92 lines
3.4 KiB
PHP
Executable File
92 lines
3.4 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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* @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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/**
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* ActivityPub error representation
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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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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://www.gnu.org/software/social/
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*/
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class Activitypub_follow extends Managed_DataObject
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{
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/**
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* Generates an ActivityPub representation of a subscription
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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @param string $actor
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* @param string $object
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* @return pretty array to be used in a response
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*/
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public static function follow_to_array($actor, $object)
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{
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$res = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => common_root_url().'follow_from_'.urlencode($actor).'_to_'.urlencode($object),
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'type' => 'Follow',
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'actor' => $actor,
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'object' => $object
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];
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return $res;
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}
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/**
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* Handles a Follow Activity received by our inbox.
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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @param Profile $actor_profile Remote Actor
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* @param string $object Local Actor
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* @throws Exception
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*/
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public static function follow($actor_profile, $object)
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{
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// Get Actor's Aprofile
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$actor_aprofile = Activitypub_profile::from_profile($actor_profile);
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// Get Object profile
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$object_profile = new Activitypub_explorer;
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$object_profile = $object_profile->lookup($object)[0];
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if (!Subscription::exists($actor_profile, $object_profile)) {
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Subscription::start($actor_profile, $object_profile);
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common_debug('ActivityPubPlugin: Accepted Follow request from '.ActivityPubPlugin::actor_uri($actor_profile).' to '.$object);
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} else {
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common_debug('ActivityPubPlugin: Received a repeated Follow request from '.ActivityPubPlugin::actor_uri($actor_profile).' to '.$object);
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}
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// Notify remote instance that we have accepted their request
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common_debug('ActivityPubPlugin: Notifying remote instance that we have accepted their Follow request request from '.ActivityPubPlugin::actor_uri($actor_profile).' to '.$object);
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$postman = new Activitypub_postman($actor_profile, [$actor_aprofile]);
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$postman->accept_follow();
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}
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}
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