Merge branch 'main' of gitlab.studip.de:studip/studip into main

lib/models/OpenGraphURL.class.php

@@ -172,7 +172,12 @@ class OpenGraphURL extends SimpleORMap
                 ],
             ]);
 
-            $content = file_get_contents($this['url'], false, $context);
+            $content = @file_get_contents($this['url'], false, $context);
+
+            if ($content === false) {
+                return;
+            }
+
             $content = mb_encode_numericentity($content, [0x80, 0xffff, 0, 0xffff], $currentEncoding);
             $old_libxml_error = libxml_use_internal_errors(true);
             $doc = new DOMDocument();

lib/models/resources/ResourceBooking.class.php

@@ -1865,6 +1865,9 @@ class ResourceBooking extends SimpleORMap implements PrivacyObject, Studip\Calen
             //Nothing we can do here.
             return;
         }
+        if (User::findCurrent()->id === $booking_user->id) {
+            return;
+        }
 
         $template_factory = new Flexi_TemplateFactory(
             $GLOBALS['STUDIP_BASE_PATH'] . '/locale/'