Dev Token Injector Chrome Extension

Overview

The Dev Token Injector is a Chrome extension that automatically adds the query parameter dev_token=TRUE to various types of web requests. This is particularly useful for development and testing environments where you need to consistently append this parameter to all requests.

Features

• Automatically injects dev_token=TRUE to URLs
• Works with multiple resource types:
  • Web Pages (main frames)
  • JavaScript files
  • CSS files
  • iFrames
  • AJAX/XMLHttpRequests
• Simple, lightweight interface
• No configuration needed - works out of the box

Installation

From Source

1. Clone or download this repository
2. Open Chrome and navigate to chrome://extensions/
3. Enable "Developer mode" using the toggle in the top right corner
4. Click "Load unpacked"
5. Select the directory containing the extension files

Required Files

The extension consists of three files:

• manifest.json: Extension configuration
• background.js: Core functionality
• popup.html: User interface

How It Works

The extension uses Chrome's declarativeNetRequest API to intercept and modify web requests. When a request is made for any supported resource type, the extension automatically adds dev_token=TRUE to the URL's query parameters before the request is completed.

Supported Resource Types

• main_frame: Main page loads
• script: JavaScript files
• stylesheet: CSS files
• sub_frame: iFrames
• xmlhttprequest: AJAX requests

Usage

1. Install the extension
2. The extension will automatically start working - no additional configuration required
3. Click the extension icon in the Chrome toolbar to see its status
4. All supported requests will automatically have dev_token=TRUE added to their URLs

Example

Original URL:

https://example.com/script.js

Modified URL:

https://example.com/script.js?dev_token=TRUE

Technical Details

Permissions

The extension requires the following permissions:

• declarativeNetRequest: For modifying web requests
• storage: For potential future configuration storage
• <all_urls>: To work across all websites

Architecture

• Uses Manifest V3
• Implements modern Chrome extension best practices
• Uses the declarative network request API for better performance and security

Troubleshooting

Common Issues

1. Extension not working on certain sites

   • Check if the site is accessible
   • Verify the extension is enabled
   • Check Chrome's console for any errors

2. Parameter not being added

   • Ensure the resource type is supported
   • Check if the URL already has the parameter

Development

Building from Source

1. Create a new directory for the extension
2. Copy the three required files into the directory
3. Load the extension in Chrome using Developer mode

Making Changes

1. Modify the files as needed
2. Return to chrome://extensions/
3. Click the refresh icon on the extension card
4. Test your changes

Contributing

Feel free to submit issues and enhancement requests!

License

This project is licensed under the MIT License - see the LICENSE file for details