MDL-37432 Calendar: Added check for empty calendar url

moodle · Jan 21, 2013 · 76657ed · 76657ed
1 parent 7def533
commit 76657ed
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/calendar/managesubscriptions_form.php b/calendar/managesubscriptions_form.php
@@ -123,7 +123,9 @@ public function validation($data, $files) {
                 }
             }
         } else if (($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 {