1 /*
2 * Copyright (c) 2021-2022 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_is_key_exist.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.h"
26
27 namespace HuksNapi {
28 namespace {
29 constexpr int HUKS_NAPI_IS_KEY_EXIST_MIN_ARGS = 2;
30 constexpr int HUKS_NAPI_IS_KEY_EXIST_MAX_ARGS = 3;
31 } // namespace
32
33 struct IsKeyExistAsyncContextT {
34 napi_async_work asyncWork = nullptr;
35 napi_deferred deferred = nullptr;
36 napi_ref callback = nullptr;
37
38 int32_t result = 0;
39 struct HksBlob *keyAlias = nullptr;
40 struct HksParamSet *paramSet = nullptr;
41 };
42 using IsKeyExistAsyncContext = IsKeyExistAsyncContextT *;
43
CreateIsKeyExistAsyncContext()44 static IsKeyExistAsyncContext CreateIsKeyExistAsyncContext()
45 {
46 IsKeyExistAsyncContext context = static_cast<IsKeyExistAsyncContext>(HksMalloc(sizeof(IsKeyExistAsyncContextT)));
47 if (context != nullptr) {
48 (void)memset_s(context, sizeof(IsKeyExistAsyncContextT), 0, sizeof(IsKeyExistAsyncContextT));
49 }
50 return context;
51 }
52
DeleteIsKeyExistAsyncContext(napi_env env,IsKeyExistAsyncContext & context)53 static void DeleteIsKeyExistAsyncContext(napi_env env, IsKeyExistAsyncContext &context)
54 {
55 if (context == nullptr) {
56 return;
57 }
58 DeleteCommonAsyncContext(env, context->asyncWork, context->callback, context->keyAlias, context->paramSet);
59 HKS_FREE(context);
60 context = nullptr;
61 }
62
IsKeyExistParseParams(napi_env env,napi_callback_info info,IsKeyExistAsyncContext context)63 static napi_value IsKeyExistParseParams(napi_env env, napi_callback_info info, IsKeyExistAsyncContext context)
64 {
65 size_t argc = HUKS_NAPI_IS_KEY_EXIST_MAX_ARGS;
66 napi_value argv[HUKS_NAPI_IS_KEY_EXIST_MAX_ARGS] = { 0 };
67 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr));
68
69 if (argc < HUKS_NAPI_IS_KEY_EXIST_MIN_ARGS) {
70 napi_throw_error(env, nullptr, "invalid arguments");
71 HKS_LOG_E("no enough params");
72 return nullptr;
73 }
74
75 size_t index = 0;
76 napi_value result = ParseKeyAliasAndHksParamSet(env, argv, index, context->keyAlias, context->paramSet);
77 if (result == nullptr) {
78 HKS_LOG_E("isKeyExist parse params failed");
79 return nullptr;
80 }
81
82 index++;
83 if (index < argc) {
84 context->callback = GetCallback(env, argv[index]);
85 }
86
87 return GetInt32(env, 0);
88 }
89
IsKeyExistWriteResult(napi_env env,IsKeyExistAsyncContext context)90 static napi_value IsKeyExistWriteResult(napi_env env, IsKeyExistAsyncContext context)
91 {
92 napi_value isKeyExist = nullptr;
93 if (context->result == HKS_SUCCESS) {
94 NAPI_CALL(env, napi_get_boolean(env, true, &isKeyExist));
95 } else {
96 NAPI_CALL(env, napi_get_boolean(env, false, &isKeyExist));
97 }
98 return isKeyExist;
99 }
100
IsKeyExistAsyncWork(napi_env env,IsKeyExistAsyncContext & context)101 static napi_value IsKeyExistAsyncWork(napi_env env, IsKeyExistAsyncContext &context)
102 {
103 napi_value promise = nullptr;
104 if (context->callback == nullptr) {
105 NAPI_CALL(env, napi_create_promise(env, &context->deferred, &promise));
106 }
107
108 napi_value resourceName = nullptr;
109 napi_create_string_latin1(env, "isKeyExistAsyncWork", NAPI_AUTO_LENGTH, &resourceName);
110
111 napi_create_async_work(
112 env,
113 nullptr,
114 resourceName,
115 [](napi_env env, void *data) {
116 IsKeyExistAsyncContext napiContext = static_cast<IsKeyExistAsyncContext>(data);
117
118 napiContext->result = HksKeyExist(napiContext->keyAlias, napiContext->paramSet);
119 },
120 [](napi_env env, napi_status status, void *data) {
121 IsKeyExistAsyncContext napiContext = static_cast<IsKeyExistAsyncContext>(data);
122 napi_value result = IsKeyExistWriteResult(env, napiContext);
123 if (napiContext->callback == nullptr) {
124 napi_resolve_deferred(env, napiContext->deferred, result);
125 } else if (result != nullptr) {
126 CallAsyncCallback(env, napiContext->callback, napiContext->result, result);
127 }
128 DeleteIsKeyExistAsyncContext(env, napiContext);
129 },
130 static_cast<void *>(context),
131 &context->asyncWork);
132
133 napi_status status = napi_queue_async_work(env, context->asyncWork);
134 if (status != napi_ok) {
135 GET_AND_THROW_LAST_ERROR((env));
136 DeleteIsKeyExistAsyncContext(env, context);
137 HKS_LOG_E("could not queue async work");
138 return nullptr;
139 }
140
141 if (context->callback == nullptr) {
142 return promise;
143 } else {
144 return GetNull(env);
145 }
146 }
147
HuksNapiIsKeyExist(napi_env env,napi_callback_info info)148 napi_value HuksNapiIsKeyExist(napi_env env, napi_callback_info info)
149 {
150 IsKeyExistAsyncContext context = CreateIsKeyExistAsyncContext();
151 if (context == nullptr) {
152 HKS_LOG_E("could not create context");
153 return nullptr;
154 }
155
156 napi_value result = IsKeyExistParseParams(env, info, context);
157 if (result == nullptr) {
158 HKS_LOG_E("could not parse params");
159 DeleteIsKeyExistAsyncContext(env, context);
160 return nullptr;
161 }
162
163 result = IsKeyExistAsyncWork(env, context);
164 if (result == nullptr) {
165 HKS_LOG_E("could not start async work");
166 DeleteIsKeyExistAsyncContext(env, context);
167 return nullptr;
168 }
169 return result;
170 }
171 } // namespace HuksNapi
172