gnu-social/plugins/ActivityPub/Util/Model/AS2ToEntity/AS2ToEntity.php

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<?php
declare(strict_types = 1);
namespace Plugin\ActivityPub\Util\Model\AS2ToEntity;
use App\Core\DB\DB;
use App\Core\Event;
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use App\Entity\Actor;
use App\Entity\Note;
use App\Util\Exception\ClientException;
use App\Util\Formatting;
use DateTime;
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use Plugin\ActivityPub\ActivityPub;
use Plugin\ActivityPub\Entity\ActivitypubActivity;
abstract class AS2ToEntity
{
public static function activity_stream_two_verb_to_gs_verb($verb)
{
return match ($verb) {
'Create' => 'create',
default => throw new ClientException('Invalid verb'),
};
}
public static function activity_stream_two_object_type_to_gs_table($verb)
{
return match ($verb) {
'Note' => 'note',
default => throw new ClientException('Invalid verb'),
};
}
/**
* @throws ClientException
*/
public static function store(array $activity, ?string $source = null): array
{
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$act = ActivitypubActivity::getWithPK(['activity_uri' => $activity['id']]);
if (\is_null($act)) {
$actor = ActivityPub::getActorByUri($activity['actor']);
$map = [
'activity_uri' => $activity['id'],
'actor_id' => $actor->getId(),
'verb' => self::activity_stream_two_verb_to_gs_verb($activity['type']),
'object_type' => self::activity_stream_two_object_type_to_gs_table($activity['object']['type']),
'object_uri' => $activity['object']['id'],
'is_local' => false,
'created' => new DateTime($activity['published'] ?? 'now'),
'modified' => new DateTime(),
'source' => $source,
];
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$act = new ActivitypubActivity();
foreach ($map as $prop => $val) {
$set = Formatting::snakeCaseToCamelCase("set_{$prop}");
$act->{$set}($val);
}
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$obj = null;
switch ($activity['object']['type']) {
case 'Note':
$obj = AS2ToNote::translate($activity['object'], $source, $activity['actor'], $act);
break;
default:
if (!Event::handle('ActivityPubObject', [$activity['object']['type'], $activity['object'], &$obj])) {
throw new ClientException('Unsupported Object type.');
}
break;
}
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DB::persist($obj);
$act->setObjectId($obj->getId());
DB::persist($act);
} else {
$actor = Actor::getById($act->getActorId());
switch ($activity['object']['type']) {
case 'Note':
$obj = Note::getWithPK(['id' => $act->getObjectId()]);
break;
default:
if (!Event::handle('ActivityPubObject', [$activity['object']['type'], $activity['object'], &$obj])) {
throw new ClientException('Unsupported Object type.');
}
break;
}
}
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return [$actor, $act, $obj];
}
}