Skip empty name tags in ActivityPub\Processor::acceptIncomingMessage

- Address part of https://github.com/friendica/friendica/issues/12011#issuecomment-1826792949

diff --git a/src/Protocol/ActivityPub/Processor.php b/src/Protocol/ActivityPub/Processor.php
index c8e8faed944ae4d7afd788c55956c33e039a9c2f..47355a4cb9bc927cc8f474565eb5c1571520ebfb 100644 (file)
--- a/src/Protocol/ActivityPub/Processor.php
+++ b/src/Protocol/ActivityPub/Processor.php
@@ -606,7 +606,7 @@ class Processor
                } catch (\Exception $exception) {
                        Logger::notice('Error fetching url', ['url' => $url, 'exception' => $exception]);
                        return true;
-               }       
+               }
 
                // @todo To ensure that the remote system is working correctly, we can check if the "Content-Type" contains JSON
                if (in_array($curlResult->getReturnCode(), [401, 404])) {
@@ -1114,7 +1114,7 @@ class Processor
                                if (!empty($item['source']) && DI::config()->get('debug', 'store_source')) {
                                        Post\Activity::insert($item['uri-id'], $item['source']);
                                }
-               
+
                                continue;
                        }
 
@@ -1613,7 +1613,7 @@ class Processor
                } else {
                        return null;
                }
-       
+
                $ldactivity['recursion-depth'] = !empty($child['recursion-depth']) ? $child['recursion-depth'] + 1 : 0;
 
                if ($object_actor != $actor) {
@@ -1725,7 +1725,7 @@ class Processor
                $tags = Receiver::processTags(JsonLD::fetchElementArray($activity['as:object'], 'as:tag') ?? []);
                if (!empty($tags)) {
                        foreach ($tags as $tag) {
-                               if (($tag['type'] != 'Hashtag') && !strpos($tag['type'], ':Hashtag')) {
+                               if (($tag['type'] != 'Hashtag') && !strpos($tag['type'], ':Hashtag') || empty($tag['name'])) {
                                        continue;
                                }
                                $messageTags[] = ltrim(mb_strtolower($tag['name']), '#');