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https proxy server in node js


https proxy server in node js  using -'http,node.js,ssl,https,proxy'

I am developing a node.js proxy server application and I want it to support HTTP and HTTPS(SSL) protocols (as server).

I'm currently using node-http-proxy like this:

const httpProxy = require('http-proxy'),
      http = require('http');

var server = httpProxy.createServer(9000, 'localhost', function(req, res, proxy) {
    console.log(req.url);
    proxy.proxyRequest(req, res);
});

http.createServer(function(req, res) {
    res.end('hello!');
}).listen(9000);

server.listen(8000);


I setup my browser to use HTTP proxy on localhost:8000 and it works. I also want to catch HTTPS requests (ie. setup my browser to use localhost:8000 as HTTPS proxy as well and catch the requests in my application). Could you please help me how can I do that?

PS:

If I subscribe to upgrade event of httpProxy server object I can get the requests but I don't know how to forward the request and send response to client:

server.on('upgrade', function(req, socket, head) {
    console.log(req.url);
    // I don't know how to forward the request and send the response to client
});


Any helps would be appreciated.
    

asked Sep 18, 2015 by mannumits1
0 votes
15 views



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2 Answers

0 votes

I have created a http/https proxy with the aid of the http-proxy module: https://gist.github.com/nadeeshacabral/6863947

Code as of now:

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

var isHttps = true; // do you want a https proxy?

var options = {
  https: {
    key: fs.readFileSync('key.pem'),
    cert: fs.readFileSync('key-cert.pem')
  }
};

// this is the target server
var proxy = new httpProxy.HttpProxy({
  target: {
    host: '127.0.0.1',
    port: 8080
  }
});

if (isHttps)
  https.createServer(options.https, function(req, res) {
    console.log('Proxying https request at %s', new Date());
    proxy.proxyRequest(req, res);
  }).listen(443, function(err) {
    if (err)
      console.log('Error serving https proxy request: %s', req);

    console.log('Created https proxy. Forwarding requests from %s to %s:%s', '443', proxy.target.host, proxy.target.port);
  });
else
  http.createServer(options.https, function(req, res) {
    console.log('Proxying http request at %s', new Date());
    console.log(req);
    proxy.proxyRequest(req, res);
  }).listen(80, function(err) {
    if (err)
      console.log('Error serving http proxy request: %s', req);

    console.log('Created http proxy. Forwarding requests from %s to %s:%s', '80', proxy.target.host, proxy.target.port);
  });
answered Sep 18, 2015 by kinnari
0 votes

The node-http-proxy docs contain examples of this. Look for "Proxying to HTTPS from HTTPS" at https://github.com/nodejitsu/node-http-proxy The configuration process is slightly different in every browser. Some have the option to use your proxy settings for all protocols; some you need to configure the SSL proxy separately.

answered Sep 18, 2015 by maurya

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