From bfd0458e86b4b39eddf78e7c211689b6cb12bd23 Mon Sep 17 00:00:00 2001
From: Thomas Citharel <tcit@tcit.fr>
Date: Mon, 16 Jun 2025 08:30:31 +0200
Subject: [PATCH] fix(sharing): fix json decoding the list of groups excluded
 from sharing

json_decode() returns stdclass by default instead of an associative object, which can't be used for
array_diff or array_intersect later

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
---
 lib/private/Share20/ShareDisableChecker.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/Share20/ShareDisableChecker.php b/lib/private/Share20/ShareDisableChecker.php
index 9b8bc01558c59..821533f9a805b 100644
--- a/lib/private/Share20/ShareDisableChecker.php
+++ b/lib/private/Share20/ShareDisableChecker.php
@@ -43,7 +43,7 @@ public function sharingDisabledForUser(?string $userId) {
 
 		if ($excludeGroups && $excludeGroups !== 'no') {
 			$groupsList = $this->config->getAppValue('core', 'shareapi_exclude_groups_list', '');
-			$excludedGroups = json_decode($groupsList);
+			$excludedGroups = json_decode($groupsList, true);
 			if (is_null($excludedGroups)) {
 				$excludedGroups = explode(',', $groupsList);
 				$newValue = json_encode($excludedGroups);