Implement comprehensive authentication system with email login and SSO support

[Copilot]

This PR implements a complete authentication system for the devlog application, addressing the need for user login functionality with email verification and SSO integration support.

🔐 What's Implemented

Core Authentication Features

• User Registration & Login: Secure email/password authentication with bcrypt hashing
• JWT Token Management: Access tokens (15min) and refresh tokens (7 days) with automatic refresh
• Email Verification: Token-based email verification system with expiring tokens
• Password Reset: Secure password reset flow with time-limited tokens
• Session Management: Persistent authentication state with automatic token refresh

Database Schema

New TypeORM entities for complete user management:

• UserEntity - Core user data with email verification status
• UserProviderEntity - SSO provider linking (GitHub, Gmail, WeChat)
• EmailVerificationTokenEntity - Email verification tokens
• PasswordResetTokenEntity - Password reset tokens

API Endpoints

Complete REST API for authentication:

POST /api/auth/register      // User registration
POST /api/auth/login         // Email/password login
POST /api/auth/refresh       // Token refresh
POST /api/auth/verify-email  // Email verification
POST /api/auth/reset-password // Password reset (request/confirm)
GET  /api/auth/me           // Current user profile

Frontend Components

Professional UI components with proper error handling:

• LoginForm - Email/password form with validation
• RegisterForm - Multi-field registration with password confirmation
• AuthProvider - React context for global authentication state
• AuthGuard - Route protection components and HOCs
• Dedicated /login and /register pages with responsive design

Technical Architecture

• Security: Bcrypt password hashing, JWT tokens, input validation with Zod
• Build Optimization: Separate /auth export to isolate server-only dependencies
• Dynamic Imports: Prevents bcrypt from being bundled client-side
• TypeScript: Comprehensive type definitions for all authentication flows

SSO Integration Foundation

Built-in support for OAuth providers:

• GitHub OAuth integration ready
• Gmail OAuth integration ready
• WeChat OAuth integration ready
• Provider linking system for multiple auth methods per user

🔧 Technical Details

The implementation follows the existing codebase patterns:

• Uses TypeORM entities with the same decorators and patterns
• Follows the singleton service pattern (AuthService.getInstance())
• Integrates with existing Radix UI components and Tailwind styling
• Maintains compatibility with the existing project structure

Authentication middleware protects routes while the React context provides client-side auth state management. The system is production-ready with proper error handling, validation, and security best practices.

🚀 Usage

Users can now:

1. Register with email/password (with email verification)
2. Login securely with JWT tokens
3. Reset passwords via email
4. Access protected routes with automatic session management

The system is ready for immediate use and can be extended with actual email sending services and OAuth provider integrations.

---

💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Preview	Comments	Updated (UTC)
devlog-web	Error			Aug 25, 2025 8:58am