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Merge pull request #8061 from annando/ap-receiver

AP: ensure that incoming posts are reaching all receivers
pull/8066/head
Tobias Diekershoff 2 years ago committed by GitHub
parent
commit
755b9daa45
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  1. 34
      src/Protocol/ActivityPub/Processor.php

34
src/Protocol/ActivityPub/Processor.php

@ -176,6 +176,9 @@ class Processor
} else {
$item['gravity'] = GRAVITY_COMMENT;
$item['object-type'] = Activity\ObjectType::COMMENT;
// Ensure that the comment reaches all receivers of the referring post
$activity['receiver'] = self::addReceivers($activity);
}
if (empty($activity['directmessage']) && ($activity['id'] != $activity['reply-to-id']) && !Item::exists(['uri' => $activity['reply-to-id']])) {
@ -240,6 +243,35 @@ class Processor
}
}
/**
* Add users to the receiver list of the given public activity.
* This is used to ensure that the activity will be stored in every thread.
*
* @param array $activity Activity array
* @return array Modified receiver list
*/
private static function addReceivers(array $activity)
{
if (!in_array(0, $activity['receiver'])) {
// Private activities will not be modified
return $activity['receiver'];
}
// Add all owners of the referring item to the receivers
$original = $receivers = $activity['receiver'];
$items = Item::select(['uid'], ['uri' => $activity['object_id']]);
while ($item = DBA::fetch($items)) {
$receivers['uid:' . $item['uid']] = $item['uid'];
}
DBA::close($items);
if (count($original) != count($receivers)) {
Logger::info('Improved data', ['id' => $activity['id'], 'object' => $activity['object_id'], 'original' => $original, 'improved' => $receivers]);
}
return $receivers;
}
/**
* Prepare the item array for an activity
*
@ -258,6 +290,8 @@ class Processor
$item['diaspora_signed_text'] = $activity['diaspora:like'] ?? '';
$activity['receiver'] = self::addReceivers($activity);
self::postItem($activity, $item);
}

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