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_DRM_MEDIA_KEY_SYSTEM_NAPI_H
17 #define OHOS_DRM_MEDIA_KEY_SYSTEM_NAPI_H
18 
19 #include <cinttypes>
20 #include <fstream>
21 #include <iostream>
22 #include <sstream>
23 #include <vector>
24 #include <fcntl.h>
25 #include <sys/stat.h>
26 #include <sys/time.h>
27 #include <sys/types.h>
28 #include "napi/native_api.h"
29 #include "napi/native_node_api.h"
30 #include "hilog/log.h"
31 #include "drm_log.h"
32 #include "key_session_impl.h"
33 #include "media_key_system_impl.h"
34 #include "media_key_system_factory_impl.h"
35 #include "media_key_system_callback_napi.h"
36 #include "napi_param_utils.h"
37 #include "napi_async_work.h"
38 
39 namespace OHOS {
40 namespace DrmStandard {
41 static const char MEDIA_KEY_SYSTEM_NAPI_CLASS_NAME[] = "MediaKeySystem";
42 
43 struct MediaKeySystemAsyncContext : public ContextBase {
44     int32_t intValue;
45     NapiProvisionRequest provisionRequest;
46     std::vector<uint8_t> response;
47 };
48 
49 class MediaKeySystemNapi {
50 public:
51     static napi_value Init(napi_env env, napi_value exports);
52     MediaKeySystemNapi();
53     ~MediaKeySystemNapi();
54     static napi_value IsMediaKeySystemSupported(napi_env env, napi_callback_info info);
55     static napi_value CreateMediaKeySystemInstance(napi_env env, napi_callback_info info);
56     static napi_value GetMediaKeySystems(napi_env env, napi_callback_info info);
57     static napi_value GetMediaKeySystemUuid(napi_env env, napi_callback_info info);
58     static napi_value SetConfigurationString(napi_env env, napi_callback_info info);
59     static napi_value GetConfigurationString(napi_env env, napi_callback_info info);
60     static napi_value SetConfigurationByteArray(napi_env env, napi_callback_info info);
61     static napi_value GetConfigurationByteArray(napi_env env, napi_callback_info info);
62     static napi_value GetMaxContentProtectionLevel(napi_env env, napi_callback_info info);
63     static napi_value GenerateKeySystemRequest(napi_env env, napi_callback_info info);
64     static napi_value ProcessKeySystemResponse(napi_env env, napi_callback_info info);
65     static napi_value CreateMediaKeySession(napi_env env, napi_callback_info info);
66     static napi_value GetStatistics(napi_env env, napi_callback_info info);
67 
68     static napi_value GetOfflineMediaKeyIds(napi_env env, napi_callback_info info);
69     static napi_value GetOfflineMediaKeyStatus(napi_env env, napi_callback_info info);
70     static napi_value ClearOfflineMediaKeys(napi_env env, napi_callback_info info);
71 
72     static napi_value GetCertificateStatus(napi_env env, napi_callback_info info);
73     static napi_value Destroy(napi_env env, napi_callback_info info);
74 
75     static napi_value SetEventCallback(napi_env env, napi_callback_info info);
76     static napi_value UnsetEventCallback(napi_env env, napi_callback_info info);
77     void SaveEventCallbackReferrence(const std::string eventType, std::shared_ptr<AutoRef> callbackPair);
78     void ClearEventCallbackReferrence(const std::string eventType);
79     static bool CheckMediaKeySystemStatus(MediaKeySystemNapi *napi,
80         std::shared_ptr<MediaKeySystemAsyncContext> context);
81     static bool CheckContextStatus(std::shared_ptr<MediaKeySystemAsyncContext> context);
82 
83 private:
84     static napi_value MediaKeySystemNapiConstructor(napi_env env, napi_callback_info info);
85     static void MediaKeySystemNapiDestructor(napi_env env, void *nativeObject, void *finalize);
86 
87     static thread_local napi_ref sConstructor_;
88     napi_env env_;
89     napi_ref wrapper_;
90     std::mutex mutex_;
91     sptr<MediaKeySystemImpl> mediaKeySystemImpl_;
92     static thread_local sptr<MediaKeySystemImpl> sMediaKeySystemImpl_;
93     sptr<MediaKeySystemCallbackNapi> mediaKeySystemCallbackNapi_;
94 };
95 } // namespace DrmStandard
96 } // namespace OHOS
97 
98 #endif // OHOS_DRM_MEDIA_KEY_SYSTEM_NAPI_H_
99