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1# 🚀 OAuth Migration to @atproto/oauth-client-browser
2
3Your app has been successfully set up with a new, simplified OAuth implementation using the official `@atproto/oauth-client-browser` package. This migration will replace ~1000 lines of custom OAuth code with a robust, officially-maintained solution.
4
5## 📁 New Files Created
6
7### Core OAuth Implementation
8- **`app/src/lib/oauth-client.ts`** - OAuth client setup and configuration
9- **`app/src/lib/auth-context-new.tsx`** - New auth context using OAuth client
10- **`app/src/lib/api-client.ts`** - Simplified API calls using OAuth sessions
11
12### Updated Pages
13- **`app/src/app/auth/login/page-new.tsx`** - Simplified login page
14- **`app/src/app/auth/callback/page-new.tsx`** - Simplified callback handling
15
16### Documentation & Scripts
17- **`OAUTH_MIGRATION_GUIDE.md`** - Detailed migration guide
18- **`test-new-oauth.js`** - Script to test new implementation
19- **`restore-oauth.js`** - Script to restore original implementation
20
21## 🧪 How to Test the New Implementation
22
23### 1. Test the New OAuth System
24
25```bash
26# Run the test setup script
27./test-new-oauth.js
28
29# Start the development server
30cd app && npm run dev
31```
32
33### 2. Test Authentication Flow
34
351. **Visit** http://localhost:3000
362. **Click Login** to go to the new login page
373. **Test with different handles:**
38 - Bluesky: `yourhandle.bsky.social`
39 - Third-party PDS: `handle.geese.blue`
40 - Custom domain: `yourhandle.yourdomain.com`
414. **Verify** the callback completes successfully
425. **Check** that you're authenticated on the home page
43
44### 3. Test Session Management
45
461. **Sign in** and verify it works
472. **Refresh the page** - should stay signed in
483. **Close and reopen browser** - should restore session
494. **Test sign out** - should clear session properly
50
51### 4. Restore Original (if needed)
52
53```bash
54# Restore the original implementation
55./restore-oauth.js
56```
57
58## ✨ Key Benefits of Migration
59
60### **Simplified Codebase**
61- Removes ~1000 lines of custom OAuth code
62- No more manual PKCE flow implementation
63- No more custom DPoP token generation
64- No more complex nonce handling
65- Eliminates custom API routes (`/api/auth/token`, `/api/auth/nonce`)
66
67### **Better Reliability**
68- Official implementation tested across many applications
69- Automatic token refresh with proper retry logic
70- Better error handling and recovery
71- Proper session lifecycle management
72
73### **Enhanced Security**
74- Uses secure IndexedDB storage instead of localStorage
75- Follows latest AT Protocol OAuth specifications
76- Automatic DPoP implementation
77- Better session invalidation handling
78
79### **Improved Developer Experience**
80- Direct integration with `@atproto/api` Agent
81- Automatic handle resolution
82- Built-in support for third-party PDS servers
83- Event listeners for session changes
84- Better TypeScript support
85
86## 🔄 Migration Process (When Ready)
87
88### Phase 1: Backup & Prepare
89```bash
90# Already done - scripts handle this automatically
91```
92
93### Phase 2: Switch to New Implementation
94```bash
95# Replace the auth context import in layout.tsx
96# From: '@/lib/auth-context'
97# To: '@/lib/auth-context-new'
98```
99
100### Phase 3: Update Pages
101```bash
102# Replace login page
103mv app/src/app/auth/login/page.tsx app/src/app/auth/login/page-old.tsx
104mv app/src/app/auth/login/page-new.tsx app/src/app/auth/login/page.tsx
105
106# Replace callback page
107mv app/src/app/auth/callback/page.tsx app/src/app/auth/callback/page-old.tsx
108mv app/src/app/auth/callback/page-new.tsx app/src/app/auth/callback/page.tsx
109```
110
111### Phase 4: Update API Calls
112Replace complex API calls throughout your app:
113
114```tsx
115// Before
116import { getProfile } from '@/lib/bluesky-api'
117const profile = await getProfile(accessToken, keyPair, dpopNonce, handle, pdsEndpoint)
118
119// After
120import { getProfile } from '@/lib/api-client'
121const profile = await getProfile(session)
122```
123
124### Phase 5: Cleanup (After Testing)
125Remove old files when confident in the new implementation:
126- `app/src/lib/bluesky-auth.ts`
127- `app/src/lib/auth-context.tsx` (old version)
128- `app/src/lib/storage-util.ts`
129- `app/src/app/api/auth/token/route.ts`
130- `app/src/app/api/auth/nonce/route.ts`
131
132## 🛠 Compatibility Notes
133
134### **Legacy Code Support**
135The new auth context provides backward compatibility:
136- `accessToken` → `session?.accessToken`
137- `refreshToken` → `session?.refreshToken`
138- `did` → `session?.sub`
139- `handle` → `session?.info?.handle`
140- `pdsEndpoint` → extracted from session info
141
142### **Third-Party PDS Support**
143Full support maintained for:
144- ✅ Bluesky (bsky.social)
145- ✅ Custom domains (alice.example.com)
146- ✅ Third-party PDS (geese.blue, etc.)
147- ✅ Self-hosted instances
148
149### **Existing API Calls**
150Most existing API calls will continue to work during transition period due to legacy compatibility properties.
151
152## 🐛 Troubleshooting
153
154### **If Login Fails**
1551. Check browser console for errors
1562. Verify client metadata is accessible at https://flushes.app/client-metadata.json
1573. Ensure handle resolution is working
1584. Test with a simple Bluesky handle first
159
160### **If Session Not Restored**
1611. Check if IndexedDB is enabled in browser
1622. Verify no browser extensions blocking storage
1633. Check for console errors during initialization
164
165### **If API Calls Fail**
1661. Verify session object has required properties
1672. Check if using new API client methods
1683. Ensure proper error handling for session expiration
169
170## 📞 Support
171
172If you encounter any issues:
173
1741. **Check the logs** - The new implementation provides detailed console logging
1752. **Test incrementally** - Use the test scripts to verify each step
1763. **Rollback if needed** - The restore script quickly reverts changes
1774. **Reference the guide** - See `OAUTH_MIGRATION_GUIDE.md` for detailed steps
178
179## 🎉 Next Steps
180
1811. **Test thoroughly** with the new implementation
1822. **Update your components** to use the new auth context
1833. **Migrate API calls** to use the new client
1844. **Remove old files** once confident in the new system
1855. **Enjoy** the simplified, more reliable OAuth flow!
186
187The migration significantly reduces complexity while providing better reliability, security, and developer experience. The official `@atproto/oauth-client-browser` package handles all the OAuth complexity for you.