1 /*
2 * Copyright (c) 2022 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 #include "huks_napi_get_key_item_properties.h"
17
18 #include "securec.h"
19
20 #include "hks_api.h"
21 #include "hks_log.h"
22 #include "hks_mem.h"
23 #include "hks_param.h"
24 #include "hks_type.h"
25 #include "huks_napi_common_item.h"
26
27 namespace HuksNapiItem {
28 constexpr int HUKS_NAPI_GET_KEY_PROPERTIES_MIN_ARGS = 2;
29 constexpr int HUKS_NAPI_GET_KEY_PROPERTIES_MAX_ARGS = 3;
30
31 constexpr int HKS_DEFAULT_OUTPARAMSET_SIZE = 2048;
32
CreateGetKeyPropertiesAsyncContext()33 GetKeyPropertiesAsyncContext CreateGetKeyPropertiesAsyncContext()
34 {
35 GetKeyPropertiesAsyncContext context =
36 static_cast<GetKeyPropertiesAsyncContext>(HksMalloc(sizeof(GetKeyPropertiesAsyncContextT)));
37 if (context != nullptr) {
38 (void)memset_s(context, sizeof(GetKeyPropertiesAsyncContextT), 0, sizeof(GetKeyPropertiesAsyncContextT));
39 }
40 return context;
41 }
42
DeleteGetKeyPropertiesAsyncContext(napi_env env,GetKeyPropertiesAsyncContext & context)43 void DeleteGetKeyPropertiesAsyncContext(napi_env env, GetKeyPropertiesAsyncContext &context)
44 {
45 if (context == nullptr) {
46 return;
47 }
48 DeleteCommonAsyncContext(env, context->asyncWork, context->callback, context->keyAlias, context->paramSetIn);
49 if (context->paramSetOut != nullptr) {
50 HksFreeParamSet(&context->paramSetOut);
51 }
52 HKS_FREE(context);
53 context = nullptr;
54 }
55
GetKeyPropertiesParseParams(napi_env env,napi_callback_info info,GetKeyPropertiesAsyncContext context)56 static napi_value GetKeyPropertiesParseParams(
57 napi_env env, napi_callback_info info, GetKeyPropertiesAsyncContext context)
58 {
59 size_t argc = HUKS_NAPI_GET_KEY_PROPERTIES_MAX_ARGS;
60 napi_value argv[HUKS_NAPI_GET_KEY_PROPERTIES_MAX_ARGS] = { 0 };
61 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr));
62
63 if (argc < HUKS_NAPI_GET_KEY_PROPERTIES_MIN_ARGS) {
64 HksNapiThrow(env, HUKS_ERR_CODE_ILLEGAL_ARGUMENT, "no enough params input");
65 HKS_LOG_E("no enough params");
66 return nullptr;
67 }
68
69 size_t index = 0;
70 napi_value result = ParseKeyAliasAndHksParamSet(env, argv, index, context->keyAlias, context->paramSetIn);
71 if (result == nullptr) {
72 HKS_LOG_E("getKeyProperties parse params failed");
73 return nullptr;
74 }
75
76 index++;
77 if (index < argc) {
78 context->callback = GetCallback(env, argv[index]);
79 }
80
81 return GetInt32(env, 0);
82 }
83
GetKeyPropertiesAsyncWork(napi_env env,GetKeyPropertiesAsyncContext & context)84 napi_value GetKeyPropertiesAsyncWork(napi_env env, GetKeyPropertiesAsyncContext &context)
85 {
86 napi_value promise = nullptr;
87 if (context->callback == nullptr) {
88 NAPI_CALL(env, napi_create_promise(env, &context->deferred, &promise));
89 }
90
91 napi_value resourceName = nullptr;
92 napi_create_string_latin1(env, "getKeyPropertiesAsyncWork", NAPI_AUTO_LENGTH, &resourceName);
93
94 napi_create_async_work(
95 env,
96 nullptr,
97 resourceName,
98 [](napi_env env, void *data) {
99 GetKeyPropertiesAsyncContext napiContext = static_cast<GetKeyPropertiesAsyncContext>(data);
100
101 napiContext->paramSetOut = static_cast<struct HksParamSet *>(HksMalloc(HKS_DEFAULT_OUTPARAMSET_SIZE));
102 if (napiContext->paramSetOut != nullptr) {
103 napiContext->paramSetOut->paramSetSize = HKS_DEFAULT_OUTPARAMSET_SIZE;
104 napiContext->paramSetOut->paramsCnt = 0;
105 }
106
107 napiContext->result = HksGetKeyParamSet(napiContext->keyAlias,
108 napiContext->paramSetIn, napiContext->paramSetOut);
109 },
110 [](napi_env env, napi_status status, void *data) {
111 GetKeyPropertiesAsyncContext napiContext = static_cast<GetKeyPropertiesAsyncContext>(data);
112 HksSuccessReturnResult resultData;
113 SuccessReturnResultInit(resultData);
114 resultData.paramSet = napiContext->paramSetOut;
115 HksReturnNapiResult(env, napiContext->callback, napiContext->deferred, napiContext->result, resultData);
116 DeleteGetKeyPropertiesAsyncContext(env, napiContext);
117 },
118 static_cast<void *>(context),
119 &context->asyncWork);
120
121 napi_status status = napi_queue_async_work(env, context->asyncWork);
122 if (status != napi_ok) {
123 DeleteGetKeyPropertiesAsyncContext(env, context);
124 HKS_LOG_E("could not queue async work");
125 return nullptr;
126 }
127
128 if (context->callback == nullptr) {
129 return promise;
130 } else {
131 return GetNull(env);
132 }
133 }
134
HuksNapiGetKeyItemProperties(napi_env env,napi_callback_info info)135 napi_value HuksNapiGetKeyItemProperties(napi_env env, napi_callback_info info)
136 {
137 GetKeyPropertiesAsyncContext context = CreateGetKeyPropertiesAsyncContext();
138 if (context == nullptr) {
139 HKS_LOG_E("could not create context");
140 return nullptr;
141 }
142
143 napi_value result = GetKeyPropertiesParseParams(env, info, context);
144 if (result == nullptr) {
145 HKS_LOG_E("could not parse params");
146 DeleteGetKeyPropertiesAsyncContext(env, context);
147 return nullptr;
148 }
149
150 result = GetKeyPropertiesAsyncWork(env, context);
151 if (result == nullptr) {
152 HKS_LOG_E("could not start async work");
153 DeleteGetKeyPropertiesAsyncContext(env, context);
154 return nullptr;
155 }
156 return result;
157 }
158 } // namespace HuksNapiItem
159