Files
spotlightcam/backend/package.json
Radosław Gierwiało 3788274f73 feat: add JWT authentication with complete test coverage
Phase 1 - Step 3: Authentication API

**Backend Authentication:**
- bcryptjs for password hashing (salt rounds: 10)
- JWT tokens with 24h expiration
- Secure password storage (never expose passwordHash)

**API Endpoints:**
- POST /api/auth/register - User registration
  - Username validation (3-50 chars, alphanumeric + underscore)
  - Email validation and normalization
  - Password validation (min 6 chars)
  - Duplicate email/username detection
  - Auto-generated avatar (ui-avatars.com)

- POST /api/auth/login - User authentication
  - Email + password credentials
  - Returns JWT token + user data
  - Invalid credentials protection

- GET /api/users/me - Get current user (protected)
  - Requires valid JWT token
  - Returns user data + stats (matches, ratings)
  - Token validation via middleware

**Security Features:**
- express-validator for input sanitization
- Auth middleware for protected routes
- Token verification (Bearer token)
- Password never returned in responses
- Proper error messages (no information leakage)

**Frontend Integration:**
- API service layer (frontend/src/services/api.js)
- Updated AuthContext to use real API
- Token storage in localStorage
- Automatic token inclusion in requests
- Error handling for expired/invalid tokens

**Unit Tests (30 tests, 78.26% coverage):**

Auth Endpoints (14 tests):
-  Register: success, duplicate email, duplicate username
-  Register validation: invalid email, short password, short username
-  Login: success, wrong password, non-existent user, invalid format
-  Protected route: valid token, no token, invalid token, malformed header

Auth Utils (9 tests):
-  Password hashing and comparison
-  Different hashes for same password
-  JWT generation and verification
-  Token expiration validation
-  Invalid token handling

All tests passing 
Coverage: 78.26% 
2025-11-12 22:16:14 +01:00

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JSON

{
"name": "spotlightcam-backend",
"version": "1.0.0",
"description": "Backend API for spotlight.cam - P2P video exchange for dance events",
"main": "src/server.js",
"scripts": {
"start": "node src/server.js",
"dev": "nodemon src/server.js",
"test": "jest --coverage",
"test:watch": "jest --watch",
"prisma:generate": "prisma generate",
"prisma:migrate": "prisma migrate dev",
"prisma:seed": "node prisma/seed.js",
"prisma:studio": "prisma studio"
},
"keywords": [
"webrtc",
"p2p",
"video",
"dance",
"matchmaking"
],
"author": "",
"license": "ISC",
"dependencies": {
"@prisma/client": "^5.8.0",
"bcryptjs": "^2.4.3",
"cors": "^2.8.5",
"dotenv": "^16.3.1",
"express": "^4.18.2",
"express-validator": "^7.3.0",
"jsonwebtoken": "^9.0.2"
},
"devDependencies": {
"jest": "^29.7.0",
"nodemon": "^3.0.2",
"prisma": "^5.8.0",
"supertest": "^6.3.3"
},
"jest": {
"testEnvironment": "node",
"coveragePathIgnorePatterns": [
"/node_modules/"
],
"testMatch": [
"**/__tests__/**/*.test.js"
]
}
}