Improved ID detection

diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index cab0030..671f427 100644 (file)
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -1029,8 +1029,17 @@ class Transmitter
                        return self::createNote($item);
                }
 
-               /// @todo Better fetch the real object url.
-               return $announce['plink'];
+               // Fetch the original id of the object
+               $activity = ActivityPub::fetchContent($announce['plink'], $item['uid']);
+               if (!empty($activity)) {
+                       $ldactivity = JsonLD::compact($activity);
+                       $id = JsonLD::fetchElement($ldactivity, '@id');
+                       if (!empty($id)) {
+                               return $id;
+                       }
+               }
+
+               return self::createNote($item);
        }
 
        /**