handled error cases for external auth login

backend/src/routes/v1/oauth.ts

@@ -5,18 +5,18 @@ import { oauthController } from '../../controllers/v1';
 import { authLimiter } from '../../helpers/rateLimiter';
 
 router.get(
-    '/redirect/google',
-    authLimiter,
-    passport.authenticate('google', {
-      scope: ['profile', 'email'],
-      session: false,
-    }),
-  )
-  
+  '/redirect/google',
+  authLimiter,
+  passport.authenticate('google', {
+    scope: ['profile', 'email'],
+    session: false,
+  }),
+)
+
 router.get(
-    '/callback/google',
-    passport.authenticate('google', { failureRedirect: '/error', session: false }),
-    oauthController.handleAuthProviderCallback,
+  '/callback/google',
+  passport.authenticate('google', { failureRedirect: '/login/provider/error', session: false }),
+  oauthController.handleAuthProviderCallback,
 )
 
 export default router;

backend/src/utils/auth.ts

@@ -106,7 +106,7 @@ const initializePassport = async () => {
       req.providerAuthToken = providerAuthToken;
       cb(null, profile);
     } catch (err) {
-      cb(err);
+      cb(null, false);
     }
   }));
 }