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/*
* Copyright (C) 2008 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.server;
import android.app.PendingIntent;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.RecoverySystem;
import android.os.storage.StorageManager;
import android.provider.Settings;
import android.telephony.euicc.EuiccManager;
import android.util.Log;
import android.util.Slog;
import android.view.WindowManager;
import com.android.internal.R;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
public class MasterClearReceiver extends BroadcastReceiver {
private static final String TAG = "MasterClear";
private boolean mWipeExternalStorage;
private boolean mWipeEsims;
@Override
public void onReceive(final Context context, final Intent intent) {
if (intent.getAction().equals(Intent.ACTION_REMOTE_INTENT)) {
if (!"google.com".equals(intent.getStringExtra("from"))) {
Slog.w(TAG, "Ignoring master clear request -- not from trusted server.");
return;
}
}
if (Intent.ACTION_MASTER_CLEAR.equals(intent.getAction())) {
Slog.w(TAG, "The request uses the deprecated Intent#ACTION_MASTER_CLEAR, "
+ "Intent#ACTION_FACTORY_RESET should be used instead.");
}
if (intent.hasExtra(Intent.EXTRA_FORCE_MASTER_CLEAR)) {
Slog.w(TAG, "The request uses the deprecated Intent#EXTRA_FORCE_MASTER_CLEAR, "
+ "Intent#EXTRA_FORCE_FACTORY_RESET should be used instead.");
}
final boolean shutdown = intent.getBooleanExtra("shutdown", false);
final String reason = intent.getStringExtra(Intent.EXTRA_REASON);
mWipeExternalStorage = intent.getBooleanExtra(Intent.EXTRA_WIPE_EXTERNAL_STORAGE, false);
mWipeEsims = intent.getBooleanExtra(Intent.EXTRA_WIPE_ESIMS, false);
final boolean forceWipe = intent.getBooleanExtra(Intent.EXTRA_FORCE_MASTER_CLEAR, false)
|| intent.getBooleanExtra(Intent.EXTRA_FORCE_FACTORY_RESET, false);
Slog.w(TAG, "!!! FACTORY RESET !!!");
// The reboot call is blocking, so we need to do it on another thread.
Thread thr = new Thread("Reboot") {
@Override
public void run() {
try {
RecoverySystem
.rebootWipeUserData(context, shutdown, reason, forceWipe, mWipeEsims);
Log.wtf(TAG, "Still running after master clear?!");
} catch (IOException e) {
Slog.e(TAG, "Can't perform master clear/factory reset", e);
} catch (SecurityException e) {
Slog.e(TAG, "Can't perform master clear/factory reset", e);
}
}
};
if (mWipeExternalStorage) {
// thr will be started at the end of this task.
new WipeDataTask(context, thr).execute();
} else {
thr.start();
}
}
private class WipeDataTask extends AsyncTask<Void, Void, Void> {
private final Thread mChainedTask;
private final Context mContext;
private final ProgressDialog mProgressDialog;
public WipeDataTask(Context context, Thread chainedTask) {
mContext = context;
mChainedTask = chainedTask;
mProgressDialog = new ProgressDialog(context);
}
@Override
protected void onPreExecute() {
mProgressDialog.setIndeterminate(true);
mProgressDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
mProgressDialog.setMessage(mContext.getText(R.string.progress_erasing));
mProgressDialog.show();
}
@Override
protected Void doInBackground(Void... params) {
Slog.w(TAG, "Wiping adoptable disks");
if (mWipeExternalStorage) {
StorageManager sm = (StorageManager) mContext.getSystemService(
Context.STORAGE_SERVICE);
sm.wipeAdoptableDisks();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
mProgressDialog.dismiss();
mChainedTask.start();
}
}
}
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