Ensure LiU mails are rejected

client/UserCreation.vue

@@ -106,8 +106,7 @@ export default {
       if (!this.user.email || !this.user.email.includes('@') || !this.user.email.includes('.')) {
         this.errors.email = "Specify a valid email address";
       }
-      else if (this.user.email.endsWith('@liu.se'))
-      {
+      else if (this.user.email.match(/@(.+\.)?liu\.se$/)) {
         this.errors.email = "LiU users should use their LiU-ID to sign in";
       }
 

server/users.js

@@ -55,6 +55,10 @@ router.post('/', async (req, res) => {
     }
   }
 
+  if (req.body.email.match(/@(.*\.)?liu\.se$/)) {
+    return res.status(400).send({ 'message': 'LiU users should use their LiU-ID to sign in here' })
+  }
+
   // TODO: Apply further validation on input
   // XXX   Make sure user is allowed to create