if (!path.startsWith("/") || path.contains("..")) throw new FileNotFoundException();

      File file = new File(root + path);
      return file.isDirectory()
          ? directoryToResponse(path, file)
          : fileToResponse(path, file);
    } catch (FileNotFoundException e) {
      return new MockResponse()
          .setStatus("HTTP/1.1 404")
          .addHeader("content-type: text/plain; charset=utf-8")