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// Copyright IBM Corp. 2012,2016. All Rights Reserved.
// Node module: foreman
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
var http = require('http');
var url = require('url');
var httpProxy = require('http-proxy');
function startForward(proxy_port, proxy_host) {
var proxy = httpProxy.createProxyServer({});
var httpServer = http.createServer(function(req, res) {
var _url = url.parse(req.url);
var dest = _url.hostname;
var port = _url.port || 80;
var host = '127.0.0.1';
var target;
if(proxy_host === '<ANY>' || proxy_host === dest) {
target = {
host: host,
port: port
};
req.url = _url.path;
} else {
target = {
host: dest,
port: port
};
}
proxy.web(req, res, {target: target});
});
proxy.on('upgrade', function (req, socket, head) {
proxy.ws(req, socket, head);
});
proxy.on('error', function(err, req, res){
console.error('Proxy Error: ', err);
res.writeHead(500);
res.write('Upstream Proxy Error');
res.end();
});
httpServer.listen(proxy_port);
}
startForward(process.env.PROXY_PORT, process.env.PROXY_HOST);