diff options
Diffstat (limited to 'lib/private/Encryption/Keys/Storage.php')
| -rw-r--r-- | lib/private/Encryption/Keys/Storage.php | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/private/Encryption/Keys/Storage.php b/lib/private/Encryption/Keys/Storage.php index 8149ffe9dce..e8d152581fe 100644 --- a/lib/private/Encryption/Keys/Storage.php +++ b/lib/private/Encryption/Keys/Storage.php @@ -51,6 +51,9 @@ class Storage implements IStorage { /** @var string */ private $encryption_base_dir; + /** @var string */ + private $backup_base_dir; + /** @var array */ private $keyCache = []; @@ -64,6 +67,7 @@ class Storage implements IStorage { $this->encryption_base_dir = '/files_encryption'; $this->keys_base_dir = $this->encryption_base_dir .'/keys'; + $this->backup_base_dir = $this->encryption_base_dir .'/backup'; $this->root_dir = $this->util->getKeyStorageRoot(); } @@ -287,6 +291,37 @@ class Storage implements IStorage { } /** + * backup keys of a given encryption module + * + * @param string $encryptionModuleId + * @param string $purpose + * @param string $uid + * @return bool + * @since 12.0.0 + */ + public function backupUserKeys($encryptionModuleId, $purpose, $uid) { + $source = $uid . $this->encryption_base_dir . '/' . $encryptionModuleId; + $backupDir = $uid . $this->backup_base_dir; + if (!$this->view->file_exists($backupDir)) { + $this->view->mkdir($backupDir); + } + + $backupDir = $backupDir . '/' . $purpose . '.' . $encryptionModuleId . '.' . $this->getTimestamp(); + $this->view->mkdir($backupDir); + + return $this->view->copy($source, $backupDir); + } + + /** + * get the current timestamp + * + * @return int + */ + protected function getTimestamp() { + return time(); + } + + /** * get system wide path and detect mount points * * @param string $path |