searxng/searx/botdetection/http_accept_language.py
Markus Heiser f24d85bc4b [mod] drop: from __future__ import annotations
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2025-09-03 13:37:36 +02:00

34 lines
830 B
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
"""
Method ``http_accept_language``
-------------------------------
The ``http_accept_language`` method evaluates a request as the request of a bot
if the Accept-Language_ header is unset.
.. _Accept-Language:
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent
"""
from ipaddress import (
IPv4Network,
IPv6Network,
)
import werkzeug
import flask
from . import config
from ._helpers import too_many_requests
def filter_request(
network: IPv4Network | IPv6Network,
request: flask.Request,
cfg: config.Config, # pylint: disable=unused-argument
) -> werkzeug.Response | None:
if request.headers.get('Accept-Language', '').strip() == '':
return too_many_requests(network, "missing HTTP header Accept-Language")
return None