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synapse/tests/media/test_base.py
2023-11-21 15:29:58 -05:00

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3.3 KiB
Python

#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from unittest.mock import Mock
from synapse.media._base import add_file_headers, get_filename_from_headers
from tests import unittest
class GetFileNameFromHeadersTests(unittest.TestCase):
# input -> expected result
TEST_CASES = {
b"attachment; filename=abc.txt": "abc.txt",
b'attachment; filename="azerty"': "azerty",
b'attachment; filename="aze%20rty"': "aze%20rty",
b'attachment; filename="aze"rty"': 'aze"rty',
b'attachment; filename="azer;ty"': "azer;ty",
b"attachment; filename*=utf-8''foo%C2%A3bar": "foo£bar",
}
def tests(self) -> None:
for hdr, expected in self.TEST_CASES.items():
res = get_filename_from_headers({b"Content-Disposition": [hdr]})
self.assertEqual(
res,
expected,
f"expected output for {hdr!r} to be {expected} but was {res}",
)
class AddFileHeadersTests(unittest.TestCase):
TEST_CASES = {
# Safe values use inline.
"text/plain": b"inline; filename=file.name",
"text/csv": b"inline; filename=file.name",
"image/png": b"inline; filename=file.name",
# Unlisted values are set to attachment.
"text/html": b"attachment; filename=file.name",
"any/thing": b"attachment; filename=file.name",
# Parameters get ignored.
"text/plain; charset=utf-8": b"inline; filename=file.name",
"text/markdown; charset=utf-8; variant=CommonMark": b"attachment; filename=file.name",
# Parsed as lowercase.
"Text/Plain": b"inline; filename=file.name",
# Bad values don't choke.
"": b"attachment; filename=file.name",
";": b"attachment; filename=file.name",
}
def test_content_disposition(self) -> None:
for media_type, expected in self.TEST_CASES.items():
request = Mock()
add_file_headers(request, media_type, 0, "file.name")
# There should be a single call to set Content-Disposition.
for call in request.setHeader.call_args_list:
args, _ = call
if args[0] == b"Content-Disposition":
break
else:
self.fail(f"No Content-Disposition header found for {media_type}")
self.assertEqual(args[1], expected, media_type)
def test_no_filename(self) -> None:
request = Mock()
add_file_headers(request, "text/plain", 0, None)
request.setHeader.assert_any_call(b"Content-Disposition", b"inline")
request.reset_mock()
add_file_headers(request, "text/html", 0, None)
request.setHeader.assert_any_call(b"Content-Disposition", b"attachment")