1package eu.siacs.conversations.parser;
2
3import net.java.otr4j.session.Session;
4import net.java.otr4j.session.SessionStatus;
5
6import eu.siacs.conversations.entities.Account;
7import eu.siacs.conversations.entities.Contact;
8import eu.siacs.conversations.entities.Conversation;
9import eu.siacs.conversations.entities.Message;
10import eu.siacs.conversations.entities.MucOptions;
11import eu.siacs.conversations.http.HttpConnectionManager;
12import eu.siacs.conversations.services.MessageArchiveService;
13import eu.siacs.conversations.services.XmppConnectionService;
14import eu.siacs.conversations.utils.CryptoHelper;
15import eu.siacs.conversations.xml.Element;
16import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
17import eu.siacs.conversations.xmpp.chatstate.ChatState;
18import eu.siacs.conversations.xmpp.jid.Jid;
19import eu.siacs.conversations.xmpp.pep.Avatar;
20import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
21
22public class MessageParser extends AbstractParser implements
23 OnMessagePacketReceived {
24 public MessageParser(XmppConnectionService service) {
25 super(service);
26 }
27
28 private boolean extractChatState(Conversation conversation, final Element element) {
29 ChatState state = ChatState.parse(element);
30 if (state != null && conversation != null) {
31 final Account account = conversation.getAccount();
32 Jid from = element.getAttributeAsJid("from");
33 if (from != null && from.toBareJid().equals(account.getJid().toBareJid())) {
34 conversation.setOutgoingChatState(state);
35 return false;
36 } else {
37 return conversation.setIncomingChatState(state);
38 }
39 }
40 return false;
41 }
42
43 private Message parseChat(MessagePacket packet, Account account) {
44 final Jid jid = packet.getFrom();
45 if (jid == null) {
46 return null;
47 }
48 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid.toBareJid(), false);
49 String pgpBody = getPgpBody(packet);
50 Message finishedMessage;
51 if (pgpBody != null) {
52 finishedMessage = new Message(conversation,
53 pgpBody, Message.ENCRYPTION_PGP, Message.STATUS_RECEIVED);
54 } else {
55 finishedMessage = new Message(conversation,
56 packet.getBody(), Message.ENCRYPTION_NONE,
57 Message.STATUS_RECEIVED);
58 }
59 finishedMessage.setRemoteMsgId(packet.getId());
60 finishedMessage.markable = isMarkable(packet);
61 if (conversation.getMode() == Conversation.MODE_MULTI
62 && !jid.isBareJid()) {
63 final Jid trueCounterpart = conversation.getMucOptions()
64 .getTrueCounterpart(jid.getResourcepart());
65 if (trueCounterpart != null) {
66 updateLastseen(packet, account, trueCounterpart, false);
67 }
68 finishedMessage.setType(Message.TYPE_PRIVATE);
69 finishedMessage.setTrueCounterpart(trueCounterpart);
70 if (conversation.hasDuplicateMessage(finishedMessage)) {
71 return null;
72 }
73 } else {
74 updateLastseen(packet, account, true);
75 }
76 finishedMessage.setCounterpart(jid);
77 finishedMessage.setTime(getTimestamp(packet));
78 extractChatState(conversation,packet);
79 return finishedMessage;
80 }
81
82 private Message parseOtrChat(MessagePacket packet, Account account) {
83 final Jid to = packet.getTo();
84 final Jid from = packet.getFrom();
85 if (to == null || from == null) {
86 return null;
87 }
88 boolean properlyAddressed = !to.isBareJid() || account.countPresences() == 1;
89 Conversation conversation = mXmppConnectionService
90 .findOrCreateConversation(account, from.toBareJid(), false);
91 String presence;
92 if (from.isBareJid()) {
93 presence = "";
94 } else {
95 presence = from.getResourcepart();
96 }
97 updateLastseen(packet, account, true);
98 String body = packet.getBody();
99 if (body.matches("^\\?OTRv\\d{1,2}\\?.*")) {
100 conversation.endOtrIfNeeded();
101 }
102 if (!conversation.hasValidOtrSession()) {
103 if (properlyAddressed) {
104 conversation.startOtrSession(presence,false);
105 } else {
106 return null;
107 }
108 } else {
109 String foreignPresence = conversation.getOtrSession()
110 .getSessionID().getUserID();
111 if (!foreignPresence.equals(presence)) {
112 conversation.endOtrIfNeeded();
113 if (properlyAddressed) {
114 conversation.startOtrSession(presence, false);
115 } else {
116 return null;
117 }
118 }
119 }
120 try {
121 Session otrSession = conversation.getOtrSession();
122 SessionStatus before = otrSession.getSessionStatus();
123 body = otrSession.transformReceiving(body);
124 SessionStatus after = otrSession.getSessionStatus();
125 if ((before != after) && (after == SessionStatus.ENCRYPTED)) {
126 conversation.setNextEncryption(Message.ENCRYPTION_OTR);
127 mXmppConnectionService.onOtrSessionEstablished(conversation);
128 } else if ((before != after) && (after == SessionStatus.FINISHED)) {
129 conversation.setNextEncryption(Message.ENCRYPTION_NONE);
130 conversation.resetOtrSession();
131 mXmppConnectionService.updateConversationUi();
132 }
133 if ((body == null) || (body.isEmpty())) {
134 return null;
135 }
136 if (body.startsWith(CryptoHelper.FILETRANSFER)) {
137 String key = body.substring(CryptoHelper.FILETRANSFER.length());
138 conversation.setSymmetricKey(CryptoHelper.hexToBytes(key));
139 return null;
140 }
141 Message finishedMessage = new Message(conversation, body, Message.ENCRYPTION_OTR,
142 Message.STATUS_RECEIVED);
143 finishedMessage.setTime(getTimestamp(packet));
144 finishedMessage.setRemoteMsgId(packet.getId());
145 finishedMessage.markable = isMarkable(packet);
146 finishedMessage.setCounterpart(from);
147 extractChatState(conversation, packet);
148 return finishedMessage;
149 } catch (Exception e) {
150 conversation.resetOtrSession();
151 return null;
152 }
153 }
154
155 private Message parseGroupchat(MessagePacket packet, Account account) {
156 int status;
157 final Jid from = packet.getFrom();
158 if (from == null) {
159 return null;
160 }
161 if (mXmppConnectionService.find(account.pendingConferenceLeaves,
162 account, from.toBareJid()) != null) {
163 return null;
164 }
165 Conversation conversation = mXmppConnectionService
166 .findOrCreateConversation(account, from.toBareJid(), true);
167 final Jid trueCounterpart = conversation.getMucOptions().getTrueCounterpart(from.getResourcepart());
168 if (trueCounterpart != null) {
169 updateLastseen(packet, account, trueCounterpart, false);
170 }
171 if (packet.hasChild("subject")) {
172 conversation.setHasMessagesLeftOnServer(true);
173 conversation.getMucOptions().setSubject(packet.findChild("subject").getContent());
174 mXmppConnectionService.updateConversationUi();
175 return null;
176 }
177
178 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
179 if (from.isBareJid() && (x == null || !x.hasChild("status"))) {
180 return null;
181 } else if (from.isBareJid() && x.hasChild("status")) {
182 for(Element child : x.getChildren()) {
183 if (child.getName().equals("status")) {
184 String code = child.getAttribute("code");
185 if (code.contains(MucOptions.STATUS_CODE_ROOM_CONFIG_CHANGED)) {
186 mXmppConnectionService.fetchConferenceConfiguration(conversation);
187 }
188 }
189 }
190 return null;
191 }
192
193 if (from.getResourcepart().equals(conversation.getMucOptions().getActualNick())) {
194 if (mXmppConnectionService.markMessage(conversation,
195 packet.getId(), Message.STATUS_SEND_RECEIVED)) {
196 return null;
197 } else if (packet.getId() == null) {
198 Message message = conversation.findSentMessageWithBody(packet.getBody());
199 if (message != null) {
200 mXmppConnectionService.markMessage(message,Message.STATUS_SEND_RECEIVED);
201 return null;
202 } else {
203 status = Message.STATUS_SEND;
204 }
205 } else {
206 status = Message.STATUS_SEND;
207 }
208 } else {
209 status = Message.STATUS_RECEIVED;
210 }
211 String pgpBody = getPgpBody(packet);
212 Message finishedMessage;
213 if (pgpBody == null) {
214 finishedMessage = new Message(conversation,
215 packet.getBody(), Message.ENCRYPTION_NONE, status);
216 } else {
217 finishedMessage = new Message(conversation, pgpBody,
218 Message.ENCRYPTION_PGP, status);
219 }
220 finishedMessage.setRemoteMsgId(packet.getId());
221 finishedMessage.markable = isMarkable(packet);
222 finishedMessage.setCounterpart(from);
223 if (status == Message.STATUS_RECEIVED) {
224 finishedMessage.setTrueCounterpart(conversation.getMucOptions()
225 .getTrueCounterpart(from.getResourcepart()));
226 }
227 if (packet.hasChild("delay")
228 && conversation.hasDuplicateMessage(finishedMessage)) {
229 return null;
230 }
231 finishedMessage.setTime(getTimestamp(packet));
232 return finishedMessage;
233 }
234
235 private Message parseCarbonMessage(final MessagePacket packet, final Account account) {
236 int status;
237 final Jid fullJid;
238 Element forwarded;
239 if (packet.hasChild("received", "urn:xmpp:carbons:2")) {
240 forwarded = packet.findChild("received", "urn:xmpp:carbons:2")
241 .findChild("forwarded", "urn:xmpp:forward:0");
242 status = Message.STATUS_RECEIVED;
243 } else if (packet.hasChild("sent", "urn:xmpp:carbons:2")) {
244 forwarded = packet.findChild("sent", "urn:xmpp:carbons:2")
245 .findChild("forwarded", "urn:xmpp:forward:0");
246 status = Message.STATUS_SEND;
247 } else {
248 return null;
249 }
250 if (forwarded == null) {
251 return null;
252 }
253 Element message = forwarded.findChild("message");
254 if (message == null) {
255 return null;
256 }
257 if (!message.hasChild("body")) {
258 if (status == Message.STATUS_RECEIVED
259 && message.getAttribute("from") != null) {
260 parseNonMessage(message, account);
261 } else if (status == Message.STATUS_SEND
262 && message.hasChild("displayed", "urn:xmpp:chat-markers:0")) {
263 final Jid to = message.getAttributeAsJid("to");
264 if (to != null) {
265 final Conversation conversation = mXmppConnectionService.find(
266 mXmppConnectionService.getConversations(), account,
267 to.toBareJid());
268 if (conversation != null) {
269 mXmppConnectionService.markRead(conversation);
270 }
271 }
272 }
273 return null;
274 }
275 if (status == Message.STATUS_RECEIVED) {
276 fullJid = message.getAttributeAsJid("from");
277 if (fullJid == null) {
278 return null;
279 } else {
280 updateLastseen(message, account, true);
281 }
282 } else {
283 fullJid = message.getAttributeAsJid("to");
284 if (fullJid == null) {
285 return null;
286 }
287 }
288 if (message.hasChild("x","http://jabber.org/protocol/muc#user")
289 && "chat".equals(message.getAttribute("type"))) {
290 return null;
291 }
292 Conversation conversation = mXmppConnectionService
293 .findOrCreateConversation(account, fullJid.toBareJid(), false);
294 String pgpBody = getPgpBody(message);
295 Message finishedMessage;
296 if (pgpBody != null) {
297 finishedMessage = new Message(conversation, pgpBody,
298 Message.ENCRYPTION_PGP, status);
299 } else {
300 String body = message.findChild("body").getContent();
301 finishedMessage = new Message(conversation, body,
302 Message.ENCRYPTION_NONE, status);
303 }
304 extractChatState(conversation,message);
305 finishedMessage.setTime(getTimestamp(message));
306 finishedMessage.setRemoteMsgId(message.getAttribute("id"));
307 finishedMessage.markable = isMarkable(message);
308 finishedMessage.setCounterpart(fullJid);
309 if (conversation.getMode() == Conversation.MODE_MULTI
310 && !fullJid.isBareJid()) {
311 finishedMessage.setType(Message.TYPE_PRIVATE);
312 finishedMessage.setTrueCounterpart(conversation.getMucOptions()
313 .getTrueCounterpart(fullJid.getResourcepart()));
314 if (conversation.hasDuplicateMessage(finishedMessage)) {
315 return null;
316 }
317 }
318 return finishedMessage;
319 }
320
321 private Message parseMamMessage(MessagePacket packet, final Account account) {
322 final Element result = packet.findChild("result","urn:xmpp:mam:0");
323 if (result == null ) {
324 return null;
325 }
326 final MessageArchiveService.Query query = this.mXmppConnectionService.getMessageArchiveService().findQuery(result.getAttribute("queryid"));
327 if (query!=null) {
328 query.incrementTotalCount();
329 }
330 final Element forwarded = result.findChild("forwarded","urn:xmpp:forward:0");
331 if (forwarded == null) {
332 return null;
333 }
334 final Element message = forwarded.findChild("message");
335 if (message == null) {
336 return null;
337 }
338 final Element body = message.findChild("body");
339 if (body == null || message.hasChild("private","urn:xmpp:carbons:2") || message.hasChild("no-copy","urn:xmpp:hints")) {
340 return null;
341 }
342 int encryption;
343 String content = getPgpBody(message);
344 if (content != null) {
345 encryption = Message.ENCRYPTION_PGP;
346 } else {
347 encryption = Message.ENCRYPTION_NONE;
348 content = body.getContent();
349 }
350 if (content == null) {
351 return null;
352 }
353 final long timestamp = getTimestamp(forwarded);
354 final Jid to = message.getAttributeAsJid("to");
355 final Jid from = message.getAttributeAsJid("from");
356 Jid counterpart;
357 int status;
358 Conversation conversation;
359 if (from!=null && to != null && from.toBareJid().equals(account.getJid().toBareJid())) {
360 status = Message.STATUS_SEND;
361 conversation = this.mXmppConnectionService.findOrCreateConversation(account,to.toBareJid(),false,query);
362 counterpart = to;
363 } else if (from !=null && to != null) {
364 status = Message.STATUS_RECEIVED;
365 conversation = this.mXmppConnectionService.findOrCreateConversation(account,from.toBareJid(),false,query);
366 counterpart = from;
367 } else {
368 return null;
369 }
370 Message finishedMessage = new Message(conversation,content,encryption,status);
371 finishedMessage.setTime(timestamp);
372 finishedMessage.setCounterpart(counterpart);
373 finishedMessage.setRemoteMsgId(message.getAttribute("id"));
374 finishedMessage.setServerMsgId(result.getAttribute("id"));
375 if (conversation.hasDuplicateMessage(finishedMessage)) {
376 return null;
377 }
378 if (query!=null) {
379 query.incrementMessageCount();
380 }
381 return finishedMessage;
382 }
383
384 private void parseError(final MessagePacket packet, final Account account) {
385 final Jid from = packet.getFrom();
386 mXmppConnectionService.markMessage(account, from.toBareJid(),
387 packet.getId(), Message.STATUS_SEND_FAILED);
388 }
389
390 private void parseNonMessage(Element packet, Account account) {
391 final Jid from = packet.getAttributeAsJid("from");
392 if (extractChatState(from == null ? null : mXmppConnectionService.find(account,from), packet)) {
393 mXmppConnectionService.updateConversationUi();
394 }
395 Element invite = extractInvite(packet);
396 if (invite != null) {
397 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, from, true);
398 if (!conversation.getMucOptions().online()) {
399 Element password = invite.findChild("password");
400 conversation.getMucOptions().setPassword(password == null ? null : password.getContent());
401 mXmppConnectionService.databaseBackend.updateConversation(conversation);
402 mXmppConnectionService.joinMuc(conversation);
403 mXmppConnectionService.updateConversationUi();
404 }
405 }
406 if (packet.hasChild("event", "http://jabber.org/protocol/pubsub#event")) {
407 Element event = packet.findChild("event",
408 "http://jabber.org/protocol/pubsub#event");
409 parseEvent(event, from, account);
410 } else if (from != null && packet.hasChild("displayed", "urn:xmpp:chat-markers:0")) {
411 String id = packet
412 .findChild("displayed", "urn:xmpp:chat-markers:0")
413 .getAttribute("id");
414 updateLastseen(packet, account, true);
415 final Message displayedMessage = mXmppConnectionService.markMessage(account, from.toBareJid(), id, Message.STATUS_SEND_DISPLAYED);
416 Message message = displayedMessage == null ? null :displayedMessage.prev();
417 while (message != null
418 && message.getStatus() == Message.STATUS_SEND_RECEIVED
419 && message.getTimeSent() < displayedMessage.getTimeSent()) {
420 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_DISPLAYED);
421 message = message.prev();
422 }
423 } else if (from != null
424 && packet.hasChild("received", "urn:xmpp:chat-markers:0")) {
425 String id = packet.findChild("received", "urn:xmpp:chat-markers:0")
426 .getAttribute("id");
427 updateLastseen(packet, account, false);
428 mXmppConnectionService.markMessage(account, from.toBareJid(),
429 id, Message.STATUS_SEND_RECEIVED);
430 } else if (from != null
431 && packet.hasChild("received", "urn:xmpp:receipts")) {
432 String id = packet.findChild("received", "urn:xmpp:receipts")
433 .getAttribute("id");
434 updateLastseen(packet, account, false);
435 mXmppConnectionService.markMessage(account, from.toBareJid(),
436 id, Message.STATUS_SEND_RECEIVED);
437 }
438 }
439
440 private Element extractInvite(Element message) {
441 Element x = message.findChild("x","http://jabber.org/protocol/muc#user");
442 if (x == null) {
443 x = message.findChild("x","jabber:x:conference");
444 }
445 if (x != null && x.hasChild("invite")) {
446 return x;
447 } else {
448 return null;
449 }
450 }
451
452 private void parseEvent(final Element event, final Jid from, final Account account) {
453 Element items = event.findChild("items");
454 if (items == null) {
455 return;
456 }
457 String node = items.getAttribute("node");
458 if (node == null) {
459 return;
460 }
461 if (node.equals("urn:xmpp:avatar:metadata")) {
462 Avatar avatar = Avatar.parseMetadata(items);
463 if (avatar != null) {
464 avatar.owner = from;
465 if (mXmppConnectionService.getFileBackend().isAvatarCached(
466 avatar)) {
467 if (account.getJid().toBareJid().equals(from)) {
468 if (account.setAvatar(avatar.getFilename())) {
469 mXmppConnectionService.databaseBackend
470 .updateAccount(account);
471 }
472 mXmppConnectionService.getAvatarService().clear(
473 account);
474 mXmppConnectionService.updateConversationUi();
475 mXmppConnectionService.updateAccountUi();
476 } else {
477 Contact contact = account.getRoster().getContact(
478 from);
479 contact.setAvatar(avatar.getFilename());
480 mXmppConnectionService.getAvatarService().clear(
481 contact);
482 mXmppConnectionService.updateConversationUi();
483 mXmppConnectionService.updateRosterUi();
484 }
485 } else {
486 mXmppConnectionService.fetchAvatar(account, avatar);
487 }
488 }
489 } else if (node.equals("http://jabber.org/protocol/nick")) {
490 Element item = items.findChild("item");
491 if (item != null) {
492 Element nick = item.findChild("nick",
493 "http://jabber.org/protocol/nick");
494 if (nick != null) {
495 if (from != null) {
496 Contact contact = account.getRoster().getContact(
497 from);
498 contact.setPresenceName(nick.getContent());
499 mXmppConnectionService.getAvatarService().clear(account);
500 mXmppConnectionService.updateConversationUi();
501 mXmppConnectionService.updateAccountUi();
502 }
503 }
504 }
505 }
506 }
507
508 private String getPgpBody(Element message) {
509 Element child = message.findChild("x", "jabber:x:encrypted");
510 if (child == null) {
511 return null;
512 } else {
513 return child.getContent();
514 }
515 }
516
517 private boolean isMarkable(Element message) {
518 return message.hasChild("markable", "urn:xmpp:chat-markers:0");
519 }
520
521 @Override
522 public void onMessagePacketReceived(Account account, MessagePacket packet) {
523 Message message = null;
524 this.parseNick(packet, account);
525 if ((packet.getType() == MessagePacket.TYPE_CHAT || packet.getType() == MessagePacket.TYPE_NORMAL)) {
526 if ((packet.getBody() != null)
527 && (packet.getBody().startsWith("?OTR"))) {
528 message = this.parseOtrChat(packet, account);
529 if (message != null) {
530 message.markUnread();
531 }
532 } else if (packet.hasChild("body") && extractInvite(packet) == null) {
533 message = this.parseChat(packet, account);
534 if (message != null) {
535 message.markUnread();
536 }
537 } else if (packet.hasChild("received", "urn:xmpp:carbons:2")
538 || (packet.hasChild("sent", "urn:xmpp:carbons:2"))) {
539 message = this.parseCarbonMessage(packet, account);
540 if (message != null) {
541 if (message.getStatus() == Message.STATUS_SEND) {
542 account.activateGracePeriod();
543 mXmppConnectionService.markRead(message.getConversation());
544 } else {
545 message.markUnread();
546 }
547 }
548 } else if (packet.hasChild("result","urn:xmpp:mam:0")) {
549 message = parseMamMessage(packet, account);
550 if (message != null) {
551 Conversation conversation = message.getConversation();
552 conversation.add(message);
553 mXmppConnectionService.databaseBackend.createMessage(message);
554 }
555 return;
556 } else if (packet.hasChild("fin","urn:xmpp:mam:0")) {
557 Element fin = packet.findChild("fin","urn:xmpp:mam:0");
558 mXmppConnectionService.getMessageArchiveService().processFin(fin);
559 } else {
560 parseNonMessage(packet, account);
561 }
562 } else if (packet.getType() == MessagePacket.TYPE_GROUPCHAT) {
563 message = this.parseGroupchat(packet, account);
564 if (message != null) {
565 if (message.getStatus() == Message.STATUS_RECEIVED) {
566 message.markUnread();
567 } else {
568 mXmppConnectionService.markRead(message.getConversation());
569 account.activateGracePeriod();
570 }
571 }
572 } else if (packet.getType() == MessagePacket.TYPE_ERROR) {
573 this.parseError(packet, account);
574 return;
575 } else if (packet.getType() == MessagePacket.TYPE_HEADLINE) {
576 this.parseHeadline(packet, account);
577 return;
578 }
579 if ((message == null) || (message.getBody() == null)) {
580 return;
581 }
582 if ((mXmppConnectionService.confirmMessages())
583 && ((packet.getId() != null))) {
584 if (packet.hasChild("markable", "urn:xmpp:chat-markers:0")) {
585 MessagePacket receipt = mXmppConnectionService
586 .getMessageGenerator().received(account, packet,
587 "urn:xmpp:chat-markers:0");
588 mXmppConnectionService.sendMessagePacket(account, receipt);
589 }
590 if (packet.hasChild("request", "urn:xmpp:receipts")) {
591 MessagePacket receipt = mXmppConnectionService
592 .getMessageGenerator().received(account, packet,
593 "urn:xmpp:receipts");
594 mXmppConnectionService.sendMessagePacket(account, receipt);
595 }
596 }
597 Conversation conversation = message.getConversation();
598 conversation.add(message);
599 if (account.getXmppConnection() != null && account.getXmppConnection().getFeatures().advancedStreamFeaturesLoaded()) {
600 if (conversation.setLastMessageTransmitted(System.currentTimeMillis())) {
601 mXmppConnectionService.updateConversation(conversation);
602 }
603 }
604
605 if (message.getStatus() == Message.STATUS_RECEIVED
606 && conversation.getOtrSession() != null
607 && !conversation.getOtrSession().getSessionID().getUserID()
608 .equals(message.getCounterpart().getResourcepart())) {
609 conversation.endOtrIfNeeded();
610 }
611
612 if (packet.getType() != MessagePacket.TYPE_ERROR) {
613 if (message.getEncryption() == Message.ENCRYPTION_NONE
614 || mXmppConnectionService.saveEncryptedMessages()) {
615 mXmppConnectionService.databaseBackend.createMessage(message);
616 }
617 }
618 final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
619 if (message.trusted() && message.bodyContainsDownloadable() && manager.getAutoAcceptFileSize() > 0) {
620 manager.createNewConnection(message);
621 } else if (!message.isRead()) {
622 mXmppConnectionService.getNotificationService().push(message);
623 }
624 mXmppConnectionService.updateConversationUi();
625 }
626
627 private void parseHeadline(MessagePacket packet, Account account) {
628 if (packet.hasChild("event", "http://jabber.org/protocol/pubsub#event")) {
629 Element event = packet.findChild("event",
630 "http://jabber.org/protocol/pubsub#event");
631 parseEvent(event, packet.getFrom(), account);
632 }
633 }
634
635 private void parseNick(MessagePacket packet, Account account) {
636 Element nick = packet.findChild("nick",
637 "http://jabber.org/protocol/nick");
638 if (nick != null) {
639 if (packet.getFrom() != null) {
640 Contact contact = account.getRoster().getContact(
641 packet.getFrom());
642 contact.setPresenceName(nick.getContent());
643 }
644 }
645 }
646}