aboutsummaryrefslogtreecommitdiffstats
path: root/src/main/java/eu/siacs/conversations/parser/MessageParser.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/eu/siacs/conversations/parser/MessageParser.java')
-rw-r--r--src/main/java/eu/siacs/conversations/parser/MessageParser.java517
1 files changed, 517 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
new file mode 100644
index 00000000..b5e14305
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -0,0 +1,517 @@
+package eu.siacs.conversations.parser;
+
+import net.java.otr4j.session.Session;
+import net.java.otr4j.session.SessionStatus;
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.entities.Contact;
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.services.NotificationService;
+import eu.siacs.conversations.services.XmppConnectionService;
+import eu.siacs.conversations.utils.CryptoHelper;
+import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
+import eu.siacs.conversations.xmpp.pep.Avatar;
+import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
+
+public class MessageParser extends AbstractParser implements
+ OnMessagePacketReceived {
+ public MessageParser(XmppConnectionService service) {
+ super(service);
+ }
+
+ private Message parseChat(MessagePacket packet, Account account) {
+ String[] fromParts = packet.getFrom().split("/", 2);
+ Conversation conversation = mXmppConnectionService
+ .findOrCreateConversation(account, fromParts[0], false);
+ updateLastseen(packet, account, true);
+ String pgpBody = getPgpBody(packet);
+ Message finishedMessage;
+ if (pgpBody != null) {
+ finishedMessage = new Message(conversation, packet.getFrom(),
+ pgpBody, Message.ENCRYPTION_PGP, Message.STATUS_RECEIVED);
+ } else {
+ finishedMessage = new Message(conversation, packet.getFrom(),
+ packet.getBody(), Message.ENCRYPTION_NONE,
+ Message.STATUS_RECEIVED);
+ }
+ finishedMessage.setRemoteMsgId(packet.getId());
+ finishedMessage.markable = isMarkable(packet);
+ if (conversation.getMode() == Conversation.MODE_MULTI
+ && fromParts.length >= 2) {
+ finishedMessage.setType(Message.TYPE_PRIVATE);
+ finishedMessage.setPresence(fromParts[1]);
+ finishedMessage.setTrueCounterpart(conversation.getMucOptions()
+ .getTrueCounterpart(fromParts[1]));
+ if (conversation.hasDuplicateMessage(finishedMessage)) {
+ return null;
+ }
+
+ }
+ finishedMessage.setTime(getTimestamp(packet));
+ return finishedMessage;
+ }
+
+ private Message parseOtrChat(MessagePacket packet, Account account) {
+ boolean properlyAddressed = (packet.getTo().split("/", 2).length == 2)
+ || (account.countPresences() == 1);
+ String[] fromParts = packet.getFrom().split("/", 2);
+ Conversation conversation = mXmppConnectionService
+ .findOrCreateConversation(account, fromParts[0], false);
+ String presence;
+ if (fromParts.length >= 2) {
+ presence = fromParts[1];
+ } else {
+ presence = "";
+ }
+ updateLastseen(packet, account, true);
+ String body = packet.getBody();
+ if (body.matches("^\\?OTRv\\d*\\?")) {
+ conversation.endOtrIfNeeded();
+ }
+ if (!conversation.hasValidOtrSession()) {
+ if (properlyAddressed) {
+ conversation.startOtrSession(mXmppConnectionService, presence,
+ false);
+ } else {
+ return null;
+ }
+ } else {
+ String foreignPresence = conversation.getOtrSession()
+ .getSessionID().getUserID();
+ if (!foreignPresence.equals(presence)) {
+ conversation.endOtrIfNeeded();
+ if (properlyAddressed) {
+ conversation.startOtrSession(mXmppConnectionService,
+ presence, false);
+ } else {
+ return null;
+ }
+ }
+ }
+ try {
+ Session otrSession = conversation.getOtrSession();
+ SessionStatus before = otrSession.getSessionStatus();
+ body = otrSession.transformReceiving(body);
+ SessionStatus after = otrSession.getSessionStatus();
+ if ((before != after) && (after == SessionStatus.ENCRYPTED)) {
+ mXmppConnectionService.onOtrSessionEstablished(conversation);
+ } else if ((before != after) && (after == SessionStatus.FINISHED)) {
+ conversation.resetOtrSession();
+ mXmppConnectionService.updateConversationUi();
+ }
+ if ((body == null) || (body.isEmpty())) {
+ return null;
+ }
+ if (body.startsWith(CryptoHelper.FILETRANSFER)) {
+ String key = body.substring(CryptoHelper.FILETRANSFER.length());
+ conversation.setSymmetricKey(CryptoHelper.hexToBytes(key));
+ return null;
+ }
+ Message finishedMessage = new Message(conversation,
+ packet.getFrom(), body, Message.ENCRYPTION_OTR,
+ Message.STATUS_RECEIVED);
+ finishedMessage.setTime(getTimestamp(packet));
+ finishedMessage.setRemoteMsgId(packet.getId());
+ finishedMessage.markable = isMarkable(packet);
+ return finishedMessage;
+ } catch (Exception e) {
+ String receivedId = packet.getId();
+ if (receivedId != null) {
+ mXmppConnectionService.replyWithNotAcceptable(account, packet);
+ }
+ conversation.resetOtrSession();
+ return null;
+ }
+ }
+
+ private Message parseGroupchat(MessagePacket packet, Account account) {
+ int status;
+ String[] fromParts = packet.getFrom().split("/", 2);
+ if (mXmppConnectionService.find(account.pendingConferenceLeaves,
+ account, fromParts[0]) != null) {
+ return null;
+ }
+ Conversation conversation = mXmppConnectionService
+ .findOrCreateConversation(account, fromParts[0], true);
+ if (packet.hasChild("subject")) {
+ conversation.getMucOptions().setSubject(
+ packet.findChild("subject").getContent());
+ mXmppConnectionService.updateConversationUi();
+ return null;
+ }
+ if ((fromParts.length == 1)) {
+ return null;
+ }
+ String counterPart = fromParts[1];
+ if (counterPart.equals(conversation.getMucOptions().getActualNick())) {
+ if (mXmppConnectionService.markMessage(conversation,
+ packet.getId(), Message.STATUS_SEND)) {
+ return null;
+ } else {
+ status = Message.STATUS_SEND;
+ }
+ } else {
+ status = Message.STATUS_RECEIVED;
+ }
+ String pgpBody = getPgpBody(packet);
+ Message finishedMessage;
+ if (pgpBody == null) {
+ finishedMessage = new Message(conversation, counterPart,
+ packet.getBody(), Message.ENCRYPTION_NONE, status);
+ } else {
+ finishedMessage = new Message(conversation, counterPart, pgpBody,
+ Message.ENCRYPTION_PGP, status);
+ }
+ finishedMessage.setRemoteMsgId(packet.getId());
+ finishedMessage.markable = isMarkable(packet);
+ if (status == Message.STATUS_RECEIVED) {
+ finishedMessage.setTrueCounterpart(conversation.getMucOptions()
+ .getTrueCounterpart(counterPart));
+ }
+ if (packet.hasChild("delay")
+ && conversation.hasDuplicateMessage(finishedMessage)) {
+ return null;
+ }
+ finishedMessage.setTime(getTimestamp(packet));
+ return finishedMessage;
+ }
+
+ private Message parseCarbonMessage(MessagePacket packet, Account account) {
+ int status;
+ String fullJid;
+ Element forwarded;
+ if (packet.hasChild("received", "urn:xmpp:carbons:2")) {
+ forwarded = packet.findChild("received", "urn:xmpp:carbons:2")
+ .findChild("forwarded", "urn:xmpp:forward:0");
+ status = Message.STATUS_RECEIVED;
+ } else if (packet.hasChild("sent", "urn:xmpp:carbons:2")) {
+ forwarded = packet.findChild("sent", "urn:xmpp:carbons:2")
+ .findChild("forwarded", "urn:xmpp:forward:0");
+ status = Message.STATUS_SEND;
+ } else {
+ return null;
+ }
+ if (forwarded == null) {
+ return null;
+ }
+ Element message = forwarded.findChild("message");
+ if (message == null) {
+ return null;
+ }
+ if (!message.hasChild("body")) {
+ if (status == Message.STATUS_RECEIVED
+ && message.getAttribute("from") != null) {
+ parseNonMessage(message, account);
+ } else if (status == Message.STATUS_SEND
+ && message.hasChild("displayed", "urn:xmpp:chat-markers:0")) {
+ String to = message.getAttribute("to");
+ if (to != null) {
+ Conversation conversation = mXmppConnectionService.find(
+ mXmppConnectionService.getConversations(), account,
+ to.split("/")[0]);
+ if (conversation != null) {
+ mXmppConnectionService.markRead(conversation, false);
+ }
+ }
+ }
+ return null;
+ }
+ if (status == Message.STATUS_RECEIVED) {
+ fullJid = message.getAttribute("from");
+ if (fullJid == null) {
+ return null;
+ } else {
+ updateLastseen(message, account, true);
+ }
+ } else {
+ fullJid = message.getAttribute("to");
+ if (fullJid == null) {
+ return null;
+ }
+ }
+ String[] parts = fullJid.split("/", 2);
+ Conversation conversation = mXmppConnectionService
+ .findOrCreateConversation(account, parts[0], false);
+ String pgpBody = getPgpBody(message);
+ Message finishedMessage;
+ if (pgpBody != null) {
+ finishedMessage = new Message(conversation, fullJid, pgpBody,
+ Message.ENCRYPTION_PGP, status);
+ } else {
+ String body = message.findChild("body").getContent();
+ finishedMessage = new Message(conversation, fullJid, body,
+ Message.ENCRYPTION_NONE, status);
+ }
+ finishedMessage.setTime(getTimestamp(message));
+ finishedMessage.setRemoteMsgId(message.getAttribute("id"));
+ finishedMessage.markable = isMarkable(message);
+ if (conversation.getMode() == Conversation.MODE_MULTI
+ && parts.length >= 2) {
+ finishedMessage.setType(Message.TYPE_PRIVATE);
+ finishedMessage.setPresence(parts[1]);
+ finishedMessage.setTrueCounterpart(conversation.getMucOptions()
+ .getTrueCounterpart(parts[1]));
+ if (conversation.hasDuplicateMessage(finishedMessage)) {
+ return null;
+ }
+ }
+
+ return finishedMessage;
+ }
+
+ private void parseError(MessagePacket packet, Account account) {
+ String[] fromParts = packet.getFrom().split("/", 2);
+ mXmppConnectionService.markMessage(account, fromParts[0],
+ packet.getId(), Message.STATUS_SEND_FAILED);
+ }
+
+ private void parseNonMessage(Element packet, Account account) {
+ String from = packet.getAttribute("from");
+ if (packet.hasChild("event", "http://jabber.org/protocol/pubsub#event")) {
+ Element event = packet.findChild("event",
+ "http://jabber.org/protocol/pubsub#event");
+ parseEvent(event, packet.getAttribute("from"), account);
+ } else if (from != null
+ && packet.hasChild("displayed", "urn:xmpp:chat-markers:0")) {
+ String id = packet
+ .findChild("displayed", "urn:xmpp:chat-markers:0")
+ .getAttribute("id");
+ updateLastseen(packet, account, true);
+ mXmppConnectionService.markMessage(account, from.split("/", 2)[0],
+ id, Message.STATUS_SEND_DISPLAYED);
+ } else if (from != null
+ && packet.hasChild("received", "urn:xmpp:chat-markers:0")) {
+ String id = packet.findChild("received", "urn:xmpp:chat-markers:0")
+ .getAttribute("id");
+ updateLastseen(packet, account, false);
+ mXmppConnectionService.markMessage(account, from.split("/", 2)[0],
+ id, Message.STATUS_SEND_RECEIVED);
+ } else if (from != null
+ && packet.hasChild("received", "urn:xmpp:receipts")) {
+ String id = packet.findChild("received", "urn:xmpp:receipts")
+ .getAttribute("id");
+ updateLastseen(packet, account, false);
+ mXmppConnectionService.markMessage(account, from.split("/", 2)[0],
+ id, Message.STATUS_SEND_RECEIVED);
+ } else if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
+ Element x = packet.findChild("x",
+ "http://jabber.org/protocol/muc#user");
+ if (x.hasChild("invite")) {
+ Conversation conversation = mXmppConnectionService
+ .findOrCreateConversation(account,
+ packet.getAttribute("from"), true);
+ if (!conversation.getMucOptions().online()) {
+ if (x.hasChild("password")) {
+ Element password = x.findChild("password");
+ conversation.getMucOptions().setPassword(
+ password.getContent());
+ mXmppConnectionService.databaseBackend
+ .updateConversation(conversation);
+ }
+ mXmppConnectionService.joinMuc(conversation);
+ mXmppConnectionService.updateConversationUi();
+ }
+ }
+ } else if (packet.hasChild("x", "jabber:x:conference")) {
+ Element x = packet.findChild("x", "jabber:x:conference");
+ String jid = x.getAttribute("jid");
+ String password = x.getAttribute("password");
+ if (jid != null) {
+ Conversation conversation = mXmppConnectionService
+ .findOrCreateConversation(account, jid, true);
+ if (!conversation.getMucOptions().online()) {
+ if (password != null) {
+ conversation.getMucOptions().setPassword(password);
+ mXmppConnectionService.databaseBackend
+ .updateConversation(conversation);
+ }
+ mXmppConnectionService.joinMuc(conversation);
+ mXmppConnectionService.updateConversationUi();
+ }
+ }
+ }
+ }
+
+ private void parseEvent(Element event, String from, Account account) {
+ Element items = event.findChild("items");
+ String node = items.getAttribute("node");
+ if (node != null) {
+ if (node.equals("urn:xmpp:avatar:metadata")) {
+ Avatar avatar = Avatar.parseMetadata(items);
+ if (avatar != null) {
+ avatar.owner = from;
+ if (mXmppConnectionService.getFileBackend().isAvatarCached(
+ avatar)) {
+ if (account.getJid().equals(from)) {
+ if (account.setAvatar(avatar.getFilename())) {
+ mXmppConnectionService.databaseBackend
+ .updateAccount(account);
+ }
+ mXmppConnectionService.getAvatarService().clear(
+ account);
+ mXmppConnectionService.updateConversationUi();
+ mXmppConnectionService.updateAccountUi();
+ } else {
+ Contact contact = account.getRoster().getContact(
+ from);
+ contact.setAvatar(avatar.getFilename());
+ mXmppConnectionService.getAvatarService().clear(
+ 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());
+ }
+ }
+ }
+ }
+ }
+ }
+
+ 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;
+ boolean notify = mXmppConnectionService.getPreferences().getBoolean(
+ "show_notification", true);
+ boolean alwaysNotifyInConference = notify
+ && mXmppConnectionService.getPreferences().getBoolean(
+ "always_notify_in_conference", false);
+
+ 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")
+ && !(packet.hasChild("x",
+ "http://jabber.org/protocol/muc#user"))) {
+ 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();
+ notify = false;
+ mXmppConnectionService.markRead(
+ message.getConversation(), false);
+ } else {
+ message.markUnread();
+ }
+ }
+ } 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();
+ notify = alwaysNotifyInConference
+ || NotificationService
+ .wasHighlightedOrPrivate(message);
+ } else {
+ mXmppConnectionService.markRead(message.getConversation(),
+ false);
+ account.activateGracePeriod();
+ notify = false;
+ }
+ }
+ } 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 (packet.getType() != MessagePacket.TYPE_ERROR) {
+ if (message.getEncryption() == Message.ENCRYPTION_NONE
+ || mXmppConnectionService.saveEncryptedMessages()) {
+ mXmppConnectionService.databaseBackend.createMessage(message);
+ }
+ }
+ if (message.bodyContainsDownloadable()) {
+ this.mXmppConnectionService.getHttpConnectionManager()
+ .createNewConnection(message);
+ }
+ notify = notify && !conversation.isMuted();
+ if (notify) {
+ 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());
+ }
+ }
+ }
+}