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/*
* Copyright (C) 2020 Metrological Group B.V.
* Copyright (C) 2020 Igalia S.L.
*
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* HOLDER OR 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.
*/
#pragma once
#if ENABLE(ENCRYPTED_MEDIA) && ENABLE(THUNDER)
#include "CDMFactory.h"
#include "CDMInstanceSession.h"
#include "CDMOpenCDMTypes.h"
#include "CDMPrivate.h"
#include "CDMProxy.h"
#include "GStreamerEMEUtilities.h"
#include "MediaKeyStatus.h"
#include "SharedBuffer.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
namespace Thunder {
struct ThunderSystemDeleter {
OpenCDMError operator()(OpenCDMSystem* ptr) const { return opencdm_destruct_system(ptr); }
};
using UniqueThunderSystem = std::unique_ptr<OpenCDMSystem, ThunderSystemDeleter>;
} // namespace Thunder
class CDMFactoryThunder final : public CDMFactory, public CDMProxyFactory {
WTF_MAKE_FAST_ALLOCATED;
public:
static CDMFactoryThunder& singleton();
virtual ~CDMFactoryThunder() = default;
std::unique_ptr<CDMPrivate> createCDM(const String&, const CDMPrivateClient&) final;
RefPtr<CDMProxy> createCDMProxy(const String&) final;
bool supportsKeySystem(const String&) final;
const Vector<String>& supportedKeySystems() const;
private:
friend class NeverDestroyed<CDMFactoryThunder>;
CDMFactoryThunder() = default;
};
class CDMPrivateThunder final : public CDMPrivate {
WTF_MAKE_FAST_ALLOCATED;
public:
CDMPrivateThunder(const String& keySystem);
virtual ~CDMPrivateThunder() = default;
Vector<AtomString> supportedInitDataTypes() const final;
bool supportsConfiguration(const CDMKeySystemConfiguration&) const final;
bool supportsConfigurationWithRestrictions(const CDMKeySystemConfiguration& configuration, const CDMRestrictions&) const final
{
return supportsConfiguration(configuration);
}
bool supportsSessionTypeWithConfiguration(const CDMSessionType&, const CDMKeySystemConfiguration& configuration) const final
{
return supportsConfiguration(configuration);
}
Vector<AtomString> supportedRobustnesses() const final;
CDMRequirement distinctiveIdentifiersRequirement(const CDMKeySystemConfiguration&, const CDMRestrictions&) const final;
CDMRequirement persistentStateRequirement(const CDMKeySystemConfiguration&, const CDMRestrictions&) const final;
bool distinctiveIdentifiersAreUniquePerOriginAndClearable(const CDMKeySystemConfiguration&) const final;
RefPtr<CDMInstance> createInstance() final;
void loadAndInitialize() final;
bool supportsServerCertificates() const final;
bool supportsSessions() const final;
bool supportsInitData(const AtomString&, const SharedBuffer&) const final;
RefPtr<SharedBuffer> sanitizeResponse(const SharedBuffer&) const final;
std::optional<String> sanitizeSessionId(const String&) const final;
private:
String m_keySystem;
Thunder::UniqueThunderSystem m_thunderSystem;
};
class CDMInstanceThunder final : public CDMInstanceProxy {
public:
CDMInstanceThunder(const String& keySystem);
virtual ~CDMInstanceThunder() = default;
// CDMInstance
ImplementationType implementationType() const final { return ImplementationType::Thunder; }
void initializeWithConfiguration(const CDMKeySystemConfiguration&, AllowDistinctiveIdentifiers, AllowPersistentState, SuccessCallback&&) final;
void setServerCertificate(Ref<SharedBuffer>&&, SuccessCallback&&) final;
void setStorageDirectory(const String&) final;
const String& keySystem() const final { return m_keySystem; }
RefPtr<CDMInstanceSession> createSession() final;
OpenCDMSystem& thunderSystem() const { return *m_thunderSystem.get(); };
private:
Thunder::UniqueThunderSystem m_thunderSystem;
String m_keySystem;
};
class CDMInstanceSessionThunder final : public CDMInstanceSessionProxy {
public:
CDMInstanceSessionThunder(CDMInstanceThunder&);
void requestLicense(LicenseType, const AtomString& initDataType, Ref<SharedBuffer>&& initData, LicenseCallback&&) final;
void updateLicense(const String&, LicenseType, Ref<SharedBuffer>&&, LicenseUpdateCallback&&) final;
void loadSession(LicenseType, const String&, const String&, LoadSessionCallback&&) final;
void closeSession(const String&, CloseSessionCallback&&) final;
void removeSessionData(const String&, LicenseType, RemoveSessionDataCallback&&) final;
void storeRecordOfKeyUsage(const String&) final;
bool isValid() const { return m_session && m_message && !m_message->isEmpty(); }
void setClient(WeakPtr<CDMInstanceSessionClient>&& client) final { m_client = WTFMove(client); }
void clearClient() final { m_client.clear(); }
private:
CDMInstanceThunder* cdmInstanceThunder() const;
using Notification = void (CDMInstanceSessionThunder::*)(RefPtr<WebCore::SharedBuffer>&&);
using ChallengeGeneratedCallback = Function<void()>;
using SessionChangedCallback = Function<void(bool, RefPtr<SharedBuffer>&&)>;
void challengeGeneratedCallback(RefPtr<SharedBuffer>&&);
void keyUpdatedCallback(KeyIDType&&);
void keysUpdateDoneCallback();
void errorCallback(RefPtr<SharedBuffer>&&);
CDMInstanceSession::KeyStatus status(const KeyIDType&) const;
void sessionFailure();
// FIXME: Check all original uses of these attributes.
String m_sessionID;
KeyStore m_keyStore;
bool m_doesKeyStoreNeedMerging { false };
InitData m_initData;
OpenCDMSessionCallbacks m_thunderSessionCallbacks { };
BoxPtr<OpenCDMSession> m_session;
RefPtr<SharedBuffer> m_message;
bool m_needsIndividualization { false };
Vector<ChallengeGeneratedCallback> m_challengeCallbacks;
Vector<SessionChangedCallback> m_sessionChangedCallbacks;
WeakPtr<CDMInstanceSessionClient> m_client;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CDM_INSTANCE(WebCore::CDMInstanceThunder, WebCore::CDMInstance::ImplementationType::Thunder);
#endif // ENABLE(ENCRYPTED_MEDIA) && ENABLE(THUNDER)
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