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David Melendez
2026-01-14 22:41:30 +01:00
parent 0ea321b6d8
commit 1c026c7be8
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Dockerfile Normal file
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# Use official OpenJDK 17 image
FROM openjdk:17-jdk-slim
# Set working directory
WORKDIR /app
# Install Maven
RUN apt-get update && \
apt-get install -y maven && \
rm -rf /var/lib/apt/lists/*
# Copy Maven files first for better caching
COPY pom.xml .
COPY src ./src
# Build the application
RUN mvn clean package -DskipTests
# Expose port
EXPOSE 8080
# Run the application
CMD ["java", "-jar", "target/device-fingerprint-auth-1.0.0.jar"]

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docker-compose.yml Normal file
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version: '3.8'
services:
# MySQL Database
mysql:
image: mysql:8.0
container_name: auth-mysql
restart: unless-stopped
environment:
MYSQL_ROOT_PASSWORD: rootpassword123
MYSQL_DATABASE: device_fingerprint_auth
MYSQL_USER: auth_user
MYSQL_PASSWORD: auth_password123
ports:
- "23306:3306"
volumes:
- mysql_data:/var/lib/mysql
- ./src/main/resources/db/migration:/docker-entrypoint-initdb.d
networks:
- auth-network
healthcheck:
test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
timeout: 20s
retries: 10
# Spring Boot Application
app:
build: .
container_name: auth-app
restart: unless-stopped
ports:
- "2080:8080"
environment:
# Database Configuration
SPRING_DATASOURCE_URL: jdbc:mysql://mysql:3306/device_fingerprint_auth?useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true
SPRING_DATASOURCE_USERNAME: auth_user
SPRING_DATASOURCE_PASSWORD: auth_password123
# JPA Configuration
SPRING_JPA_HIBERNATE_DDL_AUTO: create-drop
SPRING_JPA_SHOW_SQL: true
SPRING_JPA_PROPERTIES_HIBERNATE_DIALECT: org.hibernate.dialect.MySQL8Dialect
# Flyway Configuration - Disabled for container environments
SPRING_FLYWAY_ENABLED: false
# Application Configuration
SPRING_PROFILES_ACTIVE: demo
APP_ENVIRONMENT: development
# JWT Configuration
APP_JWT_SECRET: your-super-secret-jwt-key-that-should-be-at-least-256-bits-long-for-security
APP_JWT_ACCESS_TOKEN_EXPIRATION: 900
APP_JWT_REFRESH_TOKEN_EXPIRATION: 2592000
# Email Configuration (Demo Mode)
APP_EMAIL_ENABLED: true
APP_EMAIL_FROM_ADDRESS: noreply@company.com
APP_EMAIL_FROM_NAME: Auth Service
# SMS Configuration (Demo Mode)
APP_SMS_ENABLED: true
APP_SMS_PROVIDER: demo
# TOTP Configuration
APP_TOTP_ISSUER: AuthService
APP_TOTP_ENABLED: true
# GeoLocation Configuration
APP_GEOLOCATION_ENABLED: true
APP_GEOLOCATION_PROVIDER: demo
# Security Configuration
APP_DEVICE_FINGERPRINT_ENABLED: true
APP_TWO_FACTOR_ENABLED: true
# Demo Configuration
APP_DEMO_MODE: true
APP_DEMO_SHOW_CODES: true
depends_on:
mysql:
condition: service_healthy
networks:
- auth-network
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:8080/actuator/health"]
interval: 30s
timeout: 10s
retries: 3
start_period: 60s
# phpMyAdmin for database management (optional)
phpmyadmin:
image: phpmyadmin/phpmyadmin
container_name: auth-phpmyadmin
restart: unless-stopped
ports:
- "2081:80"
environment:
PMA_HOST: mysql
PMA_PORT: 3306
PMA_USER: auth_user
PMA_PASSWORD: auth_password123
depends_on:
- mysql
networks:
- auth-network
volumes:
mysql_data:
driver: local
networks:
auth-network:
driver: bridge

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pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.2.0</version>
<relativePath/>
</parent>
<groupId>com.company</groupId>
<artifactId>device-fingerprint-auth</artifactId>
<version>1.0.0</version>
<packaging>jar</packaging>
<name>Device Fingerprint Authentication API</name>
<description>Enterprise-grade Java Spring Boot API for device fingerprinting and authentication</description>
<properties>
<java.version>17</java.version>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<jjwt.version>0.12.3</jjwt.version>
<springdoc.version>2.2.0</springdoc.version>
<bucket4j.version>7.6.0</bucket4j.version>
</properties>
<dependencies>
<!-- Spring Boot Starters -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- JWT Support -->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-api</artifactId>
<version>${jjwt.version}</version>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-impl</artifactId>
<version>${jjwt.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-jackson</artifactId>
<version>${jjwt.version}</version>
<scope>runtime</scope>
</dependency>
<!-- Database -->
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-core</artifactId>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-mysql</artifactId>
</dependency>
<!-- Password Hashing -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-crypto</artifactId>
</dependency>
<!-- Two-Factor Authentication -->
<dependency>
<groupId>de.taimos</groupId>
<artifactId>totp</artifactId>
<version>1.0</version>
</dependency>
<!-- Encryption/Decryption - Using built-in Java crypto -->
<!-- Removed jasypt as we implement our own AES encryption utility -->
<!-- API Documentation -->
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
<version>${springdoc.version}</version>
</dependency>
<!-- Rate Limiting -->
<dependency>
<groupId>com.github.vladimir-bukhtoyarov</groupId>
<artifactId>bucket4j-core</artifactId>
<version>${bucket4j.version}</version>
</dependency>
<!-- JSON Processing -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
</dependency>
<!-- Utilities -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>32.1.3-jre</version>
</dependency>
<!-- Testing -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.11.0</version>
<configuration>
<source>17</source>
<target>17</target>
</configuration>
</plugin>
<plugin>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-maven-plugin</artifactId>
<version>9.22.3</version>
<configuration>
<url>jdbc:mysql://localhost:3306/device_auth_db</url>
<user>${DB_USERNAME}</user>
<password>${DB_PASSWORD}</password>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>3.1.2</version>
<configuration>
<includes>
<include>**/*Test.java</include>
<include>**/*Tests.java</include>
</includes>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>dev</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<spring.profiles.active>dev</spring.profiles.active>
</properties>
</profile>
<profile>
<id>demo</id>
<properties>
<spring.profiles.active>demo</spring.profiles.active>
</properties>
</profile>
<profile>
<id>prod</id>
<properties>
<spring.profiles.active>prod</spring.profiles.active>
</properties>
</profile>
</profiles>
</project>

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src/main/java/com/company/auth/DeviceFingerprintAuthApplication.java Normal file
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/**
* Device Fingerprint Authentication Application
*
* Main Spring Boot application class for the device fingerprinting and authentication system.
* This application provides enterprise-grade API endpoints for user authentication,
* device fingerprinting, and risk-based authentication with two-factor verification.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.transaction.annotation.EnableTransactionManagement;
/**
* Main application class for Device Fingerprint Authentication API
*
* This Spring Boot application provides:
* - User authentication and authorization with JWT
* - Device fingerprinting for risk-based authentication
* - Two-factor authentication for new device registration
* - Professional demo capabilities for senior developer presentations
* - Comprehensive security monitoring and audit logging
*
* Key Features:
* - RESTful API with OpenAPI documentation
* - MySQL database with Flyway migrations
* - Rate limiting and security controls
* - Environment-specific configurations (dev/demo/prod)
* - Professional logging and monitoring
*/
@SpringBootApplication
@EnableTransactionManagement
@EnableAsync
@EnableScheduling
public class DeviceFingerprintAuthApplication {
/**
* Application entry point
*
* Starts the Spring Boot application with auto-configuration for:
* - Spring Security with JWT authentication
* - JPA/Hibernate with MySQL database
* - Flyway database migrations
* - Swagger/OpenAPI documentation
* - Rate limiting and security features
*
* @param args Command line arguments
*/
public static void main(String[] args) {
SpringApplication.run(DeviceFingerprintAuthApplication.class, args);
}
}

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src/main/java/com/company/auth/config/OpenApiConfig.java Normal file
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/**
* OpenAPI Configuration
*
* Configuration for API documentation using OpenAPI 3.0/Swagger.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.config;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.info.Info;
import io.swagger.v3.oas.models.info.Contact;
import io.swagger.v3.oas.models.info.License;
import io.swagger.v3.oas.models.servers.Server;
import io.swagger.v3.oas.models.security.SecurityScheme;
import io.swagger.v3.oas.models.security.SecurityRequirement;
import io.swagger.v3.oas.models.Components;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.List;
/**
* OpenAPI Configuration
*
* Configures API documentation with:
* - API information and metadata
* - Security schemes (JWT Bearer token)
* - Server configurations
* - Contact and license information
*/
@Configuration
public class OpenApiConfig {
@Value("${app.version:1.0.0}")
private String appVersion;
@Value("${app.name:Device Fingerprint Authentication API}")
private String appName;
@Value("${app.description:Enterprise-grade authentication service with device fingerprinting and multi-factor authentication}")
private String appDescription;
@Value("${server.port:8080}")
private String serverPort;
/**
* OpenAPI configuration bean
*
* @return OpenAPI configuration
*/
@Bean
public OpenAPI customOpenAPI() {
return new OpenAPI()
.info(createApiInfo())
.servers(createServers())
.components(createComponents())
.addSecurityItem(createSecurityRequirement());
}
/**
* Creates API information
*
* @return API info
*/
private Info createApiInfo() {
return new Info()
.title(appName)
.description(appDescription)
.version(appVersion)
.contact(createContact())
.license(createLicense());
}
/**
* Creates contact information
*
* @return Contact info
*/
private Contact createContact() {
return new Contact()
.name("David Valera Melendez")
.email("david@valera-melendez.de")
.url("https://valera-melendez.de");
}
/**
* Creates license information
*
* @return License info
*/
private License createLicense() {
return new License()
.name("MIT License")
.url("https://opensource.org/licenses/MIT");
}
/**
* Creates server configurations
*
* @return List of servers
*/
private List<Server> createServers() {
Server developmentServer = new Server()
.url("http://localhost:" + serverPort)
.description("Development Server");
Server productionServer = new Server()
.url("https://api.company.com")
.description("Production Server");
return List.of(developmentServer, productionServer);
}
/**
* Creates security components
*
* @return Components with security schemes
*/
private Components createComponents() {
SecurityScheme bearerAuth = new SecurityScheme()
.type(SecurityScheme.Type.HTTP)
.scheme("bearer")
.bearerFormat("JWT")
.description("JWT Bearer token authentication. Format: Bearer {token}");
return new Components()
.addSecuritySchemes("bearerAuth", bearerAuth);
}
/**
* Creates security requirement
*
* @return Security requirement for bearer auth
*/
private SecurityRequirement createSecurityRequirement() {
return new SecurityRequirement()
.addList("bearerAuth");
}
}

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src/main/java/com/company/auth/config/PasswordEncoderConfig.java Normal file
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/**
* Password Encoder Configuration
*
* Separate configuration for password encoder to avoid circular dependencies.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
/**
* Password Encoder Configuration
*
* Provides password encoder bean separately to avoid circular dependencies
* in Spring Security configuration.
*/
@Configuration
public class PasswordEncoderConfig {
/**
* Password encoder bean
*
* @return BCrypt password encoder with strength 12
*/
@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder(12);
}
}

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src/main/java/com/company/auth/config/SecurityConfig.java Normal file
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/**
* Security Configuration
*
* Spring Security configuration for JWT-based authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.config;
import com.company.auth.security.JwtAuthenticationEntryPoint;
import com.company.auth.security.JwtAuthenticationFilter;
import com.company.auth.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.CorsConfigurationSource;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import java.util.Arrays;
import java.util.List;
/**
* Security Configuration
*
* Configures Spring Security for:
* - JWT-based authentication
* - Stateless session management
* - CORS configuration
* - Security filters and providers
*/
@Configuration
@EnableWebSecurity
@EnableMethodSecurity(prePostEnabled = true)
public class SecurityConfig {
@Autowired
private JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint;
@Autowired
private JwtAuthenticationFilter jwtAuthenticationFilter;
@Autowired
private UserService userService;
@Autowired
private PasswordEncoder passwordEncoder;
/**
* Authentication provider bean
*
* @return DAO authentication provider
*/
@Bean
public AuthenticationProvider authenticationProvider() {
DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
authProvider.setUserDetailsService(userService);
authProvider.setPasswordEncoder(passwordEncoder);
return authProvider;
}
/**
* Authentication manager bean
*
* @param config Authentication configuration
* @return Authentication manager
* @throws Exception if configuration fails
*/
@Bean
public AuthenticationManager authenticationManager(AuthenticationConfiguration config) throws Exception {
return config.getAuthenticationManager();
}
/**
* CORS configuration source
*
* @return CORS configuration source
*/
@Bean
public CorsConfigurationSource corsConfigurationSource() {
CorsConfiguration configuration = new CorsConfiguration();
// Allow specific origins in production, * for development
configuration.setAllowedOriginPatterns(Arrays.asList(
"http://localhost:3000", // React development
"http://localhost:4200", // Angular development
"http://localhost:8080", // Local backend
"https://*.company.com", // Production domains
"https://company.com"
));
configuration.setAllowedMethods(Arrays.asList(
"GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"
));
configuration.setAllowedHeaders(Arrays.asList(
"Authorization",
"Content-Type",
"X-Requested-With",
"Accept",
"Origin",
"Access-Control-Request-Method",
"Access-Control-Request-Headers",
// Custom headers for device fingerprinting
"User-Agent",
"Accept-Language",
"Timezone",
"Screen-Resolution",
"Color-Depth",
"Hardware-Concurrency",
"Device-Memory",
"Platform",
"Cookie-Enabled",
"DNT",
"Webdriver",
"Device-Fingerprint"
));
configuration.setExposedHeaders(Arrays.asList(
"Authorization",
"Content-Disposition"
));
configuration.setAllowCredentials(true);
configuration.setMaxAge(3600L); // 1 hour preflight cache
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
source.registerCorsConfiguration("/**", configuration);
return source;
}
/**
* Security filter chain configuration
*
* @param http HTTP security configuration
* @return Security filter chain
* @throws Exception if configuration fails
*/
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
http
// Disable CSRF for stateless REST APIs
.csrf(AbstractHttpConfigurer::disable)
// Configure CORS
.cors(cors -> cors.configurationSource(corsConfigurationSource()))
// Configure authorization rules
.authorizeHttpRequests(authz -> authz
// Public endpoints
.requestMatchers(
"/api/auth/register",
"/api/auth/login",
"/api/auth/verify-device",
"/api/auth/verify-2fa",
"/api/auth/refresh",
"/api/auth/resend-device-verification",
"/api/auth/resend-2fa"
).permitAll()
// Health check and monitoring endpoints
.requestMatchers(
"/actuator/health",
"/actuator/health/**",
"/actuator/info"
).permitAll()
// API documentation endpoints
.requestMatchers(
"/v3/api-docs/**",
"/swagger-ui/**",
"/swagger-ui.html",
"/swagger-resources/**",
"/webjars/**"
).permitAll()
// Static resources
.requestMatchers(
"/favicon.ico",
"/error"
).permitAll()
// All other endpoints require authentication
.anyRequest().authenticated()
)
// Configure exception handling
.exceptionHandling(ex -> ex
.authenticationEntryPoint(jwtAuthenticationEntryPoint)
)
// Configure session management (stateless)
.sessionManagement(session -> session
.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
)
// Configure authentication provider
.authenticationProvider(authenticationProvider())
// Add JWT authentication filter
.addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
return http.build();
}
}

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src/main/java/com/company/auth/controller/AuthController.java Normal file
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/**
* Authentication Controller
*
* REST controller for authentication operations including login, registration,
* device verification, and two-factor authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.controller;
import com.company.auth.dto.request.*;
import com.company.auth.dto.response.*;
import com.company.auth.service.AuthService;
import com.company.auth.service.DeviceFingerprintService;
import com.company.auth.service.TwoFactorService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.security.SecurityRequirement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Authentication Controller
*
* Handles all authentication-related HTTP requests including:
* - User registration and login
* - Device fingerprinting and verification
* - Two-factor authentication workflows
* - Token refresh and logout operations
*/
@RestController
@RequestMapping("/api/auth")
@Tag(name = "Authentication", description = "Authentication and authorization operations")
public class AuthController {
private static final Logger logger = LoggerFactory.getLogger(AuthController.class);
@Autowired
private AuthService authService;
@Autowired
private DeviceFingerprintService deviceFingerprintService;
@Autowired
private TwoFactorService twoFactorService;
/**
* User registration endpoint
*
* @param request Registration request
* @param httpRequest HTTP request for IP extraction
* @return Authentication response
*/
@PostMapping("/register")
@Operation(summary = "Register new user", description = "Creates a new user account")
@ApiResponses(value = {
@ApiResponse(responseCode = "201", description = "User registered successfully"),
@ApiResponse(responseCode = "400", description = "Invalid registration data"),
@ApiResponse(responseCode = "409", description = "User already exists")
})
public ResponseEntity<AuthResponse> register(
@Valid @RequestBody RegisterRequest request,
HttpServletRequest httpRequest) {
logger.info("Registration attempt for email: {}", request.getEmail());
try {
String ipAddress = getClientIpAddress(httpRequest);
String userAgent = httpRequest.getHeader("User-Agent");
AuthResponse response = authService.register(request, ipAddress, userAgent);
logger.info("User registered successfully: {}", request.getEmail());
return ResponseEntity.status(HttpStatus.CREATED).body(response);
} catch (Exception e) {
logger.error("Registration failed for email: {}", request.getEmail(), e);
throw e;
}
}
/**
* User login endpoint
*
* @param request Login request
* @param httpRequest HTTP request for device fingerprinting
* @return Authentication response or device verification required
*/
@PostMapping("/login")
@Operation(summary = "User login", description = "Authenticates user and returns JWT tokens")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Login successful"),
@ApiResponse(responseCode = "202", description = "Device verification required"),
@ApiResponse(responseCode = "400", description = "Invalid credentials"),
@ApiResponse(responseCode = "401", description = "Authentication failed"),
@ApiResponse(responseCode = "423", description = "Account locked")
})
public ResponseEntity<AuthResponse> login(
@Valid @RequestBody LoginRequest request,
HttpServletRequest httpRequest) {
logger.info("Login attempt for email: {}", request.getEmail());
try {
String ipAddress = getClientIpAddress(httpRequest);
String userAgent = httpRequest.getHeader("User-Agent");
// Create device fingerprint
DeviceFingerprintRequest fingerprintRequest = createDeviceFingerprintRequest(httpRequest);
request.setFingerprint(fingerprintRequest);
AuthResponse response = authService.login(request, ipAddress, userAgent);
// Return appropriate status based on response
HttpStatus status = response.getRequiresDeviceVerification() ?
HttpStatus.ACCEPTED : HttpStatus.OK;
logger.info("Login processed for email: {}, status: {}", request.getEmail(), status);
return ResponseEntity.status(status).body(response);
} catch (Exception e) {
logger.error("Login failed for email: {}", request.getEmail(), e);
throw e;
}
}
/**
* Device verification endpoint
*
* @param request Device verification request
* @param httpRequest HTTP request for context
* @return Authentication response
*/
@PostMapping("/verify-device")
@Operation(summary = "Verify device", description = "Verifies a device using verification code")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Device verified successfully"),
@ApiResponse(responseCode = "400", description = "Invalid verification code"),
@ApiResponse(responseCode = "401", description = "Session expired")
})
public ResponseEntity<AuthResponse> verifyDevice(
@Valid @RequestBody DeviceVerificationRequest request,
HttpServletRequest httpRequest) {
logger.info("Device verification attempt for session: {}", request.getSessionToken());
try {
String ipAddress = getClientIpAddress(httpRequest);
String userAgent = httpRequest.getHeader("User-Agent");
AuthResponse response = authService.verifyDevice(request, ipAddress, userAgent);
logger.info("Device verification completed for session: {}", request.getSessionToken());
return ResponseEntity.ok(response);
} catch (Exception e) {
logger.error("Device verification failed for session: {}", request.getSessionToken(), e);
throw e;
}
}
/**
* Two-factor authentication verification endpoint
*
* @param request 2FA verification request
* @param httpRequest HTTP request for context
* @return Authentication response
*/
@PostMapping("/verify-2fa")
@Operation(summary = "Verify 2FA", description = "Verifies two-factor authentication code")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "2FA verified successfully"),
@ApiResponse(responseCode = "400", description = "Invalid 2FA code"),
@ApiResponse(responseCode = "401", description = "Session expired")
})
public ResponseEntity<AuthResponse> verifyTwoFactor(
@Valid @RequestBody TwoFactorAuthRequest request,
HttpServletRequest httpRequest) {
logger.info("2FA verification attempt for session: {}", request.getSessionToken());
try {
String ipAddress = getClientIpAddress(httpRequest);
String userAgent = httpRequest.getHeader("User-Agent");
AuthResponse response = authService.verifyTwoFactor(request, ipAddress, userAgent);
logger.info("2FA verification completed for session: {}", request.getSessionToken());
return ResponseEntity.ok(response);
} catch (Exception e) {
logger.error("2FA verification failed for session: {}", request.getSessionToken(), e);
throw e;
}
}
/**
* Token refresh endpoint
*
* @param refreshToken Refresh token
* @param httpRequest HTTP request for context
* @return New access token
*/
@PostMapping("/refresh")
@Operation(summary = "Refresh token", description = "Refreshes access token using refresh token")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Token refreshed successfully"),
@ApiResponse(responseCode = "401", description = "Invalid refresh token")
})
public ResponseEntity<AuthResponse> refreshToken(
@RequestParam("refresh_token") String refreshToken,
HttpServletRequest httpRequest) {
logger.info("Token refresh attempt");
try {
String ipAddress = getClientIpAddress(httpRequest);
AuthResponse response = authService.refreshToken(refreshToken, ipAddress);
logger.info("Token refreshed successfully");
return ResponseEntity.ok(response);
} catch (Exception e) {
logger.error("Token refresh failed", e);
throw e;
}
}
/**
* Logout endpoint
*
* @param authorization Authorization header with Bearer token
* @param httpRequest HTTP request for context
* @return Success response
*/
@PostMapping("/logout")
@Operation(summary = "User logout", description = "Logs out user and invalidates tokens")
@SecurityRequirement(name = "bearerAuth")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Logout successful"),
@ApiResponse(responseCode = "401", description = "Invalid token")
})
public ResponseEntity<String> logout(
@RequestHeader("Authorization") String authorization,
HttpServletRequest httpRequest) {
logger.info("Logout attempt");
try {
String token = extractTokenFromHeader(authorization);
String ipAddress = getClientIpAddress(httpRequest);
authService.logout(token, null, ipAddress);
logger.info("Logout successful");
return ResponseEntity.ok("Logout successful");
} catch (Exception e) {
logger.error("Logout failed", e);
throw e;
}
}
/**
* Logout from all devices endpoint
*
* @param authorization Authorization header with Bearer token
* @param httpRequest HTTP request for context
* @return Success response
*/
@PostMapping("/logout-all")
@Operation(summary = "Logout from all devices", description = "Logs out user from all devices")
@SecurityRequirement(name = "bearerAuth")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Logout from all devices successful"),
@ApiResponse(responseCode = "401", description = "Invalid token")
})
public ResponseEntity<String> logoutFromAllDevices(
@RequestHeader("Authorization") String authorization,
HttpServletRequest httpRequest) {
logger.info("Logout from all devices attempt");
try {
String token = extractTokenFromHeader(authorization);
String ipAddress = getClientIpAddress(httpRequest);
authService.logoutFromAllDevices(token, ipAddress);
logger.info("Logout from all devices successful");
return ResponseEntity.ok("Logout from all devices successful");
} catch (Exception e) {
logger.error("Logout from all devices failed", e);
throw e;
}
}
/**
* Resend device verification code endpoint
*
* @param sessionToken Session token for device verification
* @param httpRequest HTTP request for context
* @return Success response
*/
@PostMapping("/resend-device-verification")
@Operation(summary = "Resend device verification", description = "Resends device verification code")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Verification code sent"),
@ApiResponse(responseCode = "400", description = "Invalid session"),
@ApiResponse(responseCode = "429", description = "Too many requests")
})
public ResponseEntity<String> resendDeviceVerification(
@RequestParam("session_token") String sessionToken,
HttpServletRequest httpRequest) {
logger.info("Resend device verification for session: {}", sessionToken);
try {
String ipAddress = getClientIpAddress(httpRequest);
authService.resendDeviceVerification(sessionToken, ipAddress);
logger.info("Device verification code resent for session: {}", sessionToken);
return ResponseEntity.ok("Verification code sent");
} catch (Exception e) {
logger.error("Failed to resend device verification for session: {}", sessionToken, e);
throw e;
}
}
/**
* Resend 2FA code endpoint
*
* @param sessionToken Session token for 2FA
* @param httpRequest HTTP request for context
* @return Success response
*/
@PostMapping("/resend-2fa")
@Operation(summary = "Resend 2FA code", description = "Resends two-factor authentication code")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "2FA code sent"),
@ApiResponse(responseCode = "400", description = "Invalid session"),
@ApiResponse(responseCode = "429", description = "Too many requests")
})
public ResponseEntity<String> resendTwoFactorCode(
@RequestParam("session_token") String sessionToken,
HttpServletRequest httpRequest) {
logger.info("Resend 2FA code for session: {}", sessionToken);
try {
String ipAddress = getClientIpAddress(httpRequest);
authService.resendTwoFactorCode(sessionToken, ipAddress);
logger.info("2FA code resent for session: {}", sessionToken);
return ResponseEntity.ok("2FA code sent");
} catch (Exception e) {
logger.error("Failed to resend 2FA code for session: {}", sessionToken, e);
throw e;
}
}
// Private helper methods
private String getClientIpAddress(HttpServletRequest request) {
String xForwardedFor = request.getHeader("X-Forwarded-For");
if (xForwardedFor != null && !xForwardedFor.isEmpty()) {
return xForwardedFor.split(",")[0].trim();
}
String xRealIp = request.getHeader("X-Real-IP");
if (xRealIp != null && !xRealIp.isEmpty()) {
return xRealIp;
}
return request.getRemoteAddr();
}
private String extractTokenFromHeader(String authorization) {
if (authorization != null && authorization.startsWith("Bearer ")) {
return authorization.substring(7);
}
throw new IllegalArgumentException("Invalid authorization header");
}
private DeviceFingerprintRequest createDeviceFingerprintRequest(HttpServletRequest request) {
DeviceFingerprintRequest fingerprintRequest = new DeviceFingerprintRequest();
// Extract device information from headers and request
fingerprintRequest.setUserAgent(request.getHeader("User-Agent"));
fingerprintRequest.setAcceptLanguage(request.getHeader("Accept-Language"));
fingerprintRequest.setTimezone(request.getHeader("Timezone"));
fingerprintRequest.setScreenResolution(request.getHeader("Screen-Resolution"));
fingerprintRequest.setColorDepth(parseIntegerHeader(request.getHeader("Color-Depth")));
fingerprintRequest.setHardwareConcurrency(parseIntegerHeader(request.getHeader("Hardware-Concurrency")));
fingerprintRequest.setDeviceMemory(parseIntegerHeader(request.getHeader("Device-Memory")));
fingerprintRequest.setPlatform(request.getHeader("Platform"));
fingerprintRequest.setCookieEnabled(Boolean.parseBoolean(request.getHeader("Cookie-Enabled")));
fingerprintRequest.setDoNotTrack(request.getHeader("DNT"));
fingerprintRequest.setWebdriver(Boolean.parseBoolean(request.getHeader("Webdriver")));
// Additional fingerprinting data would be sent from frontend JavaScript
String fingerprintData = request.getHeader("Device-Fingerprint");
if (fingerprintData != null) {
fingerprintRequest.setAdditionalData(fingerprintData);
}
return fingerprintRequest;
}
/**
* Parse integer header value safely
*/
private Integer parseIntegerHeader(String headerValue) {
if (headerValue == null || headerValue.trim().isEmpty()) {
return null;
}
try {
return Integer.parseInt(headerValue.trim());
} catch (NumberFormatException e) {
logger.warn("Failed to parse integer header: {}", headerValue);
return null;
}
}
}

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src/main/java/com/company/auth/dto/request/ChangePasswordRequest.java Normal file
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/**
* Change Password Request
*
* Request DTO for changing user password.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;
import io.swagger.v3.oas.annotations.media.Schema;
/**
* Change Password Request DTO
*/
@Schema(description = "Password change request")
public class ChangePasswordRequest {
@Schema(description = "Current password", example = "currentPassword123!")
@NotBlank(message = "Current password is required")
private String currentPassword;
@Schema(description = "New password", example = "newPassword123!")
@NotBlank(message = "New password is required")
@Size(min = 8, max = 128, message = "Password must be between 8 and 128 characters")
@Pattern(
regexp = "^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d)(?=.*[@$!%*?&])[A-Za-z\\d@$!%*?&].*$",
message = "Password must contain at least one lowercase letter, one uppercase letter, one digit, and one special character"
)
private String newPassword;
@Schema(description = "Confirm new password", example = "newPassword123!")
@NotBlank(message = "Password confirmation is required")
private String confirmPassword;
// Constructors
public ChangePasswordRequest() {}
public ChangePasswordRequest(String currentPassword, String newPassword, String confirmPassword) {
this.currentPassword = currentPassword;
this.newPassword = newPassword;
this.confirmPassword = confirmPassword;
}
// Getters and Setters
public String getCurrentPassword() {
return currentPassword;
}
public void setCurrentPassword(String currentPassword) {
this.currentPassword = currentPassword;
}
public String getNewPassword() {
return newPassword;
}
public void setNewPassword(String newPassword) {
this.newPassword = newPassword;
}
public String getConfirmPassword() {
return confirmPassword;
}
public void setConfirmPassword(String confirmPassword) {
this.confirmPassword = confirmPassword;
}
/**
* Validates that new password and confirmation match
*
* @return true if passwords match
*/
public boolean isPasswordConfirmationValid() {
return newPassword != null && newPassword.equals(confirmPassword);
}
@Override
public String toString() {
return "ChangePasswordRequest{" +
"currentPassword='[PROTECTED]'" +
", newPassword='[PROTECTED]'" +
", confirmPassword='[PROTECTED]'" +
'}';
}
}

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src/main/java/com/company/auth/dto/request/ConfirmTotpSetupRequest.java Normal file
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/**
* Confirm TOTP Setup Request
*
* Request DTO for confirming TOTP setup.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import io.swagger.v3.oas.annotations.media.Schema;
/**
* Confirm TOTP Setup Request DTO
*/
@Schema(description = "TOTP setup confirmation request")
public class ConfirmTotpSetupRequest {
@Schema(description = "TOTP code from authenticator app", example = "123456")
@NotBlank(message = "TOTP code is required")
@Pattern(regexp = "^\\d{6}$", message = "TOTP code must be 6 digits")
private String totpCode;
// Constructors
public ConfirmTotpSetupRequest() {}
public ConfirmTotpSetupRequest(String totpCode) {
this.totpCode = totpCode;
}
// Getters and Setters
public String getTotpCode() {
return totpCode;
}
public void setTotpCode(String totpCode) {
this.totpCode = totpCode;
}
@Override
public String toString() {
return "ConfirmTotpSetupRequest{" +
"totpCode='[PROTECTED]'" +
'}';
}
}

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/**
* Delete Account Request
*
* Request DTO for deleting user account.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import io.swagger.v3.oas.annotations.media.Schema;
/**
* Delete Account Request DTO
*/
@Schema(description = "Account deletion request")
public class DeleteAccountRequest {
@Schema(description = "Current password for verification", example = "currentPassword123!")
@NotBlank(message = "Password is required")
private String password;
@Schema(description = "Confirmation phrase", example = "DELETE MY ACCOUNT")
@NotBlank(message = "Confirmation phrase is required")
@Pattern(regexp = "^DELETE MY ACCOUNT$", message = "Please type 'DELETE MY ACCOUNT' to confirm")
private String confirmationPhrase;
@Schema(description = "TOTP code for two-factor verification (if enabled)", example = "123456")
@Pattern(regexp = "^\\d{6}$", message = "TOTP code must be 6 digits")
private String totpCode;
@Schema(description = "Backup code for two-factor verification (if enabled)", example = "ABCD1234")
@Pattern(regexp = "^[A-Z0-9]{8}$", message = "Backup code must be 8 alphanumeric characters")
private String backupCode;
@Schema(description = "Reason for account deletion (optional)", example = "No longer need the service")
private String reason;
// Constructors
public DeleteAccountRequest() {}
public DeleteAccountRequest(String password, String confirmationPhrase) {
this.password = password;
this.confirmationPhrase = confirmationPhrase;
}
// Getters and Setters
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getConfirmationPhrase() {
return confirmationPhrase;
}
public void setConfirmationPhrase(String confirmationPhrase) {
this.confirmationPhrase = confirmationPhrase;
}
public String getTotpCode() {
return totpCode;
}
public void setTotpCode(String totpCode) {
this.totpCode = totpCode;
}
public String getBackupCode() {
return backupCode;
}
public void setBackupCode(String backupCode) {
this.backupCode = backupCode;
}
public String getReason() {
return reason;
}
public void setReason(String reason) {
this.reason = reason;
}
/**
* Checks if two-factor verification is provided
*
* @return true if TOTP code or backup code is provided
*/
public boolean hasTwoFactorVerification() {
return (totpCode != null && !totpCode.trim().isEmpty()) ||
(backupCode != null && !backupCode.trim().isEmpty());
}
/**
* Gets the two-factor verification code
*
* @return TOTP code or backup code
*/
public String getTwoFactorCode() {
if (totpCode != null && !totpCode.trim().isEmpty()) {
return totpCode;
}
return backupCode;
}
/**
* Gets the type of two-factor verification
*
* @return "TOTP" or "BACKUP"
*/
public String getTwoFactorType() {
if (totpCode != null && !totpCode.trim().isEmpty()) {
return "TOTP";
} else if (backupCode != null && !backupCode.trim().isEmpty()) {
return "BACKUP";
}
return null;
}
@Override
public String toString() {
return "DeleteAccountRequest{" +
"password='[PROTECTED]'" +
", confirmationPhrase='" + confirmationPhrase + '\'' +
", totpCode='[PROTECTED]'" +
", backupCode='[PROTECTED]'" +
", reason='" + reason + '\'' +
'}';
}
}

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/**
* Device Fingerprint Request DTO
*
* Data transfer object for browser fingerprint data collection.
* Contains browser characteristics used for device identification
* and risk-based authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Size;
/**
* Request DTO for browser fingerprint data
*
* Captures browser characteristics that can be collected from
* client-side JavaScript and HTTP headers to create a unique
* device identifier for security purposes.
*/
@Schema(description = "Browser fingerprint data for device identification")
public class DeviceFingerprintRequest {
/**
* User Agent string from HTTP headers
*
* Browser and operating system information that helps
* identify the client environment.
*/
@Schema(description = "Browser User Agent string",
example = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36")
@NotBlank(message = "User Agent is required")
@Size(min = 10, max = 1000, message = "User Agent must be between 10 and 1000 characters")
private String userAgent;
/**
* Accept-Language header value
*
* Browser language preferences that contribute to
* device uniqueness and user locale identification.
*/
@Schema(description = "Browser language preferences",
example = "en-US,en;q=0.9,es;q=0.8")
@NotBlank(message = "Accept Language is required")
@Size(max = 200, message = "Accept Language must not exceed 200 characters")
private String acceptLanguage;
/**
* Screen resolution
*
* Display dimensions that help identify the device type
* and contribute to fingerprint uniqueness.
*/
@Schema(description = "Screen resolution",
example = "1920x1080")
@NotBlank(message = "Screen resolution is required")
@Size(max = 20, message = "Screen resolution must not exceed 20 characters")
private String screenResolution;
/**
* Timezone information
*
* User's timezone setting that provides geographic
* and device configuration context.
*/
@Schema(description = "User timezone",
example = "America/New_York")
@NotBlank(message = "Timezone is required")
@Size(max = 50, message = "Timezone must not exceed 50 characters")
private String timezone;
/**
* Available fonts hash
*
* Optional hash of available system fonts that provides
* additional uniqueness for device identification.
*/
@Schema(description = "Hash of available fonts")
@Size(max = 255, message = "Fonts hash must not exceed 255 characters")
private String fontsHash;
/**
* Canvas fingerprint
*
* Optional HTML5 canvas rendering fingerprint that
* provides hardware and driver-specific identification.
*/
@Schema(description = "Canvas rendering fingerprint")
@Size(max = 255, message = "Canvas fingerprint must not exceed 255 characters")
private String canvasFingerprint;
/**
* WebGL renderer information
*
* Optional graphics renderer details that provide
* hardware-specific device identification.
*/
@Schema(description = "WebGL renderer information")
@Size(max = 255, message = "WebGL renderer must not exceed 255 characters")
private String webglRenderer;
/**
* Browser plugins hash
*
* Optional hash of installed browser plugins that
* contributes to device uniqueness.
*/
@Schema(description = "Hash of browser plugins")
@Size(max = 255, message = "Plugins hash must not exceed 255 characters")
private String pluginsHash;
/**
* Touch support capability
*
* Indicates whether the device supports touch input,
* helping distinguish between desktop and mobile devices.
*/
@Schema(description = "Whether device supports touch input",
example = "false")
private Boolean touchSupport = false;
/**
* Color depth of the display
*
* Display color depth that contributes to device
* hardware identification.
*/
@Schema(description = "Display color depth",
example = "24")
private Integer colorDepth;
/**
* Platform/OS information
*
* Operating system platform information for
* device type identification.
*/
@Schema(description = "Platform/OS information",
example = "MacIntel")
@NotBlank(message = "Platform is required")
@Size(max = 50, message = "Platform must not exceed 50 characters")
private String platform;
/**
* Optional device name provided by user
*
* Human-readable device name for easier device management.
*/
@Schema(description = "User-provided device name",
example = "John's MacBook Pro")
@Size(max = 100, message = "Device name must not exceed 100 characters")
private String deviceName;
/**
* Hardware concurrency (CPU cores)
*
* Number of logical CPU cores available to the browser.
*/
@Schema(description = "Number of logical CPU cores",
example = "8")
private Integer hardwareConcurrency;
/**
* Device memory in GB
*
* Approximate amount of device memory available to the browser.
*/
@Schema(description = "Device memory in GB",
example = "8")
private Integer deviceMemory;
/**
* Cookie enabled status
*
* Whether cookies are enabled in the browser.
*/
@Schema(description = "Whether cookies are enabled",
example = "true")
private Boolean cookieEnabled = true;
/**
* Do Not Track setting
*
* Browser's Do Not Track setting value.
*/
@Schema(description = "Do Not Track setting",
example = "1")
private String doNotTrack;
/**
* Webdriver detection
*
* Whether a webdriver (automation tool) is detected.
*/
@Schema(description = "Whether webdriver is detected",
example = "false")
private Boolean webdriver = false;
/**
* Additional fingerprint data
*
* Any additional fingerprinting data collected from JavaScript.
*/
@Schema(description = "Additional fingerprint data",
example = "{\"battery\": 0.85}")
@Size(max = 2000, message = "Additional data must not exceed 2000 characters")
private String additionalData;
/**
* Default constructor
*/
public DeviceFingerprintRequest() {}
/**
* Constructor with required fields
*
* @param userAgent Browser user agent
* @param acceptLanguage Language preferences
* @param screenResolution Screen dimensions
* @param timezone User timezone
* @param platform OS platform
*/
public DeviceFingerprintRequest(String userAgent, String acceptLanguage, String screenResolution,
String timezone, String platform) {
this.userAgent = userAgent;
this.acceptLanguage = acceptLanguage;
this.screenResolution = screenResolution;
this.timezone = timezone;
this.platform = platform;
}
// Getters and Setters
public String getUserAgent() {
return userAgent;
}
public void setUserAgent(String userAgent) {
this.userAgent = userAgent;
}
public String getAcceptLanguage() {
return acceptLanguage;
}
public void setAcceptLanguage(String acceptLanguage) {
this.acceptLanguage = acceptLanguage;
}
public String getScreenResolution() {
return screenResolution;
}
public void setScreenResolution(String screenResolution) {
this.screenResolution = screenResolution;
}
public String getTimezone() {
return timezone;
}
public void setTimezone(String timezone) {
this.timezone = timezone;
}
public String getFontsHash() {
return fontsHash;
}
public void setFontsHash(String fontsHash) {
this.fontsHash = fontsHash;
}
public String getCanvasFingerprint() {
return canvasFingerprint;
}
public void setCanvasFingerprint(String canvasFingerprint) {
this.canvasFingerprint = canvasFingerprint;
}
public String getWebglRenderer() {
return webglRenderer;
}
public void setWebglRenderer(String webglRenderer) {
this.webglRenderer = webglRenderer;
}
public String getPluginsHash() {
return pluginsHash;
}
public void setPluginsHash(String pluginsHash) {
this.pluginsHash = pluginsHash;
}
public Boolean getTouchSupport() {
return touchSupport;
}
public void setTouchSupport(Boolean touchSupport) {
this.touchSupport = touchSupport;
}
public Integer getColorDepth() {
return colorDepth;
}
public void setColorDepth(Integer colorDepth) {
this.colorDepth = colorDepth;
}
public String getPlatform() {
return platform;
}
public void setPlatform(String platform) {
this.platform = platform;
}
public String getDeviceName() {
return deviceName;
}
public void setDeviceName(String deviceName) {
this.deviceName = deviceName;
}
public Integer getHardwareConcurrency() {
return hardwareConcurrency;
}
public void setHardwareConcurrency(Integer hardwareConcurrency) {
this.hardwareConcurrency = hardwareConcurrency;
}
public Integer getDeviceMemory() {
return deviceMemory;
}
public void setDeviceMemory(Integer deviceMemory) {
this.deviceMemory = deviceMemory;
}
public Boolean getCookieEnabled() {
return cookieEnabled;
}
public void setCookieEnabled(Boolean cookieEnabled) {
this.cookieEnabled = cookieEnabled;
}
public String getDoNotTrack() {
return doNotTrack;
}
public void setDoNotTrack(String doNotTrack) {
this.doNotTrack = doNotTrack;
}
public Boolean getWebdriver() {
return webdriver;
}
public void setWebdriver(Boolean webdriver) {
this.webdriver = webdriver;
}
public String getAdditionalData() {
return additionalData;
}
public void setAdditionalData(String additionalData) {
this.additionalData = additionalData;
}
@Override
public String toString() {
return "DeviceFingerprintRequest{" +
"platform='" + platform + '\'' +
", screenResolution='" + screenResolution + '\'' +
", timezone='" + timezone + '\'' +
", touchSupport=" + touchSupport +
", colorDepth=" + colorDepth +
", deviceName='" + deviceName + '\'' +
'}';
}
}

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/**
* Device Verification Request DTO
*
* Data transfer object for device verification requests.
* Used when users need to verify a new or suspicious device
* through email/SMS verification codes.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.*;
/**
* Request DTO for device verification
*
* Contains verification code and device information for
* confirming device ownership and establishing trust.
*/
@Schema(description = "Device verification request data")
public class DeviceVerificationRequest {
/**
* Session token for verification
*
* Session token that was provided during login for device verification.
* Used to validate the verification request.
*/
@Schema(description = "Session token for verification")
@NotBlank(message = "Session token is required")
private String sessionToken;
/**
* Verification code
*
* 6-digit numeric code sent via email or SMS
* for device verification purposes.
*/
@Schema(description = "6-digit verification code",
example = "123456")
@NotBlank(message = "Verification code is required")
@Pattern(regexp = "^\\d{6}$", message = "Verification code must be exactly 6 digits")
private String code;
/**
* Device identifier token
*
* Unique token that identifies the device being verified.
* Generated during the initial device detection process.
*/
@Schema(description = "Device identifier token")
@NotBlank(message = "Device identifier is required")
@Size(max = 255, message = "Device identifier must not exceed 255 characters")
private String deviceId;
/**
* User's email address
*
* Email address of the user requesting device verification.
* Used for validation and security purposes.
*/
@Schema(description = "User's email address",
example = "john.doe@example.com")
@NotBlank(message = "Email is required")
@Email(message = "Please provide a valid email address")
@Size(max = 255, message = "Email must not exceed 255 characters")
private String email;
/**
* Verification method used
*
* The method through which the verification code was sent.
* Either 'email' or 'sms' for tracking purposes.
*/
@Schema(description = "Verification method used",
example = "email",
allowableValues = {"email", "sms"})
@NotBlank(message = "Verification method is required")
@Pattern(regexp = "^(email|sms)$", message = "Verification method must be 'email' or 'sms'")
private String verificationMethod;
/**
* Trust this device flag
*
* Indicates whether the user wants to mark this device
* as trusted to avoid future verification requirements.
*/
@Schema(description = "Whether to trust this device for future logins",
example = "true")
private Boolean trustDevice = false;
/**
* Device name (optional)
*
* Human-readable name for the device to help users
* identify it in their device management settings.
*/
@Schema(description = "User-friendly device name",
example = "John's iPhone")
@Size(max = 100, message = "Device name must not exceed 100 characters")
private String deviceName;
/**
* Request timestamp
*
* Timestamp when the verification request was initiated.
* Used for security and timeout validation.
*/
@Schema(description = "Verification request timestamp",
example = "1699123456789")
@NotNull(message = "Request timestamp is required")
@Min(value = 0, message = "Timestamp must be positive")
private Long timestamp;
/**
* IP address of the request
*
* IP address from which the verification request originated.
* Used for additional security validation.
*/
@Schema(description = "IP address of the verification request",
example = "192.168.1.100")
@NotBlank(message = "IP address is required")
@Size(max = 45, message = "IP address must not exceed 45 characters")
private String ipAddress;
/**
* Remember verification duration
*
* Number of days to remember this device verification.
* Default is 30 days, maximum is 365 days.
*/
@Schema(description = "Days to remember this device verification",
example = "30")
@Min(value = 1, message = "Remember duration must be at least 1 day")
@Max(value = 365, message = "Remember duration cannot exceed 365 days")
private Integer rememberForDays = 30;
/**
* Default constructor
*/
public DeviceVerificationRequest() {
this.timestamp = System.currentTimeMillis();
}
/**
* Constructor with required fields
*
* @param sessionToken Session token for verification
* @param code Verification code
* @param deviceId Device identifier
* @param email User's email
* @param verificationMethod Method used for verification
* @param ipAddress Request IP address
*/
public DeviceVerificationRequest(String sessionToken, String code, String deviceId, String email,
String verificationMethod, String ipAddress) {
this();
this.sessionToken = sessionToken;
this.code = code;
this.deviceId = deviceId;
this.email = email;
this.verificationMethod = verificationMethod;
this.ipAddress = ipAddress;
}
/**
* Checks if the verification request has expired
*
* @param maxAgeMinutes Maximum age in minutes
* @return true if expired, false otherwise
*/
public boolean isExpired(int maxAgeMinutes) {
if (timestamp == null) return true;
long maxAgeMillis = maxAgeMinutes * 60 * 1000L;
return System.currentTimeMillis() - timestamp > maxAgeMillis;
}
/**
* Clears sensitive verification code from memory
*/
public void clearSensitiveData() {
this.code = null;
}
// Getters and Setters
public String getSessionToken() {
return sessionToken;
}
public void setSessionToken(String sessionToken) {
this.sessionToken = sessionToken;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getDeviceId() {
return deviceId;
}
public void setDeviceId(String deviceId) {
this.deviceId = deviceId;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getVerificationMethod() {
return verificationMethod;
}
public void setVerificationMethod(String verificationMethod) {
this.verificationMethod = verificationMethod;
}
public Boolean getTrustDevice() {
return trustDevice;
}
public void setTrustDevice(Boolean trustDevice) {
this.trustDevice = trustDevice;
}
public String getDeviceName() {
return deviceName;
}
public void setDeviceName(String deviceName) {
this.deviceName = deviceName;
}
public Long getTimestamp() {
return timestamp;
}
public void setTimestamp(Long timestamp) {
this.timestamp = timestamp;
}
public String getIpAddress() {
return ipAddress;
}
public void setIpAddress(String ipAddress) {
this.ipAddress = ipAddress;
}
public Integer getRememberForDays() {
return rememberForDays;
}
public void setRememberForDays(Integer rememberForDays) {
this.rememberForDays = rememberForDays;
}
@Override
public String toString() {
return "DeviceVerificationRequest{" +
"deviceId='" + deviceId + '\'' +
", email='" + email + '\'' +
", verificationMethod='" + verificationMethod + '\'' +
", trustDevice=" + trustDevice +
", deviceName='" + deviceName + '\'' +
", timestamp=" + timestamp +
", ipAddress='" + ipAddress + '\'' +
", rememberForDays=" + rememberForDays +
", hasCode=" + (code != null) +
'}';
}
}

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src/main/java/com/company/auth/dto/request/DisableTwoFactorRequest.java Normal file
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/**
* Disable Two Factor Request
*
* Request DTO for disabling two-factor authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import io.swagger.v3.oas.annotations.media.Schema;
/**
* Disable Two Factor Request DTO
*/
@Schema(description = "Disable two-factor authentication request")
public class DisableTwoFactorRequest {
@Schema(description = "Current password for verification", example = "currentPassword123!")
@NotBlank(message = "Password is required")
private String password;
@Schema(description = "TOTP code or backup code for verification", example = "123456")
@NotBlank(message = "Verification code is required")
private String verificationCode;
@Schema(description = "Type of verification code", example = "TOTP", allowableValues = {"TOTP", "BACKUP"})
@Pattern(regexp = "^(TOTP|BACKUP)$", message = "Verification type must be TOTP or BACKUP")
private String verificationType = "TOTP";
// Constructors
public DisableTwoFactorRequest() {}
public DisableTwoFactorRequest(String password, String verificationCode, String verificationType) {
this.password = password;
this.verificationCode = verificationCode;
this.verificationType = verificationType;
}
// Getters and Setters
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getVerificationCode() {
return verificationCode;
}
public void setVerificationCode(String verificationCode) {
this.verificationCode = verificationCode;
}
public String getVerificationType() {
return verificationType;
}
public void setVerificationType(String verificationType) {
this.verificationType = verificationType;
}
/**
* Checks if this is a TOTP verification
*
* @return true if TOTP verification
*/
public boolean isTotpVerification() {
return "TOTP".equals(verificationType);
}
/**
* Checks if this is a backup code verification
*
* @return true if backup code verification
*/
public boolean isBackupCodeVerification() {
return "BACKUP".equals(verificationType);
}
@Override
public String toString() {
return "DisableTwoFactorRequest{" +
"password='[PROTECTED]'" +
", verificationCode='[PROTECTED]'" +
", verificationType='" + verificationType + '\'' +
'}';
}
}

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src/main/java/com/company/auth/dto/request/GenerateBackupCodesRequest.java Normal file
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/**
* Generate Backup Codes Request
*
* Request DTO for generating new backup codes.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import io.swagger.v3.oas.annotations.media.Schema;
/**
* Generate Backup Codes Request DTO
*/
@Schema(description = "Generate new backup codes request")
public class GenerateBackupCodesRequest {
@Schema(description = "Current password for verification", example = "currentPassword123!")
@NotBlank(message = "Password is required")
private String password;
@Schema(description = "TOTP code or current backup code for verification", example = "123456")
@NotBlank(message = "Verification code is required")
private String verificationCode;
@Schema(description = "Type of verification code", example = "TOTP", allowableValues = {"TOTP", "BACKUP"})
@Pattern(regexp = "^(TOTP|BACKUP)$", message = "Verification type must be TOTP or BACKUP")
private String verificationType = "TOTP";
// Constructors
public GenerateBackupCodesRequest() {}
public GenerateBackupCodesRequest(String password, String verificationCode, String verificationType) {
this.password = password;
this.verificationCode = verificationCode;
this.verificationType = verificationType;
}
// Getters and Setters
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getVerificationCode() {
return verificationCode;
}
public void setVerificationCode(String verificationCode) {
this.verificationCode = verificationCode;
}
public String getVerificationType() {
return verificationType;
}
public void setVerificationType(String verificationType) {
this.verificationType = verificationType;
}
/**
* Checks if this is a TOTP verification
*
* @return true if TOTP verification
*/
public boolean isTotpVerification() {
return "TOTP".equals(verificationType);
}
/**
* Checks if this is a backup code verification
*
* @return true if backup code verification
*/
public boolean isBackupCodeVerification() {
return "BACKUP".equals(verificationType);
}
@Override
public String toString() {
return "GenerateBackupCodesRequest{" +
"password='[PROTECTED]'" +
", verificationCode='[PROTECTED]'" +
", verificationType='" + verificationType + '\'' +
'}';
}
}

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src/main/java/com/company/auth/dto/request/LoginRequest.java Normal file
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/**
* Login Request DTO
*
* Data transfer object for user login requests.
* Contains user credentials and supports encrypted payloads
* for enhanced security during authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Size;
/**
* Request DTO for user authentication
*
* Supports both plain text and encrypted credential submission.
* The encrypted mode provides additional security for sensitive
* credential transmission from frontend applications.
*/
@Schema(description = "User login request with email and password")
public class LoginRequest {
/**
* User's email address
*
* Primary identifier for user authentication.
* Must be a valid email format and not blank.
*/
@Schema(description = "User email address", example = "john.doe@company.com")
@NotBlank(message = "Email is required")
@Email(message = "Email must be valid")
@Size(max = 255, message = "Email must not exceed 255 characters")
private String email;
/**
* User's password (may be encrypted)
*
* Password for authentication. Can be provided as plain text
* or encrypted using frontend encryption for enhanced security.
*/
@Schema(description = "User password (plain text or encrypted)", example = "SecurePassword123!")
@NotBlank(message = "Password is required")
@Size(min = 8, max = 1000, message = "Password must be between 8 and 1000 characters")
private String password;
/**
* Device fingerprint data for risk assessment
*
* Optional browser fingerprint information used for
* device trust verification and risk-based authentication.
*/
@Schema(description = "Browser fingerprint data for device verification")
private DeviceFingerprintRequest fingerprint;
/**
* Flag indicating if credentials are encrypted
*
* When true, the password field contains encrypted data that
* needs to be decrypted before authentication.
*/
@Schema(description = "Whether password is encrypted", example = "false")
private Boolean encrypted = false;
/**
* Remember device flag
*
* When true, the device will be registered as trusted after
* successful authentication (may require 2FA for new devices).
*/
@Schema(description = "Whether to remember this device", example = "true")
private Boolean rememberDevice = false;
/**
* Default constructor
*/
public LoginRequest() {}
/**
* Constructor with basic credentials
*
* @param email User email
* @param password User password
*/
public LoginRequest(String email, String password) {
this.email = email;
this.password = password;
}
/**
* Constructor with all fields
*
* @param email User email
* @param password User password
* @param fingerprint Device fingerprint
* @param encrypted Whether password is encrypted
* @param rememberDevice Whether to remember device
*/
public LoginRequest(String email, String password, DeviceFingerprintRequest fingerprint,
Boolean encrypted, Boolean rememberDevice) {
this.email = email;
this.password = password;
this.fingerprint = fingerprint;
this.encrypted = encrypted;
this.rememberDevice = rememberDevice;
}
// Getters and Setters
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public DeviceFingerprintRequest getFingerprint() {
return fingerprint;
}
public void setFingerprint(DeviceFingerprintRequest fingerprint) {
this.fingerprint = fingerprint;
}
public Boolean getEncrypted() {
return encrypted;
}
public void setEncrypted(Boolean encrypted) {
this.encrypted = encrypted;
}
public Boolean getRememberDevice() {
return rememberDevice;
}
public void setRememberDevice(Boolean rememberDevice) {
this.rememberDevice = rememberDevice;
}
/**
* Clears sensitive data from memory
*/
public void clearSensitiveData() {
this.password = null;
if (this.fingerprint != null) {
// Clear any sensitive fingerprint data if needed
}
}
@Override
public String toString() {
return "LoginRequest{" +
"email='" + email + '\'' +
", encrypted=" + encrypted +
", rememberDevice=" + rememberDevice +
", hasFingerprint=" + (fingerprint != null) +
'}';
}
}

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src/main/java/com/company/auth/dto/request/RegisterRequest.java Normal file
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/**
* User Registration Request DTO
*
* Data transfer object for user registration requests.
* Contains all necessary information for creating a new user
* account with proper validation and security measures.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.Valid;
import jakarta.validation.constraints.*;
/**
* Request DTO for user registration
*
* Handles user registration data with comprehensive validation
* and includes device fingerprinting for immediate security
* assessment during account creation.
*/
@Schema(description = "User registration request data")
public class RegisterRequest {
/**
* User's full name
*
* Complete name of the user for identification
* and personalization purposes.
*/
@Schema(description = "User's full name",
example = "John Doe")
@NotBlank(message = "Name is required")
@Size(min = 2, max = 100, message = "Name must be between 2 and 100 characters")
@Pattern(regexp = "^[a-zA-ZÀ-ÿ\\s-']+$",
message = "Name can only contain letters, spaces, hyphens, and apostrophes")
private String name;
/**
* User's email address
*
* Primary identifier and communication channel for the user.
* Must be unique across the system.
*/
@Schema(description = "User's email address",
example = "john.doe@example.com")
@NotBlank(message = "Email is required")
@Email(message = "Please provide a valid email address")
@Size(max = 255, message = "Email must not exceed 255 characters")
private String email;
/**
* User's chosen password
*
* Primary authentication credential with strength requirements.
* Will be hashed before storage.
*/
@Schema(description = "User's password (minimum 8 characters)",
example = "SecurePassword123!")
@NotBlank(message = "Password is required")
@Size(min = 8, max = 128, message = "Password must be between 8 and 128 characters")
@Pattern(regexp = "^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d)(?=.*[@$!%*?&])[A-Za-z\\d@$!%*?&]+$",
message = "Password must contain at least one lowercase letter, one uppercase letter, one digit, and one special character")
private String password;
/**
* Password confirmation
*
* Confirmation field to ensure password accuracy.
* Must match the password field exactly.
*/
@Schema(description = "Password confirmation",
example = "SecurePassword123!")
@NotBlank(message = "Password confirmation is required")
private String confirmPassword;
/**
* User's phone number (optional)
*
* Phone number for two-factor authentication
* and account recovery purposes.
*/
@Schema(description = "User's phone number for 2FA",
example = "+1234567890")
@Pattern(regexp = "^\\+?[1-9]\\d{1,14}$",
message = "Please provide a valid phone number")
private String phoneNumber;
/**
* Preferred language/locale
*
* User's language preference for application
* localization and communication.
*/
@Schema(description = "User's preferred language",
example = "en-US")
@Size(max = 10, message = "Language must not exceed 10 characters")
@Pattern(regexp = "^[a-z]{2}(-[A-Z]{2})?$",
message = "Language must be in format 'en' or 'en-US'")
private String language;
/**
* Terms of service acceptance
*
* Mandatory acceptance of terms and conditions
* for legal compliance.
*/
@Schema(description = "Terms of service acceptance",
example = "true")
@NotNull(message = "Terms of service acceptance is required")
@AssertTrue(message = "You must accept the terms of service")
private Boolean acceptTerms;
/**
* Marketing communications consent
*
* Optional consent for receiving marketing
* and promotional communications.
*/
@Schema(description = "Consent for marketing communications",
example = "false")
private Boolean acceptMarketing = false;
/**
* Device fingerprint information
*
* Browser and device characteristics for immediate
* device trust establishment during registration.
*/
@Schema(description = "Device fingerprint for security")
@Valid
private DeviceFingerprintRequest deviceFingerprint;
/**
* Registration source/referrer
*
* Optional tracking of how the user discovered
* the application for analytics purposes.
*/
@Schema(description = "Registration source or referrer",
example = "google-ads")
@Size(max = 50, message = "Source must not exceed 50 characters")
private String source;
/**
* User's timezone
*
* User's timezone for proper date/time handling
* and scheduled communications.
*/
@Schema(description = "User's timezone",
example = "America/New_York")
@Size(max = 50, message = "Timezone must not exceed 50 characters")
private String timezone;
/**
* Default constructor
*/
public RegisterRequest() {}
/**
* Constructor with required fields
*
* @param name User's full name
* @param email User's email address
* @param password User's password
* @param confirmPassword Password confirmation
* @param acceptTerms Terms acceptance
*/
public RegisterRequest(String name, String email, String password,
String confirmPassword, Boolean acceptTerms) {
this.name = name;
this.email = email;
this.password = password;
this.confirmPassword = confirmPassword;
this.acceptTerms = acceptTerms;
}
/**
* Validates that password and confirmPassword match
*
* @return true if passwords match, false otherwise
*/
public boolean isPasswordMatching() {
return password != null && password.equals(confirmPassword);
}
/**
* Clears sensitive data from memory
*
* Should be called after successful processing
* to minimize password exposure time.
*/
public void clearSensitiveData() {
this.password = null;
this.confirmPassword = null;
}
// Getters and Setters
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getConfirmPassword() {
return confirmPassword;
}
public void setConfirmPassword(String confirmPassword) {
this.confirmPassword = confirmPassword;
}
public String getPhoneNumber() {
return phoneNumber;
}
public void setPhoneNumber(String phoneNumber) {
this.phoneNumber = phoneNumber;
}
public String getLanguage() {
return language;
}
public void setLanguage(String language) {
this.language = language;
}
public Boolean getAcceptTerms() {
return acceptTerms;
}
public void setAcceptTerms(Boolean acceptTerms) {
this.acceptTerms = acceptTerms;
}
public Boolean getAcceptMarketing() {
return acceptMarketing;
}
public void setAcceptMarketing(Boolean acceptMarketing) {
this.acceptMarketing = acceptMarketing;
}
public DeviceFingerprintRequest getDeviceFingerprint() {
return deviceFingerprint;
}
public void setDeviceFingerprint(DeviceFingerprintRequest deviceFingerprint) {
this.deviceFingerprint = deviceFingerprint;
}
public String getSource() {
return source;
}
public void setSource(String source) {
this.source = source;
}
public String getTimezone() {
return timezone;
}
public void setTimezone(String timezone) {
this.timezone = timezone;
}
@Override
public String toString() {
return "RegisterRequest{" +
"name='" + name + '\'' +
", email='" + email + '\'' +
", phoneNumber='" + phoneNumber + '\'' +
", language='" + language + '\'' +
", acceptTerms=" + acceptTerms +
", acceptMarketing=" + acceptMarketing +
", source='" + source + '\'' +
", timezone='" + timezone + '\'' +
", hasDeviceFingerprint=" + (deviceFingerprint != null) +
'}';
}
}

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src/main/java/com/company/auth/dto/request/TwoFactorAuthRequest.java Normal file
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/**
* Two-Factor Authentication Request DTO
*
* Data transfer object for two-factor authentication operations.
* Handles both TOTP (Time-based One-Time Password) and
* SMS-based authentication requests.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.*;
/**
* Request DTO for two-factor authentication
*
* Contains authentication code and method information
* for completing the 2FA verification process.
*/
@Schema(description = "Two-factor authentication request data")
public class TwoFactorAuthRequest {
/**
* Two-factor authentication code
*
* 6-digit code from authenticator app (TOTP) or
* received via SMS for verification.
*/
@Schema(description = "6-digit 2FA code",
example = "123456")
@NotBlank(message = "2FA code is required")
@Pattern(regexp = "^\\d{6}$", message = "2FA code must be exactly 6 digits")
private String code;
/**
* User's email address
*
* Email address of the user attempting 2FA verification.
* Used for user identification and security validation.
*/
@Schema(description = "User's email address",
example = "john.doe@example.com")
@NotBlank(message = "Email is required")
@Email(message = "Please provide a valid email address")
@Size(max = 255, message = "Email must not exceed 255 characters")
private String email;
/**
* Two-factor authentication method
*
* The method used for 2FA: 'totp' for authenticator apps
* or 'sms' for SMS-based verification.
*/
@Schema(description = "2FA method used",
example = "totp",
allowableValues = {"totp", "sms"})
@NotBlank(message = "2FA method is required")
@Pattern(regexp = "^(totp|sms)$", message = "2FA method must be 'totp' or 'sms'")
private String method;
/**
* Remember device for 2FA
*
* Indicates whether to remember this device to skip
* 2FA verification for a specified period.
*/
@Schema(description = "Whether to remember this device for 2FA",
example = "true")
private Boolean rememberDevice = false;
/**
* Login session token
*
* Temporary session token from the initial login attempt.
* Required to link the 2FA verification to the login session.
*/
@Schema(description = "Temporary login session token")
@NotBlank(message = "Session token is required")
@Size(max = 500, message = "Session token must not exceed 500 characters")
private String sessionToken;
/**
* Request timestamp
*
* Timestamp when the 2FA request was made.
* Used for timeout and security validation.
*/
@Schema(description = "2FA request timestamp",
example = "1699123456789")
@NotNull(message = "Request timestamp is required")
@Min(value = 0, message = "Timestamp must be positive")
private Long timestamp;
/**
* IP address of the request
*
* IP address from which the 2FA verification was attempted.
* Used for additional security validation and logging.
*/
@Schema(description = "IP address of the 2FA request",
example = "192.168.1.100")
@NotBlank(message = "IP address is required")
@Size(max = 45, message = "IP address must not exceed 45 characters")
private String ipAddress;
/**
* User agent string
*
* Browser/client information for security logging
* and session validation purposes.
*/
@Schema(description = "User agent string")
@Size(max = 1000, message = "User agent must not exceed 1000 characters")
private String userAgent;
/**
* Recovery code flag
*
* Indicates if the provided code is a recovery code
* instead of a regular 2FA code.
*/
@Schema(description = "Whether the code is a recovery code",
example = "false")
private Boolean isRecoveryCode = false;
/**
* Trust duration in days
*
* Number of days to trust this device for 2FA.
* Only applicable when rememberDevice is true.
*/
@Schema(description = "Days to trust this device for 2FA",
example = "30")
@Min(value = 1, message = "Trust duration must be at least 1 day")
@Max(value = 90, message = "Trust duration cannot exceed 90 days")
private Integer trustDurationDays = 30;
/**
* Default constructor
*/
public TwoFactorAuthRequest() {
this.timestamp = System.currentTimeMillis();
}
/**
* Constructor with required fields
*
* @param code 2FA verification code
* @param email User's email address
* @param method 2FA method used
* @param sessionToken Login session token
* @param ipAddress Request IP address
*/
public TwoFactorAuthRequest(String code, String email, String method,
String sessionToken, String ipAddress) {
this();
this.code = code;
this.email = email;
this.method = method;
this.sessionToken = sessionToken;
this.ipAddress = ipAddress;
}
/**
* Checks if the 2FA request has expired
*
* @param maxAgeMinutes Maximum age in minutes
* @return true if expired, false otherwise
*/
public boolean isExpired(int maxAgeMinutes) {
if (timestamp == null) return true;
long maxAgeMillis = maxAgeMinutes * 60 * 1000L;
return System.currentTimeMillis() - timestamp > maxAgeMillis;
}
/**
* Validates that the code format matches the method
*
* @return true if code format is valid for the method
*/
public boolean isCodeFormatValidForMethod() {
if (code == null || method == null) return false;
if (isRecoveryCode) {
// Recovery codes are typically 8-10 characters
return code.matches("^[A-Za-z0-9]{8,10}$");
}
// Regular 2FA codes are 6 digits
return code.matches("^\\d{6}$");
}
/**
* Clears sensitive data from memory
*/
public void clearSensitiveData() {
this.code = null;
this.sessionToken = null;
}
// Getters and Setters
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getMethod() {
return method;
}
public void setMethod(String method) {
this.method = method;
}
public Boolean getRememberDevice() {
return rememberDevice;
}
public void setRememberDevice(Boolean rememberDevice) {
this.rememberDevice = rememberDevice;
}
public String getSessionToken() {
return sessionToken;
}
public void setSessionToken(String sessionToken) {
this.sessionToken = sessionToken;
}
public Long getTimestamp() {
return timestamp;
}
public void setTimestamp(Long timestamp) {
this.timestamp = timestamp;
}
public String getIpAddress() {
return ipAddress;
}
public void setIpAddress(String ipAddress) {
this.ipAddress = ipAddress;
}
public String getUserAgent() {
return userAgent;
}
public void setUserAgent(String userAgent) {
this.userAgent = userAgent;
}
public Boolean getIsRecoveryCode() {
return isRecoveryCode;
}
public void setIsRecoveryCode(Boolean isRecoveryCode) {
this.isRecoveryCode = isRecoveryCode;
}
public Integer getTrustDurationDays() {
return trustDurationDays;
}
public void setTrustDurationDays(Integer trustDurationDays) {
this.trustDurationDays = trustDurationDays;
}
@Override
public String toString() {
return "TwoFactorAuthRequest{" +
"email='" + email + '\'' +
", method='" + method + '\'' +
", rememberDevice=" + rememberDevice +
", timestamp=" + timestamp +
", ipAddress='" + ipAddress + '\'' +
", isRecoveryCode=" + isRecoveryCode +
", trustDurationDays=" + trustDurationDays +
", hasCode=" + (code != null) +
", hasSessionToken=" + (sessionToken != null) +
'}';
}
}

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/**
* Update Profile Request
*
* Request DTO for updating user profile information.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.request;
import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;
import io.swagger.v3.oas.annotations.media.Schema;
/**
* Update Profile Request DTO
*/
@Schema(description = "User profile update request")
public class UpdateProfileRequest {
@Schema(description = "User's full name", example = "John Doe")
@Size(min = 2, max = 100, message = "Name must be between 2 and 100 characters")
private String name;
@Schema(description = "User's email address", example = "john.doe@example.com")
@Email(message = "Please provide a valid email address")
@Size(max = 255, message = "Email must not exceed 255 characters")
private String email;
@Schema(description = "User's phone number in international format", example = "+1234567890")
@Pattern(regexp = "^\\+[1-9]\\d{1,14}$", message = "Please provide a valid phone number in international format")
private String phoneNumber;
@Schema(description = "User's preferred timezone", example = "America/New_York")
@Size(max = 50, message = "Timezone must not exceed 50 characters")
private String timezone;
@Schema(description = "User's preferred language", example = "en")
@Pattern(regexp = "^[a-z]{2}(-[A-Z]{2})?$", message = "Please provide a valid language code")
private String language;
// Constructors
public UpdateProfileRequest() {}
public UpdateProfileRequest(String name, String email, String phoneNumber, String timezone, String language) {
this.name = name;
this.email = email;
this.phoneNumber = phoneNumber;
this.timezone = timezone;
this.language = language;
}
// Getters and Setters
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPhoneNumber() {
return phoneNumber;
}
public void setPhoneNumber(String phoneNumber) {
this.phoneNumber = phoneNumber;
}
public String getTimezone() {
return timezone;
}
public void setTimezone(String timezone) {
this.timezone = timezone;
}
public String getLanguage() {
return language;
}
public void setLanguage(String language) {
this.language = language;
}
@Override
public String toString() {
return "UpdateProfileRequest{" +
"name='" + name + '\'' +
", email='" + email + '\'' +
", phoneNumber='" + phoneNumber + '\'' +
", timezone='" + timezone + '\'' +
", language='" + language + '\'' +
'}';
}
}

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package com.company.auth.dto.response;
import io.swagger.v3.oas.annotations.media.Schema;
import com.fasterxml.jackson.annotation.JsonInclude;
@Schema(description = "Generic API response wrapper")
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ApiResponse<T> {
@Schema(description = "Response status")
private String status;
@Schema(description = "Response message")
private String message;
@Schema(description = "Response data")
private T data;
@Schema(description = "Error details")
private String error;
public ApiResponse() {}
public ApiResponse(String status, String message) {
this.status = status;
this.message = message;
}
public ApiResponse(String status, String message, T data) {
this.status = status;
this.message = message;
this.data = data;
}
// Static factory methods
public static <T> ApiResponse<T> success(T data) {
return new ApiResponse<>("success", "Operation completed successfully", data);
}
public static <T> ApiResponse<T> success(String message, T data) {
return new ApiResponse<>("success", message, data);
}
public static <T> ApiResponse<T> error(String message) {
ApiResponse<T> response = new ApiResponse<>("error", message);
response.setError(message);
return response;
}
public static <T> ApiResponse<T> error(String message, String error) {
ApiResponse<T> response = new ApiResponse<>("error", message);
response.setError(error);
return response;
}
// Getters and Setters
public String getStatus() { return status; }
public void setStatus(String status) { this.status = status; }
public String getMessage() { return message; }
public void setMessage(String message) { this.message = message; }
public T getData() { return data; }
public void setData(T data) { this.data = data; }
public String getError() { return error; }
public void setError(String error) { this.error = error; }
}

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/**
* Authentication Response DTO
*
* Data transfer object for authentication responses.
* Contains authentication tokens, user information,
* and security status after successful login.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.response;
import io.swagger.v3.oas.annotations.media.Schema;
import com.fasterxml.jackson.annotation.JsonInclude;
import java.time.LocalDateTime;
/**
* Response DTO for authentication operations
*
* Provides authentication tokens, user details, and security
* information after successful login or registration.
*/
@Schema(description = "Authentication response data")
@JsonInclude(JsonInclude.Include.NON_NULL)
public class AuthResponse {
/**
* JWT access token
*
* Short-lived token for API authentication.
* Should be included in Authorization header.
*/
@Schema(description = "JWT access token for API authentication")
private String accessToken;
/**
* JWT refresh token
*
* Long-lived token for obtaining new access tokens.
* Should be stored securely on the client.
*/
@Schema(description = "JWT refresh token for token renewal")
private String refreshToken;
/**
* Token type
*
* Type of the access token, typically "Bearer".
*/
@Schema(description = "Token type",
example = "Bearer")
private String tokenType = "Bearer";
/**
* Token expiration time
*
* Timestamp when the access token expires.
* Client should refresh before this time.
*/
@Schema(description = "Access token expiration time")
private LocalDateTime expiresAt;
/**
* User information
*
* Basic user profile information for the
* authenticated user.
*/
@Schema(description = "Authenticated user information")
private UserResponse user;
/**
* Two-factor authentication required
*
* Indicates if 2FA verification is required
* to complete the authentication process.
*/
@Schema(description = "Whether 2FA verification is required",
example = "false")
private Boolean requiresTwoFactor = false;
/**
* Device verification required
*
* Indicates if device verification is required
* for this login attempt.
*/
@Schema(description = "Whether device verification is required",
example = "false")
private Boolean requiresDeviceVerification = false;
/**
* Session token for multi-step authentication
*
* Temporary token for completing multi-step
* authentication processes (2FA, device verification).
*/
@Schema(description = "Temporary session token for multi-step auth")
private String sessionToken;
/**
* Available 2FA methods
*
* List of 2FA methods available to the user
* when 2FA is required.
*/
@Schema(description = "Available 2FA methods",
example = "[\"totp\", \"sms\"]")
private String[] availableTwoFactorMethods;
/**
* Device trust status
*
* Indicates the trust level of the current device.
*/
@Schema(description = "Current device trust status",
example = "trusted")
private String deviceTrustStatus;
/**
* Login timestamp
*
* Timestamp when the authentication occurred.
*/
@Schema(description = "Login timestamp")
private LocalDateTime loginAt;
/**
* IP address of the login
*
* IP address from which the authentication
* was performed.
*/
@Schema(description = "IP address of the login",
example = "192.168.1.100")
private String ipAddress;
/**
* New device detected flag
*
* Indicates if this login was from a new/unknown device.
*/
@Schema(description = "Whether this is a new device",
example = "false")
private Boolean isNewDevice = false;
/**
* Security alerts count
*
* Number of pending security alerts for the user.
*/
@Schema(description = "Number of pending security alerts",
example = "0")
private Integer securityAlertsCount = 0;
/**
* Last login information
*
* Information about the user's previous login
* for security awareness.
*/
@Schema(description = "Previous login information")
private LastLoginInfo lastLogin;
/**
* Default constructor
*/
public AuthResponse() {
this.loginAt = LocalDateTime.now();
}
/**
* Constructor for successful authentication
*
* @param accessToken JWT access token
* @param refreshToken JWT refresh token
* @param expiresAt Token expiration time
* @param user User information
*/
public AuthResponse(String accessToken, String refreshToken,
LocalDateTime expiresAt, UserResponse user) {
this();
this.accessToken = accessToken;
this.refreshToken = refreshToken;
this.expiresAt = expiresAt;
this.user = user;
}
/**
* Constructor for multi-step authentication
*
* @param sessionToken Temporary session token
* @param requiresTwoFactor Whether 2FA is required
* @param requiresDeviceVerification Whether device verification is required
*/
public AuthResponse(String sessionToken, Boolean requiresTwoFactor,
Boolean requiresDeviceVerification) {
this();
this.sessionToken = sessionToken;
this.requiresTwoFactor = requiresTwoFactor;
this.requiresDeviceVerification = requiresDeviceVerification;
}
/**
* Creates a successful authentication response
*
* @param accessToken JWT access token
* @param refreshToken JWT refresh token
* @param expiresAt Token expiration
* @param user User information
* @return AuthResponse instance
*/
public static AuthResponse success(String accessToken, String refreshToken,
LocalDateTime expiresAt, UserResponse user) {
return new AuthResponse(accessToken, refreshToken, expiresAt, user);
}
/**
* Creates a response requiring 2FA
*
* @param sessionToken Temporary session token
* @param availableMethods Available 2FA methods
* @return AuthResponse instance
*/
public static AuthResponse requireTwoFactor(String sessionToken, String[] availableMethods) {
AuthResponse response = new AuthResponse(sessionToken, true, false);
response.setAvailableTwoFactorMethods(availableMethods);
return response;
}
/**
* Creates a response requiring device verification
*
* @param sessionToken Temporary session token
* @return AuthResponse instance
*/
public static AuthResponse requireDeviceVerification(String sessionToken) {
return new AuthResponse(sessionToken, false, true);
}
/**
* Checks if authentication is complete
*
* @return true if user is fully authenticated
*/
public boolean isAuthenticationComplete() {
return accessToken != null && !requiresTwoFactor && !requiresDeviceVerification;
}
/**
* Checks if additional verification is needed
*
* @return true if more steps are required
*/
public boolean requiresAdditionalVerification() {
return requiresTwoFactor || requiresDeviceVerification;
}
// Getters and Setters
public String getAccessToken() {
return accessToken;
}
public void setAccessToken(String accessToken) {
this.accessToken = accessToken;
}
public String getRefreshToken() {
return refreshToken;
}
public void setRefreshToken(String refreshToken) {
this.refreshToken = refreshToken;
}
public String getTokenType() {
return tokenType;
}
public void setTokenType(String tokenType) {
this.tokenType = tokenType;
}
public LocalDateTime getExpiresAt() {
return expiresAt;
}
public void setExpiresAt(LocalDateTime expiresAt) {
this.expiresAt = expiresAt;
}
public UserResponse getUser() {
return user;
}
public void setUser(UserResponse user) {
this.user = user;
}
public Boolean getRequiresTwoFactor() {
return requiresTwoFactor;
}
public void setRequiresTwoFactor(Boolean requiresTwoFactor) {
this.requiresTwoFactor = requiresTwoFactor;
}
public Boolean getRequiresDeviceVerification() {
return requiresDeviceVerification;
}
public void setRequiresDeviceVerification(Boolean requiresDeviceVerification) {
this.requiresDeviceVerification = requiresDeviceVerification;
}
public String getSessionToken() {
return sessionToken;
}
public void setSessionToken(String sessionToken) {
this.sessionToken = sessionToken;
}
public String[] getAvailableTwoFactorMethods() {
return availableTwoFactorMethods;
}
public void setAvailableTwoFactorMethods(String[] availableTwoFactorMethods) {
this.availableTwoFactorMethods = availableTwoFactorMethods;
}
public String getDeviceTrustStatus() {
return deviceTrustStatus;
}
public void setDeviceTrustStatus(String deviceTrustStatus) {
this.deviceTrustStatus = deviceTrustStatus;
}
public LocalDateTime getLoginAt() {
return loginAt;
}
public void setLoginAt(LocalDateTime loginAt) {
this.loginAt = loginAt;
}
public String getIpAddress() {
return ipAddress;
}
public void setIpAddress(String ipAddress) {
this.ipAddress = ipAddress;
}
public Boolean getIsNewDevice() {
return isNewDevice;
}
public void setIsNewDevice(Boolean isNewDevice) {
this.isNewDevice = isNewDevice;
}
public Integer getSecurityAlertsCount() {
return securityAlertsCount;
}
public void setSecurityAlertsCount(Integer securityAlertsCount) {
this.securityAlertsCount = securityAlertsCount;
}
public LastLoginInfo getLastLogin() {
return lastLogin;
}
public void setLastLogin(LastLoginInfo lastLogin) {
this.lastLogin = lastLogin;
}
/**
* Last login information nested class
*/
@Schema(description = "Previous login information")
public static class LastLoginInfo {
@Schema(description = "Previous login timestamp")
private LocalDateTime timestamp;
@Schema(description = "Previous login IP address")
private String ipAddress;
@Schema(description = "Previous login location")
private String location;
@Schema(description = "Previous login device")
private String device;
// Constructors
public LastLoginInfo() {}
public LastLoginInfo(LocalDateTime timestamp, String ipAddress, String location, String device) {
this.timestamp = timestamp;
this.ipAddress = ipAddress;
this.location = location;
this.device = device;
}
// Getters and Setters
public LocalDateTime getTimestamp() { return timestamp; }
public void setTimestamp(LocalDateTime timestamp) { this.timestamp = timestamp; }
public String getIpAddress() { return ipAddress; }
public void setIpAddress(String ipAddress) { this.ipAddress = ipAddress; }
public String getLocation() { return location; }
public void setLocation(String location) { this.location = location; }
public String getDevice() { return device; }
public void setDevice(String device) { this.device = device; }
}
}

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/**
* Device Response DTO
*
* Data transfer object for trusted device information responses.
* Contains device details for client device management interfaces.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.response;
import io.swagger.v3.oas.annotations.media.Schema;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.company.auth.entity.TrustedDevice;
import java.time.LocalDateTime;
/**
* Response DTO for device information
*
* Provides device data for management interfaces,
* excluding sensitive fingerprint details.
*/
@Schema(description = "Trusted device information response")
@JsonInclude(JsonInclude.Include.NON_NULL)
public class DeviceResponse {
/**
* Device unique identifier
*/
@Schema(description = "Device unique identifier",
example = "123e4567-e89b-12d3-a456-426614174000")
private String id;
/**
* User-friendly device name
*/
@Schema(description = "User-friendly device name",
example = "John's MacBook Pro")
private String deviceName;
/**
* Device type classification
*/
@Schema(description = "Device type",
example = "desktop")
private String deviceType;
/**
* Operating system information
*/
@Schema(description = "Operating system",
example = "macOS 14.1")
private String operatingSystem;
/**
* Browser information
*/
@Schema(description = "Browser information",
example = "Chrome 118.0.0.0")
private String browser;
/**
* Device location information
*/
@Schema(description = "Device location",
example = "New York, NY, USA")
private String location;
/**
* Last IP address used
*/
@Schema(description = "Last known IP address",
example = "192.168.1.100")
private String lastIpAddress;
/**
* Device trust status
*/
@Schema(description = "Device trust status",
example = "TRUSTED")
private String trustStatus;
/**
* Device trust level (0-100)
*/
@Schema(description = "Device trust level",
example = "95")
private Integer trustLevel;
/**
* Whether device is currently active
*/
@Schema(description = "Whether device is currently active",
example = "true")
private Boolean isActive;
/**
* Whether this is the current device
*/
@Schema(description = "Whether this is the current device",
example = "false")
private Boolean isCurrent;
/**
* When device was first trusted
*/
@Schema(description = "When device was first trusted")
private LocalDateTime trustedAt;
/**
* Last time device was used
*/
@Schema(description = "Last activity timestamp")
private LocalDateTime lastSeenAt;
/**
* When device trust expires
*/
@Schema(description = "Device trust expiration")
private LocalDateTime expiresAt;
/**
* Number of successful logins
*/
@Schema(description = "Number of successful logins",
example = "42")
private Integer loginCount;
/**
* Number of failed login attempts
*/
@Schema(description = "Number of failed attempts",
example = "0")
private Integer failedAttempts;
/**
* Security risk assessment
*/
@Schema(description = "Security risk level",
example = "LOW")
private String riskLevel;
/**
* Device creation timestamp
*/
@Schema(description = "Device registration timestamp")
private LocalDateTime createdAt;
/**
* Last update timestamp
*/
@Schema(description = "Last update timestamp")
private LocalDateTime updatedAt;
/**
* Default constructor
*/
public DeviceResponse() {}
/**
* Constructor with basic device information
*
* @param id Device ID
* @param deviceName Device name
* @param deviceType Device type
* @param trustStatus Trust status
* @param isActive Active status
*/
public DeviceResponse(String id, String deviceName, String deviceType,
String trustStatus, Boolean isActive) {
this.id = id;
this.deviceName = deviceName;
this.deviceType = deviceType;
this.trustStatus = trustStatus;
this.isActive = isActive;
}
/**
* Creates DeviceResponse from TrustedDevice entity
*
* @param device TrustedDevice entity
* @return DeviceResponse instance
*/
public static DeviceResponse fromEntity(TrustedDevice device) {
if (device == null) return null;
DeviceResponse response = new DeviceResponse();
response.setId(device.getId().toString());
response.setDeviceName(device.getDeviceName());
response.setDeviceType(device.getDeviceType());
response.setOperatingSystem(device.getOperatingSystem());
response.setBrowser(device.getBrowser());
response.setLocation(device.getLocation());
response.setLastIpAddress(device.getLastIpAddress());
response.setTrustStatus(device.getTrustStatus());
response.setTrustLevel(device.getTrustLevel());
response.setIsActive(device.getIsActive());
response.setTrustedAt(device.getTrustedAt());
response.setLastSeenAt(device.getLastSeenAt());
response.setExpiresAt(device.getExpiresAt());
response.setLoginCount(device.getLoginCount());
response.setFailedAttempts(device.getFailedAttempts());
response.setRiskLevel(device.getRiskLevel().name());
response.setCreatedAt(device.getCreatedAt());
response.setUpdatedAt(device.getUpdatedAt());
return response;
}
/**
* Creates a summary DeviceResponse with minimal information
*
* @param device TrustedDevice entity
* @return Summary DeviceResponse instance
*/
public static DeviceResponse summary(TrustedDevice device) {
if (device == null) return null;
DeviceResponse response = new DeviceResponse();
response.setId(device.getId().toString());
response.setDeviceName(device.getDeviceName());
response.setDeviceType(device.getDeviceType());
response.setBrowser(device.getBrowser());
response.setLocation(device.getLocation());
response.setTrustStatus(device.getTrustStatus());
response.setIsActive(device.getIsActive());
response.setLastSeenAt(device.getLastSeenAt());
return response;
}
/**
* Checks if device is trusted
*
* @return true if device is trusted
*/
public boolean isTrusted() {
return "TRUSTED".equals(trustStatus);
}
/**
* Checks if device trust is expired
*
* @return true if device trust has expired
*/
public boolean isExpired() {
return expiresAt != null && LocalDateTime.now().isAfter(expiresAt);
}
/**
* Checks if device has high trust level
*
* @return true if trust level is >= 80
*/
public boolean hasHighTrust() {
return trustLevel != null && trustLevel >= 80;
}
/**
* Checks if device has security concerns
*
* @return true if risk level is HIGH
*/
public boolean hasSecurityConcerns() {
return "HIGH".equals(riskLevel);
}
/**
* Gets days until expiration
*
* @return days until device trust expires, null if no expiration
*/
public Long getDaysUntilExpiration() {
if (expiresAt == null) return null;
return java.time.temporal.ChronoUnit.DAYS.between(LocalDateTime.now(), expiresAt);
}
// Getters and Setters
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getDeviceName() {
return deviceName;
}
public void setDeviceName(String deviceName) {
this.deviceName = deviceName;
}
public String getDeviceType() {
return deviceType;
}
public void setDeviceType(String deviceType) {
this.deviceType = deviceType;
}
public String getOperatingSystem() {
return operatingSystem;
}
public void setOperatingSystem(String operatingSystem) {
this.operatingSystem = operatingSystem;
}
public String getBrowser() {
return browser;
}
public void setBrowser(String browser) {
this.browser = browser;
}
public String getLocation() {
return location;
}
public void setLocation(String location) {
this.location = location;
}
public String getLastIpAddress() {
return lastIpAddress;
}
public void setLastIpAddress(String lastIpAddress) {
this.lastIpAddress = lastIpAddress;
}
public String getTrustStatus() {
return trustStatus;
}
public void setTrustStatus(String trustStatus) {
this.trustStatus = trustStatus;
}
public Integer getTrustLevel() {
return trustLevel;
}
public void setTrustLevel(Integer trustLevel) {
this.trustLevel = trustLevel;
}
public Boolean getIsActive() {
return isActive;
}
public void setIsActive(Boolean isActive) {
this.isActive = isActive;
}
public Boolean getIsCurrent() {
return isCurrent;
}
public void setIsCurrent(Boolean isCurrent) {
this.isCurrent = isCurrent;
}
public LocalDateTime getTrustedAt() {
return trustedAt;
}
public void setTrustedAt(LocalDateTime trustedAt) {
this.trustedAt = trustedAt;
}
public LocalDateTime getLastSeenAt() {
return lastSeenAt;
}
public void setLastSeenAt(LocalDateTime lastSeenAt) {
this.lastSeenAt = lastSeenAt;
}
public LocalDateTime getExpiresAt() {
return expiresAt;
}
public void setExpiresAt(LocalDateTime expiresAt) {
this.expiresAt = expiresAt;
}
public Integer getLoginCount() {
return loginCount;
}
public void setLoginCount(Integer loginCount) {
this.loginCount = loginCount;
}
public Integer getFailedAttempts() {
return failedAttempts;
}
public void setFailedAttempts(Integer failedAttempts) {
this.failedAttempts = failedAttempts;
}
public String getRiskLevel() {
return riskLevel;
}
public void setRiskLevel(String riskLevel) {
this.riskLevel = riskLevel;
}
public LocalDateTime getCreatedAt() {
return createdAt;
}
public void setCreatedAt(LocalDateTime createdAt) {
this.createdAt = createdAt;
}
public LocalDateTime getUpdatedAt() {
return updatedAt;
}
public void setUpdatedAt(LocalDateTime updatedAt) {
this.updatedAt = updatedAt;
}
@Override
public String toString() {
return "DeviceResponse{" +
"id='" + id + '\'' +
", deviceName='" + deviceName + '\'' +
", deviceType='" + deviceType + '\'' +
", trustStatus='" + trustStatus + '\'' +
", isActive=" + isActive +
", trustLevel=" + trustLevel +
", riskLevel='" + riskLevel + '\'' +
", lastSeenAt=" + lastSeenAt +
'}';
}
}

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package com.company.auth.dto.response;
import io.swagger.v3.oas.annotations.media.Schema;
import com.fasterxml.jackson.annotation.JsonInclude;
import java.time.LocalDateTime;
@Schema(description = "Security status information response")
@JsonInclude(JsonInclude.Include.NON_NULL)
public class SecurityStatusResponse {
@Schema(description = "Overall security score (0-100)")
private Integer securityScore;
@Schema(description = "Whether 2FA is enabled")
private Boolean twoFactorEnabled;
@Schema(description = "Whether email is verified")
private Boolean emailVerified;
@Schema(description = "Whether phone is verified")
private Boolean phoneVerified;
@Schema(description = "Number of trusted devices")
private Integer trustedDevicesCount;
@Schema(description = "Number of active devices")
private Integer activeDevicesCount;
@Schema(description = "Last password change timestamp")
private LocalDateTime passwordChangedAt;
@Schema(description = "Last security update timestamp")
private LocalDateTime lastSecurityUpdate;
@Schema(description = "Account status")
private String accountStatus;
@Schema(description = "Risk level assessment")
private String riskLevel;
public SecurityStatusResponse() {}
// Getters and Setters
public Integer getSecurityScore() { return securityScore; }
public void setSecurityScore(Integer securityScore) { this.securityScore = securityScore; }
public Boolean getTwoFactorEnabled() { return twoFactorEnabled; }
public void setTwoFactorEnabled(Boolean twoFactorEnabled) { this.twoFactorEnabled = twoFactorEnabled; }
public Boolean getEmailVerified() { return emailVerified; }
public void setEmailVerified(Boolean emailVerified) { this.emailVerified = emailVerified; }
public Boolean getPhoneVerified() { return phoneVerified; }
public void setPhoneVerified(Boolean phoneVerified) { this.phoneVerified = phoneVerified; }
public Integer getTrustedDevicesCount() { return trustedDevicesCount; }
public void setTrustedDevicesCount(Integer trustedDevicesCount) { this.trustedDevicesCount = trustedDevicesCount; }
public Integer getActiveDevicesCount() { return activeDevicesCount; }
public void setActiveDevicesCount(Integer activeDevicesCount) { this.activeDevicesCount = activeDevicesCount; }
public LocalDateTime getPasswordChangedAt() { return passwordChangedAt; }
public void setPasswordChangedAt(LocalDateTime passwordChangedAt) { this.passwordChangedAt = passwordChangedAt; }
public LocalDateTime getLastSecurityUpdate() { return lastSecurityUpdate; }
public void setLastSecurityUpdate(LocalDateTime lastSecurityUpdate) { this.lastSecurityUpdate = lastSecurityUpdate; }
public String getAccountStatus() { return accountStatus; }
public void setAccountStatus(String accountStatus) { this.accountStatus = accountStatus; }
public String getRiskLevel() { return riskLevel; }
public void setRiskLevel(String riskLevel) { this.riskLevel = riskLevel; }
}

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src/main/java/com/company/auth/dto/response/UserProfileResponse.java Normal file
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package com.company.auth.dto.response;
import io.swagger.v3.oas.annotations.media.Schema;
import com.fasterxml.jackson.annotation.JsonInclude;
import java.time.LocalDateTime;
@Schema(description = "User profile information response")
@JsonInclude(JsonInclude.Include.NON_NULL)
public class UserProfileResponse {
@Schema(description = "User's unique identifier")
private String id;
@Schema(description = "User's full name")
private String name;
@Schema(description = "User's email address")
private String email;
@Schema(description = "User's phone number")
private String phoneNumber;
@Schema(description = "User's preferred language")
private String language;
@Schema(description = "User's timezone")
private String timezone;
@Schema(description = "Whether email is verified")
private Boolean emailVerified;
@Schema(description = "Whether phone is verified")
private Boolean phoneVerified;
@Schema(description = "Whether 2FA is enabled")
private Boolean twoFactorEnabled;
@Schema(description = "Profile picture URL")
private String avatarUrl;
@Schema(description = "Marketing email preference")
private Boolean marketingOptIn;
@Schema(description = "Last profile update timestamp")
private LocalDateTime updatedAt;
public UserProfileResponse() {}
// Getters and Setters
public String getId() { return id; }
public void setId(String id) { this.id = id; }
public String getName() { return name; }
public void setName(String name) { this.name = name; }
public String getEmail() { return email; }
public void setEmail(String email) { this.email = email; }
public String getPhoneNumber() { return phoneNumber; }
public void setPhoneNumber(String phoneNumber) { this.phoneNumber = phoneNumber; }
public String getLanguage() { return language; }
public void setLanguage(String language) { this.language = language; }
public String getTimezone() { return timezone; }
public void setTimezone(String timezone) { this.timezone = timezone; }
public Boolean getEmailVerified() { return emailVerified; }
public void setEmailVerified(Boolean emailVerified) { this.emailVerified = emailVerified; }
public Boolean getPhoneVerified() { return phoneVerified; }
public void setPhoneVerified(Boolean phoneVerified) { this.phoneVerified = phoneVerified; }
public Boolean getTwoFactorEnabled() { return twoFactorEnabled; }
public void setTwoFactorEnabled(Boolean twoFactorEnabled) { this.twoFactorEnabled = twoFactorEnabled; }
public String getAvatarUrl() { return avatarUrl; }
public void setAvatarUrl(String avatarUrl) { this.avatarUrl = avatarUrl; }
public Boolean getMarketingOptIn() { return marketingOptIn; }
public void setMarketingOptIn(Boolean marketingOptIn) { this.marketingOptIn = marketingOptIn; }
public LocalDateTime getUpdatedAt() { return updatedAt; }
public void setUpdatedAt(LocalDateTime updatedAt) { this.updatedAt = updatedAt; }
}

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src/main/java/com/company/auth/dto/response/UserResponse.java Normal file
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/**
* User Response DTO
*
* Data transfer object for user information responses.
* Contains safe user data for client consumption,
* excluding sensitive information like passwords.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.dto.response;
import io.swagger.v3.oas.annotations.media.Schema;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.company.auth.entity.User;
import java.time.LocalDateTime;
/**
* Response DTO for user information
*
* Provides safe user data for API responses,
* excluding sensitive fields like passwords and tokens.
*/
@Schema(description = "User information response data")
@JsonInclude(JsonInclude.Include.NON_NULL)
public class UserResponse {
/**
* User's unique identifier
*/
@Schema(description = "User's unique identifier",
example = "123e4567-e89b-12d3-a456-426614174000")
private String id;
/**
* User's full name
*/
@Schema(description = "User's full name",
example = "John Doe")
private String name;
/**
* User's email address
*/
@Schema(description = "User's email address",
example = "john.doe@example.com")
private String email;
/**
* User's phone number
*/
@Schema(description = "User's phone number",
example = "+1234567890")
private String phoneNumber;
/**
* User's preferred language
*/
@Schema(description = "User's preferred language",
example = "en-US")
private String language;
/**
* User's timezone
*/
@Schema(description = "User's timezone",
example = "America/New_York")
private String timezone;
/**
* Whether user's email is verified
*/
@Schema(description = "Whether user's email is verified",
example = "true")
private Boolean emailVerified;
/**
* Whether user's phone is verified
*/
@Schema(description = "Whether user's phone is verified",
example = "false")
private Boolean phoneVerified;
/**
* Whether two-factor authentication is enabled
*/
@Schema(description = "Whether 2FA is enabled",
example = "true")
private Boolean twoFactorEnabled;
/**
* User's account status
*/
@Schema(description = "User's account status",
example = "ACTIVE")
private String status;
/**
* User's role in the system
*/
@Schema(description = "User's role",
example = "USER")
private String role;
/**
* Account creation timestamp
*/
@Schema(description = "Account creation timestamp")
private LocalDateTime createdAt;
/**
* Last profile update timestamp
*/
@Schema(description = "Last profile update timestamp")
private LocalDateTime updatedAt;
/**
* Last login timestamp
*/
@Schema(description = "Last login timestamp")
private LocalDateTime lastLoginAt;
/**
* Number of trusted devices
*/
@Schema(description = "Number of trusted devices",
example = "3")
private Integer trustedDevicesCount;
/**
* Security score (0-100)
*/
@Schema(description = "Account security score",
example = "85")
private Integer securityScore;
/**
* Whether marketing emails are accepted
*/
@Schema(description = "Marketing email preference",
example = "false")
private Boolean marketingOptIn;
/**
* Profile picture URL
*/
@Schema(description = "Profile picture URL")
private String avatarUrl;
/**
* User's registration source
*/
@Schema(description = "Registration source",
example = "web")
private String registrationSource;
/**
* Last password change timestamp
*/
@Schema(description = "Last password change timestamp")
private LocalDateTime passwordChangedAt;
/**
* Default constructor
*/
public UserResponse() {}
/**
* Constructor with basic user information
*
* @param id User ID
* @param name User name
* @param email User email
* @param emailVerified Email verification status
* @param twoFactorEnabled 2FA status
*/
public UserResponse(String id, String name, String email,
Boolean emailVerified, Boolean twoFactorEnabled) {
this.id = id;
this.name = name;
this.email = email;
this.emailVerified = emailVerified;
this.twoFactorEnabled = twoFactorEnabled;
}
/**
* Creates UserResponse from User entity
*
* @param user User entity
* @return UserResponse instance
*/
public static UserResponse fromEntity(User user) {
if (user == null) return null;
UserResponse response = new UserResponse();
response.setId(user.getId().toString());
response.setName(user.getName());
response.setEmail(user.getEmail());
response.setPhoneNumber(user.getPhoneNumber());
response.setLanguage(user.getLanguage());
response.setTimezone(user.getTimezone());
response.setEmailVerified(user.getEmailVerified());
response.setPhoneVerified(user.getPhoneVerified());
response.setTwoFactorEnabled(user.getTwoFactorEnabled());
response.setStatus(user.getStatus());
response.setRole(user.getRole());
response.setCreatedAt(user.getCreatedAt());
response.setUpdatedAt(user.getUpdatedAt());
response.setLastLoginAt(user.getLastLoginAt());
response.setMarketingOptIn(user.getMarketingOptIn());
response.setAvatarUrl(user.getAvatarUrl());
response.setRegistrationSource(user.getRegistrationSource());
response.setPasswordChangedAt(user.getPasswordChangedAt());
return response;
}
/**
* Creates a minimal UserResponse with basic information
*
* @param user User entity
* @return Minimal UserResponse instance
*/
public static UserResponse minimal(User user) {
if (user == null) return null;
UserResponse response = new UserResponse();
response.setId(user.getId().toString());
response.setName(user.getName());
response.setEmail(user.getEmail());
response.setEmailVerified(user.getEmailVerified());
response.setTwoFactorEnabled(user.getTwoFactorEnabled());
response.setStatus(user.getStatus());
response.setRole(user.getRole());
return response;
}
/**
* Creates a public UserResponse with limited information
*
* @param user User entity
* @return Public UserResponse instance
*/
public static UserResponse publicInfo(User user) {
if (user == null) return null;
UserResponse response = new UserResponse();
response.setId(user.getId().toString());
response.setName(user.getName());
response.setAvatarUrl(user.getAvatarUrl());
response.setCreatedAt(user.getCreatedAt());
return response;
}
/**
* Checks if the user account is fully verified
*
* @return true if both email and phone are verified
*/
public boolean isFullyVerified() {
return Boolean.TRUE.equals(emailVerified) && Boolean.TRUE.equals(phoneVerified);
}
/**
* Checks if the account is active
*
* @return true if status is ACTIVE
*/
public boolean isActive() {
return "ACTIVE".equals(status);
}
/**
* Checks if the account has good security
*
* @return true if security score is >= 70
*/
public boolean hasGoodSecurity() {
return securityScore != null && securityScore >= 70;
}
// Getters and Setters
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPhoneNumber() {
return phoneNumber;
}
public void setPhoneNumber(String phoneNumber) {
this.phoneNumber = phoneNumber;
}
public String getLanguage() {
return language;
}
public void setLanguage(String language) {
this.language = language;
}
public String getTimezone() {
return timezone;
}
public void setTimezone(String timezone) {
this.timezone = timezone;
}
public Boolean getEmailVerified() {
return emailVerified;
}
public void setEmailVerified(Boolean emailVerified) {
this.emailVerified = emailVerified;
}
public Boolean getPhoneVerified() {
return phoneVerified;
}
public void setPhoneVerified(Boolean phoneVerified) {
this.phoneVerified = phoneVerified;
}
public Boolean getTwoFactorEnabled() {
return twoFactorEnabled;
}
public void setTwoFactorEnabled(Boolean twoFactorEnabled) {
this.twoFactorEnabled = twoFactorEnabled;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getRole() {
return role;
}
public void setRole(String role) {
this.role = role;
}
public LocalDateTime getCreatedAt() {
return createdAt;
}
public void setCreatedAt(LocalDateTime createdAt) {
this.createdAt = createdAt;
}
public LocalDateTime getUpdatedAt() {
return updatedAt;
}
public void setUpdatedAt(LocalDateTime updatedAt) {
this.updatedAt = updatedAt;
}
public LocalDateTime getLastLoginAt() {
return lastLoginAt;
}
public void setLastLoginAt(LocalDateTime lastLoginAt) {
this.lastLoginAt = lastLoginAt;
}
public Integer getTrustedDevicesCount() {
return trustedDevicesCount;
}
public void setTrustedDevicesCount(Integer trustedDevicesCount) {
this.trustedDevicesCount = trustedDevicesCount;
}
public Integer getSecurityScore() {
return securityScore;
}
public void setSecurityScore(Integer securityScore) {
this.securityScore = securityScore;
}
public Boolean getMarketingOptIn() {
return marketingOptIn;
}
public void setMarketingOptIn(Boolean marketingOptIn) {
this.marketingOptIn = marketingOptIn;
}
public String getAvatarUrl() {
return avatarUrl;
}
public void setAvatarUrl(String avatarUrl) {
this.avatarUrl = avatarUrl;
}
public String getRegistrationSource() {
return registrationSource;
}
public void setRegistrationSource(String registrationSource) {
this.registrationSource = registrationSource;
}
public LocalDateTime getPasswordChangedAt() {
return passwordChangedAt;
}
public void setPasswordChangedAt(LocalDateTime passwordChangedAt) {
this.passwordChangedAt = passwordChangedAt;
}
@Override
public String toString() {
return "UserResponse{" +
"id='" + id + '\'' +
", name='" + name + '\'' +
", email='" + email + '\'' +
", emailVerified=" + emailVerified +
", twoFactorEnabled=" + twoFactorEnabled +
", status='" + status + '\'' +
", role='" + role + '\'' +
", trustedDevicesCount=" + trustedDevicesCount +
", securityScore=" + securityScore +
'}';
}
}

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src/main/java/com/company/auth/entity/TrustedDevice.java Normal file
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/**
* Trusted Device Entity
*
* JPA entity representing trusted devices for risk-based authentication.
* Stores device fingerprints and metadata to enable device-level security
* and reduce the need for repeated two-factor authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.entity;
import com.fasterxml.jackson.annotation.JsonIgnore;
import jakarta.persistence.*;
import jakarta.validation.constraints.DecimalMax;
import jakarta.validation.constraints.DecimalMin;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.NotNull;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;
import java.math.BigDecimal;
import java.time.LocalDateTime;
/**
* TrustedDevice entity for device-based authentication
*
* This entity stores device fingerprints and associated metadata to enable
* risk-based authentication. When a device is trusted, users can authenticate
* without additional verification steps, improving user experience while
* maintaining security.
*/
@Entity
@Table(name = "trusted_devices",
uniqueConstraints = {
@UniqueConstraint(name = "unique_user_fingerprint",
columnNames = {"user_id", "fingerprint_hash"})
},
indexes = {
@Index(name = "idx_trusted_devices_fingerprint", columnList = "fingerprintHash"),
@Index(name = "idx_trusted_devices_user_active", columnList = "user_id, isActive"),
@Index(name = "idx_trusted_devices_last_used", columnList = "lastUsedAt"),
@Index(name = "idx_trusted_devices_risk_score", columnList = "riskScore"),
@Index(name = "idx_trusted_devices_created", columnList = "createdAt"),
@Index(name = "idx_trusted_devices_cleanup", columnList = "isActive, lastUsedAt, createdAt")
})
public class TrustedDevice {
/**
* Primary key for the trusted device record
*/
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
/**
* User who owns this trusted device
*
* Many-to-one relationship with User entity.
* Each user can have multiple trusted devices.
*/
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "user_id", nullable = false)
@NotNull(message = "User is required")
@JsonIgnore
private User user;
/**
* Foreign key reference to user ID
*
* Stored separately for efficient queries and indexing.
*/
@Column(name = "user_id", insertable = false, updatable = false)
private Long userId;
/**
* Unique device fingerprint hash
*
* SHA-256 hash of the device fingerprint data.
* Used for efficient device matching and lookup.
*/
@Column(name = "fingerprint_hash", nullable = false, length = 255)
@NotBlank(message = "Fingerprint hash is required")
private String fingerprintHash;
/**
* User-friendly device name
*
* Optional name provided by user or generated from device characteristics
* (e.g., "John's MacBook Pro", "Chrome on Windows").
*/
@Column(name = "device_name", length = 100)
private String deviceName;
/**
* Complete device fingerprint data as JSON
*
* Stores the full fingerprint information including browser characteristics,
* screen resolution, timezone, and other identifying features.
*/
@Column(name = "device_info", nullable = false, columnDefinition = "JSON")
@NotBlank(message = "Device info is required")
private String deviceInfo;
/**
* Fingerprint confidence score (0.00 to 1.00)
*
* Indicates the reliability and uniqueness of the device fingerprint.
* Higher scores indicate more reliable device identification.
*/
@Column(name = "confidence_score", nullable = false, precision = 3, scale = 2)
@NotNull(message = "Confidence score is required")
@DecimalMin(value = "0.00", message = "Confidence score must be at least 0.00")
@DecimalMax(value = "1.00", message = "Confidence score must not exceed 1.00")
private BigDecimal confidenceScore;
/**
* Current risk assessment score (0.00 to 1.00)
*
* Dynamic risk score based on usage patterns, location changes,
* and behavioral analysis. Updated with each authentication.
*/
@Column(name = "risk_score", precision = 3, scale = 2)
@DecimalMin(value = "0.00", message = "Risk score must be at least 0.00")
@DecimalMax(value = "1.00", message = "Risk score must not exceed 1.00")
private BigDecimal riskScore = BigDecimal.ZERO;
/**
* Device active status
*
* Determines if the device is currently trusted and can be used
* for authentication. Inactive devices require re-verification.
*/
@Column(name = "is_active", nullable = false)
private Boolean isActive = true;
/**
* Last authentication timestamp
*
* Records when this device was last used for authentication.
* Used for device cleanup and activity monitoring.
*/
@Column(name = "last_used_at")
private LocalDateTime lastUsedAt;
/**
* Total authentication count
*
* Tracks how many times this device has been used for authentication.
* Used for usage pattern analysis and risk assessment.
*/
@Column(name = "usage_count", nullable = false)
private Integer usageCount = 0;
/**
* Last known IP address
*
* Stores the most recent IP address used with this device.
* Supports both IPv4 and IPv6 addresses for location tracking.
*/
@Column(name = "ip_address", length = 45)
private String ipAddress;
/**
* Last known user agent string
*
* Browser and OS information from the most recent authentication.
* Used for device change detection and security monitoring.
*/
@Column(name = "user_agent", columnDefinition = "TEXT")
private String userAgent;
/**
* Geographic location information as JSON
*
* Optional location data including country, city, and coordinates.
* Used for location-based risk assessment and anomaly detection.
*/
@Column(name = "location_info", columnDefinition = "JSON")
private String locationInfo;
/**
* Security flags and metadata as JSON
*
* Stores security-related information such as:
* - Suspicious activity flags
* - Security events
* - Risk assessment history
* - Behavioral analysis data
*/
@Column(name = "security_flags", columnDefinition = "JSON")
private String securityFlags;
/**
* Device registration timestamp
*
* Automatically set when the device is first registered as trusted.
* Used for device age calculations and audit purposes.
*/
@CreationTimestamp
@Column(name = "created_at", nullable = false, updatable = false)
private LocalDateTime createdAt;
/**
* Device type (e.g., "desktop", "mobile", "tablet")
*/
@Column(name = "device_type", length = 50)
private String deviceType;
/**
* Operating system information
*/
@Column(name = "operating_system", length = 100)
private String operatingSystem;
/**
* Browser information
*/
@Column(name = "browser", length = 100)
private String browser;
/**
* Device location (city, country)
*/
@Column(name = "location", length = 200)
private String location;
/**
* Last IP address used
*/
@Column(name = "last_ip_address", length = 45)
private String lastIpAddress;
/**
* Trust status
*/
@Column(name = "trust_status", length = 20)
private String trustStatus = "PENDING";
/**
* Trust level (0-100)
*/
@Column(name = "trust_level")
private Integer trustLevel = 0;
/**
* When device was trusted
*/
@Column(name = "trusted_at")
private LocalDateTime trustedAt;
/**
* Device verification code for setup
*/
@Column(name = "verification_code", length = 10)
private String verificationCode;
/**
* When verification code expires
*/
@Column(name = "verification_expires_at")
private LocalDateTime verificationExpiresAt;
/**
* Last verification timestamp
*/
@Column(name = "last_verified_at")
private LocalDateTime lastVerifiedAt;
/**
* Last seen timestamp
*/
@Column(name = "last_seen_at")
private LocalDateTime lastSeenAt;
/**
* Device expiration date
*/
@Column(name = "expires_at")
private LocalDateTime expiresAt;
/**
* Login count for this device
*/
@Column(name = "login_count", nullable = false)
private Integer loginCount = 0;
/**
* Failed attempts counter
*/
@Column(name = "failed_attempts", nullable = false)
private Integer failedAttempts = 0;
/**
* Risk level for this device
*/
@Enumerated(EnumType.STRING)
@Column(name = "risk_level", length = 20)
private com.company.auth.util.RiskLevel riskLevel = com.company.auth.util.RiskLevel.LOW;
/**
* Device removal timestamp
*/
@Column(name = "removed_at")
private LocalDateTime removedAt;
/**
* Whether device is trusted
*/
@Column(name = "is_trusted", nullable = false)
private Boolean isTrusted = false;
/**
* Last update timestamp
*
* Automatically updated whenever the device record is modified.
* Used for tracking device changes and audit purposes.
*/
@UpdateTimestamp
@Column(name = "updated_at", nullable = false)
private LocalDateTime updatedAt;
/**
* Default constructor for JPA
*/
public TrustedDevice() {}
/**
* Constructor for creating trusted device with basic information
*
* @param user Device owner
* @param fingerprintHash Device fingerprint hash
* @param deviceInfo Complete device information as JSON
* @param confidenceScore Fingerprint confidence score
*/
public TrustedDevice(User user, String fingerprintHash, String deviceInfo, BigDecimal confidenceScore) {
this.user = user;
this.fingerprintHash = fingerprintHash;
this.deviceInfo = deviceInfo;
this.confidenceScore = confidenceScore;
}
/**
* Update device usage statistics
*
* Called when the device is used for authentication.
* Updates usage count, last used timestamp, and IP address.
*
* @param ipAddress Current IP address
* @param userAgent Current user agent
*/
public void updateUsage(String ipAddress, String userAgent) {
this.usageCount++;
this.lastUsedAt = LocalDateTime.now();
this.ipAddress = ipAddress;
this.userAgent = userAgent;
}
/**
* Check if device is considered stale and needs cleanup
*
* A device is stale if it hasn't been used recently or has been
* inactive for an extended period.
*
* @param maxIdleDays Maximum days without usage before considering stale
* @return true if device should be cleaned up
*/
public boolean isStale(int maxIdleDays) {
if (lastUsedAt == null) {
// Device never used, check creation date
return createdAt.isBefore(LocalDateTime.now().minusDays(maxIdleDays));
}
return lastUsedAt.isBefore(LocalDateTime.now().minusDays(maxIdleDays));
}
/**
* Calculate device age in days
*
* @return Number of days since device was registered
*/
public long getDeviceAgeInDays() {
return java.time.temporal.ChronoUnit.DAYS.between(createdAt, LocalDateTime.now());
}
/**
* Check if device risk score is above threshold
*
* @param threshold Risk threshold (0.0 to 1.0)
* @return true if device risk exceeds threshold
*/
public boolean isHighRisk(BigDecimal threshold) {
return riskScore != null && riskScore.compareTo(threshold) > 0;
}
// Getters and Setters
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
this.userId = user != null ? user.getId() : null;
}
public Long getUserId() {
return userId;
}
public String getFingerprintHash() {
return fingerprintHash;
}
public void setFingerprintHash(String fingerprintHash) {
this.fingerprintHash = fingerprintHash;
}
public String getDeviceName() {
return deviceName;
}
public void setDeviceName(String deviceName) {
this.deviceName = deviceName;
}
public String getDeviceInfo() {
return deviceInfo;
}
public void setDeviceInfo(String deviceInfo) {
this.deviceInfo = deviceInfo;
}
public BigDecimal getConfidenceScore() {
return confidenceScore;
}
public void setConfidenceScore(BigDecimal confidenceScore) {
this.confidenceScore = confidenceScore;
}
public BigDecimal getRiskScore() {
return riskScore;
}
public void setRiskScore(BigDecimal riskScore) {
this.riskScore = riskScore;
}
public Boolean getIsActive() {
return isActive;
}
public void setIsActive(Boolean isActive) {
this.isActive = isActive;
}
public LocalDateTime getLastUsedAt() {
return lastUsedAt;
}
public void setLastUsedAt(LocalDateTime lastUsedAt) {
this.lastUsedAt = lastUsedAt;
}
public Integer getUsageCount() {
return usageCount;
}
public void setUsageCount(Integer usageCount) {
this.usageCount = usageCount;
}
public String getIpAddress() {
return ipAddress;
}
public void setIpAddress(String ipAddress) {
this.ipAddress = ipAddress;
}
public String getUserAgent() {
return userAgent;
}
public void setUserAgent(String userAgent) {
this.userAgent = userAgent;
}
public String getLocationInfo() {
return locationInfo;
}
public void setLocationInfo(String locationInfo) {
this.locationInfo = locationInfo;
}
public String getSecurityFlags() {
return securityFlags;
}
public void setSecurityFlags(String securityFlags) {
this.securityFlags = securityFlags;
}
public LocalDateTime getCreatedAt() {
return createdAt;
}
public void setCreatedAt(LocalDateTime createdAt) {
this.createdAt = createdAt;
}
public LocalDateTime getUpdatedAt() {
return updatedAt;
}
public void setUpdatedAt(LocalDateTime updatedAt) {
this.updatedAt = updatedAt;
}
// Additional getters and setters for new fields
public String getDeviceType() {
return deviceType;
}
public void setDeviceType(String deviceType) {
this.deviceType = deviceType;
}
public String getOperatingSystem() {
return operatingSystem;
}
public void setOperatingSystem(String operatingSystem) {
this.operatingSystem = operatingSystem;
}
public String getBrowser() {
return browser;
}
public void setBrowser(String browser) {
this.browser = browser;
}
public String getLocation() {
return location;
}
public void setLocation(String location) {
this.location = location;
}
public String getLastIpAddress() {
return lastIpAddress;
}
public void setLastIpAddress(String lastIpAddress) {
this.lastIpAddress = lastIpAddress;
}
public String getTrustStatus() {
return trustStatus;
}
public void setTrustStatus(String trustStatus) {
this.trustStatus = trustStatus;
}
public Integer getTrustLevel() {
return trustLevel;
}
public void setTrustLevel(Integer trustLevel) {
this.trustLevel = trustLevel;
}
public LocalDateTime getTrustedAt() {
return trustedAt;
}
public void setTrustedAt(LocalDateTime trustedAt) {
this.trustedAt = trustedAt;
}
public LocalDateTime getLastSeenAt() {
return lastSeenAt;
}
public void setLastSeenAt(LocalDateTime lastSeenAt) {
this.lastSeenAt = lastSeenAt;
}
public LocalDateTime getExpiresAt() {
return expiresAt;
}
public void setExpiresAt(LocalDateTime expiresAt) {
this.expiresAt = expiresAt;
}
public Integer getLoginCount() {
return loginCount;
}
public void setLoginCount(Integer loginCount) {
this.loginCount = loginCount;
}
public Integer getFailedAttempts() {
return failedAttempts;
}
public void setFailedAttempts(Integer failedAttempts) {
this.failedAttempts = failedAttempts;
}
public com.company.auth.util.RiskLevel getRiskLevel() {
return riskLevel;
}
public void setRiskLevel(com.company.auth.util.RiskLevel riskLevel) {
this.riskLevel = riskLevel;
}
public LocalDateTime getRemovedAt() {
return removedAt;
}
public void setRemovedAt(LocalDateTime removedAt) {
this.removedAt = removedAt;
}
public Boolean getIsTrusted() {
return isTrusted;
}
public void setIsTrusted(Boolean isTrusted) {
this.isTrusted = isTrusted;
}
// Additional methods for 2FA and verification functionality
public Boolean getTrustedFor2FA() {
return isTrusted;
}
public void setTrustedFor2FA(Boolean trustedFor2FA) {
this.isTrusted = trustedFor2FA;
}
public LocalDateTime getTrustedFor2FAAt() {
return trustedAt;
}
public void setTrustedFor2FAAt(LocalDateTime trustedFor2FAAt) {
this.trustedAt = trustedFor2FAAt;
}
public LocalDateTime getTrustedFor2FAExpiresAt() {
return expiresAt;
}
public void setTrustedFor2FAExpiresAt(LocalDateTime trustedFor2FAExpiresAt) {
this.expiresAt = trustedFor2FAExpiresAt;
}
public String getVerificationCode() {
return verificationCode;
}
public void setVerificationCode(String verificationCode) {
this.verificationCode = verificationCode;
}
public LocalDateTime getVerificationCodeExpiresAt() {
return verificationExpiresAt;
}
public void setVerificationCodeExpiresAt(LocalDateTime verificationCodeExpiresAt) {
this.verificationExpiresAt = verificationCodeExpiresAt;
}
public Integer getVerificationAttempts() {
return failedAttempts != null ? failedAttempts : 0;
}
public void setVerificationAttempts(Integer verificationAttempts) {
this.failedAttempts = verificationAttempts;
}
public LocalDateTime getLastVerifiedAt() {
return lastVerifiedAt;
}
public void setLastVerifiedAt(LocalDateTime lastVerifiedAt) {
this.lastVerifiedAt = lastVerifiedAt;
}
public String getFingerprintData() {
return fingerprintHash;
}
public void setFingerprintData(String fingerprintData) {
this.fingerprintHash = fingerprintData;
}
public LocalDateTime getRevokedAt() {
return removedAt;
}
public void setRevokedAt(LocalDateTime revokedAt) {
this.removedAt = revokedAt;
}
@Override
public String toString() {
return "TrustedDevice{" +
"id=" + id +
", userId=" + userId +
", deviceName='" + deviceName + '\'' +
", confidenceScore=" + confidenceScore +
", riskScore=" + riskScore +
", isActive=" + isActive +
", usageCount=" + usageCount +
", createdAt=" + createdAt +
'}';
}
}

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src/main/java/com/company/auth/entity/TwoFactorVerification.java Normal file
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/**
* Two Factor Verification Entity
*
* JPA entity for managing temporary verification codes during device registration.
* Handles the complete two-factor authentication workflow including code generation,
* validation, and verification lifecycle management.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.entity;
import com.fasterxml.jackson.annotation.JsonIgnore;
import jakarta.persistence.*;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.NotNull;
import org.hibernate.annotations.CreationTimestamp;
import java.time.LocalDateTime;
/**
* TwoFactorVerification entity for device registration workflows
*
* This entity manages temporary verification sessions when users attempt
* to register new devices. It stores verification codes, tracks attempts,
* and maintains security context for the 2FA process.
*/
@Entity
@Table(name = "two_factor_verifications",
indexes = {
@Index(name = "idx_two_factor_user_id", columnList = "user_id"),
@Index(name = "idx_two_factor_code_hash", columnList = "codeHash"),
@Index(name = "idx_two_factor_expires_at", columnList = "expiresAt"),
@Index(name = "idx_two_factor_user_unused", columnList = "user_id, isUsed"),
@Index(name = "idx_two_factor_method", columnList = "method"),
@Index(name = "idx_two_factor_created", columnList = "createdAt"),
@Index(name = "idx_two_factor_cleanup", columnList = "expiresAt, isUsed, createdAt"),
@Index(name = "idx_two_factor_active", columnList = "user_id, isUsed, isBlocked, expiresAt")
})
public class TwoFactorVerification {
/**
* Enumeration for two-factor verification methods
*/
public enum Method {
SMS("sms"),
EMAIL("email"),
TOTP("totp");
private final String value;
Method(String value) {
this.value = value;
}
public String getValue() {
return value;
}
}
/**
* Primary key for the verification record
*/
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
/**
* User requesting device verification
*
* Many-to-one relationship with User entity.
* Links the verification session to the user account.
*/
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "user_id", nullable = false)
@NotNull(message = "User is required")
@JsonIgnore
private User user;
/**
* Foreign key reference to user ID
*
* Stored separately for efficient queries and indexing.
*/
@Column(name = "user_id", insertable = false, updatable = false)
private Long userId;
/**
* Hashed verification code
*
* SHA-256 hash of the verification code for secure storage.
* Plain codes are never stored in the database.
*/
@Column(name = "code_hash", nullable = false, length = 255)
@NotBlank(message = "Code hash is required")
private String codeHash;
/**
* Verification delivery method
*
* Indicates how the verification code was delivered to the user
* (SMS, email, or TOTP authenticator app).
*/
@Enumerated(EnumType.STRING)
@Column(name = "method", nullable = false)
@NotNull(message = "Verification method is required")
private Method method;
/**
* Device fingerprint data as JSON
*
* Stores the complete fingerprint information for the device
* being registered. Used to create trusted device after successful verification.
*/
@Column(name = "device_fingerprint", nullable = false, columnDefinition = "JSON")
@NotBlank(message = "Device fingerprint is required")
private String deviceFingerprint;
/**
* Client IP address
*
* IP address from which the verification was initiated.
* Used for security monitoring and geographic analysis.
*/
@Column(name = "ip_address", length = 45)
private String ipAddress;
/**
* Client user agent string
*
* Browser and OS information from the verification request.
* Used for device identification and security analysis.
*/
@Column(name = "user_agent", columnDefinition = "TEXT")
private String userAgent;
/**
* Code expiration timestamp
*
* When the verification code expires and becomes invalid.
* Typically set to 5-15 minutes from creation time.
*/
@Column(name = "expires_at", nullable = false)
@NotNull(message = "Expiration time is required")
private LocalDateTime expiresAt;
/**
* Number of verification attempts
*
* Tracks how many times the user has attempted to verify the code.
* Used to prevent brute force attacks.
*/
@Column(name = "attempts", nullable = false)
private Integer attempts = 0;
/**
* Maximum allowed attempts
*
* Configurable limit for verification attempts before blocking.
* Typically set to 3-5 attempts.
*/
@Column(name = "max_attempts", nullable = false)
private Integer maxAttempts = 3;
/**
* Whether code has been successfully used
*
* Set to true when verification is completed successfully.
* Prevents code reuse after successful verification.
*/
@Column(name = "is_used", nullable = false)
private Boolean isUsed = false;
/**
* Whether session is blocked due to too many attempts
*
* Set to true when maximum attempts are exceeded.
* Blocks further verification attempts for this session.
*/
@Column(name = "is_blocked", nullable = false)
private Boolean isBlocked = false;
/**
* When verification was completed successfully
*
* Timestamp indicating when the code was verified.
* Used for audit trail and verification lifecycle tracking.
*/
@Column(name = "verified_at")
private LocalDateTime verifiedAt;
/**
* Whether verification record is active
*
* Active records can be used for verification.
* Inactive records are for historical purposes only.
*/
@Column(name = "is_active", nullable = false)
private Boolean isActive = true;
/**
* When verification was disabled
*
* Timestamp when the verification was deactivated.
* Used for audit trail and cleanup operations.
*/
@Column(name = "disabled_at")
private LocalDateTime disabledAt;
/**
* Plain verification code (temporary, not stored)
*
* Used temporarily during verification process.
* This field is never persisted to database.
*/
@Transient
private String verificationCode;
/**
* Additional metadata as JSON
*
* Stores supplementary information such as:
* - Demo mode flags
* - Environment information
* - Security context
* - Behavioral analysis data
*/
@Column(name = "metadata", columnDefinition = "JSON")
private String metadata;
/**
* Verification session creation timestamp
*
* Automatically set when the verification session is created.
* Used for session age calculations and cleanup.
*/
@CreationTimestamp
@Column(name = "created_at", nullable = false, updatable = false)
private LocalDateTime createdAt;
/**
* Default constructor for JPA
*/
public TwoFactorVerification() {}
/**
* Constructor for creating verification session
*
* @param user User requesting verification
* @param codeHash Hashed verification code
* @param method Verification delivery method
* @param deviceFingerprint Device fingerprint data
* @param expiresAt Code expiration time
*/
public TwoFactorVerification(User user, String codeHash, Method method,
String deviceFingerprint, LocalDateTime expiresAt) {
this.user = user;
this.codeHash = codeHash;
this.method = method;
this.deviceFingerprint = deviceFingerprint;
this.expiresAt = expiresAt;
}
/**
* Check if verification code has expired
*
* @return true if current time is past expiration time
*/
public boolean isExpired() {
return LocalDateTime.now().isAfter(expiresAt);
}
/**
* Check if verification session is still valid
*
* A session is valid if it's not expired, not used, not blocked,
* and hasn't exceeded maximum attempts.
*
* @return true if session can accept verification attempts
*/
public boolean isValid() {
return !isExpired() && !isUsed && !isBlocked && attempts < maxAttempts;
}
/**
* Increment verification attempt counter
*
* Called each time user submits a verification code.
* Automatically blocks session if max attempts exceeded.
*/
public void incrementAttempts() {
this.attempts++;
if (this.attempts >= this.maxAttempts) {
this.isBlocked = true;
}
}
/**
* Mark verification as successfully completed
*
* Sets isUsed flag to prevent code reuse and indicates
* that device registration can proceed.
*/
public void markAsUsed() {
this.isUsed = true;
}
/**
* Get remaining verification attempts
*
* @return Number of attempts remaining before session is blocked
*/
public int getRemainingAttempts() {
return Math.max(0, maxAttempts - attempts);
}
/**
* Check if session should be cleaned up
*
* Sessions should be cleaned up if they are expired and either
* used or have been inactive for an extended period.
*
* @param cleanupHours Hours after expiration to keep sessions
* @return true if session can be safely deleted
*/
public boolean shouldCleanup(int cleanupHours) {
if (!isExpired()) {
return false;
}
LocalDateTime cleanupThreshold = expiresAt.plusHours(cleanupHours);
return LocalDateTime.now().isAfter(cleanupThreshold);
}
// Getters and Setters
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
this.userId = user != null ? user.getId() : null;
}
public Long getUserId() {
return userId;
}
public String getCodeHash() {
return codeHash;
}
public void setCodeHash(String codeHash) {
this.codeHash = codeHash;
}
public Method getMethod() {
return method;
}
public void setMethod(Method method) {
this.method = method;
}
public String getDeviceFingerprint() {
return deviceFingerprint;
}
public void setDeviceFingerprint(String deviceFingerprint) {
this.deviceFingerprint = deviceFingerprint;
}
public String getIpAddress() {
return ipAddress;
}
public void setIpAddress(String ipAddress) {
this.ipAddress = ipAddress;
}
public String getUserAgent() {
return userAgent;
}
public void setUserAgent(String userAgent) {
this.userAgent = userAgent;
}
public LocalDateTime getExpiresAt() {
return expiresAt;
}
public void setExpiresAt(LocalDateTime expiresAt) {
this.expiresAt = expiresAt;
}
public Integer getAttempts() {
return attempts;
}
public void setAttempts(Integer attempts) {
this.attempts = attempts;
}
public Integer getMaxAttempts() {
return maxAttempts;
}
public void setMaxAttempts(Integer maxAttempts) {
this.maxAttempts = maxAttempts;
}
public Boolean getIsUsed() {
return isUsed;
}
public void setIsUsed(Boolean isUsed) {
this.isUsed = isUsed;
}
public Boolean getIsBlocked() {
return isBlocked;
}
public void setIsBlocked(Boolean isBlocked) {
this.isBlocked = isBlocked;
}
public String getMetadata() {
return metadata;
}
public void setMetadata(String metadata) {
this.metadata = metadata;
}
public LocalDateTime getCreatedAt() {
return createdAt;
}
public void setCreatedAt(LocalDateTime createdAt) {
this.createdAt = createdAt;
}
public LocalDateTime getVerifiedAt() {
return verifiedAt;
}
public void setVerifiedAt(LocalDateTime verifiedAt) {
this.verifiedAt = verifiedAt;
}
public Boolean getIsActive() {
return isActive;
}
public void setIsActive(Boolean isActive) {
this.isActive = isActive;
}
public LocalDateTime getDisabledAt() {
return disabledAt;
}
public void setDisabledAt(LocalDateTime disabledAt) {
this.disabledAt = disabledAt;
}
public String getVerificationCode() {
return verificationCode;
}
public void setVerificationCode(String verificationCode) {
this.verificationCode = verificationCode;
}
@Override
public String toString() {
return "TwoFactorVerification{" +
"id=" + id +
", userId=" + userId +
", method=" + method +
", attempts=" + attempts +
", maxAttempts=" + maxAttempts +
", isUsed=" + isUsed +
", isBlocked=" + isBlocked +
", expiresAt=" + expiresAt +
", createdAt=" + createdAt +
'}';
}
}

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src/main/java/com/company/auth/entity/User.java Normal file
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/**
* User Entity
*
* JPA entity representing user accounts in the authentication system.
* Maps to the users table and provides the foundation for authentication,
* authorization, and device trust management.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.entity;
import com.fasterxml.jackson.annotation.JsonIgnore;
import jakarta.persistence.*;
import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Size;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;
import java.time.LocalDateTime;
import java.util.List;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
/**
* User entity for authentication and authorization
*
* This entity stores user account information including credentials,
* roles, permissions, and account status. It supports the complete
* authentication workflow and integrates with device trust management.
*/
@Entity
@Table(name = "users", indexes = {
@Index(name = "idx_users_email", columnList = "email"),
@Index(name = "idx_users_active", columnList = "isActive"),
@Index(name = "idx_users_last_login", columnList = "lastLoginAt"),
@Index(name = "idx_users_created", columnList = "createdAt")
})
public class User implements UserDetails {
/**
* Primary key for the user record
*/
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
/**
* User's first name
*/
@Column(name = "first_name", nullable = false, length = 50)
@NotBlank(message = "First name is required")
@Size(min = 1, max = 50, message = "First name must be between 1 and 50 characters")
private String firstName;
/**
* User's last name
*/
@Column(name = "last_name", nullable = false, length = 50)
@NotBlank(message = "Last name is required")
@Size(min = 1, max = 50, message = "Last name must be between 1 and 50 characters")
private String lastName;
/**
* User's email address (unique identifier)
*/
@Column(name = "email", nullable = false, unique = true, length = 255)
@NotBlank(message = "Email is required")
@Email(message = "Email must be valid")
@Size(max = 255, message = "Email must not exceed 255 characters")
private String email;
/**
* Encrypted password hash
*
* Password is hashed using BCrypt before storage.
* This field is excluded from JSON serialization for security.
*/
@Column(name = "password", nullable = false, length = 255)
@NotBlank(message = "Password is required")
@JsonIgnore
private String password;
/**
* User roles as JSON array
*
* Stores user roles (e.g., ["USER", "ADMIN"]) for authorization.
* Uses JSON column type for flexible role management.
*/
@Column(name = "roles", columnDefinition = "JSON")
private String roles;
/**
* User permissions as JSON array
*
* Stores specific permissions (e.g., ["READ_PROFILE", "UPDATE_PROFILE"])
* for fine-grained access control.
*/
@Column(name = "permissions", columnDefinition = "JSON")
private String permissions;
/**
* Account active status
*
* Determines if the user account is active and can authenticate.
* Inactive accounts are denied access.
*/
@Column(name = "is_active", nullable = false)
private Boolean isActive = true;
/**
* Email verification status
*
* Tracks whether the user has verified their email address.
* Can be used to enforce email verification requirements.
*/
@Column(name = "email_verified", nullable = false)
private Boolean emailVerified = false;
/**
* User's phone number
*/
@Column(name = "phone_number", length = 20)
private String phoneNumber;
/**
* Phone verification status
*/
@Column(name = "phone_verified", nullable = false)
private Boolean phoneVerified = false;
/**
* Two-factor authentication enabled status
*/
@Column(name = "two_factor_enabled", nullable = false)
private Boolean twoFactorEnabled = false;
/**
* Two-factor authentication method
*/
@Column(name = "two_factor_method", length = 20)
private String twoFactorMethod;
/**
* User's preferred language
*/
@Column(name = "language", length = 10)
private String language = "en";
/**
* User's timezone
*/
@Column(name = "timezone", length = 50)
private String timezone = "UTC";
/**
* Marketing opt-in status
*/
@Column(name = "marketing_opt_in")
private Boolean marketingOptIn = false;
/**
* Avatar/profile picture URL
*/
@Column(name = "avatar_url", length = 500)
private String avatarUrl;
/**
* Failed login attempts counter
*/
@Column(name = "failed_login_attempts", nullable = false)
private Integer failedLoginAttempts = 0;
/**
* Account locked until timestamp
*/
@Column(name = "locked_until")
private LocalDateTime lockedUntil;
/**
* Password last changed timestamp
*/
@Column(name = "password_changed_at")
private LocalDateTime passwordChangedAt;
/**
* Last successful login timestamp
*
* Records when the user last successfully authenticated.
* Used for security monitoring and account activity tracking.
*/
@Column(name = "last_login_at")
private LocalDateTime lastLoginAt;
/**
* Account creation timestamp
*
* Automatically set when the user account is created.
* Used for account age calculations and audit purposes.
*/
@CreationTimestamp
@Column(name = "created_at", nullable = false, updatable = false)
private LocalDateTime createdAt;
/**
* Last update timestamp
*
* Automatically updated whenever the user record is modified.
* Used for tracking account changes and audit purposes.
*/
@UpdateTimestamp
@Column(name = "updated_at", nullable = false)
private LocalDateTime updatedAt;
/**
* Relationship to trusted devices
*
* One-to-many relationship with trusted devices for this user.
* Supports device trust management and risk-based authentication.
*/
@OneToMany(mappedBy = "user", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
@JsonIgnore
private List<TrustedDevice> trustedDevices;
/**
* Default constructor for JPA
*/
public User() {}
/**
* Constructor for creating user with basic information
*
* @param firstName User's first name
* @param lastName User's last name
* @param email User's email address
* @param password Encrypted password
*/
public User(String firstName, String lastName, String email, String password) {
this.firstName = firstName;
this.lastName = lastName;
this.email = email;
this.password = password;
}
/**
* Get full name by combining first and last name
*
* @return Full name as "firstName lastName"
*/
public String getFullName() {
return firstName + " " + lastName;
}
/**
* Check if user account is active and verified
*
* @return true if account is active and email is verified
*/
public boolean isAccountFullyActive() {
return isActive != null && isActive && emailVerified != null && emailVerified;
}
/**
* Update last login timestamp to current time
*
* Called when user successfully authenticates.
* Used for security monitoring and activity tracking.
*/
public void updateLastLogin() {
this.lastLoginAt = LocalDateTime.now();
}
// Getters and Setters
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPassword() {
return password; // This is already the password hash
}
public void setPassword(String password) {
this.password = password;
}
public String getRoles() {
return roles;
}
public void setRoles(String roles) {
this.roles = roles;
}
public String getPermissions() {
return permissions;
}
public void setPermissions(String permissions) {
this.permissions = permissions;
}
public Boolean getIsActive() {
return isActive;
}
public void setIsActive(Boolean isActive) {
this.isActive = isActive;
}
public Boolean getEmailVerified() {
return emailVerified;
}
public void setEmailVerified(Boolean emailVerified) {
this.emailVerified = emailVerified;
}
public LocalDateTime getLastLoginAt() {
return lastLoginAt;
}
public void setLastLoginAt(LocalDateTime lastLoginAt) {
this.lastLoginAt = lastLoginAt;
}
public LocalDateTime getCreatedAt() {
return createdAt;
}
public void setCreatedAt(LocalDateTime createdAt) {
this.createdAt = createdAt;
}
public LocalDateTime getUpdatedAt() {
return updatedAt;
}
public void setUpdatedAt(LocalDateTime updatedAt) {
this.updatedAt = updatedAt;
}
public List<TrustedDevice> getTrustedDevices() {
return trustedDevices;
}
public void setTrustedDevices(List<TrustedDevice> trustedDevices) {
this.trustedDevices = trustedDevices;
}
// Additional getters and setters for new fields
public String getPhoneNumber() {
return phoneNumber;
}
public void setPhoneNumber(String phoneNumber) {
this.phoneNumber = phoneNumber;
}
public Boolean getPhoneVerified() {
return phoneVerified;
}
public void setPhoneVerified(Boolean phoneVerified) {
this.phoneVerified = phoneVerified;
}
public Boolean getTwoFactorEnabled() {
return twoFactorEnabled;
}
public void setTwoFactorEnabled(Boolean twoFactorEnabled) {
this.twoFactorEnabled = twoFactorEnabled;
}
public String getTwoFactorMethod() {
return twoFactorMethod;
}
public void setTwoFactorMethod(String twoFactorMethod) {
this.twoFactorMethod = twoFactorMethod;
}
public String getLanguage() {
return language;
}
public void setLanguage(String language) {
this.language = language;
}
public String getTimezone() {
return timezone;
}
public void setTimezone(String timezone) {
this.timezone = timezone;
}
public Boolean getMarketingOptIn() {
return marketingOptIn;
}
public void setMarketingOptIn(Boolean marketingOptIn) {
this.marketingOptIn = marketingOptIn;
}
public String getAvatarUrl() {
return avatarUrl;
}
public void setAvatarUrl(String avatarUrl) {
this.avatarUrl = avatarUrl;
}
public Integer getFailedLoginAttempts() {
return failedLoginAttempts;
}
public void setFailedLoginAttempts(Integer failedLoginAttempts) {
this.failedLoginAttempts = failedLoginAttempts;
}
public LocalDateTime getLockedUntil() {
return lockedUntil;
}
public void setLockedUntil(LocalDateTime lockedUntil) {
this.lockedUntil = lockedUntil;
}
public LocalDateTime getPasswordChangedAt() {
return passwordChangedAt;
}
public void setPasswordChangedAt(LocalDateTime passwordChangedAt) {
this.passwordChangedAt = passwordChangedAt;
}
public String getPasswordHash() {
return password;
}
public void setPasswordHash(String passwordHash) {
this.password = passwordHash;
}
public String getName() {
return getFullName();
}
public void setName(String name) {
// Parse full name into first and last name
if (name != null && !name.trim().isEmpty()) {
String[] parts = name.trim().split("\\s+", 2);
this.firstName = parts[0];
this.lastName = parts.length > 1 ? parts[1] : "";
}
}
// Additional methods for compatibility
public String getRole() {
return roles;
}
public void setRole(String role) {
// Convert single role to JSON array format
this.roles = "[\"" + role + "\"]";
}
public boolean isEnabled() {
return isActive != null && isActive;
}
public void setEnabled(boolean enabled) {
this.isActive = enabled;
}
public boolean isAccountNonLocked() {
return lockedUntil == null || lockedUntil.isBefore(LocalDateTime.now());
}
public void setAccountNonLocked(boolean accountNonLocked) {
if (!accountNonLocked) {
this.lockedUntil = LocalDateTime.now().plusHours(24);
} else {
this.lockedUntil = null;
}
}
public String getStatus() {
if (!isActive) return "INACTIVE";
if (!isAccountNonLocked()) return "LOCKED";
if (!emailVerified) return "PENDING_VERIFICATION";
return "ACTIVE";
}
public void setStatus(String status) {
switch (status) {
case "INACTIVE":
this.isActive = false;
break;
case "LOCKED":
this.lockedUntil = LocalDateTime.now().plusHours(24);
break;
case "PENDING_VERIFICATION":
this.emailVerified = false;
break;
case "ACTIVE":
this.isActive = true;
this.emailVerified = true;
this.lockedUntil = null;
break;
}
}
public String getRegistrationSource() {
return "web"; // Default value
}
public void setRegistrationSource(String registrationSource) {
// This can be stored in a separate field if needed
}
public String getRegistrationIp() {
return null; // This would need a separate field
}
public void setRegistrationIp(String registrationIp) {
// This can be stored in a separate field if needed
}
public LocalDateTime getLastActivity() {
return lastLoginAt;
}
public void setLastActivity(LocalDateTime lastActivity) {
this.lastLoginAt = lastActivity;
}
public String getLastLoginIp() {
return null; // This would need a separate field
}
public void setLastLoginIp(String lastLoginIp) {
// This can be stored in a separate field if needed
}
// UserDetails interface implementation
@Override
public Collection<? extends GrantedAuthority> getAuthorities() {
// Parse roles from JSON string field
List<GrantedAuthority> authorities = new ArrayList<>();
if (roles != null && !roles.isEmpty()) {
// Assuming roles is stored as JSON array like ["USER", "ADMIN"]
if (roles.contains("ADMIN")) {
authorities.add(new SimpleGrantedAuthority("ROLE_ADMIN"));
}
if (roles.contains("USER")) {
authorities.add(new SimpleGrantedAuthority("ROLE_USER"));
}
}
if (authorities.isEmpty()) {
authorities.add(new SimpleGrantedAuthority("ROLE_USER"));
}
return authorities;
}
@Override
public String getUsername() {
return email;
}
@Override
public boolean isAccountNonExpired() {
return true;
}
@Override
public boolean isCredentialsNonExpired() {
return true;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", firstName='" + firstName + '\'' +
", lastName='" + lastName + '\'' +
", email='" + email + '\'' +
", isActive=" + isActive +
", emailVerified=" + emailVerified +
", createdAt=" + createdAt +
'}';
}
}

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package com.company.auth.exception;
public class AccountDeletionException extends RuntimeException {
public AccountDeletionException(String message) {
super(message);
}
public AccountDeletionException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Account Disabled Exception
*
* Thrown when trying to access a disabled account.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when an account is disabled
*/
public class AccountDisabledException extends RuntimeException {
/**
* Constructs a new AccountDisabledException with the specified detail message.
*
* @param message the detail message
*/
public AccountDisabledException(String message) {
super(message);
}
/**
* Constructs a new AccountDisabledException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public AccountDisabledException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Account Locked Exception
*
* Thrown when trying to access a locked account.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when an account is locked
*/
public class AccountLockedException extends RuntimeException {
/**
* Constructs a new AccountLockedException with the specified detail message.
*
* @param message the detail message
*/
public AccountLockedException(String message) {
super(message);
}
/**
* Constructs a new AccountLockedException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public AccountLockedException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Account Suspended Exception
*
* Thrown when trying to access a suspended account.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when an account is suspended
*/
public class AccountSuspendedException extends RuntimeException {
/**
* Constructs a new AccountSuspendedException with the specified detail message.
*
* @param message the detail message
*/
public AccountSuspendedException(String message) {
super(message);
}
/**
* Constructs a new AccountSuspendedException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public AccountSuspendedException(String message, Throwable cause) {
super(message, cause);
}
}

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package com.company.auth.exception;
public class AuthenticationException extends RuntimeException {
public AuthenticationException(String message) {
super(message);
}
public AuthenticationException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Authentication Service Exception
*
* Custom exception for authentication service operations.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
import org.springframework.http.HttpStatus;
/**
* Exception thrown by authentication service operations
*/
public class AuthenticationServiceException extends RuntimeException {
private final HttpStatus status;
private final String detail;
public AuthenticationServiceException(String message) {
super(message);
this.status = HttpStatus.BAD_REQUEST;
this.detail = null;
}
public AuthenticationServiceException(String message, HttpStatus status) {
super(message);
this.status = status;
this.detail = null;
}
public AuthenticationServiceException(String message, String detail) {
super(message);
this.status = HttpStatus.BAD_REQUEST;
this.detail = detail;
}
public AuthenticationServiceException(String message, String detail, HttpStatus status) {
super(message);
this.status = status;
this.detail = detail;
}
public AuthenticationServiceException(String message, Throwable cause) {
super(message, cause);
this.status = HttpStatus.INTERNAL_SERVER_ERROR;
this.detail = null;
}
public AuthenticationServiceException(String message, String detail, Throwable cause) {
super(message, cause);
this.status = HttpStatus.INTERNAL_SERVER_ERROR;
this.detail = detail;
}
public HttpStatus getStatus() {
return status;
}
public String getDetail() {
return detail;
}
}

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src/main/java/com/company/auth/exception/DeviceFingerprintException.java Normal file
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package com.company.auth.exception;
/**
* Exception thrown when device fingerprinting operations fail
*/
public class DeviceFingerprintException extends RuntimeException {
public DeviceFingerprintException(String message) {
super(message);
}
public DeviceFingerprintException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/DeviceManagementException.java Normal file
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package com.company.auth.exception;
public class DeviceManagementException extends RuntimeException {
public DeviceManagementException(String message) {
super(message);
}
public DeviceManagementException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Device Not Found Exception
*
* Exception thrown when a requested device is not found.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when a trusted device is not found
*/
public class DeviceNotFoundException extends RuntimeException {
public DeviceNotFoundException(String message) {
super(message);
}
public DeviceNotFoundException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/DeviceVerificationException.java Normal file
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/**
* Device Verification Exception
*
* Thrown when device verification fails.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when device verification fails
*/
public class DeviceVerificationException extends RuntimeException {
/**
* Constructs a new DeviceVerificationException with the specified detail message.
*
* @param message the detail message
*/
public DeviceVerificationException(String message) {
super(message);
}
/**
* Constructs a new DeviceVerificationException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public DeviceVerificationException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/EmailServiceException.java Normal file
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/**
* Email Service Exception
*
* Custom exception for email service operations.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown by EmailService operations
*/
public class EmailServiceException extends RuntimeException {
public EmailServiceException(String message) {
super(message);
}
public EmailServiceException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/GeoLocationException.java Normal file
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/**
* GeoLocation Service Exception
*
* Custom exception for geolocation service operations.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown by GeoLocationService operations
*/
public class GeoLocationException extends RuntimeException {
public GeoLocationException(String message) {
super(message);
}
public GeoLocationException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/GlobalExceptionHandler.java Normal file
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/**
* Global Exception Handler
*
* Centralized exception handling for the authentication service.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.DisabledException;
import org.springframework.security.authentication.LockedException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.context.request.WebRequest;
import jakarta.persistence.EntityNotFoundException;
import jakarta.validation.ConstraintViolation;
import jakarta.validation.ConstraintViolationException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Global Exception Handler
*
* Provides centralized exception handling with standardized error responses.
*/
@RestControllerAdvice
public class GlobalExceptionHandler {
private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);
/**
* Handles validation errors for request body validation
*
* @param ex Method argument not valid exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(MethodArgumentNotValidException.class)
public ResponseEntity<Map<String, Object>> handleValidationExceptions(
MethodArgumentNotValidException ex, WebRequest request) {
logger.debug("Validation error: {}", ex.getMessage());
Map<String, String> fieldErrors = new HashMap<>();
ex.getBindingResult().getAllErrors().forEach(error -> {
String fieldName = ((FieldError) error).getField();
String errorMessage = error.getDefaultMessage();
fieldErrors.put(fieldName, errorMessage);
});
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.BAD_REQUEST,
"Validation failed",
"Invalid input data",
request.getDescription(false)
);
errorResponse.put("fieldErrors", fieldErrors);
return ResponseEntity.badRequest().body(errorResponse);
}
/**
* Handles constraint violation exceptions
*
* @param ex Constraint violation exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(ConstraintViolationException.class)
public ResponseEntity<Map<String, Object>> handleConstraintViolationExceptions(
ConstraintViolationException ex, WebRequest request) {
logger.debug("Constraint violation: {}", ex.getMessage());
Map<String, String> fieldErrors = ex.getConstraintViolations().stream()
.collect(Collectors.toMap(
violation -> violation.getPropertyPath().toString(),
ConstraintViolation::getMessage
));
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.BAD_REQUEST,
"Validation failed",
"Constraint violations detected",
request.getDescription(false)
);
errorResponse.put("fieldErrors", fieldErrors);
return ResponseEntity.badRequest().body(errorResponse);
}
/**
* Handles authentication exceptions
*
* @param ex Authentication exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(AuthenticationException.class)
public ResponseEntity<Map<String, Object>> handleAuthenticationExceptions(
AuthenticationException ex, WebRequest request) {
logger.warn("Authentication error: {}", ex.getMessage());
String message = "Authentication failed";
HttpStatus status = HttpStatus.UNAUTHORIZED;
if (ex instanceof BadCredentialsException) {
message = "Invalid credentials";
} else if (ex instanceof DisabledException) {
message = "Account is disabled";
} else if (ex instanceof LockedException) {
message = "Account is locked";
status = HttpStatus.LOCKED;
}
Map<String, Object> errorResponse = createErrorResponse(
status,
message,
"Please check your credentials and try again",
request.getDescription(false)
);
return ResponseEntity.status(status).body(errorResponse);
}
/**
* Handles bad credentials exceptions
*
* @param ex Bad credentials exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(BadCredentialsException.class)
public ResponseEntity<Map<String, Object>> handleBadCredentialsException(
BadCredentialsException ex, WebRequest request) {
logger.warn("Bad credentials: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.UNAUTHORIZED,
"Invalid credentials",
"The email or password you entered is incorrect",
request.getDescription(false)
);
return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(errorResponse);
}
/**
* Handles entity not found exceptions
*
* @param ex Entity not found exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(EntityNotFoundException.class)
public ResponseEntity<Map<String, Object>> handleEntityNotFoundException(
EntityNotFoundException ex, WebRequest request) {
logger.debug("Entity not found: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.NOT_FOUND,
"Resource not found",
ex.getMessage(),
request.getDescription(false)
);
return ResponseEntity.status(HttpStatus.NOT_FOUND).body(errorResponse);
}
/**
* Handles illegal argument exceptions
*
* @param ex Illegal argument exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(IllegalArgumentException.class)
public ResponseEntity<Map<String, Object>> handleIllegalArgumentException(
IllegalArgumentException ex, WebRequest request) {
logger.debug("Illegal argument: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.BAD_REQUEST,
"Invalid request",
ex.getMessage(),
request.getDescription(false)
);
return ResponseEntity.badRequest().body(errorResponse);
}
/**
* Handles illegal state exceptions
*
* @param ex Illegal state exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(IllegalStateException.class)
public ResponseEntity<Map<String, Object>> handleIllegalStateException(
IllegalStateException ex, WebRequest request) {
logger.warn("Illegal state: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.CONFLICT,
"Invalid operation",
ex.getMessage(),
request.getDescription(false)
);
return ResponseEntity.status(HttpStatus.CONFLICT).body(errorResponse);
}
/**
* Handles custom authentication service exceptions
*
* @param ex Authentication service exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(AuthenticationServiceException.class)
public ResponseEntity<Map<String, Object>> handleAuthenticationServiceException(
AuthenticationServiceException ex, WebRequest request) {
logger.warn("Authentication service error: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
ex.getStatus(),
ex.getMessage(),
ex.getDetail(),
request.getDescription(false)
);
return ResponseEntity.status(ex.getStatus()).body(errorResponse);
}
/**
* Handles device fingerprint exceptions
*
* @param ex Device fingerprint exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(DeviceFingerprintException.class)
public ResponseEntity<Map<String, Object>> handleDeviceFingerprintException(
DeviceFingerprintException ex, WebRequest request) {
logger.warn("Device fingerprint error: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.BAD_REQUEST,
"Device verification failed",
ex.getMessage(),
request.getDescription(false)
);
return ResponseEntity.badRequest().body(errorResponse);
}
/**
* Handles two-factor authentication exceptions
*
* @param ex Two-factor authentication exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(TwoFactorAuthException.class)
public ResponseEntity<Map<String, Object>> handleTwoFactorAuthException(
TwoFactorAuthException ex, WebRequest request) {
logger.warn("Two-factor authentication error: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.BAD_REQUEST,
"Two-factor authentication failed",
ex.getMessage(),
request.getDescription(false)
);
return ResponseEntity.badRequest().body(errorResponse);
}
/**
* Handles email service exceptions
*
* @param ex Email service exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(EmailServiceException.class)
public ResponseEntity<Map<String, Object>> handleEmailServiceException(
EmailServiceException ex, WebRequest request) {
logger.error("Email service error: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.SERVICE_UNAVAILABLE,
"Email service unavailable",
"Unable to send email notification",
request.getDescription(false)
);
return ResponseEntity.status(HttpStatus.SERVICE_UNAVAILABLE).body(errorResponse);
}
/**
* Handles SMS service exceptions
*
* @param ex SMS service exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(SmsServiceException.class)
public ResponseEntity<Map<String, Object>> handleSmsServiceException(
SmsServiceException ex, WebRequest request) {
logger.error("SMS service error: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.SERVICE_UNAVAILABLE,
"SMS service unavailable",
"Unable to send SMS notification",
request.getDescription(false)
);
return ResponseEntity.status(HttpStatus.SERVICE_UNAVAILABLE).body(errorResponse);
}
/**
* Handles TOTP service exceptions
*
* @param ex TOTP exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(TotpException.class)
public ResponseEntity<Map<String, Object>> handleTotpException(
TotpException ex, WebRequest request) {
logger.warn("TOTP error: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.BAD_REQUEST,
"TOTP operation failed",
ex.getMessage(),
request.getDescription(false)
);
return ResponseEntity.badRequest().body(errorResponse);
}
/**
* Handles geolocation service exceptions
*
* @param ex Geolocation exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(GeoLocationException.class)
public ResponseEntity<Map<String, Object>> handleGeoLocationException(
GeoLocationException ex, WebRequest request) {
logger.error("Geolocation service error: {}", ex.getMessage());
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.SERVICE_UNAVAILABLE,
"Location service unavailable",
"Unable to determine location",
request.getDescription(false)
);
return ResponseEntity.status(HttpStatus.SERVICE_UNAVAILABLE).body(errorResponse);
}
/**
* Handles all other exceptions
*
* @param ex General exception
* @param request Web request
* @return Error response
*/
@ExceptionHandler(Exception.class)
public ResponseEntity<Map<String, Object>> handleGeneralException(
Exception ex, WebRequest request) {
logger.error("Unexpected error occurred", ex);
Map<String, Object> errorResponse = createErrorResponse(
HttpStatus.INTERNAL_SERVER_ERROR,
"Internal server error",
"An unexpected error occurred",
request.getDescription(false)
);
return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorResponse);
}
/**
* Creates standardized error response
*
* @param status HTTP status
* @param message Error message
* @param detail Error detail
* @param path Request path
* @return Error response map
*/
private Map<String, Object> createErrorResponse(HttpStatus status, String message, String detail, String path) {
Map<String, Object> errorResponse = new HashMap<>();
errorResponse.put("timestamp", LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
errorResponse.put("status", status.value());
errorResponse.put("error", status.getReasonPhrase());
errorResponse.put("message", message);
if (detail != null && !detail.equals(message)) {
errorResponse.put("detail", detail);
}
// Clean up path (remove "uri=" prefix if present)
String cleanPath = path.startsWith("uri=") ? path.substring(4) : path;
errorResponse.put("path", cleanPath);
return errorResponse;
}
}

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package com.company.auth.exception;
public class InvalidCredentialsException extends RuntimeException {
public InvalidCredentialsException(String message) {
super(message);
}
public InvalidCredentialsException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Invalid Email Exception
*
* Thrown when an invalid email address is provided or encountered.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when an invalid email address is encountered
*/
public class InvalidEmailException extends RuntimeException {
/**
* Constructs a new InvalidEmailException with the specified detail message.
*
* @param message the detail message
*/
public InvalidEmailException(String message) {
super(message);
}
/**
* Constructs a new InvalidEmailException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public InvalidEmailException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Invalid Registration Data Exception
*
* Thrown when invalid registration data is provided.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when invalid registration data is encountered
*/
public class InvalidRegistrationDataException extends RuntimeException {
/**
* Constructs a new InvalidRegistrationDataException with the specified detail message.
*
* @param message the detail message
*/
public InvalidRegistrationDataException(String message) {
super(message);
}
/**
* Constructs a new InvalidRegistrationDataException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public InvalidRegistrationDataException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/InvalidTokenException.java Normal file
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package com.company.auth.exception;
public class InvalidTokenException extends RuntimeException {
public InvalidTokenException(String message) {
super(message);
}
public InvalidTokenException(String message, Throwable cause) {
super(message, cause);
}
}

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/**
* Invalid Two Factor Code Exception
*
* Thrown when an invalid two-factor authentication code is provided.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when an invalid two-factor authentication code is encountered
*/
public class InvalidTwoFactorCodeException extends RuntimeException {
/**
* Constructs a new InvalidTwoFactorCodeException with the specified detail message.
*
* @param message the detail message
*/
public InvalidTwoFactorCodeException(String message) {
super(message);
}
/**
* Constructs a new InvalidTwoFactorCodeException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public InvalidTwoFactorCodeException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/InvalidUpdateDataException.java Normal file
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package com.company.auth.exception;
public class InvalidUpdateDataException extends RuntimeException {
public InvalidUpdateDataException(String message) {
super(message);
}
public InvalidUpdateDataException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/InvalidVerificationCodeException.java Normal file
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/**
* Invalid Verification Code Exception
*
* Thrown when an invalid verification code is provided during device verification.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when an invalid verification code is encountered
*/
public class InvalidVerificationCodeException extends RuntimeException {
/**
* Constructs a new InvalidVerificationCodeException with the specified detail message.
*
* @param message the detail message
*/
public InvalidVerificationCodeException(String message) {
super(message);
}
/**
* Constructs a new InvalidVerificationCodeException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public InvalidVerificationCodeException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/PasswordChangeException.java Normal file
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package com.company.auth.exception;
public class PasswordChangeException extends RuntimeException {
public PasswordChangeException(String message) {
super(message);
}
public PasswordChangeException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/ProfileUpdateException.java Normal file
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package com.company.auth.exception;
public class ProfileUpdateException extends RuntimeException {
public ProfileUpdateException(String message) {
super(message);
}
public ProfileUpdateException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/RegistrationException.java Normal file
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package com.company.auth.exception;
public class RegistrationException extends RuntimeException {
public RegistrationException(String message) {
super(message);
}
public RegistrationException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/SmsServiceException.java Normal file
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/**
* SMS Service Exception
*
* Custom exception for SMS service operations.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown by SmsService operations
*/
public class SmsServiceException extends RuntimeException {
public SmsServiceException(String message) {
super(message);
}
public SmsServiceException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/TokenExpiredException.java Normal file
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package com.company.auth.exception;
public class TokenExpiredException extends RuntimeException {
public TokenExpiredException(String message) {
super(message);
}
public TokenExpiredException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/TokenGenerationException.java Normal file
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package com.company.auth.exception;
public class TokenGenerationException extends RuntimeException {
public TokenGenerationException(String message) {
super(message);
}
public TokenGenerationException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/TokenRefreshException.java Normal file
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/**
* Token Refresh Exception
*
* Thrown when token refresh operation fails.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown when token refresh fails
*/
public class TokenRefreshException extends RuntimeException {
/**
* Constructs a new TokenRefreshException with the specified detail message.
*
* @param message the detail message
*/
public TokenRefreshException(String message) {
super(message);
}
/**
* Constructs a new TokenRefreshException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public TokenRefreshException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/TotpException.java Normal file
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/**
* TOTP Service Exception
*
* Custom exception for TOTP service operations.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown by TotpService operations
*/
public class TotpException extends RuntimeException {
public TotpException(String message) {
super(message);
}
public TotpException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/TwoFactorAuthException.java Normal file
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package com.company.auth.exception;
/**
* Exception thrown when two-factor authentication operations fail
*/
public class TwoFactorAuthException extends RuntimeException {
public TwoFactorAuthException(String message) {
super(message);
}
public TwoFactorAuthException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/TwoFactorException.java Normal file
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/**
* Two Factor Exception
*
* Generic exception for two-factor authentication related errors.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.exception;
/**
* Exception thrown for two-factor authentication related errors
*/
public class TwoFactorException extends RuntimeException {
/**
* Constructs a new TwoFactorException with the specified detail message.
*
* @param message the detail message
*/
public TwoFactorException(String message) {
super(message);
}
/**
* Constructs a new TwoFactorException with the specified detail message and cause.
*
* @param message the detail message
* @param cause the cause
*/
public TwoFactorException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/UserAlreadyExistsException.java Normal file
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package com.company.auth.exception;
public class UserAlreadyExistsException extends RuntimeException {
public UserAlreadyExistsException(String message) {
super(message);
}
public UserAlreadyExistsException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/UserNotFoundException.java Normal file
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package com.company.auth.exception;
/**
* Exception thrown when user is not found
*/
public class UserNotFoundException extends RuntimeException {
public UserNotFoundException(String message) {
super(message);
}
public UserNotFoundException(String message, Throwable cause) {
super(message, cause);
}
}

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src/main/java/com/company/auth/exception/WeakPasswordException.java Normal file
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package com.company.auth.exception;
public class WeakPasswordException extends RuntimeException {
public WeakPasswordException(String message) {
super(message);
}
}

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/**
* Trusted Device Repository
*
* JPA repository interface for TrustedDevice entity operations.
* Provides database access methods for device fingerprint management,
* risk assessment, and device trust verification.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.repository;
import com.company.auth.entity.TrustedDevice;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Optional;
/**
* Repository interface for TrustedDevice entity
*
* Extends JpaRepository to provide standard CRUD operations plus
* specialized query methods for device fingerprint matching,
* risk assessment, and device lifecycle management.
*/
@Repository
public interface TrustedDeviceRepository extends JpaRepository<TrustedDevice, Long> {
/**
* Find device by user and fingerprint hash
*
* Primary method for device verification during authentication.
* Used to check if a device is already trusted for a user.
*
* @param userId User ID
* @param fingerprintHash Device fingerprint hash
* @return Optional containing device if found, empty otherwise
*/
Optional<TrustedDevice> findByUserIdAndFingerprintHash(Long userId, String fingerprintHash);
/**
* Find all active devices for a user
*
* Returns all trusted devices that are currently active for a user.
* Used for device management and security overview.
*
* @param userId User ID
* @return List of active trusted devices
*/
List<TrustedDevice> findByUserIdAndIsActiveTrue(Long userId);
/**
* Find all devices for a user (active and inactive)
*
* Returns all devices associated with a user regardless of status.
* Used for comprehensive device history and management.
*
* @param userId User ID
* @return List of all user devices
*/
List<TrustedDevice> findByUserId(Long userId);
/**
* Find device by fingerprint hash across all users
*
* Used for global fingerprint analysis and duplicate detection.
* Helps identify potential security issues or shared devices.
*
* @param fingerprintHash Device fingerprint hash
* @return List of devices with matching fingerprint
*/
List<TrustedDevice> findByFingerprintHash(String fingerprintHash);
/**
* Find devices with high risk scores
*
* Returns devices with risk scores above a specified threshold.
* Used for security monitoring and risk assessment.
*
* @param riskThreshold Risk score threshold
* @return List of high-risk devices
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.riskScore >= :riskThreshold AND d.isActive = true")
List<TrustedDevice> findHighRiskDevices(@Param("riskThreshold") BigDecimal riskThreshold);
/**
* Find devices with low confidence scores
*
* Returns devices with fingerprint confidence below threshold.
* Used for identifying unreliable device fingerprints.
*
* @param confidenceThreshold Confidence score threshold
* @return List of low-confidence devices
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.confidenceScore < :confidenceThreshold AND d.isActive = true")
List<TrustedDevice> findLowConfidenceDevices(@Param("confidenceThreshold") BigDecimal confidenceThreshold);
/**
* Find stale devices not used recently
*
* Returns devices that haven't been used for authentication
* within a specified time period. Used for device cleanup.
*
* @param cutoffDate Date threshold for recent usage
* @return List of stale devices
*/
@Query("SELECT d FROM TrustedDevice d WHERE " +
"(d.lastUsedAt IS NULL AND d.createdAt < :cutoffDate) OR " +
"(d.lastUsedAt IS NOT NULL AND d.lastUsedAt < :cutoffDate)")
List<TrustedDevice> findStaleDevices(@Param("cutoffDate") LocalDateTime cutoffDate);
/**
* Find devices by IP address
*
* Returns devices that have been used from a specific IP address.
* Used for location-based security analysis.
*
* @param ipAddress IP address to search for
* @return List of devices used from the IP address
*/
List<TrustedDevice> findByIpAddress(String ipAddress);
/**
* Count active devices for a user
*
* Returns the number of active trusted devices for a user.
* Used for enforcing device limits and user statistics.
*
* @param userId User ID
* @return Number of active devices
*/
long countByUserIdAndIsActiveTrue(Long userId);
/**
* Find most recently used devices for a user
*
* Returns user's devices ordered by most recent usage.
* Limited to specified number of results.
*
* @param userId User ID
* @param limit Maximum number of devices to return
* @return List of recently used devices
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId AND d.isActive = true " +
"ORDER BY d.lastUsedAt DESC NULLS LAST")
List<TrustedDevice> findRecentlyUsedDevices(@Param("userId") Long userId);
/**
* Find devices created within date range
*
* Returns devices registered within a specific time period.
* Used for analytics and device registration trends.
*
* @param startDate Start of date range
* @param endDate End of date range
* @return List of devices created in date range
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.createdAt BETWEEN :startDate AND :endDate ORDER BY d.createdAt")
List<TrustedDevice> findByCreatedAtBetween(@Param("startDate") LocalDateTime startDate,
@Param("endDate") LocalDateTime endDate);
/**
* Find devices with similar fingerprints
*
* Advanced query to find devices with fingerprint hashes that
* are similar but not identical. Used for fuzzy device matching.
*
* @param userId User ID
* @param fingerprintPattern Pattern for fuzzy matching
* @return List of devices with similar fingerprints
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId AND d.isActive = true " +
"AND d.fingerprintHash LIKE :fingerprintPattern")
List<TrustedDevice> findSimilarFingerprints(@Param("userId") Long userId,
@Param("fingerprintPattern") String fingerprintPattern);
/**
* Update device usage statistics
*
* Efficiently updates device usage information without loading
* the full entity. Used during authentication process.
*
* @param deviceId Device ID to update
* @param ipAddress Current IP address
* @param userAgent Current user agent
* @param usageTime Current timestamp
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE TrustedDevice d SET " +
"d.usageCount = d.usageCount + 1, " +
"d.lastUsedAt = :usageTime, " +
"d.ipAddress = :ipAddress, " +
"d.userAgent = :userAgent " +
"WHERE d.id = :deviceId")
int updateDeviceUsage(@Param("deviceId") Long deviceId,
@Param("ipAddress") String ipAddress,
@Param("userAgent") String userAgent,
@Param("usageTime") LocalDateTime usageTime);
/**
* Update device risk score
*
* Updates the risk assessment score for a device.
* Used by risk calculation algorithms.
*
* @param deviceId Device ID to update
* @param riskScore New risk score
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE TrustedDevice d SET d.riskScore = :riskScore WHERE d.id = :deviceId")
int updateRiskScore(@Param("deviceId") Long deviceId, @Param("riskScore") BigDecimal riskScore);
/**
* Deactivate device
*
* Sets device status to inactive, removing it from trusted device list.
* Used for device revocation and security incidents.
*
* @param deviceId Device ID to deactivate
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE TrustedDevice d SET d.isActive = false WHERE d.id = :deviceId")
int deactivateDevice(@Param("deviceId") Long deviceId);
/**
* Deactivate all devices for a user
*
* Sets all user devices to inactive status. Used for account
* security incidents or user-requested device cleanup.
*
* @param userId User ID
* @return Number of affected rows
*/
@Query("UPDATE TrustedDevice d SET d.isActive = false WHERE d.userId = :userId")
int deactivateAllUserDevices(@Param("userId") Long userId);
/**
* Delete stale devices
*
* Permanently removes devices that haven't been used for
* an extended period. Used for database cleanup.
*
* @param cutoffDate Date threshold for deletion
* @return Number of deleted devices
*/
@Query("DELETE FROM TrustedDevice d WHERE " +
"(d.lastUsedAt IS NULL AND d.createdAt < :cutoffDate) OR " +
"(d.lastUsedAt IS NOT NULL AND d.lastUsedAt < :cutoffDate)")
int deleteStaleDevices(@Param("cutoffDate") LocalDateTime cutoffDate);
/**
* Find devices by user agent pattern
*
* Returns devices matching a specific user agent pattern.
* Used for browser/OS specific analysis and security monitoring.
*
* @param userAgentPattern User agent pattern to match
* @return List of devices with matching user agent
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userAgent LIKE :userAgentPattern AND d.isActive = true")
List<TrustedDevice> findByUserAgentPattern(@Param("userAgentPattern") String userAgentPattern);
/**
* Get device statistics for user
*
* Returns aggregated statistics about user's devices.
* Used for security dashboards and user analytics.
*
* @param userId User ID
* @return Array containing [total_devices, active_devices, avg_risk_score, avg_confidence]
*/
@Query("SELECT " +
"COUNT(d), " +
"SUM(CASE WHEN d.isActive = true THEN 1 ELSE 0 END), " +
"AVG(d.riskScore), " +
"AVG(d.confidenceScore) " +
"FROM TrustedDevice d WHERE d.userId = :userId")
Object[] getDeviceStatistics(@Param("userId") Long userId);
// Additional methods needed by services
/**
* Count active devices for user (Long version)
*/
@Query("SELECT COUNT(d) FROM TrustedDevice d WHERE d.userId = :userId AND d.isActive = :isActive")
long countByUserIdAndIsActive(@Param("userId") Long userId, @Param("isActive") boolean isActive);
/**
* Count trusted devices for user
*/
@Query("SELECT COUNT(d) FROM TrustedDevice d WHERE d.userId = :userId AND d.isTrusted = :isTrusted")
long countByUserIdAndIsTrusted(@Param("userId") Long userId, @Param("isTrusted") boolean isTrusted);
/**
* Find devices by user ordered by last seen
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId ORDER BY d.lastUsedAt DESC")
List<TrustedDevice> findByUserIdOrderByLastSeenAtDesc(@Param("userId") Long userId);
/**
* Find active devices by user ordered by last seen
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId AND d.isActive = :isActive ORDER BY d.lastUsedAt DESC")
List<TrustedDevice> findByUserIdAndIsActiveOrderByLastSeenAtDesc(@Param("userId") Long userId, @Param("isActive") boolean isActive);
/**
* Find device by ID and user
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.id = :id AND d.userId = :userId")
Optional<TrustedDevice> findByIdAndUserId(@Param("id") Long id, @Param("userId") Long userId);
/**
* Find active devices for user
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId AND d.isActive = :isActive")
List<TrustedDevice> findByUserIdAndIsActive(@Param("userId") Long userId, @Param("isActive") boolean isActive);
/**
* Find active devices by user ordered by last seen (alternative method name)
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId AND d.isActive = true ORDER BY d.lastUsedAt DESC")
List<TrustedDevice> findByUserIdAndIsActiveTrueOrderByLastSeenAtDesc(@Param("userId") Long userId);
/**
* Find device by user ID and last IP address
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId AND d.lastIpAddress = :ipAddress")
Optional<TrustedDevice> findByUserIdAndLastIpAddress(@Param("userId") Long userId, @Param("ipAddress") String ipAddress);
/**
* Find last login device for user
*/
@Query("SELECT d FROM TrustedDevice d WHERE d.userId = :userId ORDER BY d.lastUsedAt DESC LIMIT 1")
Optional<TrustedDevice> findLastLoginDevice(@Param("userId") Long userId);
}

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/**
* Two Factor Verification Repository
*
* JPA repository interface for TwoFactorVerification entity operations.
* Provides database access methods for managing two-factor authentication
* verification sessions and code validation workflows.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.repository;
import com.company.auth.entity.TwoFactorVerification;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Optional;
/**
* Repository interface for TwoFactorVerification entity
*
* Extends JpaRepository to provide standard CRUD operations plus
* specialized query methods for managing 2FA verification sessions,
* code validation, and session cleanup.
*/
@Repository
public interface TwoFactorVerificationRepository extends JpaRepository<TwoFactorVerification, Long> {
/**
* Find active verification session by ID and user
*
* Primary method for retrieving verification sessions during
* the 2FA process. Only returns sessions that are not used or blocked.
*
* @param id Verification session ID
* @param userId User ID
* @return Optional containing verification if found and active
*/
@Query("SELECT v FROM TwoFactorVerification v WHERE v.id = :id AND v.userId = :userId " +
"AND v.isUsed = false AND v.isBlocked = false")
Optional<TwoFactorVerification> findActiveVerification(@Param("id") Long id, @Param("userId") Long userId);
/**
* Find verification by code hash
*
* Used for code validation when the verification ID is not available.
* Returns only non-expired, non-used sessions.
*
* @param codeHash Hashed verification code
* @return Optional containing verification if found and valid
*/
@Query("SELECT v FROM TwoFactorVerification v WHERE v.codeHash = :codeHash " +
"AND v.isUsed = false AND v.isBlocked = false AND v.expiresAt > :now")
Optional<TwoFactorVerification> findByCodeHashAndNotExpired(@Param("codeHash") String codeHash,
@Param("now") LocalDateTime now);
/**
* Find all active verifications for a user
*
* Returns all non-expired, non-used verification sessions for a user.
* Used for managing concurrent verification attempts.
*
* @param userId User ID
* @return List of active verification sessions
*/
@Query("SELECT v FROM TwoFactorVerification v WHERE v.userId = :userId " +
"AND v.isUsed = false AND v.isBlocked = false AND v.expiresAt > :now " +
"ORDER BY v.createdAt DESC")
List<TwoFactorVerification> findActiveVerificationsByUser(@Param("userId") Long userId,
@Param("now") LocalDateTime now);
/**
* Find verification by user and active status
*
* Returns verification sessions by user ID and active status.
* Used for checking if user has active 2FA sessions.
*
* @param userId User ID
* @param isActive Active status filter
* @return Optional containing verification if found
*/
Optional<TwoFactorVerification> findByUserIdAndIsActive(Long userId, Boolean isActive);
/**
* Find verification sessions by method and user
*
* Returns verification sessions filtered by delivery method.
* Used for method-specific analytics and management.
*
* @param userId User ID
* @param method Verification method
* @return List of verification sessions for the method
*/
List<TwoFactorVerification> findByUserIdAndMethod(Long userId, TwoFactorVerification.Method method);
/**
* Find expired verification sessions
*
* Returns all verification sessions that have passed their expiration time.
* Used for cleanup processes and security monitoring.
*
* @param now Current timestamp
* @return List of expired verification sessions
*/
@Query("SELECT v FROM TwoFactorVerification v WHERE v.expiresAt <= :now")
List<TwoFactorVerification> findExpiredVerifications(@Param("now") LocalDateTime now);
/**
* Find blocked verification sessions
*
* Returns verification sessions that have been blocked due to
* too many failed attempts. Used for security analysis.
*
* @return List of blocked verification sessions
*/
List<TwoFactorVerification> findByIsBlockedTrue();
/**
* Find used verification sessions
*
* Returns verification sessions that have been successfully completed.
* Used for audit trails and success rate analysis.
*
* @return List of used verification sessions
*/
List<TwoFactorVerification> findByIsUsedTrue();
/**
* Find verifications created within date range
*
* Returns verification sessions created within a specific time period.
* Used for analytics and monitoring 2FA usage patterns.
*
* @param startDate Start of date range
* @param endDate End of date range
* @return List of verifications created in date range
*/
@Query("SELECT v FROM TwoFactorVerification v WHERE v.createdAt BETWEEN :startDate AND :endDate " +
"ORDER BY v.createdAt")
List<TwoFactorVerification> findByCreatedAtBetween(@Param("startDate") LocalDateTime startDate,
@Param("endDate") LocalDateTime endDate);
/**
* Find verifications by IP address
*
* Returns verification sessions initiated from a specific IP address.
* Used for location-based security analysis and fraud detection.
*
* @param ipAddress IP address to search for
* @return List of verifications from the IP address
*/
List<TwoFactorVerification> findByIpAddress(String ipAddress);
/**
* Count active verifications for user
*
* Returns the number of active verification sessions for a user.
* Used for preventing excessive concurrent verification attempts.
*
* @param userId User ID
* @param now Current timestamp
* @return Number of active verification sessions
*/
@Query("SELECT COUNT(v) FROM TwoFactorVerification v WHERE v.userId = :userId " +
"AND v.isUsed = false AND v.isBlocked = false AND v.expiresAt > :now")
long countActiveVerificationsByUser(@Param("userId") Long userId, @Param("now") LocalDateTime now);
/**
* Count verification attempts by IP address within time window
*
* Returns the number of verification attempts from an IP address
* within a specified time window. Used for rate limiting.
*
* @param ipAddress IP address to check
* @param since Time window start
* @return Number of verification attempts
*/
@Query("SELECT COUNT(v) FROM TwoFactorVerification v WHERE v.ipAddress = :ipAddress " +
"AND v.createdAt >= :since")
long countVerificationAttemptsByIpSince(@Param("ipAddress") String ipAddress,
@Param("since") LocalDateTime since);
/**
* Count verification attempts by user within time window
*
* Returns the number of verification attempts by a user
* within a specified time window. Used for user-based rate limiting.
*
* @param userId User ID
* @param since Time window start
* @return Number of verification attempts
*/
@Query("SELECT COUNT(v) FROM TwoFactorVerification v WHERE v.userId = :userId " +
"AND v.createdAt >= :since")
long countVerificationAttemptsByUserSince(@Param("userId") Long userId,
@Param("since") LocalDateTime since);
/**
* Find verification sessions ready for cleanup
*
* Returns verification sessions that are expired and can be safely deleted.
* Includes additional time buffer for audit purposes.
*
* @param cleanupThreshold Timestamp before which sessions can be deleted
* @return List of verification sessions ready for cleanup
*/
@Query("SELECT v FROM TwoFactorVerification v WHERE " +
"v.expiresAt < :cleanupThreshold AND " +
"(v.isUsed = true OR v.isBlocked = true)")
List<TwoFactorVerification> findVerificationsForCleanup(@Param("cleanupThreshold") LocalDateTime cleanupThreshold);
/**
* Update verification session attempts
*
* Increments the attempt counter and optionally blocks the session
* if maximum attempts are exceeded.
*
* @param verificationId Verification session ID
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE TwoFactorVerification v SET " +
"v.attempts = v.attempts + 1, " +
"v.isBlocked = CASE WHEN v.attempts + 1 >= v.maxAttempts THEN true ELSE v.isBlocked END " +
"WHERE v.id = :verificationId")
int incrementAttempts(@Param("verificationId") Long verificationId);
/**
* Mark verification as used
*
* Sets the verification session as successfully completed.
* Prevents code reuse and indicates device registration can proceed.
*
* @param verificationId Verification session ID
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE TwoFactorVerification v SET v.isUsed = true WHERE v.id = :verificationId")
int markAsUsed(@Param("verificationId") Long verificationId);
/**
* Block verification session
*
* Manually blocks a verification session for security reasons.
* Used when suspicious activity is detected.
*
* @param verificationId Verification session ID
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE TwoFactorVerification v SET v.isBlocked = true WHERE v.id = :verificationId")
int blockVerification(@Param("verificationId") Long verificationId);
/**
* Delete expired verification sessions
*
* Permanently removes expired verification sessions from database.
* Used for regular cleanup to maintain database performance.
*
* @param cleanupThreshold Timestamp before which sessions are deleted
* @return Number of deleted verification sessions
*/
@Query("DELETE FROM TwoFactorVerification v WHERE v.expiresAt < :cleanupThreshold")
int deleteExpiredVerifications(@Param("cleanupThreshold") LocalDateTime cleanupThreshold);
/**
* Delete all verification sessions for a user
*
* Removes all verification sessions associated with a user.
* Used when user account is deleted or for security cleanup.
*
* @param userId User ID
* @return Number of deleted verification sessions
*/
int deleteByUserId(Long userId);
/**
* Get verification statistics by method
*
* Returns aggregated statistics for different verification methods.
* Used for analytics and method effectiveness analysis.
*
* @param startDate Start of analysis period
* @param endDate End of analysis period
* @return List of arrays containing [method, total_count, success_count, block_count]
*/
@Query("SELECT " +
"v.method, " +
"COUNT(v), " +
"SUM(CASE WHEN v.isUsed = true THEN 1 ELSE 0 END), " +
"SUM(CASE WHEN v.isBlocked = true THEN 1 ELSE 0 END) " +
"FROM TwoFactorVerification v " +
"WHERE v.createdAt BETWEEN :startDate AND :endDate " +
"GROUP BY v.method")
List<Object[]> getVerificationStatisticsByMethod(@Param("startDate") LocalDateTime startDate,
@Param("endDate") LocalDateTime endDate);
/**
* Find recent verification failures for user
*
* Returns recent failed verification attempts for security monitoring.
* Used for detecting potential account compromise attempts.
*
* @param userId User ID
* @param since Time window start
* @return List of recent failed verification attempts
*/
@Query("SELECT v FROM TwoFactorVerification v WHERE v.userId = :userId " +
"AND v.createdAt >= :since AND v.isBlocked = true " +
"ORDER BY v.createdAt DESC")
List<TwoFactorVerification> findRecentFailuresByUser(@Param("userId") Long userId,
@Param("since") LocalDateTime since);
}

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/**
* User Repository
*
* JPA repository interface for User entity operations.
* Provides database access methods for user authentication,
* registration, and profile management.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.repository;
import com.company.auth.entity.User;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Optional;
/**
* Repository interface for User entity
*
* Extends JpaRepository to provide standard CRUD operations plus
* custom query methods for authentication and user management.
* All methods are automatically implemented by Spring Data JPA.
*/
@Repository
public interface UserRepository extends JpaRepository<User, Long> {
/**
* Find user by email address
*
* Primary method for user authentication and login.
* Email addresses are unique in the system.
*
* @param email User's email address
* @return Optional containing user if found, empty otherwise
*/
Optional<User> findByEmail(String email);
/**
* Find user by email (case-insensitive)
*
* Alternative lookup method that handles case variations
* in email addresses for better user experience.
*
* @param email User's email address (any case)
* @return Optional containing user if found, empty otherwise
*/
Optional<User> findByEmailIgnoreCase(String email);
/**
* Check if user exists by email
*
* Efficient method to verify email uniqueness during registration
* without loading the full user entity.
*
* @param email Email address to check
* @return true if user with email exists, false otherwise
*/
boolean existsByEmail(String email);
/**
* Check if user exists by email (case-insensitive)
*
* Case-insensitive version for email uniqueness validation.
*
* @param email Email address to check (any case)
* @return true if user with email exists, false otherwise
*/
boolean existsByEmailIgnoreCase(String email);
/**
* Find all active users
*
* Returns only users with active account status.
* Used for administrative functions and user management.
*
* @return List of active users
*/
List<User> findByIsActiveTrue();
/**
* Find all inactive users
*
* Returns users with inactive account status.
* Used for account cleanup and administrative review.
*
* @return List of inactive users
*/
List<User> findByIsActiveFalse();
/**
* Find users by email verification status
*
* Returns users based on their email verification status.
* Used for email verification campaigns and account management.
*
* @param emailVerified Email verification status
* @return List of users with specified verification status
*/
List<User> findByEmailVerified(Boolean emailVerified);
/**
* Find users who haven't logged in recently
*
* Identifies inactive users for account cleanup or re-engagement.
* Users with null lastLoginAt are considered as never logged in.
*
* @param cutoffDate Date threshold for recent login
* @return List of users who haven't logged in since cutoff date
*/
@Query("SELECT u FROM User u WHERE u.lastLoginAt IS NULL OR u.lastLoginAt < :cutoffDate")
List<User> findUsersNotLoggedInSince(@Param("cutoffDate") LocalDateTime cutoffDate);
/**
* Find recently registered users
*
* Returns users who registered after a specific date.
* Used for new user onboarding and analytics.
*
* @param sinceDate Date threshold for recent registration
* @return List of recently registered users
*/
@Query("SELECT u FROM User u WHERE u.createdAt >= :sinceDate ORDER BY u.createdAt DESC")
List<User> findRecentlyRegisteredUsers(@Param("sinceDate") LocalDateTime sinceDate);
/**
* Find users by partial name match
*
* Searches users by first name or last name containing the search term.
* Used for user search functionality in administrative interfaces.
*
* @param searchTerm Partial name to search for
* @return List of users matching search criteria
*/
@Query("SELECT u FROM User u WHERE " +
"LOWER(u.firstName) LIKE LOWER(CONCAT('%', :searchTerm, '%')) OR " +
"LOWER(u.lastName) LIKE LOWER(CONCAT('%', :searchTerm, '%'))")
List<User> findByNameContaining(@Param("searchTerm") String searchTerm);
/**
* Find users with specific role
*
* Searches users whose roles JSON contains the specified role.
* Used for role-based user management and permissions.
*
* @param role Role to search for
* @return List of users with the specified role
*/
@Query(value = "SELECT * FROM users u WHERE JSON_CONTAINS(u.roles, JSON_QUOTE(?1))", nativeQuery = true)
List<User> findByRole(@Param("role") String role);
/**
* Count active users
*
* Returns the total number of active user accounts.
* Used for dashboard metrics and system monitoring.
*
* @return Number of active users
*/
long countByIsActiveTrue();
/**
* Count verified users
*
* Returns the total number of email-verified users.
* Used for user engagement metrics and email campaign effectiveness.
*
* @return Number of verified users
*/
long countByEmailVerifiedTrue();
/**
* Find users created between dates
*
* Returns users who registered within a specific date range.
* Used for analytics and reporting on user growth.
*
* @param startDate Start of date range
* @param endDate End of date range
* @return List of users created in date range
*/
@Query("SELECT u FROM User u WHERE u.createdAt BETWEEN :startDate AND :endDate ORDER BY u.createdAt")
List<User> findByCreatedAtBetween(@Param("startDate") LocalDateTime startDate,
@Param("endDate") LocalDateTime endDate);
/**
* Update user last login timestamp
*
* Efficiently updates only the last login timestamp without
* loading the full entity. Used during authentication process.
*
* @param userId User ID to update
* @param loginTime New login timestamp
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE User u SET u.lastLoginAt = :loginTime WHERE u.id = :userId")
int updateLastLoginAt(@Param("userId") Long userId, @Param("loginTime") LocalDateTime loginTime);
/**
* Update user email verification status
*
* Efficiently updates email verification status without loading
* the full entity. Used during email verification process.
*
* @param userId User ID to update
* @param verified New verification status
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE User u SET u.emailVerified = :verified WHERE u.id = :userId")
int updateEmailVerificationStatus(@Param("userId") Long userId, @Param("verified") Boolean verified);
/**
* Deactivate user account
*
* Sets user account to inactive status. Used for account
* suspension or user-requested account deactivation.
*
* @param userId User ID to deactivate
* @return Number of affected rows (should be 1 for success)
*/
@Query("UPDATE User u SET u.isActive = false WHERE u.id = :userId")
int deactivateUser(@Param("userId") Long userId);
/**
* Search users with pagination
*
* Searches users by name or email with pagination support.
* Used for administrative user management interfaces.
*
* @param searchTerm Search term for name or email
* @param pageable Pagination parameters
* @return Page of users matching search criteria
*/
@Query("SELECT u FROM User u WHERE " +
"LOWER(u.firstName) LIKE LOWER(CONCAT('%', :searchTerm, '%')) OR " +
"LOWER(u.lastName) LIKE LOWER(CONCAT('%', :searchTerm, '%')) OR " +
"LOWER(u.email) LIKE LOWER(CONCAT('%', :searchTerm, '%'))")
org.springframework.data.domain.Page<User> searchUsers(@Param("searchTerm") String searchTerm,
org.springframework.data.domain.Pageable pageable);
}

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/**
* JWT Authentication Entry Point
*
* Handles authentication errors for JWT-based security.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.security;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* JWT Authentication Entry Point
*
* Handles authentication failures and returns standardized error responses.
*/
@Component
public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {
private static final Logger logger = LoggerFactory.getLogger(JwtAuthenticationEntryPoint.class);
private final ObjectMapper objectMapper = new ObjectMapper();
/**
* Handles authentication entry point
*
* @param request HTTP request
* @param response HTTP response
* @param authException Authentication exception
* @throws IOException if response writing fails
*/
@Override
public void commence(HttpServletRequest request, HttpServletResponse response,
AuthenticationException authException) throws IOException {
logger.warn("Authentication failed for request: {} {}, Error: {}",
request.getMethod(), request.getRequestURI(), authException.getMessage());
// Prepare error response
Map<String, Object> errorResponse = new HashMap<>();
errorResponse.put("timestamp", LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
errorResponse.put("status", HttpStatus.UNAUTHORIZED.value());
errorResponse.put("error", "Unauthorized");
errorResponse.put("message", "Authentication required");
errorResponse.put("path", request.getRequestURI());
// Add specific error details based on exception type
String errorDetail = getErrorDetail(authException);
if (errorDetail != null) {
errorResponse.put("detail", errorDetail);
}
// Set response properties
response.setStatus(HttpStatus.UNAUTHORIZED.value());
response.setContentType(MediaType.APPLICATION_JSON_VALUE);
response.setCharacterEncoding("UTF-8");
// Add security headers
response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
response.setHeader("Pragma", "no-cache");
response.setHeader("Expires", "0");
// Write error response
response.getWriter().write(objectMapper.writeValueAsString(errorResponse));
}
/**
* Gets specific error details based on exception type
*
* @param authException Authentication exception
* @return Error detail message
*/
private String getErrorDetail(AuthenticationException authException) {
String message = authException.getMessage();
if (message == null) {
return "Authentication failed";
}
// Map common authentication error messages
if (message.contains("JWT expired")) {
return "Token has expired";
} else if (message.contains("JWT signature")) {
return "Invalid token signature";
} else if (message.contains("JWT malformed")) {
return "Malformed token";
} else if (message.contains("JWT token compact")) {
return "Invalid token format";
} else if (message.contains("Full authentication is required")) {
return "Authentication token is required";
} else if (message.contains("Access Denied")) {
return "Insufficient permissions";
}
// Return generic message for security
return "Authentication failed";
}
}

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/**
* JWT Authentication Filter
*
* Servlet filter for JWT token authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.security;
import com.company.auth.service.JwtTokenService;
import com.company.auth.service.UserService;
import com.company.auth.entity.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.lang.NonNull;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* JWT Authentication Filter
*
* Processes JWT tokens from request headers and sets up Spring Security context.
*/
@Component
public class JwtAuthenticationFilter extends OncePerRequestFilter {
private static final Logger logger = LoggerFactory.getLogger(JwtAuthenticationFilter.class);
private static final String AUTHORIZATION_HEADER = "Authorization";
private static final String BEARER_PREFIX = "Bearer ";
@Autowired
private JwtTokenService jwtTokenService;
@Autowired
private UserService userService;
/**
* Filters incoming requests for JWT authentication
*
* @param request HTTP request
* @param response HTTP response
* @param filterChain Filter chain
* @throws ServletException if filter processing fails
* @throws IOException if I/O error occurs
*/
@Override
protected void doFilterInternal(@NonNull HttpServletRequest request,
@NonNull HttpServletResponse response,
@NonNull FilterChain filterChain) throws ServletException, IOException {
try {
// Extract JWT token from request
String jwt = extractJwtFromRequest(request);
if (jwt != null && SecurityContextHolder.getContext().getAuthentication() == null) {
// Validate and process JWT token
processJwtToken(jwt, request);
}
} catch (Exception e) {
logger.error("Cannot set user authentication in security context", e);
// Don't throw exception here - let the request proceed to be handled by AuthenticationEntryPoint
}
filterChain.doFilter(request, response);
}
/**
* Extracts JWT token from Authorization header
*
* @param request HTTP request
* @return JWT token or null if not found
*/
private String extractJwtFromRequest(HttpServletRequest request) {
String authorizationHeader = request.getHeader(AUTHORIZATION_HEADER);
if (authorizationHeader != null && authorizationHeader.startsWith(BEARER_PREFIX)) {
return authorizationHeader.substring(BEARER_PREFIX.length());
}
return null;
}
/**
* Processes JWT token and sets up authentication context
*
* @param jwt JWT token
* @param request HTTP request
*/
private void processJwtToken(String jwt, HttpServletRequest request) {
try {
// Validate token and get user ID
Long userId = jwtTokenService.validateAccessToken(jwt);
if (userId == null) {
logger.debug("Invalid JWT token");
return;
}
// Extract user information from token
String email = jwtTokenService.getEmailFromToken(jwt);
if (email != null && userId != null) {
// Load user details
UserDetails userDetails = userService.loadUserByUsername(email);
// Verify user still exists and is enabled
if (userDetails instanceof User) {
User user = (User) userDetails;
// Additional security checks
if (!user.getId().equals(userId)) {
logger.warn("Token user ID mismatch for email: {}", email);
return;
}
if (!user.isEnabled()) {
logger.warn("Disabled user attempted access: {}", email);
return;
}
if (!user.isAccountNonLocked()) {
logger.warn("Locked user attempted access: {}", email);
return;
}
}
// Create authentication token
UsernamePasswordAuthenticationToken authentication =
new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
// Set authentication in security context
SecurityContextHolder.getContext().setAuthentication(authentication);
logger.debug("Successfully authenticated user: {}", email);
}
} catch (Exception e) {
logger.error("Error processing JWT token", e);
}
}
/**
* Determines if the filter should be applied to the request
*
* @param request HTTP request
* @return false to apply filter to all requests
*/
@Override
protected boolean shouldNotFilter(HttpServletRequest request) {
// Apply filter to all requests - let the security configuration handle authorization
return false;
}
}

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/**
* Authentication Service
*
* Core service for user authentication, registration, and session management.
* Handles login flows, device verification, two-factor authentication,
* and security risk assessment.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.dto.request.*;
import com.company.auth.dto.response.*;
import com.company.auth.entity.*;
import com.company.auth.repository.*;
import com.company.auth.exception.*;
import com.company.auth.util.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.time.LocalDateTime;
import java.util.*;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Authentication Service Implementation
*
* Provides comprehensive authentication services including:
* - User registration and login
* - Device fingerprinting and trust management
* - Two-factor authentication
* - Security risk assessment
* - Session and token management
*/
@Service
@Transactional
public class AuthService {
private static final Logger logger = LoggerFactory.getLogger(AuthService.class);
// Maximum failed login attempts before account lockout
private static final int MAX_FAILED_ATTEMPTS = 5;
// Session timeout for incomplete authentication (minutes)
private static final int SESSION_TIMEOUT_MINUTES = 15;
// Device verification timeout (minutes)
private static final int DEVICE_VERIFICATION_TIMEOUT = 10;
@Autowired
private UserRepository userRepository;
@Autowired
private TrustedDeviceRepository trustedDeviceRepository;
@Autowired
private TwoFactorVerificationRepository twoFactorRepository;
@Autowired
private PasswordEncoder passwordEncoder;
@Autowired
private DeviceFingerprintService deviceFingerprintService;
@Autowired
private TwoFactorService twoFactorService;
@Autowired
private JwtTokenService jwtTokenService;
@Autowired
private EmailService emailService;
@Autowired
private SmsService smsService;
@Autowired
private SecurityService securityService;
/**
* Registers a new user account
*
* @param request Registration request data
* @param ipAddress Client IP address
* @param userAgent Client user agent
* @return Authentication response with tokens or verification requirements
* @throws UserAlreadyExistsException if user with email already exists
* @throws InvalidRegistrationDataException if registration data is invalid
*/
public AuthResponse register(RegisterRequest request, String ipAddress, String userAgent) {
logger.info("Attempting user registration for email: {}", request.getEmail());
// Validate request data
validateRegistrationRequest(request);
// Check if user already exists
if (userRepository.findByEmail(request.getEmail()).isPresent()) {
throw new UserAlreadyExistsException("User with email already exists: " + request.getEmail());
}
try {
// Create new user entity
User user = createUserFromRequest(request, ipAddress);
// Save user to database
user = userRepository.save(user);
logger.info("User registered successfully with ID: {}", user.getId());
// Process device fingerprint if provided
TrustedDevice device = null;
if (request.getDeviceFingerprint() != null) {
device = deviceFingerprintService.processDeviceFingerprint(
user, request.getDeviceFingerprint(), ipAddress, userAgent);
}
// Check if verification is required
boolean requiresEmailVerification = !user.getEmailVerified();
boolean requiresDeviceVerification = device != null && !device.getIsTrusted();
if (requiresEmailVerification) {
// Send email verification
emailService.sendEmailVerification(user);
}
if (requiresDeviceVerification) {
// Send device verification
String sessionToken = jwtTokenService.generateSessionToken(user.getId(), device.getId());
emailService.sendDeviceVerificationCode(user, device);
AuthResponse response = AuthResponse.requireDeviceVerification(sessionToken);
response.setIpAddress(ipAddress);
return response;
}
// Generate authentication tokens
String accessToken = jwtTokenService.generateAccessToken(user);
String refreshToken = jwtTokenService.generateRefreshToken(user);
LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(jwtTokenService.getAccessTokenExpirationMinutes());
// Update user login information
updateUserLoginInfo(user, ipAddress, userAgent);
// Create success response
AuthResponse response = AuthResponse.success(accessToken, refreshToken, expiresAt, UserResponse.fromEntity(user));
response.setIpAddress(ipAddress);
response.setIsNewDevice(device != null);
if (device != null) {
response.setDeviceTrustStatus(device.getTrustStatus());
}
logger.info("Registration completed successfully for user: {}", user.getId());
return response;
} catch (Exception e) {
logger.error("Registration failed for email: {}", request.getEmail(), e);
throw new RegistrationException("Registration failed: " + e.getMessage(), e);
} finally {
// Clear sensitive data
request.clearSensitiveData();
}
}
/**
* Authenticates a user login attempt
*
* @param request Login request data
* @param ipAddress Client IP address
* @param userAgent Client user agent
* @return Authentication response with tokens or verification requirements
* @throws InvalidCredentialsException if credentials are invalid
* @throws AccountLockedException if account is locked
* @throws AccountDisabledException if account is disabled
*/
public AuthResponse login(LoginRequest request, String ipAddress, String userAgent) {
logger.info("Attempting login for email: {}", request.getEmail());
try {
// Find user by email
User user = userRepository.findByEmail(request.getEmail())
.orElseThrow(() -> new InvalidCredentialsException("Invalid email or password"));
// Check account status
validateAccountStatus(user);
// Verify password
if (!passwordEncoder.matches(request.getPassword(), user.getPasswordHash())) {
handleFailedLoginAttempt(user, ipAddress);
throw new InvalidCredentialsException("Invalid email or password");
}
// Reset failed attempts on successful password verification
if (user.getFailedLoginAttempts() > 0) {
user.setFailedLoginAttempts(0);
user.setLockedUntil(null);
userRepository.save(user);
}
// Process device fingerprint
DeviceAuthResult deviceResult = processDeviceAuthentication(
user, request.getFingerprint(), ipAddress, userAgent);
// Check if 2FA is required
boolean requires2FA = user.getTwoFactorEnabled() && !deviceResult.isTrustedFor2FA();
// Check if device verification is required
boolean requiresDeviceVerification = !deviceResult.isTrusted();
// Handle multi-step authentication
if (requires2FA || requiresDeviceVerification) {
String sessionToken = jwtTokenService.generateSessionToken(user.getId(), deviceResult.getDeviceId());
if (requiresDeviceVerification) {
// Send device verification code
emailService.sendDeviceVerificationCode(user, deviceResult.getDevice());
AuthResponse response = AuthResponse.requireDeviceVerification(sessionToken);
response.setIpAddress(ipAddress);
response.setIsNewDevice(deviceResult.isNewDevice());
return response;
}
if (requires2FA) {
// Determine available 2FA methods
List<TwoFactorMethod> availableMethods = twoFactorService.getAvailableMethods(user);
// Send 2FA code if SMS is preferred
if (TwoFactorMethod.SMS.name().equals(user.getTwoFactorMethod())) {
twoFactorService.sendSmsCode(user);
}
AuthResponse response = AuthResponse.requireTwoFactor(sessionToken,
availableMethods.stream().map(Enum::name).toArray(String[]::new));
response.setIpAddress(ipAddress);
response.setIsNewDevice(deviceResult.isNewDevice());
return response;
}
}
// Complete authentication
return completeAuthentication(user, deviceResult, ipAddress, userAgent);
} catch (AuthenticationException e) {
logger.warn("Authentication failed for email: {} - {}", request.getEmail(), e.getMessage());
throw e;
} catch (Exception e) {
logger.error("Unexpected error during login for email: {}", request.getEmail(), e);
throw new AuthenticationException("Login failed due to system error", e);
} finally {
// Clear sensitive data
request.clearSensitiveData();
}
}
/**
* Verifies a device using verification code
*
* @param request Device verification request
* @param ipAddress Client IP address
* @param userAgent Client user agent
* @return Authentication response
* @throws InvalidVerificationCodeException if code is invalid
* @throws VerificationExpiredException if verification has expired
*/
public AuthResponse verifyDevice(DeviceVerificationRequest request, String ipAddress, String userAgent) {
logger.info("Attempting device verification for email: {}", request.getEmail());
try {
// Validate session token
Long userId = jwtTokenService.validateSessionToken(request.getSessionToken());
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
// Find the device verification record
Optional<TrustedDevice> deviceOpt = trustedDeviceRepository.findByIdAndUserId(
Long.parseLong(request.getDeviceId()), user.getId());
if (deviceOpt.isEmpty()) {
throw new DeviceNotFoundException("Device not found");
}
TrustedDevice device = deviceOpt.get();
// Verify the code
boolean codeValid = deviceFingerprintService.verifyDeviceCode(device, request.getCode());
if (!codeValid) {
device.setFailedAttempts(device.getFailedAttempts() + 1);
trustedDeviceRepository.save(device);
throw new InvalidVerificationCodeException("Invalid verification code");
}
// Mark device as trusted if requested
if (Boolean.TRUE.equals(request.getTrustDevice())) {
deviceFingerprintService.trustDevice(device, request.getRememberForDays());
}
// Update device information
if (request.getDeviceName() != null) {
device.setDeviceName(request.getDeviceName());
}
device.setLastSeenAt(LocalDateTime.now());
device.setLastIpAddress(ipAddress);
trustedDeviceRepository.save(device);
// Check if 2FA is still required
if (user.getTwoFactorEnabled() && !deviceFingerprintService.isTrustedFor2FA(device)) {
String sessionToken = jwtTokenService.generateSessionToken(user.getId(), device.getId());
List<TwoFactorMethod> availableMethods = twoFactorService.getAvailableMethods(user);
AuthResponse response = AuthResponse.requireTwoFactor(sessionToken,
availableMethods.stream().map(Enum::name).toArray(String[]::new));
response.setIpAddress(ipAddress);
return response;
}
// Complete authentication
DeviceAuthResult deviceResult = new DeviceAuthResult(device, false, true, true);
return completeAuthentication(user, deviceResult, ipAddress, userAgent);
} catch (AuthenticationException e) {
logger.warn("Device verification failed: {}", e.getMessage());
throw e;
} catch (Exception e) {
logger.error("Unexpected error during device verification", e);
throw new DeviceVerificationException("Device verification failed", e);
} finally {
request.clearSensitiveData();
}
}
/**
* Verifies two-factor authentication code
*
* @param request 2FA verification request
* @param ipAddress Client IP address
* @param userAgent Client user agent
* @return Authentication response with tokens
* @throws InvalidTwoFactorCodeException if 2FA code is invalid
* @throws TwoFactorExpiredException if 2FA has expired
*/
public AuthResponse verifyTwoFactor(TwoFactorAuthRequest request, String ipAddress, String userAgent) {
logger.info("Attempting 2FA verification for email: {}", request.getEmail());
try {
// Validate session token
Long userId = jwtTokenService.validateSessionToken(request.getSessionToken());
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
// Verify 2FA code
boolean codeValid;
if (Boolean.TRUE.equals(request.getIsRecoveryCode())) {
codeValid = twoFactorService.verifyRecoveryCode(user, request.getCode());
} else {
codeValid = twoFactorService.verifyCode(user, request.getCode(), request.getMethod());
}
if (!codeValid) {
// Log failed 2FA attempt
twoFactorService.logFailedAttempt(user, request.getMethod(), ipAddress);
throw new InvalidTwoFactorCodeException("Invalid 2FA code");
}
// Find or create device
TrustedDevice device = findOrCreateDevice(user, ipAddress, userAgent);
// Mark device as 2FA trusted if requested
if (Boolean.TRUE.equals(request.getRememberDevice()) && device != null) {
deviceFingerprintService.trustDeviceFor2FA(device, request.getTrustDurationDays());
}
// Complete authentication
DeviceAuthResult deviceResult = new DeviceAuthResult(device, false, true, true);
return completeAuthentication(user, deviceResult, ipAddress, userAgent);
} catch (AuthenticationException e) {
logger.warn("2FA verification failed: {}", e.getMessage());
throw e;
} catch (Exception e) {
logger.error("Unexpected error during 2FA verification", e);
throw new TwoFactorException("2FA verification failed", e);
} finally {
request.clearSensitiveData();
}
}
/**
* Refreshes authentication tokens
*
* @param refreshToken Refresh token
* @param ipAddress Client IP address
* @return New authentication tokens
* @throws InvalidTokenException if refresh token is invalid
* @throws TokenExpiredException if refresh token is expired
*/
public AuthResponse refreshToken(String refreshToken, String ipAddress) {
logger.debug("Attempting token refresh");
try {
// Validate refresh token
Long userId = jwtTokenService.validateRefreshToken(refreshToken);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
// Check account status
validateAccountStatus(user);
// Generate new tokens
String newAccessToken = jwtTokenService.generateAccessToken(user);
String newRefreshToken = jwtTokenService.generateRefreshToken(user);
LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(jwtTokenService.getAccessTokenExpirationMinutes());
// Invalidate old refresh token
jwtTokenService.invalidateRefreshToken(refreshToken);
AuthResponse response = new AuthResponse(newAccessToken, newRefreshToken, expiresAt, UserResponse.minimal(user));
response.setIpAddress(ipAddress);
logger.debug("Token refresh successful for user: {}", user.getId());
return response;
} catch (AuthenticationException e) {
logger.warn("Token refresh failed: {}", e.getMessage());
throw e;
} catch (Exception e) {
logger.error("Unexpected error during token refresh", e);
throw new TokenRefreshException("Token refresh failed", e);
}
}
/**
* Logs out a user and invalidates tokens
*
* @param accessToken Access token to invalidate
* @param refreshToken Refresh token to invalidate (optional)
* @param ipAddress Client IP address
*/
public void logout(String accessToken, String refreshToken, String ipAddress) {
logger.info("Processing logout request from IP: {}", ipAddress);
try {
// Validate and get user from access token
Long userId = jwtTokenService.validateAccessToken(accessToken);
// Invalidate tokens
jwtTokenService.invalidateAccessToken(accessToken);
if (refreshToken != null) {
jwtTokenService.invalidateRefreshToken(refreshToken);
}
// Update user's last activity
userRepository.findById(userId)
.ifPresent(user -> {
user.setLastActivity(LocalDateTime.now());
userRepository.save(user);
});
logger.info("Logout successful for user: {}", userId);
} catch (Exception e) {
logger.warn("Error during logout: {}", e.getMessage());
// Don't throw exception for logout failures
}
}
/**
* Log out from all devices
*/
public void logoutFromAllDevices(String accessToken, String ipAddress) {
try {
// Validate token and get user
Long userId = jwtTokenService.validateAccessToken(accessToken);
// Invalidate all tokens for this user
jwtTokenService.invalidateAllTokensForUser(userId);
// Update user's last activity
userRepository.findById(userId)
.ifPresent(user -> {
user.setLastActivity(LocalDateTime.now());
userRepository.save(user);
});
logger.info("User {} logged out from all devices from IP: {}", userId, ipAddress);
} catch (Exception e) {
logger.error("Logout from all devices failed: {}", e.getMessage());
throw new AuthenticationException("Logout from all devices failed");
}
}
/**
* Resend device verification code
*/
public void resendDeviceVerification(String sessionToken, String ipAddress) {
try {
// Validate session token
Long userId = jwtTokenService.validateSessionToken(sessionToken);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
// Find pending device verification
// Implementation would depend on how device verification is tracked
logger.info("Device verification code resent for user: {} from IP: {}", userId, ipAddress);
} catch (Exception e) {
logger.error("Resend device verification failed: {}", e.getMessage());
throw new AuthenticationException("Resend device verification failed");
}
}
/**
* Resend two-factor authentication code
*/
public void resendTwoFactorCode(String sessionToken, String ipAddress) {
try {
// Validate session token
Long userId = jwtTokenService.validateSessionToken(sessionToken);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
// Resend 2FA code via SMS if enabled
if (user.getTwoFactorEnabled()) {
twoFactorService.sendSmsCode(user);
}
logger.info("2FA code resent for user: {} from IP: {}", userId, ipAddress);
} catch (Exception e) {
logger.error("Resend 2FA code failed: {}", e.getMessage());
throw new AuthenticationException("Resend 2FA code failed");
}
}
// Private helper methods
private void validateRegistrationRequest(RegisterRequest request) {
if (!request.isPasswordMatching()) {
throw new InvalidRegistrationDataException("Passwords do not match");
}
// Additional business validation can be added here
securityService.validatePasswordStrength(request.getPassword());
securityService.validateEmailDomain(request.getEmail());
}
private User createUserFromRequest(RegisterRequest request, String ipAddress) {
User user = new User();
user.setName(request.getName());
user.setEmail(request.getEmail().toLowerCase());
user.setPasswordHash(passwordEncoder.encode(request.getPassword()));
user.setPhoneNumber(request.getPhoneNumber());
user.setLanguage(request.getLanguage());
user.setTimezone(request.getTimezone());
user.setMarketingOptIn(Boolean.TRUE.equals(request.getAcceptMarketing()));
user.setRegistrationSource(request.getSource());
user.setRegistrationIp(ipAddress);
user.setStatus(UserStatus.ACTIVE.name());
user.setRole(UserRole.USER.name());
user.setEmailVerified(false);
user.setPhoneVerified(false);
user.setTwoFactorEnabled(false);
user.setFailedLoginAttempts(0);
user.setCreatedAt(LocalDateTime.now());
user.setUpdatedAt(LocalDateTime.now());
return user;
}
private void validateAccountStatus(User user) {
if (UserStatus.DISABLED.name().equals(user.getStatus())) {
throw new AccountDisabledException("Account is disabled");
}
if (UserStatus.SUSPENDED.name().equals(user.getStatus())) {
throw new AccountSuspendedException("Account is suspended");
}
if (user.getLockedUntil() != null && LocalDateTime.now().isBefore(user.getLockedUntil())) {
throw new AccountLockedException("Account is temporarily locked");
}
}
private void handleFailedLoginAttempt(User user, String ipAddress) {
int attempts = user.getFailedLoginAttempts() + 1;
user.setFailedLoginAttempts(attempts);
if (attempts >= MAX_FAILED_ATTEMPTS) {
user.setLockedUntil(LocalDateTime.now().plusMinutes(30)); // Lock for 30 minutes
logger.warn("Account locked due to failed attempts: {} from IP: {}", user.getEmail(), ipAddress);
// Send security alert
emailService.sendSecurityAlert(user, "Account Locked",
"Your account has been temporarily locked due to multiple failed login attempts from IP: " + ipAddress);
}
userRepository.save(user);
}
private DeviceAuthResult processDeviceAuthentication(User user, DeviceFingerprintRequest fingerprint,
String ipAddress, String userAgent) {
if (fingerprint == null) {
// No fingerprint provided, create minimal device record
TrustedDevice device = deviceFingerprintService.createMinimalDevice(user, ipAddress, userAgent);
return new DeviceAuthResult(device, true, false, false);
}
DeviceFingerprintService.DeviceAuthResult result = deviceFingerprintService.authenticateDevice(user, fingerprint, ipAddress, userAgent);
return new DeviceAuthResult(result.getDevice(), result.isNewDevice(), result.isTrusted(), result.isTrustedFor2FA());
}
private TrustedDevice findOrCreateDevice(User user, String ipAddress, String userAgent) {
// Try to find existing device by IP and basic characteristics
Optional<TrustedDevice> existingDevice = trustedDeviceRepository
.findByUserIdAndLastIpAddress(user.getId(), ipAddress);
if (existingDevice.isPresent()) {
return existingDevice.get();
}
// Create new minimal device record
return deviceFingerprintService.createMinimalDevice(user, ipAddress, userAgent);
}
private AuthResponse completeAuthentication(User user, DeviceAuthResult deviceResult,
String ipAddress, String userAgent) {
// Generate authentication tokens
String accessToken = jwtTokenService.generateAccessToken(user);
String refreshToken = jwtTokenService.generateRefreshToken(user);
LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(jwtTokenService.getAccessTokenExpirationMinutes());
// Update user login information
updateUserLoginInfo(user, ipAddress, userAgent);
// Update device last seen
if (deviceResult.getDevice() != null) {
TrustedDevice device = deviceResult.getDevice();
device.setLastSeenAt(LocalDateTime.now());
device.setLastIpAddress(ipAddress);
device.setLoginCount(device.getLoginCount() + 1);
trustedDeviceRepository.save(device);
}
// Create response
AuthResponse response = AuthResponse.success(accessToken, refreshToken, expiresAt, UserResponse.fromEntity(user));
response.setIpAddress(ipAddress);
response.setIsNewDevice(deviceResult.isNewDevice());
if (deviceResult.getDevice() != null) {
response.setDeviceTrustStatus(deviceResult.getDevice().getTrustStatus());
}
// Add security information
response.setSecurityAlertsCount(securityService.getPendingAlertsCount(user));
// Add last login information
Optional<TrustedDevice> lastDevice = trustedDeviceRepository.findLastLoginDevice(user.getId());
if (lastDevice.isPresent() && !lastDevice.get().getId().equals(deviceResult.getDeviceId())) {
TrustedDevice lastLoginDevice = lastDevice.get();
AuthResponse.LastLoginInfo lastLogin = new AuthResponse.LastLoginInfo(
lastLoginDevice.getLastSeenAt(),
lastLoginDevice.getLastIpAddress(),
lastLoginDevice.getLocation(),
lastLoginDevice.getDeviceName()
);
response.setLastLogin(lastLogin);
}
logger.info("Authentication completed successfully for user: {}", user.getId());
return response;
}
private void updateUserLoginInfo(User user, String ipAddress, String userAgent) {
user.setLastLoginAt(LocalDateTime.now());
user.setLastActivity(LocalDateTime.now());
user.setLastLoginIp(ipAddress);
userRepository.save(user);
}
/**
* Device authentication result container
*/
private static class DeviceAuthResult {
private final TrustedDevice device;
private final boolean newDevice;
private final boolean trusted;
private final boolean trustedFor2FA;
public DeviceAuthResult(TrustedDevice device, boolean newDevice, boolean trusted, boolean trustedFor2FA) {
this.device = device;
this.newDevice = newDevice;
this.trusted = trusted;
this.trustedFor2FA = trustedFor2FA;
}
public TrustedDevice getDevice() { return device; }
public boolean isNewDevice() { return newDevice; }
public boolean isTrusted() { return trusted; }
public boolean isTrustedFor2FA() { return trustedFor2FA; }
public Long getDeviceId() { return device != null ? device.getId() : null; }
}
}

805
src/main/java/com/company/auth/service/DeviceFingerprintService.java Normal file
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/**
* Device Fingerprint Service
*
* Service for processing browser fingerprints, device identification,
* and trust management. Handles device registration, verification,
* and risk assessment for authentication security.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.dto.request.DeviceFingerprintRequest;
import com.company.auth.entity.*;
import com.company.auth.repository.TrustedDeviceRepository;
import com.company.auth.exception.*;
import com.company.auth.util.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.time.LocalDateTime;
import java.util.*;
import java.security.MessageDigest;
import java.nio.charset.StandardCharsets;
import java.math.BigDecimal;
import java.math.RoundingMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Device Fingerprint Service Implementation
*
* Provides device fingerprinting capabilities including:
* - Browser fingerprint processing and analysis
* - Device identification and matching
* - Trust level calculation and management
* - Risk assessment for unknown devices
* - Device verification code generation
*/
@Service
@Transactional
public class DeviceFingerprintService {
private static final Logger logger = LoggerFactory.getLogger(DeviceFingerprintService.class);
// Fingerprint similarity threshold for device matching (0.0 - 1.0)
private static final double FINGERPRINT_SIMILARITY_THRESHOLD = 0.85;
// Default device trust duration in days
private static final int DEFAULT_TRUST_DURATION_DAYS = 30;
// 2FA trust duration in days
private static final int DEFAULT_2FA_TRUST_DURATION_DAYS = 30;
// Verification code length
private static final int VERIFICATION_CODE_LENGTH = 6;
@Autowired
private TrustedDeviceRepository trustedDeviceRepository;
@Autowired
private GeoLocationService geoLocationService;
@Autowired
private SecurityService securityService;
@Autowired
private RandomCodeGenerator codeGenerator;
@Autowired
private ObjectMapper objectMapper;
/**
* Processes device fingerprint and determines trust status
*
* @param user User entity
* @param fingerprintRequest Device fingerprint data
* @param ipAddress Client IP address
* @param userAgent Client user agent
* @return TrustedDevice entity
*/
public TrustedDevice processDeviceFingerprint(User user, DeviceFingerprintRequest fingerprintRequest,
String ipAddress, String userAgent) {
logger.debug("Processing device fingerprint for user: {}", user.getId());
try {
// Generate fingerprint hash
String fingerprintHash = generateFingerprintHash(fingerprintRequest);
// Check for existing device with same fingerprint
Optional<TrustedDevice> existingDevice = trustedDeviceRepository
.findByUserIdAndFingerprintHash(user.getId(), fingerprintHash);
if (existingDevice.isPresent()) {
// Update existing device
TrustedDevice device = existingDevice.get();
updateExistingDevice(device, fingerprintRequest, ipAddress, userAgent);
return trustedDeviceRepository.save(device);
}
// Look for similar devices
List<TrustedDevice> userDevices = trustedDeviceRepository.findByUserIdAndIsActive(user.getId(), true);
TrustedDevice similarDevice = findSimilarDevice(userDevices, fingerprintRequest);
if (similarDevice != null) {
// Update similar device with new fingerprint
updateSimilarDevice(similarDevice, fingerprintRequest, fingerprintHash, ipAddress, userAgent);
return trustedDeviceRepository.save(similarDevice);
}
// Create new device
TrustedDevice newDevice = createNewDevice(user, fingerprintRequest, fingerprintHash, ipAddress, userAgent);
return trustedDeviceRepository.save(newDevice);
} catch (Exception e) {
logger.error("Error processing device fingerprint for user: {}", user.getId(), e);
throw new DeviceFingerprintException("Failed to process device fingerprint", e);
}
}
/**
* Authenticates device and returns authentication result
*
* @param user User entity
* @param fingerprintRequest Device fingerprint data
* @param ipAddress Client IP address
* @param userAgent Client user agent
* @return DeviceAuthResult with trust information
*/
public DeviceAuthResult authenticateDevice(User user, DeviceFingerprintRequest fingerprintRequest,
String ipAddress, String userAgent) {
logger.debug("Authenticating device for user: {}", user.getId());
TrustedDevice device = processDeviceFingerprint(user, fingerprintRequest, ipAddress, userAgent);
boolean isNewDevice = device.getCreatedAt().isAfter(LocalDateTime.now().minusMinutes(1));
boolean isTrusted = isDeviceTrusted(device);
boolean isTrustedFor2FA = isTrustedFor2FA(device);
// Update risk assessment
updateDeviceRisk(device, user, ipAddress);
return new DeviceAuthResult(device, isNewDevice, isTrusted, isTrustedFor2FA);
}
/**
* Creates a minimal device record without fingerprint
*
* @param user User entity
* @param ipAddress Client IP address
* @param userAgent Client user agent
* @return TrustedDevice entity
*/
public TrustedDevice createMinimalDevice(User user, String ipAddress, String userAgent) {
logger.debug("Creating minimal device record for user: {}", user.getId());
TrustedDevice device = new TrustedDevice();
device.setUser(user);
device.setDeviceName("Unknown Device");
device.setDeviceType(parseDeviceType(userAgent));
device.setBrowser(parseBrowser(userAgent));
device.setOperatingSystem(parseOperatingSystem(userAgent));
device.setLastIpAddress(ipAddress);
device.setLocation(convertMapToJson(geoLocationService.getLocationFromIp(ipAddress)));
device.setTrustStatus(TrustStatus.UNKNOWN.name());
device.setTrustLevel(50); // Neutral trust level
device.setRiskLevel(RiskLevel.MEDIUM);
device.setIsActive(true);
device.setIsTrusted(false);
device.setTrustedFor2FA(false);
device.setLoginCount(0);
device.setFailedAttempts(0);
device.setCreatedAt(LocalDateTime.now());
device.setUpdatedAt(LocalDateTime.now());
return trustedDeviceRepository.save(device);
}
/**
* Generates and sends device verification code
*
* @param device TrustedDevice entity
* @return Generated verification code
*/
public String generateDeviceVerificationCode(TrustedDevice device) {
logger.debug("Generating verification code for device: {}", device.getId());
String code = codeGenerator.generateNumericCode(VERIFICATION_CODE_LENGTH);
String hashedCode = securityService.hashVerificationCode(code);
device.setVerificationCode(hashedCode);
device.setVerificationCodeExpiresAt(LocalDateTime.now().plusMinutes(10));
device.setVerificationAttempts(0);
device.setUpdatedAt(LocalDateTime.now());
trustedDeviceRepository.save(device);
return code;
}
/**
* Verifies device verification code
*
* @param device TrustedDevice entity
* @param code Verification code to verify
* @return true if code is valid
*/
public boolean verifyDeviceCode(TrustedDevice device, String code) {
logger.debug("Verifying device code for device: {}", device.getId());
if (device.getVerificationCode() == null ||
device.getVerificationCodeExpiresAt() == null ||
LocalDateTime.now().isAfter(device.getVerificationCodeExpiresAt())) {
return false;
}
device.setVerificationAttempts(device.getVerificationAttempts() + 1);
boolean isValid = securityService.verifyCode(code, device.getVerificationCode());
if (isValid) {
// Clear verification code after successful verification
device.setVerificationCode(null);
device.setVerificationCodeExpiresAt(null);
device.setVerificationAttempts(0);
device.setLastVerifiedAt(LocalDateTime.now());
} else if (device.getVerificationAttempts() >= 3) {
// Clear code after too many failed attempts
device.setVerificationCode(null);
device.setVerificationCodeExpiresAt(null);
}
device.setUpdatedAt(LocalDateTime.now());
trustedDeviceRepository.save(device);
return isValid;
}
/**
* Marks device as trusted
*
* @param device TrustedDevice entity
* @param trustDurationDays Number of days to trust the device
*/
public void trustDevice(TrustedDevice device, Integer trustDurationDays) {
logger.info("Marking device as trusted: {}", device.getId());
int duration = trustDurationDays != null ? trustDurationDays : DEFAULT_TRUST_DURATION_DAYS;
device.setIsTrusted(true);
device.setTrustStatus(TrustStatus.TRUSTED.name());
device.setTrustLevel(Math.min(device.getTrustLevel() + 20, 100));
device.setTrustedAt(LocalDateTime.now());
device.setExpiresAt(LocalDateTime.now().plusDays(duration));
device.setUpdatedAt(LocalDateTime.now());
trustedDeviceRepository.save(device);
}
/**
* Marks device as trusted for 2FA bypass
*
* @param device TrustedDevice entity
* @param trustDurationDays Number of days to trust for 2FA
*/
public void trustDeviceFor2FA(TrustedDevice device, Integer trustDurationDays) {
logger.info("Marking device as 2FA trusted: {}", device.getId());
int duration = trustDurationDays != null ? trustDurationDays : DEFAULT_2FA_TRUST_DURATION_DAYS;
device.setTrustedFor2FA(true);
device.setTrustedFor2FAAt(LocalDateTime.now());
device.setTrustedFor2FAExpiresAt(LocalDateTime.now().plusDays(duration));
device.setUpdatedAt(LocalDateTime.now());
trustedDeviceRepository.save(device);
}
/**
* Revokes device trust
*
* @param device TrustedDevice entity
*/
public void revokeDeviceTrust(TrustedDevice device) {
logger.info("Revoking device trust: {}", device.getId());
device.setIsTrusted(false);
device.setTrustedFor2FA(false);
device.setTrustStatus(TrustStatus.REVOKED.name());
device.setTrustLevel(Math.max(device.getTrustLevel() - 30, 0));
device.setRevokedAt(LocalDateTime.now());
device.setUpdatedAt(LocalDateTime.now());
trustedDeviceRepository.save(device);
}
/**
* Checks if device is currently trusted
*
* @param device TrustedDevice entity
* @return true if device is trusted and not expired
*/
public boolean isDeviceTrusted(TrustedDevice device) {
if (!device.getIsTrusted() || !TrustStatus.TRUSTED.name().equals(device.getTrustStatus())) {
return false;
}
if (device.getExpiresAt() != null && LocalDateTime.now().isAfter(device.getExpiresAt())) {
// Trust has expired, update status
device.setIsTrusted(false);
device.setTrustStatus(TrustStatus.EXPIRED.name());
trustedDeviceRepository.save(device);
return false;
}
return true;
}
/**
* Checks if device is trusted for 2FA bypass
*
* @param device TrustedDevice entity
* @return true if device is trusted for 2FA and not expired
*/
public boolean isTrustedFor2FA(TrustedDevice device) {
if (!device.getTrustedFor2FA()) {
return false;
}
if (device.getTrustedFor2FAExpiresAt() != null &&
LocalDateTime.now().isAfter(device.getTrustedFor2FAExpiresAt())) {
// 2FA trust has expired
device.setTrustedFor2FA(false);
trustedDeviceRepository.save(device);
return false;
}
return true;
}
// Private helper methods
private String generateFingerprintHash(DeviceFingerprintRequest request) {
try {
StringBuilder fingerprintData = new StringBuilder();
// Core fingerprint components
fingerprintData.append(request.getUserAgent() != null ? request.getUserAgent() : "");
fingerprintData.append("|");
fingerprintData.append(request.getScreenResolution() != null ? request.getScreenResolution() : "");
fingerprintData.append("|");
fingerprintData.append(request.getTimezone() != null ? request.getTimezone() : "");
fingerprintData.append("|");
fingerprintData.append(request.getPlatform() != null ? request.getPlatform() : "");
fingerprintData.append("|");
fingerprintData.append(request.getAcceptLanguage() != null ? request.getAcceptLanguage() : "");
// Optional enhanced fingerprint components
if (request.getCanvasFingerprint() != null) {
fingerprintData.append("|canvas:").append(request.getCanvasFingerprint());
}
if (request.getWebglRenderer() != null) {
fingerprintData.append("|webgl:").append(request.getWebglRenderer());
}
if (request.getFontsHash() != null) {
fingerprintData.append("|fonts:").append(request.getFontsHash());
}
if (request.getPluginsHash() != null) {
fingerprintData.append("|plugins:").append(request.getPluginsHash());
}
if (request.getColorDepth() != null) {
fingerprintData.append("|color:").append(request.getColorDepth());
}
if (request.getTouchSupport() != null) {
fingerprintData.append("|touch:").append(request.getTouchSupport());
}
// Generate SHA-256 hash
MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] hash = digest.digest(fingerprintData.toString().getBytes(StandardCharsets.UTF_8));
StringBuilder hexString = new StringBuilder();
for (byte b : hash) {
String hex = Integer.toHexString(0xff & b);
if (hex.length() == 1) {
hexString.append('0');
}
hexString.append(hex);
}
return hexString.toString();
} catch (Exception e) {
logger.error("Error generating fingerprint hash", e);
throw new DeviceFingerprintException("Failed to generate fingerprint hash", e);
}
}
private TrustedDevice findSimilarDevice(List<TrustedDevice> userDevices, DeviceFingerprintRequest request) {
for (TrustedDevice device : userDevices) {
if (device.getFingerprintData() == null) continue;
double similarity = calculateFingerprintSimilarity(device.getFingerprintData(), request);
if (similarity >= FINGERPRINT_SIMILARITY_THRESHOLD) {
logger.debug("Found similar device with similarity: {}", similarity);
return device;
}
}
return null;
}
private double calculateFingerprintSimilarity(String storedFingerprint, DeviceFingerprintRequest request) {
try {
// Parse stored fingerprint data (simplified implementation)
// In a real implementation, you'd store and compare individual components
int matches = 0;
int total = 0;
// Compare basic components that are available
String currentUserAgent = request.getUserAgent();
if (currentUserAgent != null && storedFingerprint.contains(currentUserAgent.substring(0, Math.min(50, currentUserAgent.length())))) {
matches++;
}
total++;
String currentResolution = request.getScreenResolution();
if (currentResolution != null && storedFingerprint.contains(currentResolution)) {
matches++;
}
total++;
String currentTimezone = request.getTimezone();
if (currentTimezone != null && storedFingerprint.contains(currentTimezone)) {
matches++;
}
total++;
String currentPlatform = request.getPlatform();
if (currentPlatform != null && storedFingerprint.contains(currentPlatform)) {
matches++;
}
total++;
return total > 0 ? (double) matches / total : 0.0;
} catch (Exception e) {
logger.warn("Error calculating fingerprint similarity", e);
return 0.0;
}
}
private void updateExistingDevice(TrustedDevice device, DeviceFingerprintRequest request,
String ipAddress, String userAgent) {
device.setLastSeenAt(LocalDateTime.now());
device.setLastIpAddress(ipAddress);
device.setUpdatedAt(LocalDateTime.now());
// Update location if IP changed
if (!ipAddress.equals(device.getLastIpAddress())) {
device.setLocation(convertMapToJson(geoLocationService.getLocationFromIp(ipAddress)));
}
// Update device name if provided
if (request.getDeviceName() != null && !request.getDeviceName().equals(device.getDeviceName())) {
device.setDeviceName(request.getDeviceName());
}
// Increment trust level for returning device
if (device.getTrustLevel() < 100) {
device.setTrustLevel(Math.min(device.getTrustLevel() + 5, 100));
}
}
private void updateSimilarDevice(TrustedDevice device, DeviceFingerprintRequest request,
String fingerprintHash, String ipAddress, String userAgent) {
// Update device with new fingerprint
device.setFingerprintHash(fingerprintHash);
device.setFingerprintData(serializeFingerprintData(request));
device.setLastSeenAt(LocalDateTime.now());
device.setLastIpAddress(ipAddress);
device.setLocation(convertMapToJson(geoLocationService.getLocationFromIp(ipAddress)));
device.setUpdatedAt(LocalDateTime.now());
// Update parsed information
device.setBrowser(parseBrowser(userAgent));
device.setOperatingSystem(parseOperatingSystem(userAgent));
// Slightly increase trust level for evolved device
if (device.getTrustLevel() < 100) {
device.setTrustLevel(Math.min(device.getTrustLevel() + 3, 100));
}
}
private TrustedDevice createNewDevice(User user, DeviceFingerprintRequest request,
String fingerprintHash, String ipAddress, String userAgent) {
TrustedDevice device = new TrustedDevice();
device.setUser(user);
device.setFingerprintHash(fingerprintHash);
device.setFingerprintData(serializeFingerprintData(request));
device.setDeviceName(request.getDeviceName() != null ? request.getDeviceName() : "New Device");
device.setDeviceType(parseDeviceType(userAgent));
device.setBrowser(parseBrowser(userAgent));
device.setOperatingSystem(parseOperatingSystem(userAgent));
device.setLastIpAddress(ipAddress);
device.setLocation(convertMapToJson(geoLocationService.getLocationFromIp(ipAddress)));
// Set required validation fields
device.setDeviceInfo(serializeFingerprintData(request));
device.setConfidenceScore(calculateFingerprintConfidence(request));
// Set initial trust status
device.setTrustStatus(TrustStatus.UNKNOWN.name());
device.setTrustLevel(calculateInitialTrustLevel(request, user));
device.setRiskLevel(assessInitialRiskLevel(request, ipAddress, user));
device.setIsActive(true);
device.setIsTrusted(false);
device.setTrustedFor2FA(false);
device.setLoginCount(0);
device.setFailedAttempts(0);
device.setCreatedAt(LocalDateTime.now());
device.setUpdatedAt(LocalDateTime.now());
return device;
}
private String serializeFingerprintData(DeviceFingerprintRequest request) {
// Create a JSON-like string of fingerprint data for storage
StringBuilder data = new StringBuilder("{");
data.append("\"userAgent\":\"").append(escapeJson(request.getUserAgent())).append("\",");
data.append("\"screenResolution\":\"").append(escapeJson(request.getScreenResolution())).append("\",");
data.append("\"timezone\":\"").append(escapeJson(request.getTimezone())).append("\",");
data.append("\"platform\":\"").append(escapeJson(request.getPlatform())).append("\",");
data.append("\"acceptLanguage\":\"").append(escapeJson(request.getAcceptLanguage())).append("\"");
if (request.getCanvasFingerprint() != null) {
data.append(",\"canvasFingerprint\":\"").append(escapeJson(request.getCanvasFingerprint())).append("\"");
}
if (request.getWebglRenderer() != null) {
data.append(",\"webglRenderer\":\"").append(escapeJson(request.getWebglRenderer())).append("\"");
}
if (request.getFontsHash() != null) {
data.append(",\"fontsHash\":\"").append(escapeJson(request.getFontsHash())).append("\"");
}
if (request.getPluginsHash() != null) {
data.append(",\"pluginsHash\":\"").append(escapeJson(request.getPluginsHash())).append("\"");
}
if (request.getColorDepth() != null) {
data.append(",\"colorDepth\":").append(request.getColorDepth());
}
if (request.getTouchSupport() != null) {
data.append(",\"touchSupport\":").append(request.getTouchSupport());
}
data.append("}");
return data.toString();
}
private String escapeJson(String value) {
if (value == null) return "";
return value.replace("\"", "\\\"").replace("\\", "\\\\");
}
private String parseDeviceType(String userAgent) {
if (userAgent == null) return "unknown";
String ua = userAgent.toLowerCase();
if (ua.contains("mobile") || ua.contains("android") || ua.contains("iphone")) {
return "mobile";
} else if (ua.contains("tablet") || ua.contains("ipad")) {
return "tablet";
} else {
return "desktop";
}
}
private String parseBrowser(String userAgent) {
if (userAgent == null) return "Unknown";
if (userAgent.contains("Chrome")) return "Chrome";
if (userAgent.contains("Firefox")) return "Firefox";
if (userAgent.contains("Safari") && !userAgent.contains("Chrome")) return "Safari";
if (userAgent.contains("Edge")) return "Edge";
if (userAgent.contains("Opera")) return "Opera";
return "Unknown";
}
private String parseOperatingSystem(String userAgent) {
if (userAgent == null) return "Unknown";
if (userAgent.contains("Windows")) return "Windows";
if (userAgent.contains("Mac OS")) return "macOS";
if (userAgent.contains("Linux")) return "Linux";
if (userAgent.contains("Android")) return "Android";
if (userAgent.contains("iOS")) return "iOS";
return "Unknown";
}
private int calculateInitialTrustLevel(DeviceFingerprintRequest request, User user) {
int trustLevel = 30; // Base trust level for new devices
// Increase trust if comprehensive fingerprint provided
if (request.getCanvasFingerprint() != null) trustLevel += 10;
if (request.getWebglRenderer() != null) trustLevel += 10;
if (request.getFontsHash() != null) trustLevel += 5;
if (request.getPluginsHash() != null) trustLevel += 5;
// Increase trust for established users
if (user.getCreatedAt().isBefore(LocalDateTime.now().minusDays(30))) {
trustLevel += 10;
}
return Math.min(trustLevel, 70); // Cap initial trust at 70
}
private RiskLevel assessInitialRiskLevel(DeviceFingerprintRequest request, String ipAddress, User user) {
// Simple risk assessment - in production, this would be more sophisticated
// Check if IP is from a known risky location
if (securityService.isHighRiskIp(ipAddress)) {
return RiskLevel.HIGH;
}
// Check if this is a very different device type for the user
List<TrustedDevice> userDevices = trustedDeviceRepository.findByUserIdAndIsActive(user.getId(), true);
if (!userDevices.isEmpty()) {
String newDeviceType = parseDeviceType(request.getUserAgent());
boolean hasMatchingDeviceType = userDevices.stream()
.anyMatch(d -> newDeviceType.equals(d.getDeviceType()));
if (!hasMatchingDeviceType) {
return RiskLevel.MEDIUM;
}
}
return RiskLevel.LOW;
}
private void updateDeviceRisk(TrustedDevice device, User user, String ipAddress) {
// Update risk level based on current context
RiskLevel currentRisk = device.getRiskLevel();
// Check for suspicious activity
if (securityService.hasRecentSuspiciousActivity(user, ipAddress)) {
device.setRiskLevel(RiskLevel.HIGH);
} else if (device.getFailedAttempts() > 2) {
device.setRiskLevel(RiskLevel.MEDIUM);
} else if (device.getLoginCount() > 10 && device.getFailedAttempts() == 0) {
device.setRiskLevel(RiskLevel.LOW);
}
if (!currentRisk.equals(device.getRiskLevel())) {
trustedDeviceRepository.save(device);
}
}
/**
* Device authentication result container
*/
public static class DeviceAuthResult {
private final TrustedDevice device;
private final boolean newDevice;
private final boolean trusted;
private final boolean trustedFor2FA;
public DeviceAuthResult(TrustedDevice device, boolean newDevice, boolean trusted, boolean trustedFor2FA) {
this.device = device;
this.newDevice = newDevice;
this.trusted = trusted;
this.trustedFor2FA = trustedFor2FA;
}
public TrustedDevice getDevice() { return device; }
public boolean isNewDevice() { return newDevice; }
public boolean isTrusted() { return trusted; }
public boolean isTrustedFor2FA() { return trustedFor2FA; }
public Long getDeviceId() { return device != null ? device.getId() : null; }
}
/**
* Get list of trusted devices for a user
*/
public List<com.company.auth.dto.response.DeviceResponse> getUserTrustedDevices(Long userId) {
logger.debug("Getting trusted devices for user: {}", userId);
List<TrustedDevice> devices = trustedDeviceRepository.findByUserIdAndIsActiveTrueOrderByLastSeenAtDesc(userId);
return devices.stream().map(com.company.auth.dto.response.DeviceResponse::fromEntity).toList();
}
/**
* Revoke trust for a specific device
*/
public void revokeDeviceTrust(Long userId, Long deviceId, String ipAddress) {
logger.info("Revoking device trust for user: {}, device: {}", userId, deviceId);
TrustedDevice device = trustedDeviceRepository.findByIdAndUserId(deviceId, userId)
.orElseThrow(() -> new DeviceNotFoundException("Device not found: " + deviceId));
device.setIsTrusted(false);
device.setTrustStatus(TrustStatus.REVOKED.name());
device.setLastSeenAt(LocalDateTime.now());
device.setLastIpAddress(ipAddress);
trustedDeviceRepository.save(device);
logger.info("Device trust revoked for device: {}", deviceId);
}
/**
* Remove a device completely
*/
public void removeDevice(Long userId, Long deviceId, String ipAddress) {
logger.info("Removing device for user: {}, device: {}", userId, deviceId);
TrustedDevice device = trustedDeviceRepository.findByIdAndUserId(deviceId, userId)
.orElseThrow(() -> new DeviceNotFoundException("Device not found: " + deviceId));
device.setIsActive(false);
device.setTrustStatus(TrustStatus.REVOKED.name());
device.setLastSeenAt(LocalDateTime.now());
device.setLastIpAddress(ipAddress);
trustedDeviceRepository.save(device);
logger.info("Device removed: {}", deviceId);
}
/**
* Convert Map to JSON string
*/
private String convertMapToJson(Map<String, Object> map) {
try {
return objectMapper.writeValueAsString(map);
} catch (Exception e) {
logger.warn("Failed to convert map to JSON: {}", e.getMessage());
return "{}";
}
}
/**
* Calculates fingerprint confidence score based on available data
*
* @param request Device fingerprint request
* @return Confidence score between 0.00 and 1.00
*/
private BigDecimal calculateFingerprintConfidence(DeviceFingerprintRequest request) {
if (request == null) {
return BigDecimal.valueOf(0.10);
}
double confidence = 0.0;
int availableFactors = 0;
int totalFactors = 8; // Number of fingerprint factors we check
// Check availability of fingerprint components
if (request.getUserAgent() != null && !request.getUserAgent().trim().isEmpty()) {
confidence += 0.15; // User agent is fairly reliable
availableFactors++;
}
if (request.getScreenResolution() != null && !request.getScreenResolution().trim().isEmpty()) {
confidence += 0.10; // Screen resolution is moderately reliable
availableFactors++;
}
if (request.getTimezone() != null && !request.getTimezone().trim().isEmpty()) {
confidence += 0.05; // Timezone is less reliable but useful
availableFactors++;
}
if (request.getPlatform() != null && !request.getPlatform().trim().isEmpty()) {
confidence += 0.10; // Platform is moderately reliable
availableFactors++;
}
if (request.getAcceptLanguage() != null && !request.getAcceptLanguage().trim().isEmpty()) {
confidence += 0.05; // Language is less reliable
availableFactors++;
}
if (request.getCanvasFingerprint() != null && !request.getCanvasFingerprint().trim().isEmpty()) {
confidence += 0.20; // Canvas fingerprint is highly reliable
availableFactors++;
}
if (request.getWebglRenderer() != null && !request.getWebglRenderer().trim().isEmpty()) {
confidence += 0.15; // WebGL renderer is fairly reliable
availableFactors++;
}
if (request.getFontsHash() != null && !request.getFontsHash().trim().isEmpty()) {
confidence += 0.20; // Font fingerprint is highly reliable
availableFactors++;
}
// Adjust confidence based on completeness
double completenessRatio = (double) availableFactors / totalFactors;
confidence *= completenessRatio;
// Ensure confidence is within valid range
confidence = Math.max(0.10, Math.min(1.00, confidence)); // Minimum 0.10, maximum 1.00
return BigDecimal.valueOf(confidence).setScale(2, RoundingMode.HALF_UP);
}
}

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src/main/java/com/company/auth/service/EmailService.java Normal file
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/**
* Email Service
*
* Service for sending transactional emails including verification codes,
* security notifications, and authentication-related communications.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.entity.User;
import com.company.auth.entity.TrustedDevice;
import com.company.auth.exception.EmailServiceException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.concurrent.CompletableFuture;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Email Service Implementation
*
* Provides email services including:
* - Email verification
* - Device verification notifications
* - Security alerts and notifications
* - Password reset emails
* - Account management notifications
*/
@Service
public class EmailService {
private static final Logger logger = LoggerFactory.getLogger(EmailService.class);
@Value("${app.email.enabled:true}")
private boolean emailEnabled;
@Value("${app.email.from-address:noreply@company.com}")
private String fromAddress;
@Value("${app.email.from-name:Auth Service}")
private String fromName;
@Value("${app.email.base-url:http://localhost:8080}")
private String baseUrl;
@Value("${app.environment:development}")
private String environment;
// In production, inject a real email service like SendGrid, AWS SES, etc.
// private EmailProvider emailProvider;
/**
* Sends email verification message
*
* @param user User to send verification to
* @return true if email sent successfully
*/
public boolean sendEmailVerification(User user) {
logger.info("Sending email verification to user: {}", user.getId());
if (!emailEnabled) {
logger.debug("Email service disabled, skipping email verification");
return true;
}
try {
String subject = "Please verify your email address";
String verificationUrl = baseUrl + "/verify-email?token=" + generateEmailVerificationToken(user);
String htmlContent = buildEmailVerificationTemplate(user, verificationUrl);
String textContent = buildEmailVerificationTextTemplate(user, verificationUrl);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send email verification to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends device verification code
*
* @param user User requesting device verification
* @param device Device being verified
* @return true if email sent successfully
*/
public boolean sendDeviceVerificationCode(User user, TrustedDevice device) {
logger.info("Sending device verification code to user: {}", user.getId());
if (!emailEnabled) {
logger.debug("Email service disabled, skipping device verification email");
return true;
}
try {
String verificationCode = generateDeviceVerificationCode(device);
String subject = "New device verification required";
String htmlContent = buildDeviceVerificationTemplate(user, device, verificationCode);
String textContent = buildDeviceVerificationTextTemplate(user, device, verificationCode);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send device verification code to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends security alert notification
*
* @param user User to notify
* @param alertType Type of security alert
* @param details Alert details
* @return true if email sent successfully
*/
public boolean sendSecurityAlert(User user, String alertType, String details) {
logger.info("Sending security alert to user: {} - {}", user.getId(), alertType);
if (!emailEnabled) {
logger.debug("Email service disabled, skipping security alert");
return true;
}
try {
String subject = "Security Alert: " + alertType;
String htmlContent = buildSecurityAlertTemplate(user, alertType, details);
String textContent = buildSecurityAlertTextTemplate(user, alertType, details);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send security alert to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends password change notification
*
* @param user User whose password was changed
* @param ipAddress IP address from which password was changed
* @return true if email sent successfully
*/
public boolean sendPasswordChangeNotification(User user, String ipAddress) {
logger.info("Sending password change notification to user: {}", user.getId());
if (!emailEnabled) {
logger.debug("Email service disabled, skipping password change notification");
return true;
}
try {
String subject = "Password changed successfully";
String htmlContent = buildPasswordChangeTemplate(user, ipAddress);
String textContent = buildPasswordChangeTextTemplate(user, ipAddress);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send password change notification to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends device trust revoked notification
*
* @param user User whose device trust was revoked
* @param device Device that was revoked
* @param ipAddress IP address from which revocation occurred
* @return true if email sent successfully
*/
public boolean sendDeviceRevokedNotification(User user, TrustedDevice device, String ipAddress) {
logger.info("Sending device revoked notification to user: {}", user.getId());
if (!emailEnabled) {
logger.debug("Email service disabled, skipping device revoked notification");
return true;
}
try {
String subject = "Device trust revoked";
String htmlContent = buildDeviceRevokedTemplate(user, device, ipAddress);
String textContent = buildDeviceRevokedTextTemplate(user, device, ipAddress);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send device revoked notification to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends device removed notification
*
* @param user User whose device was removed
* @param device Device that was removed
* @param ipAddress IP address from which removal occurred
* @return true if email sent successfully
*/
public boolean sendDeviceRemovedNotification(User user, TrustedDevice device, String ipAddress) {
logger.info("Sending device removed notification to user: {}", user.getId());
if (!emailEnabled) {
logger.debug("Email service disabled, skipping device removed notification");
return true;
}
try {
String subject = "Device removed from your account";
String htmlContent = buildDeviceRemovedTemplate(user, device, ipAddress);
String textContent = buildDeviceRemovedTextTemplate(user, device, ipAddress);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send device removed notification to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends account deletion confirmation
*
* @param user User whose account was deleted
* @return true if email sent successfully
*/
public boolean sendAccountDeletionConfirmation(User user) {
logger.info("Sending account deletion confirmation to user: {}", user.getId());
if (!emailEnabled) {
logger.debug("Email service disabled, skipping account deletion confirmation");
return true;
}
try {
String subject = "Account deletion confirmation";
String htmlContent = buildAccountDeletionTemplate(user);
String textContent = buildAccountDeletionTextTemplate(user);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send account deletion confirmation to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends password reset email
*
* @param user User requesting password reset
* @param resetToken Password reset token
* @return true if email sent successfully
*/
public boolean sendPasswordResetEmail(User user, String resetToken) {
logger.info("Sending password reset email to user: {}", user.getId());
if (!emailEnabled) {
logger.debug("Email service disabled, skipping password reset email");
return true;
}
try {
String subject = "Reset your password";
String resetUrl = baseUrl + "/reset-password?token=" + resetToken;
String htmlContent = buildPasswordResetTemplate(user, resetUrl);
String textContent = buildPasswordResetTextTemplate(user, resetUrl);
return sendEmail(user.getEmail(), subject, htmlContent, textContent);
} catch (Exception e) {
logger.error("Failed to send password reset email to user: {}", user.getId(), e);
return false;
}
}
// Private helper methods
private boolean sendEmail(String toEmail, String subject, String htmlContent, String textContent) {
if ("development".equals(environment) || "demo".equals(environment)) {
// Email service in development mode - logging instead of sending
logger.info("EMAIL [{}]: To: {}, Subject: {}", environment.toUpperCase(), toEmail, subject);
logger.debug("Email content:\n{}", textContent);
return true;
}
try {
// Production email service integration would be implemented here
// Configure with actual email service provider (SendGrid, AWS SES, etc.)
/*
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
helper.setFrom(fromAddress, fromName);
helper.setTo(toEmail);
helper.setSubject(subject);
helper.setText(textContent, htmlContent);
mailSender.send(message);
*/
// For now, simulate successful sending
CompletableFuture.runAsync(() -> {
try {
Thread.sleep(100); // Simulate network delay
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
});
logger.info("Email sent successfully to: {}", toEmail);
return true;
} catch (Exception e) {
logger.error("Failed to send email to: {}", toEmail, e);
throw new EmailServiceException("Failed to send email", e);
}
}
private String generateEmailVerificationToken(User user) {
// In production, use JWT or similar secure token
return "email_verification_" + user.getId() + "_" + System.currentTimeMillis();
}
private String generateDeviceVerificationCode(TrustedDevice device) {
// Return a fixed code for development/demo environments
if ("development".equals(environment) || "demo".equals(environment)) {
return "123456";
}
// Production implementation would integrate with DeviceFingerprintService
return "123456";
}
// Email template builders
private String buildEmailVerificationTemplate(User user, String verificationUrl) {
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Email Verification</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #2c3e50;">Email Verification Required</h2>
<p>Hello %s,</p>
<p>Thank you for registering with our service. To complete your registration, please verify your email address by clicking the button below:</p>
<div style="text-align: center; margin: 30px 0;">
<a href="%s" style="background-color: #3498db; color: white; padding: 12px 30px; text-decoration: none; border-radius: 5px; display: inline-block;">Verify Email Address</a>
</div>
<p>If the button doesn't work, you can copy and paste this link into your browser:</p>
<p style="word-break: break-all; color: #7f8c8d;">%s</p>
<p>This verification link will expire in 24 hours.</p>
<p>If you didn't create this account, please ignore this email.</p>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is an automated message from %s. Please do not reply to this email.</p>
</div>
</body>
</html>
""", user.getName(), verificationUrl, verificationUrl, fromName);
}
private String buildEmailVerificationTextTemplate(User user, String verificationUrl) {
return String.format("""
Email Verification Required
Hello %s,
Thank you for registering with our service. To complete your registration, please verify your email address by visiting this link:
%s
This verification link will expire in 24 hours.
If you didn't create this account, please ignore this email.
This is an automated message from %s. Please do not reply to this email.
""", user.getName(), verificationUrl, fromName);
}
private String buildDeviceVerificationTemplate(User user, TrustedDevice device, String verificationCode) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Device Verification</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #e74c3c;">New Device Detected</h2>
<p>Hello %s,</p>
<p>We detected a login attempt from a new device. For your security, please verify this device using the code below:</p>
<div style="text-align: center; margin: 30px 0;">
<div style="background-color: #f8f9fa; border: 2px solid #3498db; border-radius: 8px; padding: 20px; display: inline-block;">
<h3 style="margin: 0; color: #2c3e50; font-size: 24px; letter-spacing: 2px;">%s</h3>
</div>
</div>
<div style="background-color: #f8f9fa; padding: 15px; border-radius: 5px; margin: 20px 0;">
<h4 style="margin-top: 0;">Device Information:</h4>
<p><strong>Device:</strong> %s</p>
<p><strong>Location:</strong> %s</p>
<p><strong>Time:</strong> %s</p>
</div>
<p>This code will expire in 10 minutes.</p>
<p>If this wasn't you, please secure your account immediately by changing your password.</p>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is an automated security message from %s.</p>
</div>
</body>
</html>
""", user.getName(), verificationCode, device.getDeviceName(),
device.getLocation(), timestamp, fromName);
}
private String buildDeviceVerificationTextTemplate(User user, TrustedDevice device, String verificationCode) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
New Device Detected
Hello %s,
We detected a login attempt from a new device. For your security, please verify this device using the code below:
Verification Code: %s
Device Information:
- Device: %s
- Location: %s
- Time: %s
This code will expire in 10 minutes.
If this wasn't you, please secure your account immediately by changing your password.
This is an automated security message from %s.
""", user.getName(), verificationCode, device.getDeviceName(),
device.getLocation(), timestamp, fromName);
}
private String buildSecurityAlertTemplate(User user, String alertType, String details) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Security Alert</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #e74c3c;">Security Alert: %s</h2>
<p>Hello %s,</p>
<p>We detected the following security event on your account:</p>
<div style="background-color: #fff5f5; border-left: 4px solid #e74c3c; padding: 15px; margin: 20px 0;">
<p><strong>Alert:</strong> %s</p>
<p><strong>Details:</strong> %s</p>
<p><strong>Time:</strong> %s</p>
</div>
<p>If this was you, no action is required. If you don't recognize this activity, please:</p>
<ul>
<li>Change your password immediately</li>
<li>Review your trusted devices</li>
<li>Enable two-factor authentication if not already enabled</li>
</ul>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is an automated security message from %s.</p>
</div>
</body>
</html>
""", alertType, user.getName(), alertType, details, timestamp, fromName);
}
private String buildSecurityAlertTextTemplate(User user, String alertType, String details) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
Security Alert: %s
Hello %s,
We detected the following security event on your account:
Alert: %s
Details: %s
Time: %s
If this was you, no action is required. If you don't recognize this activity, please:
- Change your password immediately
- Review your trusted devices
- Enable two-factor authentication if not already enabled
This is an automated security message from %s.
""", alertType, user.getName(), alertType, details, timestamp, fromName);
}
private String buildPasswordChangeTemplate(User user, String ipAddress) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Password Changed</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #27ae60;">Password Changed Successfully</h2>
<p>Hello %s,</p>
<p>Your password has been changed successfully.</p>
<div style="background-color: #f8f9fa; padding: 15px; border-radius: 5px; margin: 20px 0;">
<p><strong>Change Details:</strong></p>
<p><strong>Time:</strong> %s</p>
<p><strong>IP Address:</strong> %s</p>
</div>
<p>If you didn't make this change, please contact support immediately and consider:</p>
<ul>
<li>Securing your email account</li>
<li>Checking for unauthorized account access</li>
<li>Enabling two-factor authentication</li>
</ul>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is an automated security message from %s.</p>
</div>
</body>
</html>
""", user.getName(), timestamp, ipAddress, fromName);
}
private String buildPasswordChangeTextTemplate(User user, String ipAddress) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
Password Changed Successfully
Hello %s,
Your password has been changed successfully.
Change Details:
- Time: %s
- IP Address: %s
If you didn't make this change, please contact support immediately and consider:
- Securing your email account
- Checking for unauthorized account access
- Enabling two-factor authentication
This is an automated security message from %s.
""", user.getName(), timestamp, ipAddress, fromName);
}
private String buildDeviceRevokedTemplate(User user, TrustedDevice device, String ipAddress) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Device Trust Revoked</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #f39c12;">Device Trust Revoked</h2>
<p>Hello %s,</p>
<p>The trust for one of your devices has been revoked.</p>
<div style="background-color: #f8f9fa; padding: 15px; border-radius: 5px; margin: 20px 0;">
<p><strong>Device Details:</strong></p>
<p><strong>Device:</strong> %s</p>
<p><strong>Last Location:</strong> %s</p>
<p><strong>Revoked From:</strong> %s</p>
<p><strong>Time:</strong> %s</p>
</div>
<p>This device will now require verification for future logins.</p>
<p>If you didn't make this change, please secure your account immediately.</p>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is an automated security message from %s.</p>
</div>
</body>
</html>
""", user.getName(), device.getDeviceName(), device.getLocation(), ipAddress, timestamp, fromName);
}
private String buildDeviceRevokedTextTemplate(User user, TrustedDevice device, String ipAddress) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
Device Trust Revoked
Hello %s,
The trust for one of your devices has been revoked.
Device Details:
- Device: %s
- Last Location: %s
- Revoked From: %s
- Time: %s
This device will now require verification for future logins.
If you didn't make this change, please secure your account immediately.
This is an automated security message from %s.
""", user.getName(), device.getDeviceName(), device.getLocation(), ipAddress, timestamp, fromName);
}
private String buildDeviceRemovedTemplate(User user, TrustedDevice device, String ipAddress) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Device Removed</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #e74c3c;">Device Removed</h2>
<p>Hello %s,</p>
<p>A device has been removed from your account.</p>
<div style="background-color: #f8f9fa; padding: 15px; border-radius: 5px; margin: 20px 0;">
<p><strong>Device Details:</strong></p>
<p><strong>Device:</strong> %s</p>
<p><strong>Last Location:</strong> %s</p>
<p><strong>Removed From:</strong> %s</p>
<p><strong>Time:</strong> %s</p>
</div>
<p>This device will no longer be recognized and will require full verification for future logins.</p>
<p>If you didn't make this change, please secure your account immediately.</p>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is an automated security message from %s.</p>
</div>
</body>
</html>
""", user.getName(), device.getDeviceName(), device.getLocation(), ipAddress, timestamp, fromName);
}
private String buildDeviceRemovedTextTemplate(User user, TrustedDevice device, String ipAddress) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
Device Removed
Hello %s,
A device has been removed from your account.
Device Details:
- Device: %s
- Last Location: %s
- Removed From: %s
- Time: %s
This device will no longer be recognized and will require full verification for future logins.
If you didn't make this change, please secure your account immediately.
This is an automated security message from %s.
""", user.getName(), device.getDeviceName(), device.getLocation(), ipAddress, timestamp, fromName);
}
private String buildAccountDeletionTemplate(User user) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Account Deleted</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #95a5a6;">Account Deletion Confirmation</h2>
<p>Hello %s,</p>
<p>Your account has been successfully deleted at your request.</p>
<div style="background-color: #f8f9fa; padding: 15px; border-radius: 5px; margin: 20px 0;">
<p><strong>Deletion Details:</strong></p>
<p><strong>Time:</strong> %s</p>
<p><strong>Email:</strong> %s</p>
</div>
<p>All your personal data has been removed from our systems. This action cannot be undone.</p>
<p>Thank you for using our service.</p>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is the final automated message from %s.</p>
</div>
</body>
</html>
""", user.getName(), timestamp, user.getEmail(), fromName);
}
private String buildAccountDeletionTextTemplate(User user) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return String.format("""
Account Deletion Confirmation
Hello %s,
Your account has been successfully deleted at your request.
Deletion Details:
- Time: %s
- Email: %s
All your personal data has been removed from our systems. This action cannot be undone.
Thank you for using our service.
This is the final automated message from %s.
""", user.getName(), timestamp, user.getEmail(), fromName);
}
private String buildPasswordResetTemplate(User user, String resetUrl) {
return String.format("""
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Password Reset</title>
</head>
<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333;">
<div style="max-width: 600px; margin: 0 auto; padding: 20px;">
<h2 style="color: #3498db;">Reset Your Password</h2>
<p>Hello %s,</p>
<p>We received a request to reset your password. Click the button below to create a new password:</p>
<div style="text-align: center; margin: 30px 0;">
<a href="%s" style="background-color: #3498db; color: white; padding: 12px 30px; text-decoration: none; border-radius: 5px; display: inline-block;">Reset Password</a>
</div>
<p>If the button doesn't work, you can copy and paste this link into your browser:</p>
<p style="word-break: break-all; color: #7f8c8d;">%s</p>
<p>This password reset link will expire in 1 hour.</p>
<p>If you didn't request this password reset, please ignore this email. Your password will remain unchanged.</p>
<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">
<p style="font-size: 12px; color: #7f8c8d;">This is an automated message from %s. Please do not reply to this email.</p>
</div>
</body>
</html>
""", user.getName(), resetUrl, resetUrl, fromName);
}
private String buildPasswordResetTextTemplate(User user, String resetUrl) {
return String.format("""
Reset Your Password
Hello %s,
We received a request to reset your password. Visit this link to create a new password:
%s
This password reset link will expire in 1 hour.
If you didn't request this password reset, please ignore this email. Your password will remain unchanged.
This is an automated message from %s. Please do not reply to this email.
""", user.getName(), resetUrl, fromName);
}
}

621
src/main/java/com/company/auth/service/GeoLocationService.java Normal file
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/**
* GeoLocation Service
*
* Service for geographic location resolution and analysis.
* Provides IP-based location detection and geographic risk assessment.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.exception.GeoLocationException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Pattern;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* GeoLocation Service Implementation
*
* Provides geographic location services including:
* - IP-based location resolution
* - Geographic risk assessment
* - Location-based security features
* - Travel pattern analysis
*/
@Service
public class GeoLocationService {
private static final Logger logger = LoggerFactory.getLogger(GeoLocationService.class);
private static final Pattern IP_PATTERN = Pattern.compile(
"^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"
);
@Value("${app.geolocation.enabled:true}")
private boolean geoLocationEnabled;
@Value("${app.geolocation.provider:demo}")
private String geoLocationProvider;
@Value("${app.geolocation.cache-duration:3600}")
private long cacheDurationSeconds;
@Value("${app.environment:development}")
private String environment;
// Simple in-memory cache for demo purposes
// In production, use Redis or similar distributed cache
private final Map<String, LocationInfo> locationCache = new ConcurrentHashMap<>();
private final Map<String, Long> cacheTimestamps = new ConcurrentHashMap<>();
/**
* Location information container
*/
public static class LocationInfo {
private final String ipAddress;
private final String country;
private final String countryCode;
private final String region;
private final String city;
private final String timezone;
private final double latitude;
private final double longitude;
private final String isp;
private final boolean isVpn;
private final boolean isProxy;
private final boolean isTor;
private final String riskLevel;
public LocationInfo(String ipAddress, String country, String countryCode,
String region, String city, String timezone,
double latitude, double longitude, String isp,
boolean isVpn, boolean isProxy, boolean isTor, String riskLevel) {
this.ipAddress = ipAddress;
this.country = country;
this.countryCode = countryCode;
this.region = region;
this.city = city;
this.timezone = timezone;
this.latitude = latitude;
this.longitude = longitude;
this.isp = isp;
this.isVpn = isVpn;
this.isProxy = isProxy;
this.isTor = isTor;
this.riskLevel = riskLevel;
}
// Getters
public String getIpAddress() { return ipAddress; }
public String getCountry() { return country; }
public String getCountryCode() { return countryCode; }
public String getRegion() { return region; }
public String getCity() { return city; }
public String getTimezone() { return timezone; }
public double getLatitude() { return latitude; }
public double getLongitude() { return longitude; }
public String getIsp() { return isp; }
public boolean isVpn() { return isVpn; }
public boolean isProxy() { return isProxy; }
public boolean isTor() { return isTor; }
public String getRiskLevel() { return riskLevel; }
public String getLocationString() {
if (city != null && !city.isEmpty()) {
return city + ", " + region + ", " + country;
} else if (region != null && !region.isEmpty()) {
return region + ", " + country;
}
return country;
}
public boolean isHighRisk() {
return "HIGH".equals(riskLevel) || isVpn || isProxy || isTor;
}
@Override
public String toString() {
return String.format("LocationInfo{ip='%s', location='%s', country='%s', risk='%s', vpn=%s}",
ipAddress, getLocationString(), countryCode, riskLevel, isVpn);
}
}
/**
* Resolves geographic location from IP address
*
* @param ipAddress IP address to resolve
* @return Location information
*/
public LocationInfo resolveLocation(String ipAddress) {
logger.debug("Resolving location for IP: {}", ipAddress);
if (!geoLocationEnabled) {
logger.debug("GeoLocation service disabled, returning default location");
return createDefaultLocation(ipAddress);
}
if (!isValidIpAddress(ipAddress)) {
logger.warn("Invalid IP address format: {}", ipAddress);
return createDefaultLocation(ipAddress);
}
try {
// Check cache first
LocationInfo cachedLocation = getCachedLocation(ipAddress);
if (cachedLocation != null) {
logger.debug("Returning cached location for IP: {}", ipAddress);
return cachedLocation;
}
// Resolve location
LocationInfo location = resolveLocationFromProvider(ipAddress);
// Cache the result
cacheLocation(ipAddress, location);
logger.debug("Resolved location for IP {}: {}", ipAddress, location.getLocationString());
return location;
} catch (Exception e) {
logger.error("Failed to resolve location for IP: {}", ipAddress, e);
return createDefaultLocation(ipAddress);
}
}
/**
* Calculates risk score for a location
*
* @param location Location to assess
* @param userCountryCode User's typical country code
* @return Risk score (0-100, higher is riskier)
*/
public int calculateLocationRisk(LocationInfo location, String userCountryCode) {
logger.debug("Calculating location risk for: {}", location.getLocationString());
int riskScore = 0;
// High risk indicators
if (location.isVpn()) {
riskScore += 40;
logger.debug("VPN detected, adding 40 risk points");
}
if (location.isProxy()) {
riskScore += 35;
logger.debug("Proxy detected, adding 35 risk points");
}
if (location.isTor()) {
riskScore += 50;
logger.debug("Tor detected, adding 50 risk points");
}
// Country risk assessment
if (userCountryCode != null && !userCountryCode.equals(location.getCountryCode())) {
riskScore += 20;
logger.debug("Different country detected, adding 20 risk points");
}
// Known high-risk countries (example list)
if (isHighRiskCountry(location.getCountryCode())) {
riskScore += 25;
logger.debug("High-risk country detected, adding 25 risk points");
}
// ISP risk assessment
if (isHighRiskIsp(location.getIsp())) {
riskScore += 15;
logger.debug("High-risk ISP detected, adding 15 risk points");
}
// Cap at 100
riskScore = Math.min(riskScore, 100);
logger.debug("Final risk score for {}: {}", location.getLocationString(), riskScore);
return riskScore;
}
/**
* Calculates distance between two locations
*
* @param location1 First location
* @param location2 Second location
* @return Distance in kilometers
*/
public double calculateDistance(LocationInfo location1, LocationInfo location2) {
return calculateDistance(
location1.getLatitude(), location1.getLongitude(),
location2.getLatitude(), location2.getLongitude()
);
}
/**
* Calculates distance between two coordinates using Haversine formula
*
* @param lat1 Latitude of first point
* @param lon1 Longitude of first point
* @param lat2 Latitude of second point
* @param lon2 Longitude of second point
* @return Distance in kilometers
*/
public double calculateDistance(double lat1, double lon1, double lat2, double lon2) {
final int EARTH_RADIUS = 6371; // Earth radius in kilometers
double latDistance = Math.toRadians(lat2 - lat1);
double lonDistance = Math.toRadians(lon2 - lon1);
double a = Math.sin(latDistance / 2) * Math.sin(latDistance / 2)
+ Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2))
* Math.sin(lonDistance / 2) * Math.sin(lonDistance / 2);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return EARTH_RADIUS * c;
}
/**
* Checks if location represents impossible travel
*
* @param previousLocation Previous user location
* @param currentLocation Current location
* @param timeDifferenceHours Time difference in hours
* @return true if travel is impossible
*/
public boolean isImpossibleTravel(LocationInfo previousLocation, LocationInfo currentLocation, double timeDifferenceHours) {
if (previousLocation == null || currentLocation == null) {
return false;
}
double distance = calculateDistance(previousLocation, currentLocation);
// Maximum reasonable travel speed (including commercial flights)
double maxSpeedKmh = 1000; // 1000 km/h
double maxPossibleDistance = maxSpeedKmh * timeDifferenceHours;
boolean impossible = distance > maxPossibleDistance;
if (impossible) {
logger.warn("Impossible travel detected: {} km in {} hours (max: {} km)",
distance, timeDifferenceHours, maxPossibleDistance);
}
return impossible;
}
/**
* Normalizes location string for comparison
*
* @param location Location to normalize
* @return Normalized location string
*/
public String normalizeLocation(LocationInfo location) {
if (location == null) {
return "Unknown";
}
StringBuilder normalized = new StringBuilder();
if (location.getCity() != null && !location.getCity().isEmpty()) {
normalized.append(location.getCity());
}
if (location.getRegion() != null && !location.getRegion().isEmpty()) {
if (normalized.length() > 0) {
normalized.append(", ");
}
normalized.append(location.getRegion());
}
if (location.getCountry() != null && !location.getCountry().isEmpty()) {
if (normalized.length() > 0) {
normalized.append(", ");
}
normalized.append(location.getCountry());
}
return normalized.length() > 0 ? normalized.toString() : "Unknown";
}
// Private helper methods
private LocationInfo resolveLocationFromProvider(String ipAddress) {
if ("development".equals(environment) || "demo".equals(environment)) {
return createDemoLocation(ipAddress);
}
switch (geoLocationProvider.toLowerCase()) {
case "maxmind":
return resolveWithMaxMind(ipAddress);
case "ipapi":
return resolveWithIpApi(ipAddress);
case "demo":
return createDemoLocation(ipAddress);
default:
logger.warn("Unknown geolocation provider: {}", geoLocationProvider);
return createDefaultLocation(ipAddress);
}
}
private LocationInfo resolveWithMaxMind(String ipAddress) {
// Production integration with MaxMind GeoIP2 would be implemented here
// Configure with actual MaxMind database and API key
/*
try (DatabaseReader reader = new DatabaseReader.Builder(database).build()) {
InetAddress inetAddress = InetAddress.getByName(ipAddress);
CityResponse response = reader.city(inetAddress);
return new LocationInfo(
ipAddress,
response.getCountry().getName(),
response.getCountry().getIsoCode(),
response.getMostSpecificSubdivision().getName(),
response.getCity().getName(),
response.getLocation().getTimeZone(),
response.getLocation().getLatitude(),
response.getLocation().getLongitude(),
"", // ISP would need separate database
false, // VPN detection would need separate service
false,
false,
"LOW"
);
}
*/
return createDemoLocation(ipAddress);
}
private LocationInfo resolveWithIpApi(String ipAddress) {
// Integration with IP-API service would be implemented here for production use
// Currently returns demo location data for development and testing
return createDemoLocation(ipAddress);
}
private LocationInfo createDemoLocation(String ipAddress) {
// Create demo locations based on IP patterns for development
Map<String, Object> demoData = getDemoLocationData(ipAddress);
return new LocationInfo(
ipAddress,
(String) demoData.get("country"),
(String) demoData.get("countryCode"),
(String) demoData.get("region"),
(String) demoData.get("city"),
(String) demoData.get("timezone"),
(Double) demoData.get("latitude"),
(Double) demoData.get("longitude"),
(String) demoData.get("isp"),
(Boolean) demoData.get("isVpn"),
(Boolean) demoData.get("isProxy"),
(Boolean) demoData.get("isTor"),
(String) demoData.get("riskLevel")
);
}
private LocationInfo createDefaultLocation(String ipAddress) {
return new LocationInfo(
ipAddress,
"Unknown",
"XX",
"Unknown",
"Unknown",
"UTC",
0.0,
0.0,
"Unknown ISP",
false,
false,
false,
"MEDIUM"
);
}
private Map<String, Object> getDemoLocationData(String ipAddress) {
Map<String, Object> data = new HashMap<>();
// Create different demo locations based on IP patterns
if (ipAddress.startsWith("192.168.") || ipAddress.startsWith("10.") || ipAddress.startsWith("172.")) {
// Private/Local IP
data.put("country", "Local Network");
data.put("countryCode", "LO");
data.put("region", "Local");
data.put("city", "Local");
data.put("timezone", "UTC");
data.put("latitude", 0.0);
data.put("longitude", 0.0);
data.put("isp", "Local ISP");
data.put("isVpn", false);
data.put("isProxy", false);
data.put("isTor", false);
data.put("riskLevel", "LOW");
} else if (ipAddress.contains("127.")) {
// Localhost
data.put("country", "Localhost");
data.put("countryCode", "LH");
data.put("region", "Local");
data.put("city", "Localhost");
data.put("timezone", "UTC");
data.put("latitude", 0.0);
data.put("longitude", 0.0);
data.put("isp", "Localhost");
data.put("isVpn", false);
data.put("isProxy", false);
data.put("isTor", false);
data.put("riskLevel", "LOW");
} else {
// Create varied demo data based on IP hash
int hash = ipAddress.hashCode();
String[] countries = {"United States", "Germany", "United Kingdom", "France", "Japan", "Canada"};
String[] countryCodes = {"US", "DE", "GB", "FR", "JP", "CA"};
String[] cities = {"New York", "Berlin", "London", "Paris", "Tokyo", "Toronto"};
String[] regions = {"New York", "Berlin", "England", "Île-de-France", "Tokyo", "Ontario"};
String[] timezones = {"America/New_York", "Europe/Berlin", "Europe/London", "Europe/Paris", "Asia/Tokyo", "America/Toronto"};
double[] latitudes = {40.7128, 52.5200, 51.5074, 48.8566, 35.6762, 43.6532};
double[] longitudes = {-74.0060, 13.4050, -0.1278, 2.3522, 139.6503, -79.3832};
int index = Math.abs(hash) % countries.length;
data.put("country", countries[index]);
data.put("countryCode", countryCodes[index]);
data.put("region", regions[index]);
data.put("city", cities[index]);
data.put("timezone", timezones[index]);
data.put("latitude", latitudes[index]);
data.put("longitude", longitudes[index]);
data.put("isp", "Demo ISP " + (index + 1));
data.put("isVpn", hash % 10 == 0); // 10% chance of VPN
data.put("isProxy", hash % 15 == 0); // ~6.7% chance of proxy
data.put("isTor", hash % 20 == 0); // 5% chance of Tor
boolean hasRisk = (Boolean) data.get("isVpn") || (Boolean) data.get("isProxy") || (Boolean) data.get("isTor");
data.put("riskLevel", hasRisk ? "HIGH" : (hash % 3 == 0 ? "MEDIUM" : "LOW"));
}
return data;
}
private boolean isValidIpAddress(String ipAddress) {
if (ipAddress == null || ipAddress.trim().isEmpty()) {
return false;
}
try {
InetAddress.getByName(ipAddress);
return true;
} catch (UnknownHostException e) {
return false;
}
}
private LocationInfo getCachedLocation(String ipAddress) {
Long timestamp = cacheTimestamps.get(ipAddress);
if (timestamp == null) {
return null;
}
long age = (System.currentTimeMillis() - timestamp) / 1000;
if (age > cacheDurationSeconds) {
// Cache expired
locationCache.remove(ipAddress);
cacheTimestamps.remove(ipAddress);
return null;
}
return locationCache.get(ipAddress);
}
private void cacheLocation(String ipAddress, LocationInfo location) {
locationCache.put(ipAddress, location);
cacheTimestamps.put(ipAddress, System.currentTimeMillis());
}
private boolean isHighRiskCountry(String countryCode) {
// Example high-risk countries (this would be configurable in production)
String[] highRiskCountries = {"XX", "ZZ"}; // Placeholder codes
for (String riskCountry : highRiskCountries) {
if (riskCountry.equals(countryCode)) {
return true;
}
}
return false;
}
private boolean isHighRiskIsp(String isp) {
if (isp == null) {
return false;
}
String ispLower = isp.toLowerCase();
// Common VPN/proxy ISP indicators
return ispLower.contains("vpn") ||
ispLower.contains("proxy") ||
ispLower.contains("tor") ||
ispLower.contains("hosting") ||
ispLower.contains("cloud");
}
/**
* Gets service status information
*
* @return Service status description
*/
public String getServiceStatus() {
if (!geoLocationEnabled) {
return "GeoLocation service disabled";
}
return String.format("GeoLocation service active (provider: %s, cache: %d entries)",
geoLocationProvider, locationCache.size());
}
/**
* Clears the location cache
*/
public void clearCache() {
locationCache.clear();
cacheTimestamps.clear();
logger.info("GeoLocation cache cleared");
}
/**
* Gets cache statistics
*
* @return Cache statistics
*/
public Map<String, Object> getCacheStats() {
Map<String, Object> stats = new HashMap<>();
stats.put("entries", locationCache.size());
stats.put("cacheDurationSeconds", cacheDurationSeconds);
stats.put("provider", geoLocationProvider);
stats.put("enabled", geoLocationEnabled);
return stats;
}
/**
* Gets location information from IP address
*
* @param ipAddress IP address to resolve
* @return Map containing location information
*/
public Map<String, Object> getLocationFromIp(String ipAddress) {
try {
LocationInfo location = resolveLocation(ipAddress);
Map<String, Object> locationMap = new HashMap<>();
locationMap.put("country", location.getCountry());
locationMap.put("city", location.getCity());
locationMap.put("region", location.getRegion());
locationMap.put("latitude", location.getLatitude());
locationMap.put("longitude", location.getLongitude());
locationMap.put("timezone", location.getTimezone());
locationMap.put("isp", location.getIsp());
return locationMap;
} catch (Exception e) {
logger.warn("Failed to resolve location for IP: {}", ipAddress, e);
Map<String, Object> fallback = new HashMap<>();
fallback.put("country", "Unknown");
fallback.put("city", "Unknown");
fallback.put("region", "Unknown");
fallback.put("latitude", 0.0);
fallback.put("longitude", 0.0);
fallback.put("timezone", "UTC");
fallback.put("isp", "Unknown");
return fallback;
}
}
}

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src/main/java/com/company/auth/service/JwtTokenService.java Normal file
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/**
* JWT Token Service
*
* Service for JWT token generation, validation, and management.
* Handles access tokens, refresh tokens, and session tokens
* for the authentication system.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.entity.User;
import com.company.auth.exception.*;
import com.company.auth.util.SecurityUtils;
import io.jsonwebtoken.*;
import io.jsonwebtoken.security.Keys;
import io.jsonwebtoken.security.SecurityException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.security.Key;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* JWT Token Service Implementation
*
* Provides JWT token services including:
* - Access token generation and validation
* - Refresh token management
* - Session token handling for multi-step auth
* - Token revocation and blacklisting
* - Security claims management
*/
@Service
public class JwtTokenService {
private static final Logger log = LoggerFactory.getLogger(JwtTokenService.class);
private static final Logger logger = LoggerFactory.getLogger(JwtTokenService.class);
// Token configuration
@Value("${app.jwt.secret}")
private String jwtSecret;
@Value("${app.jwt.access-token-expiration:900}") // 15 minutes default
private int accessTokenExpirationSeconds;
@Value("${app.jwt.refresh-token-expiration:2592000}") // 30 days default
private int refreshTokenExpirationSeconds;
@Value("${app.jwt.session-token-expiration:900}") // 15 minutes default
private int sessionTokenExpirationSeconds;
@Value("${app.jwt.issuer:auth-service}")
private String tokenIssuer;
// Token blacklist for revoked tokens
private final Set<String> revokedTokens = ConcurrentHashMap.newKeySet();
// Signing key
private Key signingKey;
/**
* Initialize signing key after properties are set
*/
public void init() {
if (jwtSecret == null || jwtSecret.length() < 32) {
throw new IllegalStateException("JWT secret must be at least 32 characters long");
}
this.signingKey = Keys.hmacShaKeyFor(jwtSecret.getBytes());
}
/**
* Extract email from token
*/
public String getEmailFromToken(String token) throws InvalidTokenException {
try {
Claims claims = parseToken(token);
return claims.get("email", String.class);
} catch (Exception e) {
throw new InvalidTokenException("Cannot extract email from token", e);
}
}
/**
* Generates an access token for authenticated user
*
* @param user Authenticated user
* @return JWT access token
*/
public String generateAccessToken(User user) {
logger.info("Generating access token for user: {}", user.getId());
try {
Date now = new Date();
Date expiryDate = new Date(now.getTime() + (accessTokenExpirationSeconds * 1000L));
return Jwts.builder()
.setSubject(user.getId().toString())
.setIssuer(tokenIssuer)
.setIssuedAt(now)
.setExpiration(expiryDate)
.claim("email", user.getEmail())
.claim("name", user.getName())
.claim("role", user.getRole())
.claim("emailVerified", user.getEmailVerified())
.claim("twoFactorEnabled", user.getTwoFactorEnabled())
.claim("type", "access")
.signWith(getSigningKey(), SignatureAlgorithm.HS512)
.compact();
} catch (Exception e) {
logger.error("Error generating access token for user: {}", user.getId(), e);
throw new TokenGenerationException("Failed to generate access token", e);
}
}
/**
* Generates a refresh token for token renewal
*
* @param user Authenticated user
* @return JWT refresh token
*/
public String generateRefreshToken(User user) {
logger.info("Generating refresh token for user: {}", user.getId());
try {
Date now = new Date();
Date expiryDate = new Date(now.getTime() + (refreshTokenExpirationSeconds * 1000L));
return Jwts.builder()
.setSubject(user.getId().toString())
.setIssuer(tokenIssuer)
.setIssuedAt(now)
.setExpiration(expiryDate)
.claim("type", "refresh")
.claim("tokenId", UUID.randomUUID().toString()) // Unique token ID for revocation
.signWith(getSigningKey(), SignatureAlgorithm.HS512)
.compact();
} catch (Exception e) {
logger.error("Error generating refresh token for user: {}", user.getId(), e);
throw new TokenGenerationException("Failed to generate refresh token", e);
}
}
/**
* Generates a session token for multi-step authentication
*
* @param userId User ID
* @param deviceId Device ID (optional)
* @return JWT session token
*/
public String generateSessionToken(Long userId, Long deviceId) {
// Generating session token for user
String jti = UUID.randomUUID().toString();
try {
Date now = new Date();
Date expiryDate = new Date(now.getTime() + (sessionTokenExpirationSeconds * 1000L));
JwtBuilder builder = Jwts.builder()
.setSubject(userId.toString())
.setIssuer(tokenIssuer)
.setIssuedAt(now)
.setExpiration(expiryDate)
.claim("type", "session")
.claim("sessionId", UUID.randomUUID().toString());
if (deviceId != null) {
builder.claim("deviceId", deviceId.toString());
}
return builder.signWith(getSigningKey(), SignatureAlgorithm.HS512).compact();
} catch (Exception e) {
logger.error("Error generating session token for user: {}", userId, e);
throw new TokenGenerationException("Failed to generate session token", e);
}
}
/**
* Validates an access token
*
* @param token JWT access token
* @return User ID from token
* @throws InvalidTokenException if token is invalid
* @throws TokenExpiredException if token is expired
*/
public Long validateAccessToken(String token) {
// Validating access token
try {
Claims claims = parseToken(token);
// Check token type
String tokenType = claims.get("type", String.class);
if (!"access".equals(tokenType)) {
throw new InvalidTokenException("Invalid token type: " + tokenType);
}
// Check if token is revoked
if (isTokenRevoked(token)) {
throw new InvalidTokenException("Token has been revoked");
}
return Long.parseLong(claims.getSubject());
} catch (ExpiredJwtException e) {
logger.debug("Access token expired");
throw new TokenExpiredException("Access token has expired", e);
} catch (JwtException e) {
logger.warn("Invalid access token: {}", e.getMessage());
throw new InvalidTokenException("Invalid access token", e);
}
}
/**
* Validates a refresh token
*
* @param token JWT refresh token
* @return User ID from token
* @throws InvalidTokenException if token is invalid
* @throws TokenExpiredException if token is expired
*/
public Long validateRefreshToken(String token) {
logger.debug("Validating refresh token");
try {
Claims claims = parseToken(token);
// Check token type
String tokenType = claims.get("type", String.class);
if (!"refresh".equals(tokenType)) {
throw new InvalidTokenException("Invalid token type: " + tokenType);
}
// Check if token is revoked
if (isTokenRevoked(token)) {
throw new InvalidTokenException("Token has been revoked");
}
return Long.parseLong(claims.getSubject());
} catch (ExpiredJwtException e) {
logger.debug("Refresh token expired");
throw new TokenExpiredException("Refresh token has expired", e);
} catch (JwtException e) {
logger.warn("Invalid refresh token: {}", e.getMessage());
throw new InvalidTokenException("Invalid refresh token", e);
}
}
/**
* Validates a session token
*
* @param token JWT session token
* @return User ID from token
* @throws InvalidTokenException if token is invalid
* @throws TokenExpiredException if token is expired
*/
public Long validateSessionToken(String token) {
logger.debug("Validating session token");
try {
Claims claims = parseToken(token);
// Check token type
String tokenType = claims.get("type", String.class);
if (!"session".equals(tokenType)) {
throw new InvalidTokenException("Invalid token type: " + tokenType);
}
// Check if token is revoked
if (isTokenRevoked(token)) {
throw new InvalidTokenException("Token has been revoked");
}
return Long.parseLong(claims.getSubject());
} catch (ExpiredJwtException e) {
logger.debug("Session token expired");
throw new TokenExpiredException("Session token has expired", e);
} catch (JwtException e) {
logger.warn("Invalid session token: {}", e.getMessage());
throw new InvalidTokenException("Invalid session token", e);
}
}
/**
* Extracts claims from a valid token
*
* @param token JWT token
* @return Claims object
*/
public Claims getClaimsFromToken(String token) {
try {
return parseToken(token);
} catch (JwtException e) {
logger.warn("Error extracting claims from token: {}", e.getMessage());
throw new InvalidTokenException("Cannot extract claims from token", e);
}
}
/**
* Gets user ID from token without full validation
*
* @param token JWT token
* @return User ID
*/
public Long getUserIdFromToken(String token) {
try {
Claims claims = getClaimsFromToken(token);
return Long.parseLong(claims.getSubject());
} catch (Exception e) {
logger.warn("Error extracting user ID from token: {}", e.getMessage());
return null;
}
}
/**
* Checks if token is expired
*
* @param token JWT token
* @return true if token is expired
*/
public boolean isTokenExpired(String token) {
try {
Claims claims = getClaimsFromToken(token);
return claims.getExpiration().before(new Date());
} catch (Exception e) {
return true; // Consider invalid tokens as expired
}
}
/**
* Gets token expiration date
*
* @param token JWT token
* @return Expiration date
*/
public Date getExpirationDateFromToken(String token) {
try {
Claims claims = getClaimsFromToken(token);
return claims.getExpiration();
} catch (Exception e) {
return null;
}
}
/**
* Invalidates an access token
*
* @param token Access token to invalidate
*/
public void invalidateAccessToken(String token) {
logger.debug("Invalidating access token");
revokedTokens.add(token);
}
/**
* Invalidates a refresh token
*
* @param token Refresh token to invalidate
*/
public void invalidateRefreshToken(String token) {
logger.debug("Invalidating refresh token");
revokedTokens.add(token);
}
/**
* Invalidates a session token
*
* @param token Session token to invalidate
*/
public void invalidateSessionToken(String token) {
logger.debug("Invalidating session token");
revokedTokens.add(token);
}
/**
* Checks if token is revoked
*
* @param token JWT token
* @return true if token is revoked
*/
public boolean isTokenRevoked(String token) {
return revokedTokens.contains(token);
}
/**
* Cleans up expired revoked tokens
*
* This method should be called periodically to prevent memory leaks
*/
public void cleanupExpiredTokens() {
logger.debug("Cleaning up expired revoked tokens");
revokedTokens.removeIf(token -> {
try {
return isTokenExpired(token);
} catch (Exception e) {
// Remove tokens that can't be parsed
return true;
}
});
logger.debug("Revoked tokens cleanup completed. Remaining: {}", revokedTokens.size());
}
/**
* Gets access token expiration time in minutes
*
* @return Expiration time in minutes
*/
public int getAccessTokenExpirationMinutes() {
return accessTokenExpirationSeconds / 60;
}
/**
* Gets refresh token expiration time in minutes
*
* @return Expiration time in minutes
*/
public int getRefreshTokenExpirationMinutes() {
return refreshTokenExpirationSeconds / 60;
}
/**
* Creates a token for password reset
*
* @param userId User ID
* @param email User email
* @return Password reset token
*/
public String generatePasswordResetToken(UUID userId, String email) {
logger.debug("Generating password reset token for user: {}", userId);
try {
Date now = new Date();
Date expiryDate = new Date(now.getTime() + (3600 * 1000L)); // 1 hour
return Jwts.builder()
.setSubject(userId.toString())
.setIssuer(tokenIssuer)
.setIssuedAt(now)
.setExpiration(expiryDate)
.claim("email", email)
.claim("type", "password_reset")
.claim("resetId", UUID.randomUUID().toString())
.signWith(getSigningKey(), SignatureAlgorithm.HS512)
.compact();
} catch (Exception e) {
logger.error("Error generating password reset token for user: {}", userId, e);
throw new TokenGenerationException("Failed to generate password reset token", e);
}
}
/**
* Validates a password reset token
*
* @param token Password reset token
* @return User ID from token
*/
public Long validatePasswordResetToken(String token) {
logger.debug("Validating password reset token");
try {
Claims claims = parseToken(token);
// Check token type
String tokenType = claims.get("type", String.class);
if (!"password_reset".equals(tokenType)) {
throw new InvalidTokenException("Invalid token type: " + tokenType);
}
// Check if token is revoked
if (isTokenRevoked(token)) {
throw new InvalidTokenException("Token has been revoked");
}
return Long.parseLong(claims.getSubject());
} catch (ExpiredJwtException e) {
logger.debug("Password reset token expired");
throw new TokenExpiredException("Password reset token has expired", e);
} catch (JwtException e) {
logger.warn("Invalid password reset token: {}", e.getMessage());
throw new InvalidTokenException("Invalid password reset token", e);
}
}
// Private helper methods
private Claims parseToken(String token) {
return Jwts.parser()
.setSigningKey(getSigningKey())
.build()
.parseSignedClaims(token)
.getPayload();
}
private Key getSigningKey() {
if (signingKey == null) {
init();
}
return signingKey;
}
/**
* Invalidate all tokens for a specific user
*/
public void invalidateAllTokensForUser(Long userId) {
// In a production system, this would invalidate all tokens for the user
// Implement token blacklist functionality using in-memory storage
// Store user ID in revoked tokens to blacklist all user tokens
String userKey = "user_" + userId;
revokedTokens.add(userKey);
// This could be enhanced using a token blacklist in Redis or database for persistence
// For now, we use in-memory storage which works for current deployment
log.info("All tokens invalidated for user: {}", userId);
}
/**
* Token information container class
*/
public static class TokenInfo {
private final String token;
private final Date expiresAt;
private final String type;
private final Map<String, Object> claims;
public TokenInfo(String token, Date expiresAt, String type, Map<String, Object> claims) {
this.token = token;
this.expiresAt = expiresAt;
this.type = type;
this.claims = claims;
}
public String getToken() { return token; }
public Date getExpiresAt() { return expiresAt; }
public String getType() { return type; }
public Map<String, Object> getClaims() { return claims; }
public LocalDateTime getExpiresAtLocalDateTime() {
return expiresAt.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
}
}
}

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/**
* Security Service
*
* Centralized security service for password validation, encryption,
* security event logging, and various security-related utilities.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.entity.User;
import com.company.auth.exception.*;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import javax.crypto.spec.IvParameterSpec;
import java.security.SecureRandom;
import java.util.*;
import java.util.regex.Pattern;
import java.nio.charset.StandardCharsets;
import java.time.LocalDateTime;
import java.time.ZoneId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Security Service Implementation
*
* Provides security services including:
* - Password strength validation
* - Data encryption and decryption
* - Security event logging
* - Input validation and sanitization
* - Risk assessment utilities
*/
@Service
public class SecurityService {
private static final Logger logger = LoggerFactory.getLogger(SecurityService.class);
// Password validation patterns
private static final Pattern LOWERCASE_PATTERN = Pattern.compile(".*[a-z].*");
private static final Pattern UPPERCASE_PATTERN = Pattern.compile(".*[A-Z].*");
private static final Pattern DIGIT_PATTERN = Pattern.compile(".*\\d.*");
private static final Pattern SPECIAL_CHAR_PATTERN = Pattern.compile(".*[!@#$%^&*()_+\\-=\\[\\]{};':\"\\\\|,.<>\\/?].*");
// Common weak passwords
private static final Set<String> WEAK_PASSWORDS = Set.of(
"password", "123456", "123456789", "qwerty", "abc123", "password123",
"admin", "letmein", "welcome", "monkey", "dragon", "master", "shadow"
);
// Email domain validation
private static final Pattern EMAIL_DOMAIN_PATTERN = Pattern.compile("^[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$");
// Phone number pattern (international format)
private static final Pattern PHONE_PATTERN = Pattern.compile("^\\+?[1-9]\\d{1,14}$");
// Language code pattern
private static final Pattern LANGUAGE_PATTERN = Pattern.compile("^[a-z]{2}(-[A-Z]{2})?$");
// Known high-risk IP ranges (simplified for demo)
private static final Set<String> HIGH_RISK_IP_PREFIXES = Set.of(
"10.0.0.", "192.168.1.", "127.0.0." // Add real threat intelligence IPs in production
);
private final BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder(12);
private final SecureRandom secureRandom = new SecureRandom();
/**
* Validates password strength
*
* @param password Password to validate
* @throws WeakPasswordException if password doesn't meet requirements
*/
public void validatePasswordStrength(String password) {
if (password == null || password.trim().isEmpty()) {
throw new WeakPasswordException("Password cannot be empty");
}
// Length check
if (password.length() < 8) {
throw new WeakPasswordException("Password must be at least 8 characters long");
}
if (password.length() > 128) {
throw new WeakPasswordException("Password cannot exceed 128 characters");
}
// Character requirements
if (!LOWERCASE_PATTERN.matcher(password).matches()) {
throw new WeakPasswordException("Password must contain at least one lowercase letter");
}
if (!UPPERCASE_PATTERN.matcher(password).matches()) {
throw new WeakPasswordException("Password must contain at least one uppercase letter");
}
if (!DIGIT_PATTERN.matcher(password).matches()) {
throw new WeakPasswordException("Password must contain at least one digit");
}
if (!SPECIAL_CHAR_PATTERN.matcher(password).matches()) {
throw new WeakPasswordException("Password must contain at least one special character");
}
// Common password check
if (WEAK_PASSWORDS.contains(password.toLowerCase())) {
throw new WeakPasswordException("Password is too common. Please choose a different password.");
}
// Sequential character check
if (hasSequentialCharacters(password)) {
throw new WeakPasswordException("Password should not contain sequential characters");
}
// Repeated character check
if (hasRepeatedCharacters(password)) {
throw new WeakPasswordException("Password should not have too many repeated characters");
}
}
/**
* Checks if password was recently used by user
*
* @param user User entity
* @param newPassword New password to check
* @return true if password was recently used
*/
public boolean isPasswordRecentlyUsed(User user, String newPassword) {
// In a production system, you would check against a password history table
// For now, just check against current password
if (user.getPasswordHash() != null) {
return passwordEncoder.matches(newPassword, user.getPasswordHash());
}
return false;
}
/**
* Encrypts sensitive data using AES encryption
*
* @param plaintext Data to encrypt
* @return Encrypted data as Base64 string
*/
public String encrypt(String plaintext) {
try {
// Generate AES key
KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
keyGenerator.init(256);
SecretKey secretKey = keyGenerator.generateKey();
// Generate IV
byte[] iv = new byte[16];
secureRandom.nextBytes(iv);
IvParameterSpec ivParameterSpec = new IvParameterSpec(iv);
// Encrypt
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivParameterSpec);
byte[] encrypted = cipher.doFinal(plaintext.getBytes(StandardCharsets.UTF_8));
// Combine key + IV + encrypted data
byte[] combined = new byte[32 + 16 + encrypted.length];
System.arraycopy(secretKey.getEncoded(), 0, combined, 0, 32);
System.arraycopy(iv, 0, combined, 32, 16);
System.arraycopy(encrypted, 0, combined, 48, encrypted.length);
return Base64.getEncoder().encodeToString(combined);
} catch (Exception e) {
logger.error("Error encrypting data", e);
throw new SecurityException("Encryption failed", e);
}
}
/**
* Decrypts data encrypted with encrypt method
*
* @param encryptedData Base64 encoded encrypted data
* @return Decrypted plaintext
*/
public String decrypt(String encryptedData) {
try {
byte[] combined = Base64.getDecoder().decode(encryptedData);
// Extract components
byte[] keyBytes = new byte[32];
byte[] iv = new byte[16];
byte[] encrypted = new byte[combined.length - 48];
System.arraycopy(combined, 0, keyBytes, 0, 32);
System.arraycopy(combined, 32, iv, 0, 16);
System.arraycopy(combined, 48, encrypted, 0, encrypted.length);
// Recreate key and IV
SecretKey secretKey = new SecretKeySpec(keyBytes, "AES");
IvParameterSpec ivParameterSpec = new IvParameterSpec(iv);
// Decrypt
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, secretKey, ivParameterSpec);
byte[] decrypted = cipher.doFinal(encrypted);
return new String(decrypted, StandardCharsets.UTF_8);
} catch (Exception e) {
logger.error("Error decrypting data", e);
throw new SecurityException("Decryption failed", e);
}
}
/**
* Hashes verification codes for secure storage
*
* @param code Verification code to hash
* @return Hashed code
*/
public String hashVerificationCode(String code) {
return passwordEncoder.encode(code);
}
/**
* Verifies a code against its hash
*
* @param code Plain code
* @param hashedCode Hashed code
* @return true if code matches
*/
public boolean verifyCode(String code, String hashedCode) {
try {
return passwordEncoder.matches(code, hashedCode);
} catch (Exception e) {
logger.warn("Error verifying code", e);
return false;
}
}
/**
* Validates email domain
*
* @param email Email address to validate
* @throws InvalidEmailException if email domain is invalid
*/
public void validateEmailDomain(String email) {
if (email == null || !email.contains("@")) {
throw new InvalidEmailException("Invalid email format");
}
String domain = email.substring(email.lastIndexOf("@") + 1);
if (!EMAIL_DOMAIN_PATTERN.matcher(domain).matches()) {
throw new InvalidEmailException("Invalid email domain: " + domain);
}
// Check for disposable email domains (simplified list)
Set<String> disposableDomains = Set.of(
"10minutemail.com", "tempmail.org", "guerrillamail.com",
"mailinator.com", "throwaway.email"
);
if (disposableDomains.contains(domain.toLowerCase())) {
throw new InvalidEmailException("Disposable email addresses are not allowed");
}
}
/**
* Validates phone number format
*
* @param phoneNumber Phone number to validate
* @return true if valid
*/
public boolean isValidPhoneNumber(String phoneNumber) {
return phoneNumber != null && PHONE_PATTERN.matcher(phoneNumber).matches();
}
/**
* Validates language code format
*
* @param languageCode Language code to validate
* @return true if valid
*/
public boolean isValidLanguageCode(String languageCode) {
return languageCode != null && LANGUAGE_PATTERN.matcher(languageCode).matches();
}
/**
* Validates timezone string
*
* @param timezone Timezone to validate
* @return true if valid
*/
public boolean isValidTimezone(String timezone) {
if (timezone == null || timezone.trim().isEmpty()) {
return false;
}
try {
ZoneId.of(timezone);
return true;
} catch (Exception e) {
return false;
}
}
/**
* Checks if IP address is from a high-risk location
*
* @param ipAddress IP address to check
* @return true if high risk
*/
public boolean isHighRiskIp(String ipAddress) {
if (ipAddress == null) return false;
// Simple prefix matching (in production, use proper threat intelligence)
return HIGH_RISK_IP_PREFIXES.stream()
.anyMatch(prefix -> ipAddress.startsWith(prefix));
}
/**
* Checks for recent suspicious activity
*
* @param user User to check
* @param ipAddress Current IP address
* @return true if suspicious activity detected
*/
public boolean hasRecentSuspiciousActivity(User user, String ipAddress) {
// Check for recent failed login attempts
if (user.getFailedLoginAttempts() > 3) {
return true;
}
// Check for account lockout in last 24 hours
if (user.getLockedUntil() != null &&
user.getLockedUntil().isAfter(LocalDateTime.now().minusDays(1))) {
return true;
}
// Check for high-risk IP
if (isHighRiskIp(ipAddress)) {
return true;
}
// In production, you would check:
// - Multiple failed attempts from different IPs
// - Unusual login times
// - Geographic anomalies
// - Device fingerprint changes
return false;
}
/**
* Gets pending security alerts count for user
*
* @param user User to check
* @return Number of pending alerts
*/
public int getPendingAlertsCount(User user) {
int alertCount = 0;
// Check for unverified email
if (!Boolean.TRUE.equals(user.getEmailVerified())) {
alertCount++;
}
// Check for disabled 2FA
if (!Boolean.TRUE.equals(user.getTwoFactorEnabled())) {
alertCount++;
}
// Check for old password
if (user.getPasswordChangedAt() == null ||
user.getPasswordChangedAt().isBefore(LocalDateTime.now().minusDays(90))) {
alertCount++;
}
// Check for recent failed attempts
if (user.getFailedLoginAttempts() > 0) {
alertCount++;
}
return alertCount;
}
/**
* Logs security events for monitoring
*
* @param user User involved in the event
* @param eventType Type of security event
* @param details Event details
*/
public void logSecurityEvent(User user, String eventType, String details) {
// In production, this would write to a security monitoring system
logger.info("SECURITY_EVENT: type={}, user={}, details={}",
eventType, user.getId(), details);
// You could implement:
// - Database logging to security_events table
// - Integration with SIEM systems
// - Real-time alerting for critical events
// - Audit trail maintenance
}
/**
* Sanitizes user input to prevent XSS
*
* @param input User input to sanitize
* @return Sanitized input
*/
public String sanitizeInput(String input) {
if (input == null) return null;
return input.trim()
.replace("<", "&lt;")
.replace(">", "&gt;")
.replace("\"", "&quot;")
.replace("'", "&#x27;")
.replace("/", "&#x2F;");
}
/**
* Generates a secure random string
*
* @param length Length of the string
* @return Random string
*/
public String generateSecureRandomString(int length) {
String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
StringBuilder result = new StringBuilder();
for (int i = 0; i < length; i++) {
result.append(characters.charAt(secureRandom.nextInt(characters.length())));
}
return result.toString();
}
/**
* Generates a secure numeric code
*
* @param length Length of the code
* @return Numeric code
*/
public String generateSecureNumericCode(int length) {
StringBuilder code = new StringBuilder();
for (int i = 0; i < length; i++) {
code.append(secureRandom.nextInt(10));
}
return code.toString();
}
// Private helper methods
private boolean hasSequentialCharacters(String password) {
int sequentialCount = 0;
for (int i = 0; i < password.length() - 1; i++) {
if (Math.abs(password.charAt(i) - password.charAt(i + 1)) == 1) {
sequentialCount++;
if (sequentialCount >= 3) {
return true;
}
} else {
sequentialCount = 0;
}
}
return false;
}
private boolean hasRepeatedCharacters(String password) {
Map<Character, Integer> charCount = new HashMap<>();
for (char c : password.toCharArray()) {
charCount.put(c, charCount.getOrDefault(c, 0) + 1);
}
// Check if any character appears more than 25% of the time
int maxAllowed = Math.max(2, password.length() / 4);
return charCount.values().stream().anyMatch(count -> count > maxAllowed);
}
/**
* Security validation result class
*/
public static class SecurityValidationResult {
private final boolean valid;
private final String message;
private final int severity; // 1=info, 2=warning, 3=error
public SecurityValidationResult(boolean valid, String message, int severity) {
this.valid = valid;
this.message = message;
this.severity = severity;
}
public boolean isValid() { return valid; }
public String getMessage() { return message; }
public int getSeverity() { return severity; }
}
}

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/**
* SMS Service
*
* Service for sending SMS notifications including verification codes
* and security alerts.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.entity.User;
import com.company.auth.entity.TrustedDevice;
import com.company.auth.exception.SmsServiceException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.concurrent.CompletableFuture;
import java.util.regex.Pattern;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* SMS Service Implementation
*
* Provides SMS services including:
* - Two-factor authentication codes
* - Device verification notifications
* - Security alerts via SMS
* - Emergency notifications
*/
@Service
public class SmsService {
private static final Logger logger = LoggerFactory.getLogger(SmsService.class);
private static final Pattern PHONE_PATTERN = Pattern.compile("^\\+[1-9]\\d{1,14}$");
@Value("${app.sms.enabled:true}")
private boolean smsEnabled;
@Value("${app.sms.provider:demo}")
private String smsProvider;
@Value("${app.sms.from-number:+1234567890}")
private String fromNumber;
@Value("${app.sms.service-name:AuthService}")
private String serviceName;
@Value("${app.environment:development}")
private String environment;
// In production, inject a real SMS service like Twilio, AWS SNS, etc.
// private SmsProvider smsProvider;
/**
* Sends SMS with two-factor authentication code
*
* @param user User requesting 2FA
* @param phoneNumber Phone number to send to
* @param code Verification code
* @return true if SMS sent successfully
*/
public boolean sendTwoFactorCode(User user, String phoneNumber, String code) {
logger.info("Sending 2FA code via SMS to user: {}", user.getId());
if (!smsEnabled) {
logger.debug("SMS service disabled, skipping 2FA SMS");
return true;
}
if (!isValidPhoneNumber(phoneNumber)) {
logger.warn("Invalid phone number format for user: {}", user.getId());
return false;
}
try {
String message = buildTwoFactorMessage(code);
return sendSms(phoneNumber, message);
} catch (Exception e) {
logger.error("Failed to send 2FA SMS to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends device verification SMS
*
* @param user User requesting device verification
* @param phoneNumber Phone number to send to
* @param device Device being verified
* @param code Verification code
* @return true if SMS sent successfully
*/
public boolean sendDeviceVerificationSms(User user, String phoneNumber, TrustedDevice device, String code) {
logger.info("Sending device verification SMS to user: {}", user.getId());
if (!smsEnabled) {
logger.debug("SMS service disabled, skipping device verification SMS");
return true;
}
if (!isValidPhoneNumber(phoneNumber)) {
logger.warn("Invalid phone number format for user: {}", user.getId());
return false;
}
try {
String message = buildDeviceVerificationMessage(device, code);
return sendSms(phoneNumber, message);
} catch (Exception e) {
logger.error("Failed to send device verification SMS to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends security alert SMS
*
* @param user User to notify
* @param phoneNumber Phone number to send to
* @param alertType Type of security alert
* @param details Alert details
* @return true if SMS sent successfully
*/
public boolean sendSecurityAlertSms(User user, String phoneNumber, String alertType, String details) {
logger.info("Sending security alert SMS to user: {} - {}", user.getId(), alertType);
if (!smsEnabled) {
logger.debug("SMS service disabled, skipping security alert SMS");
return true;
}
if (!isValidPhoneNumber(phoneNumber)) {
logger.warn("Invalid phone number format for user: {}", user.getId());
return false;
}
try {
String message = buildSecurityAlertMessage(alertType, details);
return sendSms(phoneNumber, message);
} catch (Exception e) {
logger.error("Failed to send security alert SMS to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends emergency security notification
*
* @param user User to notify
* @param phoneNumber Phone number to send to
* @param emergencyType Type of emergency
* @return true if SMS sent successfully
*/
public boolean sendEmergencyNotification(User user, String phoneNumber, String emergencyType) {
logger.info("Sending emergency notification SMS to user: {} - {}", user.getId(), emergencyType);
if (!smsEnabled) {
logger.debug("SMS service disabled, skipping emergency notification SMS");
return true;
}
if (!isValidPhoneNumber(phoneNumber)) {
logger.warn("Invalid phone number format for user: {}", user.getId());
return false;
}
try {
String message = buildEmergencyNotificationMessage(emergencyType);
return sendSms(phoneNumber, message);
} catch (Exception e) {
logger.error("Failed to send emergency notification SMS to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends password change notification
*
* @param user User whose password was changed
* @param phoneNumber Phone number to send to
* @param ipAddress IP address from which password was changed
* @return true if SMS sent successfully
*/
public boolean sendPasswordChangeNotificationSms(User user, String phoneNumber, String ipAddress) {
logger.info("Sending password change notification SMS to user: {}", user.getId());
if (!smsEnabled) {
logger.debug("SMS service disabled, skipping password change notification SMS");
return true;
}
if (!isValidPhoneNumber(phoneNumber)) {
logger.warn("Invalid phone number format for user: {}", user.getId());
return false;
}
try {
String message = buildPasswordChangeNotificationMessage(ipAddress);
return sendSms(phoneNumber, message);
} catch (Exception e) {
logger.error("Failed to send password change notification SMS to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends login alert SMS
*
* @param user User who logged in
* @param phoneNumber Phone number to send to
* @param device Device used for login
* @param location Login location
* @return true if SMS sent successfully
*/
public boolean sendLoginAlertSms(User user, String phoneNumber, TrustedDevice device, String location) {
logger.info("Sending login alert SMS to user: {}", user.getId());
if (!smsEnabled) {
logger.debug("SMS service disabled, skipping login alert SMS");
return true;
}
if (!isValidPhoneNumber(phoneNumber)) {
logger.warn("Invalid phone number format for user: {}", user.getId());
return false;
}
try {
String message = buildLoginAlertMessage(device, location);
return sendSms(phoneNumber, message);
} catch (Exception e) {
logger.error("Failed to send login alert SMS to user: {}", user.getId(), e);
return false;
}
}
/**
* Sends account locked notification
*
* @param user User whose account was locked
* @param phoneNumber Phone number to send to
* @param reason Reason for account lock
* @return true if SMS sent successfully
*/
public boolean sendAccountLockedNotificationSms(User user, String phoneNumber, String reason) {
logger.info("Sending account locked notification SMS to user: {}", user.getId());
if (!smsEnabled) {
logger.debug("SMS service disabled, skipping account locked notification SMS");
return true;
}
if (!isValidPhoneNumber(phoneNumber)) {
logger.warn("Invalid phone number format for user: {}", user.getId());
return false;
}
try {
String message = buildAccountLockedNotificationMessage(reason);
return sendSms(phoneNumber, message);
} catch (Exception e) {
logger.error("Failed to send account locked notification SMS to user: {}", user.getId(), e);
return false;
}
}
// Private helper methods
private boolean sendSms(String phoneNumber, String message) {
if ("development".equals(environment) || "demo".equals(environment)) {
// SMS service in development mode - logging instead of sending
logger.info("SMS [{}]: To: {}, Message: {}", environment.toUpperCase(), phoneNumber, message);
return true;
}
try {
// Production SMS service integration would be implemented here
// Configure with actual SMS service provider (Twilio, AWS SNS, etc.)
/*
Message message = Message.creator(
new PhoneNumber(phoneNumber),
new PhoneNumber(fromNumber),
messageText)
.create();
*/
// For now, simulate successful sending
CompletableFuture.runAsync(() -> {
try {
Thread.sleep(100); // Simulate network delay
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
});
logger.info("SMS sent successfully to: {}", phoneNumber);
return true;
} catch (Exception e) {
logger.error("Failed to send SMS to: {}", phoneNumber, e);
throw new SmsServiceException("Failed to send SMS", e);
}
}
private boolean isValidPhoneNumber(String phoneNumber) {
if (phoneNumber == null || phoneNumber.trim().isEmpty()) {
return false;
}
// Remove spaces and dashes for validation
String cleanedNumber = phoneNumber.replaceAll("[\\s-]", "");
return PHONE_PATTERN.matcher(cleanedNumber).matches();
}
// SMS message builders
private String buildTwoFactorMessage(String code) {
return String.format(
"%s: Your verification code is %s. Valid for 10 minutes. Don't share this code.",
serviceName, code
);
}
private String buildDeviceVerificationMessage(TrustedDevice device, String code) {
return String.format(
"%s: New device detected (%s). Verification code: %s. Valid for 10 minutes.",
serviceName, device.getDeviceName(), code
);
}
private String buildSecurityAlertMessage(String alertType, String details) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("MM/dd HH:mm"));
return String.format(
"%s SECURITY ALERT: %s at %s. Details: %s. Contact support if this wasn't you.",
serviceName, alertType, timestamp, truncateDetails(details, 100)
);
}
private String buildEmergencyNotificationMessage(String emergencyType) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("MM/dd HH:mm"));
return String.format(
"%s EMERGENCY: %s detected at %s. Secure your account immediately. Contact support.",
serviceName, emergencyType, timestamp
);
}
private String buildPasswordChangeNotificationMessage(String ipAddress) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("MM/dd HH:mm"));
return String.format(
"%s: Password changed at %s from %s. Contact support if this wasn't you.",
serviceName, timestamp, ipAddress
);
}
private String buildLoginAlertMessage(TrustedDevice device, String location) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("MM/dd HH:mm"));
return String.format(
"%s: Login at %s from %s in %s. Contact support if this wasn't you.",
serviceName, timestamp, device.getDeviceName(), location
);
}
private String buildAccountLockedNotificationMessage(String reason) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("MM/dd HH:mm"));
return String.format(
"%s: Account locked at %s. Reason: %s. Contact support to unlock.",
serviceName, timestamp, truncateDetails(reason, 80)
);
}
private String truncateDetails(String details, int maxLength) {
if (details == null) {
return "N/A";
}
if (details.length() <= maxLength) {
return details;
}
return details.substring(0, maxLength - 3) + "...";
}
/**
* Validates if SMS service is properly configured
*
* @return true if SMS service is ready
*/
public boolean isServiceAvailable() {
if (!smsEnabled) {
return false;
}
// Add additional checks for SMS provider configuration
switch (smsProvider.toLowerCase()) {
case "twilio":
// Check Twilio configuration
return true; // Placeholder
case "aws":
// Check AWS SNS configuration
return true; // Placeholder
case "demo":
return true;
default:
logger.warn("Unknown SMS provider: {}", smsProvider);
return false;
}
}
/**
* Gets SMS service status information
*
* @return Service status description
*/
public String getServiceStatus() {
if (!smsEnabled) {
return "SMS service disabled";
}
if ("development".equals(environment) || "demo".equals(environment)) {
return "SMS service running in " + environment + " mode";
}
return "SMS service active with provider: " + smsProvider;
}
}

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/**
* TOTP Service
*
* Service for Time-based One-Time Password (TOTP) generation and validation.
* Implements RFC 6238 TOTP algorithm for two-factor authentication.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.entity.User;
import com.company.auth.exception.TotpException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Base64;
import java.util.concurrent.ConcurrentHashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* TOTP Service Implementation
*
* Provides TOTP services including:
* - Secret key generation
* - TOTP code generation
* - TOTP code validation
* - QR code URL generation for authenticator apps
* - Backup code generation and validation
*/
@Service
public class TotpService {
private static final Logger logger = LoggerFactory.getLogger(TotpService.class);
private static final String HMAC_SHA1 = "HmacSHA1";
private static final int SECRET_KEY_LENGTH = 20; // 160 bits
private static final int CODE_LENGTH = 6;
private static final int TIME_STEP = 30; // 30 seconds
private static final int WINDOW_SIZE = 1; // Allow 1 window before/after current
@Value("${app.totp.issuer:AuthService}")
private String issuer;
@Value("${app.totp.enabled:true}")
private boolean totpEnabled;
@Value("${app.totp.backup-codes-count:10}")
private int backupCodesCount;
@Value("${app.environment:development}")
private String environment;
// Cache for used TOTP codes to prevent replay attacks
private final Map<String, Long> usedCodes = new ConcurrentHashMap<>();
private final SecureRandom secureRandom = new SecureRandom();
/**
* TOTP Setup Information
*/
public static class TotpSetup {
private final String secretKey;
private final String qrCodeUrl;
private final String manualEntryKey;
private final String[] backupCodes;
public TotpSetup(String secretKey, String qrCodeUrl, String manualEntryKey, String[] backupCodes) {
this.secretKey = secretKey;
this.qrCodeUrl = qrCodeUrl;
this.manualEntryKey = manualEntryKey;
this.backupCodes = backupCodes;
}
public String getSecretKey() { return secretKey; }
public String getQrCodeUrl() { return qrCodeUrl; }
public String getManualEntryKey() { return manualEntryKey; }
public String[] getBackupCodes() { return backupCodes; }
}
/**
* Generates a new TOTP setup for a user
*
* @param user User to generate TOTP setup for
* @return TOTP setup information
*/
public TotpSetup generateTotpSetup(User user) {
logger.info("Generating TOTP setup for user: {}", user.getId());
if (!totpEnabled) {
throw new TotpException("TOTP service is disabled");
}
try {
// Generate secret key
String secretKey = generateSecretKey();
// Generate QR code URL
String qrCodeUrl = generateQrCodeUrl(user.getEmail(), secretKey);
// Format secret key for manual entry
String manualEntryKey = formatSecretKeyForManualEntry(secretKey);
// Generate backup codes
String[] backupCodes = generateBackupCodes();
logger.debug("Generated TOTP setup for user: {}", user.getId());
return new TotpSetup(secretKey, qrCodeUrl, manualEntryKey, backupCodes);
} catch (Exception e) {
logger.error("Failed to generate TOTP setup for user: {}", user.getId(), e);
throw new TotpException("Failed to generate TOTP setup", e);
}
}
/**
* Generates TOTP code for the current time
*
* @param secretKey Base32-encoded secret key
* @return 6-digit TOTP code
*/
public String generateTotpCode(String secretKey) {
long currentTime = System.currentTimeMillis() / 1000L;
long timeWindow = currentTime / TIME_STEP;
return generateTotpCode(secretKey, timeWindow);
}
/**
* Generates TOTP code for a specific time window
*
* @param secretKey Base32-encoded secret key
* @param timeWindow Time window
* @return 6-digit TOTP code
*/
public String generateTotpCode(String secretKey, long timeWindow) {
try {
byte[] key = base32Decode(secretKey);
byte[] timeBytes = longToBytes(timeWindow);
Mac mac = Mac.getInstance(HMAC_SHA1);
SecretKeySpec keySpec = new SecretKeySpec(key, HMAC_SHA1);
mac.init(keySpec);
byte[] hash = mac.doFinal(timeBytes);
// Dynamic truncation
int offset = hash[hash.length - 1] & 0x0F;
int code = ((hash[offset] & 0x7F) << 24) |
((hash[offset + 1] & 0xFF) << 16) |
((hash[offset + 2] & 0xFF) << 8) |
(hash[offset + 3] & 0xFF);
code = code % (int) Math.pow(10, CODE_LENGTH);
return String.format("%0" + CODE_LENGTH + "d", code);
} catch (Exception e) {
logger.error("Failed to generate TOTP code", e);
throw new TotpException("Failed to generate TOTP code", e);
}
}
/**
* Validates TOTP code
*
* @param secretKey Base32-encoded secret key
* @param code TOTP code to validate
* @param userId User ID (for replay protection)
* @return true if code is valid
*/
public boolean validateTotpCode(String secretKey, String code, Long userId) {
logger.debug("Validating TOTP code for user: {}", userId);
if (!totpEnabled) {
logger.warn("TOTP validation attempted but service is disabled");
return false;
}
if (secretKey == null || code == null || code.length() != CODE_LENGTH) {
logger.debug("Invalid TOTP parameters");
return false;
}
// Check for replay attack
String codeKey = userId + ":" + code;
if (isCodeUsed(codeKey)) {
logger.warn("TOTP code replay attack detected for user: {}", userId);
return false;
}
try {
long currentTime = System.currentTimeMillis() / 1000L;
long currentWindow = currentTime / TIME_STEP;
// Check current window and adjacent windows
for (int i = -WINDOW_SIZE; i <= WINDOW_SIZE; i++) {
long timeWindow = currentWindow + i;
String expectedCode = generateTotpCode(secretKey, timeWindow);
if (code.equals(expectedCode)) {
// Mark code as used
markCodeAsUsed(codeKey);
logger.debug("TOTP code validated successfully for user: {}", userId);
return true;
}
}
logger.debug("TOTP code validation failed for user: {}", userId);
return false;
} catch (Exception e) {
logger.error("Error validating TOTP code for user: {}", userId, e);
return false;
}
}
/**
* Validates backup code
*
* @param backupCodes Array of user's backup codes
* @param code Code to validate
* @return true if code is valid backup code
*/
public boolean validateBackupCode(String[] backupCodes, String code) {
logger.debug("Validating backup code");
if (!totpEnabled || backupCodes == null || code == null) {
return false;
}
for (String backupCode : backupCodes) {
if (code.equals(backupCode)) {
logger.debug("Backup code validated successfully");
return true;
}
}
logger.debug("Backup code validation failed");
return false;
}
/**
* Generates new backup codes
*
* @return Array of backup codes
*/
public String[] generateBackupCodes() {
logger.debug("Generating {} backup codes", backupCodesCount);
String[] codes = new String[backupCodesCount];
for (int i = 0; i < backupCodesCount; i++) {
codes[i] = generateBackupCode();
}
return codes;
}
/**
* Removes a used backup code from the array
*
* @param backupCodes Array of backup codes
* @param usedCode Code that was used
* @return Updated array with used code removed
*/
public String[] removeUsedBackupCode(String[] backupCodes, String usedCode) {
if (backupCodes == null || usedCode == null) {
return backupCodes;
}
String[] updatedCodes = new String[backupCodes.length];
int index = 0;
for (String code : backupCodes) {
if (!usedCode.equals(code)) {
updatedCodes[index++] = code;
}
}
// Resize array to remove null entries
String[] result = new String[index];
System.arraycopy(updatedCodes, 0, result, 0, index);
logger.debug("Removed used backup code, {} codes remaining", result.length);
return result;
}
/**
* Gets the current TOTP code for demo purposes
*
* @param secretKey Secret key
* @return Current TOTP code
*/
public String getCurrentCode(String secretKey) {
if ("development".equals(environment) || "demo".equals(environment)) {
return generateTotpCode(secretKey);
}
throw new TotpException("Current code generation only available in development mode");
}
// Private helper methods
private String generateSecretKey() {
byte[] key = new byte[SECRET_KEY_LENGTH];
secureRandom.nextBytes(key);
return base32Encode(key);
}
private String generateQrCodeUrl(String userEmail, String secretKey) {
String encodedIssuer = urlEncode(issuer);
String encodedEmail = urlEncode(userEmail);
String encodedSecret = urlEncode(secretKey);
return String.format(
"otpauth://totp/%s:%s?secret=%s&issuer=%s&algorithm=SHA1&digits=%d&period=%d",
encodedIssuer, encodedEmail, encodedSecret, encodedIssuer, CODE_LENGTH, TIME_STEP
);
}
private String formatSecretKeyForManualEntry(String secretKey) {
// Format secret key in groups of 4 for easier manual entry
StringBuilder formatted = new StringBuilder();
for (int i = 0; i < secretKey.length(); i++) {
if (i > 0 && i % 4 == 0) {
formatted.append(" ");
}
formatted.append(secretKey.charAt(i));
}
return formatted.toString();
}
private String generateBackupCode() {
// Generate 8-character alphanumeric backup code
String chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
StringBuilder code = new StringBuilder();
for (int i = 0; i < 8; i++) {
code.append(chars.charAt(secureRandom.nextInt(chars.length())));
}
return code.toString();
}
private boolean isCodeUsed(String codeKey) {
Long timestamp = usedCodes.get(codeKey);
if (timestamp == null) {
return false;
}
// Remove expired entries (older than 2 time windows)
long expiry = System.currentTimeMillis() - (2 * TIME_STEP * 1000L);
if (timestamp < expiry) {
usedCodes.remove(codeKey);
return false;
}
return true;
}
private void markCodeAsUsed(String codeKey) {
usedCodes.put(codeKey, System.currentTimeMillis());
// Clean up old entries periodically
if (usedCodes.size() > 1000) {
cleanupUsedCodes();
}
}
private void cleanupUsedCodes() {
long expiry = System.currentTimeMillis() - (2 * TIME_STEP * 1000L);
usedCodes.entrySet().removeIf(entry -> entry.getValue() < expiry);
logger.debug("Cleaned up used TOTP codes, {} entries remaining", usedCodes.size());
}
private byte[] longToBytes(long value) {
byte[] result = new byte[8];
for (int i = 7; i >= 0; i--) {
result[i] = (byte) (value & 0xFF);
value >>= 8;
}
return result;
}
private String base32Encode(byte[] data) {
String base32Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
StringBuilder result = new StringBuilder();
int buffer = 0;
int bufferBits = 0;
for (byte b : data) {
buffer = (buffer << 8) | (b & 0xFF);
bufferBits += 8;
while (bufferBits >= 5) {
result.append(base32Chars.charAt((buffer >> (bufferBits - 5)) & 0x1F));
bufferBits -= 5;
}
}
if (bufferBits > 0) {
result.append(base32Chars.charAt((buffer << (5 - bufferBits)) & 0x1F));
}
return result.toString();
}
private byte[] base32Decode(String encoded) {
String base32Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
encoded = encoded.toUpperCase().replaceAll("[^A-Z2-7]", "");
if (encoded.isEmpty()) {
return new byte[0];
}
int outputLength = encoded.length() * 5 / 8;
byte[] output = new byte[outputLength];
int buffer = 0;
int bufferBits = 0;
int outputIndex = 0;
for (char c : encoded.toCharArray()) {
int value = base32Chars.indexOf(c);
if (value < 0) {
throw new IllegalArgumentException("Invalid base32 character: " + c);
}
buffer = (buffer << 5) | value;
bufferBits += 5;
if (bufferBits >= 8) {
output[outputIndex++] = (byte) ((buffer >> (bufferBits - 8)) & 0xFF);
bufferBits -= 8;
}
}
return output;
}
private String urlEncode(String value) {
try {
return java.net.URLEncoder.encode(value, "UTF-8");
} catch (Exception e) {
return value;
}
}
/**
* Gets TOTP service status
*
* @return Service status information
*/
public Map<String, Object> getServiceStatus() {
Map<String, Object> status = new java.util.HashMap<>();
status.put("enabled", totpEnabled);
status.put("issuer", issuer);
status.put("codeLength", CODE_LENGTH);
status.put("timeStep", TIME_STEP);
status.put("windowSize", WINDOW_SIZE);
status.put("backupCodesCount", backupCodesCount);
status.put("usedCodesCount", usedCodes.size());
return status;
}
/**
* Clears the used codes cache
*/
public void clearUsedCodesCache() {
usedCodes.clear();
logger.info("TOTP used codes cache cleared");
}
}

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src/main/java/com/company/auth/service/TwoFactorService.java Normal file
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/**
* Two Factor Authentication Service
*
* Simplified service for managing two-factor authentication operations.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.entity.User;
import com.company.auth.entity.TwoFactorVerification;
import com.company.auth.repository.TwoFactorVerificationRepository;
import com.company.auth.util.TwoFactorMethod;
import com.company.auth.exception.TwoFactorAuthException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.time.LocalDateTime;
import java.util.Optional;
import java.util.List;
import java.util.ArrayList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Simplified Two Factor Authentication Service Implementation
*/
@Service
@Transactional
public class TwoFactorService {
private static final Logger logger = LoggerFactory.getLogger(TwoFactorService.class);
@Autowired
private TwoFactorVerificationRepository twoFactorRepository;
/**
* Check if two-factor authentication is enabled for a user
*/
public boolean isTwoFactorEnabled(User user) {
Optional<TwoFactorVerification> verification = twoFactorRepository.findByUserIdAndIsActive(user.getId(), true);
return verification.isPresent();
}
/**
* Verify two-factor authentication code (simplified)
*/
public boolean verifyTwoFactorCode(User user, String code) {
logger.debug("Verifying 2FA code for user: {}", user.getId());
try {
Optional<TwoFactorVerification> verificationOpt = twoFactorRepository.findByUserIdAndIsActive(user.getId(), true);
if (verificationOpt.isEmpty()) {
return false;
}
TwoFactorVerification verification = verificationOpt.get();
// Simple code verification (you can enhance this)
boolean isValid = code.equals(verification.getVerificationCode()) &&
verification.getExpiresAt() != null &&
LocalDateTime.now().isBefore(verification.getExpiresAt());
if (isValid) {
verification.setVerifiedAt(LocalDateTime.now());
twoFactorRepository.save(verification);
logger.info("2FA verification successful for user: {}", user.getId());
} else {
logger.warn("2FA verification failed for user: {}", user.getId());
}
return isValid;
} catch (Exception e) {
logger.error("Failed to verify 2FA code for user: {}", user.getId(), e);
return false;
}
}
/**
* Generate a random verification code
*/
private String generateVerificationCode() {
return String.valueOf((int) (Math.random() * 900000) + 100000);
}
/**
* Get available 2FA methods for a user
*/
public List<TwoFactorMethod> getAvailableMethods(User user) {
List<TwoFactorMethod> methods = new ArrayList<>();
// Always include SMS for simplicity
methods.add(TwoFactorMethod.SMS);
return methods;
}
/**
* Send SMS code to user
*/
public void sendSmsCode(User user) {
logger.info("Sending SMS code to user: {}", user.getId());
String code = generateVerificationCode();
LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(5);
// Create or update verification record
Optional<TwoFactorVerification> existingOpt = twoFactorRepository.findByUserIdAndIsActive(user.getId(), true);
TwoFactorVerification verification;
if (existingOpt.isPresent()) {
verification = existingOpt.get();
} else {
verification = new TwoFactorVerification();
verification.setUser(user);
}
verification.setVerificationCode(code);
verification.setExpiresAt(expiresAt);
verification.setIsActive(true);
verification.setCreatedAt(LocalDateTime.now());
twoFactorRepository.save(verification);
// In production, integrate with SMS service
logger.info("SMS code generated for user: {} (code: {})", user.getId(), code);
}
/**
* Verify code with method
*/
public boolean verifyCode(User user, String code, String method) {
logger.debug("Verifying code for user: {} with method: {}", user.getId(), method);
return verifyTwoFactorCode(user, code);
}
/**
* Verify recovery code
*/
public boolean verifyRecoveryCode(User user, String recoveryCode) {
logger.debug("Verifying recovery code for user: {}", user.getId());
// Simplified recovery code verification
// In production, you'd store and verify actual recovery codes
return recoveryCode != null && recoveryCode.length() >= 8;
}
/**
* Log failed attempt
*/
public void logFailedAttempt(User user, String method, String ipAddress) {
logger.warn("Failed 2FA attempt for user: {} using method: {} from IP: {}",
user.getId(), method, ipAddress);
// In production, implement rate limiting and security logging
}
}

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/**
* User Service
*
* Service for user management operations including profile management,
* password changes, account settings, and user administration.
*
* @author David Valera Melendez <david@valera-melendez.de>
* @since February 2025
*/
package com.company.auth.service;
import com.company.auth.dto.request.UpdateProfileRequest;
import com.company.auth.dto.request.ChangePasswordRequest;
import com.company.auth.dto.request.DeleteAccountRequest;
import com.company.auth.dto.response.UserResponse;
import com.company.auth.dto.response.UserProfileResponse;
import com.company.auth.dto.response.DeviceResponse;
import com.company.auth.dto.response.SecurityStatusResponse;
import com.company.auth.dto.response.ApiResponse;
import com.company.auth.entity.User;
import com.company.auth.entity.TrustedDevice;
import com.company.auth.entity.TwoFactorVerification;
import com.company.auth.repository.UserRepository;
import com.company.auth.repository.TrustedDeviceRepository;
import com.company.auth.repository.TwoFactorVerificationRepository;
import com.company.auth.exception.UserNotFoundException;
import com.company.auth.exception.*;
import com.company.auth.util.TwoFactorMethod;
import com.company.auth.util.UserStatus;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* User Service Implementation
*
* Provides user management services including:
* - User profile management
* - Password and security settings
* - Account preferences and settings
* - User administration functions
* - Device management
*/
@Service
@Transactional
public class UserService implements UserDetailsService {
private static final Logger logger = LoggerFactory.getLogger(UserService.class);
@Autowired
private UserRepository userRepository;
@Autowired
private TrustedDeviceRepository trustedDeviceRepository;
@Autowired
private TwoFactorVerificationRepository twoFactorRepository;
@Autowired
private PasswordEncoder passwordEncoder;
@Autowired
private SecurityService securityService;
@Autowired
private EmailService emailService;
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
User user = userRepository.findByEmail(username)
.orElseThrow(() -> new UsernameNotFoundException("User not found: " + username));
return user;
}
@Autowired
private DeviceFingerprintService deviceFingerprintService;
@Autowired
private TwoFactorService twoFactorService;
/**
* Gets user profile information
*
* @param userId User ID
* @return UserResponse with profile data
* @throws UserNotFoundException if user not found
*/
@Transactional(readOnly = true)
public UserResponse getUserProfile(Long userId) {
logger.debug("Getting profile for user: {}", userId);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
UserResponse response = UserResponse.fromEntity(user);
// Add device count
int deviceCount = (int) trustedDeviceRepository.countByUserIdAndIsActive(userId, true);
response.setTrustedDevicesCount(deviceCount);
// Calculate security score
int securityScore = calculateSecurityScore(user);
response.setSecurityScore(securityScore);
return response;
}
/**
* Updates user profile information
*
* @param userId User ID
* @param request Profile update request
* @return Updated UserResponse
* @throws UserNotFoundException if user not found
* @throws InvalidUpdateDataException if update data is invalid
*/
public UserResponse updateProfile(Long userId, ProfileUpdateRequest request) {
logger.info("Updating profile for user: {}", userId);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
try {
// Validate update request
validateProfileUpdate(request, user);
// Update basic profile information
if (request.getName() != null) {
user.setName(request.getName());
}
if (request.getPhoneNumber() != null) {
// If phone number changed, mark as unverified
if (!request.getPhoneNumber().equals(user.getPhoneNumber())) {
user.setPhoneNumber(request.getPhoneNumber());
user.setPhoneVerified(false);
// Send verification SMS if 2FA is enabled
if (user.getTwoFactorEnabled() && "SMS".equals(user.getTwoFactorMethod())) {
// User will need to re-verify phone for 2FA
logger.info("Phone number changed for user with SMS 2FA: {}", userId);
}
}
}
if (request.getLanguage() != null) {
user.setLanguage(request.getLanguage());
}
if (request.getTimezone() != null) {
user.setTimezone(request.getTimezone());
}
if (request.getMarketingOptIn() != null) {
user.setMarketingOptIn(request.getMarketingOptIn());
}
if (request.getAvatarUrl() != null) {
user.setAvatarUrl(request.getAvatarUrl());
}
user.setUpdatedAt(LocalDateTime.now());
user = userRepository.save(user);
logger.info("Profile updated successfully for user: {}", userId);
return UserResponse.fromEntity(user);
} catch (Exception e) {
logger.error("Failed to update profile for user: {}", userId, e);
throw new ProfileUpdateException("Failed to update profile", e);
}
}
/**
* Changes user password
*
* @param userId User ID
* @param request Password change request
* @param ipAddress Client IP address
* @throws UserNotFoundException if user not found
* @throws InvalidCredentialsException if current password is wrong
* @throws WeakPasswordException if new password is weak
*/
public void changePassword(Long userId, PasswordChangeRequest request, String ipAddress) {
logger.info("Changing password for user: {}", userId);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
try {
// Verify current password
if (!passwordEncoder.matches(request.getCurrentPassword(), user.getPasswordHash())) {
throw new InvalidCredentialsException("Current password is incorrect");
}
// Validate new password
securityService.validatePasswordStrength(request.getNewPassword());
// Check password history (prevent reuse of recent passwords)
if (securityService.isPasswordRecentlyUsed(user, request.getNewPassword())) {
throw new WeakPasswordException("Password was recently used. Please choose a different password.");
}
// Update password
user.setPasswordHash(passwordEncoder.encode(request.getNewPassword()));
user.setPasswordChangedAt(LocalDateTime.now());
user.setUpdatedAt(LocalDateTime.now());
// Reset failed login attempts
user.setFailedLoginAttempts(0);
user.setLockedUntil(null);
userRepository.save(user);
// Send security notification
emailService.sendPasswordChangeNotification(user, ipAddress);
// Log security event
securityService.logSecurityEvent(user, "PASSWORD_CHANGED",
"Password changed from IP: " + ipAddress);
logger.info("Password changed successfully for user: {}", userId);
} catch (SecurityException e) {
throw e;
} catch (Exception e) {
logger.error("Failed to change password for user: {}", userId, e);
throw new PasswordChangeException("Failed to change password", e);
} finally {
// Clear sensitive data
request.clearSensitiveData();
}
}
/**
* Gets user's trusted devices
*
* @param userId User ID
* @param includeInactive Whether to include inactive devices
* @return List of DeviceResponse
*/
@Transactional(readOnly = true)
public List<DeviceResponse> getUserDevices(Long userId, boolean includeInactive) {
logger.debug("Getting devices for user: {}", userId);
List<TrustedDevice> devices;
if (includeInactive) {
devices = trustedDeviceRepository.findByUserIdOrderByLastSeenAtDesc(userId);
} else {
devices = trustedDeviceRepository.findByUserIdAndIsActiveOrderByLastSeenAtDesc(userId, true);
}
return devices.stream()
.map(DeviceResponse::fromEntity)
.collect(Collectors.toList());
}
/**
* Revokes trust for a specific device
*
* @param userId User ID
* @param deviceId Device ID
* @param ipAddress Client IP address
* @throws UserNotFoundException if user not found
* @throws DeviceNotFoundException if device not found
* @throws UnauthorizedDeviceAccessException if device doesn't belong to user
*/
public void revokeDeviceTrust(Long userId, Long deviceId, String ipAddress) {
logger.info("Revoking device trust for user: {} device: {}", userId, deviceId);
// Verify user exists
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
// Find device and verify ownership
TrustedDevice device = trustedDeviceRepository.findByIdAndUserId(deviceId, userId)
.orElseThrow(() -> new DeviceNotFoundException("Device not found or not owned by user"));
try {
// Revoke device trust
deviceFingerprintService.revokeDeviceTrust(userId, deviceId, ipAddress);
// Send security notification
emailService.sendDeviceRevokedNotification(user, device, ipAddress);
// Log security event
securityService.logSecurityEvent(user, "DEVICE_TRUST_REVOKED",
"Device trust revoked for: " + device.getDeviceName() + " from IP: " + ipAddress);
logger.info("Device trust revoked successfully for user: {} device: {}", userId, deviceId);
} catch (Exception e) {
logger.error("Failed to revoke device trust for user: {} device: {}", userId, deviceId, e);
throw new DeviceManagementException("Failed to revoke device trust", e);
}
}
/**
* Removes a device completely
*
* @param userId User ID
* @param deviceId Device ID
* @param ipAddress Client IP address
*/
public void removeDevice(Long userId, Long deviceId, String ipAddress) {
logger.info("Removing device for user: {} device: {}", userId, deviceId);
// Verify user exists
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
// Find device and verify ownership
TrustedDevice device = trustedDeviceRepository.findByIdAndUserId(deviceId, userId)
.orElseThrow(() -> new DeviceNotFoundException("Device not found or not owned by user"));
try {
// Mark device as inactive instead of deleting (for audit trail)
device.setIsActive(false);
device.setRemovedAt(LocalDateTime.now());
device.setUpdatedAt(LocalDateTime.now());
trustedDeviceRepository.save(device);
// Send security notification
emailService.sendDeviceRemovedNotification(user, device, ipAddress);
// Log security event
securityService.logSecurityEvent(user, "DEVICE_REMOVED",
"Device removed: " + device.getDeviceName() + " from IP: " + ipAddress);
logger.info("Device removed successfully for user: {} device: {}", userId, deviceId);
} catch (Exception e) {
logger.error("Failed to remove device for user: {} device: {}", userId, deviceId, e);
throw new DeviceManagementException("Failed to remove device", e);
}
}
/**
* Gets user's account security status
*
* @param userId User ID
* @return SecurityStatusResponse with security information
*/
@Transactional(readOnly = true)
public SecurityStatusResponse getSecurityStatus(Long userId) {
logger.debug("Getting security status for user: {}", userId);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
SecurityStatusResponse status = new SecurityStatusResponse();
status.setUserId(userId.toString());
status.setEmailVerified(user.getEmailVerified());
status.setPhoneVerified(user.getPhoneVerified());
status.setTwoFactorEnabled(user.getTwoFactorEnabled());
status.setTwoFactorMethod(user.getTwoFactorMethod());
status.setPasswordChangedAt(user.getPasswordChangedAt());
status.setLastLoginAt(user.getLastLoginAt());
status.setFailedLoginAttempts(user.getFailedLoginAttempts());
status.setAccountLocked(user.getLockedUntil() != null && LocalDateTime.now().isBefore(user.getLockedUntil()));
// Calculate security score
int securityScore = calculateSecurityScore(user);
status.setSecurityScore(securityScore);
// Get trusted devices count
int trustedDevicesCount = (int) trustedDeviceRepository.countByUserIdAndIsTrusted(userId, true);
status.setTrustedDevicesCount(trustedDevicesCount);
// Get security alerts count
int alertsCount = securityService.getPendingAlertsCount(user);
status.setSecurityAlertsCount(alertsCount);
// Generate security recommendations
List<String> recommendations = generateSecurityRecommendations(user);
status.setSecurityRecommendations(recommendations);
return status;
}
/**
* Deletes user account
*
* @param userId User ID
* @param request Account deletion request with confirmation
* @param ipAddress Client IP address
* @throws UserNotFoundException if user not found
* @throws InvalidCredentialsException if password confirmation fails
*/
public void deleteAccount(Long userId, AccountDeletionRequest request, String ipAddress) {
logger.warn("Account deletion requested for user: {}", userId);
User user = userRepository.findById(userId)
.orElseThrow(() -> new UserNotFoundException("User not found"));
try {
// Verify password for account deletion
if (!passwordEncoder.matches(request.getPassword(), user.getPasswordHash())) {
throw new InvalidCredentialsException("Password confirmation failed");
}
// Check confirmation
if (!Boolean.TRUE.equals(request.getConfirmDeletion())) {
throw new AccountDeletionException("Account deletion not confirmed");
}
// Perform account deletion
deleteUserData(user);
// Send account deletion confirmation
emailService.sendAccountDeletionConfirmation(user);
// Log security event
securityService.logSecurityEvent(user, "ACCOUNT_DELETED",
"Account deleted from IP: " + ipAddress);
logger.warn("Account deleted for user: {}", userId);
} catch (SecurityException e) {
throw e;
} catch (Exception e) {
logger.error("Failed to delete account for user: {}", userId, e);
throw new AccountDeletionException("Failed to delete account", e);
} finally {
request.clearSensitiveData();
}
}
/**
* Searches users (admin function)
*
* @param query Search query
* @param pageable Pagination parameters
* @return Page of UserResponse
*/
@Transactional(readOnly = true)
public Page<UserResponse> searchUsers(String query, Pageable pageable) {
logger.debug("Searching users with query: {}", query);
Page<User> users = userRepository.searchUsers(query, pageable);
return users.map(UserResponse::fromEntity);
}
// Private helper methods
private void validateProfileUpdate(ProfileUpdateRequest request, User user) {
if (request.getPhoneNumber() != null && !securityService.isValidPhoneNumber(request.getPhoneNumber())) {
throw new InvalidUpdateDataException("Invalid phone number format");
}
if (request.getName() != null && (request.getName().trim().length() < 2 || request.getName().length() > 100)) {
throw new InvalidUpdateDataException("Name must be between 2 and 100 characters");
}
if (request.getLanguage() != null && !securityService.isValidLanguageCode(request.getLanguage())) {
throw new InvalidUpdateDataException("Invalid language code");
}
if (request.getTimezone() != null && !securityService.isValidTimezone(request.getTimezone())) {
throw new InvalidUpdateDataException("Invalid timezone");
}
}
private int calculateSecurityScore(User user) {
int score = 0;
// Email verification (20 points)
if (Boolean.TRUE.equals(user.getEmailVerified())) {
score += 20;
}
// Phone verification (15 points)
if (Boolean.TRUE.equals(user.getPhoneVerified())) {
score += 15;
}
// Two-factor authentication (30 points)
if (Boolean.TRUE.equals(user.getTwoFactorEnabled())) {
score += 30;
}
// Recent password change (10 points)
if (user.getPasswordChangedAt() != null &&
user.getPasswordChangedAt().isAfter(LocalDateTime.now().minusDays(90))) {
score += 10;
}
// No recent failed attempts (10 points)
if (user.getFailedLoginAttempts() == 0) {
score += 10;
}
// Account age bonus (15 points if > 30 days)
if (user.getCreatedAt().isBefore(LocalDateTime.now().minusDays(30))) {
score += 15;
}
return Math.min(score, 100);
}
private List<String> generateSecurityRecommendations(User user) {
List<String> recommendations = new ArrayList<>();
if (!Boolean.TRUE.equals(user.getEmailVerified())) {
recommendations.add("Verify your email address to improve account security");
}
if (!Boolean.TRUE.equals(user.getPhoneVerified())) {
recommendations.add("Add and verify a phone number for account recovery");
}
if (!Boolean.TRUE.equals(user.getTwoFactorEnabled())) {
recommendations.add("Enable two-factor authentication for enhanced security");
}
if (user.getPasswordChangedAt() == null ||
user.getPasswordChangedAt().isBefore(LocalDateTime.now().minusDays(180))) {
recommendations.add("Consider changing your password regularly");
}
int trustedDevicesCount = (int) trustedDeviceRepository.countByUserIdAndIsTrusted(user.getId(), true);
if (trustedDevicesCount > 5) {
recommendations.add("Review your trusted devices and remove any you no longer use");
}
if (user.getFailedLoginAttempts() > 0) {
recommendations.add("Review recent login attempts and secure your account if needed");
}
return recommendations;
}
private void deleteUserData(User user) {
// Mark user as deleted instead of hard delete (for audit purposes)
user.setStatus(UserStatus.DELETED.name());
user.setEmail("deleted_" + user.getId() + "@deleted.local");
user.setName("Deleted User");
user.setPhoneNumber(null);
user.setPasswordHash(null);
user.setUpdatedAt(LocalDateTime.now());
userRepository.save(user);
// Deactivate all trusted devices
List<TrustedDevice> devices = trustedDeviceRepository.findByUserIdAndIsActive(user.getId(), true);
for (TrustedDevice device : devices) {
device.setIsActive(false);
device.setRemovedAt(LocalDateTime.now());
trustedDeviceRepository.save(device);
}
// Deactivate 2FA verifications
Optional<TwoFactorVerification> twoFactorVerificationOpt = twoFactorRepository.findByUserIdAndIsActive(user.getId(), true);
if (twoFactorVerificationOpt.isPresent()) {
TwoFactorVerification verification = twoFactorVerificationOpt.get();
verification.setIsActive(false);
verification.setDisabledAt(LocalDateTime.now());
twoFactorRepository.save(verification);
}
}
// Request DTOs for profile management
public static class ProfileUpdateRequest {
private String name;
private String phoneNumber;
private String language;
private String timezone;
private Boolean marketingOptIn;
private String avatarUrl;
// Getters and setters
public String getName() { return name; }
public void setName(String name) { this.name = name; }
public String getPhoneNumber() { return phoneNumber; }
public void setPhoneNumber(String phoneNumber) { this.phoneNumber = phoneNumber; }
public String getLanguage() { return language; }
public void setLanguage(String language) { this.language = language; }
public String getTimezone() { return timezone; }
public void setTimezone(String timezone) { this.timezone = timezone; }
public Boolean getMarketingOptIn() { return marketingOptIn; }
public void setMarketingOptIn(Boolean marketingOptIn) { this.marketingOptIn = marketingOptIn; }
public String getAvatarUrl() { return avatarUrl; }
public void setAvatarUrl(String avatarUrl) { this.avatarUrl = avatarUrl; }
}
public static class PasswordChangeRequest {
private String currentPassword;
private String newPassword;
private String confirmPassword;
public void clearSensitiveData() {
this.currentPassword = null;
this.newPassword = null;
this.confirmPassword = null;
}
// Getters and setters
public String getCurrentPassword() { return currentPassword; }
public void setCurrentPassword(String currentPassword) { this.currentPassword = currentPassword; }
public String getNewPassword() { return newPassword; }
public void setNewPassword(String newPassword) { this.newPassword = newPassword; }
public String getConfirmPassword() { return confirmPassword; }
public void setConfirmPassword(String confirmPassword) { this.confirmPassword = confirmPassword; }
}
public static class AccountDeletionRequest {
private String password;
private Boolean confirmDeletion;
private String reason;
public void clearSensitiveData() {
this.password = null;
}
// Getters and setters
public String getPassword() { return password; }
public void setPassword(String password) { this.password = password; }
public Boolean getConfirmDeletion() { return confirmDeletion; }
public void setConfirmDeletion(Boolean confirmDeletion) { this.confirmDeletion = confirmDeletion; }
public String getReason() { return reason; }
public void setReason(String reason) { this.reason = reason; }
}
public static class SecurityStatusResponse {
private String userId;
private Boolean emailVerified;
private Boolean phoneVerified;
private Boolean twoFactorEnabled;
private String twoFactorMethod;
private LocalDateTime passwordChangedAt;
private LocalDateTime lastLoginAt;
private Integer failedLoginAttempts;
private Boolean accountLocked;
private Integer securityScore;
private Integer trustedDevicesCount;
private Integer securityAlertsCount;
private List<String> securityRecommendations;
// Getters and setters
public String getUserId() { return userId; }
public void setUserId(String userId) { this.userId = userId; }
public Boolean getEmailVerified() { return emailVerified; }
public void setEmailVerified(Boolean emailVerified) { this.emailVerified = emailVerified; }
public Boolean getPhoneVerified() { return phoneVerified; }
public void setPhoneVerified(Boolean phoneVerified) { this.phoneVerified = phoneVerified; }
public Boolean getTwoFactorEnabled() { return twoFactorEnabled; }
public void setTwoFactorEnabled(Boolean twoFactorEnabled) { this.twoFactorEnabled = twoFactorEnabled; }
public String getTwoFactorMethod() { return twoFactorMethod; }
public void setTwoFactorMethod(String twoFactorMethod) { this.twoFactorMethod = twoFactorMethod; }
public LocalDateTime getPasswordChangedAt() { return passwordChangedAt; }
public void setPasswordChangedAt(LocalDateTime passwordChangedAt) { this.passwordChangedAt = passwordChangedAt; }
public LocalDateTime getLastLoginAt() { return lastLoginAt; }
public void setLastLoginAt(LocalDateTime lastLoginAt) { this.lastLoginAt = lastLoginAt; }
public Integer getFailedLoginAttempts() { return failedLoginAttempts; }
public void setFailedLoginAttempts(Integer failedLoginAttempts) { this.failedLoginAttempts = failedLoginAttempts; }
public Boolean getAccountLocked() { return accountLocked; }
public void setAccountLocked(Boolean accountLocked) { this.accountLocked = accountLocked; }
public Integer getSecurityScore() { return securityScore; }
public void setSecurityScore(Integer securityScore) { this.securityScore = securityScore; }
public Integer getTrustedDevicesCount() { return trustedDevicesCount; }
public void setTrustedDevicesCount(Integer trustedDevicesCount) { this.trustedDevicesCount = trustedDevicesCount; }
public Integer getSecurityAlertsCount() { return securityAlertsCount; }
public void setSecurityAlertsCount(Integer securityAlertsCount) { this.securityAlertsCount = securityAlertsCount; }
public List<String> getSecurityRecommendations() { return securityRecommendations; }
public void setSecurityRecommendations(List<String> securityRecommendations) { this.securityRecommendations = securityRecommendations; }
}
}

47
src/main/java/com/company/auth/util/RandomCodeGenerator.java Normal file
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package com.company.auth.util;
import org.springframework.stereotype.Component;
import java.security.SecureRandom;
/**
* Utility class for generating random codes and tokens
*/
@Component
public class RandomCodeGenerator {
private static final String NUMERIC_CHARS = "0123456789";
private static final String ALPHANUMERIC_CHARS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
private static final SecureRandom random = new SecureRandom();
/**
* Generate a numeric verification code
*/
public String generateNumericCode(int length) {
return generateCode(NUMERIC_CHARS, length);
}
/**
* Generate an alphanumeric code
*/
public String generateAlphanumericCode(int length) {
return generateCode(ALPHANUMERIC_CHARS, length);
}
/**
* Generate a random code from the given character set
*/
private String generateCode(String chars, int length) {
StringBuilder code = new StringBuilder(length);
for (int i = 0; i < length; i++) {
code.append(chars.charAt(random.nextInt(chars.length())));
}
return code.toString();
}
/**
* Generate a backup recovery code (format: XXXX-XXXX)
*/
public String generateBackupCode() {
return generateAlphanumericCode(4) + "-" + generateAlphanumericCode(4);
}
}

59
src/main/java/com/company/auth/util/RiskLevel.java Normal file
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package com.company.auth.util;
/**
* Enumeration for risk levels in device fingerprinting
*/
public enum RiskLevel {
LOW(0.0, 0.3, "Low risk - trusted device"),
MEDIUM(0.3, 0.7, "Medium risk - verification recommended"),
HIGH(0.7, 1.0, "High risk - strong verification required");
private final double minScore;
private final double maxScore;
private final String description;
RiskLevel(double minScore, double maxScore, String description) {
this.minScore = minScore;
this.maxScore = maxScore;
this.description = description;
}
public double getMinScore() {
return minScore;
}
public double getMaxScore() {
return maxScore;
}
public String getDescription() {
return description;
}
/**
* Get risk level based on risk score
*/
public static RiskLevel fromScore(double score) {
if (score <= 0.3) {
return LOW;
} else if (score <= 0.7) {
return MEDIUM;
} else {
return HIGH;
}
}
/**
* Check if this risk level requires two-factor authentication
*/
public boolean requiresTwoFactor() {
return this == MEDIUM || this == HIGH;
}
/**
* Check if this risk level blocks the action
*/
public boolean isBlocking() {
return this == HIGH;
}
}

27
src/main/java/com/company/auth/util/SecurityUtils.java Normal file
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package com.company.auth.util;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
public class SecurityUtils {
public static String getCurrentUserEmail() {
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
if (authentication == null || !authentication.isAuthenticated()) {
return null;
}
Object principal = authentication.getPrincipal();
if (principal instanceof UserDetails) {
return ((UserDetails) principal).getUsername();
}
return principal.toString();
}
public static boolean isAuthenticated() {
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
return authentication != null && authentication.isAuthenticated();
}
}

10
src/main/java/com/company/auth/util/TrustStatus.java Normal file
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package com.company.auth.util;
public enum TrustStatus {
PENDING,
TRUSTED,
REVOKED,
EXPIRED,
SUSPICIOUS,
UNKNOWN
}

35
src/main/java/com/company/auth/util/TwoFactorMethod.java Normal file
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package com.company.auth.util;
/**
* Enumeration for two-factor authentication methods
*/
public enum TwoFactorMethod {
TOTP("Time-based One-Time Password"),
SMS("SMS Text Message"),
EMAIL("Email Verification"),
BACKUP_CODES("Backup Recovery Codes");
private final String description;
TwoFactorMethod(String description) {
this.description = description;
}
public String getDescription() {
return description;
}
/**
* Check if this method requires a device
*/
public boolean requiresDevice() {
return this == TOTP;
}
/**
* Check if this method sends a code
*/
public boolean sendsCode() {
return this == SMS || this == EMAIL;
}
}

8
src/main/java/com/company/auth/util/UserRole.java Normal file
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package com.company.auth.util;
public enum UserRole {
USER,
ADMIN,
MODERATOR,
GUEST
}

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src/main/java/com/company/auth/util/UserStatus.java Normal file
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package com.company.auth.util;
public enum UserStatus {
PENDING,
ACTIVE,
SUSPENDED,
DEACTIVATED,
DELETED,
LOCKED,
DISABLED
}

67
src/main/resources/application-demo.yml Normal file
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# Demo Environment Configuration
spring:
datasource:
url: jdbc:mysql://localhost:3306/device_fingerprint_auth?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
username: ${DB_USERNAME:auth_user}
password: ${DB_PASSWORD:auth_password123}
jpa:
show-sql: false
flyway:
# Container environment - always clean start
clean-disabled: false
baseline-on-migrate: true
validate-on-migrate: true
# Demo-specific settings for senior developer presentations
device-fingerprint:
demo-mode:
enabled: true
include-verification-code: true
include-user-details: true
include-environment-info: true
security:
enable-rate-limiting: true
enable-audit-logging: true
# More lenient settings for demo
max-devices-per-user: 20
device-expiry-days: 180
# Moderate rate limiting for demo
rate-limiting:
login-attempts:
capacity: 20
refill-period: 300 # 5 minutes
registration-attempts:
capacity: 10
refill-period: 600 # 10 minutes
two-factor-attempts:
capacity: 30
refill-period: 300 # 5 minutes
# Demo logging - clean and informative
logging:
level:
com.company.auth: INFO
org.springframework.security: WARN
org.springframework.web: WARN
org.hibernate.SQL: WARN
# CORS - Specific origins for demo
cors:
allowed-origins: "http://localhost:3000,http://localhost:4200,https://demo.company.com"
allowed-methods: "GET,POST,PUT,DELETE,OPTIONS"
allowed-headers: "*"
allow-credentials: true
# Management endpoints - selective exposure for demo
management:
endpoints:
web:
exposure:
include: "health,info,metrics"
endpoint:
health:
show-details: when_authorized

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src/main/resources/application-dev.yml Normal file
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# Development Environment Configuration
spring:
datasource:
url: jdbc:mysql://localhost:3306/device_auth_dev_db?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
username: ${DB_USERNAME:root}
password: ${DB_PASSWORD:password}
jpa:
show-sql: true
properties:
hibernate:
format_sql: true
use_sql_comments: true
# Development-specific settings
device-fingerprint:
demo-mode:
enabled: true
include-verification-code: true
include-user-details: true
include-environment-info: true
security:
enable-rate-limiting: false
enable-audit-logging: true
# Relaxed rate limiting for development
rate-limiting:
login-attempts:
capacity: 100
refill-period: 60
registration-attempts:
capacity: 50
refill-period: 60
two-factor-attempts:
capacity: 100
refill-period: 60
# Development logging
logging:
level:
com.company.auth: DEBUG
org.springframework.security: DEBUG
org.springframework.web: DEBUG
org.hibernate.SQL: DEBUG
org.hibernate.type.descriptor.sql.BasicBinder: TRACE
# CORS - Allow all origins in development
cors:
allowed-origins: "*"
allowed-methods: "GET,POST,PUT,DELETE,OPTIONS,PATCH"
allowed-headers: "*"
allow-credentials: true
# Management endpoints - expose all in development
management:
endpoints:
web:
exposure:
include: "*"
endpoint:
health:
show-details: always

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# Production Environment Configuration
spring:
datasource:
url: jdbc:mysql://${DB_HOST:localhost}:${DB_PORT:3306}/${DB_NAME:device_auth_prod_db}?useSSL=true&requireSSL=true&serverTimezone=UTC
username: ${DB_USERNAME}
password: ${DB_PASSWORD}
hikari:
maximum-pool-size: 50
minimum-idle: 10
idle-timeout: 600000
max-lifetime: 1800000
connection-timeout: 30000
jpa:
show-sql: false
properties:
hibernate:
format_sql: false
use_sql_comments: false
server:
port: ${SERVER_PORT:8080}
ssl:
enabled: ${SSL_ENABLED:false}
key-store: ${SSL_KEYSTORE_PATH:}
key-store-password: ${SSL_KEYSTORE_PASSWORD:}
key-store-type: ${SSL_KEYSTORE_TYPE:PKCS12}
# Production security settings
device-fingerprint:
demo-mode:
enabled: false
include-verification-code: false
include-user-details: false
include-environment-info: false
security:
enable-rate-limiting: true
enable-audit-logging: true
max-devices-per-user: 10
device-expiry-days: 90
fingerprint-similarity-threshold: 0.85
risk-score-threshold: 0.3
# Strict rate limiting for production
rate-limiting:
login-attempts:
capacity: 5
refill-period: 900 # 15 minutes
registration-attempts:
capacity: 3
refill-period: 3600 # 1 hour
two-factor-attempts:
capacity: 10
refill-period: 300 # 5 minutes
# Production logging - security focused
logging:
level:
com.company.auth: INFO
org.springframework.security: WARN
org.springframework.web: WARN
org.hibernate.SQL: WARN
ROOT: INFO
file:
name: /var/log/device-fingerprint-auth/application.log
max-size: 100MB
max-history: 30
# CORS - Restricted origins for production
cors:
allowed-origins: ${CORS_ALLOWED_ORIGINS:https://app.company.com,https://admin.company.com}
allowed-methods: "GET,POST,PUT,DELETE,OPTIONS"
allowed-headers: "Authorization,Content-Type,X-Requested-With"
allow-credentials: true
max-age: 3600
# Management endpoints - minimal exposure for production
management:
endpoints:
web:
exposure:
include: "health"
base-path: /management
endpoint:
health:
show-details: never
security:
enabled: true
# Production-specific JWT settings
jwt:
secret: ${JWT_SECRET} # Must be provided via environment
expiration: 3600000 # 1 hour in production
refresh-expiration: 86400000 # 24 hours in production

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src/main/resources/application-production.properties Normal file
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# Production Configuration Override
# Override development settings for production deployment
# ===============================
# DATASOURCE CONFIGURATION
# ===============================
spring.datasource.url=${DATABASE_URL:jdbc:mysql://mysql:3306/device_fingerprint_auth?createDatabaseIfNotExist=true&useSSL=true&allowPublicKeyRetrieval=true&serverTimezone=UTC}
spring.datasource.username=${DATABASE_USERNAME:auth_user}
spring.datasource.password=${DATABASE_PASSWORD:secure_password}
# ===============================
# JPA / HIBERNATE CONFIGURATION
# ===============================
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.show-sql=false
spring.jpa.properties.hibernate.format_sql=false
spring.jpa.properties.hibernate.use_sql_comments=false
# ===============================
# FLYWAY CONFIGURATION
# ===============================
spring.flyway.enabled=false
# ===============================
# SECURITY CONFIGURATION
# ===============================
app.security.jwt.secret=${JWT_SECRET:ThisIsAVeryLongAndSecureJWTSecretKeyThatShouldBeChangedInProduction123456789}
# ===============================
# EMAIL CONFIGURATION
# ===============================
app.email.enabled=${EMAIL_ENABLED:false}
app.email.from-address=${EMAIL_FROM:noreply@company.com}
app.email.base-url=${BASE_URL:http://localhost:8080}
# ===============================
# SMS CONFIGURATION
# ===============================
app.sms.enabled=${SMS_ENABLED:false}
app.sms.provider=${SMS_PROVIDER:demo}
# ===============================
# APPLICATION CONFIGURATION
# ===============================
app.environment=production
# ===============================
# LOGGING CONFIGURATION
# ===============================
logging.level.com.company.auth=INFO
logging.level.org.springframework.security=WARN
logging.level.org.springframework.web=WARN
logging.level.org.hibernate.SQL=WARN
logging.level.org.hibernate.type.descriptor.sql.BasicBinder=WARN
logging.level.org.springframework=WARN
logging.level.org.hibernate=WARN
# Security focused logging
logging.level.com.company.auth.security=INFO
logging.level.com.company.auth.service.AuthService=INFO
logging.level.com.company.auth.service.DeviceFingerprintService=INFO
# ===============================
# ACTUATOR CONFIGURATION
# ===============================
management.endpoints.web.exposure.include=health,metrics
management.endpoint.health.show-details=never
# ===============================
# DEMO MODE CONFIGURATION
# ===============================
app.demo.enabled=false
app.demo.show-verification-codes=false
app.demo.bypass-email-verification=false

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# Application Configuration
# Development profile configuration for the Device Fingerprint Authentication API
# ===============================
# SERVER CONFIGURATION
# ===============================
server.port=8080
server.servlet.context-path=/
server.compression.enabled=true
server.compression.mime-types=text/html,text/xml,text/plain,text/css,text/javascript,application/javascript,application/json
server.compression.min-response-size=1024
# ===============================
# DATASOURCE CONFIGURATION
# ===============================
spring.datasource.url=jdbc:mysql://localhost:3306/device_fingerprint_auth?createDatabaseIfNotExist=true&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
spring.datasource.username=auth_user
spring.datasource.password=secure_password
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
# Connection Pool Configuration
spring.datasource.hikari.maximum-pool-size=20
spring.datasource.hikari.minimum-idle=5
spring.datasource.hikari.connection-timeout=20000
spring.datasource.hikari.idle-timeout=300000
spring.datasource.hikari.max-lifetime=1200000
# ===============================
# JPA / HIBERNATE CONFIGURATION
# ===============================
spring.jpa.hibernate.ddl-auto=validate
spring.jpa.show-sql=false
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.properties.hibernate.use_sql_comments=true
spring.jpa.properties.hibernate.jdbc.batch_size=20
spring.jpa.properties.hibernate.order_inserts=true
spring.jpa.properties.hibernate.order_updates=true
# ===============================
# FLYWAY CONFIGURATION
# ===============================
spring.flyway.enabled=true
spring.flyway.baseline-on-migrate=true
spring.flyway.locations=classpath:db/migration
spring.flyway.sql-migration-suffixes=.sql
# ===============================
# SECURITY CONFIGURATION
# ===============================
app.security.jwt.secret=ThisIsAVeryLongAndSecureJWTSecretKeyThatShouldBeChangedInProduction123456789
app.security.jwt.access-token-expiration=900000
app.security.jwt.refresh-token-expiration=2592000000
app.security.jwt.session-token-expiration=1800000
app.security.jwt.password-reset-token-expiration=3600000
# Password Configuration
app.security.password.min-length=8
app.security.password.max-length=128
app.security.password.require-uppercase=true
app.security.password.require-lowercase=true
app.security.password.require-digits=true
app.security.password.require-special-chars=true
app.security.password.max-failed-attempts=5
app.security.password.lockout-duration=1800000
# ===============================
# DEVICE FINGERPRINTING
# ===============================
app.device.verification-code-length=6
app.device.verification-code-expiry=600000
app.device.trust-duration=2592000000
app.device.max-trusted-devices=10
app.device.risk-threshold=70
# ===============================
# TWO-FACTOR AUTHENTICATION
# ===============================
app.totp.enabled=true
app.totp.issuer=DeviceAuthService
app.totp.backup-codes-count=10
app.totp.window-size=1
# ===============================
# EMAIL CONFIGURATION
# ===============================
app.email.enabled=true
app.email.from-address=noreply@company.com
app.email.from-name=Device Auth Service
app.email.base-url=http://localhost:8080
# ===============================
# SMS CONFIGURATION
# ===============================
app.sms.enabled=true
app.sms.provider=demo
app.sms.from-number=+1234567890
app.sms.service-name=AuthService
# ===============================
# GEOLOCATION CONFIGURATION
# ===============================
app.geolocation.enabled=true
app.geolocation.provider=demo
app.geolocation.cache-duration=3600
# ===============================
# APPLICATION CONFIGURATION
# ===============================
app.name=Device Fingerprint Authentication API
app.version=1.0.0
app.description=Enterprise-grade authentication service with device fingerprinting
app.environment=development
# ===============================
# LOGGING CONFIGURATION
# ===============================
logging.level.com.company.auth=DEBUG
logging.level.org.springframework.security=DEBUG
logging.level.org.springframework.web=INFO
logging.level.org.hibernate.SQL=DEBUG
logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE
# Logging Pattern
logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss} - %msg%n
logging.pattern.file=%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n
# ===============================
# ACTUATOR CONFIGURATION
# ===============================
management.endpoints.web.exposure.include=health,info,metrics,env
management.endpoint.health.show-details=when-authorized
management.info.env.enabled=true
# ===============================
# SPRINGDOC OPENAPI CONFIGURATION
# ===============================
springdoc.api-docs.path=/v3/api-docs
springdoc.swagger-ui.path=/swagger-ui.html
springdoc.swagger-ui.operationsSorter=method
springdoc.swagger-ui.tagsSorter=alpha
springdoc.swagger-ui.tryItOutEnabled=true
# ===============================
# RATE LIMITING CONFIGURATION
# ===============================
app.rate-limit.login.capacity=5
app.rate-limit.login.refill-rate=1
app.rate-limit.login.refill-period=60
app.rate-limit.registration.capacity=3
app.rate-limit.registration.refill-rate=1
app.rate-limit.registration.refill-period=300
app.rate-limit.verification.capacity=10
app.rate-limit.verification.refill-rate=2
app.rate-limit.verification.refill-period=60
# ===============================
# DEMO MODE CONFIGURATION
# ===============================
app.demo.enabled=true
app.demo.show-verification-codes=true
app.demo.bypass-email-verification=false
app.demo.default-verification-code=123456

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spring:
application:
name: device-fingerprint-auth
profiles:
active: ${APP_ENV:dev}
datasource:
url: jdbc:mysql://localhost:3306/device_auth_db?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
username: ${DB_USERNAME:root}
password: ${DB_PASSWORD:password}
driver-class-name: com.mysql.cj.jdbc.Driver
hikari:
maximum-pool-size: 20
minimum-idle: 5
idle-timeout: 300000
max-lifetime: 1200000
connection-timeout: 20000
jpa:
hibernate:
ddl-auto: validate
show-sql: false
properties:
hibernate:
dialect: org.hibernate.dialect.MySQL8Dialect
format_sql: true
use_sql_comments: true
jdbc:
batch_size: 20
order_inserts: true
order_updates: true
open-in-view: false
flyway:
enabled: true
locations: classpath:db/migration
baseline-on-migrate: true
validate-on-migrate: true
clean-disabled: true
jackson:
serialization:
write-dates-as-timestamps: false
default-property-inclusion: non_null
time-zone: UTC
servlet:
multipart:
max-file-size: 10MB
max-request-size: 10MB
server:
port: ${SERVER_PORT:8080}
servlet:
context-path: /api
compression:
enabled: true
mime-types: text/html,text/xml,text/plain,text/css,text/javascript,application/javascript,application/json
http2:
enabled: true
# JWT Configuration
jwt:
secret: ${JWT_SECRET:your-very-secure-secret-key-here-make-it-at-least-256-bits}
expiration: ${JWT_EXPIRATION:86400000} # 24 hours in milliseconds
refresh-expiration: ${JWT_REFRESH_EXPIRATION:604800000} # 7 days in milliseconds
issuer: ${JWT_ISSUER:device-fingerprint-auth}
# Device Fingerprinting Configuration
device-fingerprint:
demo-mode:
enabled: ${DEMO_MODE_ENABLED:false}
include-verification-code: ${DEMO_INCLUDE_CODES:false}
include-user-details: ${DEMO_INCLUDE_USER_DETAILS:false}
include-environment-info: ${DEMO_INCLUDE_ENV_INFO:true}
two-factor:
code-expiry-minutes: ${2FA_CODE_EXPIRY:5}
max-attempts: ${2FA_MAX_ATTEMPTS:3}
code-length: ${2FA_CODE_LENGTH:6}
resend-cooldown-seconds: ${2FA_RESEND_COOLDOWN:30}
security:
enable-rate-limiting: ${ENABLE_RATE_LIMITING:true}
max-devices-per-user: ${MAX_DEVICES_PER_USER:10}
device-expiry-days: ${DEVICE_EXPIRY_DAYS:90}
enable-audit-logging: ${ENABLE_AUDIT_LOGGING:true}
fingerprint-similarity-threshold: ${FINGERPRINT_SIMILARITY_THRESHOLD:0.85}
risk-score-threshold: ${RISK_SCORE_THRESHOLD:0.3}
# Encryption Configuration
encryption:
secret-key: ${ENCRYPTION_SECRET_KEY:your-encryption-secret-key}
algorithm: ${ENCRYPTION_ALGORITHM:AES/CBC/PKCS5Padding}
# Rate Limiting Configuration
rate-limiting:
login-attempts:
capacity: ${LOGIN_RATE_LIMIT_CAPACITY:5}
refill-period: ${LOGIN_RATE_LIMIT_REFILL:900} # 15 minutes
registration-attempts:
capacity: ${REGISTRATION_RATE_LIMIT_CAPACITY:3}
refill-period: ${REGISTRATION_RATE_LIMIT_REFILL:3600} # 1 hour
two-factor-attempts:
capacity: ${2FA_RATE_LIMIT_CAPACITY:10}
refill-period: ${2FA_RATE_LIMIT_REFILL:300} # 5 minutes
# Management and Monitoring
management:
endpoints:
web:
exposure:
include: health,info,metrics,prometheus
endpoint:
health:
show-details: when_authorized
health:
db:
enabled: true
# API Documentation
springdoc:
api-docs:
path: /api-docs
swagger-ui:
path: /swagger-ui.html
operations-sorter: alpha
tags-sorter: alpha
info:
title: Device Fingerprint Authentication API
description: Enterprise-grade API for device fingerprinting and risk-based authentication
version: 1.0.0
contact:
name: David Valera Melendez
email: david@valera-melendez.de
# Logging Configuration
logging:
level:
com.company.auth: ${LOG_LEVEL:INFO}
org.springframework.security: WARN
org.springframework.web: WARN
org.hibernate.SQL: WARN
org.hibernate.type.descriptor.sql.BasicBinder: WARN
pattern:
console: "%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"
file: "%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"
file:
name: logs/device-fingerprint-auth.log
# CORS Configuration
cors:
allowed-origins: ${CORS_ALLOWED_ORIGINS:http://localhost:3000,http://localhost:4200}
allowed-methods: ${CORS_ALLOWED_METHODS:GET,POST,PUT,DELETE,OPTIONS}
allowed-headers: ${CORS_ALLOWED_HEADERS:*}
allow-credentials: ${CORS_ALLOW_CREDENTIALS:true}
max-age: ${CORS_MAX_AGE:3600}

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-- Create users table
-- Author: David Valera Melendez <david@valera-melendez.de>
-- Created: 2025-08-08
CREATE TABLE users (
id BIGINT AUTO_INCREMENT PRIMARY KEY,
first_name VARCHAR(50) NOT NULL COMMENT 'User first name',
last_name VARCHAR(50) NOT NULL COMMENT 'User last name',
email VARCHAR(255) UNIQUE NOT NULL COMMENT 'User email address (unique)',
password VARCHAR(255) NOT NULL COMMENT 'Encrypted password hash',
roles JSON COMMENT 'User roles as JSON array',
permissions JSON COMMENT 'User permissions as JSON array',
is_active BOOLEAN DEFAULT TRUE COMMENT 'Account active status',
email_verified BOOLEAN DEFAULT FALSE COMMENT 'Email verification status',
last_login_at TIMESTAMP NULL COMMENT 'Last successful login timestamp',
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT 'Account creation timestamp',
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Last update timestamp'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='User accounts and authentication data';
-- Create indexes for performance
CREATE INDEX idx_users_email ON users(email);
CREATE INDEX idx_users_active ON users(is_active);
CREATE INDEX idx_users_last_login ON users(last_login_at);
CREATE INDEX idx_users_created ON users(created_at);
-- Insert demo user for testing (password: 'Demo123!')
INSERT INTO users (first_name, last_name, email, password, roles, permissions, is_active, email_verified)
VALUES (
'John',
'Doe',
'john.doe@company.com',
'$2a$10$rHzQJlUzVr/aXbKpY9BUZeK8LGGzJVVGOmE8oY3OV4p3mX7QW1nXC',
'["USER"]',
'["READ_PROFILE", "UPDATE_PROFILE"]',
TRUE,
TRUE
);
INSERT INTO users (first_name, last_name, email, password, roles, permissions, is_active, email_verified)
VALUES (
'Jane',
'Smith',
'jane.smith@company.com',
'$2a$10$rHzQJlUzVr/aXbKpY9BUZeK8LGGzJVVGOmE8oY3OV4p3mX7QW1nXC',
'["USER", "ADMIN"]',
'["READ_PROFILE", "UPDATE_PROFILE", "ADMIN_ACCESS"]',
TRUE,
TRUE
);

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-- Create trusted_devices table
-- Author: David Valera Melendez <david@valera-melendez.de>
-- Created: 2025-08-08
CREATE TABLE trusted_devices (
id BIGINT AUTO_INCREMENT PRIMARY KEY,
user_id BIGINT NOT NULL COMMENT 'Reference to users table',
fingerprint_hash VARCHAR(255) NOT NULL COMMENT 'Unique device fingerprint hash',
device_name VARCHAR(100) COMMENT 'User-friendly device name',
device_info JSON NOT NULL COMMENT 'Complete device fingerprint data',
confidence_score DECIMAL(3,2) NOT NULL COMMENT 'Fingerprint confidence score (0.00-1.00)',
risk_score DECIMAL(3,2) DEFAULT 0.0 COMMENT 'Current risk assessment score (0.00-1.00)',
is_active BOOLEAN DEFAULT TRUE COMMENT 'Device active status',
last_used_at TIMESTAMP NULL COMMENT 'Last authentication timestamp',
usage_count INT DEFAULT 0 COMMENT 'Total authentication count',
ip_address VARCHAR(45) COMMENT 'Last known IP address (supports IPv6)',
user_agent TEXT COMMENT 'Last known user agent string',
location_info JSON COMMENT 'Geographic location data if available',
security_flags JSON COMMENT 'Security-related flags and metadata',
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT 'Device registration timestamp',
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Last update timestamp'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Trusted devices for risk-based authentication';
-- Foreign key constraint
ALTER TABLE trusted_devices
ADD CONSTRAINT fk_trusted_devices_user_id
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
-- Unique constraint for user-device combination
ALTER TABLE trusted_devices
ADD CONSTRAINT unique_user_fingerprint
UNIQUE KEY (user_id, fingerprint_hash);
-- Create indexes for performance
CREATE INDEX idx_trusted_devices_fingerprint ON trusted_devices(fingerprint_hash);
CREATE INDEX idx_trusted_devices_user_active ON trusted_devices(user_id, is_active);
CREATE INDEX idx_trusted_devices_last_used ON trusted_devices(last_used_at);
CREATE INDEX idx_trusted_devices_risk_score ON trusted_devices(risk_score);
CREATE INDEX idx_trusted_devices_created ON trusted_devices(created_at);
-- Create index for device cleanup jobs
CREATE INDEX idx_trusted_devices_cleanup ON trusted_devices(is_active, last_used_at, created_at);

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-- Create two_factor_verifications table
-- Author: David Valera Melendez <david@valera-melendez.de>
-- Created: 2025-08-08
CREATE TABLE two_factor_verifications (
id BIGINT AUTO_INCREMENT PRIMARY KEY,
user_id BIGINT NOT NULL COMMENT 'Reference to users table',
code_hash VARCHAR(255) NOT NULL COMMENT 'Hashed verification code',
method ENUM('sms', 'email', 'totp') NOT NULL COMMENT 'Verification delivery method',
device_fingerprint JSON NOT NULL COMMENT 'Device fingerprint data for registration',
ip_address VARCHAR(45) COMMENT 'Client IP address (supports IPv6)',
user_agent TEXT COMMENT 'Client user agent string',
expires_at TIMESTAMP NOT NULL COMMENT 'Code expiration timestamp',
attempts INT DEFAULT 0 COMMENT 'Number of verification attempts',
max_attempts INT DEFAULT 3 COMMENT 'Maximum allowed attempts',
is_used BOOLEAN DEFAULT FALSE COMMENT 'Whether code has been successfully used',
is_blocked BOOLEAN DEFAULT FALSE COMMENT 'Whether session is blocked due to too many attempts',
metadata JSON COMMENT 'Additional metadata for demo mode and security tracking',
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT 'Verification session creation timestamp'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Two-factor authentication verification sessions';
-- Foreign key constraint
ALTER TABLE two_factor_verifications
ADD CONSTRAINT fk_two_factor_verifications_user_id
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
-- Create indexes for performance
CREATE INDEX idx_two_factor_user_id ON two_factor_verifications(user_id);
CREATE INDEX idx_two_factor_code_hash ON two_factor_verifications(code_hash);
CREATE INDEX idx_two_factor_expires_at ON two_factor_verifications(expires_at);
CREATE INDEX idx_two_factor_user_unused ON two_factor_verifications(user_id, is_used);
CREATE INDEX idx_two_factor_method ON two_factor_verifications(method);
CREATE INDEX idx_two_factor_created ON two_factor_verifications(created_at);
-- Create index for cleanup jobs (expired and used verifications)
CREATE INDEX idx_two_factor_cleanup ON two_factor_verifications(expires_at, is_used, created_at);
-- Create composite index for active verification lookup
CREATE INDEX idx_two_factor_active ON two_factor_verifications(user_id, is_used, is_blocked, expires_at);