| /* |
| * 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.Manifest; |
| import android.annotation.SdkConstant; |
| import android.app.AppOpsManager; |
| import android.app.Service; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.telecom.CallState; |
| import android.telecom.PhoneAccount; |
| import android.telecom.PhoneAccountHandle; |
| import android.telecom.TelecomManager; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| |
| import android.util.EventLog; |
| |
| // TODO: Needed for move to system service: import com.android.internal.R; |
| import com.android.internal.telecom.ITelecomService; |
| import com.android.internal.util.IndentingPrintWriter; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Implementation of the ITelecom interface. |
| */ |
| public class TelecomService extends Service { |
| /** |
| * The {@link Intent} that must be declared as handled by the service. |
| */ |
| @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION) |
| public static final String SERVICE_INTERFACE = "android.telecom.ITelecomService"; |
| |
| /** The context. */ |
| private Context mContext; |
| |
| /** |
| * A request object for use with {@link MainThreadHandler}. Requesters should wait() on the |
| * request after sending. The main thread will notify the request when it is complete. |
| */ |
| private static final class MainThreadRequest { |
| /** The result of the request that is run on the main thread */ |
| public Object result; |
| /** Object that can be used to store non-integer arguments */ |
| public Object arg; |
| } |
| |
| /** |
| * A handler that processes messages on the main thread. Since many of the method calls are not |
| * thread safe this is needed to shuttle the requests from the inbound binder threads to the |
| * main thread. |
| */ |
| private final class MainThreadHandler extends Handler { |
| @Override |
| public void handleMessage(Message msg) { |
| if (msg.obj instanceof MainThreadRequest) { |
| MainThreadRequest request = (MainThreadRequest) msg.obj; |
| Object result = null; |
| switch (msg.what) { |
| case MSG_SILENCE_RINGER: |
| mCallsManager.getRinger().silence(); |
| break; |
| case MSG_SHOW_CALL_SCREEN: |
| mCallsManager.getInCallController().bringToForeground(msg.arg1 == 1); |
| break; |
| case MSG_END_CALL: |
| result = endCallInternal(); |
| break; |
| case MSG_ACCEPT_RINGING_CALL: |
| acceptRingingCallInternal(); |
| break; |
| case MSG_CANCEL_MISSED_CALLS_NOTIFICATION: |
| mMissedCallNotifier.clearMissedCalls(); |
| break; |
| case MSG_IS_TTY_SUPPORTED: |
| result = mCallsManager.isTtySupported(); |
| break; |
| case MSG_GET_CURRENT_TTY_MODE: |
| result = mCallsManager.getCurrentTtyMode(); |
| break; |
| case MSG_NEW_INCOMING_CALL: |
| if (request.arg == null || !(request.arg instanceof Intent)) { |
| Log.w(this, "Invalid new incoming call request"); |
| break; |
| } |
| CallReceiver.processIncomingCallIntent((Intent) request.arg); |
| break; |
| } |
| |
| if (result != null) { |
| request.result = result; |
| synchronized(request) { |
| request.notifyAll(); |
| } |
| } |
| } |
| } |
| } |
| |
| private static final String TAG = TelecomService.class.getSimpleName(); |
| |
| private static final String SERVICE_NAME = "telecom"; |
| |
| private static final int MSG_SILENCE_RINGER = 1; |
| private static final int MSG_SHOW_CALL_SCREEN = 2; |
| private static final int MSG_END_CALL = 3; |
| private static final int MSG_ACCEPT_RINGING_CALL = 4; |
| private static final int MSG_CANCEL_MISSED_CALLS_NOTIFICATION = 5; |
| private static final int MSG_IS_TTY_SUPPORTED = 6; |
| private static final int MSG_GET_CURRENT_TTY_MODE = 7; |
| private static final int MSG_NEW_INCOMING_CALL = 8; |
| |
| private final MainThreadHandler mMainThreadHandler = new MainThreadHandler(); |
| |
| private CallsManager mCallsManager; |
| private MissedCallNotifier mMissedCallNotifier; |
| private PhoneAccountRegistrar mPhoneAccountRegistrar; |
| private AppOpsManager mAppOpsManager; |
| private UserManager mUserManager; |
| private PackageManager mPackageManager; |
| private TelecomServiceImpl mServiceImpl; |
| |
| @Override |
| public void onCreate() { |
| super.onCreate(); |
| |
| Log.d(this, "onCreate"); |
| mContext = this; |
| mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); |
| mServiceImpl = new TelecomServiceImpl(); |
| |
| TelecomGlobals globals = TelecomGlobals.getInstance(); |
| globals.initialize(this); |
| |
| mMissedCallNotifier = globals.getMissedCallNotifier(); |
| mPhoneAccountRegistrar = globals.getPhoneAccountRegistrar(); |
| mCallsManager = globals.getCallsManager(); |
| mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); |
| mPackageManager = mContext.getPackageManager(); |
| } |
| |
| @Override |
| public IBinder onBind(Intent intent) { |
| Log.d(this, "onBind"); |
| return mServiceImpl; |
| } |
| |
| /** |
| * Implementation of the ITelecomService interface. |
| * TODO: Reorganize this inner class to top of file. |
| */ |
| class TelecomServiceImpl extends ITelecomService.Stub { |
| @Override |
| public PhoneAccountHandle getDefaultOutgoingPhoneAccount(String uriScheme) { |
| enforceReadPermission(); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| PhoneAccountHandle defaultOutgoingPhoneAccount = |
| mPhoneAccountRegistrar.getDefaultOutgoingPhoneAccount(uriScheme); |
| // Make sure that the calling user can see this phone account. |
| if (defaultOutgoingPhoneAccount != null |
| && !isVisibleToCaller(defaultOutgoingPhoneAccount)) { |
| Log.w(this, "No account found for the calling user"); |
| return null; |
| } |
| return defaultOutgoingPhoneAccount; |
| } catch (Exception e) { |
| Log.e(this, e, "getDefaultOutgoingPhoneAccount"); |
| throw e; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public PhoneAccountHandle getUserSelectedOutgoingPhoneAccount() { |
| try { |
| PhoneAccountHandle userSelectedOutgoingPhoneAccount = |
| mPhoneAccountRegistrar.getUserSelectedOutgoingPhoneAccount(); |
| // Make sure that the calling user can see this phone account. |
| if (!isVisibleToCaller(userSelectedOutgoingPhoneAccount)) { |
| Log.w(this, "No account found for the calling user"); |
| return null; |
| } |
| return userSelectedOutgoingPhoneAccount; |
| } catch (Exception e) { |
| Log.e(this, e, "getUserSelectedOutgoingPhoneAccount"); |
| throw e; |
| } |
| } |
| |
| @Override |
| public void setUserSelectedOutgoingPhoneAccount(PhoneAccountHandle accountHandle) { |
| enforceModifyPermission(); |
| |
| try { |
| mPhoneAccountRegistrar.setUserSelectedOutgoingPhoneAccount(accountHandle); |
| } catch (Exception e) { |
| Log.e(this, e, "setUserSelectedOutgoingPhoneAccount"); |
| throw e; |
| } |
| } |
| |
| @Override |
| public List<PhoneAccountHandle> getCallCapablePhoneAccounts() { |
| enforceReadPermission(); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| return filterForAccountsVisibleToCaller( |
| mPhoneAccountRegistrar.getCallCapablePhoneAccounts()); |
| } catch (Exception e) { |
| Log.e(this, e, "getCallCapablePhoneAccounts"); |
| throw e; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public List<PhoneAccountHandle> getPhoneAccountsSupportingScheme(String uriScheme) { |
| enforceReadPermission(); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| return filterForAccountsVisibleToCaller( |
| mPhoneAccountRegistrar.getCallCapablePhoneAccounts(uriScheme)); |
| } catch (Exception e) { |
| Log.e(this, e, "getPhoneAccountsSupportingScheme %s", uriScheme); |
| throw e; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public List<PhoneAccountHandle> getPhoneAccountsForPackage(String packageName) { |
| try { |
| return filterForAccountsVisibleToCaller( |
| mPhoneAccountRegistrar.getPhoneAccountsForPackage(packageName)); |
| } catch (Exception e) { |
| Log.e(this, e, "getPhoneAccountsForPackage %s", packageName); |
| throw e; |
| } |
| } |
| |
| @Override |
| public PhoneAccount getPhoneAccount(PhoneAccountHandle accountHandle) { |
| try { |
| if (!isVisibleToCaller(accountHandle)) { |
| Log.w(this, "%s is not visible for the calling user", accountHandle); |
| return null; |
| } |
| return mPhoneAccountRegistrar.getPhoneAccountInternal(accountHandle); |
| } catch (Exception e) { |
| Log.e(this, e, "getPhoneAccount %s", accountHandle); |
| throw e; |
| } |
| } |
| |
| @Override |
| public int getAllPhoneAccountsCount() { |
| try { |
| // This list is pre-filtered for the calling user. |
| return getAllPhoneAccounts().size(); |
| } catch (Exception e) { |
| Log.e(this, e, "getAllPhoneAccountsCount"); |
| throw e; |
| } |
| } |
| |
| @Override |
| public List<PhoneAccount> getAllPhoneAccounts() { |
| try { |
| List<PhoneAccount> allPhoneAccounts = mPhoneAccountRegistrar.getAllPhoneAccounts(); |
| List<PhoneAccount> profilePhoneAccounts = new ArrayList<>(allPhoneAccounts.size()); |
| for (PhoneAccount phoneAccount : profilePhoneAccounts) { |
| if (isVisibleToCaller(phoneAccount)) { |
| profilePhoneAccounts.add(phoneAccount); |
| } |
| } |
| return profilePhoneAccounts; |
| } catch (Exception e) { |
| Log.e(this, e, "getAllPhoneAccounts"); |
| throw e; |
| } |
| } |
| |
| @Override |
| public List<PhoneAccountHandle> getAllPhoneAccountHandles() { |
| try { |
| return filterForAccountsVisibleToCaller( |
| mPhoneAccountRegistrar.getAllPhoneAccountHandles()); |
| } catch (Exception e) { |
| Log.e(this, e, "getAllPhoneAccounts"); |
| throw e; |
| } |
| } |
| |
| @Override |
| public PhoneAccountHandle getSimCallManager() { |
| try { |
| PhoneAccountHandle accountHandle = mPhoneAccountRegistrar.getSimCallManager(); |
| if (!isVisibleToCaller(accountHandle)) { |
| Log.w(this, "%s is not visible for the calling user", accountHandle); |
| return null; |
| } |
| return accountHandle; |
| } catch (Exception e) { |
| Log.e(this, e, "getSimCallManager"); |
| throw e; |
| } |
| } |
| |
| @Override |
| public void setSimCallManager(PhoneAccountHandle accountHandle) { |
| enforceModifyPermission(); |
| |
| try { |
| mPhoneAccountRegistrar.setSimCallManager(accountHandle); |
| } catch (Exception e) { |
| Log.e(this, e, "setSimCallManager"); |
| throw e; |
| } |
| } |
| |
| @Override |
| public List<PhoneAccountHandle> getSimCallManagers() { |
| enforceReadPermission(); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| return filterForAccountsVisibleToCaller( |
| mPhoneAccountRegistrar.getConnectionManagerPhoneAccounts()); |
| } catch (Exception e) { |
| Log.e(this, e, "getSimCallManagers"); |
| throw e; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void registerPhoneAccount(PhoneAccount account) { |
| try { |
| enforcePhoneAccountModificationForPackage( |
| account.getAccountHandle().getComponentName().getPackageName()); |
| if (account.hasCapabilities(PhoneAccount.CAPABILITY_CALL_PROVIDER)) { |
| enforceRegisterCallProviderPermission(); |
| } |
| if (account.hasCapabilities(PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION)) { |
| enforceRegisterSimSubscriptionPermission(); |
| } |
| if (account.hasCapabilities(PhoneAccount.CAPABILITY_CONNECTION_MANAGER)) { |
| enforceRegisterConnectionManagerPermission(); |
| } |
| if (account.hasCapabilities(PhoneAccount.CAPABILITY_MULTI_USER)) { |
| enforceRegisterMultiUser(); |
| } |
| enforceUserHandleMatchesCaller(account.getAccountHandle()); |
| |
| mPhoneAccountRegistrar.registerPhoneAccount(account); |
| } catch (Exception e) { |
| Log.e(this, e, "registerPhoneAccount %s", account); |
| throw e; |
| } |
| } |
| |
| @Override |
| public void unregisterPhoneAccount(PhoneAccountHandle accountHandle) { |
| try { |
| enforcePhoneAccountModificationForPackage( |
| accountHandle.getComponentName().getPackageName()); |
| enforceUserHandleMatchesCaller(accountHandle); |
| mPhoneAccountRegistrar.unregisterPhoneAccount(accountHandle); |
| } catch (Exception e) { |
| Log.e(this, e, "unregisterPhoneAccount %s", accountHandle); |
| throw e; |
| } |
| } |
| |
| @Override |
| public void clearAccounts(String packageName) { |
| try { |
| enforcePhoneAccountModificationForPackage(packageName); |
| mPhoneAccountRegistrar.clearAccounts(packageName, Binder.getCallingUserHandle()); |
| } catch (Exception e) { |
| Log.e(this, e, "clearAccounts %s", packageName); |
| throw e; |
| } |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#isVoiceMailNumber |
| */ |
| @Override |
| public boolean isVoiceMailNumber(PhoneAccountHandle accountHandle, String number) { |
| enforceReadPermissionOrDefaultDialer(); |
| try { |
| if (!isVisibleToCaller(accountHandle)) { |
| Log.w(this, "%s is not visible for the calling user", accountHandle); |
| return false; |
| } |
| return mPhoneAccountRegistrar.isVoiceMailNumber(accountHandle, number); |
| } catch (Exception e) { |
| Log.e(this, e, "getSubscriptionIdForPhoneAccount"); |
| throw e; |
| } |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#hasVoiceMailNumber |
| */ |
| @Override |
| public boolean hasVoiceMailNumber(PhoneAccountHandle accountHandle) { |
| enforceReadPermissionOrDefaultDialer(); |
| try { |
| if (!isVisibleToCaller(accountHandle)) { |
| Log.w(this, "%s is not visible for the calling user", accountHandle); |
| return false; |
| } |
| |
| int subId = mPhoneAccountRegistrar.getSubscriptionIdForPhoneAccount(accountHandle); |
| return !TextUtils.isEmpty(getTelephonyManager().getVoiceMailNumber(subId)); |
| } catch (Exception e) { |
| Log.e(this, e, "getSubscriptionIdForPhoneAccount"); |
| throw e; |
| } |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#getLine1Number |
| */ |
| @Override |
| public String getLine1Number(PhoneAccountHandle accountHandle) { |
| enforceReadPermissionOrDefaultDialer(); |
| try { |
| if (!isVisibleToCaller(accountHandle)) { |
| Log.w(this, "%s is not visible for the calling user", accountHandle); |
| return null; |
| } |
| int subId = mPhoneAccountRegistrar.getSubscriptionIdForPhoneAccount(accountHandle); |
| return getTelephonyManager().getLine1NumberForSubscriber(subId); |
| } catch (Exception e) { |
| Log.e(this, e, "getSubscriptionIdForPhoneAccount"); |
| throw e; |
| } |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#silenceRinger |
| */ |
| @Override |
| public void silenceRinger() { |
| Log.d(this, "silenceRinger"); |
| enforceModifyPermission(); |
| sendRequestAsync(MSG_SILENCE_RINGER, 0); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#getDefaultPhoneApp |
| */ |
| @Override |
| public ComponentName getDefaultPhoneApp() { |
| Resources resources = mContext.getResources(); |
| return new ComponentName( |
| resources.getString(R.string.ui_default_package), |
| resources.getString(R.string.dialer_default_class)); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#isInCall |
| */ |
| @Override |
| public boolean isInCall() { |
| enforceReadPermission(); |
| // Do not use sendRequest() with this method since it could cause a deadlock with |
| // audio service, which we call into from the main thread: AudioManager.setMode(). |
| final int callState = mCallsManager.getCallState(); |
| return callState == TelephonyManager.CALL_STATE_OFFHOOK |
| || callState == TelephonyManager.CALL_STATE_RINGING; |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#isRinging |
| */ |
| @Override |
| public boolean isRinging() { |
| enforceReadPermission(); |
| return mCallsManager.getCallState() == TelephonyManager.CALL_STATE_RINGING; |
| } |
| |
| /** |
| * @see TelecomManager#getCallState |
| */ |
| @Override |
| public int getCallState() { |
| return mCallsManager.getCallState(); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#endCall |
| */ |
| @Override |
| public boolean endCall() { |
| enforceModifyPermission(); |
| return (boolean) sendRequest(MSG_END_CALL); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#acceptRingingCall |
| */ |
| @Override |
| public void acceptRingingCall() { |
| enforceModifyPermission(); |
| sendRequestAsync(MSG_ACCEPT_RINGING_CALL, 0); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#showInCallScreen |
| */ |
| @Override |
| public void showInCallScreen(boolean showDialpad) { |
| enforceReadPermissionOrDefaultDialer(); |
| sendRequestAsync(MSG_SHOW_CALL_SCREEN, showDialpad ? 1 : 0); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#cancelMissedCallsNotification |
| */ |
| @Override |
| public void cancelMissedCallsNotification() { |
| enforceModifyPermissionOrDefaultDialer(); |
| sendRequestAsync(MSG_CANCEL_MISSED_CALLS_NOTIFICATION, 0); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#handleMmi |
| */ |
| @Override |
| public boolean handlePinMmi(String dialString) { |
| enforceModifyPermissionOrDefaultDialer(); |
| |
| // Switch identity so that TelephonyManager checks Telecom's permissions instead. |
| long token = Binder.clearCallingIdentity(); |
| boolean retval = false; |
| try { |
| retval = getTelephonyManager().handlePinMmi(dialString); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| |
| return retval; |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#handleMmi |
| */ |
| @Override |
| public boolean handlePinMmiForPhoneAccount(PhoneAccountHandle accountHandle, |
| String dialString) { |
| enforceModifyPermissionOrDefaultDialer(); |
| |
| if (!isVisibleToCaller(accountHandle)) { |
| Log.w(this, "%s is not visible for the calling user", accountHandle); |
| return false; |
| } |
| |
| // Switch identity so that TelephonyManager checks Telecom's permissions instead. |
| long token = Binder.clearCallingIdentity(); |
| boolean retval = false; |
| try { |
| int subId = mPhoneAccountRegistrar.getSubscriptionIdForPhoneAccount(accountHandle); |
| retval = getTelephonyManager().handlePinMmiForSubscriber(subId, dialString); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| |
| return retval; |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#getAdnUriForPhoneAccount |
| */ |
| @Override |
| public Uri getAdnUriForPhoneAccount(PhoneAccountHandle accountHandle) { |
| enforceModifyPermissionOrDefaultDialer(); |
| |
| if (!isVisibleToCaller(accountHandle)) { |
| Log.w(this, "%s is not visible for the calling user", accountHandle); |
| return null; |
| } |
| |
| // Switch identity so that TelephonyManager checks Telecom's permissions instead. |
| long token = Binder.clearCallingIdentity(); |
| String retval = "content://icc/adn/"; |
| try { |
| int subId = mPhoneAccountRegistrar.getSubscriptionIdForPhoneAccount(accountHandle); |
| retval = retval + "subId/" + subId; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| |
| return Uri.parse(retval); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#isTtySupported |
| */ |
| @Override |
| public boolean isTtySupported() { |
| enforceReadPermission(); |
| return (boolean) sendRequest(MSG_IS_TTY_SUPPORTED); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#getCurrentTtyMode |
| */ |
| @Override |
| public int getCurrentTtyMode() { |
| enforceReadPermission(); |
| return (int) sendRequest(MSG_GET_CURRENT_TTY_MODE); |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#addNewIncomingCall |
| */ |
| @Override |
| public void addNewIncomingCall(PhoneAccountHandle phoneAccountHandle, Bundle extras) { |
| Log.i(this, "Adding new incoming call with phoneAccountHandle %s", phoneAccountHandle); |
| if (phoneAccountHandle != null && phoneAccountHandle.getComponentName() != null) { |
| mAppOpsManager.checkPackage( |
| Binder.getCallingUid(), phoneAccountHandle.getComponentName().getPackageName()); |
| |
| enforcePhoneAccountIsRegistered(phoneAccountHandle); |
| // Make sure it doesn't cross the UserHandle boundary |
| enforceUserHandleMatchesCaller(phoneAccountHandle); |
| |
| Intent intent = new Intent(TelecomManager.ACTION_INCOMING_CALL); |
| intent.putExtra(TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE, phoneAccountHandle); |
| intent.putExtra(CallReceiver.KEY_IS_INCOMING_CALL, true); |
| if (extras != null) { |
| intent.putExtra(TelecomManager.EXTRA_INCOMING_CALL_EXTRAS, extras); |
| } |
| sendRequestAsync(MSG_NEW_INCOMING_CALL, 0, intent); |
| } else { |
| Log.w(this, "Null phoneAccountHandle. Ignoring request to add new incoming call"); |
| } |
| } |
| |
| /** |
| * @see android.telecom.TelecomManager#addNewUnknownCall |
| */ |
| @Override |
| public void addNewUnknownCall(PhoneAccountHandle phoneAccountHandle, Bundle extras) { |
| if (phoneAccountHandle != null && phoneAccountHandle.getComponentName() != null && |
| TelephonyUtil.isPstnComponentName(phoneAccountHandle.getComponentName())) { |
| mAppOpsManager.checkPackage( |
| Binder.getCallingUid(), phoneAccountHandle.getComponentName().getPackageName()); |
| |
| enforcePhoneAccountIsRegistered(phoneAccountHandle); |
| // Make sure it doesn't cross the UserHandle boundary |
| enforceUserHandleMatchesCaller(phoneAccountHandle); |
| |
| Intent intent = new Intent(TelecomManager.ACTION_NEW_UNKNOWN_CALL); |
| intent.setClass(mContext, CallReceiver.class); |
| intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.putExtras(extras); |
| intent.putExtra(CallReceiver.KEY_IS_UNKNOWN_CALL, true); |
| intent.putExtra(TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE, phoneAccountHandle); |
| mContext.sendBroadcastAsUser(intent, phoneAccountHandle.getUserHandle()); |
| } else { |
| Log.i(this, "Null phoneAccountHandle or not initiated by Telephony. Ignoring request" |
| + " to add new unknown call."); |
| } |
| } |
| |
| @Override |
| public int getActiveSubscription() { |
| enforceReadPermission(); |
| String activeSub = mCallsManager.getActiveSubscription(); |
| return (activeSub == null) ? SubscriptionManager.INVALID_SUBSCRIPTION_ID : |
| Integer.parseInt(activeSub); |
| } |
| |
| @Override |
| public void switchToOtherActiveSub(int subId) { |
| enforceModifyPermission(); |
| String activeSub = (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) |
| ? null : String.valueOf(subId); |
| mCallsManager.switchToOtherActiveSub(activeSub, false); |
| } |
| |
| /** |
| * Dumps the current state of the TelecomService. Used when generating problem reports. |
| * |
| * @param fd The file descriptor. |
| * @param writer The print writer to dump the state to. |
| * @param args Optional dump arguments. |
| */ |
| @Override |
| protected void dump(FileDescriptor fd, final PrintWriter writer, String[] args) { |
| if (mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| writer.println("Permission Denial: can't dump TelecomService " + |
| "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| Binder.getCallingUid()); |
| return; |
| } |
| |
| final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); |
| if (mCallsManager != null) { |
| pw.println("mCallsManager: "); |
| pw.increaseIndent(); |
| mCallsManager.dump(pw); |
| pw.decreaseIndent(); |
| |
| pw.println("mPhoneAccountRegistrar: "); |
| pw.increaseIndent(); |
| mPhoneAccountRegistrar.dump(pw); |
| pw.decreaseIndent(); |
| } |
| } |
| } |
| |
| // |
| // Supporting methods for the ITelecomService interface implementation. |
| // |
| |
| private boolean isVisibleToCaller(PhoneAccountHandle accountHandle) { |
| if (accountHandle == null) { |
| return false; |
| } |
| |
| return isVisibleToCaller(mPhoneAccountRegistrar.getPhoneAccountInternal(accountHandle)); |
| } |
| |
| private boolean isVisibleToCaller(PhoneAccount account) { |
| if (account == null) { |
| return false; |
| } |
| |
| // If this PhoneAccount has CAPABILITY_MULTI_USER, it should be visible to all users and |
| // all profiles. Only Telephony and SIP accounts should have this capability. |
| if (account.hasCapabilities(PhoneAccount.CAPABILITY_MULTI_USER)) { |
| return true; |
| } |
| |
| UserHandle phoneAccountUserHandle = account.getAccountHandle().getUserHandle(); |
| if (phoneAccountUserHandle == null) { |
| return false; |
| } |
| |
| List<UserHandle> profileUserHandles; |
| if (isCallerSystemApp()) { |
| // If the caller lives in /system/priv-app, it can see PhoneAccounts for all of the |
| // *profiles* that the calling user owns, but not for any other *users*. |
| profileUserHandles = mUserManager.getUserProfiles(); |
| } else { |
| // Otherwise, it has to be owned by the current caller's profile. |
| profileUserHandles = new ArrayList<>(1); |
| profileUserHandles.add(Binder.getCallingUserHandle()); |
| } |
| |
| return profileUserHandles.contains(phoneAccountUserHandle); |
| } |
| |
| /** |
| * Given a list of {@link PhoneAccountHandle}s, filter them to the ones that the calling |
| * user can see. |
| * |
| * @param phoneAccountHandles Unfiltered list of account handles. |
| * |
| * @return {@link PhoneAccountHandle}s visible to the calling user and its profiles. |
| */ |
| private List<PhoneAccountHandle> filterForAccountsVisibleToCaller( |
| List<PhoneAccountHandle> phoneAccountHandles) { |
| List<PhoneAccountHandle> profilePhoneAccountHandles = |
| new ArrayList<>(phoneAccountHandles.size()); |
| for (PhoneAccountHandle phoneAccountHandle : phoneAccountHandles) { |
| if (isVisibleToCaller(phoneAccountHandle)) { |
| profilePhoneAccountHandles.add(phoneAccountHandle); |
| } |
| } |
| return profilePhoneAccountHandles; |
| } |
| |
| private boolean isCallerSystemApp() { |
| int uid = Binder.getCallingUid(); |
| String[] packages = mPackageManager.getPackagesForUid(uid); |
| for (String packageName : packages) { |
| if (isPackageSystemApp(packageName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private boolean isPackageSystemApp(String packageName) { |
| try { |
| ApplicationInfo applicationInfo = mPackageManager.getApplicationInfo(packageName, |
| PackageManager.GET_META_DATA); |
| if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| return true; |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| } |
| return false; |
| } |
| |
| private void acceptRingingCallInternal() { |
| Call call = mCallsManager.getFirstCallWithState(CallState.RINGING); |
| if (call != null) { |
| call.answer(call.getVideoState()); |
| } |
| } |
| |
| private boolean endCallInternal() { |
| // Always operate on the foreground call if one exists, otherwise get the first call in |
| // priority order by call-state. |
| Call call = mCallsManager.getForegroundCall(); |
| if (call == null) { |
| call = mCallsManager.getFirstCallWithState( |
| CallState.ACTIVE, |
| CallState.DIALING, |
| CallState.RINGING, |
| CallState.ON_HOLD); |
| } |
| |
| if (call != null) { |
| if (call.getState() == CallState.RINGING) { |
| call.reject(false /* rejectWithMessage */, null); |
| } else { |
| call.disconnect(); |
| } |
| return true; |
| } |
| |
| return false; |
| } |
| |
| // Enforce that the PhoneAccountHandle being passed in is registered to a valid PhoneAccount. |
| private void enforcePhoneAccountIsRegistered(PhoneAccountHandle phoneAccountHandle) { |
| PhoneAccount phoneAccount = mPhoneAccountRegistrar.getPhoneAccount(phoneAccountHandle); |
| if(phoneAccount == null) { |
| EventLog.writeEvent(0x534e4554, "26864502", Binder.getCallingUid(), "R"); |
| throw new SecurityException("This PhoneAccountHandle is not registered to a valid " + |
| "PhoneAccount!"); |
| } |
| } |
| |
| private void enforcePhoneAccountModificationForPackage(String packageName) { |
| // TODO: Use a new telecomm permission for this instead of reusing modify. |
| |
| int result = mContext.checkCallingOrSelfPermission(Manifest.permission.MODIFY_PHONE_STATE); |
| |
| // Callers with MODIFY_PHONE_STATE can use the PhoneAccount mechanism to implement |
| // built-in behavior even when PhoneAccounts are not exposed as a third-part API. They |
| // may also modify PhoneAccounts on behalf of any 'packageName'. |
| |
| if (result != PackageManager.PERMISSION_GRANTED) { |
| // Other callers are only allowed to modify PhoneAccounts if the relevant system |
| // feature is enabled ... |
| enforceConnectionServiceFeature(); |
| // ... and the PhoneAccounts they refer to are for their own package. |
| enforceCallingPackage(packageName); |
| } |
| } |
| |
| private void enforceReadPermissionOrDefaultDialer() { |
| if (!isDefaultDialerCalling()) { |
| enforceReadPermission(); |
| } |
| } |
| |
| private void enforceModifyPermissionOrDefaultDialer() { |
| if (!isDefaultDialerCalling()) { |
| enforceModifyPermission(); |
| } |
| } |
| |
| private void enforceCallingPackage(String packageName) { |
| mAppOpsManager.checkPackage(Binder.getCallingUid(), packageName); |
| } |
| |
| private void enforceConnectionServiceFeature() { |
| enforceFeature(PackageManager.FEATURE_CONNECTION_SERVICE); |
| } |
| |
| private void enforceRegisterCallProviderPermission() { |
| enforcePermission(android.Manifest.permission.REGISTER_CALL_PROVIDER); |
| } |
| |
| private void enforceRegisterSimSubscriptionPermission() { |
| enforcePermission(android.Manifest.permission.REGISTER_SIM_SUBSCRIPTION); |
| } |
| |
| private void enforceRegisterConnectionManagerPermission() { |
| enforcePermission(android.Manifest.permission.REGISTER_CONNECTION_MANAGER); |
| } |
| |
| private void enforceReadPermission() { |
| enforcePermission(Manifest.permission.READ_PHONE_STATE); |
| } |
| |
| private void enforceModifyPermission() { |
| enforcePermission(Manifest.permission.MODIFY_PHONE_STATE); |
| } |
| |
| private void enforcePermission(String permission) { |
| mContext.enforceCallingOrSelfPermission(permission, null); |
| } |
| |
| private void enforceRegisterMultiUser() { |
| if (!isCallerSystemApp()) { |
| throw new SecurityException("CAPABILITY_MULTI_USER is only available to system apps."); |
| } |
| } |
| |
| private void enforceUserHandleMatchesCaller(PhoneAccountHandle accountHandle) { |
| if (!Binder.getCallingUserHandle().equals(accountHandle.getUserHandle())) { |
| throw new SecurityException("Calling UserHandle does not match PhoneAccountHandle's"); |
| } |
| } |
| |
| private void enforceFeature(String feature) { |
| PackageManager pm = mContext.getPackageManager(); |
| if (!pm.hasSystemFeature(feature)) { |
| throw new UnsupportedOperationException( |
| "System does not support feature " + feature); |
| } |
| } |
| |
| private boolean isDefaultDialerCalling() { |
| ComponentName defaultDialerComponent = getDefaultPhoneAppInternal(); |
| if (defaultDialerComponent != null) { |
| try { |
| mAppOpsManager.checkPackage( |
| Binder.getCallingUid(), defaultDialerComponent.getPackageName()); |
| return true; |
| } catch (SecurityException e) { |
| Log.e(TAG, e, "Could not get default dialer."); |
| } |
| } |
| return false; |
| } |
| |
| private ComponentName getDefaultPhoneAppInternal() { |
| Resources resources = mContext.getResources(); |
| return new ComponentName( |
| resources.getString(R.string.ui_default_package), |
| resources.getString(R.string.dialer_default_class)); |
| } |
| |
| private TelephonyManager getTelephonyManager() { |
| return (TelephonyManager)mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| } |
| |
| private MainThreadRequest sendRequestAsync(int command, int arg1) { |
| return sendRequestAsync(command, arg1, null); |
| } |
| |
| private MainThreadRequest sendRequestAsync(int command, int arg1, Object arg) { |
| MainThreadRequest request = new MainThreadRequest(); |
| request.arg = arg; |
| mMainThreadHandler.obtainMessage(command, arg1, 0, request).sendToTarget(); |
| return request; |
| } |
| |
| /** |
| * Posts the specified command to be executed on the main thread, waits for the request to |
| * complete, and returns the result. |
| */ |
| private Object sendRequest(int command) { |
| if (Looper.myLooper() == mMainThreadHandler.getLooper()) { |
| MainThreadRequest request = new MainThreadRequest(); |
| mMainThreadHandler.handleMessage(mMainThreadHandler.obtainMessage(command, request)); |
| return request.result; |
| } else { |
| MainThreadRequest request = sendRequestAsync(command, 0); |
| |
| // Wait for the request to complete |
| synchronized (request) { |
| while (request.result == null) { |
| try { |
| request.wait(); |
| } catch (InterruptedException e) { |
| // Do nothing, go back and wait until the request is complete |
| } |
| } |
| } |
| return request.result; |
| } |
| } |
| } |