gnu-social/plugins/ActivityPub/actions/apactoroutbox.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* ActivityPub implementation for GNU social
*
* @package GNUsocial
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*
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @copyright 2018-2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*
* @see http://www.gnu.org/software/social/
*/
defined('GNUSOCIAL') || die();
/**
* Inbox Request Handler
*
* @category Plugin
* @package GNUsocial
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*
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class apActorOutboxAction extends ManagedAction
{
protected $needLogin = false;
protected $canPost = true;
/**
* Handle the Outbox request
*
* @author Daniel Supernault <danielsupernault@gmail.com>
*/
protected function handle()
{
try {
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$profile = Profile::getByID($this->trimmed('id'));
$profile_id = $profile->getID();
} catch (Exception $e) {
ActivityPubReturn::error('Invalid Actor URI.', 404);
}
if (!$profile->isLocal()) {
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ActivityPubReturn::error('This is not a local user.', 403);
}
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if (!isset($_GET['page'])) {
$page = 0;
} else {
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$page = (int) ($this->trimmed('page'));
}
if ($page < 0) {
ActivityPubReturn::error('Invalid page number.');
}
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$since = ($page - 1) * PROFILES_PER_MINILIST;
$limit = (($page - 1) == 0 ? 1 : $page) * PROFILES_PER_MINILIST;
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// Calculate total items
$total_notes = $profile->noticeCount();
$total_pages = ceil($total_notes / PROFILES_PER_MINILIST);
$res = [
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'@context' => [
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
],
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'id' => common_local_url('apActorOutbox', ['id' => $profile_id]) . (($page != 0) ? '?page=' . $page : ''),
'type' => ($page == 0 ? 'OrderedCollection' : 'OrderedCollectionPage'),
'totalItems' => $total_notes,
];
if ($page == 0) {
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$res['first'] = common_local_url('apActorOutbox', ['id' => $profile_id]) . '?page=1';
} else {
$res['orderedItems'] = $this->generate_outbox($profile);
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$res['partOf'] = common_local_url('apActorOutbox', ['id' => $profile_id]);
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if ($page + 1 < $total_pages) {
$res['next'] = common_local_url('apActorOutbox', ['id' => $profile_id]) . 'page=' . ($page + 1 == 1 ? 2 : $page + 1);
}
if ($page > 1) {
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$res['prev'] = common_local_url('apActorOutbox', ['id' => $profile_id]) . '?page=' . ($page - 1 <= 0 ? 1 : $page - 1);
}
}
ActivityPubReturn::answer($res);
}
/**
* Generates a list of people following given profile.
*
* @param Profile $profile
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*
* @throws EmptyPkeyValueException
* @throws InvalidUrlException
* @throws ServerException
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*
* @return array of Notices
*
* @author Daniel Supernault <danielsupernault@gmail.com>
*/
public function generate_outbox($profile)
{
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// Fetch Notices
$notices = [];
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$notice = $profile->getNotices();
while ($notice->fetch()) {
$note = $notice;
// TODO: Handle other types
if ($note->object_type == 'http://activitystrea.ms/schema/1.0/note') {
$notices[] = Activitypub_create::create_to_array(
$note->getProfile()->getUri(),
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common_local_url('apNotice', ['id' => $note->getID()]),
Activitypub_notice::notice_to_array($note)
);
}
}
return $notices;
}
}