var express = require('express')

var session = require('express-session')

var grant = require('grant-express')

express()

.use(session({secret: 'grant', saveUninitialized: true, resave: true}))

.use(grant({

defaults: {

protocol: 'http',

host: 'localhost:3000'

},

facebook: {

key: '[APP_ID]',

secret: '[APP_SECRET]',

callback: '/facebook_callback'

},

twitter: {

key: '[CONSUMER_KEY]',

secret: '[CONSUMER_SECRET]',

callback: '/twitter_callback'

}

}))

.get('/facebook_callback', (req, res) => {

res.end(JSON.stringify(req.query, null, 2))

})

.get('/twitter_callback', (req, res) => {

res.end(JSON.stringify(req.query, null, 2))

})

.listen(3000, () => console.log(`Express server listening on port ${3000}`))