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/*
* Copyright (C) 2023 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 "WebFrameLoaderClient.h"
#include "FormDataReference.h"
#include "FrameInfoData.h"
#include "Logging.h"
#include "MessageSenderInlines.h"
#include "NavigationActionData.h"
#include "WebDocumentLoader.h"
#include "WebFrame.h"
#include "WebMouseEvent.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include "WebProcess.h"
#include <WebCore/FrameLoader.h>
#include <WebCore/LocalFrame.h>
#include <WebCore/PolicyChecker.h>
#define WebFrameLoaderClient_PREFIX_PARAMETERS "%p - [webFrame=%p, webFrameID=%" PRIu64 ", webPage=%p, webPageID=%" PRIu64 "] WebFrameLoaderClient::"
#define WebFrameLoaderClient_WEBFRAME (&webFrame())
#define WebFrameLoaderClient_WEBFRAMEID (webFrame().frameID().object().toUInt64())
#define WebFrameLoaderClient_WEBPAGE (webFrame().page())
#define WebFrameLoaderClient_WEBPAGEID (WebFrameLoaderClient_WEBPAGE ? WebFrameLoaderClient_WEBPAGE->identifier().toUInt64() : 0)
#define WebFrameLoaderClient_RELEASE_LOG(channel, fmt, ...) RELEASE_LOG(channel, WebFrameLoaderClient_PREFIX_PARAMETERS fmt, this, WebFrameLoaderClient_WEBFRAME, WebFrameLoaderClient_WEBFRAMEID, WebFrameLoaderClient_WEBPAGE, WebFrameLoaderClient_WEBPAGEID, ##__VA_ARGS__)
#define WebFrameLoaderClient_RELEASE_LOG_ERROR(channel, fmt, ...) RELEASE_LOG_ERROR(channel, WebFrameLoaderClient_PREFIX_PARAMETERS fmt, this, WebFrameLoaderClient_WEBFRAME, WebFrameLoaderClient_WEBFRAMEID, WebFrameLoaderClient_WEBPAGE, WebFrameLoaderClient_WEBPAGEID, ##__VA_ARGS__)
namespace WebKit {
using namespace WebCore;
WebFrameLoaderClient::WebFrameLoaderClient(Ref<WebFrame>&& frame)
: m_frame(WTFMove(frame))
{
}
void WebFrameLoaderClient::dispatchDecidePolicyForNavigationAction(const NavigationAction& navigationAction, const ResourceRequest& request, const ResourceResponse& redirectResponse, FormState* formState, PolicyDecisionMode policyDecisionMode, WebCore::PolicyCheckIdentifier requestIdentifier, FramePolicyFunction&& function)
{
auto* webPage = m_frame->page();
if (!webPage) {
WebFrameLoaderClient_RELEASE_LOG_ERROR(Network, "dispatchDecidePolicyForNavigationAction: ignoring because there's no web page");
function(PolicyAction::Ignore, requestIdentifier);
return;
}
LOG(Loading, "WebProcess %i - dispatchDecidePolicyForNavigationAction to request url %s", getCurrentProcessID(), request.url().string().utf8().data());
// Always ignore requests with empty URLs.
if (request.isEmpty()) {
WebFrameLoaderClient_RELEASE_LOG_ERROR(Network, "dispatchDecidePolicyForNavigationAction: ignoring because request is empty");
function(PolicyAction::Ignore, requestIdentifier);
return;
}
uint64_t listenerID = m_frame->setUpPolicyListener(requestIdentifier, WTFMove(function), WebFrame::ForNavigationAction::Yes);
ASSERT(navigationAction.requester());
auto& requester = navigationAction.requester().value();
if (!requester.frameID) {
WebFrameLoaderClient_RELEASE_LOG_ERROR(Network, "dispatchDecidePolicyForNavigationAction: ignoring because frame does not exist");
function(PolicyAction::Ignore, requestIdentifier);
ASSERT_NOT_REACHED();
return;
}
auto* requestingFrame = WebProcess::singleton().webFrame(*requester.frameID);
auto originatingFrameID = *requester.frameID;
std::optional<WebCore::FrameIdentifier> parentFrameID;
if (auto* parentFrame = requestingFrame ? requestingFrame->parentFrame() : nullptr)
parentFrameID = parentFrame->frameID();
FrameInfoData originatingFrameInfoData {
navigationAction.initiatedByMainFrame() == InitiatedByMainFrame::Yes,
FrameType::Local,
ResourceRequest { requester.url },
requester.securityOrigin->data(),
{ },
WTFMove(originatingFrameID),
WTFMove(parentFrameID),
getCurrentProcessID()
};
std::optional<WebPageProxyIdentifier> originatingPageID;
if (auto* webPage = requester.pageID ? WebProcess::singleton().webPage(*requester.pageID) : nullptr)
originatingPageID = webPage->webPageProxyIdentifier();
// FIXME: Move all this DocumentLoader stuff to the caller, pass in the results.
RefPtr coreFrame = m_frame->coreLocalFrame();
// FIXME: When we receive a redirect after the navigation policy has been decided for the initial request,
// the provisional load's DocumentLoader needs to receive navigation policy decisions. We need a better model for this state.
RefPtr<WebDocumentLoader> documentLoader;
if (coreFrame)
documentLoader = WebDocumentLoader::loaderForWebsitePolicies(*coreFrame);
auto& mouseEventData = navigationAction.mouseEventData();
NavigationActionData navigationActionData {
navigationAction.type(),
modifiersForNavigationAction(navigationAction),
mouseButton(navigationAction),
syntheticClickType(navigationAction),
WebProcess::singleton().userGestureTokenIdentifier(navigationAction.userGestureToken()),
navigationAction.userGestureToken() ? navigationAction.userGestureToken()->authorizationToken() : std::nullopt,
webPage->canHandleRequest(request),
navigationAction.shouldOpenExternalURLsPolicy(),
navigationAction.downloadAttribute(),
mouseEventData ? mouseEventData->locationInRootViewCoordinates : FloatPoint(),
redirectResponse,
navigationAction.treatAsSameOriginNavigation(),
navigationAction.hasOpenedFrames(),
navigationAction.openedByDOMWithOpener(),
coreFrame && !!coreFrame->loader().opener(), /* hasOpener */
requester.securityOrigin->data(),
navigationAction.targetBackForwardItemIdentifier(),
navigationAction.sourceBackForwardItemIdentifier(),
navigationAction.lockHistory(),
navigationAction.lockBackForwardList(),
documentLoader ? documentLoader->clientRedirectSourceForHistory() : String(),
coreFrame ? coreFrame->loader().effectiveSandboxFlags() : SandboxFlags(),
navigationAction.privateClickMeasurement(),
requestingFrame ? requestingFrame->advancedPrivacyProtections() : OptionSet<AdvancedPrivacyProtections> { },
requestingFrame ? requestingFrame->originatorAdvancedPrivacyProtections() : OptionSet<AdvancedPrivacyProtections> { },
#if PLATFORM(MAC) || HAVE(UIKIT_WITH_MOUSE_SUPPORT)
WebHitTestResultData::fromNavigationActionAndLocalFrame(navigationAction, coreFrame.get()),
#endif
};
// Notify the UIProcess.
if (policyDecisionMode == PolicyDecisionMode::Synchronous) {
auto sendResult = webPage->sendSync(Messages::WebPageProxy::DecidePolicyForNavigationActionSync(m_frame->info(), documentLoader ? documentLoader->navigationID() : 0, navigationActionData, originatingFrameInfoData, originatingPageID, navigationAction.resourceRequest(), request, IPC::FormDataReference { request.httpBody() }));
if (!sendResult.succeeded()) {
WebFrameLoaderClient_RELEASE_LOG_ERROR(Network, "dispatchDecidePolicyForNavigationAction: ignoring because of failing to send sync IPC with error %" PUBLIC_LOG_STRING, IPC::errorAsString(sendResult.error));
m_frame->didReceivePolicyDecision(listenerID, requestIdentifier, PolicyDecision { });
return;
}
auto [policyDecision] = sendResult.takeReply();
WebFrameLoaderClient_RELEASE_LOG(Network, "dispatchDecidePolicyForNavigationAction: Got policyAction %u from sync IPC", (unsigned)policyDecision.policyAction);
m_frame->didReceivePolicyDecision(listenerID, requestIdentifier, PolicyDecision { policyDecision.isNavigatingToAppBoundDomain, policyDecision.policyAction, 0, policyDecision.downloadID });
return;
}
ASSERT(policyDecisionMode == PolicyDecisionMode::Asynchronous);
webPage->sendWithAsyncReply(Messages::WebPageProxy::DecidePolicyForNavigationActionAsync(m_frame->info(), documentLoader ? documentLoader->navigationID() : 0, navigationActionData, originatingFrameInfoData, originatingPageID, navigationAction.resourceRequest(), request, IPC::FormDataReference { request.httpBody() }), [thisPointerForLog = this, frame = m_frame, listenerID, requestIdentifier] (PolicyDecision&& policyDecision) {
RELEASE_LOG(Network, WebFrameLoaderClient_PREFIX_PARAMETERS "dispatchDecidePolicyForNavigationAction: Got policyAction %u from async IPC", thisPointerForLog, frame.ptr(), frame->frameID().object().toUInt64(), frame->page(), frame->page() ? frame->page()->identifier().toUInt64() : 0, (unsigned)policyDecision.policyAction);
frame->didReceivePolicyDecision(listenerID, requestIdentifier, WTFMove(policyDecision));
});
}
void WebFrameLoaderClient::broadcastFrameRemovalToOtherProcesses()
{
auto* webPage = m_frame->page();
if (!webPage) {
ASSERT_NOT_REACHED();
return;
}
webPage->send(Messages::WebPageProxy::BroadcastFrameRemovalToOtherProcesses(m_frame->frameID()));
}
}
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