1package eu.siacs.conversations.parser;
2
3import android.util.Log;
4import android.util.Pair;
5
6import java.net.URL;
7import java.text.SimpleDateFormat;
8import java.util.ArrayList;
9import java.util.Arrays;
10import java.util.Collections;
11import java.util.Date;
12import java.util.List;
13import java.util.Locale;
14import java.util.Set;
15import java.util.UUID;
16
17import eu.siacs.conversations.Config;
18import eu.siacs.conversations.R;
19import eu.siacs.conversations.crypto.axolotl.AxolotlService;
20import eu.siacs.conversations.crypto.axolotl.NotEncryptedForThisDeviceException;
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.ReadByMarker;
29import eu.siacs.conversations.entities.ReceiptRequest;
30import eu.siacs.conversations.http.HttpConnectionManager;
31import eu.siacs.conversations.http.P1S3UrlStreamHandler;
32import eu.siacs.conversations.services.MessageArchiveService;
33import eu.siacs.conversations.services.XmppConnectionService;
34import eu.siacs.conversations.utils.CryptoHelper;
35import eu.siacs.conversations.xml.Namespace;
36import eu.siacs.conversations.xml.Element;
37import eu.siacs.conversations.xmpp.InvalidJid;
38import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
39import eu.siacs.conversations.xmpp.chatstate.ChatState;
40import eu.siacs.conversations.xmpp.pep.Avatar;
41import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
42import rocks.xmpp.addr.Jid;
43
44public class MessageParser extends AbstractParser implements OnMessagePacketReceived {
45
46 private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss", Locale.ENGLISH);
47
48 public MessageParser(XmppConnectionService service) {
49 super(service);
50 }
51
52 private static String extractStanzaId(Element packet, boolean isTypeGroupChat, Conversation conversation) {
53 final Jid by;
54 final boolean safeToExtract;
55 if (isTypeGroupChat) {
56 by = conversation.getJid().asBareJid();
57 safeToExtract = conversation.getMucOptions().hasFeature(Namespace.STANZA_IDS);
58 } else {
59 Account account = conversation.getAccount();
60 by = account.getJid().asBareJid();
61 safeToExtract = account.getXmppConnection().getFeatures().stanzaIds();
62 }
63 return safeToExtract ? extractStanzaId(packet, by) : null;
64 }
65
66 private static String extractStanzaId(Element packet, Jid by) {
67 for (Element child : packet.getChildren()) {
68 if (child.getName().equals("stanza-id")
69 && Namespace.STANZA_IDS.equals(child.getNamespace())
70 && by.equals(InvalidJid.getNullForInvalid(child.getAttributeAsJid("by")))) {
71 return child.getAttribute("id");
72 }
73 }
74 return null;
75 }
76
77 private static Jid getTrueCounterpart(Element mucUserElement, Jid fallback) {
78 final Element item = mucUserElement == null ? null : mucUserElement.findChild("item");
79 Jid result = item == null ? null : InvalidJid.getNullForInvalid(item.getAttributeAsJid("jid"));
80 return result != null ? result : fallback;
81 }
82
83 private boolean extractChatState(Conversation c, final boolean isTypeGroupChat, final MessagePacket packet) {
84 ChatState state = ChatState.parse(packet);
85 if (state != null && c != null) {
86 final Account account = c.getAccount();
87 Jid from = packet.getFrom();
88 if (from.asBareJid().equals(account.getJid().asBareJid())) {
89 c.setOutgoingChatState(state);
90 if (state == ChatState.ACTIVE || state == ChatState.COMPOSING) {
91 mXmppConnectionService.markRead(c);
92 activateGracePeriod(account);
93 }
94 return false;
95 } else {
96 if (isTypeGroupChat) {
97 MucOptions.User user = c.getMucOptions().findUserByFullJid(from);
98 if (user != null) {
99 return user.setChatState(state);
100 } else {
101 return false;
102 }
103 } else {
104 return c.setIncomingChatState(state);
105 }
106 }
107 }
108 return false;
109 }
110
111 private Message parseAxolotlChat(Element axolotlMessage, Jid from, Conversation conversation, int status, boolean postpone) {
112 final AxolotlService service = conversation.getAccount().getAxolotlService();
113 final XmppAxolotlMessage xmppAxolotlMessage;
114 try {
115 xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlMessage, from.asBareJid());
116 } catch (Exception e) {
117 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": invalid omemo message received " + e.getMessage());
118 return null;
119 }
120 if (xmppAxolotlMessage.hasPayload()) {
121 final XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage;
122 try {
123 plaintextMessage = service.processReceivingPayloadMessage(xmppAxolotlMessage, postpone);
124 } catch (NotEncryptedForThisDeviceException e) {
125 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE, status);
126 }
127 if (plaintextMessage != null) {
128 Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);
129 finishedMessage.setFingerprint(plaintextMessage.getFingerprint());
130 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(finishedMessage.getConversation().getAccount()) + " Received Message with session fingerprint: " + plaintextMessage.getFingerprint());
131 return finishedMessage;
132 }
133 } else {
134 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": received OMEMO key transport message");
135 service.processReceivingKeyTransportMessage(xmppAxolotlMessage, postpone);
136 }
137 return null;
138 }
139
140 private Invite extractInvite(Account account, Element message) {
141 Element x = message.findChild("x", "http://jabber.org/protocol/muc#user");
142 if (x != null) {
143 Element invite = x.findChild("invite");
144 if (invite != null) {
145 String password = x.findChildContent("password");
146 Jid from = InvalidJid.getNullForInvalid(invite.getAttributeAsJid("from"));
147 Contact contact = from == null ? null : account.getRoster().getContact(from);
148 Jid room = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
149 if (room == null) {
150 return null;
151 }
152 return new Invite(room, password, contact);
153 }
154 } else {
155 x = message.findChild("x", "jabber:x:conference");
156 if (x != null) {
157 Jid from = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
158 Contact contact = from == null ? null : account.getRoster().getContact(from);
159 Jid room = InvalidJid.getNullForInvalid(x.getAttributeAsJid("jid"));
160 if (room == null) {
161 return null;
162 }
163 return new Invite(room, x.getAttribute("password"), contact);
164 }
165 }
166 return null;
167 }
168
169 private void parseEvent(final Element event, final Jid from, final Account account) {
170 Element items = event.findChild("items");
171 String node = items == null ? null : items.getAttribute("node");
172 if ("urn:xmpp:avatar:metadata".equals(node)) {
173 Avatar avatar = Avatar.parseMetadata(items);
174 if (avatar != null) {
175 avatar.owner = from.asBareJid();
176 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
177 if (account.getJid().asBareJid().equals(from)) {
178 if (account.setAvatar(avatar.getFilename())) {
179 mXmppConnectionService.databaseBackend.updateAccount(account);
180 }
181 mXmppConnectionService.getAvatarService().clear(account);
182 mXmppConnectionService.updateConversationUi();
183 mXmppConnectionService.updateAccountUi();
184 } else {
185 Contact contact = account.getRoster().getContact(from);
186 if (contact.setAvatar(avatar)) {
187 mXmppConnectionService.syncRoster(account);
188 mXmppConnectionService.getAvatarService().clear(contact);
189 mXmppConnectionService.updateConversationUi();
190 mXmppConnectionService.updateRosterUi();
191 }
192 }
193 } else if (mXmppConnectionService.isDataSaverDisabled()) {
194 mXmppConnectionService.fetchAvatar(account, avatar);
195 }
196 }
197 } else if ("http://jabber.org/protocol/nick".equals(node)) {
198 final Element i = items.findChild("item");
199 final String nick = i == null ? null : i.findChildContent("nick", Namespace.NICK);
200 if (nick != null) {
201 Contact contact = account.getRoster().getContact(from);
202 if (contact.setPresenceName(nick)) {
203 mXmppConnectionService.getAvatarService().clear(contact);
204 }
205 mXmppConnectionService.updateConversationUi();
206 mXmppConnectionService.updateAccountUi();
207 }
208 } else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) {
209 Element item = items.findChild("item");
210 Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
211 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received PEP device list " + deviceIds + " update from " + from + ", processing... ");
212 AxolotlService axolotlService = account.getAxolotlService();
213 axolotlService.registerDevices(from, deviceIds);
214 mXmppConnectionService.updateAccountUi();
215 }
216 }
217
218 private boolean handleErrorMessage(Account account, MessagePacket packet) {
219 if (packet.getType() == MessagePacket.TYPE_ERROR) {
220 Jid from = packet.getFrom();
221 if (from != null) {
222 Message message = mXmppConnectionService.markMessage(account,
223 from.asBareJid(),
224 packet.getId(),
225 Message.STATUS_SEND_FAILED,
226 extractErrorMessage(packet));
227 }
228 return true;
229 }
230 return false;
231 }
232
233 @Override
234 public void onMessagePacketReceived(Account account, MessagePacket original) {
235 if (handleErrorMessage(account, original)) {
236 return;
237 }
238 final MessagePacket packet;
239 Long timestamp = null;
240 boolean isCarbon = false;
241 String serverMsgId = null;
242 final Element fin = original.findChild("fin", MessageArchiveService.Version.MAM_0.namespace);
243 if (fin != null) {
244 mXmppConnectionService.getMessageArchiveService().processFinLegacy(fin, original.getFrom());
245 return;
246 }
247 final Element result = MessageArchiveService.Version.findResult(original);
248 final MessageArchiveService.Query query = result == null ? null : mXmppConnectionService.getMessageArchiveService().findQuery(result.getAttribute("queryid"));
249 if (query != null && query.validFrom(original.getFrom())) {
250 Pair<MessagePacket, Long> f = original.getForwardedMessagePacket("result", query.version.namespace);
251 if (f == null) {
252 return;
253 }
254 timestamp = f.second;
255 packet = f.first;
256 serverMsgId = result.getAttribute("id");
257 query.incrementMessageCount();
258 } else if (query != null) {
259 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received mam result from invalid sender");
260 return;
261 } else if (original.fromServer(account)) {
262 Pair<MessagePacket, Long> f;
263 f = original.getForwardedMessagePacket("received", "urn:xmpp:carbons:2");
264 f = f == null ? original.getForwardedMessagePacket("sent", "urn:xmpp:carbons:2") : f;
265 packet = f != null ? f.first : original;
266 if (handleErrorMessage(account, packet)) {
267 return;
268 }
269 timestamp = f != null ? f.second : null;
270 isCarbon = f != null;
271 } else {
272 packet = original;
273 }
274
275 if (timestamp == null) {
276 timestamp = AbstractParser.parseTimestamp(original, AbstractParser.parseTimestamp(packet));
277 }
278 final String body = packet.getBody();
279 final Element mucUserElement = packet.findChild("x", "http://jabber.org/protocol/muc#user");
280 final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
281 final Element replaceElement = packet.findChild("replace", "urn:xmpp:message-correct:0");
282 final Element oob = packet.findChild("x", Namespace.OOB);
283 final Element xP1S3 = packet.findChild("x", Namespace.P1_S3_FILE_TRANSFER);
284 final URL xP1S3url = xP1S3 == null ? null : P1S3UrlStreamHandler.of(xP1S3);
285 final String oobUrl = oob != null ? oob.findChildContent("url") : null;
286 final String replacementId = replaceElement == null ? null : replaceElement.getAttribute("id");
287 final Element axolotlEncrypted = packet.findChild(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX);
288 int status;
289 final Jid counterpart;
290 final Jid to = packet.getTo();
291 final Jid from = packet.getFrom();
292 final Element originId = packet.findChild("origin-id", Namespace.STANZA_IDS);
293 final String remoteMsgId;
294 if (originId != null && originId.getAttribute("id") != null) {
295 remoteMsgId = originId.getAttribute("id");
296 } else {
297 remoteMsgId = packet.getId();
298 }
299 boolean notify = false;
300
301 if (from == null || !InvalidJid.isValid(from) || !InvalidJid.isValid(to)) {
302 Log.e(Config.LOGTAG, "encountered invalid message from='" + from + "' to='" + to + "'");
303 return;
304 }
305
306 boolean isTypeGroupChat = packet.getType() == MessagePacket.TYPE_GROUPCHAT;
307 if (query != null && !query.muc() && isTypeGroupChat) {
308 Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": received groupchat (" + from + ") message on regular MAM request. skipping");
309 return;
310 }
311 boolean isMucStatusMessage = InvalidJid.hasValidFrom(packet) && from.isBareJid() && mucUserElement != null && mucUserElement.hasChild("status");
312 boolean selfAddressed;
313 if (packet.fromAccount(account)) {
314 status = Message.STATUS_SEND;
315 selfAddressed = to == null || account.getJid().asBareJid().equals(to.asBareJid());
316 if (selfAddressed) {
317 counterpart = from;
318 } else {
319 counterpart = to != null ? to : account.getJid();
320 }
321 } else {
322 status = Message.STATUS_RECEIVED;
323 counterpart = from;
324 selfAddressed = false;
325 }
326
327 Invite invite = extractInvite(account, packet);
328 if (invite != null && invite.execute(account)) {
329 return;
330 }
331
332 if ((body != null || pgpEncrypted != null || (axolotlEncrypted != null && axolotlEncrypted.hasChild("payload")) || oobUrl != null || xP1S3 != null) && !isMucStatusMessage) {
333 final boolean conversationIsProbablyMuc = isTypeGroupChat || mucUserElement != null || account.getXmppConnection().getMucServersWithholdAccount().contains(counterpart.getDomain());
334 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), conversationIsProbablyMuc, false, query, false);
335 final boolean conversationMultiMode = conversation.getMode() == Conversation.MODE_MULTI;
336
337 if (serverMsgId == null) {
338 serverMsgId = extractStanzaId(packet, isTypeGroupChat, conversation);
339 }
340
341
342 if (selfAddressed) {
343 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, Message.STATUS_SEND_RECEIVED, serverMsgId)) {
344 return;
345 }
346 status = Message.STATUS_RECEIVED;
347 if (remoteMsgId != null && conversation.findMessageWithRemoteId(remoteMsgId, counterpart) != null) {
348 return;
349 }
350 }
351
352 if (isTypeGroupChat) {
353 if (conversation.getMucOptions().isSelf(counterpart)) {
354 status = Message.STATUS_SEND_RECEIVED;
355 isCarbon = true; //not really carbon but received from another resource
356 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, status, serverMsgId)) {
357 return;
358 } else if (remoteMsgId == null || Config.IGNORE_ID_REWRITE_IN_MUC) {
359 Message message = conversation.findSentMessageWithBody(packet.getBody());
360 if (message != null) {
361 mXmppConnectionService.markMessage(message, status);
362 return;
363 }
364 }
365 } else {
366 status = Message.STATUS_RECEIVED;
367 }
368 }
369 final Message message;
370 if (xP1S3url != null) {
371 message = new Message(conversation, xP1S3url.toString(), Message.ENCRYPTION_NONE, status);
372 message.setOob(true);
373 if (CryptoHelper.isPgpEncryptedUrl(xP1S3url.toString())) {
374 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
375 }
376 } else if (pgpEncrypted != null && Config.supportOpenPgp()) {
377 message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status);
378 } else if (axolotlEncrypted != null && Config.supportOmemo()) {
379 Jid origin;
380 Set<Jid> fallbacksBySourceId = Collections.emptySet();
381 if (conversationMultiMode) {
382 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
383 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
384 if (origin == null) {
385 try {
386 fallbacksBySourceId = account.getAxolotlService().findCounterpartsBySourceId(XmppAxolotlMessage.parseSourceId(axolotlEncrypted));
387 } catch (IllegalArgumentException e) {
388 //ignoring
389 }
390 }
391 if (origin == null && fallbacksBySourceId.size() == 0) {
392 Log.d(Config.LOGTAG, "axolotl message in anonymous conference received and no possible fallbacks");
393 return;
394 }
395 } else {
396 fallbacksBySourceId = Collections.emptySet();
397 origin = from;
398 }
399 if (origin != null) {
400 message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status, query != null);
401 } else {
402 Message trial = null;
403 for (Jid fallback : fallbacksBySourceId) {
404 trial = parseAxolotlChat(axolotlEncrypted, fallback, conversation, status, query != null);
405 if (trial != null) {
406 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": decoded muc message using fallback");
407 origin = fallback;
408 break;
409 }
410 }
411 message = trial;
412 }
413 if (message == null) {
414 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
415 mXmppConnectionService.updateConversationUi();
416 }
417 if (query != null && status == Message.STATUS_SEND && remoteMsgId != null) {
418 Message previouslySent = conversation.findSentMessageWithUuid(remoteMsgId);
419 if (previouslySent != null && previouslySent.getServerMsgId() == null && serverMsgId != null) {
420 previouslySent.setServerMsgId(serverMsgId);
421 mXmppConnectionService.databaseBackend.updateMessage(previouslySent, false);
422 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": encountered previously sent OMEMO message without serverId. updating...");
423 }
424 }
425 return;
426 }
427 if (conversationMultiMode) {
428 message.setTrueCounterpart(origin);
429 }
430 } else if (body == null && oobUrl != null) {
431 message = new Message(conversation, oobUrl, Message.ENCRYPTION_NONE, status);
432 message.setOob(true);
433 if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
434 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
435 }
436 } else {
437 message = new Message(conversation, body, Message.ENCRYPTION_NONE, status);
438 }
439
440 message.setCounterpart(counterpart);
441 message.setRemoteMsgId(remoteMsgId);
442 message.setServerMsgId(serverMsgId);
443 message.setCarbon(isCarbon);
444 message.setTime(timestamp);
445 if (body != null && body.equals(oobUrl)) {
446 message.setOob(true);
447 if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
448 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
449 }
450 }
451 message.markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
452 if (conversationMultiMode) {
453 message.setMucUser(conversation.getMucOptions().findUserByFullJid(counterpart));
454 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
455 Jid trueCounterpart;
456 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
457 trueCounterpart = message.getTrueCounterpart();
458 } else if (query != null && query.safeToExtractTrueCounterpart()) {
459 trueCounterpart = getTrueCounterpart(mucUserElement, fallback);
460 } else {
461 trueCounterpart = fallback;
462 }
463 if (trueCounterpart != null && trueCounterpart.asBareJid().equals(account.getJid().asBareJid())) {
464 status = isTypeGroupChat ? Message.STATUS_SEND_RECEIVED : Message.STATUS_SEND;
465 }
466 message.setStatus(status);
467 message.setTrueCounterpart(trueCounterpart);
468 if (!isTypeGroupChat) {
469 message.setType(Message.TYPE_PRIVATE);
470 }
471 } else {
472 updateLastseen(account, from);
473 }
474
475 if (replacementId != null && mXmppConnectionService.allowMessageCorrection()) {
476 final Message replacedMessage = conversation.findMessageWithRemoteIdAndCounterpart(replacementId,
477 counterpart,
478 message.getStatus() == Message.STATUS_RECEIVED,
479 message.isCarbon());
480 if (replacedMessage != null) {
481 final boolean fingerprintsMatch = replacedMessage.getFingerprint() == null
482 || replacedMessage.getFingerprint().equals(message.getFingerprint());
483 final boolean trueCountersMatch = replacedMessage.getTrueCounterpart() != null
484 && replacedMessage.getTrueCounterpart().equals(message.getTrueCounterpart());
485 final boolean mucUserMatches = query == null && replacedMessage.sameMucUser(message); //can not be checked when using mam
486 final boolean duplicate = conversation.hasDuplicateMessage(message);
487 if (fingerprintsMatch && (trueCountersMatch || !conversationMultiMode || mucUserMatches) && !duplicate) {
488 Log.d(Config.LOGTAG, "replaced message '" + replacedMessage.getBody() + "' with '" + message.getBody() + "'");
489 synchronized (replacedMessage) {
490 final String uuid = replacedMessage.getUuid();
491 replacedMessage.setUuid(UUID.randomUUID().toString());
492 replacedMessage.setBody(message.getBody());
493 replacedMessage.setEdited(replacedMessage.getRemoteMsgId());
494 replacedMessage.setRemoteMsgId(remoteMsgId);
495 if (replacedMessage.getServerMsgId() == null || message.getServerMsgId() != null) {
496 replacedMessage.setServerMsgId(message.getServerMsgId());
497 }
498 replacedMessage.setEncryption(message.getEncryption());
499 if (replacedMessage.getStatus() == Message.STATUS_RECEIVED) {
500 replacedMessage.markUnread();
501 }
502 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
503 mXmppConnectionService.updateMessage(replacedMessage, uuid);
504 mXmppConnectionService.getNotificationService().updateNotification(false);
505 if (mXmppConnectionService.confirmMessages()
506 && replacedMessage.getStatus() == Message.STATUS_RECEIVED
507 && (replacedMessage.trusted() || replacedMessage.getType() == Message.TYPE_PRIVATE)
508 && remoteMsgId != null
509 && !selfAddressed
510 && !isTypeGroupChat) {
511 processMessageReceipts(account, packet, query);
512 }
513 if (replacedMessage.getEncryption() == Message.ENCRYPTION_PGP) {
514 conversation.getAccount().getPgpDecryptionService().discard(replacedMessage);
515 conversation.getAccount().getPgpDecryptionService().decrypt(replacedMessage, false);
516 }
517 }
518 return;
519 } else {
520 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received message correction but verification didn't check out");
521 }
522 }
523 }
524
525 long deletionDate = mXmppConnectionService.getAutomaticMessageDeletionDate();
526 if (deletionDate != 0 && message.getTimeSent() < deletionDate) {
527 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping message from " + message.getCounterpart().toString() + " because it was sent prior to our deletion date");
528 return;
529 }
530
531 boolean checkForDuplicates = (isTypeGroupChat && packet.hasChild("delay", "urn:xmpp:delay"))
532 || message.getType() == Message.TYPE_PRIVATE
533 || message.getServerMsgId() != null
534 || (query == null && mXmppConnectionService.getMessageArchiveService().isCatchupInProgress(conversation));
535 if (checkForDuplicates) {
536 final Message duplicate = conversation.findDuplicateMessage(message);
537 if (duplicate != null) {
538 final boolean serverMsgIdUpdated;
539 if (duplicate.getStatus() != Message.STATUS_RECEIVED
540 && duplicate.getUuid().equals(message.getRemoteMsgId())
541 && duplicate.getServerMsgId() == null
542 && message.getServerMsgId() != null) {
543 duplicate.setServerMsgId(message.getServerMsgId());
544 if (mXmppConnectionService.databaseBackend.updateMessage(duplicate, false)) {
545 serverMsgIdUpdated = true;
546 } else {
547 serverMsgIdUpdated = false;
548 Log.e(Config.LOGTAG,"failed to update message");
549 }
550 } else {
551 serverMsgIdUpdated = false;
552 }
553 Log.d(Config.LOGTAG, "skipping duplicate message with " + message.getCounterpart() + ". serverMsgIdUpdated=" + Boolean.toString(serverMsgIdUpdated));
554 return;
555 }
556 }
557
558 if (query != null && query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
559 conversation.prepend(query.getActualInThisQuery(), message);
560 } else {
561 conversation.add(message);
562 }
563 if (query != null) {
564 query.incrementActualMessageCount();
565 }
566
567 if (query == null || query.isCatchup()) { //either no mam or catchup
568 if (status == Message.STATUS_SEND || status == Message.STATUS_SEND_RECEIVED) {
569 mXmppConnectionService.markRead(conversation);
570 if (query == null) {
571 activateGracePeriod(account);
572 }
573 } else {
574 message.markUnread();
575 notify = true;
576 }
577 }
578
579 if (message.getEncryption() == Message.ENCRYPTION_PGP) {
580 notify = conversation.getAccount().getPgpDecryptionService().decrypt(message, notify);
581 } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
582 notify = false;
583 }
584
585 if (query == null) {
586 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
587 mXmppConnectionService.updateConversationUi();
588 }
589
590 if (mXmppConnectionService.confirmMessages()
591 && message.getStatus() == Message.STATUS_RECEIVED
592 && (message.trusted() || message.getType() == Message.TYPE_PRIVATE)
593 && remoteMsgId != null
594 && !selfAddressed
595 && !isTypeGroupChat) {
596 processMessageReceipts(account, packet, query);
597 }
598
599 mXmppConnectionService.databaseBackend.createMessage(message);
600 final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
601 if (message.trusted() && message.treatAsDownloadable() && manager.getAutoAcceptFileSize() > 0) {
602 manager.createNewDownloadConnection(message);
603 } else if (notify) {
604 if (query != null && query.isCatchup()) {
605 mXmppConnectionService.getNotificationService().pushFromBacklog(message);
606 } else {
607 mXmppConnectionService.getNotificationService().push(message);
608 }
609 }
610 } else if (!packet.hasChild("body")) { //no body
611
612 final Conversation conversation = mXmppConnectionService.find(account, from.asBareJid());
613 if (axolotlEncrypted != null) {
614 Jid origin;
615 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
616 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
617 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
618 if (origin == null) {
619 Log.d(Config.LOGTAG, "omemo key transport message in anonymous conference received");
620 return;
621 }
622 } else if (isTypeGroupChat) {
623 return;
624 } else {
625 origin = from;
626 }
627 try {
628 final XmppAxolotlMessage xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlEncrypted, origin.asBareJid());
629 account.getAxolotlService().processReceivingKeyTransportMessage(xmppAxolotlMessage, query != null);
630 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": omemo key transport message received from " + origin);
631 } catch (Exception e) {
632 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": invalid omemo key transport message received " + e.getMessage());
633 return;
634 }
635 }
636
637 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
638 mXmppConnectionService.updateConversationUi();
639 }
640
641 if (isTypeGroupChat) {
642 if (packet.hasChild("subject")) {
643 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
644 conversation.setHasMessagesLeftOnServer(conversation.countMessages() > 0);
645 String subject = packet.findInternationalizedChildContent("subject");
646 if (conversation.getMucOptions().setSubject(subject)) {
647 mXmppConnectionService.updateConversation(conversation);
648 }
649 mXmppConnectionService.updateConversationUi();
650 return;
651 }
652 }
653 }
654 if (conversation != null && mucUserElement != null && InvalidJid.hasValidFrom(packet) && from.isBareJid()) {
655 for (Element child : mucUserElement.getChildren()) {
656 if ("status".equals(child.getName())) {
657 try {
658 int code = Integer.parseInt(child.getAttribute("code"));
659 if ((code >= 170 && code <= 174) || (code >= 102 && code <= 104)) {
660 mXmppConnectionService.fetchConferenceConfiguration(conversation);
661 break;
662 }
663 } catch (Exception e) {
664 //ignored
665 }
666 } else if ("item".equals(child.getName())) {
667 MucOptions.User user = AbstractParser.parseItem(conversation, child);
668 Log.d(Config.LOGTAG, account.getJid() + ": changing affiliation for "
669 + user.getRealJid() + " to " + user.getAffiliation() + " in "
670 + conversation.getJid().asBareJid());
671 if (!user.realJidMatchesAccount()) {
672 boolean isNew = conversation.getMucOptions().updateUser(user);
673 mXmppConnectionService.getAvatarService().clear(conversation);
674 mXmppConnectionService.updateMucRosterUi();
675 mXmppConnectionService.updateConversationUi();
676 Contact contact = user.getContact();
677 if (!user.getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
678 Jid jid = user.getRealJid();
679 List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
680 if (cryptoTargets.remove(user.getRealJid())) {
681 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
682 conversation.setAcceptedCryptoTargets(cryptoTargets);
683 mXmppConnectionService.updateConversation(conversation);
684 }
685 } else if (isNew
686 && user.getRealJid() != null
687 && conversation.getMucOptions().isPrivateAndNonAnonymous()
688 && (contact == null || !contact.mutualPresenceSubscription())
689 && account.getAxolotlService().hasEmptyDeviceList(user.getRealJid())) {
690 account.getAxolotlService().fetchDeviceIds(user.getRealJid());
691 }
692 }
693 }
694 }
695 }
696 }
697
698 Element received = packet.findChild("received", "urn:xmpp:chat-markers:0");
699 if (received == null) {
700 received = packet.findChild("received", "urn:xmpp:receipts");
701 }
702 if (received != null) {
703 String id = received.getAttribute("id");
704 if (packet.fromAccount(account)) {
705 if (query != null && id != null && packet.getTo() != null) {
706 query.removePendingReceiptRequest(new ReceiptRequest(packet.getTo(), id));
707 }
708 } else {
709 mXmppConnectionService.markMessage(account, from.asBareJid(), received.getAttribute("id"), Message.STATUS_SEND_RECEIVED);
710 }
711 }
712 Element displayed = packet.findChild("displayed", "urn:xmpp:chat-markers:0");
713 if (displayed != null) {
714 final String id = displayed.getAttribute("id");
715 final Jid sender = InvalidJid.getNullForInvalid(displayed.getAttributeAsJid("sender"));
716 if (packet.fromAccount(account) && !selfAddressed) {
717 dismissNotification(account, counterpart, query);
718 } else if (isTypeGroupChat) {
719 Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
720 if (conversation != null && id != null && sender != null) {
721 Message message = conversation.findMessageWithRemoteId(id, sender);
722 if (message != null) {
723 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
724 final Jid trueJid = getTrueCounterpart((query != null && query.safeToExtractTrueCounterpart()) ? mucUserElement : null, fallback);
725 final boolean trueJidMatchesAccount = account.getJid().asBareJid().equals(trueJid == null ? null : trueJid.asBareJid());
726 if (trueJidMatchesAccount || conversation.getMucOptions().isSelf(counterpart)) {
727 if (!message.isRead() && (query == null || query.isCatchup())) { //checking if message is unread fixes race conditions with reflections
728 mXmppConnectionService.markRead(conversation);
729 }
730 } else if (!counterpart.isBareJid() && trueJid != null) {
731 ReadByMarker readByMarker = ReadByMarker.from(counterpart, trueJid);
732 if (message.addReadByMarker(readByMarker)) {
733 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": added read by (" + readByMarker.getRealJid() + ") to message '" + message.getBody() + "'");
734 mXmppConnectionService.updateMessage(message, false);
735 }
736 }
737 }
738 }
739 } else {
740 final Message displayedMessage = mXmppConnectionService.markMessage(account, from.asBareJid(), id, Message.STATUS_SEND_DISPLAYED);
741 Message message = displayedMessage == null ? null : displayedMessage.prev();
742 while (message != null
743 && message.getStatus() == Message.STATUS_SEND_RECEIVED
744 && message.getTimeSent() < displayedMessage.getTimeSent()) {
745 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_DISPLAYED);
746 message = message.prev();
747 }
748 if (displayedMessage != null && selfAddressed) {
749 dismissNotification(account, counterpart, query);
750 }
751 }
752 }
753
754 Element event = original.findChild("event", "http://jabber.org/protocol/pubsub#event");
755 if (event != null && InvalidJid.hasValidFrom(original)) {
756 parseEvent(event, original.getFrom(), account);
757 }
758
759 final String nick = packet.findChildContent("nick", Namespace.NICK);
760 if (nick != null && InvalidJid.hasValidFrom(original)) {
761 Contact contact = account.getRoster().getContact(from);
762 if (contact.setPresenceName(nick)) {
763 mXmppConnectionService.getAvatarService().clear(contact);
764 }
765 }
766 }
767
768 private void dismissNotification(Account account, Jid counterpart, MessageArchiveService.Query query) {
769 Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
770 if (conversation != null && (query == null || query.isCatchup())) {
771 mXmppConnectionService.markRead(conversation); //TODO only mark messages read that are older than timestamp
772 }
773 }
774
775 private void processMessageReceipts(Account account, MessagePacket packet, MessageArchiveService.Query query) {
776 final boolean markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
777 final boolean request = packet.hasChild("request", "urn:xmpp:receipts");
778 if (query == null) {
779 final ArrayList<String> receiptsNamespaces = new ArrayList<>();
780 if (markable) {
781 receiptsNamespaces.add("urn:xmpp:chat-markers:0");
782 }
783 if (request) {
784 receiptsNamespaces.add("urn:xmpp:receipts");
785 }
786 if (receiptsNamespaces.size() > 0) {
787 MessagePacket receipt = mXmppConnectionService.getMessageGenerator().received(account,
788 packet,
789 receiptsNamespaces,
790 packet.getType());
791 mXmppConnectionService.sendMessagePacket(account, receipt);
792 }
793 } else if (query.isCatchup()) {
794 if (request) {
795 query.addPendingReceiptRequest(new ReceiptRequest(packet.getFrom(), packet.getId()));
796 }
797 }
798 }
799
800 private void activateGracePeriod(Account account) {
801 long duration = mXmppConnectionService.getLongPreference("grace_period_length", R.integer.grace_period) * 1000;
802 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": activating grace period till " + TIME_FORMAT.format(new Date(System.currentTimeMillis() + duration)));
803 account.activateGracePeriod(duration);
804 }
805
806 private class Invite {
807 final Jid jid;
808 final String password;
809 final Contact inviter;
810
811 Invite(Jid jid, String password, Contact inviter) {
812 this.jid = jid;
813 this.password = password;
814 this.inviter = inviter;
815 }
816
817 public boolean execute(Account account) {
818 if (jid != null) {
819 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid, true, false);
820 if (!conversation.getMucOptions().online()) {
821 conversation.getMucOptions().setPassword(password);
822 mXmppConnectionService.databaseBackend.updateConversation(conversation);
823 mXmppConnectionService.joinMuc(conversation, inviter != null && inviter.mutualPresenceSubscription());
824 mXmppConnectionService.updateConversationUi();
825 }
826 return true;
827 }
828 return false;
829 }
830 }
831}