1 /* 2 * Copyright (C) 2007-2008 Esmertec AG. 3 * Copyright (C) 2007-2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mms.transaction; 19 20 import static android.content.Intent.ACTION_BOOT_COMPLETED; 21 import static android.provider.Telephony.Sms.Intents.SMS_RECEIVED_ACTION; 22 23 import com.android.mms.data.Contact; 24 import com.android.mms.ui.ClassZeroActivity; 25 import com.android.mms.util.Recycler; 26 import com.android.mms.util.SendingProgressTokenManager; 27 import com.google.android.mms.MmsException; 28 import android.database.sqlite.SqliteWrapper; 29 30 import android.app.Activity; 31 import android.app.Service; 32 import android.content.ContentResolver; 33 import android.content.ContentUris; 34 import android.content.ContentValues; 35 import android.content.Context; 36 import android.content.Intent; 37 import android.content.IntentFilter; 38 import android.database.Cursor; 39 import android.net.Uri; 40 import android.os.Handler; 41 import android.os.HandlerThread; 42 import android.os.IBinder; 43 import android.os.Looper; 44 import android.os.Message; 45 import android.os.Process; 46 import android.provider.Telephony.Sms; 47 import android.provider.Telephony.Threads; 48 import android.provider.Telephony.Sms.Inbox; 49 import android.provider.Telephony.Sms.Intents; 50 import android.provider.Telephony.Sms.Outbox; 51 import android.provider.Telephony; 52 import android.telephony.ServiceState; 53 import android.telephony.SmsManager; 54 import android.telephony.SmsMessage; 55 import android.text.TextUtils; 56 import android.util.Log; 57 import android.widget.Toast; 58 59 import com.android.internal.telephony.TelephonyIntents; 60 import com.android.mms.R; 61 import com.android.mms.LogTag; 62 63 /** 64 * This service essentially plays the role of a "worker thread", allowing us to store 65 * incoming messages to the database, update notifications, etc. without blocking the 66 * main thread that SmsReceiver runs on. 67 */ 68 public class SmsReceiverService extends Service { 69 private static final String TAG = "SmsReceiverService"; 70 71 private ServiceHandler mServiceHandler; 72 private Looper mServiceLooper; 73 private boolean mSending; 74 75 public static final String MESSAGE_SENT_ACTION = 76 "com.android.mms.transaction.MESSAGE_SENT"; 77 78 // Indicates next message can be picked up and sent out. 79 public static final String EXTRA_MESSAGE_SENT_SEND_NEXT ="SendNextMsg"; 80 81 public static final String ACTION_SEND_MESSAGE = 82 "com.android.mms.transaction.SEND_MESSAGE"; 83 84 // This must match the column IDs below. 85 private static final String[] SEND_PROJECTION = new String[] { 86 Sms._ID, //0 87 Sms.THREAD_ID, //1 88 Sms.ADDRESS, //2 89 Sms.BODY, //3 90 Sms.STATUS, //4 91 92 }; 93 94 public Handler mToastHandler = new Handler(); 95 96 // This must match SEND_PROJECTION. 97 private static final int SEND_COLUMN_ID = 0; 98 private static final int SEND_COLUMN_THREAD_ID = 1; 99 private static final int SEND_COLUMN_ADDRESS = 2; 100 private static final int SEND_COLUMN_BODY = 3; 101 private static final int SEND_COLUMN_STATUS = 4; 102 103 private int mResultCode; 104 105 @Override 106 public void onCreate() { 107 // Temporarily removed for this duplicate message track down. 108 // if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 109 // Log.v(TAG, "onCreate"); 110 // } 111 112 // Start up the thread running the service. Note that we create a 113 // separate thread because the service normally runs in the process's 114 // main thread, which we don't want to block. 115 HandlerThread thread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND); 116 thread.start(); 117 118 mServiceLooper = thread.getLooper(); 119 mServiceHandler = new ServiceHandler(mServiceLooper); 120 } 121 122 @Override 123 public int onStartCommand(Intent intent, int flags, int startId) { 124 // Temporarily removed for this duplicate message track down. 125 // if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 126 // Log.v(TAG, "onStart: #" + startId + ": " + intent.getExtras()); 127 // } 128 129 mResultCode = intent != null ? intent.getIntExtra("result", 0) : 0; 130 131 Message msg = mServiceHandler.obtainMessage(); 132 msg.arg1 = startId; 133 msg.obj = intent; 134 mServiceHandler.sendMessage(msg); 135 return Service.START_NOT_STICKY; 136 } 137 138 @Override 139 public void onDestroy() { 140 // Temporarily removed for this duplicate message track down. 141 // if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 142 // Log.v(TAG, "onDestroy"); 143 // } 144 mServiceLooper.quit(); 145 } 146 147 @Override 148 public IBinder onBind(Intent intent) { 149 return null; 150 } 151 152 private final class ServiceHandler extends Handler { 153 public ServiceHandler(Looper looper) { 154 super(looper); 155 } 156 157 /** 158 * Handle incoming transaction requests. 159 * The incoming requests are initiated by the MMSC Server or by the MMS Client itself. 160 */ 161 @Override 162 public void handleMessage(Message msg) { 163 int serviceId = msg.arg1; 164 Intent intent = (Intent)msg.obj; 165 if (intent != null) { 166 String action = intent.getAction(); 167 168 int error = intent.getIntExtra("errorCode", 0); 169 170 if (MESSAGE_SENT_ACTION.equals(intent.getAction())) { 171 handleSmsSent(intent, error); 172 } else if (SMS_RECEIVED_ACTION.equals(action)) { 173 handleSmsReceived(intent, error); 174 } else if (ACTION_BOOT_COMPLETED.equals(action)) { 175 handleBootCompleted(); 176 } else if (TelephonyIntents.ACTION_SERVICE_STATE_CHANGED.equals(action)) { 177 handleServiceStateChanged(intent); 178 } else if (ACTION_SEND_MESSAGE.endsWith(action)) { 179 handleSendMessage(); 180 } 181 } 182 // NOTE: We MUST not call stopSelf() directly, since we need to 183 // make sure the wake lock acquired by AlertReceiver is released. 184 SmsReceiver.finishStartingService(SmsReceiverService.this, serviceId); 185 } 186 } 187 188 private void handleServiceStateChanged(Intent intent) { 189 // If service just returned, start sending out the queued messages 190 ServiceState serviceState = ServiceState.newFromBundle(intent.getExtras()); 191 if (serviceState.getState() == ServiceState.STATE_IN_SERVICE) { 192 sendFirstQueuedMessage(); 193 } 194 } 195 196 private void handleSendMessage() { 197 if (!mSending) { 198 sendFirstQueuedMessage(); 199 } 200 } 201 202 public synchronized void sendFirstQueuedMessage() { 203 boolean success = true; 204 // get all the queued messages from the database 205 final Uri uri = Uri.parse("content://sms/queued"); 206 ContentResolver resolver = getContentResolver(); 207 Cursor c = SqliteWrapper.query(this, resolver, uri, 208 SEND_PROJECTION, null, null, "date ASC"); // date ASC so we send out in 209 // same order the user tried 210 // to send messages. 211 if (c != null) { 212 try { 213 if (c.moveToFirst()) { 214 String msgText = c.getString(SEND_COLUMN_BODY); 215 String address = c.getString(SEND_COLUMN_ADDRESS); 216 int threadId = c.getInt(SEND_COLUMN_THREAD_ID); 217 int status = c.getInt(SEND_COLUMN_STATUS); 218 219 int msgId = c.getInt(SEND_COLUMN_ID); 220 Uri msgUri = ContentUris.withAppendedId(Sms.CONTENT_URI, msgId); 221 222 SmsMessageSender sender = new SmsSingleRecipientSender(this, 223 address, msgText, threadId, status == Sms.STATUS_PENDING, 224 msgUri); 225 226 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 227 Log.v(TAG, "sendFirstQueuedMessage " + msgUri + 228 ", address: " + address + 229 ", threadId: " + threadId + 230 ", body: " + msgText); 231 } 232 try { 233 sender.sendMessage(SendingProgressTokenManager.NO_TOKEN);; 234 mSending = true; 235 } catch (MmsException e) { 236 Log.e(TAG, "sendFirstQueuedMessage: failed to send message " + msgUri 237 + ", caught ", e); 238 mSending = false; 239 messageFailedToSend(msgUri, SmsManager.RESULT_ERROR_GENERIC_FAILURE); 240 success = false; 241 } 242 } 243 } finally { 244 c.close(); 245 } 246 } 247 if (success) { 248 // We successfully sent all the messages in the queue. We don't need to 249 // be notified of any service changes any longer. 250 unRegisterForServiceStateChanges(); 251 } 252 } 253 254 private void handleSmsSent(Intent intent, int error) { 255 Uri uri = intent.getData(); 256 mSending = false; 257 boolean sendNextMsg = intent.getBooleanExtra(EXTRA_MESSAGE_SENT_SEND_NEXT, false); 258 259 if (mResultCode == Activity.RESULT_OK) { 260 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 261 Log.v(TAG, "handleSmsSent sending uri: " + uri); 262 } 263 if (!Sms.moveMessageToFolder(this, uri, Sms.MESSAGE_TYPE_SENT, error)) { 264 Log.e(TAG, "handleSmsSent: failed to move message " + uri + " to sent folder"); 265 } 266 if (sendNextMsg) { 267 sendFirstQueuedMessage(); 268 } 269 270 // Update the notification for failed messages since they may be deleted. 271 MessagingNotification.updateSendFailedNotification(this); 272 } else if ((mResultCode == SmsManager.RESULT_ERROR_RADIO_OFF) || 273 (mResultCode == SmsManager.RESULT_ERROR_NO_SERVICE)) { 274 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 275 Log.v(TAG, "handleSmsSent: no service, queuing message w/ uri: " + uri); 276 } 277 // We got an error with no service or no radio. Register for state changes so 278 // when the status of the connection/radio changes, we can try to send the 279 // queued up messages. 280 registerForServiceStateChanges(); 281 // We couldn't send the message, put in the queue to retry later. 282 Sms.moveMessageToFolder(this, uri, Sms.MESSAGE_TYPE_QUEUED, error); 283 mToastHandler.post(new Runnable() { 284 public void run() { 285 Toast.makeText(SmsReceiverService.this, getString(R.string.message_queued), 286 Toast.LENGTH_SHORT).show(); 287 } 288 }); 289 } else if (mResultCode == SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE) { 290 mToastHandler.post(new Runnable() { 291 public void run() { 292 Toast.makeText(SmsReceiverService.this, getString(R.string.fdn_check_failure), 293 Toast.LENGTH_SHORT).show(); 294 } 295 }); 296 } else { 297 messageFailedToSend(uri, error); 298 if (sendNextMsg) { 299 sendFirstQueuedMessage(); 300 } 301 } 302 } 303 304 private void messageFailedToSend(Uri uri, int error) { 305 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 306 Log.v(TAG, "messageFailedToSend msg failed uri: " + uri); 307 } 308 Sms.moveMessageToFolder(this, uri, Sms.MESSAGE_TYPE_FAILED, error); 309 MessagingNotification.notifySendFailed(getApplicationContext(), true); 310 } 311 312 private void handleSmsReceived(Intent intent, int error) { 313 SmsMessage[] msgs = Intents.getMessagesFromIntent(intent); 314 Uri messageUri = insertMessage(this, msgs, error); 315 316 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 317 SmsMessage sms = msgs[0]; 318 Log.v(TAG, "handleSmsReceived" + (sms.isReplace() ? "(replace)" : "") + 319 " messageUri: " + messageUri + 320 ", address: " + sms.getOriginatingAddress() + 321 ", body: " + sms.getMessageBody()); 322 } 323 324 if (messageUri != null) { 325 // Called off of the UI thread so ok to block. 326 MessagingNotification.blockingUpdateNewMessageIndicator(this, true, false); 327 } 328 } 329 330 private void handleBootCompleted() { 331 moveOutboxMessagesToQueuedBox(); 332 sendFirstQueuedMessage(); 333 334 // Called off of the UI thread so ok to block. 335 MessagingNotification.blockingUpdateNewMessageIndicator(this, true, false); 336 } 337 338 private void moveOutboxMessagesToQueuedBox() { 339 ContentValues values = new ContentValues(1); 340 341 values.put(Sms.TYPE, Sms.MESSAGE_TYPE_QUEUED); 342 343 SqliteWrapper.update( 344 getApplicationContext(), getContentResolver(), Outbox.CONTENT_URI, 345 values, "type = " + Sms.MESSAGE_TYPE_OUTBOX, null); 346 } 347 348 public static final String CLASS_ZERO_BODY_KEY = "CLASS_ZERO_BODY"; 349 350 // This must match the column IDs below. 351 private final static String[] REPLACE_PROJECTION = new String[] { 352 Sms._ID, 353 Sms.ADDRESS, 354 Sms.PROTOCOL 355 }; 356 357 // This must match REPLACE_PROJECTION. 358 private static final int REPLACE_COLUMN_ID = 0; 359 360 /** 361 * If the message is a class-zero message, display it immediately 362 * and return null. Otherwise, store it using the 363 * <code>ContentResolver</code> and return the 364 * <code>Uri</code> of the thread containing this message 365 * so that we can use it for notification. 366 */ 367 private Uri insertMessage(Context context, SmsMessage[] msgs, int error) { 368 // Build the helper classes to parse the messages. 369 SmsMessage sms = msgs[0]; 370 371 if (sms.getMessageClass() == SmsMessage.MessageClass.CLASS_0) { 372 displayClassZeroMessage(context, sms); 373 return null; 374 } else if (sms.isReplace()) { 375 return replaceMessage(context, msgs, error); 376 } else { 377 return storeMessage(context, msgs, error); 378 } 379 } 380 381 /** 382 * This method is used if this is a "replace short message" SMS. 383 * We find any existing message that matches the incoming 384 * message's originating address and protocol identifier. If 385 * there is one, we replace its fields with those of the new 386 * message. Otherwise, we store the new message as usual. 387 * 388 * See TS 23.040 9.2.3.9. 389 */ 390 private Uri replaceMessage(Context context, SmsMessage[] msgs, int error) { 391 SmsMessage sms = msgs[0]; 392 ContentValues values = extractContentValues(sms); 393 394 values.put(Inbox.BODY, sms.getMessageBody()); 395 values.put(Sms.ERROR_CODE, error); 396 397 ContentResolver resolver = context.getContentResolver(); 398 String originatingAddress = sms.getOriginatingAddress(); 399 int protocolIdentifier = sms.getProtocolIdentifier(); 400 String selection = 401 Sms.ADDRESS + " = ? AND " + 402 Sms.PROTOCOL + " = ?"; 403 String[] selectionArgs = new String[] { 404 originatingAddress, Integer.toString(protocolIdentifier) 405 }; 406 407 Cursor cursor = SqliteWrapper.query(context, resolver, Inbox.CONTENT_URI, 408 REPLACE_PROJECTION, selection, selectionArgs, null); 409 410 if (cursor != null) { 411 try { 412 if (cursor.moveToFirst()) { 413 long messageId = cursor.getLong(REPLACE_COLUMN_ID); 414 Uri messageUri = ContentUris.withAppendedId( 415 Sms.CONTENT_URI, messageId); 416 417 SqliteWrapper.update(context, resolver, messageUri, 418 values, null, null); 419 return messageUri; 420 } 421 } finally { 422 cursor.close(); 423 } 424 } 425 return storeMessage(context, msgs, error); 426 } 427 428 private Uri storeMessage(Context context, SmsMessage[] msgs, int error) { 429 SmsMessage sms = msgs[0]; 430 431 // Store the message in the content provider. 432 ContentValues values = extractContentValues(sms); 433 values.put(Sms.ERROR_CODE, error); 434 int pduCount = msgs.length; 435 436 if (pduCount == 1) { 437 // There is only one part, so grab the body directly. 438 values.put(Inbox.BODY, sms.getDisplayMessageBody()); 439 } else { 440 // Build up the body from the parts. 441 StringBuilder body = new StringBuilder(); 442 for (int i = 0; i < pduCount; i++) { 443 sms = msgs[i]; 444 body.append(sms.getDisplayMessageBody()); 445 } 446 values.put(Inbox.BODY, body.toString()); 447 } 448 449 // Make sure we've got a thread id so after the insert we'll be able to delete 450 // excess messages. 451 Long threadId = values.getAsLong(Sms.THREAD_ID); 452 String address = values.getAsString(Sms.ADDRESS); 453 if (!TextUtils.isEmpty(address)) { 454 Contact cacheContact = Contact.get(address,true); 455 if (cacheContact != null) { 456 address = cacheContact.getNumber(); 457 } 458 } else { 459 address = getString(R.string.unknown_sender); 460 values.put(Sms.ADDRESS, address); 461 } 462 463 if (((threadId == null) || (threadId == 0)) && (address != null)) { 464 threadId = Threads.getOrCreateThreadId(context, address); 465 values.put(Sms.THREAD_ID, threadId); 466 } 467 468 ContentResolver resolver = context.getContentResolver(); 469 470 Uri insertedUri = SqliteWrapper.insert(context, resolver, Inbox.CONTENT_URI, values); 471 472 // Now make sure we're not over the limit in stored messages 473 Recycler.getSmsRecycler().deleteOldMessagesByThreadId(getApplicationContext(), threadId); 474 475 return insertedUri; 476 } 477 478 /** 479 * Extract all the content values except the body from an SMS 480 * message. 481 */ 482 private ContentValues extractContentValues(SmsMessage sms) { 483 // Store the message in the content provider. 484 ContentValues values = new ContentValues(); 485 486 values.put(Inbox.ADDRESS, sms.getDisplayOriginatingAddress()); 487 488 // Use now for the timestamp to avoid confusion with clock 489 // drift between the handset and the SMSC. 490 values.put(Inbox.DATE, new Long(System.currentTimeMillis())); 491 values.put(Inbox.PROTOCOL, sms.getProtocolIdentifier()); 492 values.put(Inbox.READ, 0); 493 values.put(Inbox.SEEN, 0); 494 if (sms.getPseudoSubject().length() > 0) { 495 values.put(Inbox.SUBJECT, sms.getPseudoSubject()); 496 } 497 values.put(Inbox.REPLY_PATH_PRESENT, sms.isReplyPathPresent() ? 1 : 0); 498 values.put(Inbox.SERVICE_CENTER, sms.getServiceCenterAddress()); 499 return values; 500 } 501 502 /** 503 * Displays a class-zero message immediately in a pop-up window 504 * with the number from where it received the Notification with 505 * the body of the message 506 * 507 */ 508 private void displayClassZeroMessage(Context context, SmsMessage sms) { 509 // Using NEW_TASK here is necessary because we're calling 510 // startActivity from outside an activity. 511 Intent smsDialogIntent = new Intent(context, ClassZeroActivity.class) 512 .putExtra("pdu", sms.getPdu()) 513 .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 514 | Intent.FLAG_ACTIVITY_MULTIPLE_TASK); 515 516 context.startActivity(smsDialogIntent); 517 } 518 519 private void registerForServiceStateChanges() { 520 Context context = getApplicationContext(); 521 unRegisterForServiceStateChanges(); 522 523 IntentFilter intentFilter = new IntentFilter(); 524 intentFilter.addAction(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED); 525 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 526 Log.v(TAG, "registerForServiceStateChanges"); 527 } 528 529 context.registerReceiver(SmsReceiver.getInstance(), intentFilter); 530 } 531 532 private void unRegisterForServiceStateChanges() { 533 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 534 Log.v(TAG, "unRegisterForServiceStateChanges"); 535 } 536 try { 537 Context context = getApplicationContext(); 538 context.unregisterReceiver(SmsReceiver.getInstance()); 539 } catch (IllegalArgumentException e) { 540 // Allow un-matched register-unregister calls 541 } 542 } 543 544 } 545 546 547