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25 lines
712 B
Python
25 lines
712 B
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""
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Method ``http_accept_language``
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-------------------------------
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The ``http_accept_language`` method evaluates a request as the request of a bot
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if the Accept-Language_ header is unset.
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.. _Accept-Language:
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https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent
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"""
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# pylint: disable=unused-argument
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from typing import Optional, Tuple
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import flask
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from searx.tools import config
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def filter_request(request: flask.Request, cfg: config.Config) -> Optional[Tuple[int, str]]:
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if request.headers.get('Accept-Language', '').strip() == '':
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return 429, "bot detected, missing HTTP header Accept-Language"
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return None
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