112 lines
4.0 KiB
PHP
112 lines
4.0 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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* @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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* @link 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 Like 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 https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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class Activitypub_like
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{
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/**
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* Generates an ActivityPub representation of a Like
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*
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* @param string $actor Actor URI
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* @param Notice $notice Notice URI
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* @return array pretty array to be used in a response
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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*/
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public static function like_to_array(string $actor, Notice $notice): array
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{
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$res = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => Activitypub_notice::getUri($notice),
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'type' => 'Like',
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'actor' => $actor,
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'object' => Activitypub_notice::getUri($notice->getParent()),
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];
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return $res;
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}
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/**
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* Save a favorite record.
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*
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* @param string $uri
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* @param Profile $actor the local or remote Profile who favorites
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* @param Notice $target the notice that is favorited
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* @return Notice record on success
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* @throws AlreadyFulfilledException
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* @throws ClientException
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* @throws NoticeSaveException
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* @throws ServerException
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*/
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public static function addNew(string $uri, Profile $actor, Notice $target): Notice
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{
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if (Fave::existsForProfile($target, $actor)) {
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// TRANS: Client error displayed when trying to mark a notice as favorite that already is a favorite.
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throw new AlreadyFulfilledException(_m('You have already favorited this!'));
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}
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$act = new Activity();
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$act->type = ActivityObject::ACTIVITY;
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$act->verb = ActivityVerb::FAVORITE;
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$act->time = time();
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$act->id = $uri;
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$act->title = _m('Favor');
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// TRANS: Message that is the "content" of a favorite (%1$s is the actor's nickname, %2$ is the favorited
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// notice's nickname and %3$s is the content of the favorited notice.)
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$act->content = sprintf(
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_m('%1$s favorited something by %2$s: %3$s'),
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$actor->getNickname(),
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$target->getProfile()->getNickname(),
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$target->getRendered()
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);
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$act->actor = $actor->asActivityObject();
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$act->target = $target->asActivityObject();
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$act->objects = [clone($act->target)];
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$url = common_local_url('AtomPubShowFavorite', ['profile'=>$actor->id, 'notice'=>$target->id]);
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$act->selfLink = $url;
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$act->editLink = $url;
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$options = [
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'source' => 'ActivityPub',
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'uri' => $act->id,
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'url' => $url,
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'is_local' => ($actor->isLocal() ? Notice::LOCAL_PUBLIC : Notice::REMOTE),
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'scope' => $target->getScope(),
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];
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// saveActivity will in turn also call Fave::saveActivityObject
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return Notice::saveActivity($act, $actor, $options);
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}
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}
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