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 7ca4f005b661a0f210220e9a51de3f74dbc7cc5b..afff32c650a3fc932f8130105b7a369975b2e554 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);
                }
        }