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 "hiview_file_info.h"
17 #include "hiview_napi_adapter.h"
18 #include "hiview_napi_util.h"
19 #include "hiview_service_agent.h"
20 #include "hiview_logger.h"
21 #include "napi/native_api.h"
22 #include "napi/native_node_api.h"
23 #include "string_util.h"
24 
25 namespace OHOS {
26 namespace HiviewDFX {
27 DEFINE_LOG_LABEL(0xD002D03, "NAPI_HIVIEW_JS");
28 namespace {
29 constexpr size_t LOG_TYPE_INDEX = 0;
30 constexpr size_t LOG_NAME_INDEX = 1;
31 constexpr size_t DEST_DIR_INDEX = 2;
32 }
33 
List(napi_env env,napi_callback_info info)34 static napi_value List(napi_env env, napi_callback_info info)
35 {
36     if (!HiviewNapiUtil::IsSystemAppCall()) {
37         HiviewNapiUtil::ThrowSystemAppPermissionError(env);
38         return nullptr;
39     }
40     constexpr size_t listParamNum = 1;
41     size_t paramNum = listParamNum;
42     napi_value params[listParamNum] = { 0 };
43     napi_value result = nullptr;
44     napi_get_undefined(env, &result);
45     NAPI_CALL(env, napi_get_cb_info(env, info, &paramNum, params, nullptr, nullptr));
46     if (paramNum < listParamNum) {
47         HIVIEW_LOGE("num of params is invalid: %{public}zu", paramNum);
48         return result;
49     }
50     std::string logType;
51     if (!HiviewNapiUtil::ParseStringValue(env, "logType", params[LOG_TYPE_INDEX], logType)) {
52         return result;
53     }
54     std::vector<HiviewFileInfo> fileInfos;
55     int32_t retCode = HiviewServiceAgent::GetInstance().List(logType, fileInfos);
56     HIVIEW_LOGI("retCode: %{public}u.", retCode);
57     if (retCode == 0) {
58         return HiviewNapiUtil::GenerateFileInfoResult(env, fileInfos);
59     } else {
60         HiviewNapiUtil::ThrowErrorByCode(env, retCode);
61         return result;
62     }
63 }
64 
CopyOrMoveFile(napi_env env,napi_callback_info info,bool isMove)65 static napi_value CopyOrMoveFile(napi_env env, napi_callback_info info, bool isMove)
66 {
67     if (isMove) {
68         HIVIEW_LOGI("call move");
69     } else {
70         HIVIEW_LOGI("call copy");
71     }
72     constexpr size_t maxParamNum = 4;
73     constexpr size_t paramNumWithoutCallback = 3;
74     size_t paramNum = maxParamNum;
75     napi_value params[maxParamNum] = { 0 };
76     NAPI_CALL(env, napi_get_cb_info(env, info, &paramNum, params, nullptr, nullptr));
77     napi_value result = nullptr;
78     napi_get_undefined(env, &result);
79     if (paramNum < paramNumWithoutCallback) {
80         HIVIEW_LOGE("num of params is invalid %{public}zu.", paramNum);
81         return result;
82     }
83     std::string logType;
84     std::string logName;
85     std::string destDir;
86     if (!HiviewNapiUtil::ParseStringValue(env, "logType", params[LOG_TYPE_INDEX], logType)
87         || !HiviewNapiUtil::ParseStringValue(env, "logName", params[LOG_NAME_INDEX], logName)
88         || !HiviewNapiUtil::ParseStringValue(env, "dest", params[DEST_DIR_INDEX], destDir)) {
89         return result;
90     }
91     HIVIEW_LOGI("type:%{public}s, name:%{public}s, dir: %{public}s",
92         logType.c_str(), StringUtil::HideSnInfo(logName).c_str(), destDir.c_str());
93     if (!HiviewNapiUtil::CheckDirPath(destDir)) {
94         HIVIEW_LOGE("dest param is invalid: %{public}s", destDir.c_str());
95         HiviewNapiUtil::ThrowParamContentError(env, "dest");
96         return result;
97     }
98     HiviewFileParams* hiviewFileParams = new(std::nothrow) HiviewFileParams(logType, logName, destDir);
99     if (hiviewFileParams == nullptr) {
100         HIVIEW_LOGE("failed to allocate memory");
101         return result;
102     } else if (paramNum == maxParamNum) {
103         if (!HiviewNapiUtil::IsMatchType(env, params[paramNumWithoutCallback], napi_function)) {
104             HIVIEW_LOGE("no valid function param");
105             HiviewNapiUtil::ThrowParamTypeError(env, "callback", "function");
106             delete hiviewFileParams;
107             return result;
108         }
109         napi_create_reference(env, params[paramNumWithoutCallback], 1, &hiviewFileParams->callback);
110     } else {
111         napi_create_promise(env, &hiviewFileParams->deferred, &result);
112     }
113     isMove ? HiviewNapiAdapter::Move(env, hiviewFileParams) : HiviewNapiAdapter::Copy(env, hiviewFileParams);
114     return result;
115 }
116 
Copy(napi_env env,napi_callback_info info)117 static napi_value Copy(napi_env env, napi_callback_info info)
118 {
119     if (!HiviewNapiUtil::IsSystemAppCall()) {
120         HiviewNapiUtil::ThrowSystemAppPermissionError(env);
121         return nullptr;
122     }
123     return CopyOrMoveFile(env, info, false);
124 }
125 
Move(napi_env env,napi_callback_info info)126 static napi_value Move(napi_env env, napi_callback_info info)
127 {
128     if (!HiviewNapiUtil::IsSystemAppCall()) {
129         HiviewNapiUtil::ThrowSystemAppPermissionError(env);
130         return nullptr;
131     }
132     return CopyOrMoveFile(env, info, true);
133 }
134 
Remove(napi_env env,napi_callback_info info)135 static napi_value Remove(napi_env env, napi_callback_info info)
136 {
137     if (!HiviewNapiUtil::IsSystemAppCall()) {
138         HiviewNapiUtil::ThrowSystemAppPermissionError(env);
139         return nullptr;
140     }
141     constexpr size_t removeParamNum = 2;
142     size_t paramNum = removeParamNum;
143     napi_value params[removeParamNum] = { 0 };
144     napi_value result = nullptr;
145     napi_get_undefined(env, &result);
146     NAPI_CALL(env, napi_get_cb_info(env, info, &paramNum, params, nullptr, nullptr));
147     if (paramNum < removeParamNum) {
148         HIVIEW_LOGE("num of params is invalid: %{public}zu", paramNum);
149         return result;
150     }
151     std::string logType;
152     std::string logName;
153     if (!HiviewNapiUtil::ParseStringValue(env, "logType", params[LOG_TYPE_INDEX], logType)
154         || !HiviewNapiUtil::ParseStringValue(env, "logName", params[LOG_NAME_INDEX], logName)) {
155         return result;
156     }
157     HIVIEW_LOGI("type: %{public}s, name: %{public}s", logType.c_str(), StringUtil::HideSnInfo(logName).c_str());
158     int32_t retCode = HiviewServiceAgent::GetInstance().Remove(logType, logName);
159     if (retCode != 0) {
160         HIVIEW_LOGI("retCode: %{public}u.", retCode);
161         HiviewNapiUtil::ThrowErrorByCode(env, retCode);
162     }
163     return result;
164 }
165 
166 EXTERN_C_START
Init(napi_env env,napi_value exports)167 static napi_value Init(napi_env env, napi_value exports)
168 {
169     napi_property_descriptor desc[] = {
170         DECLARE_NAPI_FUNCTION("list", List),
171         DECLARE_NAPI_FUNCTION("copy", Copy),
172         DECLARE_NAPI_FUNCTION("move", Move),
173         DECLARE_NAPI_FUNCTION("remove", Remove)
174     };
175     NAPI_CALL(env, napi_define_properties(env, exports, sizeof(desc) / sizeof(napi_property_descriptor), desc));
176     return exports;
177 }
178 EXTERN_C_END
179 
180 static napi_module _module = {
181     .nm_version = 1,
182     .nm_flags = 0,
183     .nm_filename = nullptr,
184     .nm_register_func = Init,
185     .nm_modname = "logLibrary",
186     .nm_priv = ((void *) 0),
187     .reserved = {0}
188 };
189 
RegisterModule(void)190 extern "C" __attribute__((constructor)) void RegisterModule(void)
191 {
192     napi_module_register(&_module);
193 }
194 } // namespace HiviewDFX
195 } // namespace OHOS