| /* |
| * Copyright (C) 2013 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.internal.telephony.cdma; |
| |
| import android.Manifest; |
| import android.app.Activity; |
| import android.app.AppOpsManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.os.Message; |
| import android.provider.Telephony.Sms.Intents; |
| import android.telephony.PhoneNumberUtils; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.cdma.CdmaSmsCbProgramData; |
| import android.telephony.cdma.CdmaSmsCbProgramResults; |
| |
| import com.android.internal.telephony.CommandsInterface; |
| import com.android.internal.telephony.WakeLockStateMachine; |
| import com.android.internal.telephony.cdma.sms.BearerData; |
| import com.android.internal.telephony.cdma.sms.CdmaSmsAddress; |
| import com.android.internal.telephony.cdma.sms.SmsEnvelope; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| |
| /** |
| * Handle CDMA Service Category Program Data requests and responses. |
| */ |
| public final class CdmaServiceCategoryProgramHandler extends WakeLockStateMachine { |
| |
| final CommandsInterface mCi; |
| |
| /** |
| * Create a new CDMA inbound SMS handler. |
| */ |
| CdmaServiceCategoryProgramHandler(Context context, CommandsInterface commandsInterface) { |
| super("CdmaServiceCategoryProgramHandler", context, null); |
| mContext = context; |
| mCi = commandsInterface; |
| } |
| |
| /** |
| * Create a new State machine for SCPD requests. |
| * @param context the context to use |
| * @param commandsInterface the radio commands interface |
| * @return the new SCPD handler |
| */ |
| static CdmaServiceCategoryProgramHandler makeScpHandler(Context context, |
| CommandsInterface commandsInterface) { |
| CdmaServiceCategoryProgramHandler handler = new CdmaServiceCategoryProgramHandler( |
| context, commandsInterface); |
| handler.start(); |
| return handler; |
| } |
| |
| /** |
| * Handle Cell Broadcast messages from {@code CdmaInboundSmsHandler}. |
| * 3GPP-format Cell Broadcast messages sent from radio are handled in the subclass. |
| * |
| * @param message the message to process |
| * @return true if an ordered broadcast was sent; false on failure |
| */ |
| @Override |
| protected boolean handleSmsMessage(Message message) { |
| if (message.obj instanceof SmsMessage) { |
| return handleServiceCategoryProgramData((SmsMessage) message.obj); |
| } else { |
| loge("handleMessage got object of type: " + message.obj.getClass().getName()); |
| return false; |
| } |
| } |
| |
| |
| /** |
| * Send SCPD request to CellBroadcastReceiver as an ordered broadcast. |
| * @param sms the CDMA SmsMessage containing the SCPD request |
| * @return true if an ordered broadcast was sent; false on failure |
| */ |
| private boolean handleServiceCategoryProgramData(SmsMessage sms) { |
| ArrayList<CdmaSmsCbProgramData> programDataList = sms.getSmsCbProgramData(); |
| if (programDataList == null) { |
| loge("handleServiceCategoryProgramData: program data list is null!"); |
| return false; |
| } |
| |
| Intent intent = new Intent(Intents.SMS_SERVICE_CATEGORY_PROGRAM_DATA_RECEIVED_ACTION); |
| intent.setPackage(mContext.getResources().getString( |
| com.android.internal.R.string.config_defaultCellBroadcastReceiverPkg)); |
| intent.putExtra("sender", sms.getOriginatingAddress()); |
| intent.putParcelableArrayListExtra("program_data", programDataList); |
| SubscriptionManager.putPhoneIdAndSubIdExtra(intent, mPhone.getPhoneId()); |
| mContext.sendOrderedBroadcast(intent, Manifest.permission.RECEIVE_SMS, |
| AppOpsManager.OP_RECEIVE_SMS, mScpResultsReceiver, |
| getHandler(), Activity.RESULT_OK, null, null); |
| return true; |
| } |
| |
| /** |
| * Broadcast receiver to handle results of ordered broadcast. Sends the SCPD results |
| * as a reply SMS, then sends a message to state machine to transition to idle. |
| */ |
| private final BroadcastReceiver mScpResultsReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| sendScpResults(); |
| if (DBG) log("mScpResultsReceiver finished"); |
| sendMessage(EVENT_BROADCAST_COMPLETE); |
| } |
| |
| private void sendScpResults() { |
| int resultCode = getResultCode(); |
| if ((resultCode != Activity.RESULT_OK) && (resultCode != Intents.RESULT_SMS_HANDLED)) { |
| loge("SCP results error: result code = " + resultCode); |
| return; |
| } |
| Bundle extras = getResultExtras(false); |
| if (extras == null) { |
| loge("SCP results error: missing extras"); |
| return; |
| } |
| String sender = extras.getString("sender"); |
| if (sender == null) { |
| loge("SCP results error: missing sender extra."); |
| return; |
| } |
| ArrayList<CdmaSmsCbProgramResults> results |
| = extras.getParcelableArrayList("results"); |
| if (results == null) { |
| loge("SCP results error: missing results extra."); |
| return; |
| } |
| |
| BearerData bData = new BearerData(); |
| bData.messageType = BearerData.MESSAGE_TYPE_SUBMIT; |
| bData.messageId = SmsMessage.getNextMessageId(); |
| bData.serviceCategoryProgramResults = results; |
| byte[] encodedBearerData = BearerData.encode(bData); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(100); |
| DataOutputStream dos = new DataOutputStream(baos); |
| try { |
| dos.writeInt(SmsEnvelope.TELESERVICE_SCPT); |
| dos.writeInt(0); //servicePresent |
| dos.writeInt(0); //serviceCategory |
| CdmaSmsAddress destAddr = CdmaSmsAddress.parse( |
| PhoneNumberUtils.cdmaCheckAndProcessPlusCodeForSms(sender)); |
| dos.write(destAddr.digitMode); |
| dos.write(destAddr.numberMode); |
| dos.write(destAddr.ton); // number_type |
| dos.write(destAddr.numberPlan); |
| dos.write(destAddr.numberOfDigits); |
| dos.write(destAddr.origBytes, 0, destAddr.origBytes.length); // digits |
| // Subaddress is not supported. |
| dos.write(0); //subaddressType |
| dos.write(0); //subaddr_odd |
| dos.write(0); //subaddr_nbr_of_digits |
| dos.write(encodedBearerData.length); |
| dos.write(encodedBearerData, 0, encodedBearerData.length); |
| // Ignore the RIL response. TODO: implement retry if SMS send fails. |
| mCi.sendCdmaSms(baos.toByteArray(), null); |
| } catch (IOException e) { |
| loge("exception creating SCP results PDU", e); |
| } finally { |
| try { |
| dos.close(); |
| } catch (IOException ignored) { |
| } |
| } |
| } |
| }; |
| } |