From fd23614c08e6ea87f81af6f8305fbcb6e77d0fdf Mon Sep 17 00:00:00 2001
From: Arthur Schiwon <blizzz@arthur-schiwon.de>
Date: Fri, 16 Oct 2020 12:29:35 +0200
Subject: [PATCH] fixes potential passing of null to getUserGroupIds
Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
---
lib/private/Share20/DefaultShareProvider.php | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/private/Share20/DefaultShareProvider.php b/lib/private/Share20/DefaultShareProvider.php
index ecfe282dfbf..e43529086fd 100644
--- a/lib/private/Share20/DefaultShareProvider.php
+++ b/lib/private/Share20/DefaultShareProvider.php
@@ -881,7 +881,7 @@ class DefaultShareProvider implements IShareProvider {
$cursor->closeCursor();
} elseif ($shareType === IShare::TYPE_GROUP) {
$user = $this->userManager->get($userId);
- $allGroups = $this->groupManager->getUserGroupIds($user);
+ $allGroups = ($user instanceof IUser) ? $this->groupManager->getUserGroupIds($user) : [];
/** @var Share[] $shares2 */
$shares2 = [];
--
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