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http-proxy should not modify the protocol in redirect request for external sites. #359

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http-proxy should not modify the protocol in redirect request for external sites. #359

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17 changes: 11 additions & 6 deletions lib/node-http-proxy/http-proxy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
var events = require('events'),
http = require('http'),
util = require('util'),
url = require('url'),
httpProxy = require('../node-http-proxy');

//
Expand Down Expand Up @@ -228,7 +229,7 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
if (this.changeOrigin) {
outgoing.headers.host = this.target.host + ':' + this.target.port;
}

//
// Open new HTTP request to internal resource with will act
// as a reverse proxy pass
Expand All @@ -248,11 +249,15 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
}

if ((response.statusCode === 301) || (response.statusCode === 302)) {
if (self.source.https && !self.target.https) {
response.headers.location = response.headers.location.replace(/^http\:/, 'https:');
}
if (self.target.https && !self.source.https) {
response.headers.location = response.headers.location.replace(/^https\:/, 'http:');
// Only change protocol if url under target host
var parsedLocation = url.parse(response.headers.location);
if (parsedLocation.host === req.headers.host) {
if (self.source.https && !self.target.https) {
response.headers.location = response.headers.location.replace(/^http\:/, 'https:');
}
if (self.target.https && !self.source.https) {
response.headers.location = response.headers.location.replace(/^https\:/, 'http:');
}
}
}

Expand Down