diff options
Diffstat (limited to 'apps/files_encryption/hooks/hooks.php')
| -rw-r--r-- | apps/files_encryption/hooks/hooks.php | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/apps/files_encryption/hooks/hooks.php b/apps/files_encryption/hooks/hooks.php index 66e2bccd59f..99edcf25ec5 100644 --- a/apps/files_encryption/hooks/hooks.php +++ b/apps/files_encryption/hooks/hooks.php @@ -34,6 +34,8 @@ class Hooks { private static $renamedFiles = array();
// file for which we want to delete the keys after the delete operation was successful
private static $deleteFiles = array();
+ // file for which we want to delete the keys after the delete operation was successful
+ private static $umountedFiles = array();
/**
* Startup encryption backend upon user login
@@ -610,4 +612,57 @@ class Hooks { 'path' => $ownerPath);
}
+ /**
+ * remember files/folders which get unmounted
+ */
+ public static function preUmount($params) {
+ $path = $params[\OC\Files\Filesystem::signal_param_path];
+ $user = \OCP\USER::getUser();
+
+ $view = new \OC\Files\View();
+ $itemType = $view->is_dir('/' . $user . '/files' . $path) ? 'folder' : 'file';
+
+ $util = new Util($view, $user);
+ list($owner, $ownerPath) = $util->getUidAndFilename($path);
+
+ self::$umountedFiles[$params[\OC\Files\Filesystem::signal_param_path]] = array(
+ 'uid' => $owner,
+ 'path' => $ownerPath,
+ 'itemType' => $itemType);
+ }
+
+ public static function postUmount($params) {
+
+ if (!isset(self::$umountedFiles[$params[\OC\Files\Filesystem::signal_param_path]])) {
+ return true;
+ }
+
+ $umountedFile = self::$umountedFiles[$params[\OC\Files\Filesystem::signal_param_path]];
+ $path = $umountedFile['path'];
+ $user = $umountedFile['uid'];
+ $itemType = $umountedFile['itemType'];
+
+ $view = new \OC\Files\View();
+ $util = new Util($view, $user);
+
+ // we don't need to remember the file any longer
+ unset(self::$umountedFiles[$params[\OC\Files\Filesystem::signal_param_path]]);
+
+ // if we unshare a folder we need a list of all (sub-)files
+ if ($itemType === 'folder') {
+ $allFiles = $util->getAllFiles($path);
+ } else {
+ $allFiles = array($path);
+ }
+
+ foreach ($allFiles as $path) {
+
+ // check if the user still has access to the file, otherwise delete share key
+ $sharingUsers = $result = \OCP\Share::getUsersSharingFile($path, $user);
+ if (!in_array(\OCP\User::getUser(), $sharingUsers['users'])) {
+ Keymanager::delShareKey($view, array(\OCP\User::getUser()), $path);
+ }
+ }
+ }
+
}
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