| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.security; |
| |
| import android.content.Context; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.service.gatekeeper.IGateKeeperService; |
| |
| /** |
| * Convenience class for accessing the gatekeeper service. |
| * |
| * @hide |
| */ |
| public abstract class GateKeeper { |
| |
| public static final long INVALID_SECURE_USER_ID = 0; |
| |
| private GateKeeper() {} |
| |
| public static IGateKeeperService getService() { |
| IGateKeeperService service = IGateKeeperService.Stub.asInterface( |
| ServiceManager.getService(Context.GATEKEEPER_SERVICE)); |
| if (service == null) { |
| throw new IllegalStateException("Gatekeeper service not available"); |
| } |
| return service; |
| } |
| |
| public static long getSecureUserId() throws IllegalStateException { |
| try { |
| return getService().getSecureUserId(UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| throw new IllegalStateException( |
| "Failed to obtain secure user ID from gatekeeper", e); |
| } |
| } |
| } |