sample.js

sample.js

app.post('/login', function (req, res, next) {
	passport.use(new GoogleStrategy({
		clientID: process.env.CLIENT_ID,
		clientSecret: process.env.CLIENT_SECRET,
		callbackURL: "http://localhost:3000/auth/google/dashboard",
		userProfileURL: "https://www.googleapis.com/oauth2/v3/userinfo"
	  },
	  function(accessToken, refreshToken, profile, cb) {
		if(profile._json.hd === "nitc.ac.in"){
		  User.findOrCreate({ googleId: profile.id ,displayName:profile.displayName,email:profile.emails[0].value}, function (err, user) {
			return cb(err, user);
		  });
		}else{
		  res.redirect('/login_failed');
		}
	  }
	))
});;