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.Conversational;
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.QuickConversationsService;
34import eu.siacs.conversations.services.XmppConnectionService;
35import eu.siacs.conversations.utils.CryptoHelper;
36import eu.siacs.conversations.xml.LocalizedContent;
37import eu.siacs.conversations.xml.Namespace;
38import eu.siacs.conversations.xml.Element;
39import eu.siacs.conversations.xmpp.InvalidJid;
40import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
41import eu.siacs.conversations.xmpp.chatstate.ChatState;
42import eu.siacs.conversations.xmpp.pep.Avatar;
43import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
44import rocks.xmpp.addr.Jid;
45
46public class MessageParser extends AbstractParser implements OnMessagePacketReceived {
47
48 private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss", Locale.ENGLISH);
49
50 public MessageParser(XmppConnectionService service) {
51 super(service);
52 }
53
54 private static String extractStanzaId(Element packet, boolean isTypeGroupChat, Conversation conversation) {
55 final Jid by;
56 final boolean safeToExtract;
57 if (isTypeGroupChat) {
58 by = conversation.getJid().asBareJid();
59 safeToExtract = conversation.getMucOptions().hasFeature(Namespace.STANZA_IDS);
60 } else {
61 Account account = conversation.getAccount();
62 by = account.getJid().asBareJid();
63 safeToExtract = account.getXmppConnection().getFeatures().stanzaIds();
64 }
65 return safeToExtract ? extractStanzaId(packet, by) : null;
66 }
67
68 private static String extractStanzaId(Element packet, Jid by) {
69 for (Element child : packet.getChildren()) {
70 if (child.getName().equals("stanza-id")
71 && Namespace.STANZA_IDS.equals(child.getNamespace())
72 && by.equals(InvalidJid.getNullForInvalid(child.getAttributeAsJid("by")))) {
73 return child.getAttribute("id");
74 }
75 }
76 return null;
77 }
78
79 private static Jid getTrueCounterpart(Element mucUserElement, Jid fallback) {
80 final Element item = mucUserElement == null ? null : mucUserElement.findChild("item");
81 Jid result = item == null ? null : InvalidJid.getNullForInvalid(item.getAttributeAsJid("jid"));
82 return result != null ? result : fallback;
83 }
84
85 private boolean extractChatState(Conversation c, final boolean isTypeGroupChat, final MessagePacket packet) {
86 ChatState state = ChatState.parse(packet);
87 if (state != null && c != null) {
88 final Account account = c.getAccount();
89 Jid from = packet.getFrom();
90 if (from.asBareJid().equals(account.getJid().asBareJid())) {
91 c.setOutgoingChatState(state);
92 if (state == ChatState.ACTIVE || state == ChatState.COMPOSING) {
93 mXmppConnectionService.markRead(c);
94 activateGracePeriod(account);
95 }
96 return false;
97 } else {
98 if (isTypeGroupChat) {
99 MucOptions.User user = c.getMucOptions().findUserByFullJid(from);
100 if (user != null) {
101 return user.setChatState(state);
102 } else {
103 return false;
104 }
105 } else {
106 return c.setIncomingChatState(state);
107 }
108 }
109 }
110 return false;
111 }
112
113 private Message parseAxolotlChat(Element axolotlMessage, Jid from, Conversation conversation, int status, boolean checkedForDuplicates, boolean postpone) {
114 final AxolotlService service = conversation.getAccount().getAxolotlService();
115 final XmppAxolotlMessage xmppAxolotlMessage;
116 try {
117 xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlMessage, from.asBareJid());
118 } catch (Exception e) {
119 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": invalid omemo message received " + e.getMessage());
120 return null;
121 }
122 if (xmppAxolotlMessage.hasPayload()) {
123 final XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage;
124 try {
125 plaintextMessage = service.processReceivingPayloadMessage(xmppAxolotlMessage, postpone);
126 } catch (BrokenSessionException e) {
127 if (checkedForDuplicates) {
128 service.reportBrokenSessionException(e, postpone);
129 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
130 } else {
131 Log.d(Config.LOGTAG,"ignoring broken session exception because checkForDuplicates failed");
132 //TODO should be still emit a failed message?
133 return null;
134 }
135 } catch (NotEncryptedForThisDeviceException e) {
136 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE, status);
137 }
138 if (plaintextMessage != null) {
139 Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);
140 finishedMessage.setFingerprint(plaintextMessage.getFingerprint());
141 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(finishedMessage.getConversation().getAccount()) + " Received Message with session fingerprint: " + plaintextMessage.getFingerprint());
142 return finishedMessage;
143 }
144 } else {
145 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": received OMEMO key transport message");
146 service.processReceivingKeyTransportMessage(xmppAxolotlMessage, postpone);
147 }
148 return null;
149 }
150
151 private Invite extractInvite(Account account, Element message) {
152 Element x = message.findChild("x", "http://jabber.org/protocol/muc#user");
153 if (x != null) {
154 Element invite = x.findChild("invite");
155 if (invite != null) {
156 String password = x.findChildContent("password");
157 Jid from = InvalidJid.getNullForInvalid(invite.getAttributeAsJid("from"));
158 Contact contact = from == null ? null : account.getRoster().getContact(from);
159 Jid room = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
160 if (room == null) {
161 return null;
162 }
163 return new Invite(room, password, contact);
164 }
165 } else {
166 x = message.findChild("x", "jabber:x:conference");
167 if (x != null) {
168 Jid from = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
169 Contact contact = from == null ? null : account.getRoster().getContact(from);
170 Jid room = InvalidJid.getNullForInvalid(x.getAttributeAsJid("jid"));
171 if (room == null) {
172 return null;
173 }
174 return new Invite(room, x.getAttribute("password"), contact);
175 }
176 }
177 return null;
178 }
179
180 private void parseEvent(final Element event, final Jid from, final Account account) {
181 Element items = event.findChild("items");
182 String node = items == null ? null : items.getAttribute("node");
183 if ("urn:xmpp:avatar:metadata".equals(node)) {
184 Avatar avatar = Avatar.parseMetadata(items);
185 if (avatar != null) {
186 avatar.owner = from.asBareJid();
187 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
188 if (account.getJid().asBareJid().equals(from)) {
189 if (account.setAvatar(avatar.getFilename())) {
190 mXmppConnectionService.databaseBackend.updateAccount(account);
191 mXmppConnectionService.notifyAccountAvatarHasChanged(account);
192 }
193 mXmppConnectionService.getAvatarService().clear(account);
194 mXmppConnectionService.updateConversationUi();
195 mXmppConnectionService.updateAccountUi();
196 } else {
197 Contact contact = account.getRoster().getContact(from);
198 if (contact.setAvatar(avatar)) {
199 mXmppConnectionService.syncRoster(account);
200 mXmppConnectionService.getAvatarService().clear(contact);
201 mXmppConnectionService.updateConversationUi();
202 mXmppConnectionService.updateRosterUi();
203 }
204 }
205 } else if (mXmppConnectionService.isDataSaverDisabled()) {
206 mXmppConnectionService.fetchAvatar(account, avatar);
207 }
208 }
209 } else if (Namespace.NICK.equals(node)) {
210 final Element i = items.findChild("item");
211 final String nick = i == null ? null : i.findChildContent("nick", Namespace.NICK);
212 if (nick != null) {
213 setNick(account, from, nick);
214 }
215 } else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) {
216 Element item = items.findChild("item");
217 Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
218 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received PEP device list " + deviceIds + " update from " + from + ", processing... ");
219 AxolotlService axolotlService = account.getAxolotlService();
220 axolotlService.registerDevices(from, deviceIds);
221 } else if (Namespace.BOOKMARKS.equals(node) && account.getJid().asBareJid().equals(from)) {
222 if (account.getXmppConnection().getFeatures().bookmarksConversion()) {
223 final Element i = items.findChild("item");
224 final Element storage = i == null ? null : i.findChild("storage", Namespace.BOOKMARKS);
225 mXmppConnectionService.processBookmarks(account, storage, true);
226 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": processing bookmark PEP event");
227 } else {
228 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": ignoring bookmark PEP event because bookmark conversion was not detected");
229 }
230 }
231 }
232
233 private void parseDeleteEvent(final Element event, final Jid from, final Account account) {
234 final Element delete = event.findChild("delete");
235 if (delete == null) {
236 return;
237 }
238 String node = delete.getAttribute("node");
239 if (Namespace.NICK.equals(node)) {
240 Log.d(Config.LOGTAG, "parsing nick delete event from " + from);
241 setNick(account, from, null);
242 }
243 }
244
245 private void setNick(Account account, Jid user, String nick) {
246 if (user.asBareJid().equals(account.getJid().asBareJid())) {
247 account.setDisplayName(nick);
248 if (QuickConversationsService.isQuicksy()) {
249 mXmppConnectionService.getAvatarService().clear(account);
250 }
251 } else {
252 Contact contact = account.getRoster().getContact(user);
253 if (contact.setPresenceName(nick)) {
254 mXmppConnectionService.getAvatarService().clear(contact);
255 }
256 }
257 mXmppConnectionService.updateConversationUi();
258 mXmppConnectionService.updateAccountUi();
259 }
260
261 private boolean handleErrorMessage(Account account, MessagePacket packet) {
262 if (packet.getType() == MessagePacket.TYPE_ERROR) {
263 Jid from = packet.getFrom();
264 if (from != null) {
265 mXmppConnectionService.markMessage(account,
266 from.asBareJid(),
267 packet.getId(),
268 Message.STATUS_SEND_FAILED,
269 extractErrorMessage(packet));
270 final Element error = packet.findChild("error");
271 final boolean pingWorthyError = error != null && (error.hasChild("not-acceptable") || error.hasChild("remote-server-timeout") || error.hasChild("remote-server-not-found"));
272 if (pingWorthyError) {
273 Conversation conversation = mXmppConnectionService.find(account,from);
274 if (conversation != null && conversation.getMode() == Conversational.MODE_MULTI) {
275 if (conversation.getMucOptions().online()) {
276 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received ping worthy error for seemingly online muc at "+from);
277 mXmppConnectionService.mucSelfPingAndRejoin(conversation);
278 }
279 }
280 }
281 }
282 return true;
283 }
284 return false;
285 }
286
287 @Override
288 public void onMessagePacketReceived(Account account, MessagePacket original) {
289 if (handleErrorMessage(account, original)) {
290 return;
291 }
292 final MessagePacket packet;
293 Long timestamp = null;
294 boolean isCarbon = false;
295 String serverMsgId = null;
296 final Element fin = original.findChild("fin", MessageArchiveService.Version.MAM_0.namespace);
297 if (fin != null) {
298 mXmppConnectionService.getMessageArchiveService().processFinLegacy(fin, original.getFrom());
299 return;
300 }
301 final Element result = MessageArchiveService.Version.findResult(original);
302 final MessageArchiveService.Query query = result == null ? null : mXmppConnectionService.getMessageArchiveService().findQuery(result.getAttribute("queryid"));
303 if (query != null && query.validFrom(original.getFrom())) {
304 Pair<MessagePacket, Long> f = original.getForwardedMessagePacket("result", query.version.namespace);
305 if (f == null) {
306 return;
307 }
308 timestamp = f.second;
309 packet = f.first;
310 serverMsgId = result.getAttribute("id");
311 query.incrementMessageCount();
312 } else if (query != null) {
313 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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 } else {
326 packet = original;
327 }
328
329 if (timestamp == null) {
330 timestamp = AbstractParser.parseTimestamp(original, AbstractParser.parseTimestamp(packet));
331 }
332 final LocalizedContent body = packet.getBody();
333 final Element mucUserElement = packet.findChild("x", "http://jabber.org/protocol/muc#user");
334 final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
335 final Element replaceElement = packet.findChild("replace", "urn:xmpp:message-correct:0");
336 final Element oob = packet.findChild("x", Namespace.OOB);
337 final Element xP1S3 = packet.findChild("x", Namespace.P1_S3_FILE_TRANSFER);
338 final URL xP1S3url = xP1S3 == null ? null : P1S3UrlStreamHandler.of(xP1S3);
339 final String oobUrl = oob != null ? oob.findChildContent("url") : null;
340 final String replacementId = replaceElement == null ? null : replaceElement.getAttribute("id");
341 final Element axolotlEncrypted = packet.findChildEnsureSingle(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 Element originId = packet.findChild("origin-id", Namespace.STANZA_IDS);
347 final String remoteMsgId;
348 if (originId != null && originId.getAttribute("id") != null) {
349 remoteMsgId = originId.getAttribute("id");
350 } else {
351 remoteMsgId = packet.getId();
352 }
353 boolean notify = false;
354
355 if (from == null || !InvalidJid.isValid(from) || !InvalidJid.isValid(to)) {
356 Log.e(Config.LOGTAG, "encountered invalid message from='" + from + "' to='" + to + "'");
357 return;
358 }
359
360 boolean isTypeGroupChat = packet.getType() == MessagePacket.TYPE_GROUPCHAT;
361 if (query != null && !query.muc() && isTypeGroupChat) {
362 Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": received groupchat (" + from + ") message on regular MAM request. skipping");
363 return;
364 }
365 boolean isMucStatusMessage = InvalidJid.hasValidFrom(packet) && from.isBareJid() && mucUserElement != null && mucUserElement.hasChild("status");
366 boolean selfAddressed;
367 if (packet.fromAccount(account)) {
368 status = Message.STATUS_SEND;
369 selfAddressed = to == null || account.getJid().asBareJid().equals(to.asBareJid());
370 if (selfAddressed) {
371 counterpart = from;
372 } else {
373 counterpart = to != null ? to : account.getJid();
374 }
375 } else {
376 status = Message.STATUS_RECEIVED;
377 counterpart = from;
378 selfAddressed = false;
379 }
380
381 Invite invite = extractInvite(account, packet);
382 if (invite != null && invite.execute(account)) {
383 return;
384 }
385
386 if ((body != null || pgpEncrypted != null || (axolotlEncrypted != null && axolotlEncrypted.hasChild("payload")) || oobUrl != null || xP1S3 != null) && !isMucStatusMessage) {
387 final boolean conversationIsProbablyMuc = isTypeGroupChat || mucUserElement != null || account.getXmppConnection().getMucServersWithholdAccount().contains(counterpart.getDomain());
388 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), conversationIsProbablyMuc, false, query, false);
389 final boolean conversationMultiMode = conversation.getMode() == Conversation.MODE_MULTI;
390
391 if (serverMsgId == null) {
392 serverMsgId = extractStanzaId(packet, isTypeGroupChat, conversation);
393 }
394
395
396 if (selfAddressed) {
397 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, Message.STATUS_SEND_RECEIVED, serverMsgId)) {
398 return;
399 }
400 status = Message.STATUS_RECEIVED;
401 if (remoteMsgId != null && conversation.findMessageWithRemoteId(remoteMsgId, counterpart) != null) {
402 return;
403 }
404 }
405
406 if (isTypeGroupChat) {
407 if (conversation.getMucOptions().isSelf(counterpart)) {
408 status = Message.STATUS_SEND_RECEIVED;
409 isCarbon = true; //not really carbon but received from another resource
410 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, status, serverMsgId)) {
411 return;
412 } else if (remoteMsgId == null || Config.IGNORE_ID_REWRITE_IN_MUC) {
413 LocalizedContent localizedBody = packet.getBody();
414 if (localizedBody != null) {
415 Message message = conversation.findSentMessageWithBody(localizedBody.content);
416 if (message != null) {
417 mXmppConnectionService.markMessage(message, status);
418 return;
419 }
420 }
421 }
422 } else {
423 status = Message.STATUS_RECEIVED;
424 }
425 }
426 final Message message;
427 if (xP1S3url != null) {
428 message = new Message(conversation, xP1S3url.toString(), Message.ENCRYPTION_NONE, status);
429 message.setOob(true);
430 if (CryptoHelper.isPgpEncryptedUrl(xP1S3url.toString())) {
431 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
432 }
433 } else if (pgpEncrypted != null && Config.supportOpenPgp()) {
434 message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status);
435 } else if (axolotlEncrypted != null && Config.supportOmemo()) {
436 Jid origin;
437 Set<Jid> fallbacksBySourceId = Collections.emptySet();
438 if (conversationMultiMode) {
439 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
440 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
441 if (origin == null) {
442 try {
443 fallbacksBySourceId = account.getAxolotlService().findCounterpartsBySourceId(XmppAxolotlMessage.parseSourceId(axolotlEncrypted));
444 } catch (IllegalArgumentException e) {
445 //ignoring
446 }
447 }
448 if (origin == null && fallbacksBySourceId.size() == 0) {
449 Log.d(Config.LOGTAG, "axolotl message in anonymous conference received and no possible fallbacks");
450 return;
451 }
452 } else {
453 fallbacksBySourceId = Collections.emptySet();
454 origin = from;
455 }
456
457 //TODO either or is probably fine?
458 final boolean checkedForDuplicates = serverMsgId != null && remoteMsgId != null && !conversation.possibleDuplicate(serverMsgId, remoteMsgId);
459
460 if (origin != null) {
461 message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status, checkedForDuplicates,query != null);
462 } else {
463 Message trial = null;
464 for (Jid fallback : fallbacksBySourceId) {
465 trial = parseAxolotlChat(axolotlEncrypted, fallback, conversation, status, checkedForDuplicates && fallbacksBySourceId.size() == 1, query != null);
466 if (trial != null) {
467 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": decoded muc message using fallback");
468 origin = fallback;
469 break;
470 }
471 }
472 message = trial;
473 }
474 if (message == null) {
475 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
476 mXmppConnectionService.updateConversationUi();
477 }
478 if (query != null && status == Message.STATUS_SEND && remoteMsgId != null) {
479 Message previouslySent = conversation.findSentMessageWithUuid(remoteMsgId);
480 if (previouslySent != null && previouslySent.getServerMsgId() == null && serverMsgId != null) {
481 previouslySent.setServerMsgId(serverMsgId);
482 mXmppConnectionService.databaseBackend.updateMessage(previouslySent, false);
483 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": encountered previously sent OMEMO message without serverId. updating...");
484 }
485 }
486 return;
487 }
488 if (conversationMultiMode) {
489 message.setTrueCounterpart(origin);
490 }
491 } else if (body == null && oobUrl != null) {
492 message = new Message(conversation, oobUrl, Message.ENCRYPTION_NONE, status);
493 message.setOob(true);
494 if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
495 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
496 }
497 } else {
498 message = new Message(conversation, body.content, Message.ENCRYPTION_NONE, status);
499 if (body.count > 1) {
500 message.setBodyLanguage(body.language);
501 }
502 }
503
504 message.setCounterpart(counterpart);
505 message.setRemoteMsgId(remoteMsgId);
506 message.setServerMsgId(serverMsgId);
507 message.setCarbon(isCarbon);
508 message.setTime(timestamp);
509 if (body != null && body.content != null && body.content.equals(oobUrl)) {
510 message.setOob(true);
511 if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
512 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
513 }
514 }
515 message.markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
516 if (conversationMultiMode) {
517 message.setMucUser(conversation.getMucOptions().findUserByFullJid(counterpart));
518 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
519 Jid trueCounterpart;
520 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
521 trueCounterpart = message.getTrueCounterpart();
522 } else if (query != null && query.safeToExtractTrueCounterpart()) {
523 trueCounterpart = getTrueCounterpart(mucUserElement, fallback);
524 } else {
525 trueCounterpart = fallback;
526 }
527 if (trueCounterpart != null && isTypeGroupChat) {
528 if (trueCounterpart.asBareJid().equals(account.getJid().asBareJid())) {
529 status = isTypeGroupChat ? Message.STATUS_SEND_RECEIVED : Message.STATUS_SEND;
530 } else {
531 status = Message.STATUS_RECEIVED;
532 message.setCarbon(false);
533 }
534 }
535 message.setStatus(status);
536 message.setTrueCounterpart(trueCounterpart);
537 if (!isTypeGroupChat) {
538 message.setType(Message.TYPE_PRIVATE);
539 }
540 } else {
541 updateLastseen(account, from);
542 }
543
544 if (replacementId != null && mXmppConnectionService.allowMessageCorrection()) {
545 final Message replacedMessage = conversation.findMessageWithRemoteIdAndCounterpart(replacementId,
546 counterpart,
547 message.getStatus() == Message.STATUS_RECEIVED,
548 message.isCarbon());
549 if (replacedMessage != null) {
550 final boolean fingerprintsMatch = replacedMessage.getFingerprint() == null
551 || replacedMessage.getFingerprint().equals(message.getFingerprint());
552 final boolean trueCountersMatch = replacedMessage.getTrueCounterpart() != null
553 && message.getTrueCounterpart() != null
554 && replacedMessage.getTrueCounterpart().asBareJid().equals(message.getTrueCounterpart().asBareJid());
555 final boolean mucUserMatches = query == null && replacedMessage.sameMucUser(message); //can not be checked when using mam
556 final boolean duplicate = conversation.hasDuplicateMessage(message);
557 if (fingerprintsMatch && (trueCountersMatch || !conversationMultiMode || mucUserMatches) && !duplicate) {
558 Log.d(Config.LOGTAG, "replaced message '" + replacedMessage.getBody() + "' with '" + message.getBody() + "'");
559 synchronized (replacedMessage) {
560 final String uuid = replacedMessage.getUuid();
561 replacedMessage.setUuid(UUID.randomUUID().toString());
562 replacedMessage.setBody(message.getBody());
563 replacedMessage.putEdited(replacedMessage.getRemoteMsgId(), replacedMessage.getServerMsgId());
564 replacedMessage.setRemoteMsgId(remoteMsgId);
565 if (replacedMessage.getServerMsgId() == null || message.getServerMsgId() != null) {
566 replacedMessage.setServerMsgId(message.getServerMsgId());
567 }
568 replacedMessage.setEncryption(message.getEncryption());
569 if (replacedMessage.getStatus() == Message.STATUS_RECEIVED) {
570 replacedMessage.markUnread();
571 }
572 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
573 mXmppConnectionService.updateMessage(replacedMessage, uuid);
574 if (mXmppConnectionService.confirmMessages()
575 && replacedMessage.getStatus() == Message.STATUS_RECEIVED
576 && (replacedMessage.trusted() || replacedMessage.isPrivateMessage()) //TODO do we really want to send receipts for all PMs?
577 && remoteMsgId != null
578 && !selfAddressed
579 && !isTypeGroupChat) {
580 processMessageReceipts(account, packet, query);
581 }
582 if (replacedMessage.getEncryption() == Message.ENCRYPTION_PGP) {
583 conversation.getAccount().getPgpDecryptionService().discard(replacedMessage);
584 conversation.getAccount().getPgpDecryptionService().decrypt(replacedMessage, false);
585 }
586 }
587 mXmppConnectionService.getNotificationService().updateNotification();
588 return;
589 } else {
590 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received message correction but verification didn't check out");
591 }
592 }
593 }
594
595 long deletionDate = mXmppConnectionService.getAutomaticMessageDeletionDate();
596 if (deletionDate != 0 && message.getTimeSent() < deletionDate) {
597 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping message from " + message.getCounterpart().toString() + " because it was sent prior to our deletion date");
598 return;
599 }
600
601 boolean checkForDuplicates = (isTypeGroupChat && packet.hasChild("delay", "urn:xmpp:delay"))
602 || message.isPrivateMessage()
603 || message.getServerMsgId() != null
604 || (query == null && mXmppConnectionService.getMessageArchiveService().isCatchupInProgress(conversation));
605 if (checkForDuplicates) {
606 final Message duplicate = conversation.findDuplicateMessage(message);
607 if (duplicate != null) {
608 final boolean serverMsgIdUpdated;
609 if (duplicate.getStatus() != Message.STATUS_RECEIVED
610 && duplicate.getUuid().equals(message.getRemoteMsgId())
611 && duplicate.getServerMsgId() == null
612 && message.getServerMsgId() != null) {
613 duplicate.setServerMsgId(message.getServerMsgId());
614 if (mXmppConnectionService.databaseBackend.updateMessage(duplicate, false)) {
615 serverMsgIdUpdated = true;
616 } else {
617 serverMsgIdUpdated = false;
618 Log.e(Config.LOGTAG, "failed to update message");
619 }
620 } else {
621 serverMsgIdUpdated = false;
622 }
623 Log.d(Config.LOGTAG, "skipping duplicate message with " + message.getCounterpart() + ". serverMsgIdUpdated=" + serverMsgIdUpdated);
624 return;
625 }
626 }
627
628 if (query != null && query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
629 conversation.prepend(query.getActualInThisQuery(), message);
630 } else {
631 conversation.add(message);
632 }
633 if (query != null) {
634 query.incrementActualMessageCount();
635 }
636
637 if (query == null || query.isCatchup()) { //either no mam or catchup
638 if (status == Message.STATUS_SEND || status == Message.STATUS_SEND_RECEIVED) {
639 mXmppConnectionService.markRead(conversation);
640 if (query == null) {
641 activateGracePeriod(account);
642 }
643 } else {
644 message.markUnread();
645 notify = true;
646 }
647 }
648
649 if (message.getEncryption() == Message.ENCRYPTION_PGP) {
650 notify = conversation.getAccount().getPgpDecryptionService().decrypt(message, notify);
651 } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE || message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
652 notify = false;
653 }
654
655 if (query == null) {
656 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
657 mXmppConnectionService.updateConversationUi();
658 }
659
660 if (mXmppConnectionService.confirmMessages()
661 && message.getStatus() == Message.STATUS_RECEIVED
662 && (message.trusted() || message.isPrivateMessage())
663 && remoteMsgId != null
664 && !selfAddressed
665 && !isTypeGroupChat) {
666 processMessageReceipts(account, packet, query);
667 }
668
669 mXmppConnectionService.databaseBackend.createMessage(message);
670 final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
671 if (message.trusted() && message.treatAsDownloadable() && manager.getAutoAcceptFileSize() > 0) {
672 manager.createNewDownloadConnection(message);
673 } else if (notify) {
674 if (query != null && query.isCatchup()) {
675 mXmppConnectionService.getNotificationService().pushFromBacklog(message);
676 } else {
677 mXmppConnectionService.getNotificationService().push(message);
678 }
679 }
680 } else if (!packet.hasChild("body")) { //no body
681
682 final Conversation conversation = mXmppConnectionService.find(account, from.asBareJid());
683 if (axolotlEncrypted != null) {
684 Jid origin;
685 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
686 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
687 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
688 if (origin == null) {
689 Log.d(Config.LOGTAG, "omemo key transport message in anonymous conference received");
690 return;
691 }
692 } else if (isTypeGroupChat) {
693 return;
694 } else {
695 origin = from;
696 }
697 try {
698 final XmppAxolotlMessage xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlEncrypted, origin.asBareJid());
699 account.getAxolotlService().processReceivingKeyTransportMessage(xmppAxolotlMessage, query != null);
700 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": omemo key transport message received from " + origin);
701 } catch (Exception e) {
702 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": invalid omemo key transport message received " + e.getMessage());
703 return;
704 }
705 }
706
707 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
708 mXmppConnectionService.updateConversationUi();
709 }
710
711 if (isTypeGroupChat) {
712 if (packet.hasChild("subject")) { //TODO usually we would want to check for lack of body; however some servers do set a body :(
713 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
714 conversation.setHasMessagesLeftOnServer(conversation.countMessages() > 0);
715 final LocalizedContent subject = packet.findInternationalizedChildContentInDefaultNamespace("subject");
716 if (subject != null && conversation.getMucOptions().setSubject(subject.content)) {
717 mXmppConnectionService.updateConversation(conversation);
718 }
719 mXmppConnectionService.updateConversationUi();
720 return;
721 }
722 }
723 }
724 if (conversation != null && mucUserElement != null && InvalidJid.hasValidFrom(packet) && from.isBareJid()) {
725 for (Element child : mucUserElement.getChildren()) {
726 if ("status".equals(child.getName())) {
727 try {
728 int code = Integer.parseInt(child.getAttribute("code"));
729 if ((code >= 170 && code <= 174) || (code >= 102 && code <= 104)) {
730 mXmppConnectionService.fetchConferenceConfiguration(conversation);
731 break;
732 }
733 } catch (Exception e) {
734 //ignored
735 }
736 } else if ("item".equals(child.getName())) {
737 MucOptions.User user = AbstractParser.parseItem(conversation, child);
738 Log.d(Config.LOGTAG, account.getJid() + ": changing affiliation for "
739 + user.getRealJid() + " to " + user.getAffiliation() + " in "
740 + conversation.getJid().asBareJid());
741 if (!user.realJidMatchesAccount()) {
742 boolean isNew = conversation.getMucOptions().updateUser(user);
743 mXmppConnectionService.getAvatarService().clear(conversation);
744 mXmppConnectionService.updateMucRosterUi();
745 mXmppConnectionService.updateConversationUi();
746 Contact contact = user.getContact();
747 if (!user.getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
748 Jid jid = user.getRealJid();
749 List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
750 if (cryptoTargets.remove(user.getRealJid())) {
751 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
752 conversation.setAcceptedCryptoTargets(cryptoTargets);
753 mXmppConnectionService.updateConversation(conversation);
754 }
755 } else if (isNew
756 && user.getRealJid() != null
757 && conversation.getMucOptions().isPrivateAndNonAnonymous()
758 && (contact == null || !contact.mutualPresenceSubscription())
759 && account.getAxolotlService().hasEmptyDeviceList(user.getRealJid())) {
760 account.getAxolotlService().fetchDeviceIds(user.getRealJid());
761 }
762 }
763 }
764 }
765 }
766 }
767
768 Element received = packet.findChild("received", "urn:xmpp:chat-markers:0");
769 if (received == null) {
770 received = packet.findChild("received", "urn:xmpp:receipts");
771 }
772 if (received != null) {
773 String id = received.getAttribute("id");
774 if (packet.fromAccount(account)) {
775 if (query != null && id != null && packet.getTo() != null) {
776 query.removePendingReceiptRequest(new ReceiptRequest(packet.getTo(), id));
777 }
778 } else {
779 mXmppConnectionService.markMessage(account, from.asBareJid(), received.getAttribute("id"), Message.STATUS_SEND_RECEIVED);
780 }
781 }
782 Element displayed = packet.findChild("displayed", "urn:xmpp:chat-markers:0");
783 if (displayed != null) {
784 final String id = displayed.getAttribute("id");
785 final Jid sender = InvalidJid.getNullForInvalid(displayed.getAttributeAsJid("sender"));
786 if (packet.fromAccount(account) && !selfAddressed) {
787 dismissNotification(account, counterpart, query);
788 } else if (isTypeGroupChat) {
789 Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
790 if (conversation != null && id != null && sender != null) {
791 Message message = conversation.findMessageWithRemoteId(id, sender);
792 if (message != null) {
793 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
794 final Jid trueJid = getTrueCounterpart((query != null && query.safeToExtractTrueCounterpart()) ? mucUserElement : null, fallback);
795 final boolean trueJidMatchesAccount = account.getJid().asBareJid().equals(trueJid == null ? null : trueJid.asBareJid());
796 if (trueJidMatchesAccount || conversation.getMucOptions().isSelf(counterpart)) {
797 if (!message.isRead() && (query == null || query.isCatchup())) { //checking if message is unread fixes race conditions with reflections
798 mXmppConnectionService.markRead(conversation);
799 }
800 } else if (!counterpart.isBareJid() && trueJid != null) {
801 ReadByMarker readByMarker = ReadByMarker.from(counterpart, trueJid);
802 if (message.addReadByMarker(readByMarker)) {
803 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": added read by (" + readByMarker.getRealJid() + ") to message '" + message.getBody() + "'");
804 mXmppConnectionService.updateMessage(message, false);
805 }
806 }
807 }
808 }
809 } else {
810 final Message displayedMessage = mXmppConnectionService.markMessage(account, from.asBareJid(), id, Message.STATUS_SEND_DISPLAYED);
811 Message message = displayedMessage == null ? null : displayedMessage.prev();
812 while (message != null
813 && message.getStatus() == Message.STATUS_SEND_RECEIVED
814 && message.getTimeSent() < displayedMessage.getTimeSent()) {
815 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_DISPLAYED);
816 message = message.prev();
817 }
818 if (displayedMessage != null && selfAddressed) {
819 dismissNotification(account, counterpart, query);
820 }
821 }
822 }
823
824 final Element event = original.findChild("event", "http://jabber.org/protocol/pubsub#event");
825 if (event != null && InvalidJid.hasValidFrom(original)) {
826 if (event.hasChild("items")) {
827 parseEvent(event, original.getFrom(), account);
828 } else if (event.hasChild("delete")) {
829 parseDeleteEvent(event, original.getFrom(), account);
830 }
831 }
832
833 final String nick = packet.findChildContent("nick", Namespace.NICK);
834 if (nick != null && InvalidJid.hasValidFrom(original)) {
835 Contact contact = account.getRoster().getContact(from);
836 if (contact.setPresenceName(nick)) {
837 mXmppConnectionService.getAvatarService().clear(contact);
838 }
839 }
840 }
841
842 private void dismissNotification(Account account, Jid counterpart, MessageArchiveService.Query query) {
843 Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
844 if (conversation != null && (query == null || query.isCatchup())) {
845 mXmppConnectionService.markRead(conversation); //TODO only mark messages read that are older than timestamp
846 }
847 }
848
849 private void processMessageReceipts(Account account, MessagePacket packet, MessageArchiveService.Query query) {
850 final boolean markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
851 final boolean request = packet.hasChild("request", "urn:xmpp:receipts");
852 if (query == null) {
853 final ArrayList<String> receiptsNamespaces = new ArrayList<>();
854 if (markable) {
855 receiptsNamespaces.add("urn:xmpp:chat-markers:0");
856 }
857 if (request) {
858 receiptsNamespaces.add("urn:xmpp:receipts");
859 }
860 if (receiptsNamespaces.size() > 0) {
861 MessagePacket receipt = mXmppConnectionService.getMessageGenerator().received(account,
862 packet,
863 receiptsNamespaces,
864 packet.getType());
865 mXmppConnectionService.sendMessagePacket(account, receipt);
866 }
867 } else if (query.isCatchup()) {
868 if (request) {
869 query.addPendingReceiptRequest(new ReceiptRequest(packet.getFrom(), packet.getId()));
870 }
871 }
872 }
873
874 private void activateGracePeriod(Account account) {
875 long duration = mXmppConnectionService.getLongPreference("grace_period_length", R.integer.grace_period) * 1000;
876 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": activating grace period till " + TIME_FORMAT.format(new Date(System.currentTimeMillis() + duration)));
877 account.activateGracePeriod(duration);
878 }
879
880 private class Invite {
881 final Jid jid;
882 final String password;
883 final Contact inviter;
884
885 Invite(Jid jid, String password, Contact inviter) {
886 this.jid = jid;
887 this.password = password;
888 this.inviter = inviter;
889 }
890
891 public boolean execute(Account account) {
892 if (jid != null) {
893 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid, true, false);
894 if (conversation.getMucOptions().online()) {
895 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received invite to "+jid+" but muc is considered to be online");
896 mXmppConnectionService.mucSelfPingAndRejoin(conversation);
897 } else {
898 conversation.getMucOptions().setPassword(password);
899 mXmppConnectionService.databaseBackend.updateConversation(conversation);
900 mXmppConnectionService.joinMuc(conversation, inviter != null && inviter.mutualPresenceSubscription());
901 mXmppConnectionService.updateConversationUi();
902 }
903 return true;
904 }
905 return false;
906 }
907 }
908}