OAuth 2 source code

hello.jade

h1 Hello!
a(href="/login") Log in with GitHub

index.js

'use strict'

let express = require('express')
let passport = require('passport')
let Strategy = require('passport-github').Strategy
let dotenv = require('dotenv').config()

passport.use(new Strategy({
    clientID: process.env.CLIENT_ID,
    clientSecret: process.env.CLIENT_SECRET,
    callbackURL: 'http://localhost:1337/callback'
  },
  function(accessToken, refreshToken, profile, cb) {
    return cb(null, profile)
  }))

passport.serializeUser(function(user, cb) {
  cb(null, user)
})

passport.deserializeUser(function(obj, cb) {
  cb(null, obj)
})

let app = express()

app.use(require('cookie-parser')())
app.use(require('body-parser').urlencoded({ extended: true }))
app.use(require('express-session')({ secret: 'keyboard cat', resave: true, saveUninitialized: true }))

app.use(passport.initialize())
app.use(passport.session())

app.set('view engine', 'jade')

app.get('/',
  function(req, res){
    res.render('hello')
  })

app.get('/login',
  passport.authenticate('github'))

app.get('/callback', 
  passport.authenticate('github', { failureRedirect: '/login' }),
  function(req, res) {
    res.redirect('/profile')
  })

app.get('/profile',
  require('connect-ensure-login').ensureLoggedIn(),
  function(req, res){
    console.log(req.user)
    res.render('user', { user: req.user })
  })

app.get('/logout', function(req, res){
  req.logout()
  res.redirect('/')
})

app.listen(1337)

Package.json

{
  "name": "oauth-webinar-source",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "body-parser": "^1.15.0",
    "connect-ensure-login": "^0.1.1",
    "cookie-parser": "^1.4.1",
    "dotenv": "^2.0.0",
    "express": "^4.13.4",
    "express-session": "^1.13.0",
    "jade": "^1.11.0",
    "passport": "^0.3.2",
    "passport-github": "^1.1.0"
  }
}

user.jade

p Hello, #{user.username} (a.k.a #{user.displayName}!)
a(href="/logout") Logout