77 lines
2.5 KiB
Python
77 lines
2.5 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2023 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from typing import Set
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from parameterized import parameterized
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from synapse.http.proxy import (
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HOP_BY_HOP_HEADERS_LOWERCASE,
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parse_connection_header_value,
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)
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from tests.unittest import TestCase
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def mix_case(s: str) -> str:
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"""
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Mix up the case of each character in the string (upper or lower case)
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"""
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return "".join(c.upper() if i % 2 == 0 else c.lower() for i, c in enumerate(s))
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class ProxyTests(TestCase):
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@parameterized.expand(
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[
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[b"close, X-Foo, X-Bar", {"close", "x-foo", "x-bar"}],
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# No whitespace
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[b"close,X-Foo,X-Bar", {"close", "x-foo", "x-bar"}],
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# More whitespace
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[b"close, X-Foo, X-Bar", {"close", "x-foo", "x-bar"}],
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# "close" directive in not the first position
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[b"X-Foo, X-Bar, close", {"x-foo", "x-bar", "close"}],
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# Normalizes header capitalization
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[b"keep-alive, x-fOo, x-bAr", {"keep-alive", "x-foo", "x-bar"}],
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# Handles header names with whitespace
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[
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b"keep-alive, x foo, x bar",
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{"keep-alive", "x foo", "x bar"},
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],
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# Make sure we handle all of the hop-by-hop headers
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[
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mix_case(", ".join(HOP_BY_HOP_HEADERS_LOWERCASE)).encode("ascii"),
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HOP_BY_HOP_HEADERS_LOWERCASE,
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],
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]
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)
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def test_parse_connection_header_value(
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self,
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connection_header_value: bytes,
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expected_extra_headers_to_remove: Set[str],
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) -> None:
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"""
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Tests that the connection header value is parsed correctly
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"""
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self.assertIncludes(
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expected_extra_headers_to_remove,
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parse_connection_header_value(connection_header_value),
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exact=True,
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)
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