Full-Stack Web Development with Vue.js and Node

Building OAuth Strategies with passport.js Chapter 7

The preceding code will add a LOGIN WITH FACEBOOK button:

Adding configurations for Facebook app

Let's configure the Facebook Strategy just as we did for the local strategy. We will create a
separate file to handle Facebook login so that the code is simpler. Let's create a file called

facebook.js inside the controllers folder and add the following contents to it:

const User = require('../models/User.js');

const passport = require('passport');

const config = require('./../config/Config');

const Strategy = require('passport-facebook').Strategy;

module.exports.controller = (app) => {

// facebook strategy

passport.use(new Strategy({

clientID: config.FACEBOOK_APP_ID,

clientSecret: config.FACEBOOK_APP_SECRET,

callbackURL: '/login/facebook/return',

profileFields: ['id', 'displayName', 'email']

},

(accessToken, refreshToken, profile, cb) => {