MDL-14589 no file browsing if not logged-in

diff --git a/lib/file/file_browser.php b/lib/file/file_browser.php
index ce6a314247ca82282a3622a73aaf29e1fc9b0665..ce0d87a0e75d6bb078187c91cde8c93a8ad116bb 100644 (file)
--- a/lib/file/file_browser.php
+++ b/lib/file/file_browser.php
@@ -43,7 +43,8 @@ class file_browser {
                 $user = $DB->get_record('user', array('id'=>$context->instanceid));
             }
 
-            if (isguestuser($user)) {
+            if (isguestuser($user) or empty($user->id)) {
+                // no guests or not logged in users here
                 return null;
             }