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Fix an issue that reason phrase is missing as expected from HTTP/2 server #3879

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merged 4 commits into from
Aug 10, 2022
Merged

Fix an issue that reason phrase is missing as expected from HTTP/2 server #3879

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c04b319
Fix an issue that reason phrase is missing as expected from HTTP/2 se…
keshen-msft Aug 9, 2022
f3f7128
reverse the condition
keshen-msft Aug 9, 2022
d8e10dc
compact comments
keshen-msft Aug 9, 2022
b239c0f
fix clang format
keshen-msft Aug 9, 2022
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30 changes: 20 additions & 10 deletions sdk/core/azure-core/src/http/winhttp/win_http_transport.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -622,17 +622,27 @@ std::unique_ptr<RawResponse> WinHttpTransport::SendRequestAndGetResponse(
std::string reasonPhrase;
DWORD sizeOfReasonPhrase = sizeOfHeaders;

if (WinHttpQueryHeaders(
handleManager->m_requestHandle,
WINHTTP_QUERY_STATUS_TEXT,
WINHTTP_HEADER_NAME_BY_INDEX,
outputBuffer.data(),
&sizeOfReasonPhrase,
WINHTTP_NO_HEADER_INDEX))
// HTTP/2 does not support reason phrase, refer to
// https://www.rfc-editor.org/rfc/rfc7540#section-8.1.2.4.
if (majorVersion == 1)
{
start = outputBuffer.begin();
reasonPhrase
= WideStringToString(std::wstring(start, start + sizeOfReasonPhrase / sizeof(WCHAR)));
if (WinHttpQueryHeaders(
handleManager->m_requestHandle,
WINHTTP_QUERY_STATUS_TEXT,
WINHTTP_HEADER_NAME_BY_INDEX,
outputBuffer.data(),
&sizeOfReasonPhrase,
WINHTTP_NO_HEADER_INDEX))
{
// even with HTTP/1.1, we cannot assume that reason phrase is set since it is optional
// according to https://www.rfc-editor.org/rfc/rfc2616.html#section-6.1.1.
if (sizeOfReasonPhrase > 0)
{
start = outputBuffer.begin();
reasonPhrase
= WideStringToString(std::wstring(start, start + sizeOfReasonPhrase / sizeof(WCHAR)));
}
}
}

// Allocate the instance of the response on the heap with a shared ptr so this memory gets
Expand Down