1 /*
2  * Copyright (c) 2024 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 "privacy_controller.h"
17 
18 #include "hiview_logger.h"
19 #include "plugin_factory.h"
20 
21 namespace OHOS {
22 namespace HiviewDFX {
23 REGISTER(PrivacyController);
24 DEFINE_LOG_TAG("PrivacyController");
25 
OnLoad()26 void PrivacyController::OnLoad()
27 {
28     InitAreaPolicy();
29 }
30 
InitAreaPolicy()31 void PrivacyController::InitAreaPolicy()
32 {
33     auto context = GetHiviewContext();
34     if (context == nullptr) {
35         HIVIEW_LOGW("context is null");
36         return;
37     }
38 
39     std::string configPath = context->GetHiViewDirectory(HiviewContext::DirectoryType::CONFIG_DIRECTORY);
40     const std::string configFileName = "area_policy.json";
41     areaPolicy_ = std::make_unique<AreaPolicy>(configPath.append(configFileName));
42 }
43 
OnEvent(std::shared_ptr<Event> & event)44 bool PrivacyController::OnEvent(std::shared_ptr<Event>& event)
45 {
46     if (event == nullptr) {
47         return false;
48     }
49 
50     if (areaPolicy_ == nullptr) {
51         return true;
52     }
53 
54     auto sysEvent = std::static_pointer_cast<SysEvent>(event);
55     if (!areaPolicy_->IsAllowed(sysEvent)) {
56         HIVIEW_LOGD("event[%{public}s|%{public}s] is not allowed",
57             sysEvent->domain_.c_str(), sysEvent->eventName_.c_str());
58         return sysEvent->OnFinish();
59     }
60     return true;
61 }
62 } // namespace HiviewDFX
63 } // namespace OHOS
64