diff options
Diffstat (limited to 'apps/files_encryption/hooks/hooks.php')
| -rw-r--r-- | apps/files_encryption/hooks/hooks.php | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/apps/files_encryption/hooks/hooks.php b/apps/files_encryption/hooks/hooks.php index 09d5687e226..4c4b3f2040f 100644 --- a/apps/files_encryption/hooks/hooks.php +++ b/apps/files_encryption/hooks/hooks.php @@ -32,6 +32,8 @@ class Hooks { // file for which we want to rename the keys after the rename operation was successful
private static $renamedFiles = array();
+ // file for which we want to delete the keys after the delete operation was successful
+ private static $deleteFiles = array();
/**
* @brief Startup encryption backend upon user login
@@ -630,4 +632,66 @@ class Hooks { }
}
+ /**
+ * @brief if the file was really deleted we remove the encryption keys
+ * @param array $params
+ * @return boolean
+ */
+ public static function postDelete($params) {
+
+ if (!isset(self::$deleteFiles[$params[\OC\Files\Filesystem::signal_param_path]])) {
+ return true;
+ }
+
+ $deletedFile = self::$deleteFiles[$params[\OC\Files\Filesystem::signal_param_path]];
+ $path = $deletedFile['path'];
+ $user = $deletedFile['uid'];
+
+ // we don't need to remember the file any longer
+ unset(self::$deleteFiles[$params[\OC\Files\Filesystem::signal_param_path]]);
+
+ $view = new \OC\Files\View('/');
+
+ // return if the file still exists and wasn't deleted correctly
+ if ($view->file_exists('/' . $user . '/files/' . $path)) {
+ return true;
+ }
+
+ // Disable encryption proxy to prevent recursive calls
+ $proxyStatus = \OC_FileProxy::$enabled;
+ \OC_FileProxy::$enabled = false;
+
+ // Delete keyfile & shareKey so it isn't orphaned
+ if (!Keymanager::deleteFileKey($view, $path, $user)) {
+ \OCP\Util::writeLog('Encryption library',
+ 'Keyfile or shareKey could not be deleted for file "' . $user.'/files/'.$path . '"', \OCP\Util::ERROR);
+ }
+
+ Keymanager::delAllShareKeys($view, $user, $path);
+
+ \OC_FileProxy::$enabled = $proxyStatus;
+ }
+
+ /**
+ * @brief remember the file which should be deleted and it's owner
+ * @param array $params
+ * @return boolean
+ */
+ public static function preDelete($params) {
+ $path = $params[\OC\Files\Filesystem::signal_param_path];
+
+ // skip this method if the trash bin is enabled or if we delete a file
+ // outside of /data/user/files
+ if (\OCP\App::isEnabled('files_trashbin')) {
+ return true;
+ }
+
+ $util = new Util(new \OC_FilesystemView('/'), \OCP\USER::getUser());
+ list($owner, $ownerPath) = $util->getUidAndFilename($path);
+
+ self::$deleteFiles[$params[\OC\Files\Filesystem::signal_param_path]] = array(
+ 'uid' => $owner,
+ 'path' => $ownerPath);
+ }
+
}
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