mirror of https://github.com/searxng/searxng.git
25 lines
599 B
Python
25 lines
599 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
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
from typing import Optional, Tuple
|
||
|
|
import flask
|
||
|
|
|
||
|
|
|
||
|
|
def filter_request(request: flask.Request) -> Optional[Tuple[int, str]]:
|
||
|
|
if 'text/html' not in request.accept_mimetypes:
|
||
|
|
return 429, "bot detected, HTTP header Accept did not contain text/html"
|
||
|
|
return None
|