/**
* @brief When a file is deleted, remove its keyfile also
*/
public function preUnlink($path)
{
// let the trashbin handle this
if (\OCP\App::isEnabled('files_trashbin')) {
return true;
}
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$view = new \OC_FilesystemView('/');
$userId = \OCP\USER::getUser();
$util = new Util($view, $userId);
// get relative path
$relativePath = \OCA\Encryption\Helper::stripUserFilesPath($path);
list($owner, $ownerPath) = $util->getUidAndFilename($relativePath);
// Delete keyfile & shareKey so it isn't orphaned
if (!Keymanager::deleteFileKey($view, $owner, $ownerPath)) {
\OCP\Util::writeLog('Encryption library', 'Keyfile or shareKey could not be deleted for file "' . $ownerPath . '"', \OCP\Util::ERROR);
}
Keymanager::delAllShareKeys($view, $owner, $ownerPath);
\OC_FileProxy::$enabled = $proxyStatus;
// If we don't return true then file delete will fail; better
// to leave orphaned keyfiles than to disallow file deletion
return true;
}
