From 17c311bf47a72a40f88f9e94254f94bf1c98f6f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julius=20H=C3=A4rtl?= <jus@bitgrid.net>
Date: Thu, 9 Nov 2023 00:10:07 +0100
Subject: [PATCH] fix: Do not fail if node has no owner
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Signed-off-by: Julius Härtl <jus@bitgrid.net>
---
 lib/PermissionManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PermissionManager.php b/lib/PermissionManager.php
index b8673a25ea..fd77a42d8e 100644
--- a/lib/PermissionManager.php
+++ b/lib/PermissionManager.php
@@ -159,7 +159,7 @@ public function shouldWatermark(Node $node, ?string $userId = null, ?IShare $sha
 		}
 
 		if ($this->config->getAppValue(AppConfig::WATERMARK_APP_NAMESPACE, 'watermark_shareAll', 'no') === 'yes') {
-			if ($node->getOwner()->getUID() !== $userId) {
+			if ($userId === null || $node->getOwner()?->getUID() !== $userId) {
 				return true;
 			}
 		}