LearnWeb Multi Downloader

IMPORTANT: THIS EXTENSION DOWNLOADS INTO THE STANDARD DOWNLOAD FOLDER

A Chrome extension for efficiently downloading course materials from LearnWeb (University of Münster) with organized folder structure and bulk download capabilities.

Project Structure

Project Structure

InjectDownloader/
├── manifest.json
├── LICENSE
├── src/
├── assets/
├── docs/

src/

├── background/          
│   └── background.js
├── content/              
│   ├── content.js
│   └── content.css
├── popup/     
│   ├── popup.html
│   ├── popup.js
│   └── popup.css
├── options/         
│   ├── options.html
│   ├── options.js
│   └── options.css
└── utils/                   

assets/

└── icons/
├── icon16.png
├── icon48.png
└── icon128.png

docs/

└── README.md

Installation

1. Clone this repository or download the ZIP file.

   git clone https://github.com/jkrumboe/InjectDownloader.git

2. Open your browser and navigate to chrome://extensions/ or your browser's extensions location.

3. Enable "Developer mode".

4. Click "Load unpacked" and select the directory where you cloned or extracted the repository.

5. Click on the extension icon in the browser's toolbar and pin this extension for better access to it.

6. Navigate to a LearnWeb course page.

Features

• File Detection - Automatically finds all downloadable resources in a LearnWeb course.
• Bulk Download - Download multiple selected files or entire sections with fewer clicks.
• Organized by Sections: Files are grouped by their respective sections for easy navigation.
• Folder Support - Handles nested folder structures within course sections
• Download History - Tracks your recent downloads for quick reference (Last 5 downloads)
• Smart Filename Handling - Automatically removes German "Datei" suffixes and sanitizes special characters
• Configurable Settings - Customize folder structure, notifications, and download behavior

Security Features

• Input validation and sanitization for all user data
• Secure file path handling to prevent directory traversal
• Proper error handling for all Chrome API calls
• Minimal required permissions

Development

The extension follows a clean modular structure:

• Background Service Worker (src/background/): Handles downloads, file processing, and Chrome API interactions
• Content Scripts (src/content/): Injected into LearnWeb pages to detect files and provide UI
• Popup Interface (src/popup/): Extension popup for quick access and download history
• Options Page (src/options/): Settings and configuration interface
• Assets (assets/): Icons and static resources

Contributing

Contributions are welcome! Please open an issue or submit a pull request for any improvements or bug fixes.

License

This project is licensed under the MIT License. See the LICENSE file for details.