From 879917f5f1e1a02e34d89172de24f1d2ae0a1fab Mon Sep 17 00:00:00 2001
From: Vincent Chan <plus.vincchan@gmail.com>
Date: Tue, 2 Feb 2016 14:56:19 +0100
Subject: [PATCH] Do not allow username to have space at the beginning or at
 the end fixes #22035

---
 settings/js/users/users.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/settings/js/users/users.js b/settings/js/users/users.js
index 151ab6cdecc..16faaf667ec 100644
--- a/settings/js/users/users.js
+++ b/settings/js/users/users.js
@@ -776,6 +776,12 @@ $(document).ready(function () {
 				t('settings', 'Error creating user'));
 			return false;
 		}
+		if ($.trim(username).length !== username.length) {
+			OC.dialogs.alert(
+				t('settings', 'Username contains whitespace at the beginning or at the end'),
+				t('settings', 'Error creating user'));
+			return false;
+		}
 		if ($.trim(password) === '') {
 			OC.dialogs.alert(
 				t('settings', 'A valid password must be provided'),