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Bug in expected_http_body_size fix (#2642)

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fixes #2618
This commit is contained in:
Suraj Tripathi 2017-11-27 23:31:32 +05:30 committed by Thomas Kriechbaumer
parent 46901d1d55
commit 5067438ec1
2 changed files with 16 additions and 1 deletions
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6
mitmproxy/net/http/http1/read.py
View File

@ -210,7 +210,11 @@ def expected_http_body_size(request, response=None):
return None
if "content-length" in headers:
try:
size = int(headers["content-length"])
sizes = headers.get_all("content-length")
different_content_length_headers = any(x != sizes[0] for x in sizes)
if different_content_length_headers:
raise exceptions.HttpSyntaxException("Conflicting Content Length Headers")
size = int(sizes[0])
if size < 0:
raise ValueError()
return size

11
test/mitmproxy/net/http/http1/test_read.py
View File

@ -194,6 +194,17 @@ def test_expected_http_body_size():
treq(headers=Headers(content_length="42"))
) == 42
# more than 1 content-length headers with same value
assert expected_http_body_size(
treq(headers=Headers([(b'content-length', b'42'), (b'content-length', b'42')]))
) == 42
# more than 1 content-length headers with conflicting value
with pytest.raises(exceptions.HttpSyntaxException):
expected_http_body_size(
treq(headers=Headers([(b'content-length', b'42'), (b'content-length', b'45')]))
)
# no length
assert expected_http_body_size(
treq(headers=Headers())