Scrapes Telegram, sends to n8n. GUI settings, auto-start, random channels. See GitHub for full instructions.
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# telegram-web-scraper
UserScript to scrape Telegram channel messages and send to n8n or other system
# Telegram Web Scraper UserScript
A UserScript to scrape messages from specified Telegram channels (when viewed in web.telegram.org) and send them to a configured n8n webhook.
## Features
* Scrapes messages from the currently active channel or a predefined list of channels.
* Graphical User Interface (GUI) for easy configuration of settings, powered by GM_config.
* Filters messages by maximum age to avoid processing very old data.
* Automatically navigates between channels in multi-channel scraping mode.
* Incorporates randomized delays to better simulate human browsing patterns.
* Control via Tampermonkey/Violentmonkey menu commands.
* Bilingual comments (English/Russian) in the script code.
## Installation
1. **Install a UserScript Manager**:
* [Tampermonkey](https://www.tampermonkey.net/) (Recommended for Chrome, Edge, Safari, Opera, Firefox)
* [Violentmonkey](https://violentmonkey.github.io/) (Recommended for Firefox, Chrome, Edge, Opera)
* Or any other UserScript manager that supports `@require` and `@grant` directives.
2. **Install the Script**:
* **Click here to install**: [https://github.com/LebedevIV/telegram-web-scraper/raw/refs/heads/main/telegram-scraper.user.js](https://github.com/LebedevIV/telegram-web-scraper/raw/refs/heads/main/telegram-scraper.user.js)
* (Replace `ВАШ_НИКНЕЙМ_GITHUB` and `ИМЯ_ВАШЕГО_РЕПОЗИТОРИЯ` with your actual GitHub username and repository name. Also, ensure `main` is your default branch name; it might be `master` for older repositories.)
* Alternatively, navigate to the `telegram-scraper.user.js` file in this repository, click the "Raw" button, and your UserScript manager should prompt you to install it.
## Configuration
After installation, open Telegram Web (e.g., web.telegram.org/k/). The script's settings can be accessed via the UserScript manager's icon in your browser:
* Click the Tampermonkey/Violentmonkey icon.
* Find "Telegram Scraper (Menu Commands vX.X.X)" in the list of active scripts.
* Select "Настройки скрипта... / Script Settings..." from its dropdown menu.
Key settings include:
* **N8N Webhook URL**: The URL of your n8n webhook that will receive the scraped data.
* **Max message age (hours)**: Messages older than this will be ignored.
* Various timing and attempt parameters for scraping and navigation.
Default values and reload requirements are indicated next to each setting in the GUI.
## Usage
The script adds commands to your UserScript manager's menu for the Telegram Web tab:
* **Scrape Current Channel / Собрать с текущего канала**: Starts scraping messages from the channel currently open in Telegram Web.
* **Scrape All Listed Channels / Собрать со всех каналов**: Iterates through the `TARGET_CHANNELS_DATA` list defined in the script, scraping each one.
* **Stop All Scraping / Остановить всё**: Immediately stops any active scraping processes.
* **Настройки скрипта... / Script Settings...**: Opens the configuration GUI.
Scraping progress and logs are output to the browser's developer console (F12).
## Dependencies
* **GM_config.js**: This library is loaded via the `@require` directive from `openuserjs.org` to provide the settings GUI.
* **n8n Webhook**: You need an active n8n instance with a webhook workflow ready to receive JSON data via POST requests.
## Troubleshooting
* **Script not running**: Ensure Tampermonkey/Violentmonkey is enabled and the script is active for `web.telegram.org`. Check the browser console for errors.
* **Settings GUI not appearing**: Check the console for errors related to `GM_config.js`. The `@require` URL might be temporarily unavailable, or there could be a conflict.
* **Data not reaching n8n**:
* Verify the "N8N Webhook URL" in the script settings is correct and accessible from your browser.
* Check your n8n workflow for errors and ensure it's active.
* Look for `GM_xmlhttpRequest` errors in the browser console.
## License
This project is licensed under the [MIT License](LICENSE).
