Node http-proxy not working behind proxy

Question

I am using the http-proxy-middleware module, which is an express middleware. the middleware module relies on http-proxy. The node host is running behind a proxy. I want to forward certain routes to a different service (for test purposes let's assume httpbin.org). So I defined the proxy as follows.

var proxy = require('http-proxy-middleware');
var aeProxy = proxy({
    target: 'http://httpbin.org',
    changeOrigin: true,
    pathRewrite: {
        '^/api/ae':'/get'
    }
});
app.use('/api/ae', proxy);

I have also set the respective env variables (from debugging console):

process.env.HTTP_PROXY
> "http://proxy:8080"
process.env.HTTPS_PROXY
> "http://proxy:8080"

Unfortunately I only get timeouts. When running the node script in an environment without a proxy it works as expected.

Is my configuration wrong?

You have to set the ENV variables http_proxy = 'proxy.example.com:3129'; — mohlendo
– mohlendo, Commented Jan 24, 2017 at 16:19
sorry, forgot toadd that I have set those env variables. Making a request (using request module) to the same URL even works correctly. — newBee
– newBee, Commented Jan 24, 2017 at 16:21
Maybe this helps: github.com/chimurai/http-proxy-middleware/issues/22 — mohlendo
– mohlendo, Commented Jan 24, 2017 at 19:06

rjdkolb · Accepted Answer · 2018-08-10 11:58:47Z

5

Credit to chimurai for this on how to connect via a corporate proxy via the agent field.

var HttpsProxyAgent = require('https-proxy-agent');
var proxy = require("http-proxy-middleware");

// corporate proxy to connect to via environment variables
var proxyServer = process.env.HTTPS_PROXY ||
                  process.env.HTTP_PROXY;

var options = {
    target: 'http://localhost:3000',//Proxy url
    agent: new HttpsProxyAgent(proxyServer)//The actual corporate proxy sever 
};

var apiProxy = proxy('/api', options);

edited Aug 10, 2018 at 11:58

answered Aug 10, 2018 at 10:41

rjdkolb

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Comments

Mahdi Khashan · Accepted Answer · 2023-02-21 17:20:02Z

If you are behind a V2Ray protocol, you can just set the listening address and port of your connection like bellow and you'r good to go.

var HttpsProxyAgent = require('https-proxy-agent');
const { createProxyMiddleware, fixRequestBody } = require('http-proxy-middleware');

module.exports = function(app) {
  app.use(
    '/api',
    createProxyMiddleware({
      target: process.env.REACT_APP_API_URL
      changeOrigin: true,
      secure: false,
      logLevel: "debug",
      onProxyReq: fixRequestBody,
      agent: new HttpsProxyAgent('http://127.0.0.1:1087'),
      headers: {
        'X-Auth-Token': process.env.REACT_APP_API_TOKEN
      },
      pathRewrite: {
        '^/api': ''
      }
    })
  );
};

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