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 "chmod.h"
17
18 #include <cstring>
19 #include <sys/stat.h>
20 #include <tuple>
21 #include <unistd.h>
22
23 #include "../../common/napi/n_async/n_async_work_callback.h"
24 #include "../../common/napi/n_async/n_async_work_promise.h"
25 #include "../../common/napi/n_func_arg.h"
26
27 namespace OHOS {
28 namespace DistributedFS {
29 namespace ModuleFileIO {
30 using namespace std;
31
Sync(napi_env env,napi_callback_info info)32 napi_value Chmod::Sync(napi_env env, napi_callback_info info)
33 {
34 NFuncArg funcArg(env, info);
35 if (!funcArg.InitArgs(NARG_CNT::TWO)) {
36 UniError(EINVAL).ThrowErr(env, "Number of arguments unmatched");
37 return nullptr;
38 }
39
40 auto [resGetFirstArg, path, unused] = NVal(env, funcArg[NARG_POS::FIRST]).ToUTF8String();
41 if (!resGetFirstArg) {
42 UniError(EINVAL).ThrowErr(env, "Invalid path");
43 return nullptr;
44 }
45
46 auto [resGetSecondArg, mode] = NVal(env, funcArg[NARG_POS::SECOND]).ToInt32();
47 if (!resGetSecondArg) {
48 UniError(EINVAL).ThrowErr(env, "Invalid mode");
49 return nullptr;
50 }
51
52 if (chmod(path.get(), mode) == -1) {
53 UniError(errno).ThrowErr(env);
54 return nullptr;
55 }
56
57 return NVal::CreateUndefined(env).val_;
58 }
59
Async(napi_env env,napi_callback_info info)60 napi_value Chmod::Async(napi_env env, napi_callback_info info)
61 {
62 NFuncArg funcArg(env, info);
63 if (!funcArg.InitArgs(NARG_CNT::TWO, NARG_CNT::THREE)) {
64 UniError(EINVAL).ThrowErr(env, "Number of arguments unmatched");
65 return nullptr;
66 }
67
68 auto [resGetFirstArg, tmp, unused] = NVal(env, funcArg[NARG_POS::FIRST]).ToUTF8String();
69 if (!resGetFirstArg) {
70 UniError(EINVAL).ThrowErr(env, "Invalid path");
71 return nullptr;
72 }
73
74 auto [resGetSecondArg, mode] = NVal(env, funcArg[NARG_POS::SECOND]).ToInt32();
75 if (!resGetSecondArg) {
76 UniError(EINVAL).ThrowErr(env, "Invalid mode");
77 }
78
79 string path = tmp.get();
80 auto cbExec = [path = path, mode = mode](napi_env env) -> UniError {
81 if (chmod(path.c_str(), mode) == -1) {
82 return UniError(errno);
83 } else {
84 return UniError(ERRNO_NOERR);
85 }
86 };
87
88 auto cbComplete = [](napi_env env, UniError err) -> NVal {
89 if (err) {
90 return { env, err.GetNapiErr(env) };
91 }
92 return { NVal::CreateUndefined(env) };
93 };
94
95 size_t argc = funcArg.GetArgc();
96 NVal thisVar(env, funcArg.GetThisVar());
97 const string procedureName = "FileIOChmod";
98 if (argc == NARG_CNT::TWO) {
99 return NAsyncWorkPromise(env, thisVar).Schedule(procedureName, cbExec, cbComplete).val_;
100 } else {
101 NVal cb(env, funcArg[NARG_POS::THIRD]);
102 return NAsyncWorkCallback(env, thisVar, cb).Schedule(procedureName, cbExec, cbComplete).val_;
103 }
104 }
105 } // namespace ModuleFileIO
106 } // namespace DistributedFS
107 } // namespace OHOS