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1 /*
2  * Copyright (C) 2018 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 
17 #ifndef CLEARKEY_SESSION_H_
18 #define CLEARKEY_SESSION_H_
19 
20 #include <utils/Mutex.h>
21 #include <utils/RefBase.h>
22 #include <vector>
23 
24 #include "ClearKeyTypes.h"
25 
26 
27 namespace android {
28 namespace hardware {
29 namespace drm {
30 namespace V1_4 {
31 namespace clearkey {
32 
33 namespace drm = ::android::hardware::drm;
34 using drm::V1_0::Status;
35 using drm::V1_0::SubSample;
36 
37 typedef drm::V1_2::Status Status_V1_2;
38 
39 class Session : public RefBase {
40 public:
Session(const std::vector<uint8_t> & sessionId)41     explicit Session(const std::vector<uint8_t>& sessionId)
42         : mSessionId(sessionId), mMockError(Status_V1_2::OK) {}
~Session()43     virtual ~Session() {}
44 
sessionId()45     const std::vector<uint8_t>& sessionId() const { return mSessionId; }
46 
47     Status getKeyRequest(
48             const std::vector<uint8_t>& initDataType,
49             const std::string& mimeType,
50             V1_0::KeyType keyType,
51             std::vector<uint8_t>* keyRequest) const;
52 
53     Status provideKeyResponse(
54             const std::vector<uint8_t>& response);
55 
56     Status_V1_2 decrypt(
57             const KeyId keyId, const Iv iv, const uint8_t* srcPtr,
58             uint8_t* dstPtr, const std::vector<SubSample> subSamples,
59             size_t* bytesDecryptedOut);
60 
setMockError(Status_V1_2 error)61     void setMockError(Status_V1_2 error) {mMockError = error;}
getMockError()62     Status_V1_2 getMockError() const {return mMockError;}
63 
64 private:
65     CLEARKEY_DISALLOW_COPY_AND_ASSIGN(Session);
66 
67     const std::vector<uint8_t> mSessionId;
68     KeyMap mKeyMap;
69     Mutex mMapLock;
70 
71     // For mocking error return scenarios
72     Status_V1_2 mMockError;
73 };
74 
75 } // namespace clearkey
76 } // namespace V1_4
77 } // namespace drm
78 } // namespace hardware
79 } // namespace android
80 
81 #endif // CLEARKEY_SESSION_H_
82