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.Collections;
10import java.util.Date;
11import java.util.List;
12import java.util.Locale;
13import java.util.Set;
14import java.util.UUID;
15
16import eu.siacs.conversations.Config;
17import eu.siacs.conversations.R;
18import eu.siacs.conversations.crypto.axolotl.AxolotlService;
19import eu.siacs.conversations.crypto.axolotl.BrokenSessionException;
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.Contact;
24import eu.siacs.conversations.entities.Conversation;
25import eu.siacs.conversations.entities.Message;
26import eu.siacs.conversations.entities.MucOptions;
27import eu.siacs.conversations.entities.ReadByMarker;
28import eu.siacs.conversations.entities.ReceiptRequest;
29import eu.siacs.conversations.http.HttpConnectionManager;
30import eu.siacs.conversations.http.P1S3UrlStreamHandler;
31import eu.siacs.conversations.services.MessageArchiveService;
32import eu.siacs.conversations.services.QuickConversationsService;
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 checkedForDuplicates, 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 (BrokenSessionException e) {
125 if (checkedForDuplicates) {
126 service.reportBrokenSessionException(e, postpone);
127 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
128 } else {
129 Log.d(Config.LOGTAG,"ignoring broken session exception because checkForDuplicase failed");
130 return null;
131 }
132 } catch (NotEncryptedForThisDeviceException e) {
133 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE, status);
134 }
135 if (plaintextMessage != null) {
136 Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);
137 finishedMessage.setFingerprint(plaintextMessage.getFingerprint());
138 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(finishedMessage.getConversation().getAccount()) + " Received Message with session fingerprint: " + plaintextMessage.getFingerprint());
139 return finishedMessage;
140 }
141 } else {
142 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": received OMEMO key transport message");
143 service.processReceivingKeyTransportMessage(xmppAxolotlMessage, postpone);
144 }
145 return null;
146 }
147
148 private Invite extractInvite(Account account, Element message) {
149 Element x = message.findChild("x", "http://jabber.org/protocol/muc#user");
150 if (x != null) {
151 Element invite = x.findChild("invite");
152 if (invite != null) {
153 String password = x.findChildContent("password");
154 Jid from = InvalidJid.getNullForInvalid(invite.getAttributeAsJid("from"));
155 Contact contact = from == null ? null : account.getRoster().getContact(from);
156 Jid room = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
157 if (room == null) {
158 return null;
159 }
160 return new Invite(room, password, contact);
161 }
162 } else {
163 x = message.findChild("x", "jabber:x:conference");
164 if (x != null) {
165 Jid from = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
166 Contact contact = from == null ? null : account.getRoster().getContact(from);
167 Jid room = InvalidJid.getNullForInvalid(x.getAttributeAsJid("jid"));
168 if (room == null) {
169 return null;
170 }
171 return new Invite(room, x.getAttribute("password"), contact);
172 }
173 }
174 return null;
175 }
176
177 private void parseEvent(final Element event, final Jid from, final Account account) {
178 Element items = event.findChild("items");
179 String node = items == null ? null : items.getAttribute("node");
180 if ("urn:xmpp:avatar:metadata".equals(node)) {
181 Avatar avatar = Avatar.parseMetadata(items);
182 if (avatar != null) {
183 avatar.owner = from.asBareJid();
184 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
185 if (account.getJid().asBareJid().equals(from)) {
186 if (account.setAvatar(avatar.getFilename())) {
187 mXmppConnectionService.databaseBackend.updateAccount(account);
188 mXmppConnectionService.notifyAccountAvatarHasChanged(account);
189 }
190 mXmppConnectionService.getAvatarService().clear(account);
191 mXmppConnectionService.updateConversationUi();
192 mXmppConnectionService.updateAccountUi();
193 } else {
194 Contact contact = account.getRoster().getContact(from);
195 if (contact.setAvatar(avatar)) {
196 mXmppConnectionService.syncRoster(account);
197 mXmppConnectionService.getAvatarService().clear(contact);
198 mXmppConnectionService.updateConversationUi();
199 mXmppConnectionService.updateRosterUi();
200 }
201 }
202 } else if (mXmppConnectionService.isDataSaverDisabled()) {
203 mXmppConnectionService.fetchAvatar(account, avatar);
204 }
205 }
206 } else if (Namespace.NICK.equals(node)) {
207 final Element i = items.findChild("item");
208 final String nick = i == null ? null : i.findChildContent("nick", Namespace.NICK);
209 if (nick != null) {
210 setNick(account, from, nick);
211 }
212 } else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) {
213 Element item = items.findChild("item");
214 Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
215 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received PEP device list " + deviceIds + " update from " + from + ", processing... ");
216 AxolotlService axolotlService = account.getAxolotlService();
217 axolotlService.registerDevices(from, deviceIds);
218 } else if (Namespace.BOOKMARKS.equals(node) && account.getJid().asBareJid().equals(from)) {
219 if (account.getXmppConnection().getFeatures().bookmarksConversion()) {
220 final Element i = items.findChild("item");
221 final Element storage = i == null ? null : i.findChild("storage", Namespace.BOOKMARKS);
222 mXmppConnectionService.processBookmarks(account, storage, true);
223 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": processing bookmark PEP event");
224 } else {
225 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": ignoring bookmark PEP event because bookmark conversion was not detected");
226 }
227 }
228 }
229
230 private void parseDeleteEvent(final Element event, final Jid from, final Account account) {
231 final Element delete = event.findChild("delete");
232 if (delete == null) {
233 return;
234 }
235 String node = delete.getAttribute("node");
236 if (Namespace.NICK.equals(node)) {
237 Log.d(Config.LOGTAG, "parsing nick delete event from " + from);
238 setNick(account, from, null);
239 }
240 }
241
242 private void setNick(Account account, Jid user, String nick) {
243 if (user.asBareJid().equals(account.getJid().asBareJid())) {
244 account.setDisplayName(nick);
245 if (QuickConversationsService.isQuicksy()) {
246 mXmppConnectionService.getAvatarService().clear(account);
247 }
248 } else {
249 Contact contact = account.getRoster().getContact(user);
250 if (contact.setPresenceName(nick)) {
251 mXmppConnectionService.getAvatarService().clear(contact);
252 }
253 }
254 mXmppConnectionService.updateConversationUi();
255 mXmppConnectionService.updateAccountUi();
256 }
257
258 private boolean handleErrorMessage(Account account, MessagePacket packet) {
259 if (packet.getType() == MessagePacket.TYPE_ERROR) {
260 Jid from = packet.getFrom();
261 if (from != null) {
262 mXmppConnectionService.markMessage(account,
263 from.asBareJid(),
264 packet.getId(),
265 Message.STATUS_SEND_FAILED,
266 extractErrorMessage(packet));
267 }
268 return true;
269 }
270 return false;
271 }
272
273 @Override
274 public void onMessagePacketReceived(Account account, MessagePacket original) {
275 if (handleErrorMessage(account, original)) {
276 return;
277 }
278 final MessagePacket packet;
279 Long timestamp = null;
280 boolean isCarbon = false;
281 String serverMsgId = null;
282 final Element fin = original.findChild("fin", MessageArchiveService.Version.MAM_0.namespace);
283 if (fin != null) {
284 mXmppConnectionService.getMessageArchiveService().processFinLegacy(fin, original.getFrom());
285 return;
286 }
287 final Element result = MessageArchiveService.Version.findResult(original);
288 final MessageArchiveService.Query query = result == null ? null : mXmppConnectionService.getMessageArchiveService().findQuery(result.getAttribute("queryid"));
289 if (query != null && query.validFrom(original.getFrom())) {
290 Pair<MessagePacket, Long> f = original.getForwardedMessagePacket("result", query.version.namespace);
291 if (f == null) {
292 return;
293 }
294 timestamp = f.second;
295 packet = f.first;
296 serverMsgId = result.getAttribute("id");
297 query.incrementMessageCount();
298 } else if (query != null) {
299 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received mam result from invalid sender");
300 return;
301 } else if (original.fromServer(account)) {
302 Pair<MessagePacket, Long> f;
303 f = original.getForwardedMessagePacket("received", "urn:xmpp:carbons:2");
304 f = f == null ? original.getForwardedMessagePacket("sent", "urn:xmpp:carbons:2") : f;
305 packet = f != null ? f.first : original;
306 if (handleErrorMessage(account, packet)) {
307 return;
308 }
309 timestamp = f != null ? f.second : null;
310 isCarbon = f != null;
311 } else {
312 packet = original;
313 }
314
315 if (timestamp == null) {
316 timestamp = AbstractParser.parseTimestamp(original, AbstractParser.parseTimestamp(packet));
317 }
318 final String body = packet.getBody();
319 final Element mucUserElement = packet.findChild("x", "http://jabber.org/protocol/muc#user");
320 final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
321 final Element replaceElement = packet.findChild("replace", "urn:xmpp:message-correct:0");
322 final Element oob = packet.findChild("x", Namespace.OOB);
323 final Element xP1S3 = packet.findChild("x", Namespace.P1_S3_FILE_TRANSFER);
324 final URL xP1S3url = xP1S3 == null ? null : P1S3UrlStreamHandler.of(xP1S3);
325 final String oobUrl = oob != null ? oob.findChildContent("url") : null;
326 final String replacementId = replaceElement == null ? null : replaceElement.getAttribute("id");
327 final Element axolotlEncrypted = packet.findChild(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX);
328 int status;
329 final Jid counterpart;
330 final Jid to = packet.getTo();
331 final Jid from = packet.getFrom();
332 final Element originId = packet.findChild("origin-id", Namespace.STANZA_IDS);
333 final String remoteMsgId;
334 if (originId != null && originId.getAttribute("id") != null) {
335 remoteMsgId = originId.getAttribute("id");
336 } else {
337 remoteMsgId = packet.getId();
338 }
339 boolean notify = false;
340
341 if (from == null || !InvalidJid.isValid(from) || !InvalidJid.isValid(to)) {
342 Log.e(Config.LOGTAG, "encountered invalid message from='" + from + "' to='" + to + "'");
343 return;
344 }
345
346 boolean isTypeGroupChat = packet.getType() == MessagePacket.TYPE_GROUPCHAT;
347 if (query != null && !query.muc() && isTypeGroupChat) {
348 Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": received groupchat (" + from + ") message on regular MAM request. skipping");
349 return;
350 }
351 boolean isMucStatusMessage = InvalidJid.hasValidFrom(packet) && from.isBareJid() && mucUserElement != null && mucUserElement.hasChild("status");
352 boolean selfAddressed;
353 if (packet.fromAccount(account)) {
354 status = Message.STATUS_SEND;
355 selfAddressed = to == null || account.getJid().asBareJid().equals(to.asBareJid());
356 if (selfAddressed) {
357 counterpart = from;
358 } else {
359 counterpart = to != null ? to : account.getJid();
360 }
361 } else {
362 status = Message.STATUS_RECEIVED;
363 counterpart = from;
364 selfAddressed = false;
365 }
366
367 Invite invite = extractInvite(account, packet);
368 if (invite != null && invite.execute(account)) {
369 return;
370 }
371
372 if ((body != null || pgpEncrypted != null || (axolotlEncrypted != null && axolotlEncrypted.hasChild("payload")) || oobUrl != null || xP1S3 != null) && !isMucStatusMessage) {
373 final boolean conversationIsProbablyMuc = isTypeGroupChat || mucUserElement != null || account.getXmppConnection().getMucServersWithholdAccount().contains(counterpart.getDomain());
374 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), conversationIsProbablyMuc, false, query, false);
375 final boolean conversationMultiMode = conversation.getMode() == Conversation.MODE_MULTI;
376
377 if (serverMsgId == null) {
378 serverMsgId = extractStanzaId(packet, isTypeGroupChat, conversation);
379 }
380
381
382 if (selfAddressed) {
383 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, Message.STATUS_SEND_RECEIVED, serverMsgId)) {
384 return;
385 }
386 status = Message.STATUS_RECEIVED;
387 if (remoteMsgId != null && conversation.findMessageWithRemoteId(remoteMsgId, counterpart) != null) {
388 return;
389 }
390 }
391
392 if (isTypeGroupChat) {
393 if (conversation.getMucOptions().isSelf(counterpart)) {
394 status = Message.STATUS_SEND_RECEIVED;
395 isCarbon = true; //not really carbon but received from another resource
396 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, status, serverMsgId)) {
397 return;
398 } else if (remoteMsgId == null || Config.IGNORE_ID_REWRITE_IN_MUC) {
399 Message message = conversation.findSentMessageWithBody(packet.getBody());
400 if (message != null) {
401 mXmppConnectionService.markMessage(message, status);
402 return;
403 }
404 }
405 } else {
406 status = Message.STATUS_RECEIVED;
407 }
408 }
409 final Message message;
410 if (xP1S3url != null) {
411 message = new Message(conversation, xP1S3url.toString(), Message.ENCRYPTION_NONE, status);
412 message.setOob(true);
413 if (CryptoHelper.isPgpEncryptedUrl(xP1S3url.toString())) {
414 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
415 }
416 } else if (pgpEncrypted != null && Config.supportOpenPgp()) {
417 message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status);
418 } else if (axolotlEncrypted != null && Config.supportOmemo()) {
419 Jid origin;
420 Set<Jid> fallbacksBySourceId = Collections.emptySet();
421 if (conversationMultiMode) {
422 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
423 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
424 if (origin == null) {
425 try {
426 fallbacksBySourceId = account.getAxolotlService().findCounterpartsBySourceId(XmppAxolotlMessage.parseSourceId(axolotlEncrypted));
427 } catch (IllegalArgumentException e) {
428 //ignoring
429 }
430 }
431 if (origin == null && fallbacksBySourceId.size() == 0) {
432 Log.d(Config.LOGTAG, "axolotl message in anonymous conference received and no possible fallbacks");
433 return;
434 }
435 } else {
436 fallbacksBySourceId = Collections.emptySet();
437 origin = from;
438 }
439
440 final boolean checkedForDuplicates = serverMsgId != null && remoteMsgId != null && !conversation.possibleDuplicate(serverMsgId, remoteMsgId);
441
442 if (origin != null) {
443 message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status, checkedForDuplicates,query != null);
444 } else {
445 Message trial = null;
446 for (Jid fallback : fallbacksBySourceId) {
447 trial = parseAxolotlChat(axolotlEncrypted, fallback, conversation, status, checkedForDuplicates && fallbacksBySourceId.size() == 1, query != null);
448 if (trial != null) {
449 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": decoded muc message using fallback");
450 origin = fallback;
451 break;
452 }
453 }
454 message = trial;
455 }
456 if (message == null) {
457 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
458 mXmppConnectionService.updateConversationUi();
459 }
460 if (query != null && status == Message.STATUS_SEND && remoteMsgId != null) {
461 Message previouslySent = conversation.findSentMessageWithUuid(remoteMsgId);
462 if (previouslySent != null && previouslySent.getServerMsgId() == null && serverMsgId != null) {
463 previouslySent.setServerMsgId(serverMsgId);
464 mXmppConnectionService.databaseBackend.updateMessage(previouslySent, false);
465 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": encountered previously sent OMEMO message without serverId. updating...");
466 }
467 }
468 return;
469 }
470 if (conversationMultiMode) {
471 message.setTrueCounterpart(origin);
472 }
473 } else if (body == null && oobUrl != null) {
474 message = new Message(conversation, oobUrl, Message.ENCRYPTION_NONE, status);
475 message.setOob(true);
476 if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
477 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
478 }
479 } else {
480 message = new Message(conversation, body, Message.ENCRYPTION_NONE, status);
481 }
482
483 message.setCounterpart(counterpart);
484 message.setRemoteMsgId(remoteMsgId);
485 message.setServerMsgId(serverMsgId);
486 message.setCarbon(isCarbon);
487 message.setTime(timestamp);
488 if (body != null && body.equals(oobUrl)) {
489 message.setOob(true);
490 if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
491 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
492 }
493 }
494 message.markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
495 if (conversationMultiMode) {
496 message.setMucUser(conversation.getMucOptions().findUserByFullJid(counterpart));
497 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
498 Jid trueCounterpart;
499 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
500 trueCounterpart = message.getTrueCounterpart();
501 } else if (query != null && query.safeToExtractTrueCounterpart()) {
502 trueCounterpart = getTrueCounterpart(mucUserElement, fallback);
503 } else {
504 trueCounterpart = fallback;
505 }
506 if (trueCounterpart != null && isTypeGroupChat) {
507 if (trueCounterpart.asBareJid().equals(account.getJid().asBareJid())) {
508 status = isTypeGroupChat ? Message.STATUS_SEND_RECEIVED : Message.STATUS_SEND;
509 } else {
510 status = Message.STATUS_RECEIVED;
511 message.setCarbon(false);
512 }
513 }
514 message.setStatus(status);
515 message.setTrueCounterpart(trueCounterpart);
516 if (!isTypeGroupChat) {
517 message.setType(Message.TYPE_PRIVATE);
518 }
519 } else {
520 updateLastseen(account, from);
521 }
522
523 if (replacementId != null && mXmppConnectionService.allowMessageCorrection()) {
524 final Message replacedMessage = conversation.findMessageWithRemoteIdAndCounterpart(replacementId,
525 counterpart,
526 message.getStatus() == Message.STATUS_RECEIVED,
527 message.isCarbon());
528 if (replacedMessage != null) {
529 final boolean fingerprintsMatch = replacedMessage.getFingerprint() == null
530 || replacedMessage.getFingerprint().equals(message.getFingerprint());
531 final boolean trueCountersMatch = replacedMessage.getTrueCounterpart() != null
532 && replacedMessage.getTrueCounterpart().equals(message.getTrueCounterpart());
533 final boolean mucUserMatches = query == null && replacedMessage.sameMucUser(message); //can not be checked when using mam
534 final boolean duplicate = conversation.hasDuplicateMessage(message);
535 if (fingerprintsMatch && (trueCountersMatch || !conversationMultiMode || mucUserMatches) && !duplicate) {
536 Log.d(Config.LOGTAG, "replaced message '" + replacedMessage.getBody() + "' with '" + message.getBody() + "'");
537 synchronized (replacedMessage) {
538 final String uuid = replacedMessage.getUuid();
539 replacedMessage.setUuid(UUID.randomUUID().toString());
540 replacedMessage.setBody(message.getBody());
541 replacedMessage.putEdited(replacedMessage.getRemoteMsgId(), replacedMessage.getServerMsgId());
542 replacedMessage.setRemoteMsgId(remoteMsgId);
543 if (replacedMessage.getServerMsgId() == null || message.getServerMsgId() != null) {
544 replacedMessage.setServerMsgId(message.getServerMsgId());
545 }
546 replacedMessage.setEncryption(message.getEncryption());
547 if (replacedMessage.getStatus() == Message.STATUS_RECEIVED) {
548 replacedMessage.markUnread();
549 }
550 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
551 mXmppConnectionService.updateMessage(replacedMessage, uuid);
552 if (mXmppConnectionService.confirmMessages()
553 && replacedMessage.getStatus() == Message.STATUS_RECEIVED
554 && (replacedMessage.trusted() || replacedMessage.isPrivateMessage()) //TODO do we really want to send receipts for all PMs?
555 && remoteMsgId != null
556 && !selfAddressed
557 && !isTypeGroupChat) {
558 processMessageReceipts(account, packet, query);
559 }
560 if (replacedMessage.getEncryption() == Message.ENCRYPTION_PGP) {
561 conversation.getAccount().getPgpDecryptionService().discard(replacedMessage);
562 conversation.getAccount().getPgpDecryptionService().decrypt(replacedMessage, false);
563 }
564 }
565 mXmppConnectionService.getNotificationService().updateNotification();
566 return;
567 } else {
568 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received message correction but verification didn't check out");
569 }
570 }
571 }
572
573 long deletionDate = mXmppConnectionService.getAutomaticMessageDeletionDate();
574 if (deletionDate != 0 && message.getTimeSent() < deletionDate) {
575 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping message from " + message.getCounterpart().toString() + " because it was sent prior to our deletion date");
576 return;
577 }
578
579 boolean checkForDuplicates = (isTypeGroupChat && packet.hasChild("delay", "urn:xmpp:delay"))
580 || message.isPrivateMessage()
581 || message.getServerMsgId() != null
582 || (query == null && mXmppConnectionService.getMessageArchiveService().isCatchupInProgress(conversation));
583 if (checkForDuplicates) {
584 final Message duplicate = conversation.findDuplicateMessage(message);
585 if (duplicate != null) {
586 final boolean serverMsgIdUpdated;
587 if (duplicate.getStatus() != Message.STATUS_RECEIVED
588 && duplicate.getUuid().equals(message.getRemoteMsgId())
589 && duplicate.getServerMsgId() == null
590 && message.getServerMsgId() != null) {
591 duplicate.setServerMsgId(message.getServerMsgId());
592 if (mXmppConnectionService.databaseBackend.updateMessage(duplicate, false)) {
593 serverMsgIdUpdated = true;
594 } else {
595 serverMsgIdUpdated = false;
596 Log.e(Config.LOGTAG, "failed to update message");
597 }
598 } else {
599 serverMsgIdUpdated = false;
600 }
601 Log.d(Config.LOGTAG, "skipping duplicate message with " + message.getCounterpart() + ". serverMsgIdUpdated=" + Boolean.toString(serverMsgIdUpdated));
602 return;
603 }
604 }
605
606 if (query != null && query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
607 conversation.prepend(query.getActualInThisQuery(), message);
608 } else {
609 conversation.add(message);
610 }
611 if (query != null) {
612 query.incrementActualMessageCount();
613 }
614
615 if (query == null || query.isCatchup()) { //either no mam or catchup
616 if (status == Message.STATUS_SEND || status == Message.STATUS_SEND_RECEIVED) {
617 mXmppConnectionService.markRead(conversation);
618 if (query == null) {
619 activateGracePeriod(account);
620 }
621 } else {
622 message.markUnread();
623 notify = true;
624 }
625 }
626
627 if (message.getEncryption() == Message.ENCRYPTION_PGP) {
628 notify = conversation.getAccount().getPgpDecryptionService().decrypt(message, notify);
629 } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE || message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
630 notify = false;
631 }
632
633 if (query == null) {
634 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
635 mXmppConnectionService.updateConversationUi();
636 }
637
638 if (mXmppConnectionService.confirmMessages()
639 && message.getStatus() == Message.STATUS_RECEIVED
640 && (message.trusted() || message.isPrivateMessage())
641 && remoteMsgId != null
642 && !selfAddressed
643 && !isTypeGroupChat) {
644 processMessageReceipts(account, packet, query);
645 }
646
647 mXmppConnectionService.databaseBackend.createMessage(message);
648 final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
649 if (message.trusted() && message.treatAsDownloadable() && manager.getAutoAcceptFileSize() > 0) {
650 manager.createNewDownloadConnection(message);
651 } else if (notify) {
652 if (query != null && query.isCatchup()) {
653 mXmppConnectionService.getNotificationService().pushFromBacklog(message);
654 } else {
655 mXmppConnectionService.getNotificationService().push(message);
656 }
657 }
658 } else if (!packet.hasChild("body")) { //no body
659
660 final Conversation conversation = mXmppConnectionService.find(account, from.asBareJid());
661 if (axolotlEncrypted != null) {
662 Jid origin;
663 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
664 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
665 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
666 if (origin == null) {
667 Log.d(Config.LOGTAG, "omemo key transport message in anonymous conference received");
668 return;
669 }
670 } else if (isTypeGroupChat) {
671 return;
672 } else {
673 origin = from;
674 }
675 try {
676 final XmppAxolotlMessage xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlEncrypted, origin.asBareJid());
677 account.getAxolotlService().processReceivingKeyTransportMessage(xmppAxolotlMessage, query != null);
678 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": omemo key transport message received from " + origin);
679 } catch (Exception e) {
680 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": invalid omemo key transport message received " + e.getMessage());
681 return;
682 }
683 }
684
685 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
686 mXmppConnectionService.updateConversationUi();
687 }
688
689 if (isTypeGroupChat) {
690 if (packet.hasChild("subject")) {
691 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
692 conversation.setHasMessagesLeftOnServer(conversation.countMessages() > 0);
693 String subject = packet.findInternationalizedChildContent("subject");
694 if (conversation.getMucOptions().setSubject(subject)) {
695 mXmppConnectionService.updateConversation(conversation);
696 }
697 mXmppConnectionService.updateConversationUi();
698 return;
699 }
700 }
701 }
702 if (conversation != null && mucUserElement != null && InvalidJid.hasValidFrom(packet) && from.isBareJid()) {
703 for (Element child : mucUserElement.getChildren()) {
704 if ("status".equals(child.getName())) {
705 try {
706 int code = Integer.parseInt(child.getAttribute("code"));
707 if ((code >= 170 && code <= 174) || (code >= 102 && code <= 104)) {
708 mXmppConnectionService.fetchConferenceConfiguration(conversation);
709 break;
710 }
711 } catch (Exception e) {
712 //ignored
713 }
714 } else if ("item".equals(child.getName())) {
715 MucOptions.User user = AbstractParser.parseItem(conversation, child);
716 Log.d(Config.LOGTAG, account.getJid() + ": changing affiliation for "
717 + user.getRealJid() + " to " + user.getAffiliation() + " in "
718 + conversation.getJid().asBareJid());
719 if (!user.realJidMatchesAccount()) {
720 boolean isNew = conversation.getMucOptions().updateUser(user);
721 mXmppConnectionService.getAvatarService().clear(conversation);
722 mXmppConnectionService.updateMucRosterUi();
723 mXmppConnectionService.updateConversationUi();
724 Contact contact = user.getContact();
725 if (!user.getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
726 Jid jid = user.getRealJid();
727 List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
728 if (cryptoTargets.remove(user.getRealJid())) {
729 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
730 conversation.setAcceptedCryptoTargets(cryptoTargets);
731 mXmppConnectionService.updateConversation(conversation);
732 }
733 } else if (isNew
734 && user.getRealJid() != null
735 && conversation.getMucOptions().isPrivateAndNonAnonymous()
736 && (contact == null || !contact.mutualPresenceSubscription())
737 && account.getAxolotlService().hasEmptyDeviceList(user.getRealJid())) {
738 account.getAxolotlService().fetchDeviceIds(user.getRealJid());
739 }
740 }
741 }
742 }
743 }
744 }
745
746 Element received = packet.findChild("received", "urn:xmpp:chat-markers:0");
747 if (received == null) {
748 received = packet.findChild("received", "urn:xmpp:receipts");
749 }
750 if (received != null) {
751 String id = received.getAttribute("id");
752 if (packet.fromAccount(account)) {
753 if (query != null && id != null && packet.getTo() != null) {
754 query.removePendingReceiptRequest(new ReceiptRequest(packet.getTo(), id));
755 }
756 } else {
757 mXmppConnectionService.markMessage(account, from.asBareJid(), received.getAttribute("id"), Message.STATUS_SEND_RECEIVED);
758 }
759 }
760 Element displayed = packet.findChild("displayed", "urn:xmpp:chat-markers:0");
761 if (displayed != null) {
762 final String id = displayed.getAttribute("id");
763 final Jid sender = InvalidJid.getNullForInvalid(displayed.getAttributeAsJid("sender"));
764 if (packet.fromAccount(account) && !selfAddressed) {
765 dismissNotification(account, counterpart, query);
766 } else if (isTypeGroupChat) {
767 Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
768 if (conversation != null && id != null && sender != null) {
769 Message message = conversation.findMessageWithRemoteId(id, sender);
770 if (message != null) {
771 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
772 final Jid trueJid = getTrueCounterpart((query != null && query.safeToExtractTrueCounterpart()) ? mucUserElement : null, fallback);
773 final boolean trueJidMatchesAccount = account.getJid().asBareJid().equals(trueJid == null ? null : trueJid.asBareJid());
774 if (trueJidMatchesAccount || conversation.getMucOptions().isSelf(counterpart)) {
775 if (!message.isRead() && (query == null || query.isCatchup())) { //checking if message is unread fixes race conditions with reflections
776 mXmppConnectionService.markRead(conversation);
777 }
778 } else if (!counterpart.isBareJid() && trueJid != null) {
779 ReadByMarker readByMarker = ReadByMarker.from(counterpart, trueJid);
780 if (message.addReadByMarker(readByMarker)) {
781 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": added read by (" + readByMarker.getRealJid() + ") to message '" + message.getBody() + "'");
782 mXmppConnectionService.updateMessage(message, false);
783 }
784 }
785 }
786 }
787 } else {
788 final Message displayedMessage = mXmppConnectionService.markMessage(account, from.asBareJid(), id, Message.STATUS_SEND_DISPLAYED);
789 Message message = displayedMessage == null ? null : displayedMessage.prev();
790 while (message != null
791 && message.getStatus() == Message.STATUS_SEND_RECEIVED
792 && message.getTimeSent() < displayedMessage.getTimeSent()) {
793 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_DISPLAYED);
794 message = message.prev();
795 }
796 if (displayedMessage != null && selfAddressed) {
797 dismissNotification(account, counterpart, query);
798 }
799 }
800 }
801
802 final Element event = original.findChild("event", "http://jabber.org/protocol/pubsub#event");
803 if (event != null && InvalidJid.hasValidFrom(original)) {
804 if (event.hasChild("items")) {
805 parseEvent(event, original.getFrom(), account);
806 } else if (event.hasChild("delete")) {
807 parseDeleteEvent(event, original.getFrom(), account);
808 }
809 }
810
811 final String nick = packet.findChildContent("nick", Namespace.NICK);
812 if (nick != null && InvalidJid.hasValidFrom(original)) {
813 Contact contact = account.getRoster().getContact(from);
814 if (contact.setPresenceName(nick)) {
815 mXmppConnectionService.getAvatarService().clear(contact);
816 }
817 }
818 }
819
820 private void dismissNotification(Account account, Jid counterpart, MessageArchiveService.Query query) {
821 Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
822 if (conversation != null && (query == null || query.isCatchup())) {
823 mXmppConnectionService.markRead(conversation); //TODO only mark messages read that are older than timestamp
824 }
825 }
826
827 private void processMessageReceipts(Account account, MessagePacket packet, MessageArchiveService.Query query) {
828 final boolean markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
829 final boolean request = packet.hasChild("request", "urn:xmpp:receipts");
830 if (query == null) {
831 final ArrayList<String> receiptsNamespaces = new ArrayList<>();
832 if (markable) {
833 receiptsNamespaces.add("urn:xmpp:chat-markers:0");
834 }
835 if (request) {
836 receiptsNamespaces.add("urn:xmpp:receipts");
837 }
838 if (receiptsNamespaces.size() > 0) {
839 MessagePacket receipt = mXmppConnectionService.getMessageGenerator().received(account,
840 packet,
841 receiptsNamespaces,
842 packet.getType());
843 mXmppConnectionService.sendMessagePacket(account, receipt);
844 }
845 } else if (query.isCatchup()) {
846 if (request) {
847 query.addPendingReceiptRequest(new ReceiptRequest(packet.getFrom(), packet.getId()));
848 }
849 }
850 }
851
852 private void activateGracePeriod(Account account) {
853 long duration = mXmppConnectionService.getLongPreference("grace_period_length", R.integer.grace_period) * 1000;
854 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": activating grace period till " + TIME_FORMAT.format(new Date(System.currentTimeMillis() + duration)));
855 account.activateGracePeriod(duration);
856 }
857
858 private class Invite {
859 final Jid jid;
860 final String password;
861 final Contact inviter;
862
863 Invite(Jid jid, String password, Contact inviter) {
864 this.jid = jid;
865 this.password = password;
866 this.inviter = inviter;
867 }
868
869 public boolean execute(Account account) {
870 if (jid != null) {
871 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid, true, false);
872 if (!conversation.getMucOptions().online()) {
873 conversation.getMucOptions().setPassword(password);
874 mXmppConnectionService.databaseBackend.updateConversation(conversation);
875 mXmppConnectionService.joinMuc(conversation, inviter != null && inviter.mutualPresenceSubscription());
876 mXmppConnectionService.updateConversationUi();
877 }
878 return true;
879 }
880 return false;
881 }
882 }
883}