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app.js
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app.js
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var express = require('express');
var flash = require('express-flash');
var expressValidator = require('express-validator');
var http = require('http');
var path = require('path');
var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
var mongoose = require('mongoose')
var bcrypt = require('bcrypt');
var userSchema = mongoose.Schema({
username: { type: String, required: true, unique: true },
password: { type: String, required: true}
});
userSchema.pre('save', function(next) {
var user = this;
if (!user.isModified('password')) return next();
bcrypt.genSalt(10, function(err, salt) {
if (err) return next(err);
bcrypt.hash(user.password, salt, function(err, hash) {
if (err) return next(err);
user.password = hash;
next();
});
});
});
userSchema.methods.comparePassword = function(candidatePassword, cb) {
bcrypt.compare(candidatePassword, this.password, function(err, isMatch) {
if (err) return cb(err);
cb(null, isMatch);
});
};
var User = mongoose.model('User', userSchema);
passport.use(new LocalStrategy(
function(username, password, done) {
User.findOne({ username: username }, function(err, user) {
if (!user) return done(null, false, { message: 'Incorrect username.' });
user.comparePassword(password, function(err, isMatch) {
if (isMatch) {
return done(null, user);
} else {
return done(null, false, { message: 'Incorrect password '})
}
});
});
}
));
passport.serializeUser(function(user, done) {
done(null, user.id);
});
passport.deserializeUser(function(id, done) {
User.findById(id, function(err, user) {
done(err, user);
});
});
mongoose.connect('localhost');
var app = express();
app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.json());
app.use(express.urlencoded());
app.use(expressValidator());
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(function(req, res, next) {
res.locals.user = req.user;
next();
});
app.use(flash());
app.use(app.router);
app.use(express.static(path.join(__dirname, 'public')));
if ('development' == app.get('env')) {
app.use(express.errorHandler());
}
app.get('/', function(req, res) {
res.render('index', { title: 'Express' });
});
app.get('/login', function(req, res) {
res.render('login');
});
app.post('/login', function(req, res, next) {
req.assert('username', 'Username cannot be empty').notEmpty();
req.assert('password', 'Password cannot be empty').notEmpty();
var errors = req.validationErrors();
if (errors) {
req.flash('errors', errors);
return res.redirect('/login');
}
passport.authenticate('local', function(err, user, info) {
if (err) return next(err);
if (!user) {
req.flash('errors', { msg: info.message });
return res.redirect('/login');
}
req.logIn(user, function(err) {
if (err) return next(err);
return res.redirect('/');
});
})(req, res, next);
});
app.get('/signup', function(req, res) {
res.render('signup');
});
app.post('/signup', function(req, res) {
req.assert('username', 'Username cannot be empty').notEmpty();
req.assert('password', 'Password cannot be empty').notEmpty();
req.assert('confirm', 'Passwords do not match').equals(req.body.password);
var errors = req.validationErrors();
if (errors) {
req.flash('errors', errors);
return res.redirect('/signup');
}
var user = new User({
username: req.body.username,
password: req.body.password
});
user.save(function(err) {
req.logIn(user, function(err) {
res.redirect('/');
});
});
});
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'));
});