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/*
* Copyright (C) 2016-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "PingLoad.h"
#if USE(NETWORK_SESSION)
#include "AuthenticationManager.h"
#include "Logging.h"
#include "NetworkCORSPreflightChecker.h"
#include "SessionTracker.h"
#define RELEASE_LOG_IF_ALLOWED(fmt, ...) RELEASE_LOG_IF(m_parameters.sessionID.isAlwaysOnLoggingAllowed(), Network, "%p - PingLoad::" fmt, this, ##__VA_ARGS__)
namespace WebKit {
using namespace WebCore;
PingLoad::PingLoad(NetworkResourceLoadParameters&& parameters)
: m_parameters(WTFMove(parameters))
, m_timeoutTimer(*this, &PingLoad::timeoutTimerFired)
{
// If the server never responds, this object will hang around forever.
// Set a very generous timeout, just in case.
m_timeoutTimer.startOneShot(60000_s);
if (needsCORSPreflight(m_parameters.request))
doCORSPreflight(m_parameters.request);
else
startNetworkLoad();
}
PingLoad::~PingLoad()
{
if (m_task) {
ASSERT(m_task->client() == this);
m_task->clearClient();
m_task->cancel();
}
}
void PingLoad::startNetworkLoad()
{
RELEASE_LOG_IF_ALLOWED("startNetworkLoad");
if (auto* networkSession = SessionTracker::networkSession(m_parameters.sessionID)) {
m_task = NetworkDataTask::create(*networkSession, *this, m_parameters);
m_task->resume();
} else
ASSERT_NOT_REACHED();
}
void PingLoad::willPerformHTTPRedirection(ResourceResponse&&, ResourceRequest&& request, RedirectCompletionHandler&& completionHandler)
{
RELEASE_LOG_IF_ALLOWED("willPerformHTTPRedirection");
// FIXME: Do a CORS preflight if necessary.
// FIXME: We should ensure the number of redirects does not exceed 20.
completionHandler(m_parameters.shouldFollowRedirects ? request : ResourceRequest());
}
void PingLoad::didReceiveChallenge(const AuthenticationChallenge&, ChallengeCompletionHandler&& completionHandler)
{
RELEASE_LOG_IF_ALLOWED("didReceiveChallenge");
completionHandler(AuthenticationChallengeDisposition::Cancel, { });
delete this;
}
void PingLoad::didReceiveResponseNetworkSession(ResourceResponse&&, ResponseCompletionHandler&& completionHandler)
{
RELEASE_LOG_IF_ALLOWED("didReceiveResponseNetworkSession");
completionHandler(PolicyAction::PolicyIgnore);
delete this;
}
void PingLoad::didReceiveData(Ref<SharedBuffer>&&)
{
RELEASE_LOG_IF_ALLOWED("didReceiveData");
ASSERT_NOT_REACHED();
}
void PingLoad::didCompleteWithError(const ResourceError& error, const NetworkLoadMetrics&)
{
if (error.isNull())
RELEASE_LOG_IF_ALLOWED("didComplete");
else
RELEASE_LOG_IF_ALLOWED("didCompleteWithError, error_code: %d", error.errorCode());
delete this;
}
void PingLoad::didSendData(uint64_t totalBytesSent, uint64_t totalBytesExpectedToSend)
{
}
void PingLoad::wasBlocked()
{
RELEASE_LOG_IF_ALLOWED("wasBlocked");
delete this;
}
void PingLoad::cannotShowURL()
{
RELEASE_LOG_IF_ALLOWED("cannotShowURL");
delete this;
}
void PingLoad::timeoutTimerFired()
{
RELEASE_LOG_IF_ALLOWED("timeoutTimerFired");
delete this;
}
bool PingLoad::needsCORSPreflight(const ResourceRequest& request) const
{
if (m_parameters.mode == FetchOptions::Mode::Cors) {
ASSERT(m_parameters.sourceOrigin);
return !m_parameters.sourceOrigin->canRequest(request.url());
}
return false;
}
void PingLoad::doCORSPreflight(const ResourceRequest& request)
{
RELEASE_LOG_IF_ALLOWED("doCORSPreflight");
ASSERT(!m_corsPreflightChecker);
ASSERT(m_parameters.sourceOrigin);
NetworkCORSPreflightChecker::Parameters parameters = {
request,
*m_parameters.sourceOrigin,
m_parameters.sessionID,
m_parameters.allowStoredCredentials
};
m_corsPreflightChecker = std::make_unique<NetworkCORSPreflightChecker>(WTFMove(parameters), [this](NetworkCORSPreflightChecker::Result result) {
RELEASE_LOG_IF_ALLOWED("doCORSPreflight complete, success: %d", result == NetworkCORSPreflightChecker::Result::Success);
if (result == NetworkCORSPreflightChecker::Result::Success) {
m_corsPreflightChecker = nullptr;
startNetworkLoad();
} else
delete this;
});
m_corsPreflightChecker->startPreflight();
}
} // namespace WebKit
#endif // USE(NETWORK_SESSION)
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