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/*
* Copyright (C) 2022 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 "WebRemoteFrameClient.h"
#include "MessageSenderInlines.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include <WebCore/FrameLoadRequest.h>
#include <WebCore/FrameTree.h>
#include <WebCore/HitTestResult.h>
#include <WebCore/PolicyChecker.h>
#include <WebCore/RemoteFrame.h>
namespace WebKit {
using namespace WebCore;
WebRemoteFrameClient::WebRemoteFrameClient(Ref<WebFrame>&& frame, ScopeExit<Function<void()>>&& frameInvalidator)
: WebFrameLoaderClient(WTFMove(frame), WTFMove(frameInvalidator))
{
}
WebRemoteFrameClient::~WebRemoteFrameClient() = default;
void WebRemoteFrameClient::frameDetached()
{
RefPtr coreFrame = m_frame->coreRemoteFrame();
if (!coreFrame) {
ASSERT_NOT_REACHED();
return;
}
if (RefPtr parent = coreFrame->tree().parent()) {
coreFrame->tree().detachFromParent();
parent->tree().removeChild(*coreFrame);
}
m_frame->invalidate();
}
void WebRemoteFrameClient::sizeDidChange(IntSize size)
{
m_frame->updateRemoteFrameSize(size);
}
void WebRemoteFrameClient::postMessageToRemote(FrameIdentifier source, const String& sourceOrigin, FrameIdentifier target, std::optional<SecurityOriginData> targetOrigin, const MessageWithMessagePorts& message)
{
if (auto* page = m_frame->page())
page->send(Messages::WebPageProxy::PostMessageToRemote(source, sourceOrigin, target, targetOrigin, message));
}
void WebRemoteFrameClient::changeLocation(FrameLoadRequest&& request)
{
// FIXME: FrameLoadRequest and NavigationAction can probably be refactored to share more. <rdar://116202911>
NavigationAction action(request.requester(), request.resourceRequest(), request.initiatedByMainFrame(), request.isRequestFromClientOrUserInput());
// FIXME: action.request and request are probably duplicate information. <rdar://116203126>
// FIXME: Get more parameters correct and add tests for each one. <rdar://116203354>
dispatchDecidePolicyForNavigationAction(action, action.originalRequest(), ResourceResponse(), nullptr, { }, { }, { }, { }, { }, PolicyDecisionMode::Asynchronous, [protectedFrame = Ref { m_frame }, request = WTFMove(request)] (PolicyAction policyAction) mutable {
// WebPage::loadRequest will make this load happen if needed.
// FIXME: What if PolicyAction::Ignore is sent. Is everything in the right state? We probably need to make sure the load event still happens on the parent frame. <rdar://116203453>
});
}
String WebRemoteFrameClient::renderTreeAsText(size_t baseIndent, OptionSet<RenderAsTextFlag> behavior)
{
RefPtr page = m_frame->page();
if (!page)
return "Test Error - Missing page"_s;
auto sendResult = page->sendSync(Messages::WebPageProxy::RenderTreeAsTextForTesting(m_frame->frameID(), baseIndent, behavior));
if (!sendResult.succeeded())
return "Test Error - sending WebPageProxy::RenderTreeAsTextForTesting failed"_s;
auto [result] = sendResult.takeReply();
return result;
}
void WebRemoteFrameClient::unbindRemoteAccessibilityFrames(int processIdentifier)
{
#if PLATFORM(COCOA)
// Make sure AppKit system knows about our remote UI process status now.
if (RefPtr page = m_frame->page())
page->accessibilityManageRemoteElementStatus(false, processIdentifier);
#else
UNUSED_PARAM(processIdentifier);
#endif
}
void WebRemoteFrameClient::updateRemoteFrameAccessibilityOffset(WebCore::FrameIdentifier frameID, WebCore::IntPoint offset)
{
if (RefPtr page = m_frame->page())
page->send(Messages::WebPageProxy::UpdateRemoteFrameAccessibilityOffset(frameID, offset));
}
void WebRemoteFrameClient::bindRemoteAccessibilityFrames(int processIdentifier, WebCore::FrameIdentifier frameID, Vector<uint8_t>&& dataToken, CompletionHandler<void(Vector<uint8_t>, int)>&& completionHandler)
{
RefPtr page = m_frame->page();
if (!page) {
completionHandler({ }, 0);
return;
}
auto sendResult = page->sendSync(Messages::WebPageProxy::BindRemoteAccessibilityFrames(processIdentifier, frameID, WTFMove(dataToken)));
if (!sendResult.succeeded()) {
completionHandler({ }, 0);
return;
}
auto [resultToken, processIdentifierResult] = sendResult.takeReply();
// Make sure AppKit system knows about our remote UI process status now.
#if PLATFORM(COCOA)
page->accessibilityManageRemoteElementStatus(true, processIdentifierResult);
#endif
completionHandler(resultToken, processIdentifierResult);
}
void WebRemoteFrameClient::closePage()
{
if (auto* page = m_frame->page())
page->sendClose();
}
void WebRemoteFrameClient::focus()
{
if (auto* page = m_frame->page())
page->send(Messages::WebPageProxy::FocusRemoteFrame(m_frame->frameID()));
}
void WebRemoteFrameClient::unfocus()
{
if (auto* page = m_frame->page())
page->send(Messages::WebPageProxy::SetFocus(false));
}
void WebRemoteFrameClient::documentURLForConsoleLog(CompletionHandler<void(const URL&)>&& completionHandler)
{
if (auto* page = m_frame->page())
page->sendWithAsyncReply(Messages::WebPageProxy::DocumentURLForConsoleLog(m_frame->frameID()), WTFMove(completionHandler));
else
completionHandler({ });
}
void WebRemoteFrameClient::dispatchDecidePolicyForNavigationAction(const NavigationAction& navigationAction, const ResourceRequest& request, const ResourceResponse& redirectResponse,
FormState* formState, const String& clientRedirectSourceForHistory, std::optional<WebCore::NavigationIdentifier> navigationID, std::optional<HitTestResult>&& hitTestResult, bool hasOpener, SandboxFlags sandboxFlags, PolicyDecisionMode policyDecisionMode, FramePolicyFunction&& function)
{
WebFrameLoaderClient::dispatchDecidePolicyForNavigationAction(navigationAction, request, redirectResponse, formState, clientRedirectSourceForHistory, navigationID, WTFMove(hitTestResult), hasOpener, sandboxFlags, policyDecisionMode, WTFMove(function));
}
void WebRemoteFrameClient::applyWebsitePolicies(WebsitePoliciesData&& websitePolicies)
{
RefPtr coreFrame = m_frame->coreRemoteFrame();
if (!coreFrame) {
ASSERT_NOT_REACHED();
return;
}
coreFrame->setCustomUserAgent(websitePolicies.customUserAgent);
coreFrame->setCustomUserAgentAsSiteSpecificQuirks(websitePolicies.customUserAgentAsSiteSpecificQuirks);
coreFrame->setAdvancedPrivacyProtections(websitePolicies.advancedPrivacyProtections);
coreFrame->setCustomNavigatorPlatform(websitePolicies.customNavigatorPlatform);
}
}
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