1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
# Copyright 2019 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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")
|
