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Advanced Node and Express - Logging a User Out
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'use strict'; | |
require('dotenv').config(); | |
const express = require('express'); | |
const myDB = require('./connection'); | |
const fccTesting = require('./freeCodeCamp/fcctesting.js'); | |
const session = require('express-session'); | |
const passport = require('passport'); | |
const ObjectID = require('mongodb').ObjectID; | |
const LocalStrategy = require('passport-local'); | |
const app = express(); | |
app.set('view engine', 'pug'); | |
fccTesting(app); // For fCC testing purposes | |
app.use('/public', express.static(process.cwd() + '/public')); | |
app.use(express.json()); | |
app.use(express.urlencoded({ extended: true })); | |
app.use(session({ | |
secret: process.env.SESSION_SECRET, | |
resave: true, | |
saveUninitialized: true, | |
cookie: { secure: false } | |
})); | |
app.use(passport.initialize()); | |
app.use(passport.session()); | |
myDB(async (client) => { | |
const myDataBase = await client.db('database').collection('users'); | |
// Be sure to change the title | |
app.route('/').get((req, res) => { | |
// Change the response to render the Pug template | |
res.render('pug', { | |
title: 'Connected to Database', | |
message: 'Please login', | |
showLogin: true | |
}); | |
}); | |
app.route('/login').post(passport.authenticate('local', { failureRedirect: '/' }), (req, res) => { | |
res.redirect('/profile'); | |
}); | |
app.route('/profile').get(ensureAuthenticated, (req, res) => { | |
res.render(process.cwd() + '/views/pug/profile', { username: req.user.username }); | |
}); | |
app.route('/logout').get((req, res) => { | |
req.logout(); | |
res.redirect('/'); | |
}); | |
app.use((req, res, next) => { | |
res.status(404).type('text').send('Not Found'); | |
}); | |
// Serialization and deserialization here... | |
passport.serializeUser((user, done) => { | |
done(null, user._id); | |
}); | |
passport.deserializeUser((id, done) => { | |
myDataBase.findOne({ _id: new ObjectID(id) }, (err, doc) => { | |
done(null, doc); | |
}); | |
}); | |
passport.use(new LocalStrategy( | |
function(username, password, done) { | |
myDataBase.findOne({ username: username }, function (err, user) { | |
console.log('User '+ username +' attempted to log in.'); | |
if (err) { return done(err); } | |
if (!user) { return done(null, false); } | |
if (password !== user.password) { return done(null, false); } | |
return done(null, user); | |
}); | |
} | |
)); | |
// Be sure to add this... | |
}).catch((e) => { | |
app.route('/').get((req, res) => { | |
res.render('pug', { title: e, message: 'Unable to login' }); | |
}); | |
}); | |
function ensureAuthenticated(req, res, next) { | |
if (req.isAuthenticated()) { | |
return next(); | |
} | |
res.redirect('/'); | |
} | |
// app.listen out here... | |
app.listen(process.env.PORT || 3000, () => { | |
console.log('Listening on port ' + process.env.PORT); | |
}); |
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