auth using google

routes/google.js

@@ -0,0 +1,23 @@
+const express = require('express');
+const passport = require('passport');
+
+const router = express.Router();
+
+const asyncHelper = require('../asyncHelper');
+
+router.get(
+  '/google',
+  passport.authenticate('google', {
+    scope: ['https://www.googleapis.com/auth/plus.login'],
+  }),
+);
+
+router.get(
+  '/google/callback',
+  passport.authenticate('google', { session: false, failWithError: true }),
+  asyncHelper(async (req, res) => {
+    res.redirect(`/login?jwt=${req.user.generateJwt()}`);
+  }),
+);
+
+module.exports = router;

routes/users.js

@@ -8,6 +8,8 @@ const router = express.Router();
 
 const asyncHelper = require('../asyncHelper');
 const auth = require('./auth');
+const { googleEnabled } = require('../config').googleOAuth;
+const googleOAuth = require('./google');
 
 const { NotFoundError } = require('../errors');
 
@@ -69,6 +71,9 @@ router.delete(
   }),
 );
 
+if (googleEnabled) {
+  router.use('/login', googleOAuth);
+}
 router.post(
   '/login',
   passport.authenticate('local', { session: false, failWithError: true }),