searxng/searx/botdetection/http_accept.py

30 lines
745 B
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""
Method ``http_accept``
----------------------
The ``http_accept`` method evaluates a request as the request of a bot if the
Accept_ header ..
- did not contain ``text/html``
.. _Accept:
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept
"""
# pylint: disable=unused-argument
from typing import Optional
import flask
import werkzeug
from searx.tools import config
from ._helpers import too_many_requests
def filter_request(request: flask.Request, cfg: config.Config) -> Optional[werkzeug.Response]:
if 'text/html' not in request.accept_mimetypes:
return too_many_requests(request, "HTTP header Accept did not contain text/html")
return None