fix(dav): do not list intermediate upload folders

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

Author: susnux

apps/dav/lib/Upload/RootCollection.php

@@ -39,6 +39,7 @@ public function __construct(PrincipalBackend\BackendInterface $principalBackend,
 								CleanupService $cleanupService) {
 		parent::__construct($principalBackend, $principalPrefix);
 		$this->cleanupService = $cleanupService;
+		$this->disableListing = true;
 	}
 
 	/**

apps/dav/lib/Upload/UploadHome.php

@@ -29,6 +29,7 @@
 use OC\Files\View;
 use OCA\DAV\Connector\Sabre\Directory;
 use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\Exception\MethodNotAllowed;
 use Sabre\DAV\ICollection;
 
 class UploadHome implements ICollection {
@@ -59,9 +60,7 @@ public function getChild($name): UploadFolder {
 	}
 
 	public function getChildren(): array {
-		return array_map(function ($node) {
-			return new UploadFolder($node, $this->cleanupService);
-		}, $this->impl()->getChildren());
+		throw new MethodNotAllowed('Listing members of this collection is disabled');
 	}
 
 	public function childExists($name): bool {