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 namespace {
29 constexpr int HUKS_NAPI_GET_KEY_PROPERTIES_MIN_ARGS = 2;
30 constexpr int HUKS_NAPI_GET_KEY_PROPERTIES_MAX_ARGS = 3;
31
32 constexpr int HKS_DEFAULT_OUTPARAMSET_SIZE = 2048;
33 } // namespace
34
35 struct GetKeyPropertiesAsyncContextT {
36 napi_async_work asyncWork = nullptr;
37 napi_deferred deferred = nullptr;
38 napi_ref callback = nullptr;
39
40 int32_t result = 0;
41 struct HksBlob *keyAlias = nullptr;
42 struct HksParamSet *paramSetIn = nullptr;
43 struct HksParamSet *paramSetOut = nullptr;
44 };
45 using GetKeyPropertiesAsyncContext = GetKeyPropertiesAsyncContextT *;
46
CreateGetKeyPropertiesAsyncContext()47 static GetKeyPropertiesAsyncContext CreateGetKeyPropertiesAsyncContext()
48 {
49 GetKeyPropertiesAsyncContext context =
50 static_cast<GetKeyPropertiesAsyncContext>(HksMalloc(sizeof(GetKeyPropertiesAsyncContextT)));
51 if (context != nullptr) {
52 (void)memset_s(context, sizeof(GetKeyPropertiesAsyncContextT), 0, sizeof(GetKeyPropertiesAsyncContextT));
53 }
54 return context;
55 }
56
DeleteGetKeyPropertiesAsyncContext(napi_env env,GetKeyPropertiesAsyncContext & context)57 static void DeleteGetKeyPropertiesAsyncContext(napi_env env, GetKeyPropertiesAsyncContext &context)
58 {
59 if (context == nullptr) {
60 return;
61 }
62 DeleteCommonAsyncContext(env, context->asyncWork, context->callback, context->keyAlias, context->paramSetIn);
63 if (context->paramSetOut != nullptr) {
64 HksFreeParamSet(&context->paramSetOut);
65 }
66 HksFree(context);
67 context = nullptr;
68 }
69
GetKeyPropertiesParseParams(napi_env env,napi_callback_info info,GetKeyPropertiesAsyncContext context)70 static napi_value GetKeyPropertiesParseParams(
71 napi_env env, napi_callback_info info, GetKeyPropertiesAsyncContext context)
72 {
73 size_t argc = HUKS_NAPI_GET_KEY_PROPERTIES_MAX_ARGS;
74 napi_value argv[HUKS_NAPI_GET_KEY_PROPERTIES_MAX_ARGS] = { 0 };
75 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr));
76
77 if (argc < HUKS_NAPI_GET_KEY_PROPERTIES_MIN_ARGS) {
78 napi_throw_error(env, std::to_string(HUKS_ERR_CODE_ILLEGAL_ARGUMENT).c_str(), "no enough params input");
79 HKS_LOG_E("no enough params");
80 return nullptr;
81 }
82
83 size_t index = 0;
84 napi_value result = ParseKeyAliasAndHksParamSet(env, argv, index, context->keyAlias, context->paramSetIn);
85 if (result == nullptr) {
86 HKS_LOG_E("getKeyProperties parse params failed");
87 return nullptr;
88 }
89
90 index++;
91 if (index < argc) {
92 context->callback = GetCallback(env, argv[index]);
93 }
94
95 return GetInt32(env, 0);
96 }
97
GetKeyPropertiesAsyncWork(napi_env env,GetKeyPropertiesAsyncContext context)98 static napi_value GetKeyPropertiesAsyncWork(napi_env env, GetKeyPropertiesAsyncContext context)
99 {
100 napi_value promise = nullptr;
101 if (context->callback == nullptr) {
102 NAPI_CALL(env, napi_create_promise(env, &context->deferred, &promise));
103 }
104
105 napi_value resourceName = nullptr;
106 napi_create_string_latin1(env, "getKeyPropertiesAsyncWork", NAPI_AUTO_LENGTH, &resourceName);
107
108 napi_create_async_work(
109 env,
110 nullptr,
111 resourceName,
112 [](napi_env env, void *data) {
113 GetKeyPropertiesAsyncContext napiContext = static_cast<GetKeyPropertiesAsyncContext>(data);
114
115 napiContext->paramSetOut = static_cast<struct HksParamSet *>(HksMalloc(HKS_DEFAULT_OUTPARAMSET_SIZE));
116 if (napiContext->paramSetOut != nullptr) {
117 napiContext->paramSetOut->paramSetSize = HKS_DEFAULT_OUTPARAMSET_SIZE;
118 napiContext->paramSetOut->paramsCnt = 0;
119 }
120
121 napiContext->result = HksGetKeyParamSet(napiContext->keyAlias,
122 napiContext->paramSetIn, napiContext->paramSetOut);
123 },
124 [](napi_env env, napi_status status, void *data) {
125 GetKeyPropertiesAsyncContext napiContext = static_cast<GetKeyPropertiesAsyncContext>(data);
126 HksSuccessReturnResult resultData;
127 SuccessReturnResultInit(resultData);
128 resultData.paramSet = napiContext->paramSetOut;
129 HksReturnNapiResult(env, napiContext->callback, napiContext->deferred, napiContext->result, resultData);
130 DeleteGetKeyPropertiesAsyncContext(env, napiContext);
131 },
132 static_cast<void *>(context),
133 &context->asyncWork);
134
135 napi_status status = napi_queue_async_work(env, context->asyncWork);
136 if (status != napi_ok) {
137 DeleteGetKeyPropertiesAsyncContext(env, context);
138 HKS_LOG_E("could not queue async work");
139 return nullptr;
140 }
141
142 if (context->callback == nullptr) {
143 return promise;
144 } else {
145 return GetNull(env);
146 }
147 }
148
HuksNapiGetKeyItemProperties(napi_env env,napi_callback_info info)149 napi_value HuksNapiGetKeyItemProperties(napi_env env, napi_callback_info info)
150 {
151 GetKeyPropertiesAsyncContext context = CreateGetKeyPropertiesAsyncContext();
152 if (context == nullptr) {
153 HKS_LOG_E("could not create context");
154 return nullptr;
155 }
156
157 napi_value result = GetKeyPropertiesParseParams(env, info, context);
158 if (result == nullptr) {
159 HKS_LOG_E("could not parse params");
160 DeleteGetKeyPropertiesAsyncContext(env, context);
161 return nullptr;
162 }
163
164 result = GetKeyPropertiesAsyncWork(env, context);
165 if (result == nullptr) {
166 HKS_LOG_E("could not start async work");
167 DeleteGetKeyPropertiesAsyncContext(env, context);
168 return nullptr;
169 }
170 return result;
171 }
172 } // namespace HuksNapiItem
173