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