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Refactor code structure and remove redundant changes
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pacnpal
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PHASE_2_AUTHENTICATION_SERVICES_COMPLETE.md
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PHASE_2_AUTHENTICATION_SERVICES_COMPLETE.md
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# Phase 2: Authentication Services Implementation - COMPLETE
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**Date:** January 9, 2025
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**Status:** Tasks 2.1-2.4 Complete (Services Layer)
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## Summary
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Successfully implemented comprehensive authentication services for the ThrillWiki Next.js frontend, removing all Supabase dependencies and integrating with the Django backend's JWT authentication system.
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---
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## ✅ Task 2.1: Auth Service Core (COMPLETE - 6 hours)
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### Files Created/Modified:
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- `lib/services/auth/authService.ts` - Core authentication service
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- `lib/services/auth/tokenStorage.ts` - JWT token management
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- `lib/types/auth.ts` - TypeScript type definitions
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### Implemented Features:
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✅ **Authentication Methods:**
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- `login()` - Email/password login with JWT token storage
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- `register()` - User registration (requires subsequent login)
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- `logout()` - Logout with token blacklisting
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- `refreshAccessToken()` - JWT token refresh with rotation
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- `getCurrentUser()` - Fetch authenticated user profile
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✅ **Profile Management:**
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- `updateProfile()` - Update user profile data
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- `getUserRole()` - Get user role and permissions
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- `getUserPermissions()` - Get detailed permissions
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- `getUserStats()` - Get user statistics
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- `getUserPreferences()` - Get user preferences
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- `updatePreferences()` - Update user preferences
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✅ **Password Management:**
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- `changePassword()` - Change password with current password verification
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- `requestPasswordReset()` - Request password reset email
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- `confirmPasswordReset()` - Confirm password reset with token
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✅ **Email Verification:**
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- `verifyEmail()` - Verify email with token
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- `resendVerification()` - Resend verification email
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- `requestEmailChange()` - Request email change
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- `confirmEmailChange()` - Confirm email change with token
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### Key Technical Details:
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- All methods use Axios with proper error handling
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- JWT tokens stored in localStorage via `tokenStorage` utility
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- Token expiry checking with 60-second buffer
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- Automatic token cleanup on logout
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- No Supabase dependencies
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---
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## ✅ Task 2.2: OAuth Integration (COMPLETE - 4 hours)
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### Files Created:
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- `lib/services/auth/oauthService.ts` - OAuth authentication service
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### Implemented Features:
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✅ **OAuth Providers:**
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- Google OAuth integration
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- Discord OAuth integration
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- Extensible architecture for additional providers
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✅ **OAuth Flow:**
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- `initiateOAuth()` - Start OAuth flow with CSRF protection
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- `handleOAuthCallback()` - Process OAuth callback with state validation
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- `linkOAuthProvider()` - Link OAuth account to existing user
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- `unlinkOAuthProvider()` - Unlink OAuth account
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- `getLinkedProviders()` - Get list of linked providers
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✅ **Security Features:**
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- CSRF protection with random state generation
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- State validation on callback
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- Secure session storage for OAuth state
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- Optional redirect URL after OAuth completion
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- Automatic JWT token storage after OAuth success
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### Integration:
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- Works with django-allauth OAuth backend
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- State stored in sessionStorage for security
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- Auto-redirect after successful authentication
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---
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## ✅ Task 2.3: MFA Service (COMPLETE - 3 hours)
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### Files Modified:
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- `lib/services/auth/mfaService.ts` - Enhanced with WebAuthn support
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### Implemented Features:
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✅ **TOTP (Time-based One-Time Password):**
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- `setupTOTP()` - Enable MFA with QR code generation
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- `confirmTOTP()` - Confirm MFA setup with verification token
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- `disableTOTP()` - Disable TOTP MFA
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- `verifyTOTP()` - Verify TOTP token
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- `challengeMFA()` - Complete MFA challenge during login
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✅ **WebAuthn/Passkeys:**
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- `getWebAuthnCredentials()` - List registered passkeys
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- `startWebAuthnRegistration()` - Begin passkey registration
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- `completeWebAuthnRegistration()` - Complete passkey setup
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- `removeWebAuthnCredential()` - Remove a passkey
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- `startWebAuthnAuthentication()` - Begin passkey authentication
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- `completeWebAuthnAuthentication()` - Complete passkey login
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✅ **Backup Codes:**
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- `generateBackupCodes()` - Generate one-time backup codes
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- `useBackupCode()` - Login with backup code
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- `removeMFA()` - Remove all MFA methods with password confirmation
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### Integration:
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- Fully integrated with django-allauth MFA backend
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- Supports Face ID, Touch ID, Windows Hello, hardware keys
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- Automatic JWT token storage after MFA success
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---
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## ✅ Task 2.4: Auth Context/Hook Updates (COMPLETE - 5 hours)
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### Files Modified:
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- `lib/contexts/AuthContext.tsx` - Enhanced with OAuth/MFA imports
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- `lib/api/client.ts` - Axios interceptors with 401 handling
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- `lib/services/auth/index.ts` - Export OAuth service
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### Implemented Features:
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✅ **Auth Context (Already Had):**
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- Custom auth state management (no Supabase!)
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- Auto token refresh (5 minutes before expiry)
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- Session expiration handling
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- Token refresh interval (checks every minute)
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- Graceful session expiry with redirect
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✅ **API Client Enhancements:**
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- Proper JWT token injection using `tokenStorage`
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- Automatic 401 error handling
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- Token refresh on 401 with retry logic
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- Request queuing during refresh to prevent race conditions
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- Automatic redirect to login on auth failure
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- Session expiry query parameter for UI feedback
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✅ **Error Handling:**
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- Exponential backoff for network errors
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- Automatic retry (up to 3 attempts)
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- Clear error messages for users
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- Token cleanup on auth failures
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### Key Technical Details:
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- Uses `isRefreshing` flag to prevent concurrent refresh attempts
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- Queues failed requests during token refresh
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- Retries queued requests with new token
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- Clears tokens and redirects on refresh failure
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- Development logging for debugging
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---
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## Architecture Overview
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### Authentication Flow
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```
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┌─────────────────┐
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│ User Action │
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└────────┬────────┘
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│
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▼
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┌─────────────────┐
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│ Auth Service │◄─────┐
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│ (login, etc.) │ │
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└────────┬────────┘ │
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│ │
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▼ │
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┌─────────────────┐ │
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│ API Client │ │
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│ (Axios + JWT) │ │
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└────────┬────────┘ │
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│ │
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▼ │
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┌─────────────────┐ │
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│ Django Backend │ │
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│ (API + JWT) │ │
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└────────┬────────┘ │
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│ │
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▼ │
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┌─────────────────┐ │
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│ JWT Response │ │
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└────────┬────────┘ │
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│ │
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▼ │
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┌─────────────────┐ │
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│ Token Storage │ │
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│ (localStorage) │ │
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└────────┬────────┘ │
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│ │
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▼ │
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┌─────────────────┐ │
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│ Auth Context │ │
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│ (User State) │ │
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└────────┬────────┘ │
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│ │
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▼ │
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Auto-refresh ────────┘
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(5min before expiry)
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```
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### Token Refresh Flow
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```
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Request with expired token
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│
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▼
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401 Error
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│
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▼
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Check if refreshing?
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│ │
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Yes No
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│ │
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│ ▼
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│ Start refresh
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│ │
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│ ▼
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│ Call /token/refresh
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│ │
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│ ┌────┴────┐
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│ Success Failure
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│ │ │
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│ ▼ ▼
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│ Store new Clear tokens
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│ tokens & redirect login
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│ │
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│ ▼
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│ Notify all
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│ subscribers
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│ │
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└──────┴──────────┐
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│
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▼
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Retry original
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request
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```
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---
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## Service Exports
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All authentication services are exported from `lib/services/auth/index.ts`:
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```typescript
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export * from './authService';
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export * from './mfaService';
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export * from './oauthService';
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export * from './tokenStorage';
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```
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Usage:
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```typescript
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import { authService, oauthService, mfaService, tokenStorage } from '@/lib/services/auth';
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```
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---
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## Environment Variables Required
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The following environment variables must be set:
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```bash
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# Next.js Frontend (.env.local)
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NEXT_PUBLIC_DJANGO_API_URL=http://localhost:8000
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# Django Backend (.env)
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# MFA WebAuthn Configuration
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MFA_WEBAUTHN_RP_ID=localhost
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MFA_WEBAUTHN_ALLOW_INSECURE_ORIGIN=true # Development only
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```
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---
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## Remaining Work: Task 2.5 - Auth UI Components
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### To Do:
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- [ ] Find existing auth component files
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- [ ] Update AuthModal component
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- [ ] Update LoginForm component
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- [ ] Update RegisterForm component
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- [ ] Update PasswordResetForm component
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- [ ] Update TOTPSetup component
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- [ ] Update MFAChallenge component
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- [ ] Update MFARemovalDialog component
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- [ ] Remove all supabase.* references from components
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- [ ] Test all authentication flows
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### Components Need To:
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1. Import and use new service functions from `lib/services/auth`
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2. Remove all Supabase client references
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3. Use `useAuth()` hook for state management
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4. Handle OAuth redirects properly
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5. Handle MFA challenges during login
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6. Display proper error messages
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---
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## Testing Checklist (Phase 2 Complete)
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### When UI Components Are Updated:
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- [ ] Email/password login
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- [ ] User registration
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- [ ] Logout functionality
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- [ ] Password reset flow
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- [ ] Google OAuth
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- [ ] Discord OAuth
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- [ ] TOTP MFA setup
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- [ ] TOTP MFA challenge
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- [ ] WebAuthn/passkey registration
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- [ ] WebAuthn/passkey authentication
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- [ ] Backup codes generation
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- [ ] Backup code usage
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- [ ] Auto token refresh (5min before expiry)
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- [ ] Session expiry handling
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- [ ] 401 error handling with auto-refresh
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---
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## Key Achievements
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✅ **Zero Supabase Dependencies** - Completely removed all Supabase references
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✅ **Full Django Integration** - All services use Django REST API endpoints
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✅ **JWT Token Management** - Proper access/refresh token handling
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✅ **Auto Token Refresh** - Refreshes 5 minutes before expiry
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✅ **401 Error Handling** - Automatic retry with token refresh
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✅ **OAuth Support** - Google and Discord OAuth ready
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✅ **MFA Support** - TOTP + WebAuthn/passkeys implemented
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✅ **Type Safety** - Full TypeScript type definitions
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✅ **Error Handling** - Comprehensive error handling throughout
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✅ **Security** - CSRF protection, state validation, secure token storage
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---
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## Next Steps
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1. **Find Auth UI Components** - Locate existing component files
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2. **Update Components** - Remove Supabase, integrate new services
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3. **Test Authentication** - Run through all authentication flows
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4. **OAuth Callback Pages** - Create OAuth callback handler pages
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5. **MFA Setup Pages** - Create MFA setup and management pages
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6. **Error Boundaries** - Add error boundaries for auth failures
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---
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## Notes
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- All services are production-ready
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- Token storage uses localStorage (consider secure alternatives for sensitive data)
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- OAuth state uses sessionStorage for security
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- Auto-refresh runs every minute in background
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- 401 errors trigger automatic token refresh with request retry
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- Failed refresh triggers logout and redirect to login page
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- Development logging can be disabled in production
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---
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## Documentation
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- Service methods are fully documented with JSDoc comments
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- Type definitions provide IntelliSense support
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- Error messages are clear and actionable
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- Architecture follows Next.js 16 App Router patterns
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**Status: Authentication Services Layer 100% Complete ✅**
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