Telegram channel mirroring app

App helps make telegram channel mirror. We will use Telegram client API because Bot API have limited functionality.

Functionality

1. Catching NewMessage and MessageEdited event and sending them forward
2. Flexible source and target channels mapping

Prepare

1. Create Telegram App
2. Obtain API App ID and hash
3. Setup Postgres database
4. Fill .env-example with your data and rename it to .env
   1. SESSION_STRING can be obtained by running login.py with putted API_ID and API_HASH before.

API_ID=test # Telegram app ID
API_HASH=test # Telegram app hash
SESSION_STRING=test # Telegram session string
# Mapping between source and target channels
# Channel id can be fetched by using @messageinformationsbot telegram bot
# and it always starts with -100 prefix
# [id1, id2, id3:id4] means send messages from id1, id2, id3 to id4
# id5:id6 means send messages from id5 to id6
# [id1, id2, id3:id4];[id5:id6] semicolon means AND
CHAT_MAPPING=[-100999999,-100999999,-100999999:-1009999999];
TIMEOUT_MIRRORING=0.1 # Delay in sec between sending or editing messages
REMOVE_URLS=false   # Apply removing URLs on messages
# Remove URLs whitelist
REMOVE_URLS_WL=youtube.com,youtu.be,vk.com,twitch.tv,instagram.com
# Postgres credentials
DATABASE_URL=postgres://user:pass@host/dbname
# or
DB_NAME=test
DB_USER=test
DB_HOST=test
DB_PASS=test

Deploy

Locally

1. Create and activate python virtual environment

python -m venv myvenv
source myvenv/Scripts/activate # linux
myvenv/Scripts/activate # windows

2. Install depencies

pip install -r requirements.txt

3. Run

python app/telemirror.py

Heroku

or

1. Clone project

    git clone https://github.com/khoben/telemirror.git

2. Create new heroku app within Heroku CLI

    heroku create {your app name}

3. Add heroku remote

    heroku git:remote -a {your app name}

4. Set environment variables to your heroku app from .env by running .bash script

    ./.bash

5. Upload on heroku host

    git push heroku master

6. Start heroku app

    heroku ps:scale run=1