gnu-social/plugins/ActivityPub/Util/Model/ActivityAnnounce.php

72 lines
3.1 KiB
PHP

<?php
declare(strict_types = 1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* ActivityPub implementation for GNU social
*
* @package GNUsocial
* @category ActivityPub
*
* @author Diogo Peralta Cordeiro <@diogo.site>
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace Plugin\ActivityPub\Util\Model;
use ActivityPhp\Type\AbstractObject;
use Plugin\ActivityPub\Entity\ActivitypubActivity;
/**
* This class handles translation between JSON and ActivityPub Announces
*
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class ActivityAnnounce extends Activity
{
protected static function handle_core_activity(\App\Entity\Actor $actor, AbstractObject $type_activity, mixed $type_object, ?ActivitypubActivity &$ap_act): ActivitypubActivity
{
// The only core Announce we recognise is for (transitive) activities coming from Group actors
if ($actor->isGroup()) {
if ($type_object instanceof AbstractObject) {
$actual_to = array_flip(\is_string($type_object->get('to')) ? [$type_object->get('to')] : $type_object->get('to'));
$actual_cc = array_flip(\is_string($type_object->get('cc')) ? [$type_object->get('cc')] : $type_object->get('cc'));
$actual_cc[$type_activity->get('actor')] = true; // Add group to targets
foreach (\is_string($type_activity->get('to')) ? [$type_activity->get('to')] : $type_activity->get('to') as $to) {
if ($to !== 'https://www.w3.org/ns/activitystreams#Public') {
$actual_to[$to] = true;
}
}
foreach (\is_string($type_activity->get('cc')) ? [$type_activity->get('cc')] : $type_activity->get('cc') as $cc) {
if ($cc !== 'https://www.w3.org/ns/activitystreams#Public') {
$actual_cc[$cc] = true;
}
}
$type_object->set('to', array_keys($actual_to));
$type_object->set('cc', array_keys($actual_cc));
$ap_act = self::fromJson($type_object);
}
}
return $ap_act ?? ($ap_act = $type_object);
}
}