fix(langserver): disable directory browsing in documentation server

Author: d-biehl

packages/language_server/src/robotcode/language_server/robotframework/parts/code_action_documentation.py

@@ -1,14 +1,17 @@
 from __future__ import annotations
 
 import contextlib
+import io
 import multiprocessing as mp
 import socket
 import threading
 import traceback
 import urllib.parse
 from concurrent.futures import ProcessPoolExecutor
 from dataclasses import dataclass
+from http import HTTPStatus
 from http.server import SimpleHTTPRequestHandler, ThreadingHTTPServer
+from os import PathLike
 from string import Template
 from threading import Thread
 from typing import TYPE_CHECKING, Any, List, Optional, Tuple, Union, cast
@@ -115,6 +118,14 @@ def log_message(self, format: str, *args: Any) -> None:
     def log_error(self, format: str, *args: Any) -> None:
         self._logger.error(lambda: f"{self.address_string()} - {format % args}")
 
+    def list_directory(self, _path: Union[str, PathLike[str]]) -> io.BytesIO | None:
+        self.send_error(
+            HTTPStatus.FORBIDDEN,
+            "You don't have permission to access this resource.",
+            "Directory browsing is not allowed.",
+        )
+        return None
+
     def do_GET(self) -> None:  # noqa: N802
         query = parse_qs(urlparse(self.path).query)
         name = n[0] if (n := query.get("name", [])) else None