server.js

var express		=	require('express');
var session		=	require('express-session');
var bodyParser  	= 	require('body-parser');
var app			=	express();
var path = require('path');
var cors = require('cors');
app.use(cors());

// app.all('*', function(req, res, next){
//     //origin = req.get('Origin') || '*';
//     res.set('Access-Control-Allow-Origin', 'https://localahost:3000/admin');
//     res.set('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
//     res.set('Access-Control-Expose-Headers', 'Content-Length');
//     res.set('Access-Control-Allow-Credentials', 'true');
//     res.set('Access-Control-Allow-Headers', 'X-Requested-With, Content-Type'); // add the list of headers your site allows.
// if ('OPTIONS' == req.method) return res.send(200);
//     next();
// });


app.set('views', __dirname + '/views');
app.engine('html', require('ejs').renderFile);

app.use(express.static(path.join(__dirname, 'public')));
app.use(session({secret: 'ssshhhhh',saveUninitialized: true,resave: true}));
app.use(bodyParser.json());      
app.use(bodyParser.urlencoded({extended: true}));


var sess;

app.get('/',function(req,res){
	sess=req.session;
	if(sess.username)
	{
		res.redirect('/admin');
	}
	else{
	res.render('index.html');
	}
});

app.post('/login',function(req,res){
	sess=req.session;	
	sess.username=req.body.username;
	res.end('done');
});

app.get('/admin',function(req,res){
	sess=req.session;
	//if(sess.username)	
	// {
	// 	//res.sendFile(path.join(__dirname + '/sendFile.html'));
	// 	res.write('<h1>Hello '+sess.username+', Welcome to .How can I help you?<i class="fa fa-microphone" style="font-size:50px"></i></h1><br></br><h2>Drag and drop any file to start a new data flow.</h2><br>Did my Benefits data come through last night?</br><br> Whats ths status of my payroll feed to T&A?</br> <br>How many new hires were processed last week</br>');
	// 	res.end('<a href='+'/logout'+'>Logout</a>');
	// }
	// else
	// {
	// 	res.write('<h1>Please login first.</h1>');
	// 	res.end('<a href='+'/'+'>Login</a>');
	// }


	var filePath = "./public/sendFile.html"
	var resolvedPath = path.resolve(filePath);
	console.log(resolvedPath);
	return res.sendFile(resolvedPath);

});

app.get('/logout',function(req,res){
	
	req.session.destroy(function(err){
		if(err){
			console.log(err);
		}
		else
		{
			res.redirect('/');
		}
	});

});
app.listen(3000,function(){
	console.log("App Started on PORT 3000");
});