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/*
* Copyright 2014, 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 com.android.managedprovisioning.task;
import android.app.AppGlobals;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.os.RemoteException;
import android.os.UserHandle;
import com.android.managedprovisioning.ProvisionLogger;
/**
* This tasks sets a given component as the owner of the device. If provided it also sets a given
* component as the device initializer, which can perform additional setup steps at the end of
* provisioning before setting the device as provisioned.
*/
public class SetDevicePolicyTask {
public static final int ERROR_PACKAGE_NOT_INSTALLED = 0;
public static final int ERROR_NO_RECEIVER = 1;
public static final int ERROR_OTHER = 2;
private final Callback mCallback;
private final Context mContext;
private String mAdminPackage;
private ComponentName mAdminComponent;
private final String mOwnerName;
private ComponentName mInitializerComponent;
private String mInitializerPackageName;
private PackageManager mPackageManager;
private DevicePolicyManager mDevicePolicyManager;
public SetDevicePolicyTask(Context context, String ownerName,
ComponentName initializerComponent, Callback callback) {
mCallback = callback;
mContext = context;
mOwnerName = ownerName;
mInitializerComponent = initializerComponent;
if (mInitializerComponent != null) {
mInitializerPackageName = initializerComponent.getPackageName();
}
mPackageManager = mContext.getPackageManager();
mDevicePolicyManager = (DevicePolicyManager) mContext.
getSystemService(Context.DEVICE_POLICY_SERVICE);
}
public void run(ComponentName adminComponent) {
try {
mAdminComponent = adminComponent;
mAdminPackage = mAdminComponent.getPackageName();
enableDevicePolicyApp(mAdminPackage);
setActiveAdmin(mAdminComponent);
setDeviceOwner(mAdminPackage, mOwnerName);
if (mInitializerComponent != null) {
enableDevicePolicyApp(mInitializerPackageName);
setActiveAdmin(mInitializerComponent);
if (!setDeviceInitializer(mInitializerComponent)) {
// error reported in setDeviceInitializer
return;
}
}
} catch (Exception e) {
ProvisionLogger.loge("Failure setting device owner or initializer", e);
mCallback.onError(ERROR_OTHER);
return;
}
mCallback.onSuccess();
}
private void enableDevicePolicyApp(String packageName) {
int enabledSetting = mPackageManager.getApplicationEnabledSetting(packageName);
if (enabledSetting != PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) {
mPackageManager.setApplicationEnabledSetting(packageName,
PackageManager.COMPONENT_ENABLED_STATE_DEFAULT,
// Device policy app may have launched ManagedProvisioning, play nice and don't
// kill it as a side-effect of this call.
PackageManager.DONT_KILL_APP);
}
}
public void setActiveAdmin(ComponentName component) {
ProvisionLogger.logd("Setting " + component + " as active admin.");
mDevicePolicyManager.setActiveAdmin(component, true);
}
public void setDeviceOwner(String packageName, String owner) {
ProvisionLogger.logd("Setting " + packageName + " as device owner " + owner + ".");
if (!mDevicePolicyManager.isDeviceOwner(packageName)) {
mDevicePolicyManager.setDeviceOwner(packageName, owner);
}
}
public boolean setDeviceInitializer(ComponentName component) {
ProvisionLogger.logd("Setting " + component + " as device initializer.");
if (!mDevicePolicyManager.isDeviceInitializerApp(component.getPackageName())) {
mDevicePolicyManager.setDeviceInitializer(null, component);
}
IPackageManager pm = AppGlobals.getPackageManager();
try {
pm.setBlockUninstallForUser(component.getPackageName(), true,
UserHandle.getCallingUserId());
} catch (RemoteException e) {
ProvisionLogger.loge("Failed to block uninstall of device initializer app", e);
mCallback.onError(ERROR_OTHER);
return false;
}
return true;
}
public abstract static class Callback {
public abstract void onSuccess();
public abstract void onError(int errorCode);
}
}
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