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60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* Copyright 2015, Mozilla Foundation and contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __ClearKeyDecryptionManager_h__
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#define __ClearKeyDecryptionManager_h__
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#include <map>
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#include "ClearKeyUtils.h"
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#include "RefCounted.h"
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class ClearKeyDecryptor;
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class ClearKeyDecryptionManager : public RefCounted
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{
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private:
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ClearKeyDecryptionManager();
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~ClearKeyDecryptionManager();
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static ClearKeyDecryptionManager* sInstance;
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public:
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static ClearKeyDecryptionManager* Get();
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bool HasSeenKeyId(const KeyId& aKeyId) const;
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bool HasKeyForKeyId(const KeyId& aKeyId) const;
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const Key& GetDecryptionKey(const KeyId& aKeyId);
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// Create a decryptor for the given KeyId if one does not already exist.
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void InitKey(KeyId aKeyId, Key aKey);
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void ExpectKeyId(KeyId aKeyId);
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void ReleaseKeyId(KeyId aKeyId);
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GMPErr Decrypt(uint8_t* aBuffer, uint32_t aBufferSize,
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const GMPEncryptedBufferMetadata* aMetadata);
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void Shutdown();
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private:
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bool IsExpectingKeyForKeyId(const KeyId& aKeyId) const;
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std::map<KeyId, ClearKeyDecryptor*> mDecryptors;
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};
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#endif // __ClearKeyDecryptionManager_h__
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