Advanced Node and Express - Implementation of Social Authentication II

auth.js

const passport = require('passport');
const LocalStrategy = require('passport-local');
const bcrypt = require('bcrypt');
const ObjectID = require('mongodb').ObjectID;
const GitHubStrategy = require('passport-github').Strategy;

module.exports = function (app, myDataBase) {
  passport.serializeUser((user, done) => {
    done(null, user._id);
  });
  passport.deserializeUser((id, done) => {
    myDataBase.findOne({ _id: new ObjectID(id) }, (err, doc) => {
      if (err) return console.error(err);
      done(null, doc);
    });
  });
  passport.use(new LocalStrategy(
    function (username, password, done) {
      myDataBase.findOne({ username: username }, function (err, user) {
        console.log('User ' + username + ' attempted to log in.');
        if (err) { return done(err); }
        if (!user) { return done(null, false); }
        if (!bcrypt.compareSync(password, user.password)) { return done(null, false); }
        return done(null, user);
      });
    }
  ));

  passport.use(new GitHubStrategy({
    clientID: process.env.GITHUB_CLIENT_ID,
    clientSecret: process.env.GITHUB_CLIENT_SECRET,
    callbackURL: 'https://boilerplate-advancednode.your-username.repl.co/auth/github/callback'
  },
    function (accessToken, refreshToken, profile, cb) {
      console.log(profile);
      // Database logic here with callback containing our user object
    }
  ));
};