cheogram/src/main/java/eu/siacs/conversations/parser/MessageParser.java
2020-12-10 19:05:04 +01:00

1111 lines
61 KiB
Java

package eu.siacs.conversations.parser;
import android.util.Log;
import android.util.Pair;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.crypto.axolotl.AxolotlService;
import eu.siacs.conversations.crypto.axolotl.BrokenSessionException;
import eu.siacs.conversations.crypto.axolotl.NotEncryptedForThisDeviceException;
import eu.siacs.conversations.crypto.axolotl.OutdatedSenderException;
import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Bookmark;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Conversational;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.entities.MucOptions;
import eu.siacs.conversations.entities.ReadByMarker;
import eu.siacs.conversations.entities.ReceiptRequest;
import eu.siacs.conversations.entities.RtpSessionStatus;
import eu.siacs.conversations.http.HttpConnectionManager;
import eu.siacs.conversations.http.P1S3UrlStreamHandler;
import eu.siacs.conversations.services.MessageArchiveService;
import eu.siacs.conversations.services.QuickConversationsService;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.utils.CryptoHelper;
import eu.siacs.conversations.xml.LocalizedContent;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.InvalidJid;
import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
import eu.siacs.conversations.xmpp.chatstate.ChatState;
import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
import eu.siacs.conversations.xmpp.pep.Avatar;
import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
import eu.siacs.conversations.xmpp.Jid;
public class MessageParser extends AbstractParser implements OnMessagePacketReceived {
private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss", Locale.ENGLISH);
private static final List<String> JINGLE_MESSAGE_ELEMENT_NAMES = Arrays.asList("accept", "propose", "proceed", "reject", "retract");
public MessageParser(XmppConnectionService service) {
super(service);
}
private static String extractStanzaId(Element packet, boolean isTypeGroupChat, Conversation conversation) {
final Jid by;
final boolean safeToExtract;
if (isTypeGroupChat) {
by = conversation.getJid().asBareJid();
safeToExtract = conversation.getMucOptions().hasFeature(Namespace.STANZA_IDS);
} else {
Account account = conversation.getAccount();
by = account.getJid().asBareJid();
safeToExtract = account.getXmppConnection().getFeatures().stanzaIds();
}
return safeToExtract ? extractStanzaId(packet, by) : null;
}
private static String extractStanzaId(Account account, Element packet) {
final boolean safeToExtract = account.getXmppConnection().getFeatures().stanzaIds();
return safeToExtract ? extractStanzaId(packet, account.getJid().asBareJid()) : null;
}
private static String extractStanzaId(Element packet, Jid by) {
for (Element child : packet.getChildren()) {
if (child.getName().equals("stanza-id")
&& Namespace.STANZA_IDS.equals(child.getNamespace())
&& by.equals(InvalidJid.getNullForInvalid(child.getAttributeAsJid("by")))) {
return child.getAttribute("id");
}
}
return null;
}
private static Jid getTrueCounterpart(Element mucUserElement, Jid fallback) {
final Element item = mucUserElement == null ? null : mucUserElement.findChild("item");
Jid result = item == null ? null : InvalidJid.getNullForInvalid(item.getAttributeAsJid("jid"));
return result != null ? result : fallback;
}
private boolean extractChatState(Conversation c, final boolean isTypeGroupChat, final MessagePacket packet) {
ChatState state = ChatState.parse(packet);
if (state != null && c != null) {
final Account account = c.getAccount();
final Jid from = packet.getFrom();
if (from.asBareJid().equals(account.getJid().asBareJid())) {
c.setOutgoingChatState(state);
if (state == ChatState.ACTIVE || state == ChatState.COMPOSING) {
if (c.getContact().isSelf()) {
return false;
}
mXmppConnectionService.markRead(c);
activateGracePeriod(account);
}
return false;
} else {
if (isTypeGroupChat) {
MucOptions.User user = c.getMucOptions().findUserByFullJid(from);
if (user != null) {
return user.setChatState(state);
} else {
return false;
}
} else {
return c.setIncomingChatState(state);
}
}
}
return false;
}
private Message parseAxolotlChat(Element axolotlMessage, Jid from, Conversation conversation, int status, final boolean checkedForDuplicates, boolean postpone) {
final AxolotlService service = conversation.getAccount().getAxolotlService();
final XmppAxolotlMessage xmppAxolotlMessage;
try {
xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlMessage, from.asBareJid());
} catch (Exception e) {
Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": invalid omemo message received " + e.getMessage());
return null;
}
if (xmppAxolotlMessage.hasPayload()) {
final XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage;
try {
plaintextMessage = service.processReceivingPayloadMessage(xmppAxolotlMessage, postpone);
} catch (BrokenSessionException e) {
if (checkedForDuplicates) {
if (service.trustedOrPreviouslyResponded(from.asBareJid())) {
service.reportBrokenSessionException(e, postpone);
return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
} else {
Log.d(Config.LOGTAG, "ignoring broken session exception because contact was not trusted");
return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
}
} else {
Log.d(Config.LOGTAG, "ignoring broken session exception because checkForDuplicates failed");
return null;
}
} catch (NotEncryptedForThisDeviceException e) {
return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE, status);
} catch (OutdatedSenderException e) {
return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
}
if (plaintextMessage != null) {
Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);
finishedMessage.setFingerprint(plaintextMessage.getFingerprint());
Log.d(Config.LOGTAG, AxolotlService.getLogprefix(finishedMessage.getConversation().getAccount()) + " Received Message with session fingerprint: " + plaintextMessage.getFingerprint());
return finishedMessage;
}
} else {
Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": received OMEMO key transport message");
service.processReceivingKeyTransportMessage(xmppAxolotlMessage, postpone);
}
return null;
}
private Invite extractInvite(Element message) {
final Element mucUser = message.findChild("x", Namespace.MUC_USER);
if (mucUser != null) {
Element invite = mucUser.findChild("invite");
if (invite != null) {
String password = mucUser.findChildContent("password");
Jid from = InvalidJid.getNullForInvalid(invite.getAttributeAsJid("from"));
Jid room = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
if (room == null) {
return null;
}
return new Invite(room, password, false, from);
}
}
final Element conference = message.findChild("x", "jabber:x:conference");
if (conference != null) {
Jid from = InvalidJid.getNullForInvalid(message.getAttributeAsJid("from"));
Jid room = InvalidJid.getNullForInvalid(conference.getAttributeAsJid("jid"));
if (room == null) {
return null;
}
return new Invite(room, conference.getAttribute("password"), true, from);
}
return null;
}
private void parseEvent(final Element event, final Jid from, final Account account) {
Element items = event.findChild("items");
String node = items == null ? null : items.getAttribute("node");
if ("urn:xmpp:avatar:metadata".equals(node)) {
Avatar avatar = Avatar.parseMetadata(items);
if (avatar != null) {
avatar.owner = from.asBareJid();
if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
if (account.getJid().asBareJid().equals(from)) {
if (account.setAvatar(avatar.getFilename())) {
mXmppConnectionService.databaseBackend.updateAccount(account);
mXmppConnectionService.notifyAccountAvatarHasChanged(account);
}
mXmppConnectionService.getAvatarService().clear(account);
mXmppConnectionService.updateConversationUi();
mXmppConnectionService.updateAccountUi();
} else {
final Contact contact = account.getRoster().getContact(from);
contact.setAvatar(avatar);
mXmppConnectionService.syncRoster(account);
mXmppConnectionService.getAvatarService().clear(contact);
mXmppConnectionService.updateConversationUi();
mXmppConnectionService.updateRosterUi();
}
} else if (mXmppConnectionService.isDataSaverDisabled()) {
mXmppConnectionService.fetchAvatar(account, avatar);
}
}
} else if (Namespace.NICK.equals(node)) {
final Element i = items.findChild("item");
final String nick = i == null ? null : i.findChildContent("nick", Namespace.NICK);
if (nick != null) {
setNick(account, from, nick);
}
} else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) {
Element item = items.findChild("item");
Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received PEP device list " + deviceIds + " update from " + from + ", processing... ");
AxolotlService axolotlService = account.getAxolotlService();
axolotlService.registerDevices(from, deviceIds);
} else if (Namespace.BOOKMARKS.equals(node) && account.getJid().asBareJid().equals(from)) {
if (account.getXmppConnection().getFeatures().bookmarksConversion()) {
final Element i = items.findChild("item");
final Element storage = i == null ? null : i.findChild("storage", Namespace.BOOKMARKS);
Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
mXmppConnectionService.processBookmarksInitial(account, bookmarks, true);
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": processing bookmark PEP event");
} else {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignoring bookmark PEP event because bookmark conversion was not detected");
}
} else if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
final Element item = items.findChild("item");
final Element retract = items.findChild("retract");
if (item != null) {
final Bookmark bookmark = Bookmark.parseFromItem(item, account);
if (bookmark != null) {
account.putBookmark(bookmark);
mXmppConnectionService.processModifiedBookmark(bookmark);
mXmppConnectionService.updateConversationUi();
}
}
if (retract != null) {
final Jid id = InvalidJid.getNullForInvalid(retract.getAttributeAsJid("id"));
if (id != null) {
account.removeBookmark(id);
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": deleted bookmark for " + id);
mXmppConnectionService.processDeletedBookmark(account, id);
mXmppConnectionService.updateConversationUi();
}
}
} else {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + " received pubsub notification for node=" + node);
}
}
private void parseDeleteEvent(final Element event, final Jid from, final Account account) {
final Element delete = event.findChild("delete");
final String node = delete == null ? null : delete.getAttribute("node");
if (Namespace.NICK.equals(node)) {
Log.d(Config.LOGTAG, "parsing nick delete event from " + from);
setNick(account, from, null);
} else if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
account.setBookmarks(Collections.emptyMap());
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": deleted bookmarks node");
}
}
private void parsePurgeEvent(final Element event, final Jid from, final Account account) {
final Element purge = event.findChild("purge");
final String node = purge == null ? null : purge.getAttribute("node");
if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
account.setBookmarks(Collections.emptyMap());
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": purged bookmarks");
}
}
private void setNick(Account account, Jid user, String nick) {
if (user.asBareJid().equals(account.getJid().asBareJid())) {
account.setDisplayName(nick);
if (QuickConversationsService.isQuicksy()) {
mXmppConnectionService.getAvatarService().clear(account);
}
} else {
Contact contact = account.getRoster().getContact(user);
if (contact.setPresenceName(nick)) {
mXmppConnectionService.syncRoster(account);
mXmppConnectionService.getAvatarService().clear(contact);
}
}
mXmppConnectionService.updateConversationUi();
mXmppConnectionService.updateAccountUi();
}
private boolean handleErrorMessage(final Account account, final MessagePacket packet) {
if (packet.getType() == MessagePacket.TYPE_ERROR) {
if (packet.fromServer(account)) {
final Pair<MessagePacket, Long> forwarded = packet.getForwardedMessagePacket("received", "urn:xmpp:carbons:2");
if (forwarded != null) {
return handleErrorMessage(account, forwarded.first);
}
}
final Jid from = packet.getFrom();
final String id = packet.getId();
if (from != null && id != null) {
if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
mXmppConnectionService.getJingleConnectionManager()
.updateProposedSessionDiscovered(account, from, sessionId, JingleConnectionManager.DeviceDiscoveryState.FAILED);
return true;
}
if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROCEED_ID_PREFIX)) {
final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROCEED_ID_PREFIX.length());
mXmppConnectionService.getJingleConnectionManager().failProceed(account, from, sessionId);
return true;
}
mXmppConnectionService.markMessage(account,
from.asBareJid(),
id,
Message.STATUS_SEND_FAILED,
extractErrorMessage(packet));
final Element error = packet.findChild("error");
final boolean pingWorthyError = error != null && (error.hasChild("not-acceptable") || error.hasChild("remote-server-timeout") || error.hasChild("remote-server-not-found"));
if (pingWorthyError) {
Conversation conversation = mXmppConnectionService.find(account, from);
if (conversation != null && conversation.getMode() == Conversational.MODE_MULTI) {
if (conversation.getMucOptions().online()) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received ping worthy error for seemingly online muc at " + from);
mXmppConnectionService.mucSelfPingAndRejoin(conversation);
}
}
}
}
return true;
}
return false;
}
@Override
public void onMessagePacketReceived(Account account, MessagePacket original) {
if (handleErrorMessage(account, original)) {
return;
}
final MessagePacket packet;
Long timestamp = null;
boolean isCarbon = false;
String serverMsgId = null;
final Element fin = original.findChild("fin", MessageArchiveService.Version.MAM_0.namespace);
if (fin != null) {
mXmppConnectionService.getMessageArchiveService().processFinLegacy(fin, original.getFrom());
return;
}
final Element result = MessageArchiveService.Version.findResult(original);
final String queryId = result == null ? null : result.getAttribute("queryid");
final MessageArchiveService.Query query = queryId == null ? null : mXmppConnectionService.getMessageArchiveService().findQuery(queryId);
if (query != null && query.validFrom(original.getFrom())) {
final Pair<MessagePacket, Long> f = original.getForwardedMessagePacket("result", query.version.namespace);
if (f == null) {
return;
}
timestamp = f.second;
packet = f.first;
serverMsgId = result.getAttribute("id");
query.incrementMessageCount();
if (handleErrorMessage(account, packet)) {
return;
}
} else if (query != null) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received mam result with invalid from ("+original.getFrom()+") or queryId ("+queryId+")");
return;
} else if (original.fromServer(account)) {
Pair<MessagePacket, Long> f;
f = original.getForwardedMessagePacket("received", "urn:xmpp:carbons:2");
f = f == null ? original.getForwardedMessagePacket("sent", "urn:xmpp:carbons:2") : f;
packet = f != null ? f.first : original;
if (handleErrorMessage(account, packet)) {
return;
}
timestamp = f != null ? f.second : null;
isCarbon = f != null;
} else {
packet = original;
}
if (timestamp == null) {
timestamp = AbstractParser.parseTimestamp(original, AbstractParser.parseTimestamp(packet));
}
final LocalizedContent body = packet.getBody();
final Element mucUserElement = packet.findChild("x", Namespace.MUC_USER);
final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
final Element replaceElement = packet.findChild("replace", "urn:xmpp:message-correct:0");
final Element oob = packet.findChild("x", Namespace.OOB);
final Element xP1S3 = packet.findChild("x", Namespace.P1_S3_FILE_TRANSFER);
final URL xP1S3url = xP1S3 == null ? null : P1S3UrlStreamHandler.of(xP1S3);
final String oobUrl = oob != null ? oob.findChildContent("url") : null;
final String replacementId = replaceElement == null ? null : replaceElement.getAttribute("id");
final Element axolotlEncrypted = packet.findChildEnsureSingle(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX);
int status;
final Jid counterpart;
final Jid to = packet.getTo();
final Jid from = packet.getFrom();
final Element originId = packet.findChild("origin-id", Namespace.STANZA_IDS);
final String remoteMsgId;
if (originId != null && originId.getAttribute("id") != null) {
remoteMsgId = originId.getAttribute("id");
} else {
remoteMsgId = packet.getId();
}
boolean notify = false;
if (from == null || !InvalidJid.isValid(from) || !InvalidJid.isValid(to)) {
Log.e(Config.LOGTAG, "encountered invalid message from='" + from + "' to='" + to + "'");
return;
}
boolean isTypeGroupChat = packet.getType() == MessagePacket.TYPE_GROUPCHAT;
if (query != null && !query.muc() && isTypeGroupChat) {
Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": received groupchat (" + from + ") message on regular MAM request. skipping");
return;
}
boolean isMucStatusMessage = InvalidJid.hasValidFrom(packet) && from.isBareJid() && mucUserElement != null && mucUserElement.hasChild("status");
boolean selfAddressed;
if (packet.fromAccount(account)) {
status = Message.STATUS_SEND;
selfAddressed = to == null || account.getJid().asBareJid().equals(to.asBareJid());
if (selfAddressed) {
counterpart = from;
} else {
counterpart = to != null ? to : account.getJid();
}
} else {
status = Message.STATUS_RECEIVED;
counterpart = from;
selfAddressed = false;
}
final Invite invite = extractInvite(packet);
if (invite != null) {
if (isTypeGroupChat) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignoring invite to " + invite.jid + " because type=groupchat");
} else if (invite.direct && (mucUserElement != null || invite.inviter == null || mXmppConnectionService.isMuc(account, invite.inviter))) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignoring direct invite to " + invite.jid + " because it was received in MUC");
} else {
invite.execute(account);
return;
}
}
if ((body != null || pgpEncrypted != null || (axolotlEncrypted != null && axolotlEncrypted.hasChild("payload")) || oobUrl != null || xP1S3 != null) && !isMucStatusMessage) {
final boolean conversationIsProbablyMuc = isTypeGroupChat || mucUserElement != null || account.getXmppConnection().getMucServersWithholdAccount().contains(counterpart.getDomain().toEscapedString());
final Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), conversationIsProbablyMuc, false, query, false);
final boolean conversationMultiMode = conversation.getMode() == Conversation.MODE_MULTI;
if (serverMsgId == null) {
serverMsgId = extractStanzaId(packet, isTypeGroupChat, conversation);
}
if (selfAddressed) {
if (mXmppConnectionService.markMessage(conversation, remoteMsgId, Message.STATUS_SEND_RECEIVED, serverMsgId)) {
return;
}
status = Message.STATUS_RECEIVED;
if (remoteMsgId != null && conversation.findMessageWithRemoteId(remoteMsgId, counterpart) != null) {
return;
}
}
if (isTypeGroupChat) {
if (conversation.getMucOptions().isSelf(counterpart)) {
status = Message.STATUS_SEND_RECEIVED;
isCarbon = true; //not really carbon but received from another resource
//TODO this would be the place to change the body after something like mod_pastebin
if (mXmppConnectionService.markMessage(conversation, remoteMsgId, status, serverMsgId)) {
return;
} else if (remoteMsgId == null || Config.IGNORE_ID_REWRITE_IN_MUC) {
LocalizedContent localizedBody = packet.getBody();
if (localizedBody != null) {
Message message = conversation.findSentMessageWithBody(localizedBody.content);
if (message != null) {
mXmppConnectionService.markMessage(message, status);
return;
}
}
}
} else {
status = Message.STATUS_RECEIVED;
}
}
final Message message;
if (xP1S3url != null) {
message = new Message(conversation, xP1S3url.toString(), Message.ENCRYPTION_NONE, status);
message.setOob(true);
if (CryptoHelper.isPgpEncryptedUrl(xP1S3url.toString())) {
message.setEncryption(Message.ENCRYPTION_DECRYPTED);
}
} else if (pgpEncrypted != null && Config.supportOpenPgp()) {
message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status);
} else if (axolotlEncrypted != null && Config.supportOmemo()) {
Jid origin;
Set<Jid> fallbacksBySourceId = Collections.emptySet();
if (conversationMultiMode) {
final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
if (origin == null) {
try {
fallbacksBySourceId = account.getAxolotlService().findCounterpartsBySourceId(XmppAxolotlMessage.parseSourceId(axolotlEncrypted));
} catch (IllegalArgumentException e) {
//ignoring
}
}
if (origin == null && fallbacksBySourceId.size() == 0) {
Log.d(Config.LOGTAG, "axolotl message in anonymous conference received and no possible fallbacks");
return;
}
} else {
fallbacksBySourceId = Collections.emptySet();
origin = from;
}
final boolean liveMessage = query == null && !isTypeGroupChat && mucUserElement == null;
final boolean checkedForDuplicates = liveMessage || (serverMsgId != null && remoteMsgId != null && !conversation.possibleDuplicate(serverMsgId, remoteMsgId));
if (origin != null) {
message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status, checkedForDuplicates, query != null);
} else {
Message trial = null;
for (Jid fallback : fallbacksBySourceId) {
trial = parseAxolotlChat(axolotlEncrypted, fallback, conversation, status, checkedForDuplicates && fallbacksBySourceId.size() == 1, query != null);
if (trial != null) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": decoded muc message using fallback");
origin = fallback;
break;
}
}
message = trial;
}
if (message == null) {
if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
mXmppConnectionService.updateConversationUi();
}
if (query != null && status == Message.STATUS_SEND && remoteMsgId != null) {
Message previouslySent = conversation.findSentMessageWithUuid(remoteMsgId);
if (previouslySent != null && previouslySent.getServerMsgId() == null && serverMsgId != null) {
previouslySent.setServerMsgId(serverMsgId);
mXmppConnectionService.databaseBackend.updateMessage(previouslySent, false);
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": encountered previously sent OMEMO message without serverId. updating...");
}
}
return;
}
if (conversationMultiMode) {
message.setTrueCounterpart(origin);
}
} else if (body == null && oobUrl != null) {
message = new Message(conversation, oobUrl, Message.ENCRYPTION_NONE, status);
message.setOob(true);
if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
message.setEncryption(Message.ENCRYPTION_DECRYPTED);
}
} else {
message = new Message(conversation, body.content, Message.ENCRYPTION_NONE, status);
if (body.count > 1) {
message.setBodyLanguage(body.language);
}
}
message.setCounterpart(counterpart);
message.setRemoteMsgId(remoteMsgId);
message.setServerMsgId(serverMsgId);
message.setCarbon(isCarbon);
message.setTime(timestamp);
if (body != null && body.content != null && body.content.equals(oobUrl)) {
message.setOob(true);
if (CryptoHelper.isPgpEncryptedUrl(oobUrl)) {
message.setEncryption(Message.ENCRYPTION_DECRYPTED);
}
}
message.markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
if (conversationMultiMode) {
message.setMucUser(conversation.getMucOptions().findUserByFullJid(counterpart));
final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
Jid trueCounterpart;
if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
trueCounterpart = message.getTrueCounterpart();
} else if (query != null && query.safeToExtractTrueCounterpart()) {
trueCounterpart = getTrueCounterpart(mucUserElement, fallback);
} else {
trueCounterpart = fallback;
}
if (trueCounterpart != null && isTypeGroupChat) {
if (trueCounterpart.asBareJid().equals(account.getJid().asBareJid())) {
status = isTypeGroupChat ? Message.STATUS_SEND_RECEIVED : Message.STATUS_SEND;
} else {
status = Message.STATUS_RECEIVED;
message.setCarbon(false);
}
}
message.setStatus(status);
message.setTrueCounterpart(trueCounterpart);
if (!isTypeGroupChat) {
message.setType(Message.TYPE_PRIVATE);
}
} else {
updateLastseen(account, from);
}
if (replacementId != null && mXmppConnectionService.allowMessageCorrection()) {
final Message replacedMessage = conversation.findMessageWithRemoteIdAndCounterpart(replacementId,
counterpart,
message.getStatus() == Message.STATUS_RECEIVED,
message.isCarbon());
if (replacedMessage != null) {
final boolean fingerprintsMatch = replacedMessage.getFingerprint() == null
|| replacedMessage.getFingerprint().equals(message.getFingerprint());
final boolean trueCountersMatch = replacedMessage.getTrueCounterpart() != null
&& message.getTrueCounterpart() != null
&& replacedMessage.getTrueCounterpart().asBareJid().equals(message.getTrueCounterpart().asBareJid());
final boolean mucUserMatches = query == null && replacedMessage.sameMucUser(message); //can not be checked when using mam
final boolean duplicate = conversation.hasDuplicateMessage(message);
if (fingerprintsMatch && (trueCountersMatch || !conversationMultiMode || mucUserMatches) && !duplicate) {
Log.d(Config.LOGTAG, "replaced message '" + replacedMessage.getBody() + "' with '" + message.getBody() + "'");
synchronized (replacedMessage) {
final String uuid = replacedMessage.getUuid();
replacedMessage.setUuid(UUID.randomUUID().toString());
replacedMessage.setBody(message.getBody());
replacedMessage.putEdited(replacedMessage.getRemoteMsgId(), replacedMessage.getServerMsgId());
replacedMessage.setRemoteMsgId(remoteMsgId);
if (replacedMessage.getServerMsgId() == null || message.getServerMsgId() != null) {
replacedMessage.setServerMsgId(message.getServerMsgId());
}
replacedMessage.setEncryption(message.getEncryption());
if (replacedMessage.getStatus() == Message.STATUS_RECEIVED) {
replacedMessage.markUnread();
}
extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
mXmppConnectionService.updateMessage(replacedMessage, uuid);
if (mXmppConnectionService.confirmMessages()
&& replacedMessage.getStatus() == Message.STATUS_RECEIVED
&& (replacedMessage.trusted() || replacedMessage.isPrivateMessage()) //TODO do we really want to send receipts for all PMs?
&& remoteMsgId != null
&& !selfAddressed
&& !isTypeGroupChat) {
processMessageReceipts(account, packet, remoteMsgId, query);
}
if (replacedMessage.getEncryption() == Message.ENCRYPTION_PGP) {
conversation.getAccount().getPgpDecryptionService().discard(replacedMessage);
conversation.getAccount().getPgpDecryptionService().decrypt(replacedMessage, false);
}
}
mXmppConnectionService.getNotificationService().updateNotification();
return;
} else {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received message correction but verification didn't check out");
}
}
}
long deletionDate = mXmppConnectionService.getAutomaticMessageDeletionDate();
if (deletionDate != 0 && message.getTimeSent() < deletionDate) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping message from " + message.getCounterpart().toString() + " because it was sent prior to our deletion date");
return;
}
boolean checkForDuplicates = (isTypeGroupChat && packet.hasChild("delay", "urn:xmpp:delay"))
|| message.isPrivateMessage()
|| message.getServerMsgId() != null
|| (query == null && mXmppConnectionService.getMessageArchiveService().isCatchupInProgress(conversation));
if (checkForDuplicates) {
final Message duplicate = conversation.findDuplicateMessage(message);
if (duplicate != null) {
final boolean serverMsgIdUpdated;
if (duplicate.getStatus() != Message.STATUS_RECEIVED
&& duplicate.getUuid().equals(message.getRemoteMsgId())
&& duplicate.getServerMsgId() == null
&& message.getServerMsgId() != null) {
duplicate.setServerMsgId(message.getServerMsgId());
if (mXmppConnectionService.databaseBackend.updateMessage(duplicate, false)) {
serverMsgIdUpdated = true;
} else {
serverMsgIdUpdated = false;
Log.e(Config.LOGTAG, "failed to update message");
}
} else {
serverMsgIdUpdated = false;
}
Log.d(Config.LOGTAG, "skipping duplicate message with " + message.getCounterpart() + ". serverMsgIdUpdated=" + serverMsgIdUpdated);
return;
}
}
if (query != null && query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
conversation.prepend(query.getActualInThisQuery(), message);
} else {
conversation.add(message);
}
if (query != null) {
query.incrementActualMessageCount();
}
if (query == null || query.isCatchup()) { //either no mam or catchup
if (status == Message.STATUS_SEND || status == Message.STATUS_SEND_RECEIVED) {
mXmppConnectionService.markRead(conversation);
if (query == null) {
activateGracePeriod(account);
}
} else {
message.markUnread();
notify = true;
}
}
if (message.getEncryption() == Message.ENCRYPTION_PGP) {
notify = conversation.getAccount().getPgpDecryptionService().decrypt(message, notify);
} else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE || message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
notify = false;
}
if (query == null) {
extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet);
mXmppConnectionService.updateConversationUi();
}
if (mXmppConnectionService.confirmMessages()
&& message.getStatus() == Message.STATUS_RECEIVED
&& (message.trusted() || message.isPrivateMessage())
&& remoteMsgId != null
&& !selfAddressed
&& !isTypeGroupChat) {
processMessageReceipts(account, packet, remoteMsgId, query);
}
mXmppConnectionService.databaseBackend.createMessage(message);
final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
if (message.trusted() && message.treatAsDownloadable() && manager.getAutoAcceptFileSize() > 0) {
manager.createNewDownloadConnection(message);
} else if (notify) {
if (query != null && query.isCatchup()) {
mXmppConnectionService.getNotificationService().pushFromBacklog(message);
} else {
mXmppConnectionService.getNotificationService().push(message);
}
}
} else if (!packet.hasChild("body")) { //no body
final Conversation conversation = mXmppConnectionService.find(account, from.asBareJid());
if (axolotlEncrypted != null) {
Jid origin;
if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
origin = getTrueCounterpart(query != null ? mucUserElement : null, fallback);
if (origin == null) {
Log.d(Config.LOGTAG, "omemo key transport message in anonymous conference received");
return;
}
} else if (isTypeGroupChat) {
return;
} else {
origin = from;
}
try {
final XmppAxolotlMessage xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlEncrypted, origin.asBareJid());
account.getAxolotlService().processReceivingKeyTransportMessage(xmppAxolotlMessage, query != null);
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": omemo key transport message received from " + origin);
} catch (Exception e) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": invalid omemo key transport message received " + e.getMessage());
return;
}
}
if (query == null && extractChatState(mXmppConnectionService.find(account, counterpart.asBareJid()), isTypeGroupChat, packet)) {
mXmppConnectionService.updateConversationUi();
}
if (isTypeGroupChat) {
if (packet.hasChild("subject")) { //TODO usually we would want to check for lack of body; however some servers do set a body :(
if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
conversation.setHasMessagesLeftOnServer(conversation.countMessages() > 0);
final LocalizedContent subject = packet.findInternationalizedChildContentInDefaultNamespace("subject");
if (subject != null && conversation.getMucOptions().setSubject(subject.content)) {
mXmppConnectionService.updateConversation(conversation);
}
mXmppConnectionService.updateConversationUi();
return;
}
}
}
if (conversation != null && mucUserElement != null && InvalidJid.hasValidFrom(packet) && from.isBareJid()) {
for (Element child : mucUserElement.getChildren()) {
if ("status".equals(child.getName())) {
try {
int code = Integer.parseInt(child.getAttribute("code"));
if ((code >= 170 && code <= 174) || (code >= 102 && code <= 104)) {
mXmppConnectionService.fetchConferenceConfiguration(conversation);
break;
}
} catch (Exception e) {
//ignored
}
} else if ("item".equals(child.getName())) {
MucOptions.User user = AbstractParser.parseItem(conversation, child);
Log.d(Config.LOGTAG, account.getJid() + ": changing affiliation for "
+ user.getRealJid() + " to " + user.getAffiliation() + " in "
+ conversation.getJid().asBareJid());
if (!user.realJidMatchesAccount()) {
boolean isNew = conversation.getMucOptions().updateUser(user);
mXmppConnectionService.getAvatarService().clear(conversation);
mXmppConnectionService.updateMucRosterUi();
mXmppConnectionService.updateConversationUi();
Contact contact = user.getContact();
if (!user.getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
Jid jid = user.getRealJid();
List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
if (cryptoTargets.remove(user.getRealJid())) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
conversation.setAcceptedCryptoTargets(cryptoTargets);
mXmppConnectionService.updateConversation(conversation);
}
} else if (isNew
&& user.getRealJid() != null
&& conversation.getMucOptions().isPrivateAndNonAnonymous()
&& (contact == null || !contact.mutualPresenceSubscription())
&& account.getAxolotlService().hasEmptyDeviceList(user.getRealJid())) {
account.getAxolotlService().fetchDeviceIds(user.getRealJid());
}
}
}
}
}
if (!isTypeGroupChat) {
for (Element child : packet.getChildren()) {
if (Namespace.JINGLE_MESSAGE.equals(child.getNamespace()) && JINGLE_MESSAGE_ELEMENT_NAMES.contains(child.getName())) {
final String action = child.getName();
final String sessionId = child.getAttribute("id");
if (sessionId == null) {
break;
}
if (query == null) {
if (serverMsgId == null) {
serverMsgId = extractStanzaId(account, packet);
}
mXmppConnectionService.getJingleConnectionManager().deliverMessage(account, packet.getTo(), packet.getFrom(), child, remoteMsgId, serverMsgId, timestamp);
if (!account.getJid().asBareJid().equals(from.asBareJid()) && remoteMsgId != null) {
processMessageReceipts(account, packet, remoteMsgId, query);
}
} else if (query.isCatchup()) {
if ("propose".equals(action)) {
final Element description = child.findChild("description");
final String namespace = description == null ? null : description.getNamespace();
if (Namespace.JINGLE_APPS_RTP.equals(namespace)) {
final Conversation c = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), false, false);
final Message preExistingMessage = c.findRtpSession(sessionId, status);
if (preExistingMessage != null) {
preExistingMessage.setServerMsgId(serverMsgId);
mXmppConnectionService.updateMessage(preExistingMessage);
break;
}
final Message message = new Message(
c,
status,
Message.TYPE_RTP_SESSION,
sessionId
);
message.setServerMsgId(serverMsgId);
message.setTime(timestamp);
message.setBody(new RtpSessionStatus(false, 0).toString());
c.add(message);
mXmppConnectionService.databaseBackend.createMessage(message);
}
} else if ("proceed".equals(action)) {
//status needs to be flipped to find the original propose
final Conversation c = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), false, false);
final int s = packet.fromAccount(account) ? Message.STATUS_RECEIVED : Message.STATUS_SEND;
final Message message = c.findRtpSession(sessionId, s);
if (message != null) {
message.setBody(new RtpSessionStatus(true, 0).toString());
if (serverMsgId != null) {
message.setServerMsgId(serverMsgId);
}
message.setTime(timestamp);
mXmppConnectionService.updateMessage(message, true);
} else {
Log.d(Config.LOGTAG, "unable to find original rtp session message for received propose");
}
}
} else {
//MAM reloads (non catchups
if ("propose".equals(action)) {
final Element description = child.findChild("description");
final String namespace = description == null ? null : description.getNamespace();
if (Namespace.JINGLE_APPS_RTP.equals(namespace)) {
final Conversation c = mXmppConnectionService.findOrCreateConversation(account, counterpart.asBareJid(), false, false);
final Message preExistingMessage = c.findRtpSession(sessionId, status);
if (preExistingMessage != null) {
preExistingMessage.setServerMsgId(serverMsgId);
mXmppConnectionService.updateMessage(preExistingMessage);
break;
}
final Message message = new Message(
c,
status,
Message.TYPE_RTP_SESSION,
sessionId
);
message.setServerMsgId(serverMsgId);
message.setTime(timestamp);
message.setBody(new RtpSessionStatus(true, 0).toString());
if (query.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
c.prepend(query.getActualInThisQuery(), message);
} else {
c.add(message);
}
query.incrementActualMessageCount();
mXmppConnectionService.databaseBackend.createMessage(message);
}
}
}
break;
}
}
}
}
Element received = packet.findChild("received", "urn:xmpp:chat-markers:0");
if (received == null) {
received = packet.findChild("received", "urn:xmpp:receipts");
}
if (received != null) {
String id = received.getAttribute("id");
if (packet.fromAccount(account)) {
if (query != null && id != null && packet.getTo() != null) {
query.removePendingReceiptRequest(new ReceiptRequest(packet.getTo(), id));
}
} else if (id != null) {
if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
mXmppConnectionService.getJingleConnectionManager()
.updateProposedSessionDiscovered(account, from, sessionId, JingleConnectionManager.DeviceDiscoveryState.DISCOVERED);
} else {
mXmppConnectionService.markMessage(account, from.asBareJid(), id, Message.STATUS_SEND_RECEIVED);
}
}
}
Element displayed = packet.findChild("displayed", "urn:xmpp:chat-markers:0");
if (displayed != null) {
final String id = displayed.getAttribute("id");
final Jid sender = InvalidJid.getNullForInvalid(displayed.getAttributeAsJid("sender"));
if (packet.fromAccount(account) && !selfAddressed) {
dismissNotification(account, counterpart, query, id);
if (query == null) {
activateGracePeriod(account);
}
} else if (isTypeGroupChat) {
final Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
final Message message;
if (conversation != null && id != null) {
if (sender != null) {
message = conversation.findMessageWithRemoteId(id, sender);
} else {
message = conversation.findMessageWithServerMsgId(id);
}
} else {
message = null;
}
if (message != null) {
final Jid fallback = conversation.getMucOptions().getTrueCounterpart(counterpart);
final Jid trueJid = getTrueCounterpart((query != null && query.safeToExtractTrueCounterpart()) ? mucUserElement : null, fallback);
final boolean trueJidMatchesAccount = account.getJid().asBareJid().equals(trueJid == null ? null : trueJid.asBareJid());
if (trueJidMatchesAccount || conversation.getMucOptions().isSelf(counterpart)) {
if (!message.isRead() && (query == null || query.isCatchup())) { //checking if message is unread fixes race conditions with reflections
mXmppConnectionService.markRead(conversation);
}
} else if (!counterpart.isBareJid() && trueJid != null) {
final ReadByMarker readByMarker = ReadByMarker.from(counterpart, trueJid);
if (message.addReadByMarker(readByMarker)) {
mXmppConnectionService.updateMessage(message, false);
}
}
}
} else {
final Message displayedMessage = mXmppConnectionService.markMessage(account, from.asBareJid(), id, Message.STATUS_SEND_DISPLAYED);
Message message = displayedMessage == null ? null : displayedMessage.prev();
while (message != null
&& message.getStatus() == Message.STATUS_SEND_RECEIVED
&& message.getTimeSent() < displayedMessage.getTimeSent()) {
mXmppConnectionService.markMessage(message, Message.STATUS_SEND_DISPLAYED);
message = message.prev();
}
if (displayedMessage != null && selfAddressed) {
dismissNotification(account, counterpart, query, id);
}
}
}
final Element event = original.findChild("event", "http://jabber.org/protocol/pubsub#event");
if (event != null && InvalidJid.hasValidFrom(original)) {
if (event.hasChild("items")) {
parseEvent(event, original.getFrom(), account);
} else if (event.hasChild("delete")) {
parseDeleteEvent(event, original.getFrom(), account);
} else if (event.hasChild("purge")) {
parsePurgeEvent(event, original.getFrom(), account);
}
}
final String nick = packet.findChildContent("nick", Namespace.NICK);
if (nick != null && InvalidJid.hasValidFrom(original)) {
final Contact contact = account.getRoster().getContact(from);
if (contact.setPresenceName(nick)) {
mXmppConnectionService.syncRoster(account);
mXmppConnectionService.getAvatarService().clear(contact);
}
}
}
private void dismissNotification(Account account, Jid counterpart, MessageArchiveService.Query query, final String id) {
final Conversation conversation = mXmppConnectionService.find(account, counterpart.asBareJid());
if (conversation != null && (query == null || query.isCatchup())) {
final String displayableId = conversation.findMostRecentRemoteDisplayableId();
if (displayableId != null && displayableId.equals(id)) {
mXmppConnectionService.markRead(conversation);
} else {
Log.w(Config.LOGTAG, account.getJid().asBareJid() + ": received dismissing display marker that did not match our last id in that conversation");
}
}
}
private void processMessageReceipts(final Account account, final MessagePacket packet, final String remoteMsgId, MessageArchiveService.Query query) {
final boolean markable = packet.hasChild("markable", "urn:xmpp:chat-markers:0");
final boolean request = packet.hasChild("request", "urn:xmpp:receipts");
if (query == null) {
final ArrayList<String> receiptsNamespaces = new ArrayList<>();
if (markable) {
receiptsNamespaces.add("urn:xmpp:chat-markers:0");
}
if (request) {
receiptsNamespaces.add("urn:xmpp:receipts");
}
if (receiptsNamespaces.size() > 0) {
final MessagePacket receipt = mXmppConnectionService.getMessageGenerator().received(account,
packet.getFrom(),
remoteMsgId,
receiptsNamespaces,
packet.getType());
mXmppConnectionService.sendMessagePacket(account, receipt);
}
} else if (query.isCatchup()) {
if (request) {
query.addPendingReceiptRequest(new ReceiptRequest(packet.getFrom(), remoteMsgId));
}
}
}
private void activateGracePeriod(Account account) {
long duration = mXmppConnectionService.getLongPreference("grace_period_length", R.integer.grace_period) * 1000;
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": activating grace period till " + TIME_FORMAT.format(new Date(System.currentTimeMillis() + duration)));
account.activateGracePeriod(duration);
}
private class Invite {
final Jid jid;
final String password;
final boolean direct;
final Jid inviter;
Invite(Jid jid, String password, boolean direct, Jid inviter) {
this.jid = jid;
this.password = password;
this.direct = direct;
this.inviter = inviter;
}
public boolean execute(Account account) {
if (jid != null) {
Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid, true, false);
if (conversation.getMucOptions().online()) {
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received invite to " + jid + " but muc is considered to be online");
mXmppConnectionService.mucSelfPingAndRejoin(conversation);
} else {
conversation.getMucOptions().setPassword(password);
mXmppConnectionService.databaseBackend.updateConversation(conversation);
final Contact contact = inviter != null ? account.getRoster().getContactFromContactList(inviter) : null;
mXmppConnectionService.joinMuc(conversation, contact != null && contact.mutualPresenceSubscription());
mXmppConnectionService.updateConversationUi();
}
return true;
}
return false;
}
}
}