http, https post request in node.js

post.js

//Install required modules, and include them
var https = require('https'), // https server
	http = require('http'), // http server
	querystring = require('querystring'),
	url = require('url'); // url parser

//URL to which post request will be sent
var callback_url = 'http://example.com';
var callback = url.parse(callback_url);

//Define user agent for your node
var api_agent = 'My node Server';
//Post data
var text = {};
text.success = true;
text.data = {};
text.data.site_name = 'example.com';

//Actul data sent, which needs to be decoded on serve side
var out_text = querystring.escape(JSON.stringify(output));

var secure = false;

if (callback.protocol === 'https:') {
	secure = true;
}
var options = {
	host: callback.hostname,
  port: callback.port,
	path: callback.path,
	method: 'POST',
	headers: {
		'Content-Type': 'application/x-www-form-urlencoded',
		'Content-Length': out_text.length,
		'User-Agent': api_agent,
		'Referer': callback.protocol + '//' + callback.hostname
	}
};
var protocol = http;
if (secure) {
	options.rejectUnauthorized = false;
	protocol = https;
}
var request = protocol.request(options, function (response) {

	response.setEncoding('utf8');

	response.on('data', function (cbresponse) {
		console.log(cbresponse);

	});
});

request.on('error', function (e) {
		console.log('problem with request: ');
		console.log(e);
});
//write data to server
request.write(out_text);
request.end();