637 lines
22 KiB
Java
637 lines
22 KiB
Java
package eu.siacs.conversations.parser;
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import android.util.Log;
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import net.java.otr4j.session.Session;
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import net.java.otr4j.session.SessionStatus;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.entities.Account;
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import eu.siacs.conversations.entities.Contact;
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import eu.siacs.conversations.entities.Conversation;
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import eu.siacs.conversations.entities.Message;
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import eu.siacs.conversations.entities.MucOptions;
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import eu.siacs.conversations.http.HttpConnectionManager;
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import eu.siacs.conversations.services.MessageArchiveService;
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import eu.siacs.conversations.services.XmppConnectionService;
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import eu.siacs.conversations.utils.CryptoHelper;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
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import eu.siacs.conversations.xmpp.chatstate.ChatState;
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import eu.siacs.conversations.xmpp.jid.Jid;
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import eu.siacs.conversations.xmpp.pep.Avatar;
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import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
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public class MessageParser extends AbstractParser implements
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OnMessagePacketReceived {
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public MessageParser(XmppConnectionService service) {
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super(service);
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}
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private boolean extractChatState(Conversation conversation, final Element element) {
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ChatState state = ChatState.parse(element);
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if (state != null && conversation != null) {
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final Account account = conversation.getAccount();
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Jid from = element.getAttributeAsJid("from");
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if (from != null && from.toBareJid().equals(account.getJid().toBareJid())) {
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conversation.setOutgoingChatState(state);
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return false;
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} else {
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return conversation.setIncomingChatState(state);
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}
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}
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return false;
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}
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private Message parseChat(MessagePacket packet, Account account) {
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final Jid jid = packet.getFrom();
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if (jid == null) {
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return null;
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}
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Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid.toBareJid(), false);
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updateLastseen(packet, account, true);
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String pgpBody = getPgpBody(packet);
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Message finishedMessage;
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if (pgpBody != null) {
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finishedMessage = new Message(conversation,
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pgpBody, Message.ENCRYPTION_PGP, Message.STATUS_RECEIVED);
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} else {
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finishedMessage = new Message(conversation,
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packet.getBody(), Message.ENCRYPTION_NONE,
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Message.STATUS_RECEIVED);
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}
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finishedMessage.setRemoteMsgId(packet.getId());
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finishedMessage.markable = isMarkable(packet);
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if (conversation.getMode() == Conversation.MODE_MULTI
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&& !jid.isBareJid()) {
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finishedMessage.setType(Message.TYPE_PRIVATE);
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finishedMessage.setTrueCounterpart(conversation.getMucOptions()
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.getTrueCounterpart(jid.getResourcepart()));
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if (conversation.hasDuplicateMessage(finishedMessage)) {
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return null;
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}
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}
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finishedMessage.setCounterpart(jid);
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finishedMessage.setTime(getTimestamp(packet));
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extractChatState(conversation,packet);
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return finishedMessage;
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}
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private Message parseOtrChat(MessagePacket packet, Account account) {
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final Jid to = packet.getTo();
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final Jid from = packet.getFrom();
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if (to == null || from == null) {
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return null;
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}
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boolean properlyAddressed = !to.isBareJid() || account.countPresences() == 1;
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Conversation conversation = mXmppConnectionService
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.findOrCreateConversation(account, from.toBareJid(), false);
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String presence;
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if (from.isBareJid()) {
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presence = "";
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} else {
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presence = from.getResourcepart();
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}
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updateLastseen(packet, account, true);
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String body = packet.getBody();
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if (body.matches("^\\?OTRv\\d{1,2}\\?.*")) {
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conversation.endOtrIfNeeded();
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}
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if (!conversation.hasValidOtrSession()) {
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if (properlyAddressed) {
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conversation.startOtrSession(presence,false);
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} else {
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return null;
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}
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} else {
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String foreignPresence = conversation.getOtrSession()
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.getSessionID().getUserID();
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if (!foreignPresence.equals(presence)) {
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conversation.endOtrIfNeeded();
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if (properlyAddressed) {
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conversation.startOtrSession(presence, false);
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} else {
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return null;
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}
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}
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}
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try {
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Session otrSession = conversation.getOtrSession();
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SessionStatus before = otrSession.getSessionStatus();
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body = otrSession.transformReceiving(body);
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SessionStatus after = otrSession.getSessionStatus();
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if ((before != after) && (after == SessionStatus.ENCRYPTED)) {
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conversation.setNextEncryption(Message.ENCRYPTION_OTR);
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mXmppConnectionService.onOtrSessionEstablished(conversation);
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} else if ((before != after) && (after == SessionStatus.FINISHED)) {
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conversation.setNextEncryption(Message.ENCRYPTION_NONE);
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conversation.resetOtrSession();
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mXmppConnectionService.updateConversationUi();
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}
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if ((body == null) || (body.isEmpty())) {
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return null;
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}
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if (body.startsWith(CryptoHelper.FILETRANSFER)) {
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String key = body.substring(CryptoHelper.FILETRANSFER.length());
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conversation.setSymmetricKey(CryptoHelper.hexToBytes(key));
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return null;
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}
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Message finishedMessage = new Message(conversation, body, Message.ENCRYPTION_OTR,
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Message.STATUS_RECEIVED);
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finishedMessage.setTime(getTimestamp(packet));
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finishedMessage.setRemoteMsgId(packet.getId());
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finishedMessage.markable = isMarkable(packet);
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finishedMessage.setCounterpart(from);
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extractChatState(conversation,packet);
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return finishedMessage;
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} catch (Exception e) {
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conversation.resetOtrSession();
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return null;
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}
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}
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private Message parseGroupchat(MessagePacket packet, Account account) {
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int status;
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final Jid from = packet.getFrom();
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if (from == null) {
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return null;
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}
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if (mXmppConnectionService.find(account.pendingConferenceLeaves,
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account, from.toBareJid()) != null) {
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return null;
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}
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Conversation conversation = mXmppConnectionService
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.findOrCreateConversation(account, from.toBareJid(), true);
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if (packet.hasChild("subject")) {
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conversation.setHasMessagesLeftOnServer(true);
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conversation.getMucOptions().setSubject(packet.findChild("subject").getContent());
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mXmppConnectionService.updateConversationUi();
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return null;
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}
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final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
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if (from.isBareJid() && (x == null || !x.hasChild("status"))) {
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return null;
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} else if (from.isBareJid() && x.hasChild("status")) {
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for(Element child : x.getChildren()) {
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if (child.getName().equals("status")) {
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String code = child.getAttribute("code");
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if (code.contains(MucOptions.STATUS_CODE_ROOM_CONFIG_CHANGED)) {
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mXmppConnectionService.fetchConferenceConfiguration(conversation);
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}
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}
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}
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return null;
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}
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if (from.getResourcepart().equals(conversation.getMucOptions().getActualNick())) {
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if (mXmppConnectionService.markMessage(conversation,
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packet.getId(), Message.STATUS_SEND_RECEIVED)) {
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return null;
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} else if (packet.getId() == null) {
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Message message = conversation.findSentMessageWithBody(packet.getBody());
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if (message != null) {
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mXmppConnectionService.markMessage(message,Message.STATUS_SEND_RECEIVED);
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return null;
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} else {
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status = Message.STATUS_SEND;
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}
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} else {
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status = Message.STATUS_SEND;
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}
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} else {
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status = Message.STATUS_RECEIVED;
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}
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String pgpBody = getPgpBody(packet);
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Message finishedMessage;
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if (pgpBody == null) {
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finishedMessage = new Message(conversation,
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packet.getBody(), Message.ENCRYPTION_NONE, status);
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} else {
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finishedMessage = new Message(conversation, pgpBody,
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Message.ENCRYPTION_PGP, status);
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}
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finishedMessage.setRemoteMsgId(packet.getId());
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finishedMessage.markable = isMarkable(packet);
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finishedMessage.setCounterpart(from);
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if (status == Message.STATUS_RECEIVED) {
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finishedMessage.setTrueCounterpart(conversation.getMucOptions()
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.getTrueCounterpart(from.getResourcepart()));
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}
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if (packet.hasChild("delay")
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&& conversation.hasDuplicateMessage(finishedMessage)) {
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return null;
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}
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finishedMessage.setTime(getTimestamp(packet));
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return finishedMessage;
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}
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private Message parseCarbonMessage(final MessagePacket packet, final Account account) {
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int status;
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final Jid fullJid;
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Element forwarded;
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if (packet.hasChild("received", "urn:xmpp:carbons:2")) {
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forwarded = packet.findChild("received", "urn:xmpp:carbons:2")
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.findChild("forwarded", "urn:xmpp:forward:0");
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status = Message.STATUS_RECEIVED;
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} else if (packet.hasChild("sent", "urn:xmpp:carbons:2")) {
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forwarded = packet.findChild("sent", "urn:xmpp:carbons:2")
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.findChild("forwarded", "urn:xmpp:forward:0");
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status = Message.STATUS_SEND;
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} else {
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return null;
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}
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if (forwarded == null) {
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return null;
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}
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Element message = forwarded.findChild("message");
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if (message == null) {
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return null;
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}
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if (!message.hasChild("body")) {
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if (status == Message.STATUS_RECEIVED
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&& message.getAttribute("from") != null) {
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parseNonMessage(message, account);
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} else if (status == Message.STATUS_SEND
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&& message.hasChild("displayed", "urn:xmpp:chat-markers:0")) {
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final Jid to = message.getAttributeAsJid("to");
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if (to != null) {
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final Conversation conversation = mXmppConnectionService.find(
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mXmppConnectionService.getConversations(), account,
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to.toBareJid());
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if (conversation != null) {
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mXmppConnectionService.markRead(conversation);
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}
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}
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}
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return null;
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}
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if (status == Message.STATUS_RECEIVED) {
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fullJid = message.getAttributeAsJid("from");
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if (fullJid == null) {
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return null;
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} else {
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updateLastseen(message, account, true);
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}
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} else {
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fullJid = message.getAttributeAsJid("to");
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if (fullJid == null) {
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return null;
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}
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}
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if (message.hasChild("x","http://jabber.org/protocol/muc#user")
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&& "chat".equals(message.getAttribute("type"))) {
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return null;
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}
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Conversation conversation = mXmppConnectionService
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.findOrCreateConversation(account, fullJid.toBareJid(), false);
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String pgpBody = getPgpBody(message);
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Message finishedMessage;
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if (pgpBody != null) {
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finishedMessage = new Message(conversation, pgpBody,
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Message.ENCRYPTION_PGP, status);
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} else {
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String body = message.findChild("body").getContent();
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finishedMessage = new Message(conversation, body,
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Message.ENCRYPTION_NONE, status);
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}
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extractChatState(conversation,message);
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finishedMessage.setTime(getTimestamp(message));
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finishedMessage.setRemoteMsgId(message.getAttribute("id"));
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finishedMessage.markable = isMarkable(message);
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finishedMessage.setCounterpart(fullJid);
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if (conversation.getMode() == Conversation.MODE_MULTI
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&& !fullJid.isBareJid()) {
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finishedMessage.setType(Message.TYPE_PRIVATE);
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finishedMessage.setTrueCounterpart(conversation.getMucOptions()
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.getTrueCounterpart(fullJid.getResourcepart()));
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if (conversation.hasDuplicateMessage(finishedMessage)) {
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return null;
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}
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}
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return finishedMessage;
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}
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private Message parseMamMessage(MessagePacket packet, final Account account) {
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final Element result = packet.findChild("result","urn:xmpp:mam:0");
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if (result == null ) {
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return null;
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}
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final MessageArchiveService.Query query = this.mXmppConnectionService.getMessageArchiveService().findQuery(result.getAttribute("queryid"));
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if (query!=null) {
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query.incrementTotalCount();
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}
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final Element forwarded = result.findChild("forwarded","urn:xmpp:forward:0");
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if (forwarded == null) {
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return null;
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}
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final Element message = forwarded.findChild("message");
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if (message == null) {
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return null;
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}
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final Element body = message.findChild("body");
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if (body == null || message.hasChild("private","urn:xmpp:carbons:2") || message.hasChild("no-copy","urn:xmpp:hints")) {
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return null;
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}
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int encryption;
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String content = getPgpBody(message);
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if (content != null) {
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encryption = Message.ENCRYPTION_PGP;
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} else {
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encryption = Message.ENCRYPTION_NONE;
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content = body.getContent();
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}
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if (content == null) {
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return null;
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}
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final long timestamp = getTimestamp(forwarded);
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final Jid to = message.getAttributeAsJid("to");
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final Jid from = message.getAttributeAsJid("from");
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Jid counterpart;
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int status;
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Conversation conversation;
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if (from!=null && to != null && from.toBareJid().equals(account.getJid().toBareJid())) {
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status = Message.STATUS_SEND;
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conversation = this.mXmppConnectionService.findOrCreateConversation(account,to.toBareJid(),false,query);
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counterpart = to;
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} else if (from !=null && to != null) {
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status = Message.STATUS_RECEIVED;
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conversation = this.mXmppConnectionService.findOrCreateConversation(account,from.toBareJid(),false,query);
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counterpart = from;
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} else {
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return null;
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}
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Message finishedMessage = new Message(conversation,content,encryption,status);
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finishedMessage.setTime(timestamp);
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finishedMessage.setCounterpart(counterpart);
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finishedMessage.setRemoteMsgId(message.getAttribute("id"));
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finishedMessage.setServerMsgId(result.getAttribute("id"));
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if (conversation.hasDuplicateMessage(finishedMessage)) {
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return null;
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}
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if (query!=null) {
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query.incrementMessageCount();
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}
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return finishedMessage;
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}
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private void parseError(final MessagePacket packet, final Account account) {
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final Jid from = packet.getFrom();
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mXmppConnectionService.markMessage(account, from.toBareJid(),
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packet.getId(), Message.STATUS_SEND_FAILED);
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}
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private void parseNonMessage(Element packet, Account account) {
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final Jid from = packet.getAttributeAsJid("from");
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if (extractChatState(from == null ? null : mXmppConnectionService.find(account,from), packet)) {
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mXmppConnectionService.updateConversationUi();
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}
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Element invite = extractInvite(packet);
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if (invite != null) {
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Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, from, true);
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if (!conversation.getMucOptions().online()) {
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Element password = invite.findChild("password");
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conversation.getMucOptions().setPassword(password == null ? null : password.getContent());
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mXmppConnectionService.databaseBackend.updateConversation(conversation);
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mXmppConnectionService.joinMuc(conversation);
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mXmppConnectionService.updateConversationUi();
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}
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}
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if (packet.hasChild("event", "http://jabber.org/protocol/pubsub#event")) {
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Element event = packet.findChild("event",
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"http://jabber.org/protocol/pubsub#event");
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parseEvent(event, from, account);
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} else if (from != null
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&& packet.hasChild("displayed", "urn:xmpp:chat-markers:0")) {
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String id = packet
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.findChild("displayed", "urn:xmpp:chat-markers:0")
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.getAttribute("id");
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updateLastseen(packet, account, true);
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mXmppConnectionService.markMessage(account, from.toBareJid(),
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id, Message.STATUS_SEND_DISPLAYED);
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} else if (from != null
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&& packet.hasChild("received", "urn:xmpp:chat-markers:0")) {
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String id = packet.findChild("received", "urn:xmpp:chat-markers:0")
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.getAttribute("id");
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updateLastseen(packet, account, false);
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mXmppConnectionService.markMessage(account, from.toBareJid(),
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id, Message.STATUS_SEND_RECEIVED);
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} else if (from != null
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&& packet.hasChild("received", "urn:xmpp:receipts")) {
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String id = packet.findChild("received", "urn:xmpp:receipts")
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.getAttribute("id");
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updateLastseen(packet, account, false);
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mXmppConnectionService.markMessage(account, from.toBareJid(),
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id, Message.STATUS_SEND_RECEIVED);
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}
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}
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private Element extractInvite(Element message) {
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Element x = message.findChild("x","http://jabber.org/protocol/muc#user");
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if (x == null) {
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x = message.findChild("x","jabber:x:conference");
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}
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if (x != null && x.hasChild("invite")) {
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return x;
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} else {
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return null;
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}
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}
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private void parseEvent(final Element event, final Jid from, final Account account) {
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Element items = event.findChild("items");
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if (items == null) {
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return;
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}
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String node = items.getAttribute("node");
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if (node == null) {
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return;
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}
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if (node.equals("urn:xmpp:avatar:metadata")) {
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Avatar avatar = Avatar.parseMetadata(items);
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if (avatar != null) {
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avatar.owner = from;
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if (mXmppConnectionService.getFileBackend().isAvatarCached(
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avatar)) {
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if (account.getJid().toBareJid().equals(from)) {
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if (account.setAvatar(avatar.getFilename())) {
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mXmppConnectionService.databaseBackend
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.updateAccount(account);
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}
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mXmppConnectionService.getAvatarService().clear(
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account);
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mXmppConnectionService.updateConversationUi();
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mXmppConnectionService.updateAccountUi();
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} else {
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Contact contact = account.getRoster().getContact(
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from);
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contact.setAvatar(avatar.getFilename());
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mXmppConnectionService.getAvatarService().clear(
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contact);
|
|
mXmppConnectionService.updateConversationUi();
|
|
mXmppConnectionService.updateRosterUi();
|
|
}
|
|
} else {
|
|
mXmppConnectionService.fetchAvatar(account, avatar);
|
|
}
|
|
}
|
|
} else if (node.equals("http://jabber.org/protocol/nick")) {
|
|
Element item = items.findChild("item");
|
|
if (item != null) {
|
|
Element nick = item.findChild("nick",
|
|
"http://jabber.org/protocol/nick");
|
|
if (nick != null) {
|
|
if (from != null) {
|
|
Contact contact = account.getRoster().getContact(
|
|
from);
|
|
contact.setPresenceName(nick.getContent());
|
|
mXmppConnectionService.getAvatarService().clear(account);
|
|
mXmppConnectionService.updateConversationUi();
|
|
mXmppConnectionService.updateAccountUi();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private String getPgpBody(Element message) {
|
|
Element child = message.findChild("x", "jabber:x:encrypted");
|
|
if (child == null) {
|
|
return null;
|
|
} else {
|
|
return child.getContent();
|
|
}
|
|
}
|
|
|
|
private boolean isMarkable(Element message) {
|
|
return message.hasChild("markable", "urn:xmpp:chat-markers:0");
|
|
}
|
|
|
|
@Override
|
|
public void onMessagePacketReceived(Account account, MessagePacket packet) {
|
|
Message message = null;
|
|
this.parseNick(packet, account);
|
|
if ((packet.getType() == MessagePacket.TYPE_CHAT || packet.getType() == MessagePacket.TYPE_NORMAL)) {
|
|
if ((packet.getBody() != null)
|
|
&& (packet.getBody().startsWith("?OTR"))) {
|
|
message = this.parseOtrChat(packet, account);
|
|
if (message != null) {
|
|
message.markUnread();
|
|
}
|
|
} else if (packet.hasChild("body") && extractInvite(packet) == null) {
|
|
message = this.parseChat(packet, account);
|
|
if (message != null) {
|
|
message.markUnread();
|
|
}
|
|
} else if (packet.hasChild("received", "urn:xmpp:carbons:2")
|
|
|| (packet.hasChild("sent", "urn:xmpp:carbons:2"))) {
|
|
message = this.parseCarbonMessage(packet, account);
|
|
if (message != null) {
|
|
if (message.getStatus() == Message.STATUS_SEND) {
|
|
account.activateGracePeriod();
|
|
mXmppConnectionService.markRead(message.getConversation());
|
|
} else {
|
|
message.markUnread();
|
|
}
|
|
}
|
|
} else if (packet.hasChild("result","urn:xmpp:mam:0")) {
|
|
message = parseMamMessage(packet, account);
|
|
if (message != null) {
|
|
Conversation conversation = message.getConversation();
|
|
conversation.add(message);
|
|
mXmppConnectionService.databaseBackend.createMessage(message);
|
|
}
|
|
return;
|
|
} else if (packet.hasChild("fin","urn:xmpp:mam:0")) {
|
|
Element fin = packet.findChild("fin","urn:xmpp:mam:0");
|
|
mXmppConnectionService.getMessageArchiveService().processFin(fin);
|
|
} else {
|
|
parseNonMessage(packet, account);
|
|
}
|
|
} else if (packet.getType() == MessagePacket.TYPE_GROUPCHAT) {
|
|
message = this.parseGroupchat(packet, account);
|
|
if (message != null) {
|
|
if (message.getStatus() == Message.STATUS_RECEIVED) {
|
|
message.markUnread();
|
|
} else {
|
|
mXmppConnectionService.markRead(message.getConversation());
|
|
account.activateGracePeriod();
|
|
}
|
|
}
|
|
} else if (packet.getType() == MessagePacket.TYPE_ERROR) {
|
|
this.parseError(packet, account);
|
|
return;
|
|
} else if (packet.getType() == MessagePacket.TYPE_HEADLINE) {
|
|
this.parseHeadline(packet, account);
|
|
return;
|
|
}
|
|
if ((message == null) || (message.getBody() == null)) {
|
|
return;
|
|
}
|
|
if ((mXmppConnectionService.confirmMessages())
|
|
&& ((packet.getId() != null))) {
|
|
if (packet.hasChild("markable", "urn:xmpp:chat-markers:0")) {
|
|
MessagePacket receipt = mXmppConnectionService
|
|
.getMessageGenerator().received(account, packet,
|
|
"urn:xmpp:chat-markers:0");
|
|
mXmppConnectionService.sendMessagePacket(account, receipt);
|
|
}
|
|
if (packet.hasChild("request", "urn:xmpp:receipts")) {
|
|
MessagePacket receipt = mXmppConnectionService
|
|
.getMessageGenerator().received(account, packet,
|
|
"urn:xmpp:receipts");
|
|
mXmppConnectionService.sendMessagePacket(account, receipt);
|
|
}
|
|
}
|
|
Conversation conversation = message.getConversation();
|
|
conversation.add(message);
|
|
if (account.getXmppConnection() != null && account.getXmppConnection().getFeatures().advancedStreamFeaturesLoaded()) {
|
|
if (conversation.setLastMessageTransmitted(System.currentTimeMillis())) {
|
|
mXmppConnectionService.updateConversation(conversation);
|
|
}
|
|
}
|
|
|
|
if (message.getStatus() == Message.STATUS_RECEIVED
|
|
&& conversation.getOtrSession() != null
|
|
&& !conversation.getOtrSession().getSessionID().getUserID()
|
|
.equals(message.getCounterpart().getResourcepart())) {
|
|
conversation.endOtrIfNeeded();
|
|
}
|
|
|
|
if (packet.getType() != MessagePacket.TYPE_ERROR) {
|
|
if (message.getEncryption() == Message.ENCRYPTION_NONE
|
|
|| mXmppConnectionService.saveEncryptedMessages()) {
|
|
mXmppConnectionService.databaseBackend.createMessage(message);
|
|
}
|
|
}
|
|
final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
|
|
if (message.trusted() && message.bodyContainsDownloadable() && manager.getAutoAcceptFileSize() > 0) {
|
|
manager.createNewConnection(message);
|
|
} else if (!message.isRead()) {
|
|
mXmppConnectionService.getNotificationService().push(message);
|
|
}
|
|
mXmppConnectionService.updateConversationUi();
|
|
}
|
|
|
|
private void parseHeadline(MessagePacket packet, Account account) {
|
|
if (packet.hasChild("event", "http://jabber.org/protocol/pubsub#event")) {
|
|
Element event = packet.findChild("event",
|
|
"http://jabber.org/protocol/pubsub#event");
|
|
parseEvent(event, packet.getFrom(), account);
|
|
}
|
|
}
|
|
|
|
private void parseNick(MessagePacket packet, Account account) {
|
|
Element nick = packet.findChild("nick",
|
|
"http://jabber.org/protocol/nick");
|
|
if (nick != null) {
|
|
if (packet.getFrom() != null) {
|
|
Contact contact = account.getRoster().getContact(
|
|
packet.getFrom());
|
|
contact.setPresenceName(nick.getContent());
|
|
}
|
|
}
|
|
}
|
|
}
|