HackMD/lib/web/auth/facebook/index.js

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'use strict'
const Router = require('express').Router
const passport = require('passport')
const FacebookStrategy = require('passport-facebook').Strategy
const config = require('../../../config')
const { setReturnToFromReferer, passportGeneralCallback } = require('../utils')
let facebookAuth = module.exports = Router()
passport.use(new FacebookStrategy({
clientID: config.facebook.clientID,
clientSecret: config.facebook.clientSecret,
callbackURL: config.serverURL + '/auth/facebook/callback'
}, passportGeneralCallback))
facebookAuth.get('/auth/facebook', function (req, res, next) {
setReturnToFromReferer(req)
passport.authenticate('facebook')(req, res, next)
})
// facebook auth callback
facebookAuth.get('/auth/facebook/callback',
passport.authenticate('facebook', {
successReturnToOrRedirect: config.serverURL + '/',
failureRedirect: config.serverURL + '/'
})
)