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package eu.siacs.conversations.parser;
import java.util.ArrayList;
import java.util.List;
import eu.siacs.conversations.crypto.PgpEngine;
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.entities.MucOptions;
import eu.siacs.conversations.entities.Presences;
import eu.siacs.conversations.generator.PresenceGenerator;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
import eu.siacs.conversations.xmpp.jid.Jid;
import eu.siacs.conversations.xmpp.pep.Avatar;
import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
public class PresenceParser extends AbstractParser implements
OnPresencePacketReceived {
public PresenceParser(XmppConnectionService service) {
super(service);
}
public void parseConferencePresence(PresencePacket packet, Account account) {
final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
if (conversation != null) {
final MucOptions mucOptions = conversation.getMucOptions();
boolean before = mucOptions.online();
int count = mucOptions.getUserCount();
final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
processConferencePresence(packet, mucOptions);
final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
if (!tileUserAfter.equals(tileUserBefore)) {
mXmppConnectionService.getAvatarService().clear(mucOptions);
}
if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
mXmppConnectionService.updateConversationUi();
} else if (mucOptions.online()) {
mXmppConnectionService.updateMucRosterUi();
}
}
}
private void processConferencePresence(PresencePacket packet, MucOptions mucOptions) {
final Jid from = packet.getFrom();
if (!from.isBareJid()) {
final String type = packet.getAttribute("type");
final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
final List<String> codes = getStatusCodes(x);
if (type == null) {
if (x != null) {
Element item = x.findChild("item");
if (item != null && !from.isBareJid()) {
MucOptions.User user = new MucOptions.User(mucOptions,from);
user.setAffiliation(item.getAttribute("affiliation"));
user.setRole(item.getAttribute("role"));
user.setJid(item.getAttributeAsJid("jid"));
if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
mucOptions.setError(MucOptions.ERROR_NO_ERROR);
mucOptions.setSelf(user);
if (mucOptions.mNickChangingInProgress) {
if (mucOptions.onRenameListener != null) {
mucOptions.onRenameListener.onSuccess();
}
mucOptions.mNickChangingInProgress = false;
}
} else {
mucOptions.addUser(user);
}
if (mXmppConnectionService.getPgpEngine() != null) {
Element signed = packet.findChild("x", "jabber:x:signed");
if (signed != null) {
Element status = packet.findChild("status");
String msg = status == null ? "" : status.getContent();
long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
if (keyId != 0) {
user.setPgpKeyId(keyId);
}
}
}
if (avatar != null) {
avatar.owner = from;
if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
if (user.setAvatar(avatar)) {
mXmppConnectionService.getAvatarService().clear(user);
}
} else {
mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
}
}
}
}
} else if (type.equals("unavailable")) {
if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
packet.getFrom().equals(mucOptions.getConversation().getJid())) {
if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
mucOptions.mNickChangingInProgress = true;
} else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
mucOptions.setError(MucOptions.KICKED_FROM_ROOM);
} else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
mucOptions.setError(MucOptions.ERROR_BANNED);
} else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
mucOptions.setError(MucOptions.ERROR_MEMBERS_ONLY);
} else {
mucOptions.setError(MucOptions.ERROR_UNKNOWN);
}
} else if (!from.isBareJid()){
MucOptions.User user = mucOptions.deleteUser(from.getResourcepart());
if (user != null) {
mXmppConnectionService.getAvatarService().clear(user);
}
}
} else if (type.equals("error")) {
Element error = packet.findChild("error");
if (error != null && error.hasChild("conflict")) {
if (mucOptions.online()) {
if (mucOptions.onRenameListener != null) {
mucOptions.onRenameListener.onFailure();
}
} else {
mucOptions.setError(MucOptions.ERROR_NICK_IN_USE);
}
} else if (error != null && error.hasChild("not-authorized")) {
mucOptions.setError(MucOptions.ERROR_PASSWORD_REQUIRED);
} else if (error != null && error.hasChild("forbidden")) {
mucOptions.setError(MucOptions.ERROR_BANNED);
} else if (error != null && error.hasChild("registration-required")) {
mucOptions.setError(MucOptions.ERROR_MEMBERS_ONLY);
}
}
}
}
private static List<String> getStatusCodes(Element x) {
List<String> codes = new ArrayList<>();
if (x != null) {
for (Element child : x.getChildren()) {
if (child.getName().equals("status")) {
String code = child.getAttribute("code");
if (code != null) {
codes.add(code);
}
}
}
}
return codes;
}
public void parseContactPresence(final PresencePacket packet, final Account account) {
final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
final Jid from = packet.getFrom();
if (from == null) {
return;
}
final String type = packet.getAttribute("type");
final Contact contact = account.getRoster().getContact(from);
if (type == null) {
String presence = from.isBareJid() ? "" : from.getResourcepart();
contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
if (avatar != null && !contact.isSelf()) {
avatar.owner = from.toBareJid();
if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
if (contact.setAvatar(avatar)) {
mXmppConnectionService.getAvatarService().clear(contact);
mXmppConnectionService.updateConversationUi();
mXmppConnectionService.updateRosterUi();
}
} else {
mXmppConnectionService.fetchAvatar(account, avatar);
}
}
int sizeBefore = contact.getPresences().size();
contact.updatePresence(presence, Presences.parseShow(packet.findChild("show")));
PgpEngine pgp = mXmppConnectionService.getPgpEngine();
Element x = packet.findChild("x", "jabber:x:signed");
if (pgp != null && x != null) {
Element status = packet.findChild("status");
String msg = status != null ? status.getContent() : "";
contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
}
boolean online = sizeBefore < contact.getPresences().size();
updateLastseen(packet, account, false);
mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
} else if (type.equals("unavailable")) {
if (from.isBareJid()) {
contact.clearPresences();
} else {
contact.removePresence(from.getResourcepart());
}
mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
} else if (type.equals("subscribe")) {
if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
mXmppConnectionService.sendPresencePacket(account,
mPresenceGenerator.sendPresenceUpdatesTo(contact));
} else {
contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
account, contact.getJid().toBareJid(), false);
final String statusMessage = packet.findChildContent("status");
if (statusMessage != null
&& !statusMessage.isEmpty()
&& conversation.countMessages() == 0) {
conversation.add(new Message(
conversation,
statusMessage,
Message.ENCRYPTION_NONE,
Message.STATUS_RECEIVED
));
}
}
}
mXmppConnectionService.updateRosterUi();
}
@Override
public void onPresencePacketReceived(Account account, PresencePacket packet) {
if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
this.parseConferencePresence(packet, account);
} else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
this.parseConferencePresence(packet, account);
} else {
this.parseContactPresence(packet, account);
}
}
}
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