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_key.h"
17
18 #include "securec.h"
19 #include "log.h"
20 #include "napi_utils.h"
21 #include "napi_crypto_framework_defines.h"
22
23 namespace OHOS {
24 namespace CryptoFramework {
25 thread_local napi_ref NapiKey::classRef_ = nullptr;
26
NapiKey(HcfKey * hcfKey)27 NapiKey::NapiKey(HcfKey *hcfKey)
28 {
29 this->hcfKey_ = hcfKey;
30 }
31
~NapiKey()32 NapiKey::~NapiKey() {}
33
GetHcfKey() const34 HcfKey *NapiKey::GetHcfKey() const
35 {
36 return this->hcfKey_;
37 }
38
JsGetAlgorithm(napi_env env,napi_callback_info info)39 napi_value NapiKey::JsGetAlgorithm(napi_env env, napi_callback_info info)
40 {
41 napi_value thisVar = nullptr;
42 NapiKey *napiKey = nullptr;
43 NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
44
45 NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void **>(&napiKey)));
46 HcfKey *key = napiKey->GetHcfKey();
47
48 const char *algo = key->getAlgorithm(key);
49 napi_value instance = nullptr;
50 napi_create_string_utf8(env, algo, NAPI_AUTO_LENGTH, &instance);
51 return instance;
52 }
53
JsGetFormat(napi_env env,napi_callback_info info)54 napi_value NapiKey::JsGetFormat(napi_env env, napi_callback_info info)
55 {
56 napi_value thisVar = nullptr;
57 NapiKey *napiKey = nullptr;
58 NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
59
60 NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void **>(&napiKey)));
61 HcfKey *key = napiKey->GetHcfKey();
62
63 const char *format = key->getFormat(key);
64 napi_value instance = nullptr;
65 napi_create_string_utf8(env, format, NAPI_AUTO_LENGTH, &instance);
66 return instance;
67 }
68
JsGetEncoded(napi_env env,napi_callback_info info)69 napi_value NapiKey::JsGetEncoded(napi_env env, napi_callback_info info)
70 {
71 napi_value thisVar = nullptr;
72 NapiKey *napiKey = nullptr;
73 NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
74
75 NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void **>(&napiKey)));
76 HcfKey *key = napiKey->GetHcfKey();
77
78 HcfBlob blob = { .data = nullptr, .len = 0 };
79 HcfResult res = key->getEncoded(key, &blob);
80 if (res != 0) {
81 napi_throw(env, GenerateBusinessError(env, res, "getEncoded failed.", false));
82 LOGE("getEncoded failed!");
83 return nullptr;
84 }
85 napi_value instance = ConvertBlobToNapiValue(env, &blob);
86 HcfBlobDataFree(&blob);
87 return instance;
88 }
89
KeyConstructor(napi_env env,napi_callback_info info)90 napi_value NapiKey::KeyConstructor(napi_env env, napi_callback_info info)
91 {
92 napi_value thisVar = nullptr;
93 napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr);
94 return thisVar;
95 }
96
DefineHcfKeyJSClass(napi_env env)97 void NapiKey::DefineHcfKeyJSClass(napi_env env)
98 {
99 napi_property_descriptor classDesc[] = {
100 DECLARE_NAPI_FUNCTION("getEncoded", NapiKey::JsGetEncoded),
101 {.utf8name = "format", .getter = NapiKey::JsGetFormat},
102 {.utf8name = "algName", .getter = NapiKey::JsGetAlgorithm},
103 };
104 napi_value constructor = nullptr;
105 napi_define_class(env, "HcfKey", NAPI_AUTO_LENGTH, KeyConstructor, nullptr,
106 sizeof(classDesc) / sizeof(classDesc[0]), classDesc, &constructor);
107 napi_create_reference(env, constructor, 1, &classRef_);
108 }
109 } // CryptoFramework
110 } // OHOS