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tgbounce: Your Telegram Assistant

tgbounce is an advanced Telegram assistant, crafted to automate your chat interactions. It responds to messages, logs conversations, clicks buttons, and executes custom actions on your behalf, enhancing your Telegram experience with seamless efficiency. <br clear="right"/>

Application Model

tgbounce works with bounces, which are special rules set up to reply to messages. Each bounce has two parts: conditions and actions. Conditions are the rules that decide when to do something, and actions are what tgbounce does when those conditions are met. To check if a condition is true, tgbounce uses matchers. These can be simple checks or more complex evaluations. You can find out about the different kinds of fields tgbounce can work with by looking at the Telegram documentation.

Available actions

Specify your reactions to messages with the following actions, which can be used in any combination:

• reply(text, receiver: int = None): Sends a reply, optionally to a different receiver.
• click(label): Clicks a button identified by its label.
• mark_as_read(): Marks the message as read.
• exec(cmd): Executes a shell command, passing the message to the process' STDIN in JSON format.
• delete(revoke: bool = False): Deletes the message.

Examples

Automatic reply

To reply to any private message starting with "Hello", use this configuration:

{
  "bounces": [
    {
      "on": {
        "is_outgoing": false,
        "is_private": { "value":  "chat_id >= 0", "matcher": "expr" },
        "content.text.text": { "value": "^Hello.*$", "matcher": "regexp" }
      },
      "do": {
        "reply": ["Hi. Will respond to you in a minute."]
      }
    }
  ]
}

Buttons handling

To click automatically on button "Yes" attached to special messages from a particular user, use the following config:

{
  "bounces": [
    {
      "on": {
        "sender_id.user_id": 1234567890, 
        "content.text.text": { "value": "^Are you confirming .+?$", "matcher": "regexp" }
      },
      "do": {
        "click": ["Yes"],
        "mark_as_read": []
      }
    }
  ]
}

Command execution

Here is the bounce that sends every text message to the macOS Notification Center:

{
  "on": {
    "is_outgoing": false,
    "has_text": {
      "value": "content.text != None and content.text.text != None",
      "matcher": "expr"
    }
  },
  "do": {
    "exec": ["jq -r .content.text.text | terminal-notifier -title 'Telegram' -subtitle 'Incoming Message'"]
  }
}

Message deletion

Delete forwarded messages from a particular user (for both participants):

{
  "on": {
    "sender_id.user_id": 192830138,
    "is_forwarded": { "value": "forward_info != None", "matcher": "expr" }
  },
  "do": {
    "delete": {"revoke": true}
  }
}

Installation

Follow these steps to install tgbounce:

1. Install the latest version using Homebrew:

$ brew install azhuchkov/tools/tgbounce

2. Create a directory for configuration files and copy the example files into it:

$ mkdir -m 0700 ~/.tgbounce/ && \
  install -b -m 0600 $(brew --prefix)/opt/tgbounce/share/{config.ini,bounces.json} ~/.tgbounce/

3. Edit the main configuration file:

$ vim ~/.tgbounce/config.ini

4. Start tgbounce manually to enter the required credentials:

$ $(brew --prefix)/opt/tgbounce/libexec/bin/python3 $(brew --prefix)/opt/tgbounce/libexec/tgbounce.py

5. After entering credentials, exit (Ctrl+C) and then start tgbounce as a service:

$ brew services start tgbounce

Troubleshooting

If you encounter issues, these commands can help:

• Check the service status:

$ brew services info tgbounce

• Access the logs:

$ less $(brew --prefix)/var/log/tgbounce.log

• Reinstall the service, if any failures appear:

$ brew uninstall tgbounce; brew install tgbounce; brew services restart tgbounce

Signals

tgbounce supports the following signals: SIGUSR1, SIGHUP. The latter is used to reload the bounces configuration, and the former is used to notify the process about network changes for faster catch-up.

License

tgbounce is licensed under the GPLv3 License.