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Passport + Node.js / Automatic login after adding user
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| /** | |
| * Module dependencies. | |
| */ | |
| var express = require('express') | |
| , passport = require('passport') | |
| , http = require('http') | |
| , path = require('path') | |
| , LocalStrategy = require('passport-local').Strategy; | |
| var app = express(); | |
| // all environments | |
| app.set('port', process.env.PORT || 3000); | |
| app.set('views', __dirname + '/views'); | |
| app.set('view engine', 'ejs'); | |
| app.use(express.favicon()); | |
| app.use(express.logger('dev')); | |
| app.use(express.bodyParser()); | |
| 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(app.router); | |
| // development only | |
| if ('development' == app.get('env')) { | |
| app.use(express.errorHandler()); | |
| } | |
| var AuthProvider = function() { | |
| var users = [] | |
| this.findUserById = function(role, id, next) { | |
| if (!users[id]) next('User not found') | |
| else next(null, users[id]) | |
| } | |
| this.getUserByEmail = function(role, email, next) { | |
| var found | |
| for (var v in users) { | |
| if (!users[v] || users[v].email != email) continue | |
| found = users[v] | |
| found._id = v | |
| return next(null, found) | |
| } | |
| next('User not found') | |
| } | |
| this.saveUser = function(user, next) { | |
| var user = { | |
| email: user.username, | |
| password: user.password | |
| } | |
| authProvider.getUserByEmail('users', user.email, function(error, exists){ | |
| if (exists) { | |
| console.log('User alredy exists') | |
| return next('User alredy exists'); | |
| } else { | |
| users.push(user) | |
| return next(null, user) | |
| } | |
| }) | |
| } | |
| } | |
| var authProvider = new AuthProvider() | |
| passport.serializeUser(function(user, done) { | |
| done(null, user._id); | |
| }); | |
| passport.deserializeUser(function(id, done) { | |
| authProvider.findUserById('users', id, function (err, user) { | |
| done(err, user); | |
| }); | |
| }); | |
| passport.use(new LocalStrategy( function(email, password, done) { | |
| authProvider.getUserByEmail('users', email, function(error, user){ | |
| if(error) { return done(error); } | |
| if (!user) { return done(null, false, { message: 'Unknown user ' + email });} | |
| if (user.password != password) { return done(null, false);} | |
| return done(null, user); | |
| }); | |
| } | |
| )); | |
| app.post('/login', | |
| passport.authenticate('local', { failureRedirect: '/'}), | |
| function(req, res) { res.redirect('/');}); | |
| app.post('/sign', function(req, res){ | |
| authProvider.saveUser(req.body, function(error, user){ | |
| if(error){ | |
| res.redirect('/'); | |
| } else { | |
| passport.authenticate('local')(req, res, function () { | |
| res.redirect('/'); | |
| }) | |
| } | |
| }); | |
| }); | |
| app.get('/', function(req, res) { res.render('index', {user: req.user});}); | |
| 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')); | |
| }); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Test</title> | |
| </head> | |
| <body> | |
| <% if (user) { %> | |
| Welcome <%= user.email %><br> | |
| <a href="/logout" title="">Log out</a> | |
| <% } else { %> | |
| <form action="/login" method="post" accept-charset="utf-8"> | |
| <input type="text" name="username" value="" placeholder="Email"> | |
| <input type="password" name="password" value="" placeholder="Password"> | |
| <input type="submit" name="login" value="LOGIN"> | |
| </form> | |
| <form action="/sign" method="post" accept-charset="utf-8"> | |
| <input type="text" name="username" value="" placeholder="Email"> | |
| <input type="password" name="password" value="" placeholder="Password"> | |
| <input type="submit" name="login" value="Register"> | |
| </form> | |
| <% } %> | |
| </body> | |
| </html> |
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