Fixes issue #23 odd behaviour with https and cloudflare

lib/proxy.js

@@ -26,7 +26,11 @@ module.exports = function proxy(req, body, host) {
   return new Promise(function (resolve /* , reject */) {
     var uri = url.parse(host);
     var mod = mods[uri.protocol] || http;
-    var preq = mod.request({
+
+    var h = req.headers;
+    h['host'] = uri.host;
+
+    var r = {
       hostname: uri.hostname,
       port: uri.port,
       method: req.method,
@@ -35,11 +39,15 @@ module.exports = function proxy(req, body, host) {
 
       servername: uri.hostname,
       rejectUnauthorized: false
-    }, function (pres) {
+    };
+
+    debug('r', r);
+
+    var preq = mod.request(r, function (pres) {
       resolve(pres);
     });
-
-    preq.setHeader('Host', uri.host);
+    
+    // preq.setHeader('Host', uri.host);
 
     debug('req', req.url, 'host', uri.host);
 

test/proxy.js

@@ -7,6 +7,7 @@ var subject = require('../lib/proxy');
 var createServer = require('./helpers/server');
 var assert = require('assert');
 var http = require('http');
+var https = require('https');
 
 describe('proxy', function () {
   var server, req;
@@ -39,6 +40,19 @@ describe('proxy', function () {
     });
   });
 
+  it('overrides the host if one is set on the incoming request', function (done) {
+    server.once('request', function (preq) {
+      assert.equal(preq.headers.host, server.addr + ':' + server.port);
+      done();
+    });
+
+    req.headers['host'] = 'A.N.OTHER'
+
+    subject(req, [], server.host).catch(function (err) {
+      done(err);
+    });
+  });
+
   it('proxies the request body', function (done) {
     var body = [
       new Buffer('a'),
@@ -75,4 +89,4 @@ describe('proxy', function () {
     });
   });
 
-});
+});