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 "napi_pri_key.h"
17
18 #include "log.h"
19 #include "napi_crypto_framework_defines.h"
20 #include "napi_utils.h"
21 #include "securec.h"
22
23 namespace OHOS {
24 namespace CryptoFramework {
25 thread_local napi_ref NapiPriKey::classRef_ = nullptr;
26
NapiPriKey(HcfPriKey * priKey)27 NapiPriKey::NapiPriKey(HcfPriKey *priKey) : NapiKey(reinterpret_cast<HcfKey *>(priKey)) {}
28
~NapiPriKey()29 NapiPriKey::~NapiPriKey() {}
30
GetPriKey()31 HcfPriKey *NapiPriKey::GetPriKey()
32 {
33 return reinterpret_cast<HcfPriKey *>(NapiKey::GetHcfKey());
34 }
35
PriKeyConstructor(napi_env env,napi_callback_info info)36 napi_value NapiPriKey::PriKeyConstructor(napi_env env, napi_callback_info info)
37 {
38 LOGI("enter ...");
39
40 napi_value thisVar = nullptr;
41 napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr);
42
43 LOGI("out ...");
44 return thisVar;
45 }
46
ConvertToJsPriKey(napi_env env)47 napi_value NapiPriKey::ConvertToJsPriKey(napi_env env)
48 {
49 LOGI("enter ...");
50
51 napi_value instance;
52 napi_value constructor = nullptr;
53 napi_get_reference_value(env, classRef_, &constructor);
54 napi_new_instance(env, constructor, 0, nullptr, &instance);
55
56 const char *algName = this->GetPriKey()->base.getAlgorithm(&(this->GetPriKey()->base));
57 const char *format = this->GetPriKey()->base.getFormat(&(this->GetPriKey()->base));
58
59 napi_value napiAlgName = nullptr;
60 napi_create_string_utf8(env, algName, NAPI_AUTO_LENGTH, &napiAlgName);
61 napi_set_named_property(env, instance, CRYPTO_TAG_ALG_NAME.c_str(), napiAlgName);
62
63 napi_value napiFormat = nullptr;
64 napi_create_string_utf8(env, format, NAPI_AUTO_LENGTH, &napiFormat);
65 napi_set_named_property(env, instance, CRYPTO_TAG_FORMAT.c_str(), napiFormat);
66
67 LOGI("out ...");
68 return instance;
69 }
70
JsGetEncoded(napi_env env,napi_callback_info info)71 napi_value NapiPriKey::JsGetEncoded(napi_env env, napi_callback_info info)
72 {
73 napi_value thisVar = nullptr;
74 napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr);
75 NapiPriKey *napiPriKey = nullptr;
76 napi_unwrap(env, thisVar, reinterpret_cast<void **>(&napiPriKey));
77
78 HcfPriKey *priKey = napiPriKey->GetPriKey();
79
80 HcfBlob returnBlob;
81 HcfResult res = priKey->base.getEncoded(&priKey->base, &returnBlob);
82 if (res != HCF_SUCCESS) {
83 LOGE("c getEncoded fail.");
84 return nullptr;
85 }
86
87 napi_value instance = ConvertBlobToNapiValue(env, &returnBlob);
88 HcfBlobDataFree(&returnBlob);
89 return instance;
90 }
91
JsClearMem(napi_env env,napi_callback_info info)92 napi_value NapiPriKey::JsClearMem(napi_env env, napi_callback_info info)
93 {
94 napi_value thisVar = nullptr;
95 napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr);
96 NapiPriKey *napiPriKey = nullptr;
97 napi_unwrap(env, thisVar, reinterpret_cast<void **>(&napiPriKey));
98
99 HcfPriKey *priKey = napiPriKey->GetPriKey();
100
101 priKey->clearMem(priKey);
102 return nullptr;
103 }
104
DefinePriKeyJSClass(napi_env env)105 void NapiPriKey::DefinePriKeyJSClass(napi_env env)
106 {
107 napi_property_descriptor classDesc[] = {
108 DECLARE_NAPI_FUNCTION("getEncoded", NapiPriKey::JsGetEncoded),
109 DECLARE_NAPI_FUNCTION("clearMem", NapiPriKey::JsClearMem),
110 };
111 napi_value constructor = nullptr;
112 napi_define_class(env, "PriKey", NAPI_AUTO_LENGTH, NapiPriKey::PriKeyConstructor, nullptr,
113 sizeof(classDesc) / sizeof(classDesc[0]), classDesc, &constructor);
114 napi_create_reference(env, constructor, 1, &classRef_);
115 }
116 } // CryptoFramework
117 } // OHOS
118