friendica-github/src/Module/Inbox.php

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<?php
/**
* @file src/Module/Inbox.php
*/
namespace Friendica\Module;
use Friendica\BaseModule;
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use Friendica\Protocol\ActivityPub;
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use Friendica\Core\System;
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use Friendica\Database\DBA;
/**
* ActivityPub Inbox
*/
class Inbox extends BaseModule
{
public static function init()
{
$a = self::getApp();
$postdata = file_get_contents('php://input');
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if (empty($postdata)) {
System::httpExit(400);
}
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if (ActivityPub::verifySignature($postdata, $_SERVER)) {
$filename = 'signed-activitypub';
} else {
$filename = 'failed-activitypub';
}
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$tempfile = tempnam(get_temppath(), $filename);
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file_put_contents($tempfile, json_encode(['argv' => $a->argv, 'header' => $_SERVER, 'body' => $postdata]));
logger('Incoming message stored under ' . $tempfile);
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if (!empty($a->argv[1])) {
$user = DBA::selectFirst('user', ['uid'], ['nickname' => $a->argv[1]]);
if (!DBA::isResult($user)) {
System::httpExit(404);
}
$uid = $user['uid'];
} else {
$uid = 0;
}
ActivityPub::processInbox($postdata, $_SERVER, $uid);
System::httpExit(202);
}
}