/**
* Returns metadata from the shared storage, but
* with permissions from the source storage.
*
* @param string $path path of the file for which to retrieve metadata
*
* @return array an array of metadata of the file
*/
protected function getData($path)
{
$data = parent::getData($path);
$sourcePath = $this->storage->getSourcePath($path);
list($sourceStorage, $internalPath) = \OC\Files\Filesystem::resolvePath($sourcePath);
$data['permissions'] = $sourceStorage->getPermissions($internalPath);
return $data;
}