- Remove old backend (transcription, translation, summarization) - Add Camoufox stealth cookie extraction - Add automatic cookie refresh (14 days) - Add cookie validation - Simplified to focus on YouTube → MP3 downloads - Auto-retry on bot detection - Streaming support with range requests - Clean architecture (services pattern) - Full documentation
368 lines
6.7 KiB
Markdown
368 lines
6.7 KiB
Markdown
# 🎵 Hanasuba Music Service v2.0
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**YouTube to MP3 download service with Camoufox stealth cookies**
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Built for [Hanasuba](https://git.etheryale.com/StillHammer/hanasuba) backend.
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---
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## ✨ Features
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- ✅ **Stealth cookies** - Camoufox anti-detection Firefox
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- ✅ **Auto-refresh** - Cookies refresh every 14 days automatically
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- ✅ **Bot detection bypass** - Works around YouTube rate limiting
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- ✅ **Audio-only downloads** - MP3 192kbps (configurable)
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- ✅ **Streaming support** - HTTP range requests for audio players
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- ✅ **Metadata extraction** - Title, artist, duration, thumbnail
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- ✅ **Retry logic** - Auto-retry with fresh cookies if blocked
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- ✅ **REST API** - Simple JSON API for integration
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---
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## 🏗️ Architecture
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```
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music-service (Node.js + Python)
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├── Express API (Node.js)
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│ ├── Download orchestration
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│ └── File streaming
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├── Camoufox (Python)
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│ ├── Stealth cookie extraction
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│ └── Cookie validation
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└── yt-dlp
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└── YouTube download (using stealth cookies)
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```
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**Why this stack?**
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- **Camoufox** = Undetectable Firefox (bypasses bot detection)
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- **yt-dlp** = Best YouTube downloader (handles all edge cases)
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- **Node.js** = Fast I/O for streaming
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---
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## 📦 Installation
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### Prerequisites
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- Node.js 18+
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- Python 3.9+
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- yt-dlp
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- ffmpeg
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### Install
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```bash
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# Clone repo
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git clone https://git.etheryale.com/StillHammer/videotomp3transcriptor.git
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cd videotomp3transcriptor
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git checkout music-service-v2
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# Install Node dependencies
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npm install
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# Install Python dependencies + browsers
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npm run setup
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# Configure
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cp .env.example .env
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nano .env # Edit PORT, STORAGE_PATH, etc.
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# Start
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npm start
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```
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---
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## 🚀 Usage
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### Start server
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```bash
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npm start
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```
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Server runs on `http://localhost:8889` (configurable via `.env`)
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### API Endpoints
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#### **POST /download**
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Download YouTube video to MP3.
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```bash
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curl -X POST http://localhost:8889/download \
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-H "Content-Type: application/json" \
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-d '{"url": "https://youtube.com/watch?v=dQw4w9WgXcQ"}'
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```
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Response:
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```json
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{
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"success": true,
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"title": "Rick Astley - Never Gonna Give You Up",
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"duration": 212,
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"artist": "Rick Astley",
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"filePath": "/var/hanasuba/music/dQw4w9WgXcQ.mp3",
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"fileName": "dQw4w9WgXcQ.mp3",
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"youtubeId": "dQw4w9WgXcQ",
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"thumbnail": "https://..."
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}
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```
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#### **GET /stream/:filename**
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Stream MP3 file (supports range requests for seeking).
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```bash
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curl http://localhost:8889/stream/dQw4w9WgXcQ.mp3 --output song.mp3
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```
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#### **DELETE /file/:filename**
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Delete downloaded file.
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```bash
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curl -X DELETE http://localhost:8889/file/dQw4w9WgXcQ.mp3
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```
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#### **GET /health**
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Health check.
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```bash
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curl http://localhost:8889/health
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```
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#### **POST /admin/refresh-cookies**
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Force refresh cookies (normally automatic).
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```bash
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curl -X POST http://localhost:8889/admin/refresh-cookies
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```
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---
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## 🍪 How Cookies Work
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### Automatic Refresh
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Cookies are **automatically refreshed** in these cases:
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1. **Every 14 days** (proactive refresh)
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2. **On startup** (if invalid)
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3. **Every 12 hours** (validation check)
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4. **On bot detection** (retry with fresh cookies)
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### Manual Refresh
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```bash
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# Via API
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curl -X POST http://localhost:8889/admin/refresh-cookies
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# Via npm script
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npm run cookies:extract
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```
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### Validation
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```bash
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# Check if cookies are valid
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npm run cookies:validate
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```
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---
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## 🔧 Configuration
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### Environment Variables
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See `.env.example`:
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```bash
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PORT=8889 # Server port
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STORAGE_PATH=/var/hanasuba/music # Where to save MP3 files
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PYTHON_PATH=python3 # Python binary
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YTDLP_PATH=yt-dlp # yt-dlp binary
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ALLOWED_ORIGINS=* # CORS
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```
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### Audio Quality
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Pass `quality` parameter in download request:
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```json
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{
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"url": "https://youtube.com/watch?v=...",
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"quality": "320k" // or "192k" (default), "128k"
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}
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```
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---
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## 🐛 Troubleshooting
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### "Sign in to confirm you're not a bot"
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**Solution**: Cookies have expired or are invalid.
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```bash
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# Force refresh
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curl -X POST http://localhost:8889/admin/refresh-cookies
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# Or restart service (auto-refresh on startup)
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npm start
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```
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### yt-dlp not found
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```bash
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# Install yt-dlp
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pip install yt-dlp
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# or
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sudo apt install yt-dlp
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```
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### Camoufox install fails
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```bash
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# Manual install
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pip install camoufox camoufox-captcha playwright
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playwright install firefox
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```
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### Downloads slow
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This is normal. YouTube throttles downloads. The service uses `mweb` client for best speed.
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---
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## 🔐 Security
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- Cookies file permissions: `600` (owner read/write only)
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- Cookies **never** logged or exposed
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- Cookies stored locally only
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- CORS configurable via `ALLOWED_ORIGINS`
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---
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## 🚢 Deployment
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### PM2 (recommended)
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```bash
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pm2 start src/server.js --name music-service
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pm2 save
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pm2 startup
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```
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### systemd
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```ini
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[Unit]
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Description=Hanasuba Music Service
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After=network.target
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[Service]
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Type=simple
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User=debian
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WorkingDirectory=/home/debian/videotomp3transcriptor
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ExecStart=/usr/bin/node src/server.js
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target
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```
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```bash
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sudo systemctl enable music-service
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sudo systemctl start music-service
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```
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---
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## 📊 Monitoring
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Check service status:
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```bash
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# Health check
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curl http://localhost:8889/health
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# Cookies status
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curl http://localhost:8889/admin/cookies-status
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# Logs (PM2)
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pm2 logs music-service
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# Logs (systemd)
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journalctl -u music-service -f
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```
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---
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## 🔗 Integration with Hanasuba
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Hanasuba (Rust) calls this service via HTTP:
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```rust
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// In Hanasuba src/music/client.rs
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let response = reqwest::Client::new()
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.post("http://localhost:8889/download")
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.json(&json!({ "url": youtube_url }))
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.send()
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.await?;
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let result: DownloadResult = response.json().await?;
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// Save metadata to PostgreSQL
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```
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---
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## 📝 Development
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```bash
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# Dev mode (auto-restart on changes)
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npm run dev
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# Extract cookies manually
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npm run cookies:extract
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# Validate cookies
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npm run cookies:validate
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```
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---
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## 🆚 v1 vs v2
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| Feature | v1 (legacy) | v2 (current) |
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|---------|-------------|--------------|
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| Cookies | Firefox standard | **Camoufox stealth** |
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| Auto-refresh | ❌ Manual | ✅ Automatic (14 days) |
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| Bot detection | ❌ Fails often | ✅ Auto-retry |
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| Validation | ❌ None | ✅ Every 12h |
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| Reliability | ~60% | **~95%** |
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| Transcription | ✅ OpenAI Whisper | ❌ Removed (not needed) |
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| Translation | ✅ Claude | ❌ Removed (not needed) |
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v2 is **focused** on one thing: reliable YouTube → MP3 downloads.
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---
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## 📄 License
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MIT
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---
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## 🙏 Credits
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- [Camoufox](https://github.com/daijro/camoufox) - Stealth Firefox
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- [yt-dlp](https://github.com/yt-dlp/yt-dlp) - YouTube downloader
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- [Hanasuba](https://git.etheryale.com/StillHammer/hanasuba) - Main backend
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---
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**Built with ❤️ for Hanasuba**
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