/*
* Copyright (C) 2006 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;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.app.PendingIntent.CanceledException;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.database.Cursor;
import android.database.ContentObserver;
import android.database.SQLException;
import android.net.Uri;
import android.os.AsyncResult;
import android.os.Binder;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.os.SystemProperties;
import android.provider.Settings;
import android.provider.Telephony;
import android.provider.Telephony.Sms.Intents;
import android.telephony.PhoneNumberUtils;
import android.telephony.ServiceState;
import android.telephony.SmsCbMessage;
import android.telephony.SmsMessage;
import android.telephony.TelephonyManager;
import android.text.Html;
import android.text.Spanned;
import android.util.EventLog;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.internal.R;
import com.android.internal.telephony.EventLogTags;
import com.android.internal.telephony.GsmAlphabet.TextEncodingDetails;
import com.android.internal.util.HexDump;
import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.HashMap;
import java.util.Random;
import static android.telephony.SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE;
import static android.telephony.SmsManager.RESULT_ERROR_GENERIC_FAILURE;
import static android.telephony.SmsManager.RESULT_ERROR_LIMIT_EXCEEDED;
import static android.telephony.SmsManager.RESULT_ERROR_NO_SERVICE;
import static android.telephony.SmsManager.RESULT_ERROR_NULL_PDU;
import static android.telephony.SmsManager.RESULT_ERROR_RADIO_OFF;
public abstract class SMSDispatcher extends Handler {
static final String TAG = "SMS"; // accessed from inner class
private static final String SEND_NEXT_MSG_EXTRA = "SendNextMsg";
/** Permission required to receive SMS and SMS-CB messages. */
public static final String RECEIVE_SMS_PERMISSION = "android.permission.RECEIVE_SMS";
/** Permission required to receive ETWS and CMAS emergency broadcasts. */
public static final String RECEIVE_EMERGENCY_BROADCAST_PERMISSION =
"android.permission.RECEIVE_EMERGENCY_BROADCAST";
/** Permission required to send SMS to short codes without user confirmation. */
private static final String SEND_SMS_NO_CONFIRMATION_PERMISSION =
"android.permission.SEND_SMS_NO_CONFIRMATION";
/** Query projection for checking for duplicate message segments. */
private static final String[] PDU_PROJECTION = new String[] {
"pdu"
};
/** Query projection for combining concatenated message segments. */
private static final String[] PDU_SEQUENCE_PORT_PROJECTION = new String[] {
"pdu",
"sequence",
"destination_port"
};
private static final int PDU_COLUMN = 0;
private static final int SEQUENCE_COLUMN = 1;
private static final int DESTINATION_PORT_COLUMN = 2;
private static final int PREMIUM_RULE_USE_SIM = 1;
private static final int PREMIUM_RULE_USE_NETWORK = 2;
private static final int PREMIUM_RULE_USE_BOTH = 3;
private final AtomicInteger mPremiumSmsRule = new AtomicInteger(PREMIUM_RULE_USE_SIM);
private final SettingsObserver mSettingsObserver;
/** New SMS received. */
protected static final int EVENT_NEW_SMS = 1;
/** SMS send complete. */
protected static final int EVENT_SEND_SMS_COMPLETE = 2;
/** Retry sending a previously failed SMS message */
private static final int EVENT_SEND_RETRY = 3;
/** Confirmation required for sending a large number of messages. */
private static final int EVENT_SEND_LIMIT_REACHED_CONFIRMATION = 4;
/** Send the user confirmed SMS */
static final int EVENT_SEND_CONFIRMED_SMS = 5; // accessed from inner class
/** Don't send SMS (user did not confirm). */
static final int EVENT_STOP_SENDING = 7; // accessed from inner class
/** Confirmation required for third-party apps sending to an SMS short code. */
private static final int EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE = 8;
/** Confirmation required for third-party apps sending to an SMS short code. */
private static final int EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE = 9;
protected final Phone mPhone;
protected final Context mContext;
protected final ContentResolver mResolver;
protected final CommandsInterface mCm;
protected final SmsStorageMonitor mStorageMonitor;
protected final TelephonyManager mTelephonyManager;
protected final WapPushOverSms mWapPush;
protected static final Uri mRawUri = Uri.withAppendedPath(Telephony.Sms.CONTENT_URI, "raw");
/** Maximum number of times to retry sending a failed SMS. */
private static final int MAX_SEND_RETRIES = 3;
/** Delay before next send attempt on a failed SMS, in milliseconds. */
private static final int SEND_RETRY_DELAY = 2000;
/** single part SMS */
private static final int SINGLE_PART_SMS = 1;
/** Message sending queue limit */
private static final int MO_MSG_QUEUE_LIMIT = 5;
/**
* Message reference for a CONCATENATED_8_BIT_REFERENCE or
* CONCATENATED_16_BIT_REFERENCE message set. Should be
* incremented for each set of concatenated messages.
* Static field shared by all dispatcher objects.
*/
private static int sConcatenatedRef = new Random().nextInt(256);
/** Outgoing message counter. Shared by all dispatchers. */
private final SmsUsageMonitor mUsageMonitor;
/** Number of outgoing SmsTrackers waiting for user confirmation. */
private int mPendingTrackerCount;
/** Wake lock to ensure device stays awake while dispatching the SMS intent. */
private PowerManager.WakeLock mWakeLock;
/**
* Hold the wake lock for 5 seconds, which should be enough time for
* any receiver(s) to grab its own wake lock.
*/
private static final int WAKE_LOCK_TIMEOUT = 5000;
/* Flags indicating whether the current device allows sms service */
protected boolean mSmsCapable = true;
protected boolean mSmsReceiveDisabled;
protected boolean mSmsSendDisabled;
protected int mRemainingMessages = -1;
protected static int getNextConcatenatedRef() {
sConcatenatedRef += 1;
return sConcatenatedRef;
}
/**
* Create a new SMS dispatcher.
* @param phone the Phone to use
* @param storageMonitor the SmsStorageMonitor to use
* @param usageMonitor the SmsUsageMonitor to use
*/
protected SMSDispatcher(PhoneBase phone, SmsStorageMonitor storageMonitor,
SmsUsageMonitor usageMonitor) {
mPhone = phone;
mWapPush = new WapPushOverSms(phone, this);
mContext = phone.getContext();
mResolver = mContext.getContentResolver();
mCm = phone.mCM;
mStorageMonitor = storageMonitor;
mUsageMonitor = usageMonitor;
mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
mSettingsObserver = new SettingsObserver(this, mPremiumSmsRule, mContext);
mContext.getContentResolver().registerContentObserver(Settings.Global.getUriFor(
Settings.Global.SMS_SHORT_CODE_RULE), false, mSettingsObserver);
createWakelock();
mSmsCapable = mContext.getResources().getBoolean(
com.android.internal.R.bool.config_sms_capable);
mSmsReceiveDisabled = !SystemProperties.getBoolean(
TelephonyProperties.PROPERTY_SMS_RECEIVE, mSmsCapable);
mSmsSendDisabled = !SystemProperties.getBoolean(
TelephonyProperties.PROPERTY_SMS_SEND, mSmsCapable);
Log.d(TAG, "SMSDispatcher: ctor mSmsCapable=" + mSmsCapable + " format=" + getFormat()
+ " mSmsReceiveDisabled=" + mSmsReceiveDisabled
+ " mSmsSendDisabled=" + mSmsSendDisabled);
}
/**
* Observe the secure setting for updated premium sms determination rules
*/
private static class SettingsObserver extends ContentObserver {
private final AtomicInteger mPremiumSmsRule;
private final Context mContext;
SettingsObserver(Handler handler, AtomicInteger premiumSmsRule, Context context) {
super(handler);
mPremiumSmsRule = premiumSmsRule;
mContext = context;
onChange(false); // load initial value;
}
@Override
public void onChange(boolean selfChange) {
mPremiumSmsRule.set(Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.SMS_SHORT_CODE_RULE, PREMIUM_RULE_USE_SIM));
}
}
/** Unregister for incoming SMS events. */
public abstract void dispose();
/**
* The format of the message PDU in the associated broadcast intent.
* This will be either "3gpp" for GSM/UMTS/LTE messages in 3GPP format
* or "3gpp2" for CDMA/LTE messages in 3GPP2 format.
*
* Note: All applications which handle incoming SMS messages by processing the
* SMS_RECEIVED_ACTION broadcast intent MUST pass the "format" extra from the intent
* into the new methods in {@link android.telephony.SmsMessage} which take an
* extra format parameter. This is required in order to correctly decode the PDU on
* devices which require support for both 3GPP and 3GPP2 formats at the same time,
* such as CDMA/LTE devices and GSM/CDMA world phones.
*
* @return the format of the message PDU
*/
protected abstract String getFormat();
@Override
protected void finalize() {
Log.d(TAG, "SMSDispatcher finalized");
}
/* TODO: Need to figure out how to keep track of status report routing in a
* persistent manner. If the phone process restarts (reboot or crash),
* we will lose this list and any status reports that come in after
* will be dropped.
*/
/** Sent messages awaiting a delivery status report. */
protected final ArrayList<SmsTracker> deliveryPendingList = new ArrayList<SmsTracker>();
/**
* Handles events coming from the phone stack. Overridden from handler.
*
* @param msg the message to handle
*/
@Override
public void handleMessage(Message msg) {
AsyncResult ar;
switch (msg.what) {
case EVENT_NEW_SMS:
// A new SMS has been received by the device
if (false) {
Log.d(TAG, "New SMS Message Received");
}
SmsMessage sms;
ar = (AsyncResult) msg.obj;
if (ar.exception != null) {
Log.e(TAG, "Exception processing incoming SMS. Exception:" + ar.exception);
return;
}
sms = (SmsMessage) ar.result;
try {
int result = dispatchMessage(sms.mWrappedSmsMessage);
if (result != Activity.RESULT_OK) {
// RESULT_OK means that message was broadcast for app(s) to handle.
// Any other result, we should ack here.
boolean handled = (result == Intents.RESULT_SMS_HANDLED);
notifyAndAcknowledgeLastIncomingSms(handled, result, null);
}
} catch (RuntimeException ex) {
Log.e(TAG, "Exception dispatching message", ex);
notifyAndAcknowledgeLastIncomingSms(false, Intents.RESULT_SMS_GENERIC_ERROR, null);
}
break;
case EVENT_SEND_SMS_COMPLETE:
// An outbound SMS has been successfully transferred, or failed.
handleSendComplete((AsyncResult) msg.obj);
break;
case EVENT_SEND_RETRY:
sendSms((SmsTracker) msg.obj);
break;
case EVENT_SEND_LIMIT_REACHED_CONFIRMATION:
handleReachSentLimit((SmsTracker)(msg.obj));
break;
case EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE:
handleConfirmShortCode(false, (SmsTracker)(msg.obj));
break;
case EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE:
handleConfirmShortCode(true, (SmsTracker)(msg.obj));
break;
case EVENT_SEND_CONFIRMED_SMS:
{
SmsTracker tracker = (SmsTracker) msg.obj;
if (tracker.isMultipart()) {
sendMultipartSms(tracker);
} else {
sendSms(tracker);
}
mPendingTrackerCount--;
break;
}
case EVENT_STOP_SENDING:
{
SmsTracker tracker = (SmsTracker) msg.obj;
if (tracker.mSentIntent != null) {
try {
tracker.mSentIntent.send(RESULT_ERROR_LIMIT_EXCEEDED);
} catch (CanceledException ex) {
Log.e(TAG, "failed to send RESULT_ERROR_LIMIT_EXCEEDED");
}
}
mPendingTrackerCount--;
break;
}
}
}
private void createWakelock() {
PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SMSDispatcher");
mWakeLock.setReferenceCounted(true);
}
/**
* Grabs a wake lock and sends intent as an ordered broadcast.
* The resultReceiver will check for errors and ACK/NACK back
* to the RIL.
*
* @param intent intent to broadcast
* @param permission Receivers are required to have this permission
*/
public void dispatch(Intent intent, String permission) {
// Hold a wake lock for WAKE_LOCK_TIMEOUT seconds, enough to give any
// receivers time to take their own wake locks.
mWakeLock.acquire(WAKE_LOCK_TIMEOUT);
mContext.sendOrderedBroadcast(intent, permission, mResultReceiver,
this, Activity.RESULT_OK, null, null);
}
/**
* Grabs a wake lock and sends intent as an ordered broadcast.
* Used for setting a custom result receiver for CDMA SCPD.
*
* @param intent intent to broadcast
* @param permission Receivers are required to have this permission
* @param resultReceiver the result receiver to use
*/
public void dispatch(Intent intent, String permission, BroadcastReceiver resultReceiver) {
// Hold a wake lock for WAKE_LOCK_TIMEOUT seconds, enough to give any
// receivers time to take their own wake locks.
mWakeLock.acquire(WAKE_LOCK_TIMEOUT);
mContext.sendOrderedBroadcast(intent, permission, resultReceiver,
this, Activity.RESULT_OK, null, null);
}
/**
* Called when SMS send completes. Broadcasts a sentIntent on success.
* On failure, either sets up retries or broadcasts a sentIntent with
* the failure in the result code.
*
* @param ar AsyncResult passed into the message handler. ar.result should
* an SmsResponse instance if send was successful. ar.userObj
* should be an SmsTracker instance.
*/
protected void handleSendComplete(AsyncResult ar) {
SmsTracker tracker = (SmsTracker) ar.userObj;
PendingIntent sentIntent = tracker.mSentIntent;
if (ar.exception == null) {
if (false) {
Log.d(TAG, "SMS send complete. Broadcasting "
+ "intent: " + sentIntent);
}
if (tracker.mDeliveryIntent != null) {
// Expecting a status report. Add it to the list.
int messageRef = ((SmsResponse)ar.result).messageRef;
tracker.mMessageRef = messageRef;
deliveryPendingList.add(tracker);
}
if (sentIntent != null) {
try {
if (mRemainingMessages > -1) {
mRemainingMessages--;
}
if (mRemainingMessages == 0) {
Intent sendNext = new Intent();
sendNext.putExtra(SEND_NEXT_MSG_EXTRA, true);
sentIntent.send(mContext, Activity.RESULT_OK, sendNext);
} else {
sentIntent.send(Activity.RESULT_OK);
}
} catch (CanceledException ex) {}
}
} else {
if (false) {
Log.d(TAG, "SMS send failed");
}
int ss = mPhone.getServiceState().getState();
if (ss != ServiceState.STATE_IN_SERVICE) {
handleNotInService(ss, tracker.mSentIntent);
} else if ((((CommandException)(ar.exception)).getCommandError()
== CommandException.Error.SMS_FAIL_RETRY) &&
tracker.mRetryCount < MAX_SEND_RETRIES) {
// Retry after a delay if needed.
// TODO: According to TS 23.040, 9.2.3.6, we should resend
// with the same TP-MR as the failed message, and
// TP-RD set to 1. However, we don't have a means of
// knowing the MR for the failed message (EF_SMSstatus
// may or may not have the MR corresponding to this
// message, depending on the failure). Also, in some
// implementations this retry is handled by the baseband.
tracker.mRetryCount++;
Message retryMsg = obtainMessage(EVENT_SEND_RETRY, tracker);
sendMessageDelayed(retryMsg, SEND_RETRY_DELAY);
} else if (tracker.mSentIntent != null) {
int error = RESULT_ERROR_GENERIC_FAILURE;
if (((CommandException)(ar.exception)).getCommandError()
== CommandException.Error.FDN_CHECK_FAILURE) {
error = RESULT_ERROR_FDN_CHECK_FAILURE;
}
// Done retrying; return an error to the app.
try {
Intent fillIn = new Intent();
if (ar.result != null) {
fillIn.putExtra("errorCode", ((SmsResponse)ar.result).errorCode);
}
if (mRemainingMessages > -1) {
mRemainingMessages--;
}
if (mRemainingMessages == 0) {
fillIn.putExtra(SEND_NEXT_MSG_EXTRA, true);
}
tracker.mSentIntent.send(mContext, error, fillIn);
} catch (CanceledException ex) {}
}
}
}
/**
* Handles outbound message when the phone is not in service.
*
* @param ss Current service state. Valid values are:
* OUT_OF_SERVICE
* EMERGENCY_ONLY
* POWER_OFF
* @param sentIntent the PendingIntent to send the error to
*/
protected static void handleNotInService(int ss, PendingIntent sentIntent) {
if (sentIntent != null) {
try {
if (ss == ServiceState.STATE_POWER_OFF) {
sentIntent.send(RESULT_ERROR_RADIO_OFF);
} else {
sentIntent.send(RESULT_ERROR_NO_SERVICE);
}
} catch (CanceledException ex) {}
}
}
/**
* Dispatches an incoming SMS messages.
*
* @param sms the incoming message from the phone
* @return a result code from {@link Telephony.Sms.Intents}, or
* {@link Activity#RESULT_OK} if the message has been broadcast
* to applications
*/
public abstract int dispatchMessage(SmsMessageBase sms);
/**
* Dispatch a normal incoming SMS. This is called from the format-specific
* {@link #dispatchMessage(SmsMessageBase)} if no format-specific handling is required.
*
* @param sms
* @return
*/
protected int dispatchNormalMessage(SmsMessageBase sms) {
SmsHeader smsHeader = sms.getUserDataHeader();
// See if message is partial or port addressed.
if ((smsHeader == null) || (smsHeader.concatRef == null)) {
// Message is not partial (not part of concatenated sequence).
byte[][] pdus = new byte[1][];
pdus[0] = sms.getPdu();
if (smsHeader != null && smsHeader.portAddrs != null) {
if (smsHeader.portAddrs.destPort == SmsHeader.PORT_WAP_PUSH) {
// GSM-style WAP indication
return mWapPush.dispatchWapPdu(sms.getUserData());
} else {
// The message was sent to a port, so concoct a URI for it.
dispatchPortAddressedPdus(pdus, smsHeader.portAddrs.destPort);
}
} else {
// Normal short and non-port-addressed message, dispatch it.
dispatchPdus(pdus);
}
return Activity.RESULT_OK;
} else {
// Process the message part.
SmsHeader.ConcatRef concatRef = smsHeader.concatRef;
SmsHeader.PortAddrs portAddrs = smsHeader.portAddrs;
return processMessagePart(sms.getPdu(), sms.getOriginatingAddress(),
concatRef.refNumber, concatRef.seqNumber, concatRef.msgCount,
sms.getTimestampMillis(), (portAddrs != null ? portAddrs.destPort : -1), false);
}
}
/**
* If this is the last part send the parts out to the application, otherwise
* the part is stored for later processing. Handles both 3GPP concatenated messages
* as well as 3GPP2 format WAP push messages processed by
* {@link com.android.internal.telephony.cdma.CdmaSMSDispatcher#processCdmaWapPdu}.
*
* @param pdu the message PDU, or the datagram portion of a CDMA WDP datagram segment
* @param address the originating address
* @param referenceNumber distinguishes concatenated messages from the same sender
* @param sequenceNumber the order of this segment in the message
* (starting at 0 for CDMA WDP datagrams and 1 for concatenated messages).
* @param messageCount the number of segments in the message
* @param timestamp the service center timestamp in millis
* @param destPort the destination port for the message, or -1 for no destination port
* @param isCdmaWapPush true if pdu is a CDMA WDP datagram segment and not an SM PDU
*
* @return a result code from {@link Telephony.Sms.Intents}, or
* {@link Activity#RESULT_OK} if the message has been broadcast
* to applications
*/
protected int processMessagePart(byte[] pdu, String address, int referenceNumber,
int sequenceNumber, int messageCount, long timestamp, int destPort,
boolean isCdmaWapPush) {
byte[][] pdus = null;
Cursor cursor = null;
try {
// used by several query selection arguments
String refNumber = Integer.toString(referenceNumber);
String seqNumber = Integer.toString(sequenceNumber);
// Check for duplicate message segment
cursor = mResolver.query(mRawUri, PDU_PROJECTION,
"address=? AND reference_number=? AND sequence=?",
new String[] {address, refNumber, seqNumber}, null);
// moveToNext() returns false if no duplicates were found
if (cursor.moveToNext()) {
Log.w(TAG, "Discarding duplicate message segment from address=" + address
+ " refNumber=" + refNumber + " seqNumber=" + seqNumber);
String oldPduString = cursor.getString(PDU_COLUMN);
byte[] oldPdu = HexDump.hexStringToByteArray(oldPduString);
if (!Arrays.equals(oldPdu, pdu)) {
Log.e(TAG, "Warning: dup message segment PDU of length " + pdu.length
+ " is different from existing PDU of length " + oldPdu.length);
}
return Intents.RESULT_SMS_HANDLED;
}
cursor.close();
// not a dup, query for all other segments of this concatenated message
String where = "address=? AND reference_number=?";
String[] whereArgs = new String[] {address, refNumber};
cursor = mResolver.query(mRawUri, PDU_SEQUENCE_PORT_PROJECTION, where, whereArgs, null);
int cursorCount = cursor.getCount();
if (cursorCount != messageCount - 1) {
// We don't have all the parts yet, store this one away
ContentValues values = new ContentValues();
values.put("date", timestamp);
values.put("pdu", HexDump.toHexString(pdu));
values.put("address", address);
values.put("reference_number", referenceNumber);
values.put("count", messageCount);
values.put("sequence", sequenceNumber);
if (destPort != -1) {
values.put("destination_port", destPort);
}
mResolver.insert(mRawUri, values);
return Intents.RESULT_SMS_HANDLED;
}
// All the parts are in place, deal with them
pdus = new byte[messageCount][];
for (int i = 0; i < cursorCount; i++) {
cursor.moveToNext();
int cursorSequence = cursor.getInt(SEQUENCE_COLUMN);
// GSM sequence numbers start at 1; CDMA WDP datagram sequence numbers start at 0
if (!isCdmaWapPush) {
cursorSequence--;
}
pdus[cursorSequence] = HexDump.hexStringToByteArray(
cursor.getString(PDU_COLUMN));
// Read the destination port from the first segment (needed for CDMA WAP PDU).
// It's not a bad idea to prefer the port from the first segment for 3GPP as well.
if (cursorSequence == 0 && !cursor.isNull(DESTINATION_PORT_COLUMN)) {
destPort = cursor.getInt(DESTINATION_PORT_COLUMN);
}
}
// This one isn't in the DB, so add it
// GSM sequence numbers start at 1; CDMA WDP datagram sequence numbers start at 0
if (isCdmaWapPush) {
pdus[sequenceNumber] = pdu;
} else {
pdus[sequenceNumber - 1] = pdu;
}
// Remove the parts from the database
mResolver.delete(mRawUri, where, whereArgs);
} catch (SQLException e) {
Log.e(TAG, "Can't access multipart SMS database", e);
return Intents.RESULT_SMS_GENERIC_ERROR;
} finally {
if (cursor != null) cursor.close();
}
// Special handling for CDMA WDP datagrams
if (isCdmaWapPush) {
// Build up the data stream
ByteArrayOutputStream output = new ByteArrayOutputStream();
for (int i = 0; i < messageCount; i++) {
// reassemble the (WSP-)pdu
output.write(pdus[i], 0, pdus[i].length);
}
byte[] datagram = output.toByteArray();
// Dispatch the PDU to applications
if (destPort == SmsHeader.PORT_WAP_PUSH) {
// Handle the PUSH
return mWapPush.dispatchWapPdu(datagram);
} else {
pdus = new byte[1][];
pdus[0] = datagram;
// The messages were sent to any other WAP port
dispatchPortAddressedPdus(pdus, destPort);
return Activity.RESULT_OK;
}
}
// Dispatch the PDUs to applications
if (destPort != -1) {
if (destPort == SmsHeader.PORT_WAP_PUSH) {
// Build up the data stream
ByteArrayOutputStream output = new ByteArrayOutputStream();
for (int i = 0; i < messageCount; i++) {
SmsMessage msg = SmsMessage.createFromPdu(pdus[i], getFormat());
byte[] data = msg.getUserData();
output.write(data, 0, data.length);
}
// Handle the PUSH
return mWapPush.dispatchWapPdu(output.toByteArray());
} else {
// The messages were sent to a port, so concoct a URI for it
dispatchPortAddressedPdus(pdus, destPort);
}
} else {
// The messages were not sent to a port
dispatchPdus(pdus);
}
return Activity.RESULT_OK;
}
/**
* Dispatches standard PDUs to interested applications
*
* @param pdus The raw PDUs making up the message
*/
protected void dispatchPdus(byte[][] pdus) {
Intent intent = new Intent(Intents.SMS_RECEIVED_ACTION);
intent.putExtra("pdus", pdus);
intent.putExtra("format", getFormat());
dispatch(intent, RECEIVE_SMS_PERMISSION);
}
/**
* Dispatches port addressed PDUs to interested applications
*
* @param pdus The raw PDUs making up the message
* @param port The destination port of the messages
*/
protected void dispatchPortAddressedPdus(byte[][] pdus, int port) {
Uri uri = Uri.parse("sms://localhost:" + port);
Intent intent = new Intent(Intents.DATA_SMS_RECEIVED_ACTION, uri);
intent.putExtra("pdus", pdus);
intent.putExtra("format", getFormat());
dispatch(intent, RECEIVE_SMS_PERMISSION);
}
/**
* Send a data based SMS to a specific application port.
*
* @param destAddr the address to send the message to
* @param scAddr is the service center address or null to use
* the current default SMSC
* @param destPort the port to deliver the message to
* @param data the body of the message to send
* @param sentIntent if not NULL this <code>PendingIntent</code> is
* broadcast when the message is successfully sent, or failed.
* The result code will be <code>Activity.RESULT_OK<code> for success,
* or one of these errors:<br>
* <code>RESULT_ERROR_GENERIC_FAILURE</code><br>
* <code>RESULT_ERROR_RADIO_OFF</code><br>
* <code>RESULT_ERROR_NULL_PDU</code><br>
* <code>RESULT_ERROR_NO_SERVICE</code><br>.
* For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include
* the extra "errorCode" containing a radio technology specific value,
* generally only useful for troubleshooting.<br>
* The per-application based SMS control checks sentIntent. If sentIntent
* is NULL the caller will be checked against all unknown applications,
* which cause smaller number of SMS to be sent in checking period.
* @param deliveryIntent if not NULL this <code>PendingIntent</code> is
* broadcast when the message is delivered to the recipient. The
* raw pdu of the status report is in the extended data ("pdu").
*/
protected abstract void sendData(String destAddr, String scAddr, int destPort,
byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent);
/**
* Send a text based SMS.
*
* @param destAddr the address to send the message to
* @param scAddr is the service center address or null to use
* the current default SMSC
* @param text the body of the message to send
* @param sentIntent if not NULL this <code>PendingIntent</code> is
* broadcast when the message is successfully sent, or failed.
* The result code will be <code>Activity.RESULT_OK<code> for success,
* or one of these errors:<br>
* <code>RESULT_ERROR_GENERIC_FAILURE</code><br>
* <code>RESULT_ERROR_RADIO_OFF</code><br>
* <code>RESULT_ERROR_NULL_PDU</code><br>
* <code>RESULT_ERROR_NO_SERVICE</code><br>.
* For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include
* the extra "errorCode" containing a radio technology specific value,
* generally only useful for troubleshooting.<br>
* The per-application based SMS control checks sentIntent. If sentIntent
* is NULL the caller will be checked against all unknown applications,
* which cause smaller number of SMS to be sent in checking period.
* @param deliveryIntent if not NULL this <code>PendingIntent</code> is
* broadcast when the message is delivered to the recipient. The
* raw pdu of the status report is in the extended data ("pdu").
*/
protected abstract void sendText(String destAddr, String scAddr,
String text, PendingIntent sentIntent, PendingIntent deliveryIntent);
/**
* Calculate the number of septets needed to encode the message.
*
* @param messageBody the message to encode
* @param use7bitOnly ignore (but still count) illegal characters if true
* @return TextEncodingDetails
*/
protected abstract TextEncodingDetails calculateLength(CharSequence messageBody,
boolean use7bitOnly);
/**
* Send a multi-part text based SMS.
*
* @param destAddr the address to send the message to
* @param scAddr is the service center address or null to use
* the current default SMSC
* @param parts an <code>ArrayList</code> of strings that, in order,
* comprise the original message
* @param sentIntents if not null, an <code>ArrayList</code> of
* <code>PendingIntent</code>s (one for each message part) that is
* broadcast when the corresponding message part has been sent.
* The result code will be <code>Activity.RESULT_OK<code> for success,
* or one of these errors:
* <code>RESULT_ERROR_GENERIC_FAILURE</code>
* <code>RESULT_ERROR_RADIO_OFF</code>
* <code>RESULT_ERROR_NULL_PDU</code>
* <code>RESULT_ERROR_NO_SERVICE</code>.
* The per-application based SMS control checks sentIntent. If sentIntent
* is NULL the caller will be checked against all unknown applications,
* which cause smaller number of SMS to be sent in checking period.
* @param deliveryIntents if not null, an <code>ArrayList</code> of
* <code>PendingIntent</code>s (one for each message part) that is
* broadcast when the corresponding message part has been delivered
* to the recipient. The raw pdu of the status report is in the
* extended data ("pdu").
*/
protected void sendMultipartText(String destAddr, String scAddr,
ArrayList<String> parts, ArrayList<PendingIntent> sentIntents,
ArrayList<PendingIntent> deliveryIntents) {
int refNumber = getNextConcatenatedRef() & 0x00FF;
int msgCount = parts.size();
int encoding = SmsConstants.ENCODING_UNKNOWN;
mRemainingMessages = msgCount;
TextEncodingDetails[] encodingForParts = new TextEncodingDetails[msgCount];
for (int i = 0; i < msgCount; i++) {
TextEncodingDetails details = calculateLength(parts.get(i), false);
if (encoding != details.codeUnitSize
&& (encoding == SmsConstants.ENCODING_UNKNOWN
|| encoding == SmsConstants.ENCODING_7BIT)) {
encoding = details.codeUnitSize;
}
encodingForParts[i] = details;
}
for (int i = 0; i < msgCount; i++) {
SmsHeader.ConcatRef concatRef = new SmsHeader.ConcatRef();
concatRef.refNumber = refNumber;
concatRef.seqNumber = i + 1; // 1-based sequence
concatRef.msgCount = msgCount;
// TODO: We currently set this to true since our messaging app will never
// send more than 255 parts (it converts the message to MMS well before that).
// However, we should support 3rd party messaging apps that might need 16-bit
// references
// Note: It's not sufficient to just flip this bit to true; it will have
// ripple effects (several calculations assume 8-bit ref).
concatRef.isEightBits = true;
SmsHeader smsHeader = new SmsHeader();
smsHeader.concatRef = concatRef;
// Set the national language tables for 3GPP 7-bit encoding, if enabled.
if (encoding == SmsConstants.ENCODING_7BIT) {
smsHeader.languageTable = encodingForParts[i].languageTable;
smsHeader.languageShiftTable = encodingForParts[i].languageShiftTable;
}
PendingIntent sentIntent = null;
if (sentIntents != null && sentIntents.size() > i) {
sentIntent = sentIntents.get(i);
}
PendingIntent deliveryIntent = null;
if (deliveryIntents != null && deliveryIntents.size() > i) {
deliveryIntent = deliveryIntents.get(i);
}
sendNewSubmitPdu(destAddr, scAddr, parts.get(i), smsHeader, encoding,
sentIntent, deliveryIntent, (i == (msgCount - 1)));
}
}
/**
* Create a new SubmitPdu and send it.
*/
protected abstract void sendNewSubmitPdu(String destinationAddress, String scAddress,
String message, SmsHeader smsHeader, int encoding,
PendingIntent sentIntent, PendingIntent deliveryIntent, boolean lastPart);
/**
* Send a SMS
*
* @param smsc the SMSC to send the message through, or NULL for the
* default SMSC
* @param pdu the raw PDU to send
* @param sentIntent if not NULL this <code>Intent</code> is
* broadcast when the message is successfully sent, or failed.
* The result code will be <code>Activity.RESULT_OK<code> for success,
* or one of these errors:
* <code>RESULT_ERROR_GENERIC_FAILURE</code>
* <code>RESULT_ERROR_RADIO_OFF</code>
* <code>RESULT_ERROR_NULL_PDU</code>
* <code>RESULT_ERROR_NO_SERVICE</code>.
* The per-application based SMS control checks sentIntent. If sentIntent
* is NULL the caller will be checked against all unknown applications,
* which cause smaller number of SMS to be sent in checking period.
* @param deliveryIntent if not NULL this <code>Intent</code> is
* broadcast when the message is delivered to the recipient. The
* raw pdu of the status report is in the extended data ("pdu").
* @param destAddr the destination phone number (for short code confirmation)
*/
protected void sendRawPdu(byte[] smsc, byte[] pdu, PendingIntent sentIntent,
PendingIntent deliveryIntent, String destAddr) {
if (mSmsSendDisabled) {
if (sentIntent != null) {
try {
sentIntent.send(RESULT_ERROR_NO_SERVICE);
} catch (CanceledException ex) {}
}
Log.d(TAG, "Device does not support sending sms.");
return;
}
if (pdu == null) {
if (sentIntent != null) {
try {
sentIntent.send(RESULT_ERROR_NULL_PDU);
} catch (CanceledException ex) {}
}
return;
}
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("smsc", smsc);
map.put("pdu", pdu);
// Get calling app package name via UID from Binder call
PackageManager pm = mContext.getPackageManager();
String[] packageNames = pm.getPackagesForUid(Binder.getCallingUid());
if (packageNames == null || packageNames.length == 0) {
// Refuse to send SMS if we can't get the calling package name.
Log.e(TAG, "Can't get calling app package name: refusing to send SMS");
if (sentIntent != null) {
try {
sentIntent.send(RESULT_ERROR_GENERIC_FAILURE);
} catch (CanceledException ex) {
Log.e(TAG, "failed to send error result");
}
}
return;
}
// Get package info via packagemanager
PackageInfo appInfo = null;
try {
// XXX this is lossy- apps can share a UID
appInfo = pm.getPackageInfo(packageNames[0], PackageManager.GET_SIGNATURES);
} catch (PackageManager.NameNotFoundException e) {
Log.e(TAG, "Can't get calling app package info: refusing to send SMS");
if (sentIntent != null) {
try {
sentIntent.send(RESULT_ERROR_GENERIC_FAILURE);
} catch (CanceledException ex) {
Log.e(TAG, "failed to send error result");
}
}
return;
}
// Strip non-digits from destination phone number before checking for short codes
// and before displaying the number to the user if confirmation is required.
SmsTracker tracker = new SmsTracker(map, sentIntent, deliveryIntent, appInfo,
PhoneNumberUtils.extractNetworkPortion(destAddr));
// checkDestination() returns true if the destination is not a premium short code or the
// sending app is approved to send to short codes. Otherwise, a message is sent to our
// handler with the SmsTracker to request user confirmation before sending.
if (checkDestination(tracker)) {
// check for excessive outgoing SMS usage by this app
if (!mUsageMonitor.check(appInfo.packageName, SINGLE_PART_SMS)) {
sendMessage(obtainMessage(EVENT_SEND_LIMIT_REACHED_CONFIRMATION, tracker));
return;
}
int ss = mPhone.getServiceState().getState();
if (ss != ServiceState.STATE_IN_SERVICE) {
handleNotInService(ss, tracker.mSentIntent);
} else {
sendSms(tracker);
}
}
}
/**
* Check if destination is a potential premium short code and sender is not pre-approved to
* send to short codes.
*
* @param tracker the tracker for the SMS to send
* @return true if the destination is approved; false if user confirmation event was sent
*/
boolean checkDestination(SmsTracker tracker) {
if (mContext.checkCallingOrSelfPermission(SEND_SMS_NO_CONFIRMATION_PERMISSION)
== PackageManager.PERMISSION_GRANTED) {
return true; // app is pre-approved to send to short codes
} else {
int rule = mPremiumSmsRule.get();
int smsCategory = SmsUsageMonitor.CATEGORY_NOT_SHORT_CODE;
if (rule == PREMIUM_RULE_USE_SIM || rule == PREMIUM_RULE_USE_BOTH) {
String simCountryIso = mTelephonyManager.getSimCountryIso();
if (simCountryIso == null || simCountryIso.length() != 2) {
Log.e(TAG, "Can't get SIM country Iso: trying network country Iso");
simCountryIso = mTelephonyManager.getNetworkCountryIso();
}
smsCategory = mUsageMonitor.checkDestination(tracker.mDestAddress, simCountryIso);
}
if (rule == PREMIUM_RULE_USE_NETWORK || rule == PREMIUM_RULE_USE_BOTH) {
String networkCountryIso = mTelephonyManager.getNetworkCountryIso();
if (networkCountryIso == null || networkCountryIso.length() != 2) {
Log.e(TAG, "Can't get Network country Iso: trying SIM country Iso");
networkCountryIso = mTelephonyManager.getSimCountryIso();
}
smsCategory = mUsageMonitor.mergeShortCodeCategories(smsCategory,
mUsageMonitor.checkDestination(tracker.mDestAddress, networkCountryIso));
}
if (smsCategory == SmsUsageMonitor.CATEGORY_NOT_SHORT_CODE
|| smsCategory == SmsUsageMonitor.CATEGORY_FREE_SHORT_CODE
|| smsCategory == SmsUsageMonitor.CATEGORY_STANDARD_SHORT_CODE) {
return true; // not a premium short code
}
// Wait for user confirmation unless the user has set permission to always allow/deny
int premiumSmsPermission = mUsageMonitor.getPremiumSmsPermission(
tracker.mAppInfo.packageName);
if (premiumSmsPermission == SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN) {
// First time trying to send to premium SMS.
premiumSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER;
}
switch (premiumSmsPermission) {
case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW:
Log.d(TAG, "User approved this app to send to premium SMS");
return true;
case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW:
Log.w(TAG, "User denied this app from sending to premium SMS");
sendMessage(obtainMessage(EVENT_STOP_SENDING, tracker));
return false; // reject this message
case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER:
default:
int event;
if (smsCategory == SmsUsageMonitor.CATEGORY_POSSIBLE_PREMIUM_SHORT_CODE) {
event = EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE;
} else {
event = EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE;
}
sendMessage(obtainMessage(event, tracker));
return false; // wait for user confirmation
}
}
}
/**
* Deny sending an SMS if the outgoing queue limit is reached. Used when the message
* must be confirmed by the user due to excessive usage or potential premium SMS detected.
* @param tracker the SmsTracker for the message to send
* @return true if the message was denied; false to continue with send confirmation
*/
private boolean denyIfQueueLimitReached(SmsTracker tracker) {
if (mPendingTrackerCount >= MO_MSG_QUEUE_LIMIT) {
// Deny sending message when the queue limit is reached.
try {
tracker.mSentIntent.send(RESULT_ERROR_LIMIT_EXCEEDED);
} catch (CanceledException ex) {
Log.e(TAG, "failed to send back RESULT_ERROR_LIMIT_EXCEEDED");
}
return true;
}
mPendingTrackerCount++;
return false;
}
/**
* Returns the label for the specified app package name.
* @param appPackage the package name of the app requesting to send an SMS
* @return the label for the specified app, or the package name if getApplicationInfo() fails
*/
private CharSequence getAppLabel(String appPackage) {
PackageManager pm = mContext.getPackageManager();
try {
ApplicationInfo appInfo = pm.getApplicationInfo(appPackage, 0);
return appInfo.loadLabel(pm);
} catch (PackageManager.NameNotFoundException e) {
Log.e(TAG, "PackageManager Name Not Found for package " + appPackage);
return appPackage; // fall back to package name if we can't get app label
}
}
/**
* Post an alert when SMS needs confirmation due to excessive usage.
* @param tracker an SmsTracker for the current message.
*/
protected void handleReachSentLimit(SmsTracker tracker) {
if (denyIfQueueLimitReached(tracker)) {
return; // queue limit reached; error was returned to caller
}
CharSequence appLabel = getAppLabel(tracker.mAppInfo.packageName);
Resources r = Resources.getSystem();
Spanned messageText = Html.fromHtml(r.getString(R.string.sms_control_message, appLabel));
ConfirmDialogListener listener = new ConfirmDialogListener(tracker, null);
AlertDialog d = new AlertDialog.Builder(mContext)
.setTitle(R.string.sms_control_title)
.setIcon(R.drawable.stat_sys_warning)
.setMessage(messageText)
.setPositiveButton(r.getString(R.string.sms_control_yes), listener)
.setNegativeButton(r.getString(R.string.sms_control_no), listener)
.setOnCancelListener(listener)
.create();
d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
d.show();
}
/**
* Post an alert for user confirmation when sending to a potential short code.
* @param isPremium true if the destination is known to be a premium short code
* @param tracker the SmsTracker for the current message.
*/
protected void handleConfirmShortCode(boolean isPremium, SmsTracker tracker) {
if (denyIfQueueLimitReached(tracker)) {
return; // queue limit reached; error was returned to caller
}
int detailsId;
if (isPremium) {
detailsId = R.string.sms_premium_short_code_details;
} else {
detailsId = R.string.sms_short_code_details;
}
CharSequence appLabel = getAppLabel(tracker.mAppInfo.packageName);
Resources r = Resources.getSystem();
Spanned messageText = Html.fromHtml(r.getString(R.string.sms_short_code_confirm_message,
appLabel, tracker.mDestAddress));
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.sms_short_code_confirmation_dialog, null);
ConfirmDialogListener listener = new ConfirmDialogListener(tracker,
(TextView)layout.findViewById(R.id.sms_short_code_remember_undo_instruction));
TextView messageView = (TextView) layout.findViewById(R.id.sms_short_code_confirm_message);
messageView.setText(messageText);
ViewGroup detailsLayout = (ViewGroup) layout.findViewById(
R.id.sms_short_code_detail_layout);
TextView detailsView = (TextView) detailsLayout.findViewById(
R.id.sms_short_code_detail_message);
detailsView.setText(detailsId);
CheckBox rememberChoice = (CheckBox) layout.findViewById(
R.id.sms_short_code_remember_choice_checkbox);
rememberChoice.setOnCheckedChangeListener(listener);
AlertDialog d = new AlertDialog.Builder(mContext)
.setView(layout)
.setPositiveButton(r.getString(R.string.sms_short_code_confirm_allow), listener)
.setNegativeButton(r.getString(R.string.sms_short_code_confirm_deny), listener)
.setOnCancelListener(listener)
.create();
d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
d.show();
listener.setPositiveButton(d.getButton(DialogInterface.BUTTON_POSITIVE));
listener.setNegativeButton(d.getButton(DialogInterface.BUTTON_NEGATIVE));
}
/**
* Returns the premium SMS permission for the specified package. If the package has never
* been seen before, the default {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ASK_USER}
* will be returned.
* @param packageName the name of the package to query permission
* @return one of {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_UNKNOWN},
* {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ASK_USER},
* {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_NEVER_ALLOW}, or
* {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW}
*/
public int getPremiumSmsPermission(String packageName) {
return mUsageMonitor.getPremiumSmsPermission(packageName);
}
/**
* Sets the premium SMS permission for the specified package and save the value asynchronously
* to persistent storage.
* @param packageName the name of the package to set permission
* @param permission one of {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ASK_USER},
* {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_NEVER_ALLOW}, or
* {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW}
*/
public void setPremiumSmsPermission(String packageName, int permission) {
mUsageMonitor.setPremiumSmsPermission(packageName, permission);
}
/**
* Send the message along to the radio.
*
* @param tracker holds the SMS message to send
*/
protected abstract void sendSms(SmsTracker tracker);
/**
* Send the multi-part SMS based on multipart Sms tracker
*
* @param tracker holds the multipart Sms tracker ready to be sent
*/
private void sendMultipartSms(SmsTracker tracker) {
ArrayList<String> parts;
ArrayList<PendingIntent> sentIntents;
ArrayList<PendingIntent> deliveryIntents;
HashMap<String, Object> map = tracker.mData;
String destinationAddress = (String) map.get("destination");
String scAddress = (String) map.get("scaddress");
parts = (ArrayList<String>) map.get("parts");
sentIntents = (ArrayList<PendingIntent>) map.get("sentIntents");
deliveryIntents = (ArrayList<PendingIntent>) map.get("deliveryIntents");
// check if in service
int ss = mPhone.getServiceState().getState();
if (ss != ServiceState.STATE_IN_SERVICE) {
for (int i = 0, count = parts.size(); i < count; i++) {
PendingIntent sentIntent = null;
if (sentIntents != null && sentIntents.size() > i) {
sentIntent = sentIntents.get(i);
}
handleNotInService(ss, sentIntent);
}
return;
}
sendMultipartText(destinationAddress, scAddress, parts, sentIntents, deliveryIntents);
}
/**
* Send an acknowledge message.
* @param success indicates that last message was successfully received.
* @param result result code indicating any error
* @param response callback message sent when operation completes.
*/
protected abstract void acknowledgeLastIncomingSms(boolean success,
int result, Message response);
/**
* Notify interested apps if the framework has rejected an incoming SMS,
* and send an acknowledge message to the network.
* @param success indicates that last message was successfully received.
* @param result result code indicating any error
* @param response callback message sent when operation completes.
*/
private void notifyAndAcknowledgeLastIncomingSms(boolean success,
int result, Message response) {
if (!success) {
// broadcast SMS_REJECTED_ACTION intent
Intent intent = new Intent(Intents.SMS_REJECTED_ACTION);
intent.putExtra("result", result);
mWakeLock.acquire(WAKE_LOCK_TIMEOUT);
mContext.sendBroadcast(intent, "android.permission.RECEIVE_SMS");
}
acknowledgeLastIncomingSms(success, result, response);
}
/**
* Keeps track of an SMS that has been sent to the RIL, until it has
* successfully been sent, or we're done trying.
*
*/
protected static final class SmsTracker {
// fields need to be public for derived SmsDispatchers
public final HashMap<String, Object> mData;
public int mRetryCount;
public int mMessageRef;
public final PendingIntent mSentIntent;
public final PendingIntent mDeliveryIntent;
public final PackageInfo mAppInfo;
public final String mDestAddress;
public SmsTracker(HashMap<String, Object> data, PendingIntent sentIntent,
PendingIntent deliveryIntent, PackageInfo appInfo, String destAddr) {
mData = data;
mSentIntent = sentIntent;
mDeliveryIntent = deliveryIntent;
mRetryCount = 0;
mAppInfo = appInfo;
mDestAddress = destAddr;
}
/**
* Returns whether this tracker holds a multi-part SMS.
* @return true if the tracker holds a multi-part SMS; false otherwise
*/
protected boolean isMultipart() {
HashMap map = mData;
return map.containsKey("parts");
}
}
/**
* Dialog listener for SMS confirmation dialog.
*/
private final class ConfirmDialogListener
implements DialogInterface.OnClickListener, DialogInterface.OnCancelListener,
CompoundButton.OnCheckedChangeListener {
private final SmsTracker mTracker;
private Button mPositiveButton;
private Button mNegativeButton;
private boolean mRememberChoice; // default is unchecked
private final TextView mRememberUndoInstruction;
ConfirmDialogListener(SmsTracker tracker, TextView textView) {
mTracker = tracker;
mRememberUndoInstruction = textView;
}
void setPositiveButton(Button button) {
mPositiveButton = button;
}
void setNegativeButton(Button button) {
mNegativeButton = button;
}
@Override
public void onClick(DialogInterface dialog, int which) {
// Always set the SMS permission so that Settings will show a permission setting
// for the app (it won't be shown until after the app tries to send to a short code).
int newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER;
if (which == DialogInterface.BUTTON_POSITIVE) {
Log.d(TAG, "CONFIRM sending SMS");
// XXX this is lossy- apps can have more than one signature
EventLog.writeEvent(EventLogTags.SMS_SENT_BY_USER,
mTracker.mAppInfo.signatures[0].toCharsString());
sendMessage(obtainMessage(EVENT_SEND_CONFIRMED_SMS, mTracker));
if (mRememberChoice) {
newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW;
}
} else if (which == DialogInterface.BUTTON_NEGATIVE) {
Log.d(TAG, "DENY sending SMS");
// XXX this is lossy- apps can have more than one signature
EventLog.writeEvent(EventLogTags.SMS_DENIED_BY_USER,
mTracker.mAppInfo.signatures[0].toCharsString());
sendMessage(obtainMessage(EVENT_STOP_SENDING, mTracker));
if (mRememberChoice) {
newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW;
}
}
setPremiumSmsPermission(mTracker.mAppInfo.packageName, newSmsPermission);
}
@Override
public void onCancel(DialogInterface dialog) {
Log.d(TAG, "dialog dismissed: don't send SMS");
sendMessage(obtainMessage(EVENT_STOP_SENDING, mTracker));
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
Log.d(TAG, "remember this choice: " + isChecked);
mRememberChoice = isChecked;
if (isChecked) {
mPositiveButton.setText(R.string.sms_short_code_confirm_always_allow);
mNegativeButton.setText(R.string.sms_short_code_confirm_never_allow);
if (mRememberUndoInstruction != null) {
mRememberUndoInstruction.
setText(R.string.sms_short_code_remember_undo_instruction);
mRememberUndoInstruction.setPadding(0,0,0,32);
}
} else {
mPositiveButton.setText(R.string.sms_short_code_confirm_allow);
mNegativeButton.setText(R.string.sms_short_code_confirm_deny);
if (mRememberUndoInstruction != null) {
mRememberUndoInstruction.setText("");
mRememberUndoInstruction.setPadding(0,0,0,0);
}
}
}
}
private final BroadcastReceiver mResultReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// Assume the intent is one of the SMS receive intents that
// was sent as an ordered broadcast. Check result and ACK.
int rc = getResultCode();
boolean success = (rc == Activity.RESULT_OK)
|| (rc == Intents.RESULT_SMS_HANDLED);
// For a multi-part message, this only ACKs the last part.
// Previous parts were ACK'd as they were received.
acknowledgeLastIncomingSms(success, rc, null);
}
};
protected void dispatchBroadcastMessage(SmsCbMessage message) {
if (message.isEmergencyMessage()) {
Intent intent = new Intent(Intents.SMS_EMERGENCY_CB_RECEIVED_ACTION);
intent.putExtra("message", message);
Log.d(TAG, "Dispatching emergency SMS CB");
dispatch(intent, RECEIVE_EMERGENCY_BROADCAST_PERMISSION);
} else {
Intent intent = new Intent(Intents.SMS_CB_RECEIVED_ACTION);
intent.putExtra("message", message);
Log.d(TAG, "Dispatching SMS CB");
dispatch(intent, RECEIVE_SMS_PERMISSION);
}
}
}