1package eu.siacs.conversations.parser;
2
3import android.text.Html;
4import android.util.Log;
5import android.util.Pair;
6
7import net.java.otr4j.session.Session;
8import net.java.otr4j.session.SessionStatus;
9
10import java.text.SimpleDateFormat;
11import java.util.ArrayList;
12import java.util.Arrays;
13import java.util.Date;
14import java.util.List;
15import java.util.Set;
16import java.util.UUID;
17
18import eu.siacs.conversations.Config;
19import eu.siacs.conversations.crypto.OtrService;
20import eu.siacs.conversations.crypto.axolotl.AxolotlService;
21import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
22import eu.siacs.conversations.entities.Account;
23import eu.siacs.conversations.entities.Bookmark;
24import eu.siacs.conversations.entities.Contact;
25import eu.siacs.conversations.entities.Conversation;
26import eu.siacs.conversations.entities.Message;
27import eu.siacs.conversations.entities.MucOptions;
28import eu.siacs.conversations.entities.Presence;
29import eu.siacs.conversations.entities.ServiceDiscoveryResult;
30import eu.siacs.conversations.http.HttpConnectionManager;
31import eu.siacs.conversations.services.MessageArchiveService;
32import eu.siacs.conversations.services.XmppConnectionService;
33import eu.siacs.conversations.utils.CryptoHelper;
34import eu.siacs.conversations.xml.Element;
35import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
36import eu.siacs.conversations.xmpp.chatstate.ChatState;
37import eu.siacs.conversations.xmpp.jid.Jid;
38import eu.siacs.conversations.xmpp.pep.Avatar;
39import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
40
41public class MessageParser extends AbstractParser implements OnMessagePacketReceived {
42
43 private static final List<String> CLIENTS_SENDING_HTML_IN_OTR = Arrays.asList("Pidgin","Adium","Trillian");
44
45 public MessageParser(XmppConnectionService service) {
46 super(service);
47 }
48
49 private boolean extractChatState(Conversation conversation, final MessagePacket packet) {
50 ChatState state = ChatState.parse(packet);
51 if (state != null && conversation != null) {
52 final Account account = conversation.getAccount();
53 Jid from = packet.getFrom();
54 if (from.toBareJid().equals(account.getJid().toBareJid())) {
55 conversation.setOutgoingChatState(state);
56 if (state == ChatState.ACTIVE || state == ChatState.COMPOSING) {
57 mXmppConnectionService.markRead(conversation);
58 activateGracePeriod(account);
59 }
60 return false;
61 } else {
62 return conversation.setIncomingChatState(state);
63 }
64 }
65 return false;
66 }
67
68 private Message parseOtrChat(String body, Jid from, String id, Conversation conversation) {
69 String presence;
70 if (from.isBareJid()) {
71 presence = "";
72 } else {
73 presence = from.getResourcepart();
74 }
75 if (body.matches("^\\?OTRv\\d{1,2}\\?.*")) {
76 conversation.endOtrIfNeeded();
77 }
78 if (!conversation.hasValidOtrSession()) {
79 conversation.startOtrSession(presence,false);
80 } else {
81 String foreignPresence = conversation.getOtrSession().getSessionID().getUserID();
82 if (!foreignPresence.equals(presence)) {
83 conversation.endOtrIfNeeded();
84 conversation.startOtrSession(presence, false);
85 }
86 }
87 try {
88 conversation.setLastReceivedOtrMessageId(id);
89 Session otrSession = conversation.getOtrSession();
90 body = otrSession.transformReceiving(body);
91 SessionStatus status = otrSession.getSessionStatus();
92 if (body == null && status == SessionStatus.ENCRYPTED) {
93 mXmppConnectionService.onOtrSessionEstablished(conversation);
94 return null;
95 } else if (body == null && status == SessionStatus.FINISHED) {
96 conversation.resetOtrSession();
97 mXmppConnectionService.updateConversationUi();
98 return null;
99 } else if (body == null || (body.isEmpty())) {
100 return null;
101 }
102 if (body.startsWith(CryptoHelper.FILETRANSFER)) {
103 String key = body.substring(CryptoHelper.FILETRANSFER.length());
104 conversation.setSymmetricKey(CryptoHelper.hexToBytes(key));
105 return null;
106 }
107 if (clientMightSendHtml(conversation.getAccount(), from)) {
108 Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+": received OTR message from bad behaving client. escaping HTML…");
109 body = Html.fromHtml(body).toString();
110 }
111
112 final OtrService otrService = conversation.getAccount().getOtrService();
113 Message finishedMessage = new Message(conversation, body, Message.ENCRYPTION_OTR, Message.STATUS_RECEIVED);
114 finishedMessage.setFingerprint(otrService.getFingerprint(otrSession.getRemotePublicKey()));
115 conversation.setLastReceivedOtrMessageId(null);
116
117 return finishedMessage;
118 } catch (Exception e) {
119 conversation.resetOtrSession();
120 return null;
121 }
122 }
123
124 private static boolean clientMightSendHtml(Account account, Jid from) {
125 String resource = from.getResourcepart();
126 if (resource == null) {
127 return false;
128 }
129 Presence presence = account.getRoster().getContact(from).getPresences().getPresences().get(resource);
130 ServiceDiscoveryResult disco = presence == null ? null : presence.getServiceDiscoveryResult();
131 if (disco == null) {
132 return false;
133 }
134 return hasIdentityKnowForSendingHtml(disco.getIdentities());
135 }
136
137 private static boolean hasIdentityKnowForSendingHtml(List<ServiceDiscoveryResult.Identity> identities) {
138 for(ServiceDiscoveryResult.Identity identity : identities) {
139 if (identity.getName() != null) {
140 if (CLIENTS_SENDING_HTML_IN_OTR.contains(identity.getName())) {
141 return true;
142 }
143 }
144 }
145 return false;
146 }
147
148 private Message parseAxolotlChat(Element axolotlMessage, Jid from, Conversation conversation, int status) {
149 AxolotlService service = conversation.getAccount().getAxolotlService();
150 XmppAxolotlMessage xmppAxolotlMessage;
151 try {
152 xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlMessage, from.toBareJid());
153 } catch (Exception e) {
154 Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+": invalid omemo message received "+e.getMessage());
155 return null;
156 }
157 XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage = service.processReceivingPayloadMessage(xmppAxolotlMessage);
158 if(plaintextMessage != null) {
159 Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);
160 finishedMessage.setFingerprint(plaintextMessage.getFingerprint());
161 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(finishedMessage.getConversation().getAccount())+" Received Message with session fingerprint: "+plaintextMessage.getFingerprint());
162 return finishedMessage;
163 } else {
164 return null;
165 }
166 }
167
168 private class Invite {
169 Jid jid;
170 String password;
171 Invite(Jid jid, String password) {
172 this.jid = jid;
173 this.password = password;
174 }
175
176 public boolean execute(Account account) {
177 if (jid != null) {
178 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid, true);
179 if (!conversation.getMucOptions().online()) {
180 conversation.getMucOptions().setPassword(password);
181 mXmppConnectionService.databaseBackend.updateConversation(conversation);
182 mXmppConnectionService.joinMuc(conversation);
183 mXmppConnectionService.updateConversationUi();
184 }
185 return true;
186 }
187 return false;
188 }
189 }
190
191 private Invite extractInvite(Element message) {
192 Element x = message.findChild("x", "http://jabber.org/protocol/muc#user");
193 if (x != null) {
194 Element invite = x.findChild("invite");
195 if (invite != null) {
196 Element pw = x.findChild("password");
197 return new Invite(message.getAttributeAsJid("from"), pw != null ? pw.getContent(): null);
198 }
199 } else {
200 x = message.findChild("x","jabber:x:conference");
201 if (x != null) {
202 return new Invite(x.getAttributeAsJid("jid"),x.getAttribute("password"));
203 }
204 }
205 return null;
206 }
207
208 private static String extractStanzaId(Element packet, Jid by) {
209 for(Element child : packet.getChildren()) {
210 if (child.getName().equals("stanza-id")
211 && "urn:xmpp:sid:0".equals(child.getNamespace())
212 && by.equals(child.getAttributeAsJid("by"))) {
213 return child.getAttribute("id");
214 }
215 }
216 return null;
217 }
218
219 private void parseEvent(final Element event, final Jid from, final Account account) {
220 Element items = event.findChild("items");
221 String node = items == null ? null : items.getAttribute("node");
222 if ("urn:xmpp:avatar:metadata".equals(node)) {
223 Avatar avatar = Avatar.parseMetadata(items);
224 if (avatar != null) {
225 avatar.owner = from.toBareJid();
226 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
227 if (account.getJid().toBareJid().equals(from)) {
228 if (account.setAvatar(avatar.getFilename())) {
229 mXmppConnectionService.databaseBackend.updateAccount(account);
230 }
231 mXmppConnectionService.getAvatarService().clear(account);
232 mXmppConnectionService.updateConversationUi();
233 mXmppConnectionService.updateAccountUi();
234 } else {
235 Contact contact = account.getRoster().getContact(from);
236 contact.setAvatar(avatar);
237 mXmppConnectionService.getAvatarService().clear(contact);
238 mXmppConnectionService.updateConversationUi();
239 mXmppConnectionService.updateRosterUi();
240 }
241 } else if (mXmppConnectionService.isDataSaverDisabled()) {
242 mXmppConnectionService.fetchAvatar(account, avatar);
243 }
244 }
245 } else if ("http://jabber.org/protocol/nick".equals(node)) {
246 Element i = items.findChild("item");
247 Element nick = i == null ? null : i.findChild("nick", "http://jabber.org/protocol/nick");
248 if (nick != null && nick.getContent() != null) {
249 Contact contact = account.getRoster().getContact(from);
250 contact.setPresenceName(nick.getContent());
251 mXmppConnectionService.getAvatarService().clear(account);
252 mXmppConnectionService.updateConversationUi();
253 mXmppConnectionService.updateAccountUi();
254 }
255 } else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) {
256 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Received PEP device list update from "+ from + ", processing...");
257 Element item = items.findChild("item");
258 Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
259 AxolotlService axolotlService = account.getAxolotlService();
260 axolotlService.registerDevices(from, deviceIds);
261 mXmppConnectionService.updateAccountUi();
262 }
263 }
264
265 private boolean handleErrorMessage(Account account, MessagePacket packet) {
266 if (packet.getType() == MessagePacket.TYPE_ERROR) {
267 Jid from = packet.getFrom();
268 if (from != null) {
269 Message message = mXmppConnectionService.markMessage(account,
270 from.toBareJid(),
271 packet.getId(),
272 Message.STATUS_SEND_FAILED,
273 extractErrorMessage(packet));
274 if (message != null) {
275 if (message.getEncryption() == Message.ENCRYPTION_OTR) {
276 message.getConversation().endOtrIfNeeded();
277 }
278 }
279 }
280 return true;
281 }
282 return false;
283 }
284
285 @Override
286 public void onMessagePacketReceived(Account account, MessagePacket original) {
287 if (handleErrorMessage(account, original)) {
288 return;
289 }
290 final MessagePacket packet;
291 Long timestamp = null;
292 final boolean isForwarded;
293 boolean isCarbon = false;
294 String serverMsgId = null;
295 final Element fin = original.findChild("fin", "urn:xmpp:mam:0");
296 if (fin != null) {
297 mXmppConnectionService.getMessageArchiveService().processFin(fin,original.getFrom());
298 return;
299 }
300 final Element result = original.findChild("result","urn:xmpp:mam:0");
301 final MessageArchiveService.Query query = result == null ? null : mXmppConnectionService.getMessageArchiveService().findQuery(result.getAttribute("queryid"));
302 if (query != null && query.validFrom(original.getFrom())) {
303 Pair<MessagePacket, Long> f = original.getForwardedMessagePacket("result", "urn:xmpp:mam:0");
304 if (f == null) {
305 return;
306 }
307 timestamp = f.second;
308 packet = f.first;
309 isForwarded = true;
310 serverMsgId = result.getAttribute("id");
311 query.incrementMessageCount();
312 } else if (query != null) {
313 Log.d(Config.LOGTAG,account.getJid().toBareJid()+": received mam result from invalid sender");
314 return;
315 } else if (original.fromServer(account)) {
316 Pair<MessagePacket, Long> f;
317 f = original.getForwardedMessagePacket("received", "urn:xmpp:carbons:2");
318 f = f == null ? original.getForwardedMessagePacket("sent", "urn:xmpp:carbons:2") : f;
319 packet = f != null ? f.first : original;
320 if (handleErrorMessage(account, packet)) {
321 return;
322 }
323 timestamp = f != null ? f.second : null;
324 isCarbon = f != null;
325 isForwarded = isCarbon;
326 } else {
327 packet = original;
328 isForwarded = false;
329 }
330
331 if (timestamp == null) {
332 timestamp = AbstractParser.parseTimestamp(original,AbstractParser.parseTimestamp(packet));
333 }
334 final String body = packet.getBody();
335 final Element mucUserElement = packet.findChild("x", "http://jabber.org/protocol/muc#user");
336 final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
337 final Element replaceElement = packet.findChild("replace", "urn:xmpp:message-correct:0");
338 final Element oob = packet.findChild("x", "jabber:x:oob");
339 final boolean isOob = oob!= null && body != null && body.equals(oob.findChildContent("url"));
340 final String replacementId = replaceElement == null ? null : replaceElement.getAttribute("id");
341 final Element axolotlEncrypted = packet.findChild(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX);
342 int status;
343 final Jid counterpart;
344 final Jid to = packet.getTo();
345 final Jid from = packet.getFrom();
346 final String remoteMsgId = packet.getId();
347 boolean notify = false;
348
349 if (from == null) {
350 Log.d(Config.LOGTAG,"no from in: "+packet.toString());
351 return;
352 }
353
354 boolean isTypeGroupChat = packet.getType() == MessagePacket.TYPE_GROUPCHAT;
355 boolean isProperlyAddressed = (to != null ) && (!to.isBareJid() || account.countPresences() == 0);
356 boolean isMucStatusMessage = from.isBareJid() && mucUserElement != null && mucUserElement.hasChild("status");
357 if (packet.fromAccount(account)) {
358 status = Message.STATUS_SEND;
359 counterpart = to != null ? to : account.getJid();
360 } else {
361 status = Message.STATUS_RECEIVED;
362 counterpart = from;
363 }
364
365 Invite invite = extractInvite(packet);
366 if (invite != null && invite.execute(account)) {
367 return;
368 }
369
370 if (!isTypeGroupChat
371 && query == null
372 && extractChatState(mXmppConnectionService.find(account, counterpart.toBareJid()), packet)) {
373 mXmppConnectionService.updateConversationUi();
374 }
375
376 if ((body != null || pgpEncrypted != null || axolotlEncrypted != null) && !isMucStatusMessage) {
377 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.toBareJid(), isTypeGroupChat, query);
378 final boolean conversationMultiMode = conversation.getMode() == Conversation.MODE_MULTI;
379 if (isTypeGroupChat) {
380 if (counterpart.getResourcepart().equals(conversation.getMucOptions().getActualNick())) {
381 status = Message.STATUS_SEND_RECEIVED;
382 isCarbon = true; //not really carbon but received from another resource
383 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, status)) {
384 return;
385 } else if (remoteMsgId == null || Config.IGNORE_ID_REWRITE_IN_MUC) {
386 Message message = conversation.findSentMessageWithBody(packet.getBody());
387 if (message != null) {
388 mXmppConnectionService.markMessage(message, status);
389 return;
390 }
391 }
392 } else {
393 status = Message.STATUS_RECEIVED;
394 }
395 }
396 final Message message;
397 if (body != null && body.startsWith("?OTR") && Config.supportOtr()) {
398 if (!isForwarded && !isTypeGroupChat && isProperlyAddressed && !conversationMultiMode) {
399 message = parseOtrChat(body, from, remoteMsgId, conversation);
400 if (message == null) {
401 return;
402 }
403 } else {
404 Log.d(Config.LOGTAG,account.getJid().toBareJid()+": ignoring OTR message from "+from+" isForwarded="+Boolean.toString(isForwarded)+", isProperlyAddressed="+Boolean.valueOf(isProperlyAddressed));
405 message = new Message(conversation, body, Message.ENCRYPTION_NONE, status);
406 }
407 } else if (pgpEncrypted != null && Config.supportOpenPgp()) {
408 message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status);
409 } else if (axolotlEncrypted != null && Config.supportOmemo()) {
410 Jid origin;
411 if (conversationMultiMode) {
412 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
413 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
414 if (origin == null) {
415 Log.d(Config.LOGTAG,"axolotl message in non anonymous conference received");
416 return;
417 }
418 } else {
419 origin = from;
420 }
421 message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status);
422 if (message == null) {
423 return;
424 }
425 if (conversationMultiMode) {
426 message.setTrueCounterpart(origin);
427 }
428 } else {
429 message = new Message(conversation, body, Message.ENCRYPTION_NONE, status);
430 }
431
432 if (serverMsgId == null) {
433 serverMsgId = extractStanzaId(packet, isTypeGroupChat ? conversation.getJid().toBareJid() : account.getServer());
434 }
435
436 message.setCounterpart(counterpart);
437 message.setRemoteMsgId(remoteMsgId);
438 message.setServerMsgId(serverMsgId);
439 message.setCarbon(isCarbon);
440 message.setTime(timestamp);
441 message.setOob(isOob);
442 message.markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
443 if (conversationMultiMode) {
444 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
445 Jid trueCounterpart;
446 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
447 trueCounterpart = message.getTrueCounterpart();
448 } else if (Config.PARSE_REAL_JID_FROM_MUC_MAM) {
449 trueCounterpart = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
450 } else {
451 trueCounterpart = fallback;
452 }
453 if (trueCounterpart != null && trueCounterpart.toBareJid().equals(account.getJid().toBareJid())) {
454 status = isTypeGroupChat ? Message.STATUS_SEND_RECEIVED : Message.STATUS_SEND;
455 }
456 message.setStatus(status);
457 message.setTrueCounterpart(trueCounterpart);
458 if (!isTypeGroupChat) {
459 message.setType(Message.TYPE_PRIVATE);
460 }
461 } else {
462 updateLastseen(account, from);
463 }
464
465 if (replacementId != null && mXmppConnectionService.allowMessageCorrection()) {
466 Message replacedMessage = conversation.findMessageWithRemoteIdAndCounterpart(replacementId,
467 counterpart,
468 message.getStatus() == Message.STATUS_RECEIVED,
469 message.isCarbon());
470 if (replacedMessage != null) {
471 final boolean fingerprintsMatch = replacedMessage.getFingerprint() == null
472 || replacedMessage.getFingerprint().equals(message.getFingerprint());
473 final boolean trueCountersMatch = replacedMessage.getTrueCounterpart() != null
474 && replacedMessage.getTrueCounterpart().equals(message.getTrueCounterpart());
475 if (fingerprintsMatch && (trueCountersMatch || !conversationMultiMode)) {
476 Log.d(Config.LOGTAG, "replaced message '" + replacedMessage.getBody() + "' with '" + message.getBody() + "'");
477 synchronized (replacedMessage) {
478 final String uuid = replacedMessage.getUuid();
479 replacedMessage.setUuid(UUID.randomUUID().toString());
480 replacedMessage.setBody(message.getBody());
481 replacedMessage.setEdited(replacedMessage.getRemoteMsgId());
482 replacedMessage.setRemoteMsgId(remoteMsgId);
483 replacedMessage.setEncryption(message.getEncryption());
484 if (replacedMessage.getStatus() == Message.STATUS_RECEIVED) {
485 replacedMessage.markUnread();
486 }
487 mXmppConnectionService.updateMessage(replacedMessage, uuid);
488 mXmppConnectionService.getNotificationService().updateNotification(false);
489 if (mXmppConnectionService.confirmMessages() && remoteMsgId != null && !isForwarded && !isTypeGroupChat) {
490 sendMessageReceipts(account, packet);
491 }
492 if (replacedMessage.getEncryption() == Message.ENCRYPTION_PGP) {
493 conversation.getAccount().getPgpDecryptionService().discard(replacedMessage);
494 conversation.getAccount().getPgpDecryptionService().decrypt(replacedMessage, false);
495 }
496 }
497 return;
498 } else {
499 Log.d(Config.LOGTAG,account.getJid().toBareJid()+": received message correction but verification didn't check out");
500 }
501 }
502 }
503
504 boolean checkForDuplicates = query != null
505 || (isTypeGroupChat && packet.hasChild("delay","urn:xmpp:delay"))
506 || message.getType() == Message.TYPE_PRIVATE;
507 if (checkForDuplicates && conversation.hasDuplicateMessage(message)) {
508 Log.d(Config.LOGTAG,"skipping duplicate message from "+message.getCounterpart().toString()+" "+message.getBody());
509 return;
510 }
511
512 if (query != null && query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
513 conversation.prepend(message);
514 } else {
515 conversation.add(message);
516 }
517
518 if (query == null || query.getWith() == null) { //either no mam or catchup
519 if (status == Message.STATUS_SEND || status == Message.STATUS_SEND_RECEIVED) {
520 mXmppConnectionService.markRead(conversation);
521 if (query == null) {
522 activateGracePeriod(account);
523 }
524 } else {
525 message.markUnread();
526 notify = true;
527 }
528 }
529
530 if (message.getEncryption() == Message.ENCRYPTION_PGP) {
531 notify = conversation.getAccount().getPgpDecryptionService().decrypt(message, notify);
532 }
533
534 if (query == null) {
535 mXmppConnectionService.updateConversationUi();
536 }
537
538 if (mXmppConnectionService.confirmMessages()
539 && message.trusted()
540 && remoteMsgId != null
541 && !isForwarded
542 && !isTypeGroupChat) {
543 sendMessageReceipts(account, packet);
544 }
545
546 if (message.getStatus() == Message.STATUS_RECEIVED
547 && conversation.getOtrSession() != null
548 && !conversation.getOtrSession().getSessionID().getUserID()
549 .equals(message.getCounterpart().getResourcepart())) {
550 conversation.endOtrIfNeeded();
551 }
552
553 if (message.getEncryption() == Message.ENCRYPTION_NONE || mXmppConnectionService.saveEncryptedMessages()) {
554 mXmppConnectionService.databaseBackend.createMessage(message);
555 }
556 final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
557 if (message.trusted() && message.treatAsDownloadable() != Message.Decision.NEVER && manager.getAutoAcceptFileSize() > 0) {
558 manager.createNewDownloadConnection(message);
559 } else if (notify) {
560 if (query == null) {
561 mXmppConnectionService.getNotificationService().push(message);
562 } else if (query.getWith() == null) { // mam catchup
563 mXmppConnectionService.getNotificationService().pushFromBacklog(message);
564 }
565 }
566 } else if (!packet.hasChild("body")){ //no body
567 Conversation conversation = mXmppConnectionService.find(account, from.toBareJid());
568 if (isTypeGroupChat) {
569 if (packet.hasChild("subject")) {
570 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
571 conversation.setHasMessagesLeftOnServer(conversation.countMessages() > 0);
572 String subject = packet.findChildContent("subject");
573 conversation.getMucOptions().setSubject(subject);
574 final Bookmark bookmark = conversation.getBookmark();
575 if (bookmark != null && bookmark.getBookmarkName() == null) {
576 if (bookmark.setBookmarkName(subject)) {
577 mXmppConnectionService.pushBookmarks(account);
578 }
579 }
580 mXmppConnectionService.updateConversationUi();
581 return;
582 }
583 }
584 }
585 if (conversation != null && mucUserElement != null && from.isBareJid()) {
586 for (Element child : mucUserElement.getChildren()) {
587 if ("status".equals(child.getName())) {
588 try {
589 int code = Integer.parseInt(child.getAttribute("code"));
590 if ((code >= 170 && code <= 174) || (code >= 102 && code <= 104)) {
591 mXmppConnectionService.fetchConferenceConfiguration(conversation);
592 break;
593 }
594 } catch (Exception e) {
595 //ignored
596 }
597 } else if ("item".equals(child.getName())) {
598 MucOptions.User user = AbstractParser.parseItem(conversation,child);
599 Log.d(Config.LOGTAG,account.getJid()+": changing affiliation for "
600 +user.getRealJid()+" to "+user.getAffiliation()+" in "
601 +conversation.getJid().toBareJid());
602 if (!user.realJidMatchesAccount()) {
603 conversation.getMucOptions().addUser(user);
604 mXmppConnectionService.getAvatarService().clear(conversation);
605 mXmppConnectionService.updateMucRosterUi();
606 mXmppConnectionService.updateConversationUi();
607 }
608 }
609 }
610 }
611 }
612
613
614
615 Element received = packet.findChild("received", "urn:xmpp:chat-markers:0");
616 if (received == null) {
617 received = packet.findChild("received", "urn:xmpp:receipts");
618 }
619 if (received != null && !packet.fromAccount(account)) {
620 mXmppConnectionService.markMessage(account, from.toBareJid(), received.getAttribute("id"), Message.STATUS_SEND_RECEIVED);
621 }
622 Element displayed = packet.findChild("displayed", "urn:xmpp:chat-markers:0");
623 if (displayed != null) {
624 if (packet.fromAccount(account)) {
625 Conversation conversation = mXmppConnectionService.find(account,counterpart.toBareJid());
626 if (conversation != null) {
627 mXmppConnectionService.markRead(conversation);
628 }
629 } else {
630 final Message displayedMessage = mXmppConnectionService.markMessage(account, from.toBareJid(), displayed.getAttribute("id"), Message.STATUS_SEND_DISPLAYED);
631 Message message = displayedMessage == null ? null : displayedMessage.prev();
632 while (message != null
633 && message.getStatus() == Message.STATUS_SEND_RECEIVED
634 && message.getTimeSent() < displayedMessage.getTimeSent()) {
635 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_DISPLAYED);
636 message = message.prev();
637 }
638 }
639 }
640
641 Element event = packet.findChild("event", "http://jabber.org/protocol/pubsub#event");
642 if (event != null) {
643 parseEvent(event, from, account);
644 }
645
646 String nick = packet.findChildContent("nick", "http://jabber.org/protocol/nick");
647 if (nick != null) {
648 Contact contact = account.getRoster().getContact(from);
649 contact.setPresenceName(nick);
650 }
651 }
652
653 private static Jid getTrueCounterpart(Element mucUserElement, Jid fallback) {
654 final Element item = mucUserElement == null ? null : mucUserElement.findChild("item");
655 Jid result = item == null ? null : item.getAttributeAsJid("jid");
656 return result != null ? result : fallback;
657 }
658
659 private void sendMessageReceipts(Account account, MessagePacket packet) {
660 ArrayList<String> receiptsNamespaces = new ArrayList<>();
661 if (packet.hasChild("markable", "urn:xmpp:chat-markers:0")) {
662 receiptsNamespaces.add("urn:xmpp:chat-markers:0");
663 }
664 if (packet.hasChild("request", "urn:xmpp:receipts")) {
665 receiptsNamespaces.add("urn:xmpp:receipts");
666 }
667 if (receiptsNamespaces.size() > 0) {
668 MessagePacket receipt = mXmppConnectionService.getMessageGenerator().received(account,
669 packet,
670 receiptsNamespaces,
671 packet.getType());
672 mXmppConnectionService.sendMessagePacket(account, receipt);
673 }
674 }
675
676 private static SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss");
677
678 private void activateGracePeriod(Account account) {
679 long duration = mXmppConnectionService.getPreferences().getLong("race_period_length", 144) * 1000;
680 Log.d(Config.LOGTAG,account.getJid().toBareJid()+": activating grace period till "+TIME_FORMAT.format(new Date(System.currentTimeMillis() + duration)));
681 account.activateGracePeriod(duration);
682 }
683}