Merge pull request #30999 from nextcloud/backport/30985/stable23

[stable23] Use the unjailed-path in OC_Helper::getStorageInfo() for files located in SharedStorage.

Author: szaimen

lib/private/legacy/OC_Helper.php

@@ -506,6 +506,9 @@ public static function getStorageInfo($path, $rootInfo = null) {
 		if ($storage->instanceOfStorage('\OCA\Files_Sharing\SharedStorage')) {
 			$includeExtStorage = false;
 			$sourceStorage = $storage->getSourceStorage();
+			$internalPath = $storage->getUnjailedPath($rootInfo->getInternalPath());
+		} else {
+			$internalPath = $rootInfo->getInternalPath();
 		}
 		if ($includeExtStorage) {
 			if ($storage->instanceOfStorage('\OC\Files\Storage\Home')
@@ -528,7 +531,7 @@ public static function getStorageInfo($path, $rootInfo = null) {
 			/** @var \OC\Files\Storage\Wrapper\Quota $storage */
 			$quota = $sourceStorage->getQuota();
 		}
-		$free = $sourceStorage->free_space($rootInfo->getInternalPath());
+		$free = $sourceStorage->free_space($internalPath);
 		if ($free >= 0) {
 			$total = $free + $used;
 		} else {