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@squarecloud/http-proxy

v1.2.0

Published

A Zero-Dependency Full-Featured HTTP and WebSocket Proxy for Node.js.

Downloads

75

Readme

@squarecloud/http-proxy

npm version npm downloads bundle

A Full-Featured HTTP and WebSocket Proxy for Node.js forked from http-party/node-http-proxy.

This fork adds the following features:

  • Dependencies updates & security fixes.
  • Websocket close before response fixed.
  • Memory leak fixed when client closes prematurely.
  • Add support for Lookup option. Remove old followRedirects option.
  • Support for modifying content of websocket streams.
  • Respect NODE_TLS_REJECT_UNAUTHORIZED environment variable.
  • Fix for issues when using an Agent, fix the type error when req.socket is undefined.
  • Fixed bug when http:/ isn't replaced with: http://
  • Fixed X-Forwarded-* not capitalized.

Inspired by the project Ambassify project.

Usage

Install package:

# npm
npm install @squarecloud/http-proxy

# yarn
yarn add @squarecloud/http-proxy

# pnpm
pnpm install @squarecloud/http-proxy

# bun
bun install @squarecloud/http-proxy

Create proxy:

const { createServer } = require("node:http");
const { createProxyServer } = require("@squarecloud/http-proxy");

const proxy = createProxyServer({});
const target = "http://example.com"; /* address of your proxy server here */

const server = createServer(async (req, res) => {
  try {
    await proxy.web(req, res, { target });
  } catch (error) {
    console.error(error);
    res.statusCode = 500;
    res.end("Proxy error: " + error.toString());
  }
});

server.listen(80, () => console.log("Proxy is listening on http://localhost"));

Example with WebSocket:

const { createServer } = require("node:http");
const { createProxyServer } = require("@squarecloud/http-proxy");

const proxy = createProxyServer({ ws: true });
const target = "ws://example.com"; /* address of your proxy server here */

const server = createServer(async (req, res) => {
  /* ... */
});

server.on("upgrade", async (req, socket, head) => {
  try {
    // use proxy.ws() instead of proxy.web() for proxying WebSocket requests.
    await proxy.ws(req, socket, head, { target });
  } catch (error) {
    console.error(error);
    socket.end();
  }
});

server.listen(80, () => console.log("Proxy is listening on http://localhost"));

Some options:

// Options most used in the proxy configuration:
// * ws     : <true/false, if you want to proxy websockets>
// * xfwd   : <true/false, adds X-Forward headers>
// * secure : <true/false, verify SSL certificate>
// * prependPath: <true/false, Default: true - specify whether you want to prepend the target"s path to the proxy path>
// * ignorePath: <true/false, Default: false - specify whether you want to ignore the proxy path of the incoming request>
// * proxyTimeoutCustomError: true/false, default: false - specify whether you want to throw a custom `ETIMEDOUT` error when the `proxyTimeout` is reached. If false then the default `ECONNRESET` error will be thrown.

Checkout http-party/node-http-proxy for more options and examples.

Development

  • Clone this repository
  • Install latest LTS version of Node.js
  • Install dependencies using npm install
  • Run interactive tests using npm run test

License

Published under MIT License.

Made with 💙 & Supported by Square Cloud | A hosting company.