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 ptr->InitAttribute(EdmInterfaceCode::DISABLE_MICROPHONE, "disable_microphone",
34 "ohos.permission.ENTERPRISE_MANAGE_RESTRICTIONS", IPlugin::PermissionType::SUPER_DEVICE_ADMIN, true);
35 ptr->SetSerializer(BoolSerializer::GetInstance());
36 ptr->SetOnHandlePolicyListener(&DisableMicrophonePlugin::OnSetPolicy, FuncOperateType::SET);
37 }
38
OnSetPolicy(bool & isDisallow)39 ErrCode DisableMicrophonePlugin::OnSetPolicy(bool &isDisallow)
40 {
41 EDMLOGI("DisableMicrophonePlugin OnSetPolicy...isDisallow = %{public}d", isDisallow);
42 auto audioGroupManager = OHOS::AudioStandard::AudioSystemManager::GetInstance()
43 ->GetGroupManager(OHOS::AudioStandard::DEFAULT_VOLUME_GROUP_ID);
44 if (audioGroupManager == nullptr) {
45 EDMLOGE("DisableMicrophonePlugin audioGroupManager null");
46 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
47 }
48 int32_t ret = audioGroupManager
49 ->SetMicrophoneMutePersistent(isDisallow, OHOS::AudioStandard::PolicyType::EDM_POLICY_TYPE);
50 if (ret == AUDIO_SET_MICROPHONE_MUTE_SUCCESS || (!isDisallow && ret == ERR_PRIVACY_POLICY_CHECK_FAILED)) {
51 std::string disableStr = isDisallow ? "true" : "false";
52 system::SetParameter(PARAM_EDM_MIC_DISABLE, disableStr);
53 return ERR_OK;
54 }
55 EDMLOGE("DisableMicrophonePlugin DisableMicrophone result %{public}d", ret);
56 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
57 }
58
OnGetPolicy(std::string & policyData,MessageParcel & data,MessageParcel & reply,int32_t userId)59 ErrCode DisableMicrophonePlugin::OnGetPolicy(std::string &policyData, MessageParcel &data, MessageParcel &reply,
60 int32_t userId)
61 {
62 bool isMicDisabled = system::GetBoolParameter(PARAM_EDM_MIC_DISABLE, false);
63 EDMLOGI("DisableMicrophonePlugin OnGetPolicy isMicDisabled = %{public}d", isMicDisabled);
64 reply.WriteInt32(ERR_OK);
65 reply.WriteBool(isMicDisabled);
66 return ERR_OK;
67 }
68 } // namespace EDM
69 } // namespace OHOS
70