From 2acc97cc251dfaee9013be1f4075c6d26ce3309c Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Tue, 10 Jun 2025 19:47:30 +0200
Subject: fix: only store object store config for user when multiple object
 stores are enabled

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 .../Files/ObjectStore/PrimaryObjectStoreConfig.php    | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

(limited to 'lib/private/Files/ObjectStore/PrimaryObjectStoreConfig.php')

diff --git a/lib/private/Files/ObjectStore/PrimaryObjectStoreConfig.php b/lib/private/Files/ObjectStore/PrimaryObjectStoreConfig.php
index 6d265c8e664..65ee8c0df6c 100644
--- a/lib/private/Files/ObjectStore/PrimaryObjectStoreConfig.php
+++ b/lib/private/Files/ObjectStore/PrimaryObjectStoreConfig.php
@@ -99,6 +99,11 @@ class PrimaryObjectStoreConfig {
 		return $objectStore || $objectStoreMultiBucket;
 	}
 
+	public function hasMultipleObjectStorages(): bool {
+		$objectStore = $this->config->getSystemValue('objectstore', []);
+		return isset($objectStore['default']);
+	}
+
 	/**
 	 * @return ?array<string, ObjectStoreConfig|string>
 	 */
@@ -204,11 +209,15 @@ class PrimaryObjectStoreConfig {
 	}
 
 	public function getObjectStoreForUser(IUser $user): string {
-		$value = $this->config->getUserValue($user->getUID(), 'homeobjectstore', 'objectstore', null);
-		if ($value === null) {
-			$value = $this->resolveAlias('default');
-			$this->config->setUserValue($user->getUID(), 'homeobjectstore', 'objectstore', $value);
+		if ($this->hasMultipleObjectStorages()) {
+			$value = $this->config->getUserValue($user->getUID(), 'homeobjectstore', 'objectstore', null);
+			if ($value === null) {
+				$value = $this->resolveAlias('default');
+				$this->config->setUserValue($user->getUID(), 'homeobjectstore', 'objectstore', $value);
+			}
+			return $value;
+		} else {
+			return 'default';
 		}
-		return $value;
 	}
 }
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