| /* |
| * Copyright (C) 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.server.telecom; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.ServiceConnection; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.telecom.DefaultDialerManager; |
| import android.telecom.PhoneAccountHandle; |
| import android.telecom.TelecomManager; |
| import android.telephony.CarrierConfigManager; |
| import android.util.IntArray; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.telephony.SmsApplication; |
| import com.android.server.LocalServices; |
| import com.android.server.SystemService; |
| import com.android.server.pm.UserManagerService; |
| import com.android.server.pm.permission.DefaultPermissionGrantPolicy; |
| import com.android.server.pm.permission.PermissionManagerInternal; |
| |
| /** |
| * Starts the telecom component by binding to its ITelecomService implementation. Telecom is setup |
| * to run in the system-server process so once it is loaded into memory it will stay running. |
| * @hide |
| */ |
| public class TelecomLoaderService extends SystemService { |
| private static final String TAG = "TelecomLoaderService"; |
| |
| private class TelecomServiceConnection implements ServiceConnection { |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| // Normally, we would listen for death here, but since telecom runs in the same process |
| // as this loader (process="system") thats redundant here. |
| try { |
| service.linkToDeath(new IBinder.DeathRecipient() { |
| @Override |
| public void binderDied() { |
| connectToTelecom(); |
| } |
| }, 0); |
| SmsApplication.getDefaultMmsApplication(mContext, false); |
| ServiceManager.addService(Context.TELECOM_SERVICE, service); |
| |
| synchronized (mLock) { |
| if (mDefaultSmsAppRequests != null || mDefaultDialerAppRequests != null |
| || mDefaultSimCallManagerRequests != null) { |
| final DefaultPermissionGrantPolicy permissionPolicy = |
| getDefaultPermissionGrantPolicy(); |
| |
| if (mDefaultSmsAppRequests != null) { |
| ComponentName smsComponent = SmsApplication.getDefaultSmsApplication( |
| mContext, true); |
| if (smsComponent != null) { |
| final int requestCount = mDefaultSmsAppRequests.size(); |
| for (int i = requestCount - 1; i >= 0; i--) { |
| final int userid = mDefaultSmsAppRequests.get(i); |
| mDefaultSmsAppRequests.remove(i); |
| permissionPolicy.grantDefaultPermissionsToDefaultSmsApp( |
| smsComponent.getPackageName(), userid); |
| } |
| } |
| } |
| |
| if (mDefaultDialerAppRequests != null) { |
| String packageName = DefaultDialerManager.getDefaultDialerApplication( |
| mContext); |
| if (packageName != null) { |
| final int requestCount = mDefaultDialerAppRequests.size(); |
| for (int i = requestCount - 1; i >= 0; i--) { |
| final int userId = mDefaultDialerAppRequests.get(i); |
| mDefaultDialerAppRequests.remove(i); |
| permissionPolicy.grantDefaultPermissionsToDefaultDialerApp( |
| packageName, userId); |
| } |
| } |
| } |
| if (mDefaultSimCallManagerRequests != null) { |
| TelecomManager telecomManager = |
| (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE); |
| PhoneAccountHandle phoneAccount = telecomManager.getSimCallManager(); |
| if (phoneAccount != null) { |
| final int requestCount = mDefaultSimCallManagerRequests.size(); |
| final String packageName = |
| phoneAccount.getComponentName().getPackageName(); |
| for (int i = requestCount - 1; i >= 0; i--) { |
| final int userId = mDefaultSimCallManagerRequests.get(i); |
| mDefaultSimCallManagerRequests.remove(i); |
| permissionPolicy |
| .grantDefaultPermissionsToDefaultSimCallManager( |
| packageName, userId); |
| } |
| } |
| } |
| } |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failed linking to death."); |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| connectToTelecom(); |
| } |
| } |
| |
| private DefaultPermissionGrantPolicy getDefaultPermissionGrantPolicy() { |
| return LocalServices.getService(PermissionManagerInternal.class) |
| .getDefaultPermissionGrantPolicy(); |
| } |
| |
| private static final ComponentName SERVICE_COMPONENT = new ComponentName( |
| "com.android.server.telecom", |
| "com.android.server.telecom.components.TelecomService"); |
| |
| private static final String SERVICE_ACTION = "com.android.ITelecomService"; |
| |
| private final Object mLock = new Object(); |
| |
| @GuardedBy("mLock") |
| private IntArray mDefaultSmsAppRequests; |
| |
| @GuardedBy("mLock") |
| private IntArray mDefaultDialerAppRequests; |
| |
| @GuardedBy("mLock") |
| private IntArray mDefaultSimCallManagerRequests; |
| |
| private final Context mContext; |
| |
| @GuardedBy("mLock") |
| private TelecomServiceConnection mServiceConnection; |
| |
| public TelecomLoaderService(Context context) { |
| super(context); |
| mContext = context; |
| registerDefaultAppProviders(); |
| } |
| |
| @Override |
| public void onStart() { |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == PHASE_ACTIVITY_MANAGER_READY) { |
| registerDefaultAppNotifier(); |
| registerCarrierConfigChangedReceiver(); |
| connectToTelecom(); |
| } |
| } |
| |
| private void connectToTelecom() { |
| synchronized (mLock) { |
| if (mServiceConnection != null) { |
| // TODO: Is unbinding worth doing or wait for system to rebind? |
| mContext.unbindService(mServiceConnection); |
| mServiceConnection = null; |
| } |
| |
| TelecomServiceConnection serviceConnection = new TelecomServiceConnection(); |
| Intent intent = new Intent(SERVICE_ACTION); |
| intent.setComponent(SERVICE_COMPONENT); |
| int flags = Context.BIND_IMPORTANT | Context.BIND_FOREGROUND_SERVICE |
| | Context.BIND_AUTO_CREATE; |
| |
| // Bind to Telecom and register the service |
| if (mContext.bindServiceAsUser(intent, serviceConnection, flags, UserHandle.SYSTEM)) { |
| mServiceConnection = serviceConnection; |
| } |
| } |
| } |
| |
| |
| private void registerDefaultAppProviders() { |
| final DefaultPermissionGrantPolicy permissionPolicy = getDefaultPermissionGrantPolicy(); |
| |
| // Set a callback for the permission grant policy to query the default sms app. |
| permissionPolicy.setSmsAppPackagesProvider(userId -> { |
| synchronized (mLock) { |
| if (mServiceConnection == null) { |
| if (mDefaultSmsAppRequests == null) { |
| mDefaultSmsAppRequests = new IntArray(); |
| } |
| mDefaultSmsAppRequests.add(userId); |
| return null; |
| } |
| } |
| ComponentName smsComponent = SmsApplication.getDefaultSmsApplication( |
| mContext, true); |
| if (smsComponent != null) { |
| return new String[]{smsComponent.getPackageName()}; |
| } |
| return null; |
| }); |
| |
| // Set a callback for the permission grant policy to query the default dialer app. |
| permissionPolicy.setDialerAppPackagesProvider(userId -> { |
| synchronized (mLock) { |
| if (mServiceConnection == null) { |
| if (mDefaultDialerAppRequests == null) { |
| mDefaultDialerAppRequests = new IntArray(); |
| } |
| mDefaultDialerAppRequests.add(userId); |
| return null; |
| } |
| } |
| String packageName = DefaultDialerManager.getDefaultDialerApplication(mContext); |
| if (packageName != null) { |
| return new String[]{packageName}; |
| } |
| return null; |
| }); |
| |
| // Set a callback for the permission grant policy to query the default sim call manager. |
| permissionPolicy.setSimCallManagerPackagesProvider(userId -> { |
| synchronized (mLock) { |
| if (mServiceConnection == null) { |
| if (mDefaultSimCallManagerRequests == null) { |
| mDefaultSimCallManagerRequests = new IntArray(); |
| } |
| mDefaultSimCallManagerRequests.add(userId); |
| return null; |
| } |
| } |
| TelecomManager telecomManager = |
| (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE); |
| PhoneAccountHandle phoneAccount = telecomManager.getSimCallManager(userId); |
| if (phoneAccount != null) { |
| return new String[]{phoneAccount.getComponentName().getPackageName()}; |
| } |
| return null; |
| }); |
| } |
| |
| private void registerDefaultAppNotifier() { |
| final DefaultPermissionGrantPolicy permissionPolicy = getDefaultPermissionGrantPolicy(); |
| |
| // Notify the package manager on default app changes |
| final Uri defaultSmsAppUri = Settings.Secure.getUriFor( |
| Settings.Secure.SMS_DEFAULT_APPLICATION); |
| final Uri defaultDialerAppUri = Settings.Secure.getUriFor( |
| Settings.Secure.DIALER_DEFAULT_APPLICATION); |
| |
| ContentObserver contentObserver = new ContentObserver( |
| new Handler(Looper.getMainLooper())) { |
| @Override |
| public void onChange(boolean selfChange, Uri uri, int userId) { |
| if (defaultSmsAppUri.equals(uri)) { |
| ComponentName smsComponent = SmsApplication.getDefaultSmsApplication( |
| mContext, true); |
| if (smsComponent != null) { |
| permissionPolicy.grantDefaultPermissionsToDefaultSmsApp( |
| smsComponent.getPackageName(), userId); |
| } |
| } else if (defaultDialerAppUri.equals(uri)) { |
| String packageName = DefaultDialerManager.getDefaultDialerApplication( |
| mContext); |
| if (packageName != null) { |
| permissionPolicy.grantDefaultPermissionsToDefaultDialerApp( |
| packageName, userId); |
| } |
| updateSimCallManagerPermissions(permissionPolicy, userId); |
| } |
| } |
| }; |
| |
| mContext.getContentResolver().registerContentObserver(defaultSmsAppUri, |
| false, contentObserver, UserHandle.USER_ALL); |
| mContext.getContentResolver().registerContentObserver(defaultDialerAppUri, |
| false, contentObserver, UserHandle.USER_ALL); |
| } |
| |
| |
| private void registerCarrierConfigChangedReceiver() { |
| BroadcastReceiver receiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.getAction().equals(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) { |
| for (int userId : UserManagerService.getInstance().getUserIds()) { |
| updateSimCallManagerPermissions(getDefaultPermissionGrantPolicy(), userId); |
| } |
| } |
| } |
| }; |
| |
| mContext.registerReceiverAsUser(receiver, UserHandle.ALL, |
| new IntentFilter(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED), null, null); |
| } |
| |
| private void updateSimCallManagerPermissions( |
| DefaultPermissionGrantPolicy permissionGrantPolicy, int userId) { |
| TelecomManager telecomManager = |
| (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE); |
| PhoneAccountHandle phoneAccount = telecomManager.getSimCallManager(userId); |
| if (phoneAccount != null) { |
| Slog.i(TAG, "updating sim call manager permissions for userId:" + userId); |
| String packageName = phoneAccount.getComponentName().getPackageName(); |
| permissionGrantPolicy.grantDefaultPermissionsToDefaultSimCallManager( |
| packageName, userId); |
| } |
| } |
| } |