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/*
* Copyright (C) 2020 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 "RemoteCDMInstanceSessionProxy.h"
#if ENABLE(GPU_PROCESS) && ENABLE(ENCRYPTED_MEDIA)
#include "GPUConnectionToWebProcess.h"
#include "RemoteCDMFactoryProxy.h"
#include "RemoteCDMInstanceSessionMessages.h"
#include <WebCore/SharedBuffer.h>
namespace WebKit {
using namespace WebCore;
Ref<RemoteCDMInstanceSessionProxy> RemoteCDMInstanceSessionProxy::create(WeakPtr<RemoteCDMProxy>&& proxy, Ref<WebCore::CDMInstanceSession>&& session, uint64_t logIdentifier, RemoteCDMInstanceSessionIdentifier identifier)
{
Ref sessionProxy = adoptRef(*new RemoteCDMInstanceSessionProxy(WTFMove(proxy), WTFMove(session), logIdentifier, identifier));
WeakPtr<WebCore::CDMInstanceSessionClient> client = sessionProxy.get();
sessionProxy->protectedSession()->setClient(WTFMove(client));
return sessionProxy;
}
RemoteCDMInstanceSessionProxy::RemoteCDMInstanceSessionProxy(WeakPtr<RemoteCDMProxy>&& cdm, Ref<WebCore::CDMInstanceSession>&& session, uint64_t logIdentifier, RemoteCDMInstanceSessionIdentifier identifier)
: m_cdm(WTFMove(cdm))
, m_session(WTFMove(session))
, m_identifier(identifier)
{
}
RemoteCDMInstanceSessionProxy::~RemoteCDMInstanceSessionProxy()
{
}
void RemoteCDMInstanceSessionProxy::setLogIdentifier(uint64_t logIdentifier)
{
#if !RELEASE_LOG_DISABLED
protectedSession()->setLogIdentifier(logIdentifier);
#else
UNUSED_PARAM(logIdentifier);
#endif
}
void RemoteCDMInstanceSessionProxy::requestLicense(LicenseType type, KeyGroupingStrategy keyGroupingStrategy, AtomString initDataType, RefPtr<WebCore::SharedBuffer>&& initData, LicenseCallback&& completion)
{
if (!initData) {
completion({ }, emptyString(), false, false);
return;
}
// Implement the CDMPrivate::supportsInitData() check here:
if (!protectedCdm()->supportsInitData(initDataType, *initData)) {
completion({ }, emptyString(), false, false);
return;
}
protectedSession()->requestLicense(type, keyGroupingStrategy, initDataType, initData.releaseNonNull(), [completion = WTFMove(completion)] (Ref<SharedBuffer>&& message, const String& sessionId, bool needsIndividualization, CDMInstanceSession::SuccessValue succeeded) mutable {
completion(WTFMove(message), sessionId, needsIndividualization, succeeded == CDMInstanceSession::Succeeded);
});
}
void RemoteCDMInstanceSessionProxy::updateLicense(String sessionId, LicenseType type, RefPtr<SharedBuffer>&& response, LicenseUpdateCallback&& completion)
{
if (!response) {
completion(true, { }, std::nullopt, std::nullopt, false);
return;
}
// Implement the CDMPrivate::sanitizeResponse() check here:
auto sanitizedResponse = protectedCdm()->sanitizeResponse(*response);
if (!sanitizedResponse) {
completion(false, { }, std::nullopt, std::nullopt, false);
return;
}
protectedSession()->updateLicense(sessionId, type, sanitizedResponse.releaseNonNull(), [completion = WTFMove(completion)] (bool sessionClosed, std::optional<CDMInstanceSession::KeyStatusVector>&& keyStatuses, std::optional<double>&& expirationTime, std::optional<CDMInstanceSession::Message>&& message, CDMInstanceSession::SuccessValue succeeded) mutable {
completion(sessionClosed, WTFMove(keyStatuses), WTFMove(expirationTime), WTFMove(message), succeeded == CDMInstanceSession::Succeeded);
});
}
void RemoteCDMInstanceSessionProxy::loadSession(LicenseType type, String sessionId, String origin, LoadSessionCallback&& completion)
{
// Implement the CDMPrivate::sanitizeSessionId() check here:
auto sanitizedSessionId = protectedCdm()->sanitizeSessionId(sessionId);
if (!sanitizedSessionId) {
completion(std::nullopt, std::nullopt, std::nullopt, false, CDMInstanceSession::SessionLoadFailure::MismatchedSessionType);
return;
}
protectedSession()->loadSession(type, *sanitizedSessionId, origin, [completion = WTFMove(completion)] (std::optional<CDMInstanceSession::KeyStatusVector>&& keyStatuses, std::optional<double>&& expirationTime, std::optional<CDMInstanceSession::Message>&& message, CDMInstanceSession::SuccessValue succeeded, CDMInstanceSession::SessionLoadFailure failure) mutable {
completion(WTFMove(keyStatuses), WTFMove(expirationTime), WTFMove(message), succeeded == CDMInstanceSession::Succeeded, failure);
});
}
void RemoteCDMInstanceSessionProxy::closeSession(const String& sessionId, CloseSessionCallback&& completion)
{
protectedSession()->closeSession(sessionId, [completion = WTFMove(completion)] () mutable {
completion();
});
}
void RemoteCDMInstanceSessionProxy::removeSessionData(const String& sessionId, LicenseType type, RemoveSessionDataCallback&& completion)
{
protectedSession()->removeSessionData(sessionId, type, [completion = WTFMove(completion)] (CDMInstanceSession::KeyStatusVector&& keyStatuses, RefPtr<SharedBuffer>&& expiredSessionsData, CDMInstanceSession::SuccessValue succeeded) mutable {
completion(WTFMove(keyStatuses), WTFMove(expiredSessionsData), succeeded == CDMInstanceSession::Succeeded);
});
}
void RemoteCDMInstanceSessionProxy::storeRecordOfKeyUsage(const String& sessionId)
{
protectedSession()->storeRecordOfKeyUsage(sessionId);
}
void RemoteCDMInstanceSessionProxy::updateKeyStatuses(KeyStatusVector&& keyStatuses)
{
if (!m_cdm)
return;
RefPtr factory = m_cdm->factory();
if (!factory)
return;
RefPtr gpuConnectionToWebProcess = factory->gpuConnectionToWebProcess();
if (!gpuConnectionToWebProcess)
return;
gpuConnectionToWebProcess->protectedConnection()->send(Messages::RemoteCDMInstanceSession::UpdateKeyStatuses(WTFMove(keyStatuses)), m_identifier);
}
void RemoteCDMInstanceSessionProxy::sendMessage(CDMMessageType type, Ref<SharedBuffer>&& message)
{
if (!m_cdm)
return;
RefPtr factory = m_cdm->factory();
if (!factory)
return;
RefPtr gpuConnectionToWebProcess = factory->gpuConnectionToWebProcess();
if (!gpuConnectionToWebProcess)
return;
gpuConnectionToWebProcess->protectedConnection()->send(Messages::RemoteCDMInstanceSession::SendMessage(type, WTFMove(message)), m_identifier);
}
void RemoteCDMInstanceSessionProxy::sessionIdChanged(const String& sessionId)
{
if (!m_cdm)
return;
RefPtr factory = m_cdm->factory();
if (!factory)
return;
RefPtr gpuConnectionToWebProcess = factory->gpuConnectionToWebProcess();
if (!gpuConnectionToWebProcess)
return;
gpuConnectionToWebProcess->protectedConnection()->send(Messages::RemoteCDMInstanceSession::SessionIdChanged(sessionId), m_identifier);
}
std::optional<SharedPreferencesForWebProcess> RemoteCDMInstanceSessionProxy::sharedPreferencesForWebProcess() const
{
if (!m_cdm)
return std::nullopt;
return protectedCdm()->sharedPreferencesForWebProcess();
}
RefPtr<RemoteCDMProxy> RemoteCDMInstanceSessionProxy::protectedCdm() const
{
return m_cdm.get();
}
}
#endif
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