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# ✅ AUDIO PLAYBACK FIXES APPLIED
**Date:** December 2025
**Status:** FIXES APPLIED - READY FOR TESTING
---
## 🔧 FIXES APPLIED
### Fix 1: Added Explicit Exception in Main .htaccess ✅
**File:** `/.htaccess`
**Change:** Added explicit rule to prevent rewrite of `/utils/play_audio.php`
**Before:**
```apache
# Allow API directory PHP files
RewriteCond %{REQUEST_URI} ^/api/.*\.php$
RewriteRule ^ - [L]
# Don't rewrite index.php itself
RewriteRule ^index\.php$ - [L]
```
**After:**
```apache
# Allow API directory PHP files
RewriteCond %{REQUEST_URI} ^/api/.*\.php$
RewriteRule ^ - [L]
# Allow utils/play_audio.php - CRITICAL for audio playback
RewriteCond %{REQUEST_URI} ^/utils/play_audio\.php
RewriteRule ^ - [L]
# Don't rewrite index.php itself
RewriteRule ^index\.php$ - [L]
```
**Why:** Ensures `/utils/play_audio.php` is never rewritten by main `.htaccess` rules, even if there are edge cases with file detection.
---
### Fix 2: Added Global Player Pages to Allowed List ✅
**File:** `utils/play_audio.php`
**Change:** Added `global_player.php` and `index.php` to allowed pages list
**Before:**
```php
$allowedPages = [
'track.php',
'community_fixed.php',
'create_music.php',
'radio/',
'library',
'admin_batch_analyze_tracks.php',
'admin.php',
];
```
**After:**
```php
$allowedPages = [
'track.php',
'community_fixed.php',
'create_music.php',
'radio/',
'library',
'admin_batch_analyze_tracks.php',
'admin.php',
'global_player.php', // Global player may be loaded from various pages
'index.php', // Homepage may trigger player
];
```
**Why:** Global player may be loaded from various pages, and homepage may also trigger audio playback.
---
### Fix 3: Enhanced Error Logging ✅
**File:** `utils/play_audio.php`
**Changes:**
1. Added logging for access attempts without token
2. Enhanced logging for token validation failures (includes user_id, session_id, expires)
**Added Logging:**
- Line ~331: Logs access attempts without token (includes referrer and range request status)
- Line ~412: Enhanced logging for public track token validation failures
- Line ~431: Enhanced logging for private track token validation failures
**Why:** Better debugging when playback fails. Helps identify:
- Missing referrer headers
- Session mismatches
- Token expiration issues
- User/session binding problems
---
## 📋 TESTING CHECKLIST
### Test 1: Basic Playback Test
- [ ] Open a page with tracks (e.g., `community_fixed.php`)
- [ ] Click play on a track
- [ ] Audio should start playing
- [ ] Check browser console for `🎵` messages (should see success messages)
- [ ] Check Network tab - `/utils/play_audio.php` should return 200 (not 403/404)
### Test 2: Token Generation Test
- [ ] Open browser console (F12)
- [ ] Run: `fetch('/api/get_audio_token.php?track_id=123')`
- [ ] Should return JSON with `success: true` and `url` field
- [ ] URL should contain `token` and `expires` parameters
### Test 3: Range Request Test (Seeking)
- [ ] Start playing a track
- [ ] Wait for it to load
- [ ] Click to seek to middle of track
- [ ] Audio should continue playing from new position
- [ ] Check Network tab - should see Range request with 206 status
### Test 4: Multiple Tracks Test
- [ ] Play track 1
- [ ] Stop and play track 2
- [ ] Both should work without errors
- [ ] Check console for any token errors
### Test 5: Session Persistence Test
- [ ] Play a track
- [ ] Wait 30 seconds
- [ ] Seek to different position
- [ ] Should work (Range requests don't consume token uses)
---
## 🔍 DIAGNOSTIC COMMANDS
### Check if play_audio.php is accessible:
```bash
curl -I "https://soundstudiopro.com/utils/play_audio.php?id=123&token=test&expires=1234567890"
```
### Check error logs for audio issues:
```bash
# Look for audio-related errors
tail -f /path/to/error.log | grep -i "AUDIO"
```
### Test token generation:
```bash
curl "https://soundstudiopro.com/api/get_audio_token.php?track_id=123"
```
---
## 🐛 TROUBLESHOOTING
### If audio still doesn't play:
1. **Check Browser Console:**
- Look for `🎵` messages
- Look for `❌` errors
- Check for CORS errors
- Check for 403/404 errors
2. **Check Network Tab:**
- Find `/utils/play_audio.php` request
- Check response code (should be 200, not 403/404)
- Check response headers
- Check if request has token parameters
3. **Check Server Logs:**
- Look for "AUDIO:" messages
- Check for token validation failures
- Check for session mismatches
4. **Verify .htaccess:**
```bash
cat .htaccess | grep -A 2 "utils/play_audio"
cat utils/.htaccess
```
5. **Test Direct Access:**
- Try accessing `/utils/play_audio.php?id=123&token=test&expires=1234567890` directly
- Should return 403 (expected - security feature)
- Should show access denied page
---
## 📊 EXPECTED BEHAVIOR
### Successful Playback:
1. User clicks play
2. Global player fetches token from `/api/get_audio_token.php`
3. Token includes user_id and session_id
4. Player calls `/utils/play_audio.php?id=X&token=Y&expires=Z`
5. Server validates token (multiple strategies for compatibility)
6. Server serves audio file (200 or 206 for Range requests)
7. Audio plays in browser
### Failed Playback (Security):
1. User tries direct URL access
2. No referrer or invalid referrer
3. No token provided
4. Server returns 403 with access denied page
---
## 🔒 SECURITY MAINTAINED
All fixes maintain security:
- ✅ Token validation still required
- ✅ User/session binding still enforced
- ✅ Direct URL access still blocked (without token)
- ✅ Private tracks still protected
- ✅ Token usage tracking still active
- ✅ Range requests don't consume token uses (allows normal playback)
---
## 📝 NEXT STEPS
1. **Test** - Run all tests in checklist above
2. **Monitor** - Check error logs for "AUDIO:" messages
3. **Verify** - Confirm playback works in production
4. **Report** - If issues persist, check logs and report findings
---
**Status:** ✅ **FIXES APPLIED - READY FOR TESTING**