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gnu-social-v2-archive-activ.../actions/inbox/Follow.php
2018-07-31 22:16:30 +01:00

60 lines
2.5 KiB
PHP
Executable File

<?php
/**
* GNU social - a federating social network
*
* ActivityPubPlugin implementation for GNU Social
*
* LICENCE: This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package GNUsocial
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @author Daniel Supernault <danielsupernault@gmail.com>
* @copyright 2018 Free Software Foundation http://fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link https://www.gnu.org/software/social/
*/
if (!defined('GNUSOCIAL')) {
exit(1);
}
// Validate Object
if (!is_string($data->object)) {
ActivityPubReturn::error("Invalid Object object, URL expected.");
}
// Get valid Object profile
try {
$object_profile = new Activitypub_explorer;
$object_profile = $object_profile->lookup($data->object)[0];
} catch (Exception $e) {
ActivityPubReturn::error("Invalid Object Actor URL.", 404);
}
try {
if (!Subscription::exists($actor_profile, $object_profile)) {
Subscription::start($actor_profile, $object_profile);
common_debug('ActivityPubPlugin: Accepted Follow request from '.$data->actor.' to '.$data->object);
$postman = new Activitypub_postman($data->actor);
$postman->send(json_encode(Activitypub_accept::accept_to_array(Activitypub_follow::follow_to_array($data->actor, $data->object))), Activitypub_profile::from_profile($object_profile)->getInbox());
ActivityPubReturn::answer('', 202);
} else {
common_debug('ActivityPubPlugin: Received a repeated Follow request from '.$data->actor.' to '.$data->object);
ActivityPubReturn::error("Already following.", 409);
}
} catch (Exception $e) {
common_debug('ActivityPubPlugin: An error ocurred processing Follow request from '.$data->actor.' to '.$data->object);
ActivityPubReturn::error("Invalid Object Actor URL.", 404);
}