Telegram Media Forwarding Bot (Cloudflare Workers)

This is a Telegram bot built with Cloudflare Workers and Node.js that allows users to upload photos and videos. The bot forwards the received media to a specified target user while rejecting non-media messages.

Features

• ✅ Handles photos & videos only (rejects other message types)
• ✅ Forwards media to a specific Telegram user with a sender mention
• ✅ Supports captions and attaches them to forwarded media
• ✅ Runs on Cloudflare Workers for serverless deployment
• ✅ Logs received messages & bot events for debugging

Technologies Used

• Cloudflare Workers (serverless execution)
• Telegram Bot API
• Node.js (ES Modules)
• Wrangler (for deployment)
• Environment Variables (for security)

Installation & Deployment

1️⃣ Set Up a Telegram Bot

1. Open Telegram and start a chat with BotFather.
2. Use /newbot to create a new bot and get your BOT_TOKEN.
3. Save the bot token for later.

2️⃣ Clone This Repository

git clone https://github.com/your-username/telegram-bot-cloudflare.git
cd telegram-bot-cloudflare

3️⃣ Configure Environment Variables

Rename .env.example to .env and fill in your bot credentials:

TELEGRAM_BOT_TOKEN=your-bot-token
TARGET_USER_ID=your-telegram-user-id
TELEGRAM_API_URL=https://api.telegram.org

4️⃣ Install Wrangler & Deploy

1. Install Cloudflare Wrangler CLI:

   npm install -g wrangler

2. Authenticate with Cloudflare:

   wrangler login

3. Deploy the worker:

   wrangler publish

4. Set the Telegram webhook:

   curl -X POST "https://api.telegram.org/botYOUR_TELEGRAM_BOT_TOKEN/setWebhook?url=YOUR_WORKER_URL"

Usage

• Send a photo or video to the bot → It forwards it to the target user.
• Send anything else → The bot rejects it with a message.
• Use /start command → The bot sends a greeting message.

Debugging

View real-time logs with:

wrangler tail

If the bot is not responding, check your webhook:

curl -X GET "https://api.telegram.org/botYOUR_TELEGRAM_BOT_TOKEN/getWebhookInfo"

License

This project is open-source under the MIT License.