Passport example

gistfile1.coffee

# Modules

http = require 'http'
express = require 'express'
connect =
  flash: require 'connect-flash'
  session: (require 'connect-mongo') express


# Passport

passport = require 'passport'
{Strategy} = require 'passport-twitter'

passport.serializeUser (user, done) ->
  done null, user

passport.deserializeUser (id, done) ->
  done null, id

passport.use new Strategy options, (token, secret_token, profile, done) ->
  process.nextTick ->
    done null,
      id: profile.id
      profile: profile
      token: token
      secret_token: secret_token


# Express

app = express()

app.configure ->
  app.set 'port', process.env.PORT || 3000
  app.set 'views', "#{__dirname}/views"
  app.set 'view engine', 'jade'
  app.use express.logger 'dev'
  app.use express.cookieParser()
  app.use express.bodyParser()
  app.use express.methodOverride()
  app.use express.session
    secret: 'keyboard cat'
    store: new connect.session(db: 'session_store')
  app.use connect.flash()
  app.use passport.initialize()
  app.use passport.session()
  app.use app.router
  app.use express.static "#{__dirname}/public"

ensure = (req, res, next) ->
  if req.isAuthenticated()
    return res.redirect '/signin'
  else
    return next()

app.get '/', (req, res) ->
  if req.isAuthenticated()
    res.render 'index', req: req
  else
    res.render 'authen', req: req

app.get 'mypage', ensure, (req, res) ->
  res.render 'userpage', req: req

app.get '/signin', passport.authorize 'twitter'

app.get '/callback', passport.authenticate 'twitter',
  successRedirect: '/'
  failureRedirect: '/signin'
  failureFlash: yes

app.get '/signout', (req, res) ->
  req.logout()
  res.redirect '/'


http.createServer(app).listen (app.get 'port'), ->
  console.info "coffee cupped on #{app.get 'port'}"