Demo PhantomJs Scraping + WebServer

phantomDemo.js

var endpoints = {
		'demo': 'https://www.google.it/search?hl=it&output=search'
	},
	system = require('system'),
	server = require('webserver').create(),
	evaluate = function (page, func) {
	    var args = [].slice.call(arguments, 2);
	    var fn = "function() { return (" + func.toString() + ").apply(this, " + JSON.stringify(args) + ");}";
	    return page.evaluate(fn);
	},
	searchStrategy = {
			'demo' :function(endpoint,opts,callback){
				var page = require('webpage').create();
					page.open(endpoint+'&q='+opts.name);
					page.onLoadFinished = function(){
						callback(evaluate(page,function(){
							return document.querySelector('.g a').innerText;
						}));
					};
			}
	},
	Query = {
		param : function(name,url){
			var results = new RegExp('[\\?&]' + name + '=([^&#]*)').exec(url);
			if (!results){ return 0; }
			return results[1] || 0;
			}, 
		url: function(s){
		  return s.match(/^(?:([A-Za-z]+):)?(\/{0,3})([0-9.\-A-Za-z]+)(?::(\d+))?(?:\/([^?#]*))?(?:\?([^#]*))?(?:#(.*))?$/);
		}
	};
	console.log('starting PhantomJS Scrape Server >-(*,*)-< ...');
	console.log('http://host:8081/demo')
		server.listen(8081, function (request, response) {
	    console.log('request started...')
	    response.headers = { "Content-Type": "application/json",
	    			 		 "Vary" : "Accept-Encoding"  };
	    response.statusCode = 404;
	    var parts = Query.url('http://example.com'+request.url)[5] ?
	    			Query.url('http://example.com'+request.url)[5].split('/') : [];
	    if( parts[0] == 'status'){ 
	    	response.statusCode = 200;
	    	response.write('OK');
	    	response.close();
	    	return true; 
	    }
	    if( parts[0] in endpoints ){
	    	try { response.statusCode = 200;
	    		var p = {
	    		 'name': Query.param('name',request.url),
			  	 'corpUser':'tmfastweb',
				 'corpPwd':'fastweb0121Ntv!'};
	    		
	    		for(var i in p){if(!p[i].length){throw 'error: missing search params'};}
	    		searchStrategy['demo'](endpoints['demo'],p,function(data){response.write(data);response.close();}) 
	    	 } catch(err) {
	    		  response.statusCode = 400;
	    		  response.write(JSON.stringify({error:'bad request / error processing the request',debug: err.toString()}));
	    		  response.close();
	    	 }
	    	return true;
	    } 
	    response.write(JSON.stringify({error:'Endpoint Not Found'}));
	    response.close();
	    return;
	});