krasu/app.js

## app.js

/**
 * Module dependencies.
 */

var express = require('express')
  , passport = require('passport')
  , http = require('http')
  , path = require('path')
  , LocalStrategy = require('passport-local').Strategy;

var app = express();

// all environments
app.set('port', process.env.PORT || 3000);
app.set('views', __dirname + '/views');
app.set('view engine', 'ejs');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.bodyParser());
app.use(express.methodOverride());
app.use(express.cookieParser('your secret here'));
app.use(express.session());
app.use(passport.initialize());
app.use(passport.session());
app.use(app.router);

// development only
if ('development' == app.get('env')) {
  app.use(express.errorHandler());
}

var AuthProvider = function() {
	var users = []

	this.findUserById = function(role, id, next) {
		if (!users[id]) next('User not found')
		else next(null, users[id])
	}

	this.getUserByEmail = function(role, email, next) {
		var found
		for (var v in users) {
			if (!users[v] || users[v].email != email) continue

			found = users[v]
			found._id = v
			return next(null, found)
		}

		next('User not found')
	}

	this.saveUser = function(user, next) {
		var user = {
			email: user.username,
			password: user.password
		}

	    authProvider.getUserByEmail('users', user.email, function(error, exists){
    	    if (exists) {
    	    	console.log('User alredy exists')
    	    	return next('User alredy exists');
    	    } else {
    			users.push(user)
				return next(null, user)
    	    }
	    })
	}
}

var authProvider = new AuthProvider()

passport.serializeUser(function(user, done) {
    done(null, user._id);
});
passport.deserializeUser(function(id, done) {
    authProvider.findUserById('users', id, function (err, user) {
        done(err, user);
    });
});

passport.use(new LocalStrategy( function(email, password, done) {
    authProvider.getUserByEmail('users', email, function(error, user){
        if(error) { return done(error); }
        if (!user) { return done(null, false, { message: 'Unknown user ' + email });}
        if (user.password != password) { return done(null, false);}
        return done(null, user);
        });
    }
));

app.post('/login',
    passport.authenticate('local', { failureRedirect: '/'}),
    function(req, res) { res.redirect('/');});

app.post('/sign', function(req, res){
    authProvider.saveUser(req.body, function(error, user){
        if(error){
            res.redirect('/');
        } else {
          	passport.authenticate('local')(req, res, function () {
                res.redirect('/');
            })
        }
    });
});

app.get('/', function(req, res) { res.render('index', {user: req.user});});
app.get('/logout', function(req, res){
  req.logout();
  res.redirect('/');
});

http.createServer(app).listen(app.get('port'), function(){
  console.log('Express server listening on port ' + app.get('port'));
});

## index.ejs
<!DOCTYPE html>
<html>
  <head>
    <title>Test</title>
  </head>
  <body>
    <% if (user)  { %>
    	Welcome <%= user.email %><br>
    	<a href="/logout" title="">Log out</a>
    <% } else  { %>
	    <form action="/login" method="post" accept-charset="utf-8">
	    	<input type="text" name="username" value="" placeholder="Email">
	    	<input type="password" name="password" value="" placeholder="Password">
	    	<input type="submit" name="login" value="LOGIN">
    	</form>
	    <form action="/sign" method="post" accept-charset="utf-8">
	    	<input type="text" name="username" value="" placeholder="Email">
	    	<input type="password" name="password" value="" placeholder="Password">
	    	<input type="submit" name="login" value="Register">
    	</form>

    <% } %>
  </body>
</html>

	/**
	* Module dependencies.
	*/

	var express = require('express')
	, passport = require('passport')
	, http = require('http')
	, path = require('path')
	, LocalStrategy = require('passport-local').Strategy;

	var app = express();

	// all environments
	app.set('port', process.env.PORT \|\| 3000);
	app.set('views', __dirname + '/views');
	app.set('view engine', 'ejs');
	app.use(express.favicon());
	app.use(express.logger('dev'));
	app.use(express.bodyParser());
	app.use(express.methodOverride());
	app.use(express.cookieParser('your secret here'));
	app.use(express.session());
	app.use(passport.initialize());
	app.use(passport.session());
	app.use(app.router);

	// development only
	if ('development' == app.get('env')) {
	app.use(express.errorHandler());
	}

	var AuthProvider = function() {
	var users = []

	this.findUserById = function(role, id, next) {
	if (!users[id]) next('User not found')
	else next(null, users[id])
	}

	this.getUserByEmail = function(role, email, next) {
	var found
	for (var v in users) {
	if (!users[v] \|\| users[v].email != email) continue

	found = users[v]
	found._id = v
	return next(null, found)
	}

	next('User not found')
	}

	this.saveUser = function(user, next) {
	var user = {
	email: user.username,
	password: user.password
	}

	authProvider.getUserByEmail('users', user.email, function(error, exists){
	if (exists) {
	console.log('User alredy exists')
	return next('User alredy exists');
	} else {
	users.push(user)
	return next(null, user)
	}
	})
	}
	}

	var authProvider = new AuthProvider()

	passport.serializeUser(function(user, done) {
	done(null, user._id);
	});
	passport.deserializeUser(function(id, done) {
	authProvider.findUserById('users', id, function (err, user) {
	done(err, user);
	});
	});

	passport.use(new LocalStrategy( function(email, password, done) {
	authProvider.getUserByEmail('users', email, function(error, user){
	if(error) { return done(error); }
	if (!user) { return done(null, false, { message: 'Unknown user ' + email });}
	if (user.password != password) { return done(null, false);}
	return done(null, user);
	});
	}
	));

	app.post('/login',
	passport.authenticate('local', { failureRedirect: '/'}),
	function(req, res) { res.redirect('/');});

	app.post('/sign', function(req, res){
	authProvider.saveUser(req.body, function(error, user){
	if(error){
	res.redirect('/');
	} else {
	passport.authenticate('local')(req, res, function () {
	res.redirect('/');
	})
	}
	});
	});

	app.get('/', function(req, res) { res.render('index', {user: req.user});});
	app.get('/logout', function(req, res){
	req.logout();
	res.redirect('/');
	});

	http.createServer(app).listen(app.get('port'), function(){
	console.log('Express server listening on port ' + app.get('port'));
	});
	<!DOCTYPE html>
	<html>
	<head>
	<title>Test</title>
	</head>
	<body>
	<% if (user) { %>
	Welcome <%= user.email %><br>
	<a href="/logout" title="">Log out</a>
	<% } else { %>
	<form action="/login" method="post" accept-charset="utf-8">
	<input type="text" name="username" value="" placeholder="Email">
	<input type="password" name="password" value="" placeholder="Password">
	<input type="submit" name="login" value="LOGIN">
	</form>
	<form action="/sign" method="post" accept-charset="utf-8">
	<input type="text" name="username" value="" placeholder="Email">
	<input type="password" name="password" value="" placeholder="Password">
	<input type="submit" name="login" value="Register">
	</form>

	<% } %>
	</body>
	</html>