fix: check free space in the proper folder when restoring from trash

Signed-off-by: Robin Appelman <robin@icewind.nl>

Author: icewind1991

apps/files_trashbin/lib/Sabre/TrashbinPlugin.php

@@ -13,6 +13,8 @@
 use OC\Files\View;
 use OCA\DAV\Connector\Sabre\FilesPlugin;
 use OCA\Files_Trashbin\Trash\ITrashItem;
+use OCP\Files\IRootFolder;
+use OCP\Files\Mount\IMountManager;
 use OCP\IPreview;
 use Psr\Log\LoggerInterface;
 use Sabre\DAV\INode;
@@ -44,6 +46,8 @@ class TrashbinPlugin extends ServerPlugin {
 	public function __construct(
 		private readonly IPreview $previewManager,
 		private readonly View $view,
+		private readonly IRootFolder $rootFolder,
+		private readonly IMountManager $mountManager,
 	) {
 	}
 
@@ -175,7 +179,16 @@ public function beforeMove(string $sourcePath, string $destinationPath): bool {
 			return true;
 		}
 
-		$freeSpace = $this->view->free_space($destinationParentPath);
+		$userFolder = $this->rootFolder->getUserFolder($fileInfo->getUser()->getUID());
+		$originalPath = $userFolder->getFullPath(dirname($fileInfo->getOriginalLocation()));
+
+		// Since the parent folder might no longer exist, we don't try to get the parent node to check the free space
+		// instead we resolve the mount where the restore would go to, and check that for the free space
+		$originalMount = $this->mountManager->find($originalPath);
+		if (!$originalMount) {
+			throw new \Exception('no mount found when looking for restore path');
+		}
+		$freeSpace = $originalMount->getStorage()->free_space($originalMount->getInternalPath($originalPath));
 
 		if (
 			$freeSpace === FileInfo::SPACE_NOT_COMPUTED