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_IOEMCERTIFICATE_H
17 #define OHOS_HDI_DRM_V1_0_IOEMCERTIFICATE_H
18 
19 #include <stdint.h>
20 #include <string>
21 #include <vector>
22 #include <hdf_base.h>
23 #include <hdi_base.h>
24 #include "drm/v1_0/media_key_system_types.h"
25 
26 #ifndef HDI_BUFF_MAX_SIZE
27 #define HDI_BUFF_MAX_SIZE (1024 * 200)
28 #endif
29 
30 #ifndef HDI_CHECK_VALUE_RETURN
31 #define HDI_CHECK_VALUE_RETURN(lv, compare, rv, ret) do { \
32     if ((lv) compare (rv)) { \
33         return ret; \
34     } \
35 } while (false)
36 #endif
37 
38 #ifndef HDI_CHECK_VALUE_RET_GOTO
39 #define HDI_CHECK_VALUE_RET_GOTO(lv, compare, rv, ret, value, table) do { \
40     if ((lv) compare (rv)) { \
41         ret = value; \
42         goto table; \
43     } \
44 } while (false)
45 #endif
46 
47 namespace OHOS {
48 namespace HDI {
49 namespace Drm {
50 namespace V1_0 {
51 using namespace OHOS;
52 using namespace OHOS::HDI;
53 
54 enum {
55     CMD_OEM_CERTIFICATE_GET_VERSION = 0,
56     CMD_OEM_CERTIFICATE_GENERATE_OEM_KEY_SYSTEM_REQUEST = 1,
57     CMD_OEM_CERTIFICATE_PROCESS_OEM_KEY_SYSTEM_RESPONSE = 2,
58 };
59 
60 class IOemCertificate : public HdiBase {
61 public:
62     DECLARE_HDI_DESCRIPTOR(u"ohos.hdi.drm.v1_0.IOemCertificate");
63 
64     virtual ~IOemCertificate() = default;
65 
66     virtual int32_t GenerateOemKeySystemRequest(std::string& defaultUrl, std::vector<uint8_t>& request) = 0;
67 
68     virtual int32_t ProcessOemKeySystemResponse(const std::vector<uint8_t>& response) = 0;
69 
GetVersion(uint32_t & majorVer,uint32_t & minorVer)70     virtual int32_t GetVersion(uint32_t& majorVer, uint32_t& minorVer)
71     {
72         majorVer = 1;
73         minorVer = 0;
74         return HDF_SUCCESS;
75     }
76 
IsProxy()77     virtual bool IsProxy()
78     {
79         return false;
80     }
81 
GetDesc()82     virtual const std::u16string GetDesc()
83     {
84         return metaDescriptor_;
85     }
86 };
87 } // V1_0
88 } // Drm
89 } // HDI
90 } // OHOS
91 
92 #endif // OHOS_HDI_DRM_V1_0_IOEMCERTIFICATE_H