Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/Module/Objects.php
*/
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Item;
use Friendica\Protocol\ActivityPub;
/**
* ActivityPub Objects
*/
class Objects extends BaseModule
{
public static function rawContent(array $parameters = [])
{
$a = DI::app();
if (empty($a->argv[1])) {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
if (!ActivityPub::isRequest()) {
DI::baseUrl()->redirect(str_replace('objects/', 'display/', DI::args()->getQueryString()));
}
/// @todo Add Authentication to enable fetching of non public content
// $requester = HTTPSignature::getSigner('', $_SERVER);
// At first we try the original post with that guid
// @TODO: Replace with parameter from router
$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.
// @TODO: Replace with parameter from router
$item = Item::selectFirst(['id', 'author-link'], ['guid' => $a->argv[1], 'private' => false]);
if (!DBA::isResult($item) || !strstr($item['author-link'], DI::baseUrl()->get())) {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
}
$activity = ActivityPub\Transmitter::createActivityFromItem($item['id'], true);
// Only display "Create" activity objects here, no reshares or anything else
if (!is_array($activity['object']) || ($activity['type'] != 'Create')) {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
$data = ['@context' => ActivityPub::CONTEXT];
$data = array_merge($data, $activity['object']);
header('Content-Type: application/activity+json');
echo json_encode($data);
exit();
}
}