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/*
* Copyright 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 com.android.managedprovisioning;
import android.app.admin.DevicePolicyManager;
import android.app.Notification;
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.os.UserHandle;
/**
* Service for handling CA certs.
*
*/
public class CertService extends IntentService {
public static final String EXTRA_CA_CERT = "cacert";
public static final String EXTRA_REQUESTING_USER = "reqUser";
private static final String TAG = "CertService";
private static final int FOREGROUND_ID = 0xedc82;
private DevicePolicyManager mDevicePolicyManager;
public CertService() {
super(TAG);
}
public static void startService(Context context, Intent callingIntent) {
ProvisionLogger.logd("InstallCertService.startService");
Intent intent = new Intent(context, CertService.class);
intent.setAction(callingIntent.getAction());
intent.putExtras(callingIntent);
context.startService(intent);
}
/**
* Set this as a foreground service. This is done to help ensure that the
* service isn't killed by the OS.
*/
private void startServiceInForeground() {
Notification notification = new Notification.Builder(this)
.setContentTitle(getString(R.string.provisioning))
.setContentText(getString(R.string.copying_certs))
.setSmallIcon(R.drawable.quantum_ic_https_white_24)
.build();
notification.flags |= Notification.FLAG_NO_CLEAR;
startForeground(FOREGROUND_ID, notification);
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onHandleIntent(final Intent intent) {
ProvisionLogger.logd("InstallCertService.onHandleIntent");
startServiceInForeground();
mDevicePolicyManager =
(DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
if (InstallCertReceiver.INSTALL_CERT_ACTION.equals(intent.getAction())) {
installCert(intent.getByteArrayExtra(EXTRA_CA_CERT));
} else if (InstallCertRequestReceiver.REQUEST_CERT_ACTION.equals(
intent.getAction())) {
sendCerts((UserHandle) intent.getParcelableExtra(EXTRA_REQUESTING_USER));
}
stopForeground(true);
}
/**
* Installs the given ca cert.
*/
private void installCert(final byte[] certToInstall) {
ProvisionLogger.logi("Installing CA cert");
mDevicePolicyManager.installCaCert(null, certToInstall);
}
/**
* Sends all user installed ca certs for this user to the given user.
*/
private void sendCerts(final UserHandle handle) {
ProvisionLogger.logi("Sending CA certs");
for (byte[] cert : mDevicePolicyManager.getInstalledCaCerts(null)) {
Intent intent = new Intent(InstallCertReceiver.INSTALL_CERT_ACTION);
intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
intent.putExtra(EXTRA_CA_CERT, cert);
sendBroadcastAsUser(intent, handle);
}
}
}
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