gecko-dev/media/gmp-clearkey/0.1/ClearKeySessionManager.h

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/*
* Copyright 2015, Mozilla Foundation and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __ClearKeyDecryptor_h__
#define __ClearKeyDecryptor_h__
#include "ClearKeyDecryptionManager.h"
#include "ClearKeyPersistence.h"
#include "ClearKeySession.h"
#include "ClearKeyUtils.h"
// This include is required in order for content_decryption_module to work
// on Unix systems.
#include "stddef.h"
#include "content_decryption_module.h"
#include "RefCounted.h"
#include <functional>
#include <map>
#include <queue>
#include <set>
#include <string>
class ClearKeySessionManager final : public RefCounted
{
public:
explicit ClearKeySessionManager(cdm::Host_8* aHost);
void Init(bool aDistinctiveIdentifierAllowed,
bool aPersistentStateAllowed);
void CreateSession(uint32_t aPromiseId,
cdm::InitDataType aInitDataType,
const uint8_t* aInitData,
uint32_t aInitDataSize,
cdm::SessionType aSessionType);
void LoadSession(uint32_t aPromiseId,
const char* aSessionId,
uint32_t aSessionIdLength);
void UpdateSession(uint32_t aPromiseId,
const char* aSessionId,
uint32_t aSessionIdLength,
const uint8_t* aResponse,
uint32_t aResponseSize);
void CloseSession(uint32_t aPromiseId,
const char* aSessionId,
uint32_t aSessionIdLength);
void RemoveSession(uint32_t aPromiseId,
const char* aSessionId,
uint32_t aSessionIdLength);
void SetServerCertificate(uint32_t aPromiseId,
const uint8_t* aServerCert,
uint32_t aServerCertSize);
cdm::Status
Decrypt(const cdm::InputBuffer& aBuffer,
cdm::DecryptedBlock* aDecryptedBlock);
void DecryptingComplete();
void PersistentSessionDataLoaded(uint32_t aPromiseId,
const std::string& aSessionId,
const uint8_t* aKeyData,
uint32_t aKeyDataSize);
private:
~ClearKeySessionManager();
void ClearInMemorySessionData(ClearKeySession* aSession);
bool MaybeDeferTillInitialized(std::function<void()>&& aMaybeDefer);
void Serialize(const ClearKeySession* aSession,
std::vector<uint8_t>& aOutKeyData);
RefPtr<ClearKeyDecryptionManager> mDecryptionManager;
RefPtr<ClearKeyPersistence> mPersistence;
cdm::Host_8* mHost = nullptr;
std::set<KeyId> mKeyIds;
std::map<std::string, ClearKeySession*> mSessions;
std::queue<std::function<void()>> mDeferredInitialize;
};
#endif // __ClearKeyDecryptor_h__