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/*
* Copyright (C) 2024 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 "ModelConnectionToWebProcess.h"
#if ENABLE(MODEL_PROCESS)
#include "LayerHostingContext.h"
#include "Logging.h"
#include "MessageSenderInlines.h"
#include "ModelConnectionToWebProcessMessages.h"
#include "ModelProcess.h"
#include "ModelProcessConnectionInfo.h"
#include "ModelProcessConnectionMessages.h"
#include "ModelProcessConnectionParameters.h"
#include "ModelProcessMessages.h"
#include "ModelProcessModelPlayerManagerProxy.h"
#include "ModelProcessModelPlayerManagerProxyMessages.h"
#include "ModelProcessModelPlayerProxy.h"
#include "ModelProcessModelPlayerProxyMessages.h"
#include "ModelProcessProxyMessages.h"
#include "WebErrors.h"
#include "WebProcessMessages.h"
#include <WebCore/LogInitialization.h>
#if ENABLE(IPC_TESTING_API)
#include "IPCTesterMessages.h"
#endif
#define MESSAGE_CHECK(assertion) MESSAGE_CHECK_BASE(assertion, connection())
namespace WebKit {
using namespace WebCore;
Ref<ModelConnectionToWebProcess> ModelConnectionToWebProcess::create(ModelProcess& modelProcess, WebCore::ProcessIdentifier webProcessIdentifier, PAL::SessionID sessionID, IPC::Connection::Handle&& connectionHandle, ModelProcessConnectionParameters&& parameters)
{
return adoptRef(*new ModelConnectionToWebProcess(modelProcess, webProcessIdentifier, sessionID, WTFMove(connectionHandle), WTFMove(parameters)));
}
ModelConnectionToWebProcess::ModelConnectionToWebProcess(ModelProcess& modelProcess, WebCore::ProcessIdentifier webProcessIdentifier, PAL::SessionID sessionID, IPC::Connection::Handle&& connectionHandle, ModelProcessConnectionParameters&& parameters)
: m_modelProcessModelPlayerManagerProxy(ModelProcessModelPlayerManagerProxy::create(*this))
, m_connection(IPC::Connection::createClientConnection(IPC::Connection::Identifier { WTFMove(connectionHandle) }))
, m_modelProcess(modelProcess)
, m_webProcessIdentifier(webProcessIdentifier)
, m_webProcessIdentity(WTFMove(parameters.webProcessIdentity))
, m_sessionID(sessionID)
#if HAVE(AUDIT_TOKEN)
, m_presentingApplicationAuditToken(parameters.presentingApplicationAuditToken ? std::optional(parameters.presentingApplicationAuditToken->auditToken()) : std::nullopt)
#endif
#if ENABLE(IPC_TESTING_API)
, m_ipcTester(IPCTester::create())
#endif
, m_sharedPreferencesForWebProcess(WTFMove(parameters.sharedPreferencesForWebProcess))
{
RELEASE_ASSERT(RunLoop::isMain());
// Use this flag to force synchronous messages to be treated as asynchronous messages in the WebProcess.
// Otherwise, the WebProcess would process incoming synchronous IPC while waiting for a synchronous IPC
// reply from the model process, which would be unsafe.
m_connection->setOnlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage(true);
m_connection->open(*this);
WebKit::ModelProcessConnectionInfo info {
#if HAVE(AUDIT_TOKEN)
modelProcess.parentProcessConnection()->getAuditToken(),
#endif
};
m_connection->send(Messages::ModelProcessConnection::DidInitialize(info), 0);
++gObjectCountForTesting;
}
ModelConnectionToWebProcess::~ModelConnectionToWebProcess()
{
RELEASE_ASSERT(RunLoop::isMain());
m_connection->invalidate();
--gObjectCountForTesting;
}
uint64_t ModelConnectionToWebProcess::gObjectCountForTesting = 0;
void ModelConnectionToWebProcess::didClose(IPC::Connection& connection)
{
modelProcess().connectionToWebProcessClosed(connection);
modelProcess().removeModelConnectionToWebProcess(*this); // May destroy |this|.
}
#if HAVE(VISIBILITY_PROPAGATION_VIEW)
void ModelConnectionToWebProcess::createVisibilityPropagationContextForPage(WebPageProxyIdentifier pageProxyID, WebCore::PageIdentifier pageID, bool canShowWhileLocked)
{
auto contextForVisibilityPropagation = LayerHostingContext::createForExternalHostingProcess({ canShowWhileLocked });
RELEASE_LOG(Process, "ModelConnectionToWebProcess::createVisibilityPropagationContextForPage: pageProxyID=%" PRIu64 ", webPageID=%" PRIu64 ", contextID=%u", pageProxyID.toUInt64(), pageID.toUInt64(), contextForVisibilityPropagation->contextID());
modelProcess().send(Messages::ModelProcessProxy::DidCreateContextForVisibilityPropagation(pageProxyID, pageID, contextForVisibilityPropagation->contextID()));
m_visibilityPropagationContexts.add(std::make_pair(pageProxyID, pageID), WTFMove(contextForVisibilityPropagation));
}
void ModelConnectionToWebProcess::destroyVisibilityPropagationContextForPage(WebPageProxyIdentifier pageProxyID, WebCore::PageIdentifier pageID)
{
RELEASE_LOG(Process, "ModelConnectionToWebProcess::destroyVisibilityPropagationContextForPage: pageProxyID=%" PRIu64 ", webPageID=%" PRIu64, pageProxyID.toUInt64(), pageID.toUInt64());
auto key = std::make_pair(pageProxyID, pageID);
ASSERT(m_visibilityPropagationContexts.contains(key));
m_visibilityPropagationContexts.remove(key);
}
#endif
void ModelConnectionToWebProcess::configureLoggingChannel(const String& channelName, WTFLogChannelState state, WTFLogLevel level)
{
#if !RELEASE_LOG_DISABLED
if (auto* channel = WebCore::getLogChannel(channelName)) {
channel->state = state;
channel->level = level;
}
auto* channel = getLogChannel(channelName);
if (!channel)
return;
channel->state = state;
channel->level = level;
#else
UNUSED_PARAM(channelName);
UNUSED_PARAM(state);
UNUSED_PARAM(level);
#endif
}
bool ModelConnectionToWebProcess::allowsExitUnderMemoryPressure() const
{
// FIXME: Should allow exit if we have no models.
return false;
}
Logger& ModelConnectionToWebProcess::logger()
{
if (!m_logger) {
m_logger = Logger::create(this);
m_logger->setEnabled(this, isAlwaysOnLoggingAllowed());
}
return *m_logger;
}
void ModelConnectionToWebProcess::didReceiveInvalidMessage(IPC::Connection& connection, IPC::MessageName messageName, int32_t)
{
#if ENABLE(IPC_TESTING_API)
if (connection.ignoreInvalidMessageForTesting())
return;
#endif
RELEASE_LOG_FAULT(IPC, "Received an invalid message '%" PUBLIC_LOG_STRING "' from WebContent process %" PRIu64 ".", description(messageName).characters(), m_webProcessIdentifier.toUInt64());
m_modelProcess->parentProcessConnection()->send(Messages::ModelProcessProxy::TerminateWebProcess(m_webProcessIdentifier), 0);
}
void ModelConnectionToWebProcess::lowMemoryHandler(Critical critical, Synchronous synchronous)
{
}
bool ModelConnectionToWebProcess::dispatchMessage(IPC::Connection& connection, IPC::Decoder& decoder)
{
if (decoder.messageReceiverName() == Messages::ModelProcessModelPlayerManagerProxy::messageReceiverName()) {
modelProcessModelPlayerManagerProxy().didReceiveMessageFromWebProcess(connection, decoder);
return true;
}
if (decoder.messageReceiverName() == Messages::ModelProcessModelPlayerProxy::messageReceiverName()) {
modelProcessModelPlayerManagerProxy().didReceivePlayerMessage(connection, decoder);
return true;
}
#if ENABLE(IPC_TESTING_API)
if (decoder.messageReceiverName() == Messages::IPCTester::messageReceiverName()) {
m_ipcTester->didReceiveMessage(connection, decoder);
return true;
}
#endif
return messageReceiverMap().dispatchMessage(connection, decoder);
}
bool ModelConnectionToWebProcess::dispatchSyncMessage(IPC::Connection& connection, IPC::Decoder& decoder, UniqueRef<IPC::Encoder>& replyEncoder)
{
#if ENABLE(IPC_TESTING_API)
if (decoder.messageReceiverName() == Messages::IPCTester::messageReceiverName()) {
m_ipcTester->didReceiveSyncMessage(connection, decoder, replyEncoder);
return true;
}
#endif
return messageReceiverMap().dispatchSyncMessage(connection, decoder, replyEncoder);
}
bool ModelConnectionToWebProcess::isAlwaysOnLoggingAllowed() const
{
return m_sessionID.isAlwaysOnLoggingAllowed() || m_sharedPreferencesForWebProcess.allowPrivacySensitiveOperationsInNonPersistentDataStores;
}
} // namespace WebKit
#undef MESSAGE_CHECK
#endif // ENABLE(MODEL_PROCESS)
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