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/*
* Copyright (C) 2015-2025 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 "APINavigation.h"
#include "BrowsingWarning.h"
#include "WebBackForwardListFrameItem.h"
#include "WebBackForwardListItem.h"
#include <WebCore/RegistrableDomain.h>
#include <WebCore/ResourceRequest.h>
#include <WebCore/ResourceResponse.h>
#include <wtf/DebugUtilities.h>
#include <wtf/HexNumber.h>
#include <wtf/URL.h>
#include <wtf/text/MakeString.h>
namespace API {
using namespace WebCore;
using namespace WebKit;
static constexpr Seconds navigationActivityTimeout { 30_s };
SubstituteData::SubstituteData(Vector<uint8_t>&& content, const ResourceResponse& response, WebCore::SubstituteData::SessionHistoryVisibility sessionHistoryVisibility)
: SubstituteData(WTFMove(content), response.mimeType(), response.textEncodingName(), response.url().string(), nullptr, sessionHistoryVisibility)
{
}
Navigation::Navigation(WebCore::ProcessIdentifier processID)
: m_navigationID(WebCore::NavigationIdentifier::generate())
, m_processID(processID)
, m_clientNavigationActivity(ProcessThrottler::TimedActivity::create(navigationActivityTimeout))
{
}
Navigation::Navigation(WebCore::ProcessIdentifier processID, RefPtr<WebBackForwardListItem>&& currentAndTargetItem)
: m_navigationID(WebCore::NavigationIdentifier::generate())
, m_processID(processID)
, m_reloadItem(WTFMove(currentAndTargetItem))
, m_clientNavigationActivity(ProcessThrottler::TimedActivity::create(navigationActivityTimeout))
{
}
Navigation::Navigation(WebCore::ProcessIdentifier processID, WebCore::ResourceRequest&& request, RefPtr<WebBackForwardListItem>&& fromItem)
: m_navigationID(WebCore::NavigationIdentifier::generate())
, m_processID(processID)
, m_originalRequest(WTFMove(request))
, m_currentRequest(m_originalRequest)
, m_redirectChain { m_originalRequest.url() }
, m_fromItem(WTFMove(fromItem))
, m_clientNavigationActivity(ProcessThrottler::TimedActivity::create(navigationActivityTimeout))
{
}
Navigation::Navigation(WebCore::ProcessIdentifier processID, Ref<WebBackForwardListFrameItem>&& targetFrameItem, RefPtr<WebBackForwardListItem>&& fromItem, FrameLoadType backForwardFrameLoadType)
: m_navigationID(WebCore::NavigationIdentifier::generate())
, m_processID(processID)
, m_originalRequest(WTF::URL { targetFrameItem->protectedMainFrame()->url() })
, m_currentRequest(m_originalRequest)
, m_targetFrameItem(WTFMove(targetFrameItem))
, m_fromItem(WTFMove(fromItem))
, m_backForwardFrameLoadType(backForwardFrameLoadType)
, m_clientNavigationActivity(ProcessThrottler::TimedActivity::create(navigationActivityTimeout))
{
}
Navigation::Navigation(WebCore::ProcessIdentifier processID, std::unique_ptr<SubstituteData>&& substituteData)
: Navigation(processID)
{
ASSERT(substituteData);
m_substituteData = WTFMove(substituteData);
}
Navigation::Navigation(WebCore::ProcessIdentifier processID, WebCore::ResourceRequest&& simulatedRequest, std::unique_ptr<SubstituteData>&& substituteData, RefPtr<WebKit::WebBackForwardListItem>&& fromItem)
: Navigation(processID, WTFMove(simulatedRequest), WTFMove(fromItem))
{
ASSERT(substituteData);
m_substituteData = WTFMove(substituteData);
}
Navigation::~Navigation()
{
}
void Navigation::resetRequestStart()
{
m_requestStart = MonotonicTime::now();
}
void Navigation::setCurrentRequest(ResourceRequest&& request, ProcessIdentifier processIdentifier)
{
m_currentRequest = WTFMove(request);
m_currentRequestProcessIdentifier = processIdentifier;
}
void Navigation::appendRedirectionURL(const WTF::URL& url)
{
if (m_redirectChain.isEmpty() || m_redirectChain.last() != url)
m_redirectChain.append(url);
}
bool Navigation::currentRequestIsCrossSiteRedirect() const
{
return currentRequestIsRedirect()
&& m_lastNavigationAction
&& RegistrableDomain(m_lastNavigationAction->redirectResponse.url()) != RegistrableDomain(m_currentRequest.url());
}
WebKit::WebBackForwardListItem* Navigation::targetItem() const
{
return m_targetFrameItem ? m_targetFrameItem->backForwardListItem() : nullptr;
}
bool Navigation::isRequestFromClientOrUserInput() const
{
if (m_requestIsFromClientInput)
return true;
return m_lastNavigationAction && m_lastNavigationAction->isRequestFromClientOrUserInput;
}
void Navigation::markRequestAsFromClientInput()
{
m_requestIsFromClientInput = true;
if (m_lastNavigationAction)
m_lastNavigationAction->isRequestFromClientOrUserInput = true;
}
void Navigation::setSafeBrowsingCheckOngoing(size_t index, bool ongoing)
{
if (ongoing)
m_ongoingSafeBrowsingChecks.add(index);
else
m_ongoingSafeBrowsingChecks.remove(index);
}
bool Navigation::safeBrowsingCheckOngoing(size_t index)
{
return m_ongoingSafeBrowsingChecks.contains(index);
}
bool Navigation::safeBrowsingCheckOngoing()
{
return !m_ongoingSafeBrowsingChecks.isEmpty();
}
RefPtr<WebKit::BrowsingWarning> Navigation::safeBrowsingWarning()
{
return m_safeBrowsingWarning;
}
void Navigation::setSafeBrowsingWarning(RefPtr<WebKit::BrowsingWarning>&& safeBrowsingWarning)
{
m_safeBrowsingWarning = WTFMove(safeBrowsingWarning);
}
size_t Navigation::redirectChainIndex(const WTF::URL& url)
{
size_t index = m_redirectChain.find(url);
if (index == WTF::notFound)
index = m_redirectChain.size();
return index;
}
#if !LOG_DISABLED
WTF::String Navigation::loggingString() const
{
RefPtr targetItem = this->targetItem();
return makeString("Most recent URL: "_s, m_currentRequest.url().string(), " Back/forward list item URL: '"_s, targetItem ? targetItem->url() : WTF::String { }, "' (0x"_s, hex(reinterpret_cast<uintptr_t>(targetItem.get())), ')');
}
#endif
} // namespace API
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