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var http = require('http'),
httpProxy = require('http-proxy');
const XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest
const rabbitmq_url = process.env.RABBITMQ_URL || 'http://0.0.0.0:15672/';
const client_id = process.env.CLIENT_ID;
const client_secret = process.env.CLIENT_SECRET;
const uaa_url = process.env.UAA_URL;
const port = process.env.PORT;
//
// Create a proxy server with custom application logic
//
var proxy = httpProxy.createProxyServer({});
proxy.on('proxyReq', function(proxyReq, req, res, options) {
console.log("proxing " + req.url)
if (req.url.endsWith("bootstrap.js")) {
proxyReq.setHeader('Authorization', 'Bearer ' + access_token(client_id, client_secret));
}
proxyReq.setHeader('origin', req.url)
proxyReq.setHeader('Access-Control-Allow-Origin', '*');
proxyReq.setHeader('Access-Control-Allow-Methods', 'POST, GET, OPTIONS');
});
var server = http.createServer(function(req, res) {
// You can define here your custom logic to handle the request
// and then proxy the request.
proxy.web(req, res, {
target: rabbitmq_url
});
});
console.log("fakeproxy listening on port " + port + ". RABBITMQ_URL=" + rabbitmq_url)
server.listen(port);
function default_if_blank(value, defaultValue) {
if (typeof value === "undefined" || value === null || value == "") {
return defaultValue;
} else {
return value;
}
}
function access_token(id, secret) {
const req = new XMLHttpRequest();
const url = uaa_url + '/oauth/token';
const params = 'client_id=' + id +
'&client_secret=' + secret +
'&grant_type=client_credentials' +
'&token_format=jwt' +
'&response_type=token';
console.debug("Sending " + url + " with params "+ params);
req.open('POST', url, false);
req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
req.setRequestHeader('Accept', 'application/json');
req.send(params);
console.log("Ret " + req.status)
if (req.status == 200) {
const token = JSON.parse(req.responseText).access_token;
console.log("Token => " + token)
return token;
} else {
throw new Error(req.status + " : " + req.responseText);
}
}
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