friendica/src/Module/Objects.php

51 lines
1.3 KiB
PHP

<?php
/**
* @file src/Module/Objects.php
*/
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Protocol\ActivityPub;
use Friendica\Core\System;
use Friendica\Model\Item;
use Friendica\Database\DBA;
use Friendica\Util\HTTPSignature;
/**
* ActivityPub Objects
*/
class Objects extends BaseModule
{
public static function rawContent()
{
$a = self::getApp();
if (empty($a->argv[1])) {
System::httpExit(404);
}
if (!ActivityPub::isRequest()) {
$a->internalRedirect(str_replace('objects/', 'display/', $a->query_string));
}
/// @todo Add Authentication to enable fetching of non public content
// $requester = HTTPSignature::getSigner('', $_SERVER);
// At first we try the original post with that guid
$item = Item::selectFirst(['id'], ['guid' => $a->argv[1], 'origin' => true, 'private' => false]);
if (!DBA::isResult($item)) {
// If no original post could be found, it could possibly be a forum post, there we remove the "origin" field.
$item = Item::selectFirst(['id', 'author-link'], ['guid' => $a->argv[1], 'private' => false]);
if (!DBA::isResult($item) || !strstr($item['author-link'], System::baseUrl())) {
System::httpExit(404);
}
}
$data = ActivityPub\Transmitter::createObjectFromItemID($item['id']);
header('Content-Type: application/activity+json');
echo json_encode($data);
exit();
}
}