1package eu.siacs.conversations.services;
2
3import java.text.ParseException;
4import java.text.SimpleDateFormat;
5import java.util.Collections;
6import java.util.Comparator;
7import java.util.Date;
8import java.util.Hashtable;
9import java.util.List;
10import java.util.Locale;
11import java.util.Random;
12
13import org.openintents.openpgp.util.OpenPgpApi;
14import org.openintents.openpgp.util.OpenPgpServiceConnection;
15
16import net.java.otr4j.OtrException;
17import net.java.otr4j.session.Session;
18import net.java.otr4j.session.SessionStatus;
19
20import eu.siacs.conversations.crypto.PgpEngine;
21import eu.siacs.conversations.crypto.PgpEngine.OpenPgpException;
22import eu.siacs.conversations.entities.Account;
23import eu.siacs.conversations.entities.Contact;
24import eu.siacs.conversations.entities.Conversation;
25import eu.siacs.conversations.entities.Message;
26import eu.siacs.conversations.entities.MucOptions;
27import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
28import eu.siacs.conversations.entities.Presences;
29import eu.siacs.conversations.persistance.DatabaseBackend;
30import eu.siacs.conversations.persistance.OnPhoneContactsMerged;
31import eu.siacs.conversations.ui.OnAccountListChangedListener;
32import eu.siacs.conversations.ui.OnConversationListChangedListener;
33import eu.siacs.conversations.ui.OnRosterFetchedListener;
34import eu.siacs.conversations.utils.ExceptionHelper;
35import eu.siacs.conversations.utils.MessageParser;
36import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
37import eu.siacs.conversations.utils.PhoneHelper;
38import eu.siacs.conversations.utils.UIHelper;
39import eu.siacs.conversations.xml.Element;
40import eu.siacs.conversations.xmpp.OnBindListener;
41import eu.siacs.conversations.xmpp.OnIqPacketReceived;
42import eu.siacs.conversations.xmpp.OnJinglePacketReceived;
43import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
44import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
45import eu.siacs.conversations.xmpp.OnStatusChanged;
46import eu.siacs.conversations.xmpp.OnTLSExceptionReceived;
47import eu.siacs.conversations.xmpp.XmppConnection;
48import eu.siacs.conversations.xmpp.stanzas.IqPacket;
49import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
50import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
51import eu.siacs.conversations.xmpp.stanzas.jingle.JinglePacket;
52import android.app.AlarmManager;
53import android.app.PendingIntent;
54import android.app.Service;
55import android.content.Context;
56import android.content.Intent;
57import android.content.SharedPreferences;
58import android.database.ContentObserver;
59import android.database.DatabaseUtils;
60import android.net.ConnectivityManager;
61import android.net.NetworkInfo;
62import android.os.Binder;
63import android.os.Bundle;
64import android.os.IBinder;
65import android.os.PowerManager;
66import android.os.PowerManager.WakeLock;
67import android.os.SystemClock;
68import android.preference.PreferenceManager;
69import android.provider.ContactsContract;
70import android.util.Log;
71
72public class XmppConnectionService extends Service {
73
74 protected static final String LOGTAG = "xmppService";
75 public DatabaseBackend databaseBackend;
76
77 public long startDate;
78
79 private static final int PING_MAX_INTERVAL = 300;
80 private static final int PING_MIN_INTERVAL = 10;
81 private static final int PING_TIMEOUT = 5;
82 private static final int CONNECT_TIMEOUT = 60;
83
84 private List<Account> accounts;
85 private List<Conversation> conversations = null;
86
87 public OnConversationListChangedListener convChangedListener = null;
88 private int convChangedListenerCount = 0;
89 private OnAccountListChangedListener accountChangedListener = null;
90 private OnTLSExceptionReceived tlsException = null;
91
92 public void setOnTLSExceptionReceivedListener(
93 OnTLSExceptionReceived listener) {
94 tlsException = listener;
95 }
96
97 private Random mRandom = new Random(System.currentTimeMillis());
98
99 private ContentObserver contactObserver = new ContentObserver(null) {
100 @Override
101 public void onChange(boolean selfChange) {
102 super.onChange(selfChange);
103 Log.d(LOGTAG, "contact list has changed");
104 mergePhoneContactsWithRoster(null);
105 }
106 };
107
108 private XmppConnectionService service = this;
109
110 private final IBinder mBinder = new XmppConnectionBinder();
111 private OnMessagePacketReceived messageListener = new OnMessagePacketReceived() {
112
113 @Override
114 public void onMessagePacketReceived(Account account,
115 MessagePacket packet) {
116 Message message = null;
117 boolean notify = true;
118 if ((packet.getType() == MessagePacket.TYPE_CHAT)) {
119 String pgpBody = MessageParser.getPgpBody(packet);
120 if (pgpBody != null) {
121 message = MessageParser.parsePgpChat(pgpBody, packet,
122 account, service);
123 message.markUnread();
124 } else if (packet.hasChild("body")
125 && (packet.getBody().startsWith("?OTR"))) {
126 message = MessageParser.parseOtrChat(packet, account,
127 service);
128 if (message != null) {
129 message.markUnread();
130 }
131 } else if (packet.hasChild("body")) {
132 message = MessageParser.parsePlainTextChat(packet, account,
133 service);
134 message.markUnread();
135 } else if (packet.hasChild("received")
136 || (packet.hasChild("sent"))) {
137 message = MessageParser.parseCarbonMessage(packet, account,
138 service);
139 if (message != null) {
140 message.getConversation().markRead();
141 }
142 notify = false;
143 }
144
145 } else if (packet.getType() == MessagePacket.TYPE_GROUPCHAT) {
146 message = MessageParser
147 .parseGroupchat(packet, account, service);
148 if (message != null) {
149 if (message.getStatus() == Message.STATUS_RECIEVED) {
150 message.markUnread();
151 } else {
152 message.getConversation().markRead();
153 notify = false;
154 }
155 }
156 } else if (packet.getType() == MessagePacket.TYPE_ERROR) {
157 message = MessageParser.parseError(packet, account, service);
158 } else if (packet.getType() == MessagePacket.TYPE_NORMAL) {
159 if (packet.hasChild("x")) {
160 Element x = packet.findChild("x");
161 if (x.hasChild("invite")) {
162 findOrCreateConversation(account, packet.getFrom(),
163 true);
164 if (convChangedListener != null) {
165 convChangedListener.onConversationListChanged();
166 }
167 Log.d(LOGTAG,
168 "invitation received to " + packet.getFrom());
169 }
170
171 } else {
172 // Log.d(LOGTAG, "unparsed message " + packet.toString());
173 }
174 }
175 if ((message == null) || (message.getBody() == null)) {
176 return;
177 }
178 if (packet.hasChild("delay")) {
179 try {
180 String stamp = packet.findChild("delay").getAttribute(
181 "stamp");
182 stamp = stamp.replace("Z", "+0000");
183 Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ")
184 .parse(stamp);
185 message.setTime(date.getTime());
186 } catch (ParseException e) {
187 Log.d(LOGTAG, "error trying to parse date" + e.getMessage());
188 }
189 }
190 Conversation conversation = message.getConversation();
191 conversation.getMessages().add(message);
192 if (packet.getType() != MessagePacket.TYPE_ERROR) {
193 databaseBackend.createMessage(message);
194 }
195 if (convChangedListener != null) {
196 convChangedListener.onConversationListChanged();
197 } else {
198 UIHelper.updateNotification(getApplicationContext(),
199 getConversations(), message.getConversation(), notify);
200 }
201 }
202 };
203 private OnStatusChanged statusListener = new OnStatusChanged() {
204
205 @Override
206 public void onStatusChanged(Account account) {
207 if (accountChangedListener != null) {
208 accountChangedListener.onAccountListChangedListener();
209 }
210 if (account.getStatus() == Account.STATUS_ONLINE) {
211 List<Conversation> conversations = getConversations();
212 for (int i = 0; i < conversations.size(); ++i) {
213 if (conversations.get(i).getAccount() == account) {
214 sendUnsendMessages(conversations.get(i));
215 }
216 }
217 scheduleWakeupCall(PING_MAX_INTERVAL, true);
218 } else if (account.getStatus() == Account.STATUS_OFFLINE) {
219 if (!account.isOptionSet(Account.OPTION_DISABLED)) {
220 int timeToReconnect = mRandom.nextInt(50) + 10;
221 scheduleWakeupCall(timeToReconnect, false);
222 }
223
224 } else if (account.getStatus() == Account.STATUS_REGISTRATION_SUCCESSFULL) {
225 databaseBackend.updateAccount(account);
226 reconnectAccount(account, true);
227 }
228 }
229 };
230
231 private OnPresencePacketReceived presenceListener = new OnPresencePacketReceived() {
232
233 @Override
234 public void onPresencePacketReceived(Account account,
235 PresencePacket packet) {
236 if (packet.hasChild("x","http://jabber.org/protocol/muc#user")) {
237 Conversation muc = findMuc(
238 packet.getAttribute("from").split("/")[0], account);
239 if (muc != null) {
240 muc.getMucOptions().processPacket(packet);
241 } else {
242 Log.d(LOGTAG,account.getJid()+": could not find muc for received muc package "+packet.toString());
243 }
244 } else if (packet.hasChild("x","http://jabber.org/protocol/muc")) {
245 Conversation muc = findMuc(packet.getAttribute("from").split("/")[0], account);
246 if (muc != null) {
247 Log.d(LOGTAG,account.getJid()+": reading muc status packet "+packet.toString());
248 int error = muc.getMucOptions().getError();
249 muc.getMucOptions().processPacket(packet);
250 if ((muc.getMucOptions().getError() != error)
251 && (convChangedListener != null)) {
252 Log.d(LOGTAG, "muc error status changed");
253 convChangedListener.onConversationListChanged();
254 }
255 }
256 } else {
257 String[] fromParts = packet.getAttribute("from").split("/");
258 String type = packet.getAttribute("type");
259 if (fromParts[0].equals(account.getJid())) {
260 if (fromParts.length==2) {
261 if (type == null) {
262 account.updatePresence(fromParts[1],Presences.parseShow(packet.findChild("show")));
263 } else if (type.equals("unavailable")) {
264 account.removePresence(fromParts[1]);
265 }
266 }
267
268 } else {
269 Contact contact = findContact(account, fromParts[0]);
270 if (contact == null) {
271 // most likely roster not synced
272 return;
273 }
274 if (type == null) {
275 if (fromParts.length == 2) {
276 contact.updatePresence(fromParts[1], Presences.parseShow(packet.findChild("show")));
277 PgpEngine pgp = getPgpEngine();
278 if (pgp != null) {
279 Element x = packet.findChild("x","jabber:x:signed");
280 if (x != null) {
281 try {
282 Element status = packet.findChild("status");
283 String msg;
284 if (status!=null) {
285 msg = status.getContent();
286 } else {
287 msg = "";
288 }
289 contact.setPgpKeyId(pgp.fetchKeyId(msg, x
290 .getContent()));
291 } catch (OpenPgpException e) {
292 Log.d(LOGTAG, "faulty pgp. just ignore");
293 }
294 }
295 }
296 databaseBackend.updateContact(contact);
297 } else {
298 // Log.d(LOGTAG,"presence without resource "+packet.toString());
299 }
300 } else if (type.equals("unavailable")) {
301 if (fromParts.length != 2) {
302 // Log.d(LOGTAG,"received presence with no resource "+packet.toString());
303 } else {
304 contact.removePresence(fromParts[1]);
305 databaseBackend.updateContact(contact);
306 }
307 } else if (type.equals("subscribe")) {
308 if (contact
309 .getSubscriptionOption(Contact.Subscription.PREEMPTIVE_GRANT)) {
310 sendPresenceUpdatesTo(contact);
311 contact.setSubscriptionOption(Contact.Subscription.FROM);
312 contact.resetSubscriptionOption(Contact.Subscription.PREEMPTIVE_GRANT);
313 replaceContactInConversation(contact.getJid(),
314 contact);
315 databaseBackend.updateContact(contact);
316 if ((contact
317 .getSubscriptionOption(Contact.Subscription.ASKING))
318 && (!contact
319 .getSubscriptionOption(Contact.Subscription.TO))) {
320 requestPresenceUpdatesFrom(contact);
321 }
322 } else {
323 // TODO: ask user to handle it maybe
324 }
325 } else {
326 //Log.d(LOGTAG, packet.toString());
327 }
328 replaceContactInConversation(contact.getJid(), contact);
329 }
330 }
331 }
332 };
333
334 private OnIqPacketReceived unknownIqListener = new OnIqPacketReceived() {
335
336 @Override
337 public void onIqPacketReceived(Account account, IqPacket packet) {
338 if (packet.hasChild("query")) {
339 Element query = packet.findChild("query");
340 String xmlns = query.getAttribute("xmlns");
341 if ((xmlns != null) && (xmlns.equals("jabber:iq:roster"))) {
342 processRosterItems(account, query);
343 mergePhoneContactsWithRoster(null);
344 }
345 }
346 }
347 };
348
349 private OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
350
351 @Override
352 public void onJinglePacketReceived(Account account, JinglePacket packet) {
353 Log.d(LOGTAG,account.getJid()+": jingle packet received"+packet.toString());
354 }
355 };
356
357 private OpenPgpServiceConnection pgpServiceConnection;
358 private PgpEngine mPgpEngine = null;
359 private Intent pingIntent;
360 private PendingIntent pendingPingIntent = null;
361 private WakeLock wakeLock;
362
363 public PgpEngine getPgpEngine() {
364 if (pgpServiceConnection.isBound()) {
365 if (this.mPgpEngine == null) {
366 this.mPgpEngine = new PgpEngine(new OpenPgpApi(
367 getApplicationContext(),
368 pgpServiceConnection.getService()));
369 }
370 return mPgpEngine;
371 } else {
372 return null;
373 }
374
375 }
376
377 protected Conversation findMuc(String name, Account account) {
378 for (Conversation conversation : this.conversations) {
379 if (conversation.getContactJid().split("/")[0].equals(name)
380 && (conversation.getAccount() == account)) {
381 return conversation;
382 }
383 }
384 return null;
385 }
386
387 private void processRosterItems(Account account, Element elements) {
388 String version = elements.getAttribute("ver");
389 if (version != null) {
390 account.setRosterVersion(version);
391 databaseBackend.updateAccount(account);
392 }
393 for (Element item : elements.getChildren()) {
394 if (item.getName().equals("item")) {
395 String jid = item.getAttribute("jid");
396 String subscription = item.getAttribute("subscription");
397 Contact contact = databaseBackend.findContact(account, jid);
398 if (contact == null) {
399 if (!subscription.equals("remove")) {
400 String name = item.getAttribute("name");
401 if (name == null) {
402 name = jid.split("@")[0];
403 }
404 contact = new Contact(account, name, jid, null);
405 contact.parseSubscriptionFromElement(item);
406 databaseBackend.createContact(contact);
407 }
408 } else {
409 if (subscription.equals("remove")) {
410 databaseBackend.deleteContact(contact);
411 replaceContactInConversation(contact.getJid(), null);
412 } else {
413 contact.parseSubscriptionFromElement(item);
414 databaseBackend.updateContact(contact);
415 replaceContactInConversation(contact.getJid(), contact);
416 }
417 }
418 }
419 }
420 }
421
422 private void replaceContactInConversation(String jid, Contact contact) {
423 List<Conversation> conversations = getConversations();
424 for (int i = 0; i < conversations.size(); ++i) {
425 if ((conversations.get(i).getContactJid().equals(jid))) {
426 conversations.get(i).setContact(contact);
427 break;
428 }
429 }
430 }
431
432 public class XmppConnectionBinder extends Binder {
433 public XmppConnectionService getService() {
434 return XmppConnectionService.this;
435 }
436 }
437
438 @Override
439 public int onStartCommand(Intent intent, int flags, int startId) {
440 this.wakeLock.acquire();
441 // Log.d(LOGTAG,"calling start service. caller was:"+intent.getAction());
442 ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
443 .getSystemService(Context.CONNECTIVITY_SERVICE);
444 NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
445 boolean isConnected = activeNetwork != null
446 && activeNetwork.isConnected();
447
448 for (Account account : accounts) {
449 if (!account.isOptionSet(Account.OPTION_DISABLED)) {
450 if (!isConnected) {
451 account.setStatus(Account.STATUS_NO_INTERNET);
452 if (statusListener != null) {
453 statusListener.onStatusChanged(account);
454 }
455 } else {
456 if (account.getStatus() == Account.STATUS_NO_INTERNET) {
457 account.setStatus(Account.STATUS_OFFLINE);
458 if (statusListener != null) {
459 statusListener.onStatusChanged(account);
460 }
461 }
462
463 // TODO 3 remaining cases
464 if (account.getStatus() == Account.STATUS_ONLINE) {
465 long lastReceived = account.getXmppConnection().lastPaketReceived;
466 long lastSent = account.getXmppConnection().lastPingSent;
467 if (lastSent - lastReceived >= PING_TIMEOUT * 1000) {
468 Log.d(LOGTAG, account.getJid() + ": ping timeout");
469 this.reconnectAccount(account, true);
470 } else if (SystemClock.elapsedRealtime() - lastReceived >= PING_MIN_INTERVAL * 1000) {
471 account.getXmppConnection().sendPing();
472 account.getXmppConnection().lastPingSent = SystemClock
473 .elapsedRealtime();
474 this.scheduleWakeupCall(2, false);
475 }
476 } else if (account.getStatus() == Account.STATUS_OFFLINE) {
477 if (account.getXmppConnection() == null) {
478 account.setXmppConnection(this
479 .createConnection(account));
480 }
481 account.getXmppConnection().lastPingSent = SystemClock
482 .elapsedRealtime();
483 new Thread(account.getXmppConnection()).start();
484 } else if ((account.getStatus() == Account.STATUS_CONNECTING)
485 && ((SystemClock.elapsedRealtime() - account
486 .getXmppConnection().lastConnect) / 1000 >= CONNECT_TIMEOUT)) {
487 Log.d(LOGTAG, account.getJid()
488 + ": time out during connect reconnecting");
489 reconnectAccount(account, true);
490 } else {
491 Log.d(LOGTAG,
492 "seconds since last connect:"
493 + ((SystemClock.elapsedRealtime() - account
494 .getXmppConnection().lastConnect) / 1000));
495 Log.d(LOGTAG,
496 account.getJid() + ": status="
497 + account.getStatus());
498 // TODO notify user of ssl cert problem or auth problem
499 // or what ever
500 }
501 // in any case. reschedule wakup call
502 this.scheduleWakeupCall(PING_MAX_INTERVAL, true);
503 }
504 if (accountChangedListener != null) {
505 accountChangedListener.onAccountListChangedListener();
506 }
507 }
508 }
509 if (wakeLock.isHeld()) {
510 wakeLock.release();
511 }
512 return START_STICKY;
513 }
514
515 @Override
516 public void onCreate() {
517 ExceptionHelper.init(getApplicationContext());
518 databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
519 this.accounts = databaseBackend.getAccounts();
520
521 this.getConversations();
522
523 getContentResolver().registerContentObserver(
524 ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
525 this.pgpServiceConnection = new OpenPgpServiceConnection(
526 getApplicationContext(), "org.sufficientlysecure.keychain");
527 this.pgpServiceConnection.bindToService();
528
529 PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
530 this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
531 "XmppConnection");
532 }
533
534 @Override
535 public void onDestroy() {
536 super.onDestroy();
537 for (Account account : accounts) {
538 if (account.getXmppConnection() != null) {
539 disconnect(account, true);
540 }
541 }
542 }
543
544 protected void scheduleWakeupCall(int seconds, boolean ping) {
545 long timeToWake = SystemClock.elapsedRealtime() + seconds * 1000;
546 Context context = getApplicationContext();
547 AlarmManager alarmManager = (AlarmManager) context
548 .getSystemService(Context.ALARM_SERVICE);
549
550 if (ping) {
551 if (this.pingIntent == null) {
552 this.pingIntent = new Intent(context, EventReceiver.class);
553 this.pingIntent.setAction("ping");
554 this.pingIntent.putExtra("time", timeToWake);
555 this.pendingPingIntent = PendingIntent.getBroadcast(context, 0,
556 this.pingIntent, 0);
557 alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
558 timeToWake, pendingPingIntent);
559 // Log.d(LOGTAG,"schedule ping in "+seconds+" seconds");
560 } else {
561 long scheduledTime = this.pingIntent.getLongExtra("time", 0);
562 if (scheduledTime < SystemClock.elapsedRealtime()
563 || (scheduledTime > timeToWake)) {
564 this.pingIntent.putExtra("time", timeToWake);
565 alarmManager.cancel(this.pendingPingIntent);
566 this.pendingPingIntent = PendingIntent.getBroadcast(
567 context, 0, this.pingIntent, 0);
568 alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
569 timeToWake, pendingPingIntent);
570 // Log.d(LOGTAG,"reschedule old ping to ping in "+seconds+" seconds");
571 }
572 }
573 } else {
574 Intent intent = new Intent(context, EventReceiver.class);
575 intent.setAction("ping_check");
576 PendingIntent alarmIntent = PendingIntent.getBroadcast(context, 0,
577 intent, 0);
578 alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake,
579 alarmIntent);
580 }
581
582 }
583
584 public XmppConnection createConnection(Account account) {
585 SharedPreferences sharedPref = PreferenceManager
586 .getDefaultSharedPreferences(getApplicationContext());
587 account.setResource(sharedPref.getString("resource", "mobile").toLowerCase(Locale.getDefault()));
588 XmppConnection connection = new XmppConnection(account, this.wakeLock);
589 connection.setOnMessagePacketReceivedListener(this.messageListener);
590 connection.setOnStatusChangedListener(this.statusListener);
591 connection.setOnPresencePacketReceivedListener(this.presenceListener);
592 connection
593 .setOnUnregisteredIqPacketReceivedListener(this.unknownIqListener);
594 connection.setOnJinglePacketReceivedListener(this.jingleListener);
595 connection
596 .setOnTLSExceptionReceivedListener(new OnTLSExceptionReceived() {
597
598 @Override
599 public void onTLSExceptionReceived(String fingerprint,
600 Account account) {
601 Log.d(LOGTAG, "tls exception arrived in service");
602 if (tlsException != null) {
603 tlsException.onTLSExceptionReceived(fingerprint,
604 account);
605 }
606 }
607 });
608 connection.setOnBindListener(new OnBindListener() {
609
610 @Override
611 public void onBind(Account account) {
612 databaseBackend.clearPresences(account);
613 account.clearPresences(); // self presences
614 if (account.getXmppConnection().hasFeatureRosterManagment()) {
615 updateRoster(account, null);
616 }
617 connectMultiModeConversations(account);
618 if (convChangedListener != null) {
619 convChangedListener.onConversationListChanged();
620 }
621 }
622 });
623 return connection;
624 }
625
626 synchronized public void sendMessage(Message message, String presence) {
627 Account account = message.getConversation().getAccount();
628 Conversation conv = message.getConversation();
629 boolean saveInDb = false;
630 boolean addToConversation = false;
631 if (account.getStatus() == Account.STATUS_ONLINE) {
632 MessagePacket packet;
633 if (message.getEncryption() == Message.ENCRYPTION_OTR) {
634 if (!conv.hasValidOtrSession()) {
635 // starting otr session. messages will be send later
636 conv.startOtrSession(getApplicationContext(), presence,true);
637 } else if (conv.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) {
638 // otr session aleary exists, creating message packet
639 // accordingly
640 packet = prepareMessagePacket(account, message,
641 conv.getOtrSession());
642 account.getXmppConnection().sendMessagePacket(packet);
643 message.setStatus(Message.STATUS_SEND);
644 }
645 saveInDb = true;
646 addToConversation = true;
647 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
648 message.getConversation().endOtrIfNeeded();
649 long keyId = message.getConversation().getContact()
650 .getPgpKeyId();
651 packet = new MessagePacket();
652 packet.setType(MessagePacket.TYPE_CHAT);
653 packet.setFrom(message.getConversation().getAccount()
654 .getFullJid());
655 packet.setTo(message.getCounterpart());
656 packet.setBody("This is an XEP-0027 encryted message");
657 packet.addChild("x","jabber:x:encrypted").setContent(this.getPgpEngine().encrypt(keyId,
658 message.getBody()));
659 account.getXmppConnection().sendMessagePacket(packet);
660 message.setStatus(Message.STATUS_SEND);
661 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
662 saveInDb = true;
663 addToConversation = true;
664 } else {
665 message.getConversation().endOtrIfNeeded();
666 // don't encrypt
667 if (message.getConversation().getMode() == Conversation.MODE_SINGLE) {
668 message.setStatus(Message.STATUS_SEND);
669 saveInDb = true;
670 addToConversation = true;
671 }
672
673 packet = prepareMessagePacket(account, message, null);
674 account.getXmppConnection().sendMessagePacket(packet);
675 }
676 } else {
677 // account is offline
678 saveInDb = true;
679 addToConversation = true;
680
681 }
682 if (saveInDb) {
683 databaseBackend.createMessage(message);
684 }
685 if (addToConversation) {
686 conv.getMessages().add(message);
687 if (convChangedListener != null) {
688 convChangedListener.onConversationListChanged();
689 }
690 }
691
692 }
693
694 private void sendUnsendMessages(Conversation conversation) {
695 for (int i = 0; i < conversation.getMessages().size(); ++i) {
696 if ((conversation.getMessages().get(i).getStatus() == Message.STATUS_UNSEND)&&(conversation.getMessages().get(i).getEncryption() == Message.ENCRYPTION_NONE)) {
697 Message message = conversation.getMessages().get(i);
698 MessagePacket packet = prepareMessagePacket(
699 conversation.getAccount(), message, null);
700 conversation.getAccount().getXmppConnection()
701 .sendMessagePacket(packet);
702 message.setStatus(Message.STATUS_SEND);
703 if (conversation.getMode() == Conversation.MODE_SINGLE) {
704 databaseBackend.updateMessage(message);
705 } else {
706 databaseBackend.deleteMessage(message);
707 conversation.getMessages().remove(i);
708 i--;
709 }
710 }
711 }
712 }
713
714 public MessagePacket prepareMessagePacket(Account account, Message message,
715 Session otrSession) {
716 MessagePacket packet = new MessagePacket();
717 if (message.getConversation().getMode() == Conversation.MODE_SINGLE) {
718 packet.setType(MessagePacket.TYPE_CHAT);
719 if (otrSession != null) {
720 try {
721 packet.setBody(otrSession.transformSending(message
722 .getBody()));
723 } catch (OtrException e) {
724 Log.d(LOGTAG,
725 account.getJid()
726 + ": could not encrypt message to "
727 + message.getCounterpart());
728 }
729 packet.addChild("private","urn:xmpp:carbons:2");
730 packet.addChild("no-copy","urn:xmpp:hints");
731 packet.setTo(otrSession.getSessionID().getAccountID() + "/"
732 + otrSession.getSessionID().getUserID());
733 packet.setFrom(account.getFullJid());
734 } else {
735 packet.setBody(message.getBody());
736 packet.setTo(message.getCounterpart());
737 packet.setFrom(account.getJid());
738 }
739 } else if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
740 packet.setType(MessagePacket.TYPE_GROUPCHAT);
741 packet.setBody(message.getBody());
742 packet.setTo(message.getCounterpart().split("/")[0]);
743 packet.setFrom(account.getJid());
744 }
745 return packet;
746 }
747
748 private void getRoster(Account account,
749 final OnRosterFetchedListener listener) {
750 List<Contact> contacts = databaseBackend.getContactsByAccount(account);
751 for (int i = 0; i < contacts.size(); ++i) {
752 contacts.get(i).setAccount(account);
753 }
754 if (listener != null) {
755 listener.onRosterFetched(contacts);
756 }
757 }
758
759 public List<Contact> getRoster(Account account) {
760 List<Contact> contacts = databaseBackend.getContactsByAccount(account);
761 for (int i = 0; i < contacts.size(); ++i) {
762 contacts.get(i).setAccount(account);
763 }
764 return contacts;
765 }
766
767 public void updateRoster(final Account account,
768 final OnRosterFetchedListener listener) {
769 IqPacket iqPacket = new IqPacket(IqPacket.TYPE_GET);
770 if (!"".equals(account.getRosterVersion())) {
771 Log.d(LOGTAG, account.getJid() + ": fetching roster version "
772 + account.getRosterVersion());
773 } else {
774 Log.d(LOGTAG, account.getJid() + ": fetching roster");
775 }
776 iqPacket.query("jabber:iq:roster").setAttribute("ver", account.getRosterVersion());
777 account.getXmppConnection().sendIqPacket(iqPacket,
778 new OnIqPacketReceived() {
779
780 @Override
781 public void onIqPacketReceived(final Account account,
782 IqPacket packet) {
783 Element roster = packet.findChild("query");
784 if (roster != null) {
785 Log.d(LOGTAG, account.getJid()
786 + ": processing roster");
787 processRosterItems(account, roster);
788 StringBuilder mWhere = new StringBuilder();
789 mWhere.append("jid NOT IN(");
790 List<Element> items = roster.getChildren();
791 for (int i = 0; i < items.size(); ++i) {
792 mWhere.append(DatabaseUtils
793 .sqlEscapeString(items.get(i)
794 .getAttribute("jid")));
795 if (i != items.size() - 1) {
796 mWhere.append(",");
797 }
798 }
799 mWhere.append(") and accountUuid = \"");
800 mWhere.append(account.getUuid());
801 mWhere.append("\"");
802 List<Contact> contactsToDelete = databaseBackend
803 .getContacts(mWhere.toString());
804 for (Contact contact : contactsToDelete) {
805 databaseBackend.deleteContact(contact);
806 replaceContactInConversation(contact.getJid(),
807 null);
808 }
809
810 } else {
811 Log.d(LOGTAG, account.getJid()
812 + ": empty roster returend");
813 }
814 mergePhoneContactsWithRoster(new OnPhoneContactsMerged() {
815
816 @Override
817 public void phoneContactsMerged() {
818 if (listener != null) {
819 getRoster(account, listener);
820 }
821 }
822 });
823 }
824 });
825 }
826
827 public void mergePhoneContactsWithRoster(
828 final OnPhoneContactsMerged listener) {
829 PhoneHelper.loadPhoneContacts(getApplicationContext(),
830 new OnPhoneContactsLoadedListener() {
831 @Override
832 public void onPhoneContactsLoaded(
833 Hashtable<String, Bundle> phoneContacts) {
834 List<Contact> contacts = databaseBackend
835 .getContactsByAccount(null);
836 for (int i = 0; i < contacts.size(); ++i) {
837 Contact contact = contacts.get(i);
838 if (phoneContacts.containsKey(contact.getJid())) {
839 Bundle phoneContact = phoneContacts.get(contact
840 .getJid());
841 String systemAccount = phoneContact
842 .getInt("phoneid")
843 + "#"
844 + phoneContact.getString("lookup");
845 contact.setSystemAccount(systemAccount);
846 contact.setPhotoUri(phoneContact
847 .getString("photouri"));
848 contact.setDisplayName(phoneContact
849 .getString("displayname"));
850 databaseBackend.updateContact(contact);
851 replaceContactInConversation(contact.getJid(),
852 contact);
853 } else {
854 if ((contact.getSystemAccount() != null)
855 || (contact.getProfilePhoto() != null)) {
856 contact.setSystemAccount(null);
857 contact.setPhotoUri(null);
858 databaseBackend.updateContact(contact);
859 replaceContactInConversation(
860 contact.getJid(), contact);
861 }
862 }
863 }
864 if (listener != null) {
865 listener.phoneContactsMerged();
866 }
867 }
868 });
869 }
870
871 public List<Conversation> getConversations() {
872 if (this.conversations == null) {
873 Hashtable<String, Account> accountLookupTable = new Hashtable<String, Account>();
874 for (Account account : this.accounts) {
875 accountLookupTable.put(account.getUuid(), account);
876 }
877 this.conversations = databaseBackend
878 .getConversations(Conversation.STATUS_AVAILABLE);
879 for (Conversation conv : this.conversations) {
880 Account account = accountLookupTable.get(conv.getAccountUuid());
881 conv.setAccount(account);
882 conv.setContact(findContact(account, conv.getContactJid()));
883 conv.setMessages(databaseBackend.getMessages(conv, 50));
884 }
885 }
886 Collections.sort(this.conversations, new Comparator<Conversation>() {
887 @Override
888 public int compare(Conversation lhs, Conversation rhs) {
889 return (int) (rhs.getLatestMessage().getTimeSent() - lhs
890 .getLatestMessage().getTimeSent());
891 }
892 });
893 return this.conversations;
894 }
895
896 public List<Account> getAccounts() {
897 return this.accounts;
898 }
899
900 public Contact findContact(Account account, String jid) {
901 Contact contact = databaseBackend.findContact(account, jid);
902 if (contact != null) {
903 contact.setAccount(account);
904 }
905 return contact;
906 }
907
908 public Conversation findOrCreateConversation(Account account, String jid,
909 boolean muc) {
910 for (Conversation conv : this.getConversations()) {
911 if ((conv.getAccount().equals(account))
912 && (conv.getContactJid().split("/")[0].equals(jid))) {
913 return conv;
914 }
915 }
916 Conversation conversation = databaseBackend.findConversation(account,
917 jid);
918 if (conversation != null) {
919 conversation.setStatus(Conversation.STATUS_AVAILABLE);
920 conversation.setAccount(account);
921 if (muc) {
922 conversation.setMode(Conversation.MODE_MULTI);
923 } else {
924 conversation.setMode(Conversation.MODE_SINGLE);
925 }
926 conversation.setMessages(databaseBackend.getMessages(conversation,
927 50));
928 this.databaseBackend.updateConversation(conversation);
929 conversation.setContact(findContact(account,
930 conversation.getContactJid()));
931 } else {
932 String conversationName;
933 Contact contact = findContact(account, jid);
934 if (contact != null) {
935 conversationName = contact.getDisplayName();
936 } else {
937 conversationName = jid.split("@")[0];
938 }
939 if (muc) {
940 conversation = new Conversation(conversationName, account, jid,
941 Conversation.MODE_MULTI);
942 } else {
943 conversation = new Conversation(conversationName, account, jid,
944 Conversation.MODE_SINGLE);
945 }
946 conversation.setContact(contact);
947 this.databaseBackend.createConversation(conversation);
948 }
949 this.conversations.add(conversation);
950 if ((account.getStatus() == Account.STATUS_ONLINE)&&(conversation.getMode() == Conversation.MODE_MULTI)) {
951 joinMuc(conversation);
952 }
953 if (this.convChangedListener != null) {
954 this.convChangedListener.onConversationListChanged();
955 }
956 return conversation;
957 }
958
959 public void archiveConversation(Conversation conversation) {
960 if (conversation.getMode() == Conversation.MODE_MULTI) {
961 leaveMuc(conversation);
962 } else {
963 conversation.endOtrIfNeeded();
964 }
965 this.databaseBackend.updateConversation(conversation);
966 this.conversations.remove(conversation);
967 if (this.convChangedListener != null) {
968 this.convChangedListener.onConversationListChanged();
969 }
970 }
971
972 public int getConversationCount() {
973 return this.databaseBackend.getConversationCount();
974 }
975
976 public void createAccount(Account account) {
977 databaseBackend.createAccount(account);
978 this.accounts.add(account);
979 this.reconnectAccount(account, false);
980 if (accountChangedListener != null)
981 accountChangedListener.onAccountListChangedListener();
982 }
983
984 public void deleteContact(Contact contact) {
985 IqPacket iq = new IqPacket(IqPacket.TYPE_SET);
986 Element query = iq.query("jabber:iq:roster");
987 query.addChild("item").setAttribute("jid", contact.getJid()).setAttribute("subscription", "remove");
988 contact.getAccount().getXmppConnection().sendIqPacket(iq, null);
989 replaceContactInConversation(contact.getJid(), null);
990 databaseBackend.deleteContact(contact);
991 }
992
993 public void updateAccount(Account account) {
994 databaseBackend.updateAccount(account);
995 reconnectAccount(account, false);
996 if (accountChangedListener != null)
997 accountChangedListener.onAccountListChangedListener();
998 }
999
1000 public void deleteAccount(Account account) {
1001 if (account.getXmppConnection() != null) {
1002 this.disconnect(account, true);
1003 }
1004 databaseBackend.deleteAccount(account);
1005 this.accounts.remove(account);
1006 if (accountChangedListener != null)
1007 accountChangedListener.onAccountListChangedListener();
1008 }
1009
1010 public void setOnConversationListChangedListener(
1011 OnConversationListChangedListener listener) {
1012 this.convChangedListener = listener;
1013 this.convChangedListenerCount++;
1014 Log.d(LOGTAG,"registered on conv changed in backend ("+convChangedListenerCount+")");
1015 }
1016
1017 public void removeOnConversationListChangedListener() {
1018 this.convChangedListenerCount--;
1019 Log.d(LOGTAG,"someone on conv changed listener removed listener ("+convChangedListenerCount+")");
1020 if (this.convChangedListenerCount==0) {
1021 this.convChangedListener = null;
1022 }
1023 }
1024
1025 public void setOnAccountListChangedListener(
1026 OnAccountListChangedListener listener) {
1027 this.accountChangedListener = listener;
1028 }
1029
1030 public void removeOnAccountListChangedListener() {
1031 this.accountChangedListener = null;
1032 }
1033
1034 public void connectMultiModeConversations(Account account) {
1035 List<Conversation> conversations = getConversations();
1036 for (int i = 0; i < conversations.size(); i++) {
1037 Conversation conversation = conversations.get(i);
1038 if ((conversation.getMode() == Conversation.MODE_MULTI)
1039 && (conversation.getAccount() == account)) {
1040 joinMuc(conversation);
1041 }
1042 }
1043 }
1044
1045 public void joinMuc(Conversation conversation) {
1046 String[] mucParts = conversation.getContactJid().split("/");
1047 String muc;
1048 String nick;
1049 if (mucParts.length == 2) {
1050 muc = mucParts[0];
1051 nick = mucParts[1];
1052 } else {
1053 muc = mucParts[0];
1054 nick = conversation.getAccount().getUsername();
1055 }
1056 PresencePacket packet = new PresencePacket();
1057 packet.setAttribute("to", muc + "/" + nick);
1058 Element x = new Element("x");
1059 x.setAttribute("xmlns", "http://jabber.org/protocol/muc");
1060 if (conversation.getMessages().size() != 0) {
1061 long lastMsgTime = conversation.getLatestMessage().getTimeSent();
1062 long diff = (System.currentTimeMillis() - lastMsgTime) / 1000 - 1;
1063 x.addChild("history").setAttribute("seconds", diff + "");
1064 }
1065 packet.addChild(x);
1066 Log.d(LOGTAG,conversation.getAccount().getJid()+": joining muc "+packet.toString());
1067 conversation.getAccount().getXmppConnection()
1068 .sendPresencePacket(packet);
1069 }
1070
1071 private OnRenameListener renameListener = null;
1072
1073 public void setOnRenameListener(OnRenameListener listener) {
1074 this.renameListener = listener;
1075 }
1076
1077 public void renameInMuc(final Conversation conversation, final String nick) {
1078 final MucOptions options = conversation.getMucOptions();
1079 if (options.online()) {
1080 options.setOnRenameListener(new OnRenameListener() {
1081
1082 @Override
1083 public void onRename(boolean success) {
1084 if (renameListener != null) {
1085 renameListener.onRename(success);
1086 }
1087 if (success) {
1088 databaseBackend.updateConversation(conversation);
1089 }
1090 }
1091 });
1092 options.flagAboutToRename();
1093 PresencePacket packet = new PresencePacket();
1094 packet.setAttribute("to",
1095 conversation.getContactJid().split("/")[0] + "/" + nick);
1096 packet.setAttribute("from", conversation.getAccount().getFullJid());
1097
1098 conversation.getAccount().getXmppConnection()
1099 .sendPresencePacket(packet, null);
1100 } else {
1101 String jid = conversation.getContactJid().split("/")[0] + "/"
1102 + nick;
1103 conversation.setContactJid(jid);
1104 databaseBackend.updateConversation(conversation);
1105 if (conversation.getAccount().getStatus() == Account.STATUS_ONLINE) {
1106 joinMuc(conversation);
1107 }
1108 }
1109 }
1110
1111 public void leaveMuc(Conversation conversation) {
1112 PresencePacket packet = new PresencePacket();
1113 packet.setAttribute("to", conversation.getContactJid().split("/")[0] + "/" + conversation.getMucOptions().getNick());
1114 packet.setAttribute("from", conversation.getAccount().getFullJid());
1115 packet.setAttribute("type", "unavailable");
1116 Log.d(LOGTAG,"send leaving muc " + packet);
1117 conversation.getAccount().getXmppConnection()
1118 .sendPresencePacket(packet);
1119 conversation.getMucOptions().setOffline();
1120 }
1121
1122 public void disconnect(Account account, boolean force) {
1123 if ((account.getStatus() == Account.STATUS_ONLINE)
1124 || (account.getStatus() == Account.STATUS_DISABLED)) {
1125 if (!force) {
1126 List<Conversation> conversations = getConversations();
1127 for (int i = 0; i < conversations.size(); i++) {
1128 Conversation conversation = conversations.get(i);
1129 if (conversation.getAccount() == account) {
1130 if (conversation.getMode() == Conversation.MODE_MULTI) {
1131 leaveMuc(conversation);
1132 } else {
1133 conversation.endOtrIfNeeded();
1134 }
1135 }
1136 }
1137 }
1138 account.getXmppConnection().disconnect(force);
1139 }
1140 }
1141
1142 @Override
1143 public IBinder onBind(Intent intent) {
1144 return mBinder;
1145 }
1146
1147 public void updateContact(Contact contact) {
1148 databaseBackend.updateContact(contact);
1149 replaceContactInConversation(contact.getJid(), contact);
1150 }
1151
1152 public void updateMessage(Message message) {
1153 databaseBackend.updateMessage(message);
1154 }
1155
1156 public void createContact(Contact contact) {
1157 SharedPreferences sharedPref = PreferenceManager
1158 .getDefaultSharedPreferences(getApplicationContext());
1159 boolean autoGrant = sharedPref.getBoolean("grant_new_contacts", true);
1160 if (autoGrant) {
1161 contact.setSubscriptionOption(Contact.Subscription.PREEMPTIVE_GRANT);
1162 contact.setSubscriptionOption(Contact.Subscription.ASKING);
1163 }
1164 databaseBackend.createContact(contact);
1165 IqPacket iq = new IqPacket(IqPacket.TYPE_SET);
1166 Element query = new Element("query");
1167 query.setAttribute("xmlns", "jabber:iq:roster");
1168 Element item = new Element("item");
1169 item.setAttribute("jid", contact.getJid());
1170 item.setAttribute("name", contact.getJid());
1171 query.addChild(item);
1172 iq.addChild(query);
1173 Account account = contact.getAccount();
1174 account.getXmppConnection().sendIqPacket(iq, null);
1175 if (autoGrant) {
1176 requestPresenceUpdatesFrom(contact);
1177 }
1178 replaceContactInConversation(contact.getJid(), contact);
1179 }
1180
1181 public void requestPresenceUpdatesFrom(Contact contact) {
1182 // Requesting a Subscription type=subscribe
1183 PresencePacket packet = new PresencePacket();
1184 packet.setAttribute("type", "subscribe");
1185 packet.setAttribute("to", contact.getJid());
1186 packet.setAttribute("from", contact.getAccount().getJid());
1187 Log.d(LOGTAG, packet.toString());
1188 contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1189 }
1190
1191 public void stopPresenceUpdatesFrom(Contact contact) {
1192 // Unsubscribing type='unsubscribe'
1193 PresencePacket packet = new PresencePacket();
1194 packet.setAttribute("type", "unsubscribe");
1195 packet.setAttribute("to", contact.getJid());
1196 packet.setAttribute("from", contact.getAccount().getJid());
1197 Log.d(LOGTAG, packet.toString());
1198 contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1199 }
1200
1201 public void stopPresenceUpdatesTo(Contact contact) {
1202 // Canceling a Subscription type=unsubscribed
1203 PresencePacket packet = new PresencePacket();
1204 packet.setAttribute("type", "unsubscribed");
1205 packet.setAttribute("to", contact.getJid());
1206 packet.setAttribute("from", contact.getAccount().getJid());
1207 Log.d(LOGTAG, packet.toString());
1208 contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1209 }
1210
1211 public void sendPresenceUpdatesTo(Contact contact) {
1212 // type='subscribed'
1213 PresencePacket packet = new PresencePacket();
1214 packet.setAttribute("type", "subscribed");
1215 packet.setAttribute("to", contact.getJid());
1216 packet.setAttribute("from", contact.getAccount().getJid());
1217 Log.d(LOGTAG, packet.toString());
1218 contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1219 }
1220
1221 public void sendPgpPresence(Account account, String signature) {
1222 PresencePacket packet = new PresencePacket();
1223 packet.setAttribute("from", account.getFullJid());
1224 Element status = new Element("status");
1225 status.setContent("online");
1226 packet.addChild(status);
1227 Element x = new Element("x");
1228 x.setAttribute("xmlns", "jabber:x:signed");
1229 x.setContent(signature);
1230 packet.addChild(x);
1231 account.getXmppConnection().sendPresencePacket(packet);
1232 }
1233
1234 public void generatePgpAnnouncement(Account account)
1235 throws PgpEngine.UserInputRequiredException {
1236 if (account.getStatus() == Account.STATUS_ONLINE) {
1237 String signature = getPgpEngine().generateSignature("online");
1238 account.setKey("pgp_signature", signature);
1239 databaseBackend.updateAccount(account);
1240 sendPgpPresence(account, signature);
1241 }
1242 }
1243
1244 public void updateConversation(Conversation conversation) {
1245 this.databaseBackend.updateConversation(conversation);
1246 }
1247
1248 public Contact findContact(String uuid) {
1249 Contact contact = this.databaseBackend.getContact(uuid);
1250 for (Account account : getAccounts()) {
1251 if (contact.getAccountUuid().equals(account.getUuid())) {
1252 contact.setAccount(account);
1253 }
1254 }
1255 return contact;
1256 }
1257
1258 public void removeOnTLSExceptionReceivedListener() {
1259 this.tlsException = null;
1260 }
1261
1262 // TODO dont let thread sleep but schedule wake up
1263 public void reconnectAccount(final Account account, final boolean force) {
1264 new Thread(new Runnable() {
1265
1266 @Override
1267 public void run() {
1268 if (account.getXmppConnection() != null) {
1269 disconnect(account, force);
1270 }
1271 if (!account.isOptionSet(Account.OPTION_DISABLED)) {
1272 if (account.getXmppConnection() == null) {
1273 account.setXmppConnection(createConnection(account));
1274 }
1275 Thread thread = new Thread(account.getXmppConnection());
1276 thread.start();
1277 scheduleWakeupCall((int) (CONNECT_TIMEOUT * 1.2), false);
1278 }
1279 }
1280 }).start();
1281 }
1282
1283 public void updateConversationInGui() {
1284 if (convChangedListener != null) {
1285 convChangedListener.onConversationListChanged();
1286 }
1287 }
1288
1289 public void sendConversationSubject(Conversation conversation,
1290 String subject) {
1291 MessagePacket packet = new MessagePacket();
1292 packet.setType(MessagePacket.TYPE_GROUPCHAT);
1293 packet.setTo(conversation.getContactJid().split("/")[0]);
1294 Element subjectChild = new Element("subject");
1295 subjectChild.setContent(subject);
1296 packet.addChild(subjectChild);
1297 packet.setFrom(conversation.getAccount().getJid());
1298 Account account = conversation.getAccount();
1299 if (account.getStatus() == Account.STATUS_ONLINE) {
1300 account.getXmppConnection().sendMessagePacket(packet);
1301 }
1302 }
1303
1304 public void inviteToConference(Conversation conversation,
1305 List<Contact> contacts) {
1306 for (Contact contact : contacts) {
1307 MessagePacket packet = new MessagePacket();
1308 packet.setTo(conversation.getContactJid().split("/")[0]);
1309 packet.setFrom(conversation.getAccount().getFullJid());
1310 Element x = new Element("x");
1311 x.setAttribute("xmlns", "http://jabber.org/protocol/muc#user");
1312 Element invite = new Element("invite");
1313 invite.setAttribute("to", contact.getJid());
1314 x.addChild(invite);
1315 packet.addChild(x);
1316 Log.d(LOGTAG, packet.toString());
1317 conversation.getAccount().getXmppConnection()
1318 .sendMessagePacket(packet);
1319 }
1320
1321 }
1322}