110 lines
3.5 KiB
PHP
110 lines
3.5 KiB
PHP
<?php
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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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* ActivityPub implementation for GNU social
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*
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* @package GNUsocial
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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @copyright 2018-2019 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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* @see http://www.gnu.org/software/social/
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*/
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defined('GNUSOCIAL') || die();
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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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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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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 Activitypub_announce
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{
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/**
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* Generates an ActivityPub representation of a Announce
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*
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* @param Profile $actor
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* @param Notice $notice
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*
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* @return array pretty array to be used in a response
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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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*/
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public static function announce_to_array(Profile $actor, Notice $notice): array
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{
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$actor_uri = $actor->getUri();
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$notice_url = Activitypub_notice::getUrl($notice);
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$to = [common_local_url('apActorFollowers', ['id' => $actor->getID()])];
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foreach ($notice->getAttentionProfiles() as $to_profile) {
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$to[] = $to_profile->getUri();
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}
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$cc[] = 'https://www.w3.org/ns/activitystreams#Public';
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$res = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => common_root_url() . 'share_from_' . urlencode($actor_uri) . '_to_' . urlencode($notice_url),
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'type' => 'Announce',
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'actor' => $actor_uri,
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'object' => $notice_url,
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'to' => $to,
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'cc' => $cc,
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];
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return $res;
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}
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/**
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* Convenience function for posting a repeat of an existing message.
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*
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* @param string $uri
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* @param Profile $actor Profile which is doing the repeat
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* @param Notice $target
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* @return Notice
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*/
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public static function repeat(string $uri, Profile $actor, Notice $target): Notice
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{
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// TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
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// TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
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$content = sprintf(
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_('RT @%1$s %2$s'),
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$actor->getNickname(),
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$target->getContent()
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);
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$options = [
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'source' => 'ActivityPub',
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'uri' => $uri,
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'is_local' => ($actor->isLocal() ? Notice::LOCAL_PUBLIC : Notice::REMOTE),
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'repeat_of' => $target->getParent()->getID(),
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'scope' => $target->getScope(),
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];
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// Scope is same as this one's
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return Notice::saveNew(
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$actor->getID(),
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$content,
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'ActivityPub',
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$options
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);
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}
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}
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