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1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include <utils/Mutex.h>
19 #include <utils/RefBase.h>
20 
21 #include <cstdint>
22 #include <vector>
23 
24 #include "ClearKeyTypes.h"
25 
26 namespace clearkeydrm {
27 
28 class Session : public ::android::RefBase {
29   public:
Session(const std::vector<uint8_t> & sessionId)30     explicit Session(const std::vector<uint8_t>& sessionId)
31         : mSessionId(sessionId), mMockError(clearkeydrm::OK) {}
~Session()32     virtual ~Session() {}
33 
sessionId()34     const std::vector<uint8_t>& sessionId() const { return mSessionId; }
35 
36     CdmResponseType getKeyRequest(const std::vector<uint8_t>& initDataType,
37                                   const std::string& mimeType,
38                                   CdmKeyType keyType,
39                                   std::vector<uint8_t>* keyRequest) const;
40 
41     CdmResponseType provideKeyResponse(const std::vector<uint8_t>& response);
42 
43     CdmResponseType decrypt(const KeyId keyId, const Iv iv, const uint8_t* srcPtr, uint8_t* dstPtr,
44                             const std::vector<int32_t>& clearDataLengths,
45                             const std::vector<int32_t>& encryptedDataLengths,
46                             size_t* bytesDecryptedOut);
47 
setMockError(CdmResponseType error)48     void setMockError(CdmResponseType error) { mMockError = error; }
getMockError()49     CdmResponseType getMockError() const { return mMockError; }
50 
51   private:
52     CLEARKEY_DISALLOW_COPY_AND_ASSIGN(Session);
53 
54     const std::vector<uint8_t> mSessionId;
55     KeyMap mKeyMap;
56     ::android::Mutex mMapLock;
57 
58     // For mocking error return scenarios
59     CdmResponseType mMockError;
60 };
61 
62 }  // namespace clearkeydrm
63