SMSDispatcher.java revision cbaa45bbf2cab852b6c9c3a887e9f803d4e857ea
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.internal.telephony; 18 19import android.Manifest; 20import android.app.Activity; 21import android.app.AlertDialog; 22import android.app.AppOpsManager; 23import android.app.PendingIntent; 24import android.app.PendingIntent.CanceledException; 25import android.content.BroadcastReceiver; 26import android.content.ContentResolver; 27import android.content.ContentValues; 28import android.content.Context; 29import android.content.DialogInterface; 30import android.content.Intent; 31import android.content.pm.ApplicationInfo; 32import android.content.pm.PackageInfo; 33import android.content.pm.PackageManager; 34import android.content.res.Resources; 35import android.database.Cursor; 36import android.database.ContentObserver; 37import android.database.SQLException; 38import android.net.Uri; 39import android.os.AsyncResult; 40import android.os.Binder; 41import android.os.Handler; 42import android.os.Message; 43import android.os.PowerManager; 44import android.os.SystemProperties; 45import android.provider.Settings; 46import android.provider.Telephony; 47import android.provider.Telephony.Sms.Intents; 48import android.telephony.PhoneNumberUtils; 49import android.telephony.ServiceState; 50import android.telephony.SmsCbMessage; 51import android.telephony.SmsMessage; 52import android.telephony.TelephonyManager; 53import android.text.Html; 54import android.text.Spanned; 55import android.util.EventLog; 56import android.telephony.Rlog; 57import android.view.LayoutInflater; 58import android.view.View; 59import android.view.ViewGroup; 60import android.view.WindowManager; 61import android.widget.Button; 62import android.widget.CheckBox; 63import android.widget.CompoundButton; 64import android.widget.TextView; 65 66import com.android.internal.R; 67import com.android.internal.telephony.EventLogTags; 68import com.android.internal.telephony.GsmAlphabet.TextEncodingDetails; 69import com.android.internal.util.HexDump; 70 71import java.io.ByteArrayOutputStream; 72import java.util.ArrayList; 73import java.util.Arrays; 74import java.util.concurrent.atomic.AtomicInteger; 75import java.util.HashMap; 76import java.util.Random; 77 78import static android.telephony.SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE; 79import static android.telephony.SmsManager.RESULT_ERROR_GENERIC_FAILURE; 80import static android.telephony.SmsManager.RESULT_ERROR_LIMIT_EXCEEDED; 81import static android.telephony.SmsManager.RESULT_ERROR_NO_SERVICE; 82import static android.telephony.SmsManager.RESULT_ERROR_NULL_PDU; 83import static android.telephony.SmsManager.RESULT_ERROR_RADIO_OFF; 84 85public abstract class SMSDispatcher extends Handler { 86 static final String TAG = "SMSDispatcher"; // accessed from inner class 87 static final boolean DBG = false; 88 private static final String SEND_NEXT_MSG_EXTRA = "SendNextMsg"; 89 90 /** Permission required to receive SMS and SMS-CB messages. */ 91 public static final String RECEIVE_SMS_PERMISSION = Manifest.permission.RECEIVE_SMS; 92 93 /** Permission required to receive ETWS and CMAS emergency broadcasts. 94 * XXX this permission is declared in the Mms app... wha?!? */ 95 public static final String RECEIVE_EMERGENCY_BROADCAST_PERMISSION = 96 Manifest.permission.RECEIVE_EMERGENCY_BROADCAST; 97 98 /** Permission required to send SMS to short codes without user confirmation. */ 99 private static final String SEND_SMS_NO_CONFIRMATION_PERMISSION = 100 "android.permission.SEND_SMS_NO_CONFIRMATION"; 101 102 /** Query projection for checking for duplicate message segments. */ 103 private static final String[] PDU_PROJECTION = new String[] { 104 "pdu" 105 }; 106 107 /** Query projection for combining concatenated message segments. */ 108 private static final String[] PDU_SEQUENCE_PORT_PROJECTION = new String[] { 109 "pdu", 110 "sequence", 111 "destination_port" 112 }; 113 114 private static final int PDU_COLUMN = 0; 115 private static final int SEQUENCE_COLUMN = 1; 116 private static final int DESTINATION_PORT_COLUMN = 2; 117 118 private static final int PREMIUM_RULE_USE_SIM = 1; 119 private static final int PREMIUM_RULE_USE_NETWORK = 2; 120 private static final int PREMIUM_RULE_USE_BOTH = 3; 121 private final AtomicInteger mPremiumSmsRule = new AtomicInteger(PREMIUM_RULE_USE_SIM); 122 private final SettingsObserver mSettingsObserver; 123 124 /** New SMS received. */ 125 protected static final int EVENT_NEW_SMS = 1; 126 127 /** SMS send complete. */ 128 protected static final int EVENT_SEND_SMS_COMPLETE = 2; 129 130 /** Retry sending a previously failed SMS message */ 131 private static final int EVENT_SEND_RETRY = 3; 132 133 /** Confirmation required for sending a large number of messages. */ 134 private static final int EVENT_SEND_LIMIT_REACHED_CONFIRMATION = 4; 135 136 /** Send the user confirmed SMS */ 137 static final int EVENT_SEND_CONFIRMED_SMS = 5; // accessed from inner class 138 139 /** Don't send SMS (user did not confirm). */ 140 static final int EVENT_STOP_SENDING = 7; // accessed from inner class 141 142 /** Confirmation required for third-party apps sending to an SMS short code. */ 143 private static final int EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE = 8; 144 145 /** Confirmation required for third-party apps sending to an SMS short code. */ 146 private static final int EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE = 9; 147 148 protected final Phone mPhone; 149 protected final Context mContext; 150 protected final ContentResolver mResolver; 151 protected final CommandsInterface mCm; 152 protected final SmsStorageMonitor mStorageMonitor; 153 protected final TelephonyManager mTelephonyManager; 154 155 protected final WapPushOverSms mWapPush; 156 157 protected static final Uri mRawUri = Uri.withAppendedPath(Telephony.Sms.CONTENT_URI, "raw"); 158 159 /** Maximum number of times to retry sending a failed SMS. */ 160 private static final int MAX_SEND_RETRIES = 3; 161 /** Delay before next send attempt on a failed SMS, in milliseconds. */ 162 private static final int SEND_RETRY_DELAY = 2000; 163 /** single part SMS */ 164 private static final int SINGLE_PART_SMS = 1; 165 /** Message sending queue limit */ 166 private static final int MO_MSG_QUEUE_LIMIT = 5; 167 168 /** 169 * Message reference for a CONCATENATED_8_BIT_REFERENCE or 170 * CONCATENATED_16_BIT_REFERENCE message set. Should be 171 * incremented for each set of concatenated messages. 172 * Static field shared by all dispatcher objects. 173 */ 174 private static int sConcatenatedRef = new Random().nextInt(256); 175 176 /** Outgoing message counter. Shared by all dispatchers. */ 177 private final SmsUsageMonitor mUsageMonitor; 178 179 /** Number of outgoing SmsTrackers waiting for user confirmation. */ 180 private int mPendingTrackerCount; 181 182 /** Wake lock to ensure device stays awake while dispatching the SMS intent. */ 183 private PowerManager.WakeLock mWakeLock; 184 185 /** 186 * Hold the wake lock for 5 seconds, which should be enough time for 187 * any receiver(s) to grab its own wake lock. 188 */ 189 private static final int WAKE_LOCK_TIMEOUT = 5000; 190 191 /* Flags indicating whether the current device allows sms service */ 192 protected boolean mSmsCapable = true; 193 protected boolean mSmsReceiveDisabled; 194 protected boolean mSmsSendDisabled; 195 196 protected int mRemainingMessages = -1; 197 198 protected static int getNextConcatenatedRef() { 199 sConcatenatedRef += 1; 200 return sConcatenatedRef; 201 } 202 203 /** 204 * Create a new SMS dispatcher. 205 * @param phone the Phone to use 206 * @param storageMonitor the SmsStorageMonitor to use 207 * @param usageMonitor the SmsUsageMonitor to use 208 */ 209 protected SMSDispatcher(PhoneBase phone, SmsStorageMonitor storageMonitor, 210 SmsUsageMonitor usageMonitor) { 211 mPhone = phone; 212 mWapPush = new WapPushOverSms(phone, this); 213 mContext = phone.getContext(); 214 mResolver = mContext.getContentResolver(); 215 mCm = phone.mCM; 216 mStorageMonitor = storageMonitor; 217 mUsageMonitor = usageMonitor; 218 mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE); 219 mSettingsObserver = new SettingsObserver(this, mPremiumSmsRule, mContext); 220 mContext.getContentResolver().registerContentObserver(Settings.Global.getUriFor( 221 Settings.Global.SMS_SHORT_CODE_RULE), false, mSettingsObserver); 222 223 createWakelock(); 224 225 mSmsCapable = mContext.getResources().getBoolean( 226 com.android.internal.R.bool.config_sms_capable); 227 mSmsReceiveDisabled = !SystemProperties.getBoolean( 228 TelephonyProperties.PROPERTY_SMS_RECEIVE, mSmsCapable); 229 mSmsSendDisabled = !SystemProperties.getBoolean( 230 TelephonyProperties.PROPERTY_SMS_SEND, mSmsCapable); 231 Rlog.d(TAG, "SMSDispatcher: ctor mSmsCapable=" + mSmsCapable + " format=" + getFormat() 232 + " mSmsReceiveDisabled=" + mSmsReceiveDisabled 233 + " mSmsSendDisabled=" + mSmsSendDisabled); 234 } 235 236 /** 237 * Observe the secure setting for updated premium sms determination rules 238 */ 239 private static class SettingsObserver extends ContentObserver { 240 private final AtomicInteger mPremiumSmsRule; 241 private final Context mContext; 242 SettingsObserver(Handler handler, AtomicInteger premiumSmsRule, Context context) { 243 super(handler); 244 mPremiumSmsRule = premiumSmsRule; 245 mContext = context; 246 onChange(false); // load initial value; 247 } 248 249 @Override 250 public void onChange(boolean selfChange) { 251 mPremiumSmsRule.set(Settings.Global.getInt(mContext.getContentResolver(), 252 Settings.Global.SMS_SHORT_CODE_RULE, PREMIUM_RULE_USE_SIM)); 253 } 254 } 255 256 /** Unregister for incoming SMS events. */ 257 public abstract void dispose(); 258 259 /** 260 * The format of the message PDU in the associated broadcast intent. 261 * This will be either "3gpp" for GSM/UMTS/LTE messages in 3GPP format 262 * or "3gpp2" for CDMA/LTE messages in 3GPP2 format. 263 * 264 * Note: All applications which handle incoming SMS messages by processing the 265 * SMS_RECEIVED_ACTION broadcast intent MUST pass the "format" extra from the intent 266 * into the new methods in {@link android.telephony.SmsMessage} which take an 267 * extra format parameter. This is required in order to correctly decode the PDU on 268 * devices which require support for both 3GPP and 3GPP2 formats at the same time, 269 * such as CDMA/LTE devices and GSM/CDMA world phones. 270 * 271 * @return the format of the message PDU 272 */ 273 protected abstract String getFormat(); 274 275 @Override 276 protected void finalize() { 277 Rlog.d(TAG, "SMSDispatcher finalized"); 278 } 279 280 281 /* TODO: Need to figure out how to keep track of status report routing in a 282 * persistent manner. If the phone process restarts (reboot or crash), 283 * we will lose this list and any status reports that come in after 284 * will be dropped. 285 */ 286 /** Sent messages awaiting a delivery status report. */ 287 protected final ArrayList<SmsTracker> deliveryPendingList = new ArrayList<SmsTracker>(); 288 289 /** 290 * Handles events coming from the phone stack. Overridden from handler. 291 * 292 * @param msg the message to handle 293 */ 294 @Override 295 public void handleMessage(Message msg) { 296 AsyncResult ar; 297 298 switch (msg.what) { 299 case EVENT_NEW_SMS: 300 // A new SMS has been received by the device 301 if (DBG) Rlog.d(TAG, "New SMS Message Received"); 302 303 SmsMessage sms; 304 305 ar = (AsyncResult) msg.obj; 306 307 if (ar.exception != null) { 308 Rlog.e(TAG, "Exception processing incoming SMS. Exception:" + ar.exception); 309 return; 310 } 311 312 sms = (SmsMessage) ar.result; 313 try { 314 int result = dispatchMessage(sms.mWrappedSmsMessage); 315 if (result != Activity.RESULT_OK) { 316 // RESULT_OK means that message was broadcast for app(s) to handle. 317 // Any other result, we should ack here. 318 boolean handled = (result == Intents.RESULT_SMS_HANDLED); 319 notifyAndAcknowledgeLastIncomingSms(handled, result, null); 320 } 321 } catch (RuntimeException ex) { 322 Rlog.e(TAG, "Exception dispatching message", ex); 323 notifyAndAcknowledgeLastIncomingSms(false, Intents.RESULT_SMS_GENERIC_ERROR, null); 324 } 325 326 break; 327 328 case EVENT_SEND_SMS_COMPLETE: 329 // An outbound SMS has been successfully transferred, or failed. 330 handleSendComplete((AsyncResult) msg.obj); 331 break; 332 333 case EVENT_SEND_RETRY: 334 sendSms((SmsTracker) msg.obj); 335 break; 336 337 case EVENT_SEND_LIMIT_REACHED_CONFIRMATION: 338 handleReachSentLimit((SmsTracker)(msg.obj)); 339 break; 340 341 case EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE: 342 handleConfirmShortCode(false, (SmsTracker)(msg.obj)); 343 break; 344 345 case EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE: 346 handleConfirmShortCode(true, (SmsTracker)(msg.obj)); 347 break; 348 349 case EVENT_SEND_CONFIRMED_SMS: 350 { 351 SmsTracker tracker = (SmsTracker) msg.obj; 352 if (tracker.isMultipart()) { 353 sendMultipartSms(tracker); 354 } else { 355 sendSms(tracker); 356 } 357 mPendingTrackerCount--; 358 break; 359 } 360 361 case EVENT_STOP_SENDING: 362 { 363 SmsTracker tracker = (SmsTracker) msg.obj; 364 if (tracker.mSentIntent != null) { 365 try { 366 tracker.mSentIntent.send(RESULT_ERROR_LIMIT_EXCEEDED); 367 } catch (CanceledException ex) { 368 Rlog.e(TAG, "failed to send RESULT_ERROR_LIMIT_EXCEEDED"); 369 } 370 } 371 mPendingTrackerCount--; 372 break; 373 } 374 } 375 } 376 377 private void createWakelock() { 378 PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); 379 mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SMSDispatcher"); 380 mWakeLock.setReferenceCounted(true); 381 } 382 383 /** 384 * Grabs a wake lock and sends intent as an ordered broadcast. 385 * The resultReceiver will check for errors and ACK/NACK back 386 * to the RIL. 387 * 388 * @param intent intent to broadcast 389 * @param permission Receivers are required to have this permission 390 * @param appOp App op that is being performed when dispatching to a receiver 391 */ 392 public void dispatch(Intent intent, String permission, int appOp) { 393 // Hold a wake lock for WAKE_LOCK_TIMEOUT seconds, enough to give any 394 // receivers time to take their own wake locks. 395 mWakeLock.acquire(WAKE_LOCK_TIMEOUT); 396 mContext.sendOrderedBroadcast(intent, permission, appOp, mResultReceiver, 397 this, Activity.RESULT_OK, null, null); 398 } 399 400 /** 401 * Grabs a wake lock and sends intent as an ordered broadcast. 402 * Used for setting a custom result receiver for CDMA SCPD. 403 * 404 * @param intent intent to broadcast 405 * @param permission Receivers are required to have this permission 406 * @param appOp App op that is being performed when dispatching to a receiver 407 * @param resultReceiver the result receiver to use 408 */ 409 public void dispatch(Intent intent, String permission, int appOp, 410 BroadcastReceiver resultReceiver) { 411 // Hold a wake lock for WAKE_LOCK_TIMEOUT seconds, enough to give any 412 // receivers time to take their own wake locks. 413 mWakeLock.acquire(WAKE_LOCK_TIMEOUT); 414 mContext.sendOrderedBroadcast(intent, permission, appOp, resultReceiver, 415 this, Activity.RESULT_OK, null, null); 416 } 417 418 /** 419 * Called when SMS send completes. Broadcasts a sentIntent on success. 420 * On failure, either sets up retries or broadcasts a sentIntent with 421 * the failure in the result code. 422 * 423 * @param ar AsyncResult passed into the message handler. ar.result should 424 * an SmsResponse instance if send was successful. ar.userObj 425 * should be an SmsTracker instance. 426 */ 427 protected void handleSendComplete(AsyncResult ar) { 428 SmsTracker tracker = (SmsTracker) ar.userObj; 429 PendingIntent sentIntent = tracker.mSentIntent; 430 431 if (ar.exception == null) { 432 if (DBG) Rlog.d(TAG, "SMS send complete. Broadcasting intent: " + sentIntent); 433 434 if (tracker.mDeliveryIntent != null) { 435 // Expecting a status report. Add it to the list. 436 int messageRef = ((SmsResponse)ar.result).messageRef; 437 tracker.mMessageRef = messageRef; 438 deliveryPendingList.add(tracker); 439 } 440 441 if (sentIntent != null) { 442 try { 443 if (mRemainingMessages > -1) { 444 mRemainingMessages--; 445 } 446 447 if (mRemainingMessages == 0) { 448 Intent sendNext = new Intent(); 449 sendNext.putExtra(SEND_NEXT_MSG_EXTRA, true); 450 sentIntent.send(mContext, Activity.RESULT_OK, sendNext); 451 } else { 452 sentIntent.send(Activity.RESULT_OK); 453 } 454 } catch (CanceledException ex) {} 455 } 456 } else { 457 if (DBG) Rlog.d(TAG, "SMS send failed"); 458 459 int ss = mPhone.getServiceState().getState(); 460 461 if (ss != ServiceState.STATE_IN_SERVICE) { 462 handleNotInService(ss, tracker.mSentIntent); 463 } else if ((((CommandException)(ar.exception)).getCommandError() 464 == CommandException.Error.SMS_FAIL_RETRY) && 465 tracker.mRetryCount < MAX_SEND_RETRIES) { 466 // Retry after a delay if needed. 467 // TODO: According to TS 23.040, 9.2.3.6, we should resend 468 // with the same TP-MR as the failed message, and 469 // TP-RD set to 1. However, we don't have a means of 470 // knowing the MR for the failed message (EF_SMSstatus 471 // may or may not have the MR corresponding to this 472 // message, depending on the failure). Also, in some 473 // implementations this retry is handled by the baseband. 474 tracker.mRetryCount++; 475 Message retryMsg = obtainMessage(EVENT_SEND_RETRY, tracker); 476 sendMessageDelayed(retryMsg, SEND_RETRY_DELAY); 477 } else if (tracker.mSentIntent != null) { 478 int error = RESULT_ERROR_GENERIC_FAILURE; 479 480 if (((CommandException)(ar.exception)).getCommandError() 481 == CommandException.Error.FDN_CHECK_FAILURE) { 482 error = RESULT_ERROR_FDN_CHECK_FAILURE; 483 } 484 // Done retrying; return an error to the app. 485 try { 486 Intent fillIn = new Intent(); 487 if (ar.result != null) { 488 fillIn.putExtra("errorCode", ((SmsResponse)ar.result).errorCode); 489 } 490 if (mRemainingMessages > -1) { 491 mRemainingMessages--; 492 } 493 494 if (mRemainingMessages == 0) { 495 fillIn.putExtra(SEND_NEXT_MSG_EXTRA, true); 496 } 497 498 tracker.mSentIntent.send(mContext, error, fillIn); 499 } catch (CanceledException ex) {} 500 } 501 } 502 } 503 504 /** 505 * Handles outbound message when the phone is not in service. 506 * 507 * @param ss Current service state. Valid values are: 508 * OUT_OF_SERVICE 509 * EMERGENCY_ONLY 510 * POWER_OFF 511 * @param sentIntent the PendingIntent to send the error to 512 */ 513 protected static void handleNotInService(int ss, PendingIntent sentIntent) { 514 if (sentIntent != null) { 515 try { 516 if (ss == ServiceState.STATE_POWER_OFF) { 517 sentIntent.send(RESULT_ERROR_RADIO_OFF); 518 } else { 519 sentIntent.send(RESULT_ERROR_NO_SERVICE); 520 } 521 } catch (CanceledException ex) {} 522 } 523 } 524 525 /** 526 * Dispatches an incoming SMS messages. 527 * 528 * @param sms the incoming message from the phone 529 * @return a result code from {@link android.provider.Telephony.Sms.Intents}, or 530 * {@link Activity#RESULT_OK} if the message has been broadcast 531 * to applications 532 */ 533 public abstract int dispatchMessage(SmsMessageBase sms); 534 535 /** 536 * Dispatch a normal incoming SMS. This is called from the format-specific 537 * {@link #dispatchMessage(SmsMessageBase)} if no format-specific handling is required. 538 * 539 * @param sms 540 * @return {@link Activity#RESULT_OK} on success 541 */ 542 protected int dispatchNormalMessage(SmsMessageBase sms) { 543 SmsHeader smsHeader = sms.getUserDataHeader(); 544 545 // See if message is partial or port addressed. 546 if ((smsHeader == null) || (smsHeader.concatRef == null)) { 547 // Message is not partial (not part of concatenated sequence). 548 byte[][] pdus = new byte[1][]; 549 pdus[0] = sms.getPdu(); 550 551 if (smsHeader != null && smsHeader.portAddrs != null) { 552 if (smsHeader.portAddrs.destPort == SmsHeader.PORT_WAP_PUSH) { 553 // GSM-style WAP indication 554 return mWapPush.dispatchWapPdu(sms.getUserData()); 555 } else { 556 // The message was sent to a port, so concoct a URI for it. 557 dispatchPortAddressedPdus(pdus, smsHeader.portAddrs.destPort); 558 } 559 } else { 560 // Normal short and non-port-addressed message, dispatch it. 561 dispatchPdus(pdus); 562 } 563 return Activity.RESULT_OK; 564 } else { 565 // Process the message part. 566 SmsHeader.ConcatRef concatRef = smsHeader.concatRef; 567 SmsHeader.PortAddrs portAddrs = smsHeader.portAddrs; 568 return processMessagePart(sms.getPdu(), sms.getOriginatingAddress(), 569 concatRef.refNumber, concatRef.seqNumber, concatRef.msgCount, 570 sms.getTimestampMillis(), (portAddrs != null ? portAddrs.destPort : -1), false); 571 } 572 } 573 574 /** 575 * If this is the last part send the parts out to the application, otherwise 576 * the part is stored for later processing. Handles both 3GPP concatenated messages 577 * as well as 3GPP2 format WAP push messages processed by 578 * com.android.internal.telephony.cdma.CdmaSMSDispatcher#processCdmaWapPdu. 579 * 580 * @param pdu the message PDU, or the datagram portion of a CDMA WDP datagram segment 581 * @param address the originating address 582 * @param referenceNumber distinguishes concatenated messages from the same sender 583 * @param sequenceNumber the order of this segment in the message 584 * (starting at 0 for CDMA WDP datagrams and 1 for concatenated messages). 585 * @param messageCount the number of segments in the message 586 * @param timestamp the service center timestamp in millis 587 * @param destPort the destination port for the message, or -1 for no destination port 588 * @param isCdmaWapPush true if pdu is a CDMA WDP datagram segment and not an SM PDU 589 * 590 * @return a result code from {@link android.provider.Telephony.Sms.Intents}, or 591 * {@link Activity#RESULT_OK} if the message has been broadcast 592 * to applications 593 */ 594 protected int processMessagePart(byte[] pdu, String address, int referenceNumber, 595 int sequenceNumber, int messageCount, long timestamp, int destPort, 596 boolean isCdmaWapPush) { 597 byte[][] pdus = null; 598 Cursor cursor = null; 599 try { 600 // used by several query selection arguments 601 String refNumber = Integer.toString(referenceNumber); 602 String seqNumber = Integer.toString(sequenceNumber); 603 604 // Check for duplicate message segment 605 cursor = mResolver.query(mRawUri, PDU_PROJECTION, 606 "address=? AND reference_number=? AND sequence=?", 607 new String[] {address, refNumber, seqNumber}, null); 608 609 // moveToNext() returns false if no duplicates were found 610 if (cursor.moveToNext()) { 611 Rlog.w(TAG, "Discarding duplicate message segment from address=" + address 612 + " refNumber=" + refNumber + " seqNumber=" + seqNumber); 613 String oldPduString = cursor.getString(PDU_COLUMN); 614 byte[] oldPdu = HexDump.hexStringToByteArray(oldPduString); 615 if (!Arrays.equals(oldPdu, pdu)) { 616 Rlog.e(TAG, "Warning: dup message segment PDU of length " + pdu.length 617 + " is different from existing PDU of length " + oldPdu.length); 618 } 619 return Intents.RESULT_SMS_HANDLED; 620 } 621 cursor.close(); 622 623 // not a dup, query for all other segments of this concatenated message 624 String where = "address=? AND reference_number=?"; 625 String[] whereArgs = new String[] {address, refNumber}; 626 cursor = mResolver.query(mRawUri, PDU_SEQUENCE_PORT_PROJECTION, where, whereArgs, null); 627 628 int cursorCount = cursor.getCount(); 629 if (cursorCount != messageCount - 1) { 630 // We don't have all the parts yet, store this one away 631 ContentValues values = new ContentValues(); 632 values.put("date", timestamp); 633 values.put("pdu", HexDump.toHexString(pdu)); 634 values.put("address", address); 635 values.put("reference_number", referenceNumber); 636 values.put("count", messageCount); 637 values.put("sequence", sequenceNumber); 638 if (destPort != -1) { 639 values.put("destination_port", destPort); 640 } 641 mResolver.insert(mRawUri, values); 642 return Intents.RESULT_SMS_HANDLED; 643 } 644 645 // All the parts are in place, deal with them 646 pdus = new byte[messageCount][]; 647 for (int i = 0; i < cursorCount; i++) { 648 cursor.moveToNext(); 649 int cursorSequence = cursor.getInt(SEQUENCE_COLUMN); 650 // GSM sequence numbers start at 1; CDMA WDP datagram sequence numbers start at 0 651 if (!isCdmaWapPush) { 652 cursorSequence--; 653 } 654 pdus[cursorSequence] = HexDump.hexStringToByteArray( 655 cursor.getString(PDU_COLUMN)); 656 657 // Read the destination port from the first segment (needed for CDMA WAP PDU). 658 // It's not a bad idea to prefer the port from the first segment for 3GPP as well. 659 if (cursorSequence == 0 && !cursor.isNull(DESTINATION_PORT_COLUMN)) { 660 destPort = cursor.getInt(DESTINATION_PORT_COLUMN); 661 } 662 } 663 // This one isn't in the DB, so add it 664 // GSM sequence numbers start at 1; CDMA WDP datagram sequence numbers start at 0 665 if (isCdmaWapPush) { 666 pdus[sequenceNumber] = pdu; 667 } else { 668 pdus[sequenceNumber - 1] = pdu; 669 } 670 671 // Remove the parts from the database 672 mResolver.delete(mRawUri, where, whereArgs); 673 } catch (SQLException e) { 674 Rlog.e(TAG, "Can't access multipart SMS database", e); 675 return Intents.RESULT_SMS_GENERIC_ERROR; 676 } finally { 677 if (cursor != null) cursor.close(); 678 } 679 680 // Special handling for CDMA WDP datagrams 681 if (isCdmaWapPush) { 682 // Build up the data stream 683 ByteArrayOutputStream output = new ByteArrayOutputStream(); 684 for (int i = 0; i < messageCount; i++) { 685 // reassemble the (WSP-)pdu 686 output.write(pdus[i], 0, pdus[i].length); 687 } 688 byte[] datagram = output.toByteArray(); 689 690 // Dispatch the PDU to applications 691 if (destPort == SmsHeader.PORT_WAP_PUSH) { 692 // Handle the PUSH 693 return mWapPush.dispatchWapPdu(datagram); 694 } else { 695 pdus = new byte[1][]; 696 pdus[0] = datagram; 697 // The messages were sent to any other WAP port 698 dispatchPortAddressedPdus(pdus, destPort); 699 return Activity.RESULT_OK; 700 } 701 } 702 703 // Dispatch the PDUs to applications 704 if (destPort != -1) { 705 if (destPort == SmsHeader.PORT_WAP_PUSH) { 706 // Build up the data stream 707 ByteArrayOutputStream output = new ByteArrayOutputStream(); 708 for (int i = 0; i < messageCount; i++) { 709 SmsMessage msg = SmsMessage.createFromPdu(pdus[i], getFormat()); 710 byte[] data = msg.getUserData(); 711 output.write(data, 0, data.length); 712 } 713 // Handle the PUSH 714 return mWapPush.dispatchWapPdu(output.toByteArray()); 715 } else { 716 // The messages were sent to a port, so concoct a URI for it 717 dispatchPortAddressedPdus(pdus, destPort); 718 } 719 } else { 720 // The messages were not sent to a port 721 dispatchPdus(pdus); 722 } 723 return Activity.RESULT_OK; 724 } 725 726 /** 727 * Dispatches standard PDUs to interested applications 728 * 729 * @param pdus The raw PDUs making up the message 730 */ 731 protected void dispatchPdus(byte[][] pdus) { 732 Intent intent = new Intent(Intents.SMS_RECEIVED_ACTION); 733 intent.putExtra("pdus", pdus); 734 intent.putExtra("format", getFormat()); 735 dispatch(intent, RECEIVE_SMS_PERMISSION, AppOpsManager.OP_RECEIVE_SMS); 736 } 737 738 /** 739 * Dispatches port addressed PDUs to interested applications 740 * 741 * @param pdus The raw PDUs making up the message 742 * @param port The destination port of the messages 743 */ 744 protected void dispatchPortAddressedPdus(byte[][] pdus, int port) { 745 Uri uri = Uri.parse("sms://localhost:" + port); 746 Intent intent = new Intent(Intents.DATA_SMS_RECEIVED_ACTION, uri); 747 intent.putExtra("pdus", pdus); 748 intent.putExtra("format", getFormat()); 749 dispatch(intent, RECEIVE_SMS_PERMISSION, AppOpsManager.OP_RECEIVE_SMS); 750 } 751 752 /** 753 * Send a data based SMS to a specific application port. 754 * 755 * @param destAddr the address to send the message to 756 * @param scAddr is the service center address or null to use 757 * the current default SMSC 758 * @param destPort the port to deliver the message to 759 * @param data the body of the message to send 760 * @param sentIntent if not NULL this <code>PendingIntent</code> is 761 * broadcast when the message is successfully sent, or failed. 762 * The result code will be <code>Activity.RESULT_OK<code> for success, 763 * or one of these errors:<br> 764 * <code>RESULT_ERROR_GENERIC_FAILURE</code><br> 765 * <code>RESULT_ERROR_RADIO_OFF</code><br> 766 * <code>RESULT_ERROR_NULL_PDU</code><br> 767 * <code>RESULT_ERROR_NO_SERVICE</code><br>. 768 * For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include 769 * the extra "errorCode" containing a radio technology specific value, 770 * generally only useful for troubleshooting.<br> 771 * The per-application based SMS control checks sentIntent. If sentIntent 772 * is NULL the caller will be checked against all unknown applications, 773 * which cause smaller number of SMS to be sent in checking period. 774 * @param deliveryIntent if not NULL this <code>PendingIntent</code> is 775 * broadcast when the message is delivered to the recipient. The 776 * raw pdu of the status report is in the extended data ("pdu"). 777 */ 778 protected abstract void sendData(String destAddr, String scAddr, int destPort, 779 byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent); 780 781 /** 782 * Send a text based SMS. 783 * 784 * @param destAddr the address to send the message to 785 * @param scAddr is the service center address or null to use 786 * the current default SMSC 787 * @param text the body of the message to send 788 * @param sentIntent if not NULL this <code>PendingIntent</code> is 789 * broadcast when the message is successfully sent, or failed. 790 * The result code will be <code>Activity.RESULT_OK<code> for success, 791 * or one of these errors:<br> 792 * <code>RESULT_ERROR_GENERIC_FAILURE</code><br> 793 * <code>RESULT_ERROR_RADIO_OFF</code><br> 794 * <code>RESULT_ERROR_NULL_PDU</code><br> 795 * <code>RESULT_ERROR_NO_SERVICE</code><br>. 796 * For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include 797 * the extra "errorCode" containing a radio technology specific value, 798 * generally only useful for troubleshooting.<br> 799 * The per-application based SMS control checks sentIntent. If sentIntent 800 * is NULL the caller will be checked against all unknown applications, 801 * which cause smaller number of SMS to be sent in checking period. 802 * @param deliveryIntent if not NULL this <code>PendingIntent</code> is 803 * broadcast when the message is delivered to the recipient. The 804 * raw pdu of the status report is in the extended data ("pdu"). 805 */ 806 protected abstract void sendText(String destAddr, String scAddr, 807 String text, PendingIntent sentIntent, PendingIntent deliveryIntent); 808 809 /** 810 * Calculate the number of septets needed to encode the message. 811 * 812 * @param messageBody the message to encode 813 * @param use7bitOnly ignore (but still count) illegal characters if true 814 * @return TextEncodingDetails 815 */ 816 protected abstract TextEncodingDetails calculateLength(CharSequence messageBody, 817 boolean use7bitOnly); 818 819 /** 820 * Send a multi-part text based SMS. 821 * 822 * @param destAddr the address to send the message to 823 * @param scAddr is the service center address or null to use 824 * the current default SMSC 825 * @param parts an <code>ArrayList</code> of strings that, in order, 826 * comprise the original message 827 * @param sentIntents if not null, an <code>ArrayList</code> of 828 * <code>PendingIntent</code>s (one for each message part) that is 829 * broadcast when the corresponding message part has been sent. 830 * The result code will be <code>Activity.RESULT_OK<code> for success, 831 * or one of these errors: 832 * <code>RESULT_ERROR_GENERIC_FAILURE</code> 833 * <code>RESULT_ERROR_RADIO_OFF</code> 834 * <code>RESULT_ERROR_NULL_PDU</code> 835 * <code>RESULT_ERROR_NO_SERVICE</code>. 836 * The per-application based SMS control checks sentIntent. If sentIntent 837 * is NULL the caller will be checked against all unknown applications, 838 * which cause smaller number of SMS to be sent in checking period. 839 * @param deliveryIntents if not null, an <code>ArrayList</code> of 840 * <code>PendingIntent</code>s (one for each message part) that is 841 * broadcast when the corresponding message part has been delivered 842 * to the recipient. The raw pdu of the status report is in the 843 * extended data ("pdu"). 844 */ 845 protected void sendMultipartText(String destAddr, String scAddr, 846 ArrayList<String> parts, ArrayList<PendingIntent> sentIntents, 847 ArrayList<PendingIntent> deliveryIntents) { 848 849 int refNumber = getNextConcatenatedRef() & 0x00FF; 850 int msgCount = parts.size(); 851 int encoding = SmsConstants.ENCODING_UNKNOWN; 852 853 mRemainingMessages = msgCount; 854 855 TextEncodingDetails[] encodingForParts = new TextEncodingDetails[msgCount]; 856 for (int i = 0; i < msgCount; i++) { 857 TextEncodingDetails details = calculateLength(parts.get(i), false); 858 if (encoding != details.codeUnitSize 859 && (encoding == SmsConstants.ENCODING_UNKNOWN 860 || encoding == SmsConstants.ENCODING_7BIT)) { 861 encoding = details.codeUnitSize; 862 } 863 encodingForParts[i] = details; 864 } 865 866 for (int i = 0; i < msgCount; i++) { 867 SmsHeader.ConcatRef concatRef = new SmsHeader.ConcatRef(); 868 concatRef.refNumber = refNumber; 869 concatRef.seqNumber = i + 1; // 1-based sequence 870 concatRef.msgCount = msgCount; 871 // TODO: We currently set this to true since our messaging app will never 872 // send more than 255 parts (it converts the message to MMS well before that). 873 // However, we should support 3rd party messaging apps that might need 16-bit 874 // references 875 // Note: It's not sufficient to just flip this bit to true; it will have 876 // ripple effects (several calculations assume 8-bit ref). 877 concatRef.isEightBits = true; 878 SmsHeader smsHeader = new SmsHeader(); 879 smsHeader.concatRef = concatRef; 880 881 // Set the national language tables for 3GPP 7-bit encoding, if enabled. 882 if (encoding == SmsConstants.ENCODING_7BIT) { 883 smsHeader.languageTable = encodingForParts[i].languageTable; 884 smsHeader.languageShiftTable = encodingForParts[i].languageShiftTable; 885 } 886 887 PendingIntent sentIntent = null; 888 if (sentIntents != null && sentIntents.size() > i) { 889 sentIntent = sentIntents.get(i); 890 } 891 892 PendingIntent deliveryIntent = null; 893 if (deliveryIntents != null && deliveryIntents.size() > i) { 894 deliveryIntent = deliveryIntents.get(i); 895 } 896 897 sendNewSubmitPdu(destAddr, scAddr, parts.get(i), smsHeader, encoding, 898 sentIntent, deliveryIntent, (i == (msgCount - 1))); 899 } 900 901 } 902 903 /** 904 * Create a new SubmitPdu and send it. 905 */ 906 protected abstract void sendNewSubmitPdu(String destinationAddress, String scAddress, 907 String message, SmsHeader smsHeader, int encoding, 908 PendingIntent sentIntent, PendingIntent deliveryIntent, boolean lastPart); 909 910 /** 911 * Send a SMS 912 * 913 * @param smsc the SMSC to send the message through, or NULL for the 914 * default SMSC 915 * @param pdu the raw PDU to send 916 * @param sentIntent if not NULL this <code>Intent</code> is 917 * broadcast when the message is successfully sent, or failed. 918 * The result code will be <code>Activity.RESULT_OK<code> for success, 919 * or one of these errors: 920 * <code>RESULT_ERROR_GENERIC_FAILURE</code> 921 * <code>RESULT_ERROR_RADIO_OFF</code> 922 * <code>RESULT_ERROR_NULL_PDU</code> 923 * <code>RESULT_ERROR_NO_SERVICE</code>. 924 * The per-application based SMS control checks sentIntent. If sentIntent 925 * is NULL the caller will be checked against all unknown applications, 926 * which cause smaller number of SMS to be sent in checking period. 927 * @param deliveryIntent if not NULL this <code>Intent</code> is 928 * broadcast when the message is delivered to the recipient. The 929 * raw pdu of the status report is in the extended data ("pdu"). 930 * @param destAddr the destination phone number (for short code confirmation) 931 */ 932 protected void sendRawPdu(byte[] smsc, byte[] pdu, PendingIntent sentIntent, 933 PendingIntent deliveryIntent, String destAddr) { 934 if (mSmsSendDisabled) { 935 if (sentIntent != null) { 936 try { 937 sentIntent.send(RESULT_ERROR_NO_SERVICE); 938 } catch (CanceledException ex) {} 939 } 940 Rlog.d(TAG, "Device does not support sending sms."); 941 return; 942 } 943 944 if (pdu == null) { 945 if (sentIntent != null) { 946 try { 947 sentIntent.send(RESULT_ERROR_NULL_PDU); 948 } catch (CanceledException ex) {} 949 } 950 return; 951 } 952 953 HashMap<String, Object> map = new HashMap<String, Object>(); 954 map.put("smsc", smsc); 955 map.put("pdu", pdu); 956 957 // Get calling app package name via UID from Binder call 958 PackageManager pm = mContext.getPackageManager(); 959 String[] packageNames = pm.getPackagesForUid(Binder.getCallingUid()); 960 961 if (packageNames == null || packageNames.length == 0) { 962 // Refuse to send SMS if we can't get the calling package name. 963 Rlog.e(TAG, "Can't get calling app package name: refusing to send SMS"); 964 if (sentIntent != null) { 965 try { 966 sentIntent.send(RESULT_ERROR_GENERIC_FAILURE); 967 } catch (CanceledException ex) { 968 Rlog.e(TAG, "failed to send error result"); 969 } 970 } 971 return; 972 } 973 974 // Get package info via packagemanager 975 PackageInfo appInfo = null; 976 try { 977 // XXX this is lossy- apps can share a UID 978 appInfo = pm.getPackageInfo(packageNames[0], PackageManager.GET_SIGNATURES); 979 } catch (PackageManager.NameNotFoundException e) { 980 Rlog.e(TAG, "Can't get calling app package info: refusing to send SMS"); 981 if (sentIntent != null) { 982 try { 983 sentIntent.send(RESULT_ERROR_GENERIC_FAILURE); 984 } catch (CanceledException ex) { 985 Rlog.e(TAG, "failed to send error result"); 986 } 987 } 988 return; 989 } 990 991 // Strip non-digits from destination phone number before checking for short codes 992 // and before displaying the number to the user if confirmation is required. 993 SmsTracker tracker = new SmsTracker(map, sentIntent, deliveryIntent, appInfo, 994 PhoneNumberUtils.extractNetworkPortion(destAddr)); 995 996 // checkDestination() returns true if the destination is not a premium short code or the 997 // sending app is approved to send to short codes. Otherwise, a message is sent to our 998 // handler with the SmsTracker to request user confirmation before sending. 999 if (checkDestination(tracker)) { 1000 // check for excessive outgoing SMS usage by this app 1001 if (!mUsageMonitor.check(appInfo.packageName, SINGLE_PART_SMS)) { 1002 sendMessage(obtainMessage(EVENT_SEND_LIMIT_REACHED_CONFIRMATION, tracker)); 1003 return; 1004 } 1005 1006 int ss = mPhone.getServiceState().getState(); 1007 1008 if (ss != ServiceState.STATE_IN_SERVICE) { 1009 handleNotInService(ss, tracker.mSentIntent); 1010 } else { 1011 sendSms(tracker); 1012 } 1013 } 1014 } 1015 1016 /** 1017 * Check if destination is a potential premium short code and sender is not pre-approved to 1018 * send to short codes. 1019 * 1020 * @param tracker the tracker for the SMS to send 1021 * @return true if the destination is approved; false if user confirmation event was sent 1022 */ 1023 boolean checkDestination(SmsTracker tracker) { 1024 if (mContext.checkCallingOrSelfPermission(SEND_SMS_NO_CONFIRMATION_PERMISSION) 1025 == PackageManager.PERMISSION_GRANTED) { 1026 return true; // app is pre-approved to send to short codes 1027 } else { 1028 int rule = mPremiumSmsRule.get(); 1029 int smsCategory = SmsUsageMonitor.CATEGORY_NOT_SHORT_CODE; 1030 if (rule == PREMIUM_RULE_USE_SIM || rule == PREMIUM_RULE_USE_BOTH) { 1031 String simCountryIso = mTelephonyManager.getSimCountryIso(); 1032 if (simCountryIso == null || simCountryIso.length() != 2) { 1033 Rlog.e(TAG, "Can't get SIM country Iso: trying network country Iso"); 1034 simCountryIso = mTelephonyManager.getNetworkCountryIso(); 1035 } 1036 1037 smsCategory = mUsageMonitor.checkDestination(tracker.mDestAddress, simCountryIso); 1038 } 1039 if (rule == PREMIUM_RULE_USE_NETWORK || rule == PREMIUM_RULE_USE_BOTH) { 1040 String networkCountryIso = mTelephonyManager.getNetworkCountryIso(); 1041 if (networkCountryIso == null || networkCountryIso.length() != 2) { 1042 Rlog.e(TAG, "Can't get Network country Iso: trying SIM country Iso"); 1043 networkCountryIso = mTelephonyManager.getSimCountryIso(); 1044 } 1045 1046 smsCategory = SmsUsageMonitor.mergeShortCodeCategories(smsCategory, 1047 mUsageMonitor.checkDestination(tracker.mDestAddress, networkCountryIso)); 1048 } 1049 1050 if (smsCategory == SmsUsageMonitor.CATEGORY_NOT_SHORT_CODE 1051 || smsCategory == SmsUsageMonitor.CATEGORY_FREE_SHORT_CODE 1052 || smsCategory == SmsUsageMonitor.CATEGORY_STANDARD_SHORT_CODE) { 1053 return true; // not a premium short code 1054 } 1055 1056 // Wait for user confirmation unless the user has set permission to always allow/deny 1057 int premiumSmsPermission = mUsageMonitor.getPremiumSmsPermission( 1058 tracker.mAppInfo.packageName); 1059 if (premiumSmsPermission == SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN) { 1060 // First time trying to send to premium SMS. 1061 premiumSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER; 1062 } 1063 1064 switch (premiumSmsPermission) { 1065 case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW: 1066 Rlog.d(TAG, "User approved this app to send to premium SMS"); 1067 return true; 1068 1069 case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW: 1070 Rlog.w(TAG, "User denied this app from sending to premium SMS"); 1071 sendMessage(obtainMessage(EVENT_STOP_SENDING, tracker)); 1072 return false; // reject this message 1073 1074 case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER: 1075 default: 1076 int event; 1077 if (smsCategory == SmsUsageMonitor.CATEGORY_POSSIBLE_PREMIUM_SHORT_CODE) { 1078 event = EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE; 1079 } else { 1080 event = EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE; 1081 } 1082 sendMessage(obtainMessage(event, tracker)); 1083 return false; // wait for user confirmation 1084 } 1085 } 1086 } 1087 1088 /** 1089 * Deny sending an SMS if the outgoing queue limit is reached. Used when the message 1090 * must be confirmed by the user due to excessive usage or potential premium SMS detected. 1091 * @param tracker the SmsTracker for the message to send 1092 * @return true if the message was denied; false to continue with send confirmation 1093 */ 1094 private boolean denyIfQueueLimitReached(SmsTracker tracker) { 1095 if (mPendingTrackerCount >= MO_MSG_QUEUE_LIMIT) { 1096 // Deny sending message when the queue limit is reached. 1097 try { 1098 if (tracker.mSentIntent != null) { 1099 tracker.mSentIntent.send(RESULT_ERROR_LIMIT_EXCEEDED); 1100 } 1101 } catch (CanceledException ex) { 1102 Rlog.e(TAG, "failed to send back RESULT_ERROR_LIMIT_EXCEEDED"); 1103 } 1104 return true; 1105 } 1106 mPendingTrackerCount++; 1107 return false; 1108 } 1109 1110 /** 1111 * Returns the label for the specified app package name. 1112 * @param appPackage the package name of the app requesting to send an SMS 1113 * @return the label for the specified app, or the package name if getApplicationInfo() fails 1114 */ 1115 private CharSequence getAppLabel(String appPackage) { 1116 PackageManager pm = mContext.getPackageManager(); 1117 try { 1118 ApplicationInfo appInfo = pm.getApplicationInfo(appPackage, 0); 1119 return appInfo.loadLabel(pm); 1120 } catch (PackageManager.NameNotFoundException e) { 1121 Rlog.e(TAG, "PackageManager Name Not Found for package " + appPackage); 1122 return appPackage; // fall back to package name if we can't get app label 1123 } 1124 } 1125 1126 /** 1127 * Post an alert when SMS needs confirmation due to excessive usage. 1128 * @param tracker an SmsTracker for the current message. 1129 */ 1130 protected void handleReachSentLimit(SmsTracker tracker) { 1131 if (denyIfQueueLimitReached(tracker)) { 1132 return; // queue limit reached; error was returned to caller 1133 } 1134 1135 CharSequence appLabel = getAppLabel(tracker.mAppInfo.packageName); 1136 Resources r = Resources.getSystem(); 1137 Spanned messageText = Html.fromHtml(r.getString(R.string.sms_control_message, appLabel)); 1138 1139 ConfirmDialogListener listener = new ConfirmDialogListener(tracker, null); 1140 1141 AlertDialog d = new AlertDialog.Builder(mContext) 1142 .setTitle(R.string.sms_control_title) 1143 .setIcon(R.drawable.stat_sys_warning) 1144 .setMessage(messageText) 1145 .setPositiveButton(r.getString(R.string.sms_control_yes), listener) 1146 .setNegativeButton(r.getString(R.string.sms_control_no), listener) 1147 .setOnCancelListener(listener) 1148 .create(); 1149 1150 d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); 1151 d.show(); 1152 } 1153 1154 /** 1155 * Post an alert for user confirmation when sending to a potential short code. 1156 * @param isPremium true if the destination is known to be a premium short code 1157 * @param tracker the SmsTracker for the current message. 1158 */ 1159 protected void handleConfirmShortCode(boolean isPremium, SmsTracker tracker) { 1160 if (denyIfQueueLimitReached(tracker)) { 1161 return; // queue limit reached; error was returned to caller 1162 } 1163 1164 int detailsId; 1165 if (isPremium) { 1166 detailsId = R.string.sms_premium_short_code_details; 1167 } else { 1168 detailsId = R.string.sms_short_code_details; 1169 } 1170 1171 CharSequence appLabel = getAppLabel(tracker.mAppInfo.packageName); 1172 Resources r = Resources.getSystem(); 1173 Spanned messageText = Html.fromHtml(r.getString(R.string.sms_short_code_confirm_message, 1174 appLabel, tracker.mDestAddress)); 1175 1176 LayoutInflater inflater = (LayoutInflater) mContext.getSystemService( 1177 Context.LAYOUT_INFLATER_SERVICE); 1178 View layout = inflater.inflate(R.layout.sms_short_code_confirmation_dialog, null); 1179 1180 ConfirmDialogListener listener = new ConfirmDialogListener(tracker, 1181 (TextView)layout.findViewById(R.id.sms_short_code_remember_undo_instruction)); 1182 1183 1184 TextView messageView = (TextView) layout.findViewById(R.id.sms_short_code_confirm_message); 1185 messageView.setText(messageText); 1186 1187 ViewGroup detailsLayout = (ViewGroup) layout.findViewById( 1188 R.id.sms_short_code_detail_layout); 1189 TextView detailsView = (TextView) detailsLayout.findViewById( 1190 R.id.sms_short_code_detail_message); 1191 detailsView.setText(detailsId); 1192 1193 CheckBox rememberChoice = (CheckBox) layout.findViewById( 1194 R.id.sms_short_code_remember_choice_checkbox); 1195 rememberChoice.setOnCheckedChangeListener(listener); 1196 1197 AlertDialog d = new AlertDialog.Builder(mContext) 1198 .setView(layout) 1199 .setPositiveButton(r.getString(R.string.sms_short_code_confirm_allow), listener) 1200 .setNegativeButton(r.getString(R.string.sms_short_code_confirm_deny), listener) 1201 .setOnCancelListener(listener) 1202 .create(); 1203 1204 d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); 1205 d.show(); 1206 1207 listener.setPositiveButton(d.getButton(DialogInterface.BUTTON_POSITIVE)); 1208 listener.setNegativeButton(d.getButton(DialogInterface.BUTTON_NEGATIVE)); 1209 } 1210 1211 /** 1212 * Returns the premium SMS permission for the specified package. If the package has never 1213 * been seen before, the default {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ASK_USER} 1214 * will be returned. 1215 * @param packageName the name of the package to query permission 1216 * @return one of {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_UNKNOWN}, 1217 * {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ASK_USER}, 1218 * {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_NEVER_ALLOW}, or 1219 * {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW} 1220 */ 1221 public int getPremiumSmsPermission(String packageName) { 1222 return mUsageMonitor.getPremiumSmsPermission(packageName); 1223 } 1224 1225 /** 1226 * Sets the premium SMS permission for the specified package and save the value asynchronously 1227 * to persistent storage. 1228 * @param packageName the name of the package to set permission 1229 * @param permission one of {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ASK_USER}, 1230 * {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_NEVER_ALLOW}, or 1231 * {@link SmsUsageMonitor#PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW} 1232 */ 1233 public void setPremiumSmsPermission(String packageName, int permission) { 1234 mUsageMonitor.setPremiumSmsPermission(packageName, permission); 1235 } 1236 1237 /** 1238 * Send the message along to the radio. 1239 * 1240 * @param tracker holds the SMS message to send 1241 */ 1242 protected abstract void sendSms(SmsTracker tracker); 1243 1244 /** 1245 * Send the multi-part SMS based on multipart Sms tracker 1246 * 1247 * @param tracker holds the multipart Sms tracker ready to be sent 1248 */ 1249 private void sendMultipartSms(SmsTracker tracker) { 1250 ArrayList<String> parts; 1251 ArrayList<PendingIntent> sentIntents; 1252 ArrayList<PendingIntent> deliveryIntents; 1253 1254 HashMap<String, Object> map = tracker.mData; 1255 1256 String destinationAddress = (String) map.get("destination"); 1257 String scAddress = (String) map.get("scaddress"); 1258 1259 parts = (ArrayList<String>) map.get("parts"); 1260 sentIntents = (ArrayList<PendingIntent>) map.get("sentIntents"); 1261 deliveryIntents = (ArrayList<PendingIntent>) map.get("deliveryIntents"); 1262 1263 // check if in service 1264 int ss = mPhone.getServiceState().getState(); 1265 if (ss != ServiceState.STATE_IN_SERVICE) { 1266 for (int i = 0, count = parts.size(); i < count; i++) { 1267 PendingIntent sentIntent = null; 1268 if (sentIntents != null && sentIntents.size() > i) { 1269 sentIntent = sentIntents.get(i); 1270 } 1271 handleNotInService(ss, sentIntent); 1272 } 1273 return; 1274 } 1275 1276 sendMultipartText(destinationAddress, scAddress, parts, sentIntents, deliveryIntents); 1277 } 1278 1279 /** 1280 * Send an acknowledge message. 1281 * @param success indicates that last message was successfully received. 1282 * @param result result code indicating any error 1283 * @param response callback message sent when operation completes. 1284 */ 1285 protected abstract void acknowledgeLastIncomingSms(boolean success, 1286 int result, Message response); 1287 1288 /** 1289 * Notify interested apps if the framework has rejected an incoming SMS, 1290 * and send an acknowledge message to the network. 1291 * @param success indicates that last message was successfully received. 1292 * @param result result code indicating any error 1293 * @param response callback message sent when operation completes. 1294 */ 1295 private void notifyAndAcknowledgeLastIncomingSms(boolean success, 1296 int result, Message response) { 1297 if (!success) { 1298 // broadcast SMS_REJECTED_ACTION intent 1299 Intent intent = new Intent(Intents.SMS_REJECTED_ACTION); 1300 intent.putExtra("result", result); 1301 mWakeLock.acquire(WAKE_LOCK_TIMEOUT); 1302 mContext.sendBroadcast(intent, Manifest.permission.RECEIVE_SMS); 1303 } 1304 acknowledgeLastIncomingSms(success, result, response); 1305 } 1306 1307 /** 1308 * Keeps track of an SMS that has been sent to the RIL, until it has 1309 * successfully been sent, or we're done trying. 1310 * 1311 */ 1312 protected static final class SmsTracker { 1313 // fields need to be public for derived SmsDispatchers 1314 public final HashMap<String, Object> mData; 1315 public int mRetryCount; 1316 public int mMessageRef; 1317 1318 public final PendingIntent mSentIntent; 1319 public final PendingIntent mDeliveryIntent; 1320 1321 public final PackageInfo mAppInfo; 1322 public final String mDestAddress; 1323 1324 public SmsTracker(HashMap<String, Object> data, PendingIntent sentIntent, 1325 PendingIntent deliveryIntent, PackageInfo appInfo, String destAddr) { 1326 mData = data; 1327 mSentIntent = sentIntent; 1328 mDeliveryIntent = deliveryIntent; 1329 mRetryCount = 0; 1330 mAppInfo = appInfo; 1331 mDestAddress = destAddr; 1332 } 1333 1334 /** 1335 * Returns whether this tracker holds a multi-part SMS. 1336 * @return true if the tracker holds a multi-part SMS; false otherwise 1337 */ 1338 protected boolean isMultipart() { 1339 HashMap<String, Object> map = mData; 1340 return map.containsKey("parts"); 1341 } 1342 } 1343 1344 /** 1345 * Dialog listener for SMS confirmation dialog. 1346 */ 1347 private final class ConfirmDialogListener 1348 implements DialogInterface.OnClickListener, DialogInterface.OnCancelListener, 1349 CompoundButton.OnCheckedChangeListener { 1350 1351 private final SmsTracker mTracker; 1352 private Button mPositiveButton; 1353 private Button mNegativeButton; 1354 private boolean mRememberChoice; // default is unchecked 1355 private final TextView mRememberUndoInstruction; 1356 1357 ConfirmDialogListener(SmsTracker tracker, TextView textView) { 1358 mTracker = tracker; 1359 mRememberUndoInstruction = textView; 1360 } 1361 1362 void setPositiveButton(Button button) { 1363 mPositiveButton = button; 1364 } 1365 1366 void setNegativeButton(Button button) { 1367 mNegativeButton = button; 1368 } 1369 1370 @Override 1371 public void onClick(DialogInterface dialog, int which) { 1372 // Always set the SMS permission so that Settings will show a permission setting 1373 // for the app (it won't be shown until after the app tries to send to a short code). 1374 int newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER; 1375 1376 if (which == DialogInterface.BUTTON_POSITIVE) { 1377 Rlog.d(TAG, "CONFIRM sending SMS"); 1378 // XXX this is lossy- apps can have more than one signature 1379 EventLog.writeEvent(EventLogTags.SMS_SENT_BY_USER, 1380 mTracker.mAppInfo.signatures[0].toCharsString()); 1381 sendMessage(obtainMessage(EVENT_SEND_CONFIRMED_SMS, mTracker)); 1382 if (mRememberChoice) { 1383 newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW; 1384 } 1385 } else if (which == DialogInterface.BUTTON_NEGATIVE) { 1386 Rlog.d(TAG, "DENY sending SMS"); 1387 // XXX this is lossy- apps can have more than one signature 1388 EventLog.writeEvent(EventLogTags.SMS_DENIED_BY_USER, 1389 mTracker.mAppInfo.signatures[0].toCharsString()); 1390 sendMessage(obtainMessage(EVENT_STOP_SENDING, mTracker)); 1391 if (mRememberChoice) { 1392 newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW; 1393 } 1394 } 1395 setPremiumSmsPermission(mTracker.mAppInfo.packageName, newSmsPermission); 1396 } 1397 1398 @Override 1399 public void onCancel(DialogInterface dialog) { 1400 Rlog.d(TAG, "dialog dismissed: don't send SMS"); 1401 sendMessage(obtainMessage(EVENT_STOP_SENDING, mTracker)); 1402 } 1403 1404 @Override 1405 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 1406 Rlog.d(TAG, "remember this choice: " + isChecked); 1407 mRememberChoice = isChecked; 1408 if (isChecked) { 1409 mPositiveButton.setText(R.string.sms_short_code_confirm_always_allow); 1410 mNegativeButton.setText(R.string.sms_short_code_confirm_never_allow); 1411 if (mRememberUndoInstruction != null) { 1412 mRememberUndoInstruction. 1413 setText(R.string.sms_short_code_remember_undo_instruction); 1414 mRememberUndoInstruction.setPadding(0,0,0,32); 1415 } 1416 } else { 1417 mPositiveButton.setText(R.string.sms_short_code_confirm_allow); 1418 mNegativeButton.setText(R.string.sms_short_code_confirm_deny); 1419 if (mRememberUndoInstruction != null) { 1420 mRememberUndoInstruction.setText(""); 1421 mRememberUndoInstruction.setPadding(0,0,0,0); 1422 } 1423 } 1424 } 1425 } 1426 1427 private final BroadcastReceiver mResultReceiver = new BroadcastReceiver() { 1428 @Override 1429 public void onReceive(Context context, Intent intent) { 1430 if (intent.getAction().equals(Intents.SMS_CB_RECEIVED_ACTION) || 1431 intent.getAction().equals(Intents.SMS_EMERGENCY_CB_RECEIVED_ACTION)) { 1432 // Ignore this intent. Apps will process it. 1433 } else { 1434 // Assume the intent is one of the SMS receive intents that 1435 // was sent as an ordered broadcast. Check result and ACK. 1436 int rc = getResultCode(); 1437 boolean success = (rc == Activity.RESULT_OK) 1438 || (rc == Intents.RESULT_SMS_HANDLED); 1439 1440 // For a multi-part message, this only ACKs the last part. 1441 // Previous parts were ACK'd as they were received. 1442 acknowledgeLastIncomingSms(success, rc, null); 1443 } 1444 } 1445 }; 1446 1447 protected void dispatchBroadcastMessage(SmsCbMessage message) { 1448 if (message.isEmergencyMessage()) { 1449 Intent intent = new Intent(Intents.SMS_EMERGENCY_CB_RECEIVED_ACTION); 1450 intent.putExtra("message", message); 1451 Rlog.d(TAG, "Dispatching emergency SMS CB"); 1452 dispatch(intent, RECEIVE_EMERGENCY_BROADCAST_PERMISSION, 1453 AppOpsManager.OP_RECEIVE_EMERGECY_SMS); 1454 } else { 1455 Intent intent = new Intent(Intents.SMS_CB_RECEIVED_ACTION); 1456 intent.putExtra("message", message); 1457 Rlog.d(TAG, "Dispatching SMS CB"); 1458 dispatch(intent, RECEIVE_SMS_PERMISSION, AppOpsManager.OP_RECEIVE_SMS); 1459 } 1460 } 1461} 1462