debug: add more logging around null paths with jails

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

Author: icewind1991

lib/private/Files/Cache/Wrapper/CacheJail.php

@@ -102,7 +102,11 @@ protected function getJailedPath(string $path, ?string $root = null) {
 	#[\Override]
 	protected function formatCacheEntry($entry) {
 		if (isset($entry['path'])) {
-			$entry['path'] = $this->getJailedPath($entry['path']);
+			$sourcePath = $entry['path'];
+			$entry['path'] = $this->getJailedPath($sourcePath);
+			if (is_null($entry['path'])) {
+				$this->logger->error("'$sourcePath' is not inside jail path {$this->root}", ['entry' => $entry]);
+			}
 		}
 		return $entry;
 	}

lib/private/Files/Cache/Wrapper/CacheWrapper.php

@@ -25,13 +25,15 @@ public function __construct(
 			$this->mimetypeLoader = $this->cache->mimetypeLoader;
 			$this->connection = $this->cache->connection;
 			$this->querySearchHelper = $this->cache->querySearchHelper;
+			$this->logger = $cache->logger;
 		} else {
 			if (!$dependencies) {
 				$dependencies = Server::get(CacheDependencies::class);
 			}
 			$this->mimetypeLoader = $dependencies->getMimeTypeLoader();
 			$this->connection = $dependencies->getConnection();
 			$this->querySearchHelper = $dependencies->getQuerySearchHelper();
+			$this->logger = $dependencies->getLogger();
 		}
 	}
 

lib/private/Files/View.php

@@ -1552,7 +1552,7 @@ public function getDirectoryContent(string $directory, ?string $mimeTypeFilter =
 				$content['permissions'] = $content->getPermissions() & $permissionsMask;
 			}
 			if (is_null($content['path'])) {
-				throw new \Exception('Directory listing of "' . $path . '" contains item with null path');
+				throw new \Exception('Directory listing of "' . $path . '" contains item with null path (' . $content['fileid'] . ')');
 			}
 			$ownerId = $storage->getOwner($contentPath);
 			$owner = $ownerId !== false