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LibHTTP: Use 'close' as the default value for Connection in HTTP/1.0

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Unlike HTTP/1.1 and above, the default behaviour for HTTP/1.0 servers
is to close the connection after sending the response.
This commit is contained in:
Idan Horowitz 2022-10-01 18:11:36 +03:00 • committed by Andreas Kling
parent 66bde66f49
commit 7578039188
Notes: sideshowbarker 2024-07-17 06:29:22 +09:00
2 changed files with 14 additions and 2 deletions
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15
Userland/Libraries/LibHTTP/Job.cpp
View file

@ -5,6 +5,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/CharacterTypes.h>
#include <AK/Debug.h>
#include <AK/JsonObject.h>
#include <LibCompress/Brotli.h>
@ -277,6 +278,15 @@ void Job::on_socket_connected()
dbgln("Job: Expected 2-part or 3-part HTTP status line, got '{}'", line);
return deferred_invoke([this] { did_fail(Core::NetworkJob::Error::ProtocolFailed); });
}
if (!parts[0].matches("HTTP/?.?"sv, CaseSensitivity::CaseSensitive) || !is_ascii_digit(parts[0][5]) || !is_ascii_digit(parts[0][7])) {
dbgln("Job: Expected HTTP-Version to be of the form 'HTTP/X.Y', got '{}'", parts[0]);
return deferred_invoke([this] { did_fail(Core::NetworkJob::Error::ProtocolFailed); });
}
auto http_major_version = parse_ascii_digit(parts[0][5]);
auto http_minor_version = parse_ascii_digit(parts[0][7]);
m_legacy_connection = http_major_version < 1 || (http_major_version == 1 && http_minor_version == 0);
auto code = parts[1].to_uint();
if (!code.has_value()) {
dbgln("Job: Expected numeric HTTP status");
@ -641,8 +651,9 @@ void Job::finish_up()
auto response = HttpResponse::create(m_code, move(m_headers), m_received_size);
deferred_invoke([this, response = move(response)] {
// If the server responded with "Connection: close", close the connection
// as the server may or may not want to close the socket.
if (auto result = response->headers().get("Connection"sv); result.has_value() && result.value().equals_ignoring_case("close"sv))
// as the server may or may not want to close the socket. Also, if this is
// a legacy HTTP server (1.0 or older), assume close is the default value.
if (auto result = response->headers().get("Connection"sv); result.has_value() ? result->equals_ignoring_case("close"sv) : m_legacy_connection)
shutdown(ShutdownMode::CloseSocket);
did_finish(response);
});

1
Userland/Libraries/LibHTTP/Job.h
View file

@ -52,6 +52,7 @@ protected:
HttpRequest m_request;
State m_state { State::InStatus };
Core::Stream::BufferedSocketBase* m_socket { nullptr };
bool m_legacy_connection { false };
int m_code { -1 };
HashMap<String, String, CaseInsensitiveStringTraits> m_headers;
Vector<String> m_set_cookie_headers;