/**
* restore encryption keys from trash bin
*
* @param \OC\Files\View $view
* @param string $file complete path to file
* @param string $filename name of file
* @param string $uniqueFilename new file name to restore the file without overwriting existing files
* @param string $location location of file
* @param int $timestamp deletion time
* @return bool
*/
private static function restoreEncryptionKeys(\OC\Files\View $view, $file, $filename, $uniqueFilename, $location, $timestamp)
{
if (\OCP\App::isEnabled('files_encryption')) {
$user = \OCP\User::getUser();
$rootView = new \OC\Files\View('/');
$target = \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
list($owner, $ownerPath) = self::getUidAndFilename($target);
// file has been deleted in between
if (empty($ownerPath)) {
return false;
}
$util = new \OCA\Files_Encryption\Util($rootView, $user);
$baseDir = '/files_encryption/';
if (!$util->isSystemWideMountPoint($ownerPath)) {
$baseDir = $owner . $baseDir;
}
$source_location = dirname($file);
if ($view->is_dir('/files_trashbin/keys/' . $file)) {
if ($source_location != '.') {
$keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keys/' . $source_location . '/' . $filename);
} else {
$keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keys/' . $filename);
}
}
if ($timestamp) {
$keyfile .= '.d' . $timestamp;
}
if ($rootView->is_dir($keyfile)) {
$rootView->rename($keyfile, $baseDir . '/keys/' . $ownerPath);
}
}
}
