Node.js http-proxy allow HTTPS

Question

I have an application that creates a proxy server and returns the url requests when a page is accessed, but it works only for http web pages and when I'm trying to access a https address then I get Secure Connection Failed in the browser.

To solve this, I generated a Self-Signed Certificate for localhost:8080 from here, but still can't access secured web pages...

This is my code:

var httpProxy = require('http-proxy');
var fs = require('fs');

var proxy = httpProxy.createServer({
  ssl: {
    key:  fs.readFileSync('ssl_key_8080.pem', 'utf8'),
    cert:  fs.readFileSync('ssl_cert_8080.pem', 'utf8')
  },
  target:'https://localhost:8080',
  secure: true
});

proxy.listen(443);

var http = require('http');

http.createServer(function (req, res) {
  var options = {
    target: 'http://' + req.headers.host,
  };
  req.host = req.headers.host;
  proxy.web(req, res, options, function(err){
    console.log('err', err)
  });
}).listen(8080);

proxy.on('proxyReq', function (proxyReq, req, res) {
  console.log('request url', JSON.stringify(req.url, true, 2));
});

Is there something that I'm not doing right? I followed the instructions from http-proxy docs

Peter Grainger · Accepted Answer · 2017-05-12 09:37:57Z

2

The issue is you have a self signed certificate and you are using the secure flag in the proxy settings object, from the docs

You can activate the validation of a secure SSL certificate to the target connection (avoid self signed certs), just set secure: true in the options.

    var proxy = httpProxy.createServer({
  ssl: {
    key:  fs.readFileSync('ssl_key_8080.pem', 'utf8'),
    cert:  fs.readFileSync('ssl_cert_8080.pem', 'utf8')
  },
  target:'https://localhost:8080',
  secure: true
});

If you remove the secure flag, you might get an error in your browser that the route isn't safe.

In the context of your code.

var httpProxy = require('http-proxy');
var fs = require('fs');

var proxy = httpProxy.createServer({
  ssl: {
    key:  fs.readFileSync('ssl_key_8080.pem', 'utf8'),
    cert:  fs.readFileSync('ssl_cert_8080.pem', 'utf8')
  },
  target:'https://localhost:8080'
});

proxy.listen(443);

var http = require('http');

http.createServer(function (req, res) {
  var options = {
    target: 'http://' + req.headers.host,
  };
  req.host = req.headers.host;
  proxy.web(req, res, options, function(err){
    console.log('err', err)
  });
}).listen(8080);

proxy.on('proxyReq', function (proxyReq, req, res) {
  console.log('request url', JSON.stringify(req.url, true, 2));
});

edited May 12, 2017 at 9:37

answered May 12, 2017 at 8:20

Peter Grainger

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7 Comments

Valip Over a year ago

Still not working, now I get The connection was reset in the browser

Peter Grainger Over a year ago

Are you running node as root? This explains why it is needed to listen on port 443 stackoverflow.com/questions/26579028/…

Peter Grainger Over a year ago

You can either run as root or you can change line 13 to listen on a different port

Valip Over a year ago

Yes, I'm running node as root with sudo node

Peter Grainger Over a year ago

Have you got the logs from the node process. I've put it up on Glitch if you want to play around on there? glitch.com/edit/#!/join/8e40de60-f8e9-4400-837d-8d87d4151cbd

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