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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 #include "location_policy_plugin.h"
16 #include "edm_ipc_interface_code.h"
17 #include "locator_impl.h"
18 #include "parameters.h"
19 #include "int_serializer.h"
20 #include "iplugin_manager.h"
21 #include "location_policy.h"
22 
23 namespace OHOS {
24 namespace EDM {
25 
26 const bool REGISTER_RESULT = IPluginManager::GetInstance()->AddPlugin(LocationPolicyPlugin::GetPlugin());
27 const std::string PARAM_EDM_LOCATION_POLICY = "persist.edm.location_policy";
InitPlugin(std::shared_ptr<IPluginTemplate<LocationPolicyPlugin,int32_t>> ptr)28 void LocationPolicyPlugin::InitPlugin(std::shared_ptr<IPluginTemplate<LocationPolicyPlugin, int32_t>> ptr)
29 {
30     EDMLOGI("LocationPolicyPlugin InitPlugin...");
31     ptr->InitAttribute(EdmInterfaceCode::LOCATION_POLICY, PolicyName::POLICY_LOCATION_POLICY,
32         EdmPermission::PERMISSION_ENTERPRISE_MANAGE_LOCATION, IPlugin::PermissionType::SUPER_DEVICE_ADMIN, true);
33     ptr->SetSerializer(IntSerializer::GetInstance());
34     ptr->SetOnHandlePolicyListener(&LocationPolicyPlugin::OnSetPolicy, FuncOperateType::SET);
35     ptr->SetOnAdminRemoveListener(&LocationPolicyPlugin::OnAdminRemove);
36 }
37 
OnSetPolicy(int32_t & data,int32_t & currentData,int32_t & mergeData,int32_t userId)38 ErrCode LocationPolicyPlugin::OnSetPolicy(int32_t &data, int32_t &currentData, int32_t &mergeData, int32_t userId)
39 {
40     EDMLOGD("LocationPolicyPlugin set location policy value = %{public}d.", data);
41     if (mergeData != static_cast<int32_t>(LocationPolicy::DEFAULT_LOCATION_SERVICE)) {
42         EDMLOGE("LocationPolicyPlugin set location failed, anaother admin has already set location policy.");
43         return EdmReturnErrCode::PARAM_ERROR;
44     }
45     switch (data) {
46         case static_cast<int32_t>(LocationPolicy::DEFAULT_LOCATION_SERVICE):
47             SetDefaultLocationPolicy();
48             break;
49         case static_cast<int32_t>(LocationPolicy::DISALLOW_LOCATION_SERVICE):
50             system::SetParameter(PARAM_EDM_LOCATION_POLICY, "disallow");
51             Location::LocatorImpl::GetInstance()->EnableAbility(false);
52             break;
53         case static_cast<int32_t>(LocationPolicy::FORCE_OPEN_LOCATION_SERVICE):
54             system::SetParameter(PARAM_EDM_LOCATION_POLICY, "force_open");
55             Location::LocatorImpl::GetInstance()->EnableAbility(true);
56             break;
57         default:
58             EDMLOGD("LocationPolicyPlugin location policy illegal. Value = %{public}d.", data);
59             return EdmReturnErrCode::PARAM_ERROR;
60     }
61     currentData = data;
62     mergeData = data;
63     return ERR_OK;
64 }
65 
SetDefaultLocationPolicy()66 void LocationPolicyPlugin::SetDefaultLocationPolicy()
67 {
68     std::string currentState = system::GetParameter(PARAM_EDM_LOCATION_POLICY, "");
69     system::SetParameter(PARAM_EDM_LOCATION_POLICY, "none");
70     if (currentState == "force_open") {
71         Location::LocatorImpl::GetInstance()->EnableAbility(false);
72     }
73 }
74 
OnAdminRemove(const std::string & adminName,int32_t & policyData,int32_t & mergeData,int32_t userId)75 ErrCode LocationPolicyPlugin::OnAdminRemove(const std::string &adminName, int32_t &policyData, int32_t &mergeData,
76     int32_t userId)
77 {
78     if (policyData == static_cast<int32_t>(LocationPolicy::DEFAULT_LOCATION_SERVICE)) {
79         return ERR_OK;
80     }
81     SetDefaultLocationPolicy();
82     return ERR_OK;
83 }
84 } // namespace EDM
85 } // namespace OHOS
86