From c008d5068424054c8b9d9c48675eb8c1968b4bd2 Mon Sep 17 00:00:00 2001
From: Salvatore Martire <4652631+salmart-dev@users.noreply.github.com>
Date: Wed, 23 Sep 2026 11:19:44 +0200
Subject: [PATCH] fix: never block simple renames in SharesPlugin

Signed-off-by: Salvatore Martire <4652631+salmart-dev@users.noreply.github.com>
---
 apps/dav/lib/Connector/Sabre/SharesPlugin.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/dav/lib/Connector/Sabre/SharesPlugin.php b/apps/dav/lib/Connector/Sabre/SharesPlugin.php
index 3b2e3ca3e8361..ce99fdc07bdfb 100644
--- a/apps/dav/lib/Connector/Sabre/SharesPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/SharesPlugin.php
@@ -242,6 +242,13 @@ public function handleGetProperties(
 	 * For share creation we already ensure this in the share manager.
 	 */
 	public function validateMoveOrCopy(string $source, string $target): bool {
+		[$sourceParent, ] = \Sabre\Uri\split($source);
+		[$targetParent, ] = \Sabre\Uri\split($target);
+		if ($sourceParent === $targetParent) {
+			// this is a simple rename in the same folder, allow it
+			return true;
+		}
+
 		try {
 			$targetNode = $this->tree->getNodeForPath($target);
 		} catch (NotFound) {