When changing the share owner, downgrade permissions where needed

Signed-off-by: Julius Härtl <jus@bitgrid.net>

diff --git a/apps/files_sharing/lib/Updater.php b/apps/files_sharing/lib/Updater.php
index 5542a0d7c4593ba6def543c1258d7c73d264409e..e22445f91fc2863e7786b8ba67ba0e7b53a79d6a 100644 (file)
--- a/apps/files_sharing/lib/Updater.php
+++ b/apps/files_sharing/lib/Updater.php
@@ -88,6 +88,7 @@ class Updater {
                                continue;
                        }
                        $share->setShareOwner($newOwner);
+                       $share->setPermissions($share->getPermissions() & $dstMount->getShare()->getPermissions());
                        $shareManager->updateShare($share);
                }
        }