This bot will automatically reply to any new or infrequent user on Telegram. This can be helpful to prevent scammers from scamming users.
You need Deno installed.
Set up your configuration in config.ts. Use Telegram's BotFather to create a
bot, then add the bot to your chat group.
deno task start.
To deploy using Deno Deploy, create a bot and set up a
webhook URL with using Telegram's bot API.
In the end of the webhook URL, make sure that it is the Telegram bot token (i.e
https://my-bot.deno.dev/<bot token>). Inside Deno Deploy's interface, select
webhook.ts as the entry point.
Set up these environment variables. See config.ts for more info.
TELEGRAM_TOKEN
The bot token you get from GodFather.
AUTOREPLY_MESSAGE (optional)
The message the bot should automatically reply with.
You can use the macros %USERNAME% and %FIRSTNAME% for the user's username and
first name.
WHITELISTED_USERS (optional)
Comma-separated list of whitelisted user's IDs.
REPLY_ON_DAYS_PASSED (optional)
Reply to users that haven't written a message in the chat group for X number of
days. Set to 0 to deactivate, otherwise 90 days will be used.
DENOKV_TOPLEVEL_KEY (optional)
You can set or change this environment variable to reset the state.
Caution
If you deploy the bot on other serverless hosts it has to be on one region only. This is because Deno KV database replication is not supported outside Deno Deploy.
The project uses deno fmt. Run it before committing.
For Visual Studio Code you can install the Deno extension which includes the formatter.
Public domain via CC0 1.0.