[Node.js] simpleRequest

simplerequest.js

var simpleRequest = function(url,callback,method,headers,data) {
	var parser = require('url');
	if(!(url = parser.parse(url))) {
		throw new UserException("simpleRequest: Invalid URL");
		return false;
	}
	var protocol = url.protocol.replace(/:$/, '');
	switch(protocol) {
		case 'http':
			if(!url.port)
				url.port=80;
			break;
		case 'https':
			if(!url.port)
				url.port=443;
			break;
		default:
			throw new UserException("simpleRequest: Unknown protocol \""+protocol+"\"");
			return false;
	}
	var http = require(protocol);
	var details = {host:url.hostname,port:url.port,path:url.path,method:method?method:"GET",auth:url.auth,headers:headers};
	if(headers) {
		details.headers = headers;
	}
	var req = http.request(details,function(res) {
		var data = '';
		var utf8 = true;
		var encoding = null
		var match= null;
		var iconv = require('iconv').Iconv;
		var encoder = null;
		if(res.headers['content-type'] && (match = res.headers['content-type'].match(/charset=(.*)$/))) {
			if(match[1].toLowerCase()!='utf-8') {
				utf8 = false;
				encoding = match[1];
				encoder = new iconv(encoding, 'UTF-8');
			}
		}
		res.on('data', function(chunk) {
			data += utf8?chunk:encoder.convert(chunk).toString('UTF-8');
		});
		if(callback)
			res.on('end', function() {
				callback({responseXML:"",responseText:data,responseHeaders:res.headers,status:res.statusCode});
			});
	});
	if(data) {
		req.write(data);
	}
	req.end();
};