uncors

A simple dev HTTP/HTTPS proxy for replacing CORS headers.

Core features

• CORS header replacement
• Wildcard host mapping
• HTTPS support
• Response mocking
• HTTP/HTTPS proxy support
• Static file serving
• Response caching

Other new features you can find in roadmap.

Full documentation you can found on wiki pages.

Quick Install

You can install the application in one of the following ways:

Homebrew (macOS | Linux)

brew install evg4b/tap/uncors

Scoop (Windows)

scoop bucket add evg4b https://github.com/evg4b/scoop-bucket.git
scoop install evg4b/uncors

NPM (Cross-platform)

npm install uncors --save-dev
# OR
yarn add uncors --dev
# OR
pnpm add -D uncors

Docker (Cross-platform)

docker run -p 80:3000 evg4b/uncors --from 'http://local.github.com' --to 'https://github.com'

Stew (Cross-platform)

stew install evg4b/uncors

Or find more installation methods in uncors wiki.

Usage

The following command can be used to start the UNCORS proxy server:

uncors --from 'http://localhost' --to 'https://github.com' --http-port 8080

More information about configuration and usage you can find on UNCORS wiki.

⚠️ Caution

Please note that removing or replacing CORS headers can pose potential security vulnerabilities. This tool is specifically designed to streamline the development and testing workflow and should not be used in a production environment or as a remote proxy server. It has not undergone a thorough security review, so caution should be exercised when utilizing it.

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