HI
i had tried most of the moethods on this forum and stackoverflow, still couldn’t pass the challenge.
- The Login won’t work
- The Registering won’t work.
i already add the ENABLE_DELAYS and change index.pug and profile.pug title to Home Profile and Profile Home.
when i register an acc, i got “TypeError: db.collection is not a function
at app.route.post (/app/server.js:106:10)”
*(which is mongdo3.0 error, i couldn’t solve it too.
Please help. Thanks in advance
my code:
'use strict';
const express = require('express');
const bodyParser = require('body-parser');
const fccTesting = require('./freeCodeCamp/fcctesting.js');
const session = require('express-session');
const passport = require('passport');
const ObjectID = require('mongodb').ObjectID;
const mongo = require('mongodb').MongoClient;
const LocalStrategy = require('passport-local');
const app = express();
fccTesting(app); //For FCC testing purposes
app.use('/public', express.static(process.cwd() + '/public'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.set('view engine', 'pug')
app.use(session({
secret: process.env.SESSION_SECRET,
resave: true,
saveUninitialized: true,
}));
app.use(passport.initialize());
app.use(passport.session());
if (process.env.ENABLE_DELAYS) app.use((req, res, next) => {
switch (req.method) {
case 'GET':
switch (req.url) {
case '/logout': return setTimeout(() => next(), 500);
case '/profile': return setTimeout(() => next(), 700);
default: next();
}
break;
case 'POST':
switch (req.url) {
case '/login': return setTimeout(() => next(), 900);
default: next();
}
break;
default: next();
}
});
mongo.connect(process.env.DATABASE, { useNewUrlParser: true }, (err, db) => {
if(err) {
console.log('Database error: ' + err);
} else {
console.log('Successful database connection');
passport.serializeUser((user, done) => {
done(null, user._id);
});
passport.deserializeUser( (id, done) => {
db.collection('users').findOne(
{_id: new ObjectID(id)},
(err, doc) => {
done(null, doc);
}
);
});
//passport authenticate
passport.use(new LocalStrategy(
function(username, password, done) {
db.collection('users').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);
});
}
));
app.route('/')
.get((req, res) => {
res.render(process.cwd() + '/views/pug/index.pug', {title: 'Home Page', message: 'Please login', showLogin: true, showRegistration: true});
});
//login
app.route('/login')
.post(passport.authenticate('local', { failureRedirect: '/' }),(req,res) => {
res.redirect('/profile');
});
function ensureAuthenticated(req, res, next) {
if (req.isAuthenticated()) {
return next();
}
console.log('Successfully redirected');
res.redirect('/')
};
//authenticated
app.route('/profile')
.get(ensureAuthenticated, (req,res) => {
res.render(process.cwd() + '/views/pug/profile.pug', {title: 'Profile Page', username:"freeCodeCampTester"});
});
app.route('/register')
.post((req, res, next) => {
db.collection('users').findOne({ username: req.body.username }, function (err, user) {
if(err) {
next(err);
} else if (user) {
res.redirect('/');
} else {
db.collection('users').insertOne(
{username: req.body.username,
password: req.body.password},
(err, user) => {
if(err) {
res.redirect('/');
} else {
next(null, user);
}
}
)
}
})},
passport.authenticate('local', { failureRedirect: '/' }),
(req, res, next) => {
res.redirect('/profile');
}
);
//logout
app.route('/logout')
.get((req, res) => {
req.logout();
res.redirect('/');
});
//404notfound
app.use((req, res, next) => {
res.status(404)
.type('text')
.send('Not Found');
});
app.listen(process.env.PORT || 3000, () => {
console.log("Listening on port " + process.env.PORT);
});
}});