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Avoid spurious errors when handling HTTP responses without body #498

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Jul 9, 2017
+9 −1
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Avoid spurious errors when handling HTTP responses without body #498

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10 changes: 9 additions & 1 deletion Release/src/http/client/http_client_asio.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1229,9 +1229,17 @@ class asio_context : public request_context, public std::enable_shared_from_this
}
}

// Check for HEAD requests and status codes which cannot contain a
// message body in HTTP/1.1 (see 3.3.3/1 of the RFC 7230).
//
// note: need to check for 'chunked' here as well, azure storage sends both
// transfer-encoding:chunked and content-length:0 (although HTTP says not to)
if (m_request.method() == U("HEAD") || (!needChunked && m_content_length == 0))
const auto status = m_response.status_code();
if (m_request.method() == U("HEAD")
|| (status >= 100 && status < 200)
|| status == status_codes::NoContent
|| status == status_codes::NotModified
|| (!needChunked && m_content_length == 0))
{
// we can stop early - no body
const auto &progress = m_request._get_impl()->_progress_handler();
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