83 lines
3.2 KiB
Python
83 lines
3.2 KiB
Python
# Copyright 2019 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest.mock import Mock
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from synapse.media._base import add_file_headers, get_filename_from_headers
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from tests import unittest
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class GetFileNameFromHeadersTests(unittest.TestCase):
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# input -> expected result
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TEST_CASES = {
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b"attachment; filename=abc.txt": "abc.txt",
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b'attachment; filename="azerty"': "azerty",
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b'attachment; filename="aze%20rty"': "aze%20rty",
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b'attachment; filename="aze"rty"': 'aze"rty',
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b'attachment; filename="azer;ty"': "azer;ty",
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b"attachment; filename*=utf-8''foo%C2%A3bar": "foo£bar",
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}
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def tests(self) -> None:
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for hdr, expected in self.TEST_CASES.items():
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res = get_filename_from_headers({b"Content-Disposition": [hdr]})
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self.assertEqual(
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res,
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expected,
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f"expected output for {hdr!r} to be {expected} but was {res}",
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)
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class AddFileHeadersTests(unittest.TestCase):
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TEST_CASES = {
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# Safe values use inline.
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"text/plain": b"inline; filename=file.name",
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"text/csv": b"inline; filename=file.name",
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"image/png": b"inline; filename=file.name",
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# Unlisted values are set to attachment.
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"text/html": b"attachment; filename=file.name",
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"any/thing": b"attachment; filename=file.name",
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# Parameters get ignored.
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"text/plain; charset=utf-8": b"inline; filename=file.name",
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"text/markdown; charset=utf-8; variant=CommonMark": b"attachment; filename=file.name",
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# Parsed as lowercase.
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"Text/Plain": b"inline; filename=file.name",
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# Bad values don't choke.
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"": b"attachment; filename=file.name",
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";": b"attachment; filename=file.name",
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}
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def test_content_disposition(self) -> None:
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for media_type, expected in self.TEST_CASES.items():
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request = Mock()
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add_file_headers(request, media_type, 0, "file.name")
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# There should be a single call to set Content-Disposition.
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for call in request.setHeader.call_args_list:
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args, _ = call
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if args[0] == b"Content-Disposition":
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break
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else:
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self.fail(f"No Content-Disposition header found for {media_type}")
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self.assertEqual(args[1], expected, media_type)
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def test_no_filename(self) -> None:
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request = Mock()
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add_file_headers(request, "text/plain", 0, None)
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request.setHeader.assert_any_call(b"Content-Disposition", b"inline")
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request.reset_mock()
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add_file_headers(request, "text/html", 0, None)
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request.setHeader.assert_any_call(b"Content-Disposition", b"attachment")
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