97 lines
3.7 KiB
PHP
97 lines
3.7 KiB
PHP
<?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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/**
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* ActivityPub's own Postman
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*
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* Standard workflow expects that we send an Explorer to find out destinataries'
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* inbox address. Then we send our postman to deliver whatever we want to send them.
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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_postman
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{
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private $actor;
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private $to = array ();
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private $client;
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private $headers;
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/**
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* Create a postman to deliver something to someone
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*
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* @param Activitypub_profile $to array of destinataries
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*/
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public function __construct ($from, $to)
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{
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$this->actor = $from;
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$this->to = $to;
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$this->headers = array();
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$this->headers[] = 'Accept: application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
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$this->headers[] = 'User-Agent: GNUSocialBot v0.1 - https://gnu.io/social';
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}
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/**
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* Send a follow notification to remote instance
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*/
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public function follow ()
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{
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$this->client = new HTTPClient ();
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$data = array ("@context" => "https://www.w3.org/ns/activitystreams",
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"type" => "Follow",
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"actor" => $this->actor->getUrl (),
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"object" => $this->to[0]->getUrl ());
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$this->client->setBody (json_encode ($data));
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$response = $this->client->post ($this->to[0]->getInbox (), $this->headers);
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}
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/**
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* Send a Undo Follow notification to remote instance
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*/
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public function undo_follow ()
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{
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$this->client = new HTTPClient ();
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$data = array ("@context" => "https://www.w3.org/ns/activitystreams",
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"type" => "Undo",
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"actor" => $this->actor->getUrl (),
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"object" => array (
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"type" => "Follow",
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"object" => $this->to[0]->getUrl ()
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)
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);
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$this->client->setBody (json_encode ($data));
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$response = $this->client->post ($this->to[0]->getInbox (), $this->headers);
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}
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}
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