blob: a50ff798434121df75eefb7ed5b16c637c4b7a65 [file] [log] [blame]
/*
* 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.annotation.UnsupportedAppUsage;
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;
}
@UnsupportedAppUsage
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);
}
}
}