1 /*
2  * Copyright (c) 2023 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 "create_checksum.h"
17 
18 #include <memory>
19 #include <tuple>
20 
21 #include "class_checksum/checksum_entity.h"
22 #include "class_checksum/checksum_n_exporter.h"
23 #include "common/common_func.h"
24 #include "common/file_utils.h"
25 #include "app_log_wrapper.h"
26 
27 namespace OHOS {
28 namespace AppExecFwk {
29 namespace LIBZIP {
30 using namespace std;
31 
InstantiateChecksum(napi_env env)32 static NapiValue InstantiateChecksum(napi_env env)
33 {
34     napi_value objChecksum = NapiClass::InstantiateClass(env, ChecksumNExporter::className_, {});
35     if (!objChecksum) {
36         NapiBusinessError(EFAULT, true).ThrowErr(env, "INNER BUG. Cannot instantiate stream");
37         return NapiValue();
38     }
39 
40     return { env, objChecksum };
41 }
42 
Sync(napi_env env,napi_callback_info info)43 napi_value CreateChecksum::Sync(napi_env env, napi_callback_info info)
44 {
45     return InstantiateChecksum(env).val_;
46 }
47 
Async(napi_env env,napi_callback_info info)48 napi_value CreateChecksum::Async(napi_env env, napi_callback_info info)
49 {
50     NapiFuncArg funcArg(env, info);
51     if (!funcArg.InitArgs(ArgumentCount::ZERO, ArgumentCount::ONE)) {
52         APP_LOGE("Number of arguments unmatched");
53         NapiBusinessError(EINVAL, true).ThrowErr(env);
54         return nullptr;
55     }
56 
57     auto cbExec = [](napi_env env) -> NapiBusinessError {
58         return NapiBusinessError(ERRNO_NOERR);
59     };
60 
61     auto cbCompl = [](napi_env env, NapiBusinessError err) -> NapiValue {
62         if (err) {
63             return { env, err.GetNapiErr(env) };
64         }
65         return InstantiateChecksum(env);
66     };
67 
68     NapiValue thisVar(env, funcArg.GetThisVar());
69     if (funcArg.GetArgc() == ArgumentCount::ZERO) {
70         return NapiAsyncWorkPromise(env, thisVar).Schedule(PROCEDURE_CREATE_CHECKSUM_NAME, cbExec, cbCompl).val_;
71     } else {
72         NapiValue cb(env, funcArg[ArgumentPosition::FIRST]);
73         return NapiAsyncWorkCallback(env, thisVar, cb).Schedule(PROCEDURE_CREATE_CHECKSUM_NAME, cbExec, cbCompl).val_;
74     }
75 }
76 } // namespace LIBZIP
77 } // namespace AppExecFwk
78 } // namespace OHOS