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 "disable_microphone_plugin.h"
17
18 #include "audio_system_manager.h"
19 #include "bool_serializer.h"
20 #include "edm_ipc_interface_code.h"
21 #include "parameters.h"
22 #include "plugin_manager.h"
23
24 namespace OHOS {
25 namespace EDM {
26 const bool REGISTER_RESULT = PluginManager::GetInstance()->AddPlugin(DisableMicrophonePlugin::GetPlugin());
27 const std::string PARAM_EDM_MIC_DISABLE = "persist.edm.mic_disable";
28 constexpr int32_t AUDIO_SET_MICROPHONE_MUTE_SUCCESS = 0;
29 constexpr int32_t ERR_PRIVACY_POLICY_CHECK_FAILED = 13100019;
InitPlugin(std::shared_ptr<IPluginTemplate<DisableMicrophonePlugin,bool>> ptr)30 void DisableMicrophonePlugin::InitPlugin(std::shared_ptr<IPluginTemplate<DisableMicrophonePlugin, bool>> ptr)
31 {
32 EDMLOGI("DisableMicrophonePlugin InitPlugin...");
33 std::map<IPlugin::PermissionType, std::string> typePermissions;
34 typePermissions.emplace(IPlugin::PermissionType::SUPER_DEVICE_ADMIN,
35 "ohos.permission.ENTERPRISE_MANAGE_RESTRICTIONS");
36 typePermissions.emplace(IPlugin::PermissionType::BYOD_DEVICE_ADMIN,
37 "ohos.permission.PERSONAL_MANAGE_RESTRICTIONS");
38 IPlugin::PolicyPermissionConfig config = IPlugin::PolicyPermissionConfig(typePermissions, IPlugin::ApiType::PUBLIC);
39 ptr->InitAttribute(EdmInterfaceCode::DISABLE_MICROPHONE, "disable_microphone", config, true);
40 ptr->SetSerializer(BoolSerializer::GetInstance());
41 ptr->SetOnHandlePolicyListener(&DisableMicrophonePlugin::OnSetPolicy, FuncOperateType::SET);
42 ptr->SetOnAdminRemoveListener(&DisableMicrophonePlugin::OnAdminRemove);
43 }
44
OnSetPolicy(bool & isDisallow)45 ErrCode DisableMicrophonePlugin::OnSetPolicy(bool &isDisallow)
46 {
47 EDMLOGI("DisableMicrophonePlugin OnSetPolicy...isDisallow = %{public}d", isDisallow);
48 auto audioGroupManager = OHOS::AudioStandard::AudioSystemManager::GetInstance()
49 ->GetGroupManager(OHOS::AudioStandard::DEFAULT_VOLUME_GROUP_ID);
50 if (audioGroupManager == nullptr) {
51 EDMLOGE("DisableMicrophonePlugin audioGroupManager null");
52 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
53 }
54 int32_t ret = audioGroupManager
55 ->SetMicrophoneMutePersistent(isDisallow, OHOS::AudioStandard::PolicyType::EDM_POLICY_TYPE);
56 if (ret == AUDIO_SET_MICROPHONE_MUTE_SUCCESS || (!isDisallow && ret == ERR_PRIVACY_POLICY_CHECK_FAILED)) {
57 std::string disableStr = isDisallow ? "true" : "false";
58 system::SetParameter(PARAM_EDM_MIC_DISABLE, disableStr);
59 return ERR_OK;
60 }
61 EDMLOGE("DisableMicrophonePlugin DisableMicrophone result %{public}d", ret);
62 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
63 }
64
OnAdminRemove(const std::string & adminName,bool & data,int32_t userId)65 ErrCode DisableMicrophonePlugin::OnAdminRemove(const std::string &adminName, bool &data, int32_t userId)
66 {
67 EDMLOGI("DisableMicrophonePlugin OnAdminRemove %{public}d...", data);
68 if (!data) {
69 return ERR_OK;
70 }
71 bool reset = false;
72 return OnSetPolicy(reset);
73 }
74
OnGetPolicy(std::string & policyData,MessageParcel & data,MessageParcel & reply,int32_t userId)75 ErrCode DisableMicrophonePlugin::OnGetPolicy(std::string &policyData, MessageParcel &data, MessageParcel &reply,
76 int32_t userId)
77 {
78 bool isMicDisabled = system::GetBoolParameter(PARAM_EDM_MIC_DISABLE, false);
79 EDMLOGI("DisableMicrophonePlugin OnGetPolicy isMicDisabled = %{public}d", isMicDisabled);
80 reply.WriteInt32(ERR_OK);
81 reply.WriteBool(isMicDisabled);
82 return ERR_OK;
83 }
84 } // namespace EDM
85 } // namespace OHOS
86