1package eu.siacs.conversations.parser;
2
3import android.net.Uri;
4import android.util.Log;
5import android.util.Pair;
6
7import com.cheogram.android.BobTransfer;
8import com.cheogram.android.WebxdcUpdate;
9
10import com.google.common.collect.ImmutableSet;
11
12import java.io.File;
13import java.net.URISyntaxException;
14import java.text.SimpleDateFormat;
15import java.util.ArrayList;
16import java.util.Arrays;
17import java.util.Collections;
18import java.util.Date;
19import java.util.LinkedHashSet;
20import java.util.List;
21import java.util.Locale;
22import java.util.Map;
23import java.util.Set;
24import java.util.UUID;
25import java.util.function.Consumer;
26
27import io.ipfs.cid.Cid;
28
29import eu.siacs.conversations.AppSettings;
30import eu.siacs.conversations.Config;
31import eu.siacs.conversations.R;
32import eu.siacs.conversations.crypto.axolotl.AxolotlService;
33import eu.siacs.conversations.crypto.axolotl.BrokenSessionException;
34import eu.siacs.conversations.crypto.axolotl.NotEncryptedForThisDeviceException;
35import eu.siacs.conversations.crypto.axolotl.OutdatedSenderException;
36import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
37import eu.siacs.conversations.entities.Account;
38import eu.siacs.conversations.entities.Bookmark;
39import eu.siacs.conversations.entities.Contact;
40import eu.siacs.conversations.entities.Conversation;
41import eu.siacs.conversations.entities.Conversational;
42import eu.siacs.conversations.entities.DownloadableFile;
43import eu.siacs.conversations.entities.Message;
44import eu.siacs.conversations.entities.MucOptions;
45import eu.siacs.conversations.entities.ReadByMarker;
46import eu.siacs.conversations.entities.ReceiptRequest;
47import eu.siacs.conversations.entities.RtpSessionStatus;
48import eu.siacs.conversations.http.HttpConnectionManager;
49import eu.siacs.conversations.services.MessageArchiveService;
50import eu.siacs.conversations.services.QuickConversationsService;
51import eu.siacs.conversations.services.XmppConnectionService;
52import eu.siacs.conversations.utils.CryptoHelper;
53import eu.siacs.conversations.xml.Element;
54import eu.siacs.conversations.xml.LocalizedContent;
55import eu.siacs.conversations.xml.Namespace;
56import eu.siacs.conversations.xmpp.InvalidJid;
57import eu.siacs.conversations.xmpp.Jid;
58import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
59import eu.siacs.conversations.xmpp.chatstate.ChatState;
60import eu.siacs.conversations.xmpp.forms.Data;
61import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
62import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
63import eu.siacs.conversations.xmpp.pep.Avatar;
64import im.conversations.android.xmpp.model.Extension;
65import im.conversations.android.xmpp.model.carbons.Received;
66import im.conversations.android.xmpp.model.carbons.Sent;
67import im.conversations.android.xmpp.model.forward.Forwarded;
68
69public class MessageParser extends AbstractParser implements Consumer<im.conversations.android.xmpp.model.stanza.Message> {
70
71 private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss", Locale.ENGLISH);
72
73 private static final List<String> JINGLE_MESSAGE_ELEMENT_NAMES =
74 Arrays.asList("accept", "propose", "proceed", "reject", "retract", "ringing", "finish");
75
76 public MessageParser(final XmppConnectionService service, final Account account) {
77 super(service, account);
78 }
79
80 private static String extractStanzaId(Element packet, boolean isTypeGroupChat, Conversation conversation) {
81 final Jid by;
82 final boolean safeToExtract;
83 if (isTypeGroupChat) {
84 by = conversation.getJid().asBareJid();
85 safeToExtract = conversation.getMucOptions().hasFeature(Namespace.STANZA_IDS);
86 } else {
87 Account account = conversation.getAccount();
88 by = account.getJid().asBareJid();
89 safeToExtract = account.getXmppConnection().getFeatures().stanzaIds();
90 }
91 return safeToExtract ? extractStanzaId(packet, by) : null;
92 }
93
94 private static String extractStanzaId(Account account, Element packet) {
95 final boolean safeToExtract = account.getXmppConnection().getFeatures().stanzaIds();
96 return safeToExtract ? extractStanzaId(packet, account.getJid().asBareJid()) : null;
97 }
98
99 private static String extractStanzaId(Element packet, Jid by) {
100 for (Element child : packet.getChildren()) {
101 if (child.getName().equals("stanza-id")
102 && Namespace.STANZA_IDS.equals(child.getNamespace())
103 && by.equals(InvalidJid.getNullForInvalid(child.getAttributeAsJid("by")))) {
104 return child.getAttribute("id");
105 }
106 }
107 return null;
108 }
109
110 private static Jid getTrueCounterpart(Element mucUserElement, Jid fallback) {
111 final Element item = mucUserElement == null ? null : mucUserElement.findChild("item");
112 Jid result = item == null ? null : InvalidJid.getNullForInvalid(item.getAttributeAsJid("jid"));
113 return result != null ? result : fallback;
114 }
115
116 private boolean extractChatState(Conversation c, final boolean isTypeGroupChat, final im.conversations.android.xmpp.model.stanza.Message packet) {
117 ChatState state = ChatState.parse(packet);
118 if (state != null && c != null) {
119 final Account account = c.getAccount();
120 final Jid from = packet.getFrom();
121 if (from.asBareJid().equals(account.getJid().asBareJid())) {
122 c.setOutgoingChatState(state);
123 if (state == ChatState.ACTIVE || state == ChatState.COMPOSING) {
124 if (c.getContact().isSelf()) {
125 return false;
126 }
127 mXmppConnectionService.markRead(c);
128 activateGracePeriod(account);
129 }
130 return false;
131 } else {
132 if (isTypeGroupChat) {
133 MucOptions.User user = c.getMucOptions().findUserByFullJid(from);
134 if (user != null) {
135 return user.setChatState(state);
136 } else {
137 return false;
138 }
139 } else {
140 return c.setIncomingChatState(state);
141 }
142 }
143 }
144 return false;
145 }
146
147 private Message parseAxolotlChat(Element axolotlMessage, Jid from, Conversation conversation, int status, final boolean checkedForDuplicates, boolean postpone) {
148 final AxolotlService service = conversation.getAccount().getAxolotlService();
149 final XmppAxolotlMessage xmppAxolotlMessage;
150 try {
151 xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlMessage, from.asBareJid());
152 } catch (Exception e) {
153 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": invalid omemo message received " + e.getMessage());
154 return null;
155 }
156 if (xmppAxolotlMessage.hasPayload()) {
157 final XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage;
158 try {
159 plaintextMessage = service.processReceivingPayloadMessage(xmppAxolotlMessage, postpone);
160 } catch (BrokenSessionException e) {
161 if (checkedForDuplicates) {
162 if (service.trustedOrPreviouslyResponded(from.asBareJid())) {
163 service.reportBrokenSessionException(e, postpone);
164 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
165 } else {
166 Log.d(Config.LOGTAG, "ignoring broken session exception because contact was not trusted");
167 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
168 }
169 } else {
170 Log.d(Config.LOGTAG, "ignoring broken session exception because checkForDuplicates failed");
171 return null;
172 }
173 } catch (NotEncryptedForThisDeviceException e) {
174 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE, status);
175 } catch (OutdatedSenderException e) {
176 return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
177 }
178 if (plaintextMessage != null) {
179 Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);
180 finishedMessage.setFingerprint(plaintextMessage.getFingerprint());
181 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(finishedMessage.getConversation().getAccount()) + " Received Message with session fingerprint: " + plaintextMessage.getFingerprint());
182 return finishedMessage;
183 }
184 } else {
185 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": received OMEMO key transport message");
186 service.processReceivingKeyTransportMessage(xmppAxolotlMessage, postpone);
187 }
188 return null;
189 }
190
191 private Invite extractInvite(final Element message) {
192 final Element mucUser = message.findChild("x", Namespace.MUC_USER);
193 if (mucUser != null) {
194 final Element invite = mucUser.findChild("invite");
195 if (invite != null) {
196 final String password = mucUser.findChildContent("password");
197 final Jid from = InvalidJid.getNullForInvalid(invite.getAttributeAsJid("from"));
198 final Jid to = InvalidJid.getNullForInvalid(invite.getAttributeAsJid("to"));
199 if (to != null && from == null) {
200 Log.d(Config.LOGTAG,"do not parse outgoing mediated invite "+message);
201 return null;
202 }
203 final Jid room = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
204 if (room == null) {
205 return null;
206 }
207 return new Invite(room, password, false, from);
208 }
209 }
210 final Element conference = message.findChild("x", "jabber:x:conference");
211 if (conference != null) {
212 Jid from = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
213 Jid room = InvalidJid.getNullForInvalid(conference.getAttributeAsJid("jid"));
214 if (room == null) {
215 return null;
216 }
217 return new Invite(room, conference.getAttribute("password"), true, from);
218 }
219 return null;
220 }
221
222 private void parseEvent(final Element event, final Jid from, final Account account) {
223 final Element items = event.findChild("items");
224 final String node = items == null ? null : items.getAttribute("node");
225 if ("urn:xmpp:avatar:metadata".equals(node)) {
226 Avatar avatar = Avatar.parseMetadata(items);
227 if (avatar != null) {
228 avatar.owner = from.asBareJid();
229 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
230 if (account.getJid().asBareJid().equals(from)) {
231 if (account.setAvatar(avatar.getFilename())) {
232 mXmppConnectionService.databaseBackend.updateAccount(account);
233 mXmppConnectionService.notifyAccountAvatarHasChanged(account);
234 }
235 mXmppConnectionService.getAvatarService().clear(account);
236 mXmppConnectionService.updateConversationUi();
237 mXmppConnectionService.updateAccountUi();
238 } else {
239 final Contact contact = account.getRoster().getContact(from);
240 contact.setAvatar(avatar);
241 mXmppConnectionService.syncRoster(account);
242 mXmppConnectionService.getAvatarService().clear(contact);
243 mXmppConnectionService.updateConversationUi();
244 mXmppConnectionService.updateRosterUi(XmppConnectionService.UpdateRosterReason.AVATAR);
245 }
246 } else if (mXmppConnectionService.isDataSaverDisabled()) {
247 mXmppConnectionService.fetchAvatar(account, avatar);
248 }
249 }
250 } else if (Namespace.NICK.equals(node)) {
251 final Element i = items.findChild("item");
252 final String nick = i == null ? null : i.findChildContent("nick", Namespace.NICK);
253 if (nick != null) {
254 setNick(account, from, nick);
255 }
256 } else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) {
257 Element item = items.findChild("item");
258 final Set<Integer> deviceIds = IqParser.deviceIds(item);
259 Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received PEP device list " + deviceIds + " update from " + from + ", processing... ");
260 final AxolotlService axolotlService = account.getAxolotlService();
261 axolotlService.registerDevices(from, deviceIds);
262 } else if (Namespace.BOOKMARKS.equals(node) && account.getJid().asBareJid().equals(from)) {
263 final var connection = account.getXmppConnection();
264 if (connection.getFeatures().bookmarksConversion()) {
265 if (connection.getFeatures().bookmarks2()) {
266 Log.w(
267 Config.LOGTAG,
268 account.getJid().asBareJid()
269 + ": received storage:bookmark notification even though we opted into bookmarks:1");
270 }
271 final Element i = items.findChild("item");
272 final Element storage =
273 i == null ? null : i.findChild("storage", Namespace.BOOKMARKS);
274 final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
275 mXmppConnectionService.processBookmarksInitial(account, bookmarks, true);
276 Log.d(
277 Config.LOGTAG,
278 account.getJid().asBareJid() + ": processing bookmark PEP event");
279 } else {
280 Log.d(
281 Config.LOGTAG,
282 account.getJid().asBareJid()
283 + ": ignoring bookmark PEP event because bookmark conversion was not detected");
284 }
285 } else if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
286 final Element item = items.findChild("item");
287 final Element retract = items.findChild("retract");
288 if (item != null) {
289 final Bookmark bookmark = Bookmark.parseFromItem(item, account);
290 if (bookmark != null) {
291 account.putBookmark(bookmark);
292 mXmppConnectionService.processModifiedBookmark(bookmark);
293 mXmppConnectionService.updateConversationUi();
294 }
295 }
296 if (retract != null) {
297 final Jid id = InvalidJid.getNullForInvalid(retract.getAttributeAsJid("id"));
298 if (id != null) {
299 account.removeBookmark(id);
300 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": deleted bookmark for " + id);
301 mXmppConnectionService.processDeletedBookmark(account, id);
302 mXmppConnectionService.updateConversationUi();
303 }
304 }
305 } else if (Config.MESSAGE_DISPLAYED_SYNCHRONIZATION
306 && Namespace.MDS_DISPLAYED.equals(node)
307 && account.getJid().asBareJid().equals(from)) {
308 final Element item = items.findChild("item");
309 mXmppConnectionService.processMdsItem(account, item);
310 } else {
311 Log.d(
312 Config.LOGTAG,
313 account.getJid().asBareJid()
314 + " received pubsub notification for node="
315 + node);
316 }
317 }
318
319 private void parseDeleteEvent(final Element event, final Jid from, final Account account) {
320 final Element delete = event.findChild("delete");
321 final String node = delete == null ? null : delete.getAttribute("node");
322 if (Namespace.NICK.equals(node)) {
323 Log.d(Config.LOGTAG, "parsing nick delete event from " + from);
324 setNick(account, from, null);
325 } else if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
326 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": deleted bookmarks node");
327 deleteAllBookmarks(account);
328 } else if (Namespace.AVATAR_METADATA.equals(node) && account.getJid().asBareJid().equals(from)) {
329 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": deleted avatar metadata node");
330 }
331 }
332
333 private void parsePurgeEvent(final Element event, final Jid from, final Account account) {
334 final Element purge = event.findChild("purge");
335 final String node = purge == null ? null : purge.getAttribute("node");
336 if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
337 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": purged bookmarks");
338 deleteAllBookmarks(account);
339 }
340 }
341
342 private void deleteAllBookmarks(final Account account) {
343 final var previous = account.getBookmarkedJids();
344 account.setBookmarks(Collections.emptyMap());
345 mXmppConnectionService.processDeletedBookmarks(account, previous);
346 }
347
348 private void setNick(Account account, Jid user, String nick) {
349 if (user.asBareJid().equals(account.getJid().asBareJid())) {
350 account.setDisplayName(nick);
351 if (QuickConversationsService.isQuicksy()) {
352 mXmppConnectionService.getAvatarService().clear(account);
353 }
354 } else {
355 Contact contact = account.getRoster().getContact(user);
356 if (contact.setPresenceName(nick)) {
357 mXmppConnectionService.syncRoster(account);
358 mXmppConnectionService.getAvatarService().clear(contact);
359 }
360 }
361 mXmppConnectionService.updateConversationUi();
362 mXmppConnectionService.updateAccountUi();
363 }
364
365 private boolean handleErrorMessage(final Account account, final im.conversations.android.xmpp.model.stanza.Message packet) {
366 if (packet.getType() == im.conversations.android.xmpp.model.stanza.Message.Type.ERROR) {
367 if (packet.fromServer(account)) {
368 final var forwarded = getForwardedMessagePacket(packet,"received", Namespace.CARBONS);
369 if (forwarded != null) {
370 return handleErrorMessage(account, forwarded.first);
371 }
372 }
373 final Jid from = packet.getFrom();
374 final String id = packet.getId();
375 if (from != null && id != null) {
376 if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
377 final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
378 mXmppConnectionService.getJingleConnectionManager()
379 .updateProposedSessionDiscovered(account, from, sessionId, JingleConnectionManager.DeviceDiscoveryState.FAILED);
380 return true;
381 }
382 if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROCEED_ID_PREFIX)) {
383 final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROCEED_ID_PREFIX.length());
384 final String message = extractErrorMessage(packet);
385 mXmppConnectionService.getJingleConnectionManager().failProceed(account, from, sessionId, message);
386 return true;
387 }
388 mXmppConnectionService.markMessage(account,
389 from.asBareJid(),
390 id,
391 Message.STATUS_SEND_FAILED,
392 extractErrorMessage(packet));
393 final Element error = packet.findChild("error");
394 final boolean pingWorthyError = error != null && (error.hasChild("not-acceptable") || error.hasChild("remote-server-timeout") || error.hasChild("remote-server-not-found"));
395 if (pingWorthyError) {
396 Conversation conversation = mXmppConnectionService.find(account, from);
397 if (conversation != null && conversation.getMode() == Conversational.MODE_MULTI) {
398 if (conversation.getMucOptions().online()) {
399 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received ping worthy error for seemingly online muc at " + from);
400 mXmppConnectionService.mucSelfPingAndRejoin(conversation);
401 }
402 }
403 }
404 }
405 return true;
406 }
407 return false;
408 }
409
410 @Override
411 public void accept(final im.conversations.android.xmpp.model.stanza.Message original) {
412 if (handleErrorMessage(account, original)) {
413 return;
414 }
415 final im.conversations.android.xmpp.model.stanza.Message packet;
416 Long timestamp = null;
417 boolean isCarbon = false;
418 String serverMsgId = null;
419 final Element fin = original.findChild("fin", MessageArchiveService.Version.MAM_0.namespace);
420 if (fin != null) {
421 mXmppConnectionService.getMessageArchiveService().processFinLegacy(fin, original.getFrom());
422 return;
423 }
424 final Element result = MessageArchiveService.Version.findResult(original);
425 final String queryId = result == null ? null : result.getAttribute("queryid");
426 final MessageArchiveService.Query query = queryId == null ? null : mXmppConnectionService.getMessageArchiveService().findQuery(queryId);
427 final boolean offlineMessagesRetrieved = account.getXmppConnection().isOfflineMessagesRetrieved();
428 if (query != null && query.validFrom(original.getFrom())) {
429 final var f = getForwardedMessagePacket(original,"result", query.version.namespace);
430 if (f == null) {
431 return;
432 }
433 timestamp = f.second;
434 packet = f.first;
435 serverMsgId = result.getAttribute("id");
436 query.incrementMessageCount();
437 if (handleErrorMessage(account, packet)) {
438 return;
439 }
440 final var contact = packet.getFrom() == null || packet.getFrom() instanceof InvalidJid ? null : account.getRoster().getContact(packet.getFrom());
441 if (contact != null && contact.isBlocked()) {
442 Log.d(Config.LOGTAG, "Got MAM result from blocked contact, ignoring...");
443 return;
444 }
445 } else if (query != null) {
446 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received mam result with invalid from (" + original.getFrom() + ") or queryId (" + queryId + ")");
447 return;
448 } else if (original.fromServer(account)) {
449 Pair<im.conversations.android.xmpp.model.stanza.Message, Long> f;
450 f = getForwardedMessagePacket(original, Received.class);
451 f = f == null ? getForwardedMessagePacket(original, Sent.class) : f;
452 packet = f != null ? f.first : original;
453 if (handleErrorMessage(account, packet)) {
454 return;
455 }
456 timestamp = f != null ? f.second : null;
457 isCarbon = f != null;
458 } else {
459 packet = original;
460 }
461
462 if (timestamp == null) {
463 timestamp = AbstractParser.parseTimestamp(original, AbstractParser.parseTimestamp(packet));
464 }
465 final Element mucUserElement = packet.findChild("x", Namespace.MUC_USER);
466 final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
467 Element replaceElement = packet.findChild("replace", "urn:xmpp:message-correct:0");
468 Set<Message.FileParams> attachments = new LinkedHashSet<>();
469 for (Element child : packet.getChildren()) {
470 // SIMS first so they get preference in the set
471 if (child.getName().equals("reference") && child.getNamespace().equals("urn:xmpp:reference:0")) {
472 if (child.findChild("media-sharing", "urn:xmpp:sims:1") != null) {
473 attachments.add(new Message.FileParams(child));
474 }
475 }
476 }
477 for (Element child : packet.getChildren()) {
478 if (child.getName().equals("x") && child.getNamespace().equals(Namespace.OOB)) {
479 attachments.add(new Message.FileParams(child));
480 }
481 }
482 String replacementId = replaceElement == null ? null : replaceElement.getAttribute("id");
483 if (replacementId == null) {
484 final Element fasten = packet.findChild("apply-to", "urn:xmpp:fasten:0");
485 if (fasten != null) {
486 replaceElement = fasten.findChild("retract", "urn:xmpp:message-retract:0");
487 if (replaceElement == null) replaceElement = fasten.findChild("moderated", "urn:xmpp:message-moderate:0");
488 if (replaceElement != null) {
489 final String reason = replaceElement.findChildContent("reason", "urn:xmpp:message-moderate:0");
490 replacementId = fasten.getAttribute("id");
491 packet.setBody(reason == null ? "" : reason);
492 }
493 }
494 }
495 LocalizedContent body = packet.getBody();
496
497 final Element axolotlEncrypted = packet.findChildEnsureSingle(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX);
498 int status;
499 final Jid counterpart;
500 final Jid to = packet.getTo();
501 final Jid from = packet.getFrom();
502 final Element originId = packet.findChild("origin-id", Namespace.STANZA_IDS);
503 final String remoteMsgId;
504 if (originId != null && originId.getAttribute("id") != null) {
505 remoteMsgId = originId.getAttribute("id");
506 } else {
507 remoteMsgId = packet.getId();
508 }
509 boolean notify = false;
510
511 Element html = packet.findChild("html", "http://jabber.org/protocol/xhtml-im");
512 if (html != null && html.findChild("body", "http://www.w3.org/1999/xhtml") == null) {
513 html = null;
514 }
515
516 if (from == null || !InvalidJid.isValid(from) || !InvalidJid.isValid(to)) {
517 Log.e(Config.LOGTAG, "encountered invalid message from='" + from + "' to='" + to + "'");
518 return;
519 }
520
521 boolean isTypeGroupChat = packet.getType() == im.conversations.android.xmpp.model.stanza.Message.Type.GROUPCHAT;
522 if (query != null && !query.muc() && isTypeGroupChat) {
523 Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": received groupchat (" + from + ") message on regular MAM request. skipping");
524 return;
525 }
526 boolean isMucStatusMessage = InvalidJid.hasValidFrom(packet) && from.isBareJid() && mucUserElement != null && mucUserElement.hasChild("status");
527 boolean selfAddressed;
528 if (packet.fromAccount(account)) {
529 status = Message.STATUS_SEND;
530 selfAddressed = to == null || account.getJid().asBareJid().equals(to.asBareJid());
531 if (selfAddressed) {
532 counterpart = from;
533 } else {
534 counterpart = to != null ? to : account.getJid();
535 }
536 } else {
537 status = Message.STATUS_RECEIVED;
538 counterpart = from;
539 selfAddressed = false;
540 }
541
542 final Invite invite = extractInvite(packet);
543 if (invite != null) {
544 if (invite.jid.asBareJid().equals(account.getJid().asBareJid())) {
545 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": ignore invite to "+invite.jid+" because it matches account");
546 } else if (isTypeGroupChat) {
547 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignoring invite to " + invite.jid + " because it was received as group chat");
548 } else if (invite.direct && (mucUserElement != null || invite.inviter == null || mXmppConnectionService.isMuc(account, invite.inviter))) {
549 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignoring direct invite to " + invite.jid + " because it was received in MUC");
550 } else {
551 invite.execute(account);
552 return;
553 }
554 }
555
556 final Element reactions = packet.findChild("reactions", "urn:xmpp:reactions:0");
557 if (body == null && html == null) {
558 if (reactions != null && reactions.getAttribute("id") != null) {
559 final Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
560 if (conversation != null) {
561 final Message reactionTo = conversation.findMessageWithRemoteIdAndCounterpart(reactions.getAttribute("id"), null);
562 if (reactionTo != null) {
563 String bodyS = reactionTo.reply().getBody();
564 for (Element el : reactions.getChildren()) {
565 if (el.getName().equals("reaction") && el.getNamespace().equals("urn:xmpp:reactions:0")) {
566 bodyS += el.getContent();
567 }
568 }
569 body = new LocalizedContent(bodyS, "en", 1);
570 final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), counterpart);
571 if (previousReaction != null) replacementId = previousReaction.replyId();
572 }
573 }
574 }
575 }
576
577 final boolean conversationIsProbablyMuc = isTypeGroupChat || mucUserElement != null || account.getXmppConnection().getMucServersWithholdAccount().contains(counterpart.getDomain().toEscapedString());
578 final Element webxdc = packet.findChild("x", "urn:xmpp:webxdc:0");
579 final Element thread = packet.findChild("thread");
580 if (webxdc != null && thread != null) {
581 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), conversationIsProbablyMuc, false, query, false);
582 Jid webxdcSender = counterpart.asBareJid();
583 if (conversation.getMode() == Conversation.MODE_MULTI) {
584 if(conversation.getMucOptions().nonanonymous()) {
585 webxdcSender = conversation.getMucOptions().getTrueCounterpart(counterpart);
586 } else {
587 webxdcSender = counterpart;
588 }
589 }
590 final var document = webxdc.findChildContent("document", "urn:xmpp:webxdc:0");
591 final var summary = webxdc.findChildContent("summary", "urn:xmpp:webxdc:0");
592 final var payload = webxdc.findChildContent("json", "urn:xmpp:json:0");
593 if (document != null || summary != null || payload != null) {
594 mXmppConnectionService.insertWebxdcUpdate(new WebxdcUpdate(
595 conversation,
596 remoteMsgId,
597 counterpart,
598 thread,
599 body == null ? null : body.content,
600 document,
601 summary,
602 payload
603 ));
604 }
605
606 final var realtime = webxdc.findChildContent("data", "urn:xmpp:webxdc:0");
607 if (realtime != null) conversation.webxdcRealtimeData(thread, realtime);
608
609 mXmppConnectionService.updateConversationUi();
610 }
611
612 // Basic visibility for voice requests
613 if (body == null && html == null && pgpEncrypted == null && axolotlEncrypted == null && !isMucStatusMessage) {
614 final Element formEl = packet.findChild("x", "jabber:x:data");
615 if (formEl != null) {
616 final Data form = Data.parse(formEl);
617 final String role = form.getValue("muc#role");
618 final String nick = form.getValue("muc#roomnick");
619 if ("http://jabber.org/protocol/muc#request".equals(form.getFormType()) && "participant".equals(role)) {
620 body = new LocalizedContent("" + nick + " is requesting to speak", "en", 1);
621 }
622 }
623 }
624
625 if ((body != null || pgpEncrypted != null || (axolotlEncrypted != null && axolotlEncrypted.hasChild("payload")) || !attachments.isEmpty() || html != null || (packet.hasChild("subject") && packet.hasChild("thread"))) && !isMucStatusMessage) {
626 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), conversationIsProbablyMuc, false, query, false);
627 final boolean conversationMultiMode = conversation.getMode() == Conversation.MODE_MULTI;
628
629 if (serverMsgId == null) {
630 serverMsgId = extractStanzaId(packet, isTypeGroupChat, conversation);
631 }
632
633
634 if (selfAddressed) {
635 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, Message.STATUS_SEND_RECEIVED, serverMsgId)) {
636 return;
637 }
638 status = Message.STATUS_RECEIVED;
639 if (remoteMsgId != null && conversation.findMessageWithRemoteId(remoteMsgId, counterpart) != null) {
640 return;
641 }
642 }
643
644 if (isTypeGroupChat) {
645 if (conversation.getMucOptions().isSelf(counterpart)) {
646 status = Message.STATUS_SEND_RECEIVED;
647 isCarbon = true; //not really carbon but received from another resource
648 if (mXmppConnectionService.markMessage(conversation, remoteMsgId, status, serverMsgId, body, html, packet.findChildContent("subject"), packet.findChild("thread"), attachments)) {
649 return;
650 } else if (remoteMsgId == null || Config.IGNORE_ID_REWRITE_IN_MUC) {
651 if (body != null) {
652 Message message = conversation.findSentMessageWithBody(body.content);
653 if (message != null) {
654 mXmppConnectionService.markMessage(message, status);
655 return;
656 }
657 }
658 }
659 } else {
660 status = Message.STATUS_RECEIVED;
661 }
662 }
663 final Message message;
664 if (pgpEncrypted != null && Config.supportOpenPgp()) {
665 message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status);
666 } else if (axolotlEncrypted != null && Config.supportOmemo()) {
667 Jid origin;
668 Set<Jid> fallbacksBySourceId = Collections.emptySet();
669 if (conversationMultiMode) {
670 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
671 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
672 if (origin == null) {
673 try {
674 fallbacksBySourceId = account.getAxolotlService().findCounterpartsBySourceId(XmppAxolotlMessage.parseSourceId(axolotlEncrypted));
675 } catch (IllegalArgumentException e) {
676 //ignoring
677 }
678 }
679 if (origin == null && fallbacksBySourceId.size() == 0) {
680 Log.d(Config.LOGTAG, "axolotl message in anonymous conference received and no possible fallbacks");
681 return;
682 }
683 } else {
684 fallbacksBySourceId = Collections.emptySet();
685 origin = from;
686 }
687
688 final boolean liveMessage = query == null && !isTypeGroupChat && mucUserElement == null;
689 final boolean checkedForDuplicates = liveMessage || (serverMsgId != null && remoteMsgId != null && !conversation.possibleDuplicate(serverMsgId, remoteMsgId));
690
691 if (origin != null) {
692 message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status, checkedForDuplicates, query != null);
693 } else {
694 Message trial = null;
695 for (Jid fallback : fallbacksBySourceId) {
696 trial = parseAxolotlChat(axolotlEncrypted, fallback, conversation, status, checkedForDuplicates && fallbacksBySourceId.size() == 1, query != null);
697 if (trial != null) {
698 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": decoded muc message using fallback");
699 origin = fallback;
700 break;
701 }
702 }
703 message = trial;
704 }
705 if (message == null) {
706 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
707 mXmppConnectionService.updateConversationUi();
708 }
709 if (query != null && status == Message.STATUS_SEND && remoteMsgId != null) {
710 Message previouslySent = conversation.findSentMessageWithUuid(remoteMsgId);
711 if (previouslySent != null && previouslySent.getServerMsgId() == null && serverMsgId != null) {
712 previouslySent.setServerMsgId(serverMsgId);
713 mXmppConnectionService.databaseBackend.updateMessage(previouslySent, false);
714 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": encountered previously sent OMEMO message without serverId. updating...");
715 }
716 }
717 return;
718 }
719 if (conversationMultiMode) {
720 message.setTrueCounterpart(origin);
721 }
722 } else if (body == null && !attachments.isEmpty()) {
723 message = new Message(conversation, "", Message.ENCRYPTION_NONE, status);
724 } else {
725 message = new Message(conversation, body == null ? null : body.content, Message.ENCRYPTION_NONE, status);
726 if (body != null && body.count > 1) {
727 message.setBodyLanguage(body.language);
728 }
729 }
730
731 Element addresses = packet.findChild("addresses", "http://jabber.org/protocol/address");
732 if (status == Message.STATUS_RECEIVED && addresses != null) {
733 for (Element address : addresses.getChildren()) {
734 if (!address.getName().equals("address") || !address.getNamespace().equals("http://jabber.org/protocol/address")) continue;
735
736 if (address.getAttribute("type").equals("ofrom") && address.getAttribute("jid") != null) {
737 Jid ofrom = address.getAttributeAsJid("jid");
738 if (InvalidJid.isValid(ofrom) && ofrom.getDomain().equals(counterpart.getDomain()) &&
739 conversation.getAccount().getRoster().getContact(counterpart.getDomain()).getPresences().anySupport("http://jabber.org/protocol/address")) {
740
741 message.setTrueCounterpart(ofrom);
742 }
743 }
744 }
745 }
746
747 if (html != null) message.addPayload(html);
748 message.setSubject(packet.findChildContent("subject"));
749 message.setCounterpart(counterpart);
750 message.setRemoteMsgId(remoteMsgId);
751 message.setServerMsgId(serverMsgId);
752 message.setCarbon(isCarbon);
753 message.setTime(timestamp);
754 if (!attachments.isEmpty()) {
755 message.setFileParams(attachments.iterator().next());
756 if (CryptoHelper.isPgpEncryptedUrl(message.getFileParams().url)) {
757 message.setEncryption(Message.ENCRYPTION_DECRYPTED);
758 }
759 }
760 message.markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
761 if (reactions != null) message.addPayload(reactions);
762 for (Element el : packet.getChildren()) {
763 if ((el.getName().equals("query") && el.getNamespace().equals("http://jabber.org/protocol/disco#items") && el.getAttribute("node").equals("http://jabber.org/protocol/commands")) ||
764 (el.getName().equals("fallback") && el.getNamespace().equals("urn:xmpp:fallback:0"))) {
765 message.addPayload(el);
766 }
767 if (el.getName().equals("thread") && (el.getNamespace() == null || el.getNamespace().equals("jabber:client"))) {
768 el.setAttribute("xmlns", "jabber:client");
769 message.addPayload(el);
770 }
771 if (el.getName().equals("reply") && el.getNamespace() != null && el.getNamespace().equals("urn:xmpp:reply:0")) {
772 message.addPayload(el);
773 for (final var parent : mXmppConnectionService.getMessageFuzzyIds(conversation, List.of(el.getAttribute("id"))).entrySet()) {
774 message.setInReplyTo(parent.getValue());
775 }
776 }
777 if (el.getName().equals("attention") && el.getNamespace() != null && el.getNamespace().equals("urn:xmpp:attention:0")) {
778 message.addPayload(el);
779 }
780 }
781 if (conversationMultiMode) {
782 message.setMucUser(conversation.getMucOptions().findUserByFullJid(counterpart));
783 final Element occupantId = packet.findChild("occupant-id", "urn:xmpp:occupant-id:0");
784 if (occupantId != null) message.setOccupantId(occupantId.getAttribute("id"));
785 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
786 Jid trueCounterpart;
787 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
788 trueCounterpart = message.getTrueCounterpart();
789 } else if (query != null && query.safeToExtractTrueCounterpart()) {
790 trueCounterpart = getTrueCounterpart(mucUserElement, fallback);
791 } else {
792 trueCounterpart = fallback;
793 }
794 if (trueCounterpart != null && isTypeGroupChat) {
795 if (trueCounterpart.asBareJid().equals(account.getJid().asBareJid())) {
796 status = isTypeGroupChat ? Message.STATUS_SEND_RECEIVED : Message.STATUS_SEND;
797 } else {
798 status = Message.STATUS_RECEIVED;
799 message.setCarbon(false);
800 }
801 }
802 message.setStatus(status);
803 message.setTrueCounterpart(trueCounterpart);
804 if (!isTypeGroupChat) {
805 message.setType(Message.TYPE_PRIVATE);
806 }
807 } else {
808 updateLastseen(account, from);
809 }
810
811 if (replacementId != null && mXmppConnectionService.allowMessageCorrection()) {
812 final Message replacedMessage = conversation.findMessageWithRemoteIdAndCounterpart(replacementId, counterpart);
813 if (replacedMessage != null) {
814 final boolean fingerprintsMatch = replacedMessage.getFingerprint() == null
815 || replacedMessage.getFingerprint().equals(message.getFingerprint());
816 final boolean trueCountersMatch = replacedMessage.getTrueCounterpart() != null
817 && message.getTrueCounterpart() != null
818 && replacedMessage.getTrueCounterpart().asBareJid().equals(message.getTrueCounterpart().asBareJid());
819 final boolean mucUserMatches = query == null && replacedMessage.sameMucUser(message);
820 final boolean duplicate = conversation.hasDuplicateMessage(message);
821 if (fingerprintsMatch && (trueCountersMatch || !conversationMultiMode || mucUserMatches || counterpart.isBareJid()) && !duplicate) {
822 Log.d(Config.LOGTAG, "replaced message '" + replacedMessage.getBody() + "' with '" + message.getBody() + "'");
823 synchronized (replacedMessage) {
824 final String uuid = replacedMessage.getUuid();
825 replacedMessage.setUuid(UUID.randomUUID().toString());
826 replacedMessage.setBody(message.getBody());
827 replacedMessage.setSubject(message.getSubject());
828 replacedMessage.setThread(message.getThread());
829 replacedMessage.putEdited(replacedMessage.getRemoteMsgId(), replacedMessage.getServerMsgId());
830 replacedMessage.setRemoteMsgId(remoteMsgId);
831 if (replaceElement != null && !replaceElement.getName().equals("replace")) {
832 mXmppConnectionService.getFileBackend().deleteFile(replacedMessage);
833 mXmppConnectionService.evictPreview(message.getUuid());
834 List<Element> thumbs = replacedMessage.getFileParams() != null ? replacedMessage.getFileParams().getThumbnails() : null;
835 if (thumbs != null && !thumbs.isEmpty()) {
836 for (Element thumb : thumbs) {
837 Uri uri = Uri.parse(thumb.getAttribute("uri"));
838 if (uri.getScheme().equals("cid")) {
839 Cid cid = BobTransfer.cid(uri);
840 if (cid == null) continue;
841 DownloadableFile f = mXmppConnectionService.getFileForCid(cid);
842 if (f != null) {
843 mXmppConnectionService.evictPreview(f);
844 f.delete();
845 }
846 }
847 }
848 }
849 replacedMessage.clearPayloads();
850 replacedMessage.setFileParams(null);
851 replacedMessage.addPayload(replaceElement);
852 }
853 if (replacedMessage.getServerMsgId() == null || message.getServerMsgId() != null) {
854 replacedMessage.setServerMsgId(message.getServerMsgId());
855 }
856 replacedMessage.setEncryption(message.getEncryption());
857 if (replacedMessage.getStatus() == Message.STATUS_RECEIVED) {
858 replacedMessage.markUnread();
859 }
860 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
861 mXmppConnectionService.updateMessage(replacedMessage, uuid);
862 if (mXmppConnectionService.confirmMessages()
863 && replacedMessage.getStatus() == Message.STATUS_RECEIVED
864 && (replacedMessage.trusted() || replacedMessage.isPrivateMessage()) //TODO do we really want to send receipts for all PMs?
865 && remoteMsgId != null
866 && !selfAddressed
867 && !isTypeGroupChat) {
868 processMessageReceipts(account, packet, remoteMsgId, query);
869 }
870 if (replacedMessage.getEncryption() == Message.ENCRYPTION_PGP) {
871 conversation.getAccount().getPgpDecryptionService().discard(replacedMessage);
872 conversation.getAccount().getPgpDecryptionService().decrypt(replacedMessage, false);
873 }
874 }
875 mXmppConnectionService.getNotificationService().updateNotification();
876 return;
877 } else {
878 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received message correction but verification didn't check out");
879 }
880 } else if (message.getBody() == null || message.getBody().equals("") || message.getBody().equals(" ")) {
881 return;
882 }
883 if (replaceElement != null && !replaceElement.getName().equals("replace")) return;
884 }
885
886 boolean checkForDuplicates = (isTypeGroupChat && packet.hasChild("delay", "urn:xmpp:delay"))
887 || message.isPrivateMessage()
888 || message.getServerMsgId() != null
889 || (query == null && mXmppConnectionService.getMessageArchiveService().isCatchupInProgress(conversation));
890 if (checkForDuplicates) {
891 final Message duplicate = conversation.findDuplicateMessage(message);
892 if (duplicate != null) {
893 final boolean serverMsgIdUpdated;
894 if (duplicate.getStatus() != Message.STATUS_RECEIVED
895 && duplicate.getUuid().equals(message.getRemoteMsgId())
896 && duplicate.getServerMsgId() == null
897 && message.getServerMsgId() != null) {
898 duplicate.setServerMsgId(message.getServerMsgId());
899 if (mXmppConnectionService.databaseBackend.updateMessage(duplicate, false)) {
900 serverMsgIdUpdated = true;
901 } else {
902 serverMsgIdUpdated = false;
903 Log.e(Config.LOGTAG, "failed to update message");
904 }
905 } else {
906 serverMsgIdUpdated = false;
907 }
908 Log.d(Config.LOGTAG, "skipping duplicate message with " + message.getCounterpart() + ". serverMsgIdUpdated=" + serverMsgIdUpdated);
909 return;
910 }
911 }
912
913 if (query != null && query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
914 conversation.prepend(query.getActualInThisQuery(), message);
915 } else {
916 conversation.add(message);
917 }
918 if (query != null) {
919 query.incrementActualMessageCount();
920 }
921
922 if (query == null || query.isCatchup()) { //either no mam or catchup
923 if (status == Message.STATUS_SEND || status == Message.STATUS_SEND_RECEIVED) {
924 mXmppConnectionService.markRead(conversation);
925 if (query == null) {
926 activateGracePeriod(account);
927 }
928 } else {
929 message.markUnread();
930 notify = true;
931 }
932 }
933
934 if (message.getEncryption() == Message.ENCRYPTION_PGP) {
935 notify = conversation.getAccount().getPgpDecryptionService().decrypt(message, notify);
936 } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE || message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
937 notify = false;
938 }
939
940 if (query == null) {
941 extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
942 mXmppConnectionService.updateConversationUi();
943 }
944
945 if (mXmppConnectionService.confirmMessages()
946 && message.getStatus() == Message.STATUS_RECEIVED
947 && (message.trusted() || message.isPrivateMessage())
948 && remoteMsgId != null
949 && !selfAddressed
950 && !isTypeGroupChat) {
951 processMessageReceipts(account, packet, remoteMsgId, query);
952 }
953
954 if (message.getFileParams() != null) {
955 for (Cid cid : message.getFileParams().getCids()) {
956 File f = mXmppConnectionService.getFileForCid(cid);
957 if (f != null && f.canRead()) {
958 message.setRelativeFilePath(f.getAbsolutePath());
959 mXmppConnectionService.getFileBackend().updateFileParams(message, null, false);
960 break;
961 }
962 }
963 }
964
965 mXmppConnectionService.databaseBackend.createMessage(message);
966
967 final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
968 if (message.getRelativeFilePath() == null && message.trusted() && message.treatAsDownloadable() && manager.getAutoAcceptFileSize() > 0) {
969 if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
970 try {
971 BobTransfer transfer = new BobTransfer.ForMessage(message, mXmppConnectionService);
972 message.setTransferable(transfer);
973 transfer.start();
974 } catch (URISyntaxException e) {
975 Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
976 }
977 } else {
978 manager.createNewDownloadConnection(message);
979 }
980 } else if (notify) {
981 if (query != null && query.isCatchup()) {
982 mXmppConnectionService.getNotificationService().pushFromBacklog(message);
983 } else {
984 mXmppConnectionService.getNotificationService().push(message);
985 }
986 }
987 } else if (!packet.hasChild("body")) { //no body
988
989 final Conversation conversation = mXmppConnectionService.find(account, from.asBareJid());
990 if (axolotlEncrypted != null) {
991 Jid origin;
992 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
993 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
994 origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
995 if (origin == null) {
996 Log.d(Config.LOGTAG, "omemo key transport message in anonymous conference received");
997 return;
998 }
999 } else if (isTypeGroupChat) {
1000 return;
1001 } else {
1002 origin = from;
1003 }
1004 try {
1005 final XmppAxolotlMessage xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlEncrypted, origin.asBareJid());
1006 account.getAxolotlService().processReceivingKeyTransportMessage(xmppAxolotlMessage, query != null);
1007 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": omemo key transport message received from " + origin);
1008 } catch (Exception e) {
1009 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": invalid omemo key transport message received " + e.getMessage());
1010 return;
1011 }
1012 }
1013
1014 if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
1015 mXmppConnectionService.updateConversationUi();
1016 }
1017
1018 if (isTypeGroupChat) {
1019 if (packet.hasChild("subject") && !packet.hasChild("thread")) { // We already know it has no body per above
1020 if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
1021 conversation.setHasMessagesLeftOnServer(conversation.countMessages() > 0);
1022 final LocalizedContent subject = packet.findInternationalizedChildContentInDefaultNamespace("subject");
1023 if (subject != null && conversation.getMucOptions().setSubject(subject.content)) {
1024 mXmppConnectionService.updateConversation(conversation);
1025 }
1026 mXmppConnectionService.updateConversationUi();
1027 return;
1028 }
1029 }
1030 }
1031 if (conversation != null && mucUserElement != null && InvalidJid.hasValidFrom(packet) && from.isBareJid()) {
1032 for (Element child : mucUserElement.getChildren()) {
1033 if ("status".equals(child.getName())) {
1034 try {
1035 int code = Integer.parseInt(child.getAttribute("code"));
1036 if ((code >= 170 && code <= 174) || (code >= 102 && code <= 104)) {
1037 mXmppConnectionService.fetchConferenceConfiguration(conversation);
1038 break;
1039 }
1040 } catch (Exception e) {
1041 //ignored
1042 }
1043 } else if ("item".equals(child.getName())) {
1044 MucOptions.User user = AbstractParser.parseItem(conversation, child);
1045 Log.d(Config.LOGTAG, account.getJid() + ": changing affiliation for "
1046 + user.getRealJid() + " to " + user.getAffiliation() + " in "
1047 + conversation.getJid().asBareJid());
1048 if (!user.realJidMatchesAccount()) {
1049 boolean isNew = conversation.getMucOptions().updateUser(user);
1050 mXmppConnectionService.getAvatarService().clear(conversation);
1051 mXmppConnectionService.updateMucRosterUi();
1052 mXmppConnectionService.updateConversationUi();
1053 Contact contact = user.getContact();
1054 if (!user.getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
1055 Jid jid = user.getRealJid();
1056 List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
1057 if (cryptoTargets.remove(user.getRealJid())) {
1058 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
1059 conversation.setAcceptedCryptoTargets(cryptoTargets);
1060 mXmppConnectionService.updateConversation(conversation);
1061 }
1062 } else if (isNew
1063 && user.getRealJid() != null
1064 && conversation.getMucOptions().isPrivateAndNonAnonymous()
1065 && (contact == null || !contact.mutualPresenceSubscription())
1066 && account.getAxolotlService().hasEmptyDeviceList(user.getRealJid())) {
1067 account.getAxolotlService().fetchDeviceIds(user.getRealJid());
1068 }
1069 }
1070 }
1071 }
1072 }
1073 if (!isTypeGroupChat) {
1074 for (Element child : packet.getChildren()) {
1075 if (Namespace.JINGLE_MESSAGE.equals(child.getNamespace()) && JINGLE_MESSAGE_ELEMENT_NAMES.contains(child.getName())) {
1076 final String action = child.getName();
1077 final String sessionId = child.getAttribute("id");
1078 if (sessionId == null) {
1079 break;
1080 }
1081 if (query == null && offlineMessagesRetrieved) {
1082 if (serverMsgId == null) {
1083 serverMsgId = extractStanzaId(account, packet);
1084 }
1085 mXmppConnectionService
1086 .getJingleConnectionManager()
1087 .deliverMessage(
1088 account,
1089 packet.getTo(),
1090 packet.getFrom(),
1091 child,
1092 remoteMsgId,
1093 serverMsgId,
1094 timestamp);
1095 final Contact contact = account.getRoster().getContact(from);
1096 if (mXmppConnectionService.confirmMessages()
1097 && !contact.isSelf()
1098 && remoteMsgId != null
1099 && contact.showInContactList()) {
1100 processMessageReceipts(account, packet, remoteMsgId, null);
1101 }
1102 } else if ((query != null && query.isCatchup()) || !offlineMessagesRetrieved) {
1103 if ("propose".equals(action)) {
1104 final Element description = child.findChild("description");
1105 final String namespace =
1106 description == null ? null : description.getNamespace();
1107 if (Namespace.JINGLE_APPS_RTP.equals(namespace)) {
1108 final Conversation c =
1109 mXmppConnectionService.findOrCreateConversation(
1110 account, counterpart.asBareJid(), false, false);
1111 final Message preExistingMessage =
1112 c.findRtpSession(sessionId, status);
1113 if (preExistingMessage != null) {
1114 preExistingMessage.setServerMsgId(serverMsgId);
1115 mXmppConnectionService.updateMessage(preExistingMessage);
1116 break;
1117 }
1118 final Message message =
1119 new Message(
1120 c, status, Message.TYPE_RTP_SESSION, sessionId);
1121 message.setServerMsgId(serverMsgId);
1122 message.setTime(timestamp);
1123 message.setBody(new RtpSessionStatus(false, 0).toString());
1124 c.add(message);
1125 mXmppConnectionService.databaseBackend.createMessage(message);
1126 }
1127 } else if ("proceed".equals(action)) {
1128 // status needs to be flipped to find the original propose
1129 final Conversation c =
1130 mXmppConnectionService.findOrCreateConversation(
1131 account, counterpart.asBareJid(), false, false);
1132 final int s =
1133 packet.fromAccount(account)
1134 ? Message.STATUS_RECEIVED
1135 : Message.STATUS_SEND;
1136 final Message message = c.findRtpSession(sessionId, s);
1137 if (message != null) {
1138 message.setBody(new RtpSessionStatus(true, 0).toString());
1139 if (serverMsgId != null) {
1140 message.setServerMsgId(serverMsgId);
1141 }
1142 message.setTime(timestamp);
1143 mXmppConnectionService.updateMessage(message, true);
1144 } else {
1145 Log.d(
1146 Config.LOGTAG,
1147 "unable to find original rtp session message for received propose");
1148 }
1149
1150 } else if ("finish".equals(action)) {
1151 Log.d(
1152 Config.LOGTAG,
1153 "received JMI 'finish' during MAM catch-up. Can be used to update success/failure and duration");
1154 }
1155 } else {
1156 //MAM reloads (non catchups
1157 if ("propose".equals(action)) {
1158 final Element description = child.findChild("description");
1159 final String namespace = description == null ? null : description.getNamespace();
1160 if (Namespace.JINGLE_APPS_RTP.equals(namespace)) {
1161 final Conversation c = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), false, false);
1162 final Message preExistingMessage = c.findRtpSession(sessionId, status);
1163 if (preExistingMessage != null) {
1164 preExistingMessage.setServerMsgId(serverMsgId);
1165 mXmppConnectionService.updateMessage(preExistingMessage);
1166 break;
1167 }
1168 final Message message = new Message(
1169 c,
1170 status,
1171 Message.TYPE_RTP_SESSION,
1172 sessionId
1173 );
1174 message.setServerMsgId(serverMsgId);
1175 message.setTime(timestamp);
1176 message.setBody(new RtpSessionStatus(true, 0).toString());
1177 if (query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
1178 c.prepend(query.getActualInThisQuery(), message);
1179 } else {
1180 c.add(message);
1181 }
1182 query.incrementActualMessageCount();
1183 mXmppConnectionService.databaseBackend.createMessage(message);
1184 }
1185 }
1186 }
1187 break;
1188 }
1189 }
1190 }
1191 }
1192
1193 Element received = packet.findChild("received", "urn:xmpp:chat-markers:0");
1194 if (received == null) {
1195 received = packet.findChild("received", "urn:xmpp:receipts");
1196 }
1197 if (received != null) {
1198 String id = received.getAttribute("id");
1199 if (packet.fromAccount(account)) {
1200 if (query != null && id != null && packet.getTo() != null) {
1201 query.removePendingReceiptRequest(new ReceiptRequest(packet.getTo(), id));
1202 }
1203 } else if (id != null) {
1204 if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
1205 final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
1206 mXmppConnectionService.getJingleConnectionManager()
1207 .updateProposedSessionDiscovered(account, from, sessionId, JingleConnectionManager.DeviceDiscoveryState.DISCOVERED);
1208 } else {
1209 mXmppConnectionService.markMessage(account, from.asBareJid(), id, Message.STATUS_SEND_RECEIVED);
1210 }
1211 }
1212 }
1213 final Element displayed = packet.findChild("displayed", "urn:xmpp:chat-markers:0");
1214 if (displayed != null) {
1215 final String id = displayed.getAttribute("id");
1216 final Jid sender = InvalidJid.getNullForInvalid(displayed.getAttributeAsJid("sender"));
1217 if (packet.fromAccount(account) && !selfAddressed) {
1218 final Conversation c =
1219 mXmppConnectionService.find(account, counterpart.asBareJid());
1220 final Message message =
1221 (c == null || id == null) ? null : c.findReceivedWithRemoteId(id);
1222 if (message != null && (query == null || query.isCatchup())) {
1223 mXmppConnectionService.markReadUpTo(c, message);
1224 }
1225 if (query == null) {
1226 activateGracePeriod(account);
1227 }
1228 } else if (isTypeGroupChat) {
1229 final Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
1230 final Message message;
1231 if (conversation != null && id != null) {
1232 if (sender != null) {
1233 message = conversation.findMessageWithRemoteId(id, sender);
1234 } else {
1235 message = conversation.findMessageWithServerMsgId(id);
1236 }
1237 } else {
1238 message = null;
1239 }
1240 if (message != null) {
1241 final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
1242 final Jid trueJid = getTrueCounterpart((query != null && query.safeToExtractTrueCounterpart()) ? mucUserElement : null, fallback);
1243 final boolean trueJidMatchesAccount = account.getJid().asBareJid().equals(trueJid == null ? null : trueJid.asBareJid());
1244 if (trueJidMatchesAccount || conversation.getMucOptions().isSelf(counterpart)) {
1245 if (!message.isRead() && (query == null || query.isCatchup())) { //checking if message is unread fixes race conditions with reflections
1246 mXmppConnectionService.markReadUpTo(conversation, message);
1247 }
1248 } else if (!counterpart.isBareJid() && trueJid != null) {
1249 final ReadByMarker readByMarker = ReadByMarker.from(counterpart, trueJid);
1250 if (message.addReadByMarker(readByMarker)) {
1251 final var mucOptions = conversation.getMucOptions();
1252 final var everyone = ImmutableSet.copyOf(mucOptions.getMembers(false));
1253 final var readyBy = message.getReadyByTrue();
1254 final var mStatus = message.getStatus();
1255 if (mucOptions.isPrivateAndNonAnonymous()
1256 && (mStatus == Message.STATUS_SEND_RECEIVED
1257 || mStatus == Message.STATUS_SEND)
1258 && readyBy.containsAll(everyone)) {
1259 message.setStatus(Message.STATUS_SEND_DISPLAYED);
1260 }
1261 mXmppConnectionService.updateMessage(message, false);
1262 }
1263 }
1264 }
1265 } else {
1266 final Message displayedMessage = mXmppConnectionService.markMessage(account, from.asBareJid(), id, Message.STATUS_SEND_DISPLAYED);
1267 Message message = displayedMessage == null ? null : displayedMessage.prev();
1268 while (message != null
1269 && message.getStatus() == Message.STATUS_SEND_RECEIVED
1270 && message.getTimeSent() < displayedMessage.getTimeSent()) {
1271 mXmppConnectionService.markMessage(message, Message.STATUS_SEND_DISPLAYED);
1272 message = message.prev();
1273 }
1274 if (displayedMessage != null && selfAddressed) {
1275 dismissNotification(account, counterpart, query, id);
1276 }
1277 }
1278 }
1279
1280 final Element event = original.findChild("event", "http://jabber.org/protocol/pubsub#event");
1281 if (event != null && InvalidJid.hasValidFrom(original) && original.getFrom().isBareJid()) {
1282 if (event.hasChild("items")) {
1283 parseEvent(event, original.getFrom(), account);
1284 } else if (event.hasChild("delete")) {
1285 parseDeleteEvent(event, original.getFrom(), account);
1286 } else if (event.hasChild("purge")) {
1287 parsePurgeEvent(event, original.getFrom(), account);
1288 }
1289 }
1290
1291 final String nick = packet.findChildContent("nick", Namespace.NICK);
1292 if (nick != null && InvalidJid.hasValidFrom(original)) {
1293 if (mXmppConnectionService.isMuc(account, from)) {
1294 return;
1295 }
1296 final Contact contact = account.getRoster().getContact(from);
1297 if (contact.setPresenceName(nick)) {
1298 mXmppConnectionService.syncRoster(account);
1299 mXmppConnectionService.getAvatarService().clear(contact);
1300 }
1301 }
1302 }
1303
1304 private static Pair<im.conversations.android.xmpp.model.stanza.Message,Long> getForwardedMessagePacket(final im.conversations.android.xmpp.model.stanza.Message original, Class<? extends Extension> clazz) {
1305 final var extension = original.getExtension(clazz);
1306 final var forwarded = extension == null ? null : extension.getExtension(Forwarded.class);
1307 if (forwarded == null) {
1308 return null;
1309 }
1310 final Long timestamp = AbstractParser.parseTimestamp(forwarded, null);
1311 final var forwardedMessage = forwarded.getMessage();
1312 if (forwardedMessage == null) {
1313 return null;
1314 }
1315 return new Pair<>(forwardedMessage,timestamp);
1316 }
1317
1318 private static Pair<im.conversations.android.xmpp.model.stanza.Message,Long> getForwardedMessagePacket(final im.conversations.android.xmpp.model.stanza.Message original, final String name, final String namespace) {
1319 final Element wrapper = original.findChild(name, namespace);
1320 final var forwardedElement = wrapper == null ? null : wrapper.findChild("forwarded",Namespace.FORWARD);
1321 if (forwardedElement instanceof Forwarded forwarded) {
1322 final Long timestamp = AbstractParser.parseTimestamp(forwarded, null);
1323 final var forwardedMessage = forwarded.getMessage();
1324 if (forwardedMessage == null) {
1325 return null;
1326 }
1327 return new Pair<>(forwardedMessage,timestamp);
1328 }
1329 return null;
1330 }
1331
1332 private void dismissNotification(Account account, Jid counterpart, MessageArchiveService.Query query, final String id) {
1333 final Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
1334 if (conversation != null && (query == null || query.isCatchup())) {
1335 final String displayableId = conversation.findMostRecentRemoteDisplayableId();
1336 if (displayableId != null && displayableId.equals(id)) {
1337 mXmppConnectionService.markRead(conversation);
1338 } else {
1339 Log.w(Config.LOGTAG, account.getJid().asBareJid() + ": received dismissing display marker that did not match our last id in that conversation");
1340 }
1341 }
1342 }
1343
1344 private void processMessageReceipts(final Account account, final im.conversations.android.xmpp.model.stanza.Message packet, final String remoteMsgId, MessageArchiveService.Query query) {
1345 final boolean markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
1346 final boolean request = packet.hasChild("request", "urn:xmpp:receipts");
1347 if (query == null) {
1348 final ArrayList<String> receiptsNamespaces = new ArrayList<>();
1349 if (markable) {
1350 receiptsNamespaces.add("urn:xmpp:chat-markers:0");
1351 }
1352 if (request) {
1353 receiptsNamespaces.add("urn:xmpp:receipts");
1354 }
1355 if (receiptsNamespaces.size() > 0) {
1356 final var receipt = mXmppConnectionService.getMessageGenerator().received(account,
1357 packet.getFrom(),
1358 remoteMsgId,
1359 receiptsNamespaces,
1360 packet.getType());
1361 mXmppConnectionService.sendMessagePacket(account, receipt);
1362 }
1363 } else if (query.isCatchup()) {
1364 if (request) {
1365 query.addPendingReceiptRequest(new ReceiptRequest(packet.getFrom(), remoteMsgId));
1366 }
1367 }
1368 }
1369
1370 private void activateGracePeriod(Account account) {
1371 long duration = mXmppConnectionService.getLongPreference("grace_period_length", R.integer.grace_period) * 1000;
1372 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": activating grace period till " + TIME_FORMAT.format(new Date(System.currentTimeMillis() + duration)));
1373 account.activateGracePeriod(duration);
1374 }
1375
1376 private class Invite {
1377 final Jid jid;
1378 final String password;
1379 final boolean direct;
1380 final Jid inviter;
1381
1382 Invite(Jid jid, String password, boolean direct, Jid inviter) {
1383 this.jid = jid;
1384 this.password = password;
1385 this.direct = direct;
1386 this.inviter = inviter;
1387 }
1388
1389 public boolean execute(final Account account) {
1390 if (this.jid == null) {
1391 return false;
1392 }
1393 final Contact contact = this.inviter != null ? account.getRoster().getContact(this.inviter) : null;
1394 if (contact != null && contact.isBlocked()) {
1395 Log.d(Config.LOGTAG,account.getJid().asBareJid()+": ignore invite from "+contact.getJid()+" because contact is blocked");
1396 return false;
1397 }
1398 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid, true, false);
1399 conversation.setAttribute("inviter", inviter.toEscapedString());
1400 if (conversation.getMucOptions().online()) {
1401 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received invite to " + jid + " but muc is considered to be online");
1402 mXmppConnectionService.mucSelfPingAndRejoin(conversation);
1403 } else {
1404 conversation.getMucOptions().setPassword(password);
1405 mXmppConnectionService.databaseBackend.updateConversation(conversation);
1406 mXmppConnectionService.joinMuc(conversation, contact != null && contact.showInContactList());
1407 mXmppConnectionService.updateConversationUi();
1408 }
1409 return true;
1410 }
1411 }
1412}