1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSION_H
17 #define OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSION_H
18 
19 #include <stdint.h>
20 #include <map>
21 #include <string>
22 #include <vector>
23 #include <hdf_base.h>
24 #include <hdi_base.h>
25 #include "drm/v1_0/imedia_decrypt_module.h"
26 #include "drm/v1_0/imedia_key_session_callback.h"
27 #include "drm/v1_0/media_key_system_types.h"
28 
29 #ifndef HDI_BUFF_MAX_SIZE
30 #define HDI_BUFF_MAX_SIZE (1024 * 200)
31 #endif
32 
33 #ifndef HDI_CHECK_VALUE_RETURN
34 #define HDI_CHECK_VALUE_RETURN(lv, compare, rv, ret) do { \
35     if ((lv) compare (rv)) { \
36         return ret; \
37     } \
38 } while (false)
39 #endif
40 
41 #ifndef HDI_CHECK_VALUE_RET_GOTO
42 #define HDI_CHECK_VALUE_RET_GOTO(lv, compare, rv, ret, value, table) do { \
43     if ((lv) compare (rv)) { \
44         ret = value; \
45         goto table; \
46     } \
47 } while (false)
48 #endif
49 
50 namespace OHOS {
51 namespace HDI {
52 namespace Drm {
53 namespace V1_0 {
54 using namespace OHOS;
55 using namespace OHOS::HDI;
56 
57 enum {
58     CMD_MEDIA_KEY_SESSION_GET_VERSION = 0,
59     CMD_MEDIA_KEY_SESSION_GENERATE_MEDIA_KEY_REQUEST = 1,
60     CMD_MEDIA_KEY_SESSION_PROCESS_MEDIA_KEY_RESPONSE = 2,
61     CMD_MEDIA_KEY_SESSION_CHECK_MEDIA_KEY_STATUS = 3,
62     CMD_MEDIA_KEY_SESSION_CLEAR_MEDIA_KEYS = 4,
63     CMD_MEDIA_KEY_SESSION_GET_OFFLINE_RELEASE_REQUEST = 5,
64     CMD_MEDIA_KEY_SESSION_PROCESS_OFFLINE_RELEASE_RESPONSE = 6,
65     CMD_MEDIA_KEY_SESSION_RESTORE_OFFLINE_MEDIA_KEYS = 7,
66     CMD_MEDIA_KEY_SESSION_GET_CONTENT_PROTECTION_LEVEL = 8,
67     CMD_MEDIA_KEY_SESSION_REQUIRES_SECURE_DECODER_MODULE = 9,
68     CMD_MEDIA_KEY_SESSION_SET_CALLBACK = 10,
69     CMD_MEDIA_KEY_SESSION_GET_MEDIA_DECRYPT_MODULE = 11,
70     CMD_MEDIA_KEY_SESSION_DESTROY = 12,
71 };
72 
73 class IMediaKeySession : public HdiBase {
74 public:
75     DECLARE_HDI_DESCRIPTOR(u"ohos.hdi.drm.v1_0.IMediaKeySession");
76 
77     virtual ~IMediaKeySession() = default;
78 
79     virtual int32_t GenerateMediaKeyRequest(const OHOS::HDI::Drm::V1_0::MediaKeyRequestInfo& mediaKeyRequestInfo,
80          OHOS::HDI::Drm::V1_0::MediaKeyRequest& mediaKeyRequest) = 0;
81 
82     virtual int32_t ProcessMediaKeyResponse(const std::vector<uint8_t>& mediaKeyResponse,
83          std::vector<uint8_t>& mediaKeyId) = 0;
84 
85     virtual int32_t CheckMediaKeyStatus(std::map<std::string, std::string>& mediaKeyStatus) = 0;
86 
87     virtual int32_t ClearMediaKeys() = 0;
88 
89     virtual int32_t GetOfflineReleaseRequest(const std::vector<uint8_t>& mediaKeyId,
90          std::vector<uint8_t>& releaseRequest) = 0;
91 
92     virtual int32_t ProcessOfflineReleaseResponse(const std::vector<uint8_t>& mediaKeyId,
93          const std::vector<uint8_t>& response) = 0;
94 
95     virtual int32_t RestoreOfflineMediaKeys(const std::vector<uint8_t>& mediaKeyId) = 0;
96 
97     virtual int32_t GetContentProtectionLevel(OHOS::HDI::Drm::V1_0::ContentProtectionLevel& level) = 0;
98 
99     virtual int32_t RequiresSecureDecoderModule(const std::string& mimeType, bool& required) = 0;
100 
101     virtual int32_t SetCallback(const sptr<OHOS::HDI::Drm::V1_0::IMediaKeySessionCallback>& sessionCallback) = 0;
102 
103     virtual int32_t GetMediaDecryptModule(sptr<OHOS::HDI::Drm::V1_0::IMediaDecryptModule>& decryptModule) = 0;
104 
105     virtual int32_t Destroy() = 0;
106 
GetVersion(uint32_t & majorVer,uint32_t & minorVer)107     virtual int32_t GetVersion(uint32_t& majorVer, uint32_t& minorVer)
108     {
109         majorVer = 1;
110         minorVer = 0;
111         return HDF_SUCCESS;
112     }
113 
IsProxy()114     virtual bool IsProxy()
115     {
116         return false;
117     }
118 
GetDesc()119     virtual const std::u16string GetDesc()
120     {
121         return metaDescriptor_;
122     }
123 };
124 } // V1_0
125 } // Drm
126 } // HDI
127 } // OHOS
128 
129 #endif // OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSION_H