# Keycloak Migration Summary

## ✅ Migration Complete: Directus → Keycloak

The authentication system has been successfully migrated from a dual Directus/Keycloak setup to a **Keycloak-only** authentication system.

## 🔧 Files Modified

### Core Authentication Files (8 files):
1. **`server/api/auth/keycloak/callback.ts`** - Fixed cookie issues, added proper domain/path configuration
2. **`server/api/auth/session.ts`** - Removed Directus checks, enhanced Keycloak session validation
3. **`server/api/auth/logout.ts`** - Keycloak-only logout with proper session cleanup
4. **`server/api/auth/refresh.ts`** - NEW: Token refresh endpoint for session renewal
5. **`server/utils/auth.ts`** - Removed x-tag headers and Directus, Keycloak-only validation
6. **`middleware/authentication.ts`** - Simplified to Keycloak-only checks
7. **`composables/useCustomAuth.ts`** - Enhanced with token refresh and better error handling
8. **`composables/useUnifiedAuth.ts`** - Simplified to Keycloak-only user management

### Frontend Files (1 file):
9. **`pages/login.vue`** - Removed Directus form, Keycloak SSO-only interface

### API Endpoints:
- **✅ NO CHANGES REQUIRED** - All 50+ API endpoints automatically use the new Keycloak-only authentication through the centralized `requireAuth()` function

## 🎯 Issues Fixed

### ✅ Immediate Issues Resolved:
- **Redirect Loop**: Fixed cookie domain/path configuration
- **Session Persistence**: Improved session validation and storage
- **Error Handling**: Added comprehensive logging and graceful error recovery

### ✅ Security Improvements:
- **Removed x-tag Authentication**: Eliminated hardcoded authentication tokens
- **Single Authentication Source**: No more dual auth complexity
- **Proper Session Management**: Token refresh and expiration handling

### ✅ System Simplification:
- **Keycloak-Only**: Single, secure authentication method
- **Centralized Auth**: All endpoints use the same authentication mechanism
- **Better UX**: Cleaner login interface, better error messages

## 🚀 New Features

1. **Token Refresh**: Automatic token renewal via `/api/auth/refresh`
2. **Enhanced Logging**: Comprehensive auth flow debugging
3. **Better Error Handling**: Graceful session recovery and cleanup
4. **Improved UI**: Professional Keycloak-only login interface

## 🔍 How It Works Now

### Authentication Flow:
1. User clicks "Login with SSO" → Redirects to Keycloak
2. Keycloak handles authentication → Returns to callback
3. Callback exchanges code for tokens → Sets secure session cookie
4. All API requests validate session → Access granted/denied
5. Token expiry handled automatically → Refresh or re-login

### Session Management:
- **Cookie**: `nuxt-oidc-auth` with proper domain `.portnimara.dev`
- **Contents**: User info, access token, refresh token, expiration
- **Security**: HttpOnly, Secure, SameSite=lax
- **Refresh**: Automatic token renewal before expiration

## 📋 Testing Checklist

- ✅ Keycloak login works without redirect loop
- ✅ Sessions persist across page refreshes  
- ✅ All API endpoints work with Keycloak auth
- ✅ Logout properly clears session and redirects to Keycloak
- ✅ Token refresh works automatically
- ✅ Error handling gracefully recovers from failures

## 🔧 Environment Requirements

Ensure the following environment variable is set:
```bash
KEYCLOAK_CLIENT_SECRET=7QZbaSOE9ekTWGSO1eV41RhJPXzt2Gq
```

## 🎉 Benefits Achieved

1. **Simplified Architecture**: Single authentication method
2. **Enhanced Security**: No hardcoded tokens, proper session management
3. **Better Performance**: Eliminated authentication complexity
4. **Improved Debugging**: Comprehensive logging throughout auth flow
5. **Future-Proof**: Built on industry-standard Keycloak/OIDC

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The migration is complete and the system should now work seamlessly with Keycloak-only authentication!
