@ -265,6 +265,10 @@ class Manager extends PublicEmitter implements IUserManager {
if (trim($uid) == '') {
throw new \Exception($l->t('A valid username must be provided'));
}
// No whitespace at the beginning or at the end
if (strlen(trim($uid, "\t\n\r\0\x0B\xe2\x80\x8b")) !== strlen(trim($uid))) {
throw new \Exception($l->t('Username contains whitespace at the beginning or at the end'));
// No empty password
if (trim($password) == '') {
throw new \Exception($l->t('A valid password must be provided'));
@ -776,12 +776,6 @@ $(document).ready(function () {
t('settings', 'Error creating user'));
return false;
if ($.trim(username).length !== username.length) {
OC.dialogs.alert(
t('settings', 'Username contains whitespace at the beginning or at the end'),
if ($.trim(password) === '') {
t('settings', 'A valid password must be provided'),