98 lines
3.7 KiB
PHP
98 lines
3.7 KiB
PHP
<?php
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declare(strict_types = 1);
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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/**
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* ActivityPub implementation for GNU social
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*
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* @package GNUsocial
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* @category ActivityPub
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*
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* @author Diogo Peralta Cordeiro <@diogo.site>
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* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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namespace Plugin\ActivityPub\Util\Model;
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use ActivityPhp\Type\AbstractObject;
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use App\Core\DB;
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use App\Entity\Activity as GSActivity;
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use App\Util\Exception\ClientException;
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use Component\Subscription\Subscription;
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use Component\Subscription\Subscription as SubscriptionComponent;
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use DateTime;
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use InvalidArgumentException;
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use Plugin\ActivityPub\Entity\ActivitypubActivity;
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/**
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* This class handles translation between JSON and ActivityPub Follows
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*
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* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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class ActivityFollow extends Activity
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{
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protected static function handle_core_activity(\App\Entity\Actor $actor, AbstractObject $type_activity, mixed $type_object, ?ActivitypubActivity &$ap_act): ActivitypubActivity
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{
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if ($type_object instanceof AbstractObject) {
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$subscribed = Actor::fromJson($type_object)->getActorId();
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} elseif ($type_object instanceof \App\Entity\Actor) {
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$subscribed = $type_object;
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} else {
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throw new InvalidArgumentException('Follow{:Object} should be either an AbstractObject or an Actor.');
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}
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// Execute Subscribe
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$act = Subscription::subscribe($actor, $subscribed, 'ActivityPub');
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if (\is_null($act)) {
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throw new ClientException('You are already subscribed to this actor.');
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}
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SubscriptionComponent::refreshSubscriptionCount($actor, $subscribed);
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// Store ActivityPub Activity
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$ap_act = ActivitypubActivity::create([
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'activity_id' => $act->getId(),
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'activity_uri' => $type_activity->get('id'),
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'created' => new DateTime($type_activity->get('published') ?? 'now'),
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'modified' => new DateTime(),
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]);
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DB::persist($ap_act);
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return $ap_act;
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}
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public static function handle_undo(\App\Entity\Actor $actor, AbstractObject $type_activity, GSActivity $type_object, ?ActivitypubActivity &$ap_act): ActivitypubActivity
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{
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// Execute Unsubscribe
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$act = Subscription::unsubscribe($actor, $type_object->getObjectId(), 'ActivityPub');
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if (\is_null($act)) {
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throw new ClientException('You are already unsubscribed of this actor.');
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}
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// Store ActivityPub Activity
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$ap_act = ActivitypubActivity::create([
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'activity_id' => $act->getId(),
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'activity_uri' => $type_activity->get('id'),
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'created' => new DateTime($type_activity->get('published') ?? 'now'),
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'modified' => new DateTime(),
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]);
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DB::persist($ap_act);
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return $ap_act;
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}
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}
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