• Модуль: main
  • Путь к файлу: ~/bitrix/modules/main/lib/ui/viewer/previewmanager.php
  • Класс: BitrixMainUIViewerPreviewManager
  • Вызов: PreviewManager::unsignFileId
protected function unsignFileId($signedString)
{
	$signer = new SecuritySignSigner();

	$unsignedParameters = $signer->unsign(
		$signedString,
		self::SALT_FILE_ID
	);

	return unserialize(base64_decode($unsignedParameters), ['allowed_classes' => false]);
}