gnu-social/plugins/ActivityPub/Util/Model/Actor.php

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<?php
declare(strict_types=1);
// {{{ License
// 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
* @category ActivityPub
* @author Diogo Peralta Cordeiro <@diogo.site>
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace Plugin\ActivityPub\Util\Model;
use ActivityPhp\Type\AbstractObject;
use App\Core\DB\DB;
use App\Core\Event;
use App\Core\Router\Router;
use App\Core\Security;
use App\Entity\Actor as GSActor;
use App\Util\Exception\ServerException;
use App\Util\Formatting;
use Component\Avatar\Avatar;
use Component\Avatar\Exception\NoAvatarException;
use DateTime;
use DateTimeInterface;
use Exception;
use InvalidArgumentException;
use Plugin\ActivityPub\Entity\ActivitypubActor;
use Plugin\ActivityPub\Entity\ActivitypubRsa;
use Plugin\ActivityPub\Util\Model;
/**
* This class handles translation between JSON and GSActors
*
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class Actor extends Model
{
/**
* Create an Entity from an ActivityStreams 2.0 JSON string
* This will persist a new GSActor, ActivityPubRSA, and ActivityPubActor
*
* @param string|AbstractObject $json
* @param array $options
* @return GSActor
* @throws Exception
*/
public static function fromJson(string|AbstractObject $json, array $options = []): GSActor
{
$person = is_string($json) ? self::jsonToType($json) : $json;
// Actor
$actor_map = [
'nickname' => $person->get('preferredUsername'),
'fullname' => $person->get('name'),
'created' => new DateTime($person->get('published') ?? 'now'),
'bio' => $person->has('summary') ? mb_substr(Security::sanitize($person->get('summary')), 0, 1000) : null,
'is_local' => false,
'modified' => new DateTime(),
];
$actor = new GSActor();
foreach ($actor_map as $prop => $val) {
$set = Formatting::snakeCaseToCamelCase("set_{$prop}");
$actor->{$set}($val);
}
DB::persist($actor);
// ActivityPub Actor
$aprofile = ActivitypubActor::create([
'inbox_uri' => $person->get('inbox'),
'inbox_shared_uri' => ($person->has('endpoints') && isset($person->get('endpoints')['sharedInbox'])) ? $person->get('endpoints')['sharedInbox'] : null,
'uri' => $person->get('id'),
'actor_id' => $actor->getId(),
'url' => $person->get('url') ?? null,
]);
DB::persist($aprofile);
// Public Key
$apRSA = ActivitypubRsa::create([
'actor_id' => $actor->getID(),
'public_key' => ($person->has('publicKey') && isset($person->get('publicKey')['publicKeyPem'])) ? $person->get('publicKey')['publicKeyPem'] : null,
]);
DB::persist($apRSA);
// Avatar
//if (isset($res['icon']['url'])) {
// try {
// $this->update_avatar($profile, $res['icon']['url']);
// } catch (Exception $e) {
// // Let the exception go, it isn't a serious issue
// Log::debug('ActivityPub Explorer: An error occurred while grabbing remote avatar: ' . $e->getMessage());
// }
//}
Event::handle('ActivityPubNewActor', [&$aprofile, &$actor, &$apRSA]);
return $aprofile;
}
/**
* Get a JSON
*
* @param mixed $object
* @param int|null $options PHP JSON options
* @return string
* @throws ServerException
*/
public static function toJson(mixed $object, ?int $options = null): string
{
if ($object::class !== 'App\Entity\Actor') {
throw new InvalidArgumentException('First argument type is Actor');
}
$rsa = ActivitypubRsa::getByActor($object);
$public_key = $rsa->getPublicKey();
$uri = null;
$attr = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'type' => 'Person',
'id' => $object->getUri(Router::ABSOLUTE_URL),
'inbox' => Router::url('activitypub_actor_inbox', ['gsactor_id' => $object->getId()], Router::ABSOLUTE_URL),
'outbox' => Router::url('activitypub_actor_outbox', ['gsactor_id' => $object->getId()], Router::ABSOLUTE_URL),
'following' => Router::url('actor_subscriptions_id', ['id' => $object->getId()], Router::ABSOLUTE_URL),
'followers' => Router::url('actor_subscribers_id', ['id' => $object->getId()], Router::ABSOLUTE_URL),
'liked' => Router::url('favourites_view_by_actor_id', ['id' => $object->getId()], Router::ABSOLUTE_URL),
//'streams' =>
'preferredUsername' => $object->getNickname(),
'publicKey' => [
'id' => $uri . "#public-key",
'owner' => $uri,
'publicKeyPem' => $public_key
],
'name' => $object->getFullname(),
'location' => $object->getLocation(),
'published' => $object->getCreated()->format(DateTimeInterface::RFC3339),
'summary' => $object->getBio(),
//'tag' => $object->getSelfTags(),
'updated' => $object->getModified()->format(DateTimeInterface::RFC3339),
'url' => $object->getUrl(Router::ABSOLUTE_URL),
];
try {
$attr['icon'] = Avatar::getAvatar($object->getId())->getUrl(type: Router::ABSOLUTE_URL);
} catch (NoAvatarException) {
// No icon for this actor
}
$type = self::jsonToType($attr);
return $type->toJson($options);
}
}