123 lines
4.1 KiB
PHP
Executable File
123 lines
4.1 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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/**
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* Actor's Following Collection
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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 apActorFollowingAction extends ManagedAction
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{
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protected $needLogin = false;
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protected $canPost = true;
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/**
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* Handle the Following Collection request
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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @return void
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*/
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protected function handle()
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{
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try {
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$profile = Profile::getByID($this->trimmed('id'));
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$profile_id = $profile->getID();
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} catch (Exception $e) {
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ActivityPubReturn::error('Invalid Actor URI.', 404);
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}
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if (!$profile->isLocal()) {
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ActivityPubReturn::error("This is not a local user.");
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}
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if (!isset($_GET["page"])) {
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$page = 0;
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} else {
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$page = intval($this->trimmed('page'));
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}
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if ($page < 0) {
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ActivityPubReturn::error('Invalid page number.');
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}
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$since = ($page - 1) * PROFILES_PER_MINILIST;
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$limit = (($page - 1) == 0 ? 1 : $page) * PROFILES_PER_MINILIST;
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/* Fetch Following */
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try {
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$sub = $profile->getSubscribed($since, $limit);
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} catch (NoResultException $e) {
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// Just let the exception go on its merry way
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}
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/* Calculate total items */
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$total_subs = $profile->subscriptionCount();
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$total_pages = ceil($total_subs / PROFILES_PER_MINILIST);
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/* Get followed' URLs */
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$subs = array();
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while ($sub->fetch()) {
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$subs[] = ActivityPubPlugin::actor_uri($sub);
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}
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$res = [
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'@context' => [
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"https://www.w3.org/ns/activitystreams",
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"https://w3id.org/security/v1",
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],
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'id' => common_local_url('apActorFollowing', ['id' => $profile_id]).(($page != 0) ? '?page='.$page : ''),
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'type' => ($page == 0 ? 'OrderedCollection' : 'OrderedCollectionPage'),
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'totalItems' => $total_subs,
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'orderedItems' => $subs
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];
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if ($page == 0) {
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$res['first'] = common_local_url('apActorFollowing', ['id' => $profile_id]).'?page=1';
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} else {
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$res['partOf'] = common_local_url('apActorFollowing', ['id' => $profile_id]);
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if ($page+1 < $total_pages) {
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$res['next'] = common_local_url('apActorFollowing', ['id' => $profile_id]).'page='.($page+1 == 1 ? 2 : $page+1);
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}
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if ($page > 1) {
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$res['prev'] = common_local_url('apActorFollowing', ['id' => $profile_id]).'?page='.($page-1 <= 0 ? 1 : $page-1);
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}
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}
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ActivityPubReturn::answer($res);
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}
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}
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