MDL-37432 Calendar: Added check for empty calendar url

2013-01-21 10:28:32 +08:00
parent a5ec499521
commit 378cb038b2
1 changed files with 3 additions and 1 deletions
@@ -123,7 +123,9 @@ class calendar_addsubscription_form extends moodleform {
                }
            }
        } else if (($data['importfrom'] == CALENDAR_IMPORT_FROM_URL)) {
-            if (clean_param($data['url'], PARAM_URL) !== $data['url']) {
+            // Clean input calendar url.
+            $url = clean_param($data['url'], PARAM_URL);
+            if (empty($url) || ($url !== $data['url'])) {
                $errors['url']  = get_string('invalidurl', 'error');
            }
        } else {