I am implementing a basic login system with passport but I keep receiving this error when I login with the correct credentials:
Express 500 TypeError: Cannot read property 'passport' of undefined
However works fine when I login with wrong credentials by redirecting back to login page. Help?
app.js
//dependencies
var express = require('express');
var routes = require('./routes');
var http = require('http');
var path = require('path');
var mongoose = require('mongoose');
var passport = require('./auth');
var app = express();
server = require('http').createServer(app),
io = require('socket.io').listen(server);
// all environments
app.use(passport.initialize());
app.use(passport.session());
....
app.use(app.router);
app.use(require('less-middleware')({src: path.join(__dirname, 'public')}));
app.use(express.static(path.join(__dirname, 'public')));
......
//routes
app.get('/login', routes.login);
app.post('/login', passport.authenticate('local', {
failureRedirect: '/login',
successRedirect: '/user'
}));
app.get('/user', routes.user);
index.js
exports.login = function(req, res) {
res.render('login', {title: 'Log in'});
};
exports.user = function(req, res) {
if (req.session.passport.user === undefined) {
res.redirect('/login');
} else {
res.render('user', {title: 'Welcome!',
user: req.user
})
}
};
auth.js
var passport = require('passport'),
LocalStrategy = require('passport-local').Strategy;
passport.use(new LocalStrategy(
function(username, password, done) {
if (username === 'admin' && password === 'lynda') {
return done(null, {username: 'admin'});
}
return done(null, false);
}
));
passport.serializeUser(function(user, done) {
done(null, user.username);
});
passport.deserializeUser(function(username, done) {
done(null, {username: username});
});
module.exports = passport;
You're missing the session declaration, so req.session is undefined
app.use( express.cookieParser() );
app.use(express.session({ secret: 'my secret', cookie: { maxAge : 1200000 } }));
also, you seem to be mixing up the requires:
var passport = require('./auth');
I would change this to:
var auth = require('./auth');
to avoid confusion with the passport library
You don't have a session, so you can't do if (req.session.passport.user === undefined) ...
You probably didn't set the session after login
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