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August 11, 2020 07:37
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Advanced Node and Express - Registration of New Users
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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, | |
| showRegistration: 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.route('/register').post((req, res, next) => { | |
| myDataBase.findOne({ username: req.body.username }, function(err, user) { | |
| if (err) { | |
| next(err); | |
| } else if (user) { | |
| res.redirect('/'); | |
| } else { | |
| myDataBase.insertOne({ | |
| username: req.body.username, | |
| password: req.body.password | |
| }, | |
| (err, doc) => { | |
| if (err) { | |
| res.redirect('/'); | |
| } else { | |
| next(null, user); | |
| } | |
| } | |
| ) | |
| } | |
| }) | |
| }, | |
| passport.authenticate('local', { failureRedirect: '/' }), | |
| (req, res, next) => { | |
| res.redirect('/profile'); | |
| } | |
| ); | |
| 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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