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35 lines
830 B
Python
35 lines
830 B
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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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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from ipaddress import (
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IPv4Network,
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IPv6Network,
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)
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import werkzeug
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import flask
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from . import config
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from ._helpers import too_many_requests
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def filter_request(
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network: IPv4Network | IPv6Network,
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request: flask.Request,
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cfg: config.Config, # pylint: disable=unused-argument
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) -> werkzeug.Response | None:
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if request.headers.get('Accept-Language', '').strip() == '':
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return too_many_requests(network, "missing HTTP header Accept-Language")
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return None
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