1 /*
2  * Copyright (c) 2024 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_list_aliases.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_LIST_ALIASES_ARGS = 1;
30 }  // namespace
31 
32 struct ListAliasesAsyncContextT {
33     napi_async_work asyncWork = nullptr;
34     napi_deferred deferred = nullptr;
35     napi_ref callback = nullptr;
36 
37     int32_t result = 0;
38     struct HksParamSet *paramSet = nullptr;
39     struct HksKeyAliasSet *outSet = nullptr;
40 };
41 using ListAliasesAsyncContext = ListAliasesAsyncContextT *;
42 
CreateListAliasesAsyncContext()43 static ListAliasesAsyncContext CreateListAliasesAsyncContext()
44 {
45     ListAliasesAsyncContext context = static_cast<ListAliasesAsyncContext>(HksMalloc(sizeof(ListAliasesAsyncContextT)));
46     if (context != nullptr) {
47         (void)memset_s(context, sizeof(ListAliasesAsyncContextT), 0, sizeof(ListAliasesAsyncContextT));
48     }
49     return context;
50 }
51 
DeleteListAliasesAsyncContext(napi_env env,ListAliasesAsyncContext & context)52 static void DeleteListAliasesAsyncContext(napi_env env, ListAliasesAsyncContext &context)
53 {
54     if (context == nullptr) {
55         return;
56     }
57     if (context->asyncWork != nullptr) {
58         napi_delete_async_work(env, context->asyncWork);
59         context->asyncWork = nullptr;
60     }
61     if (context->callback != nullptr) {
62         napi_delete_reference(env, context->callback);
63         context->callback = nullptr;
64     }
65     if (context->paramSet != nullptr) {
66         HksFreeParamSet(&context->paramSet);
67     }
68     if (context->outSet != nullptr) {
69         FreeHksKeyAliasSet(context->outSet, context->outSet->aliasesCnt);
70     }
71 
72     HKS_FREE(context);
73     context = nullptr;
74 }
75 
ListAliasesParseParams(napi_env env,napi_callback_info info,ListAliasesAsyncContext context)76 static napi_value ListAliasesParseParams(napi_env env, napi_callback_info info, ListAliasesAsyncContext context)
77 {
78     size_t argc = HUKS_NAPI_LIST_ALIASES_ARGS;
79     napi_value argv[HUKS_NAPI_LIST_ALIASES_ARGS] = { 0 };
80     NAPI_CALL(env, napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr));
81 
82     if (argc != HUKS_NAPI_LIST_ALIASES_ARGS) {
83         HksNapiThrow(env, HUKS_ERR_CODE_ILLEGAL_ARGUMENT, "no enough params input");
84         HKS_LOG_E("no enough params");
85         return nullptr;
86     }
87 
88     size_t index = 0;
89     napi_value result = ParseGetHksParamSet(env, argv[index], context->paramSet);
90     if (result == nullptr) {
91         HksNapiThrow(env, HUKS_ERR_CODE_ILLEGAL_ARGUMENT, "could not get paramset");
92         HKS_LOG_E("listAliases parse params failed");
93         return nullptr;
94     }
95 
96     return GetInt32(env, 0);
97 }
98 
ListAliasesAsyncWork(napi_env env,ListAliasesAsyncContext & context)99 static napi_value ListAliasesAsyncWork(napi_env env, ListAliasesAsyncContext &context)
100 {
101     napi_value promise = nullptr;
102     if (context->callback == nullptr) {
103         NAPI_CALL(env, napi_create_promise(env, &context->deferred, &promise));
104     }
105 
106     napi_value resourceName = nullptr;
107     napi_create_string_latin1(env, "listAliasesAsyncWork", NAPI_AUTO_LENGTH, &resourceName);
108 
109     napi_create_async_work(
110         env,
111         nullptr,
112         resourceName,
113         [](napi_env env, void *data) {
114             ListAliasesAsyncContext napiContext = static_cast<ListAliasesAsyncContext>(data);
115             napiContext->result = HksListAliases(napiContext->paramSet, &(napiContext->outSet));
116         },
117         [](napi_env env, napi_status status, void *data) {
118             ListAliasesAsyncContext napiContext = static_cast<ListAliasesAsyncContext>(data);
119             HksSuccessListAliasesResult resultData;
120             SuccessListAliasesReturnResultInit(resultData);
121             resultData.aliasSet = napiContext->outSet;
122             HksReturnListAliasesResult(env, napiContext->callback, napiContext->deferred, napiContext->result,
123                 resultData);
124             DeleteListAliasesAsyncContext(env, napiContext);
125         },
126         static_cast<void *>(context),
127         &context->asyncWork);
128 
129     napi_status status = napi_queue_async_work(env, context->asyncWork);
130     if (status != napi_ok) {
131         DeleteListAliasesAsyncContext(env, context);
132         HKS_LOG_E("could not queue async work");
133         return nullptr;
134     }
135 
136     return promise;
137 }
138 
HuksNapiListAliases(napi_env env,napi_callback_info info)139 napi_value HuksNapiListAliases(napi_env env, napi_callback_info info)
140 {
141     ListAliasesAsyncContext context = CreateListAliasesAsyncContext();
142     if (context == nullptr) {
143         HKS_LOG_E("could not create context");
144         return nullptr;
145     }
146 
147     napi_value result = ListAliasesParseParams(env, info, context);
148     if (result == nullptr) {
149         HKS_LOG_E("could not parse params");
150         DeleteListAliasesAsyncContext(env, context);
151         return nullptr;
152     }
153 
154     result = ListAliasesAsyncWork(env, context);
155     if (result == nullptr) {
156         HKS_LOG_E("could not start async work");
157         DeleteListAliasesAsyncContext(env, context);
158         return nullptr;
159     }
160     return result;
161 }
162 }  // namespace HuksNapiItem
163