AuthService Microservice
Authentication and authorization microservice
Self-contained authentication and authorization system with Spring Boot and JWT.
Project Overview
I developed a complete authentication and authorization microservice using Spring Boot and Java 21. This system is essentially a self-contained and ready-to-use service that handles everything related to user registration, login, and access control. It provides a complete solution that includes role and permission management, password management, and support for multiple languages (Spanish and English), all packaged in a single service. The system uses JSON Web Tokens (JWT) for authentication, allowing client applications to verify user identity without needing to query the database on each request.
Main Features
JWT authentication system with access and refresh tokens
User registration and login with email verification
Role and permission management system
Password recovery via email
Session management with configurable limits
Multi-language support (Spanish and English)
Password encryption with BCrypt
Token revocation and blacklisting
Email notifications with Thymeleaf templates
REST API documented with Swagger
Custom exception handling system
Database connection pooling with HikariCP
Technical Challenges
Challenge 1
Implement secure session management with JWT tokens and prevent unauthorized access
Solution:
Created a JWT token management system with separate tables for storing tokens and implementing session limits with automatic cleanup
Challenge 2
Create a custom exception handling system for better error management
Solution:
Developed a global exception handler with custom exceptions and an exception factory for consistent error management
Challenge 3
Design a scalable architecture that can work as both template and microservice
Solution:
Implemented a modular architecture with Spring Boot that can be easily integrated as a microservice or used as a project template
Technologies Used
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