conversations-classic/src/main/java/eu/siacs/conversations/parser/PresenceParser.java
2017-11-16 12:47:49 +01:00

295 lines
12 KiB
Java

package eu.siacs.conversations.parser;
import android.util.Log;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.crypto.PgpEngine;
import eu.siacs.conversations.crypto.axolotl.AxolotlService;
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.Presence;
import eu.siacs.conversations.generator.IqGenerator;
import eu.siacs.conversations.generator.PresenceGenerator;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xml.Namespace;
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, conversation);
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, Conversation conversation) {
MucOptions mucOptions = conversation.getMucOptions();
final Jid jid = conversation.getAccount().getJid();
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.setError(MucOptions.Error.NONE);
MucOptions.User user = parseItem(conversation, item, from);
if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)
|| ((codes.isEmpty() || codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED)) && jid.equals(item.getAttributeAsJid("jid")))) {
mucOptions.setOnline();
mucOptions.setSelf(user);
if (mucOptions.onRenameListener != null) {
mucOptions.onRenameListener.onSuccess();
mucOptions.onRenameListener = null;
}
}
boolean isNew = mucOptions.updateUser(user);
final AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
if (isNew && user.getRealJid() != null && mucOptions.membersOnly() && mucOptions.nonanonymous() && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
axolotlService.fetchDeviceIds(user.getRealJid());
}
if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().toBareJid()
+": room '"
+mucOptions.getConversation().getJid().toBareJid()
+"' created. pushing default configuration");
mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
IqGenerator.defaultRoomConfiguration(),
null);
}
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 if (mXmppConnectionService.isDataSaverDisabled()) {
mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
}
}
}
}
} else if (type.equals("unavailable")) {
if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) {
if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
mucOptions.setError(MucOptions.Error.KICKED);
} 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 if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
} else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
mucOptions.setError(MucOptions.Error.SHUTDOWN);
} else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
mucOptions.setError(MucOptions.Error.UNKNOWN);
Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
}
} else if (!from.isBareJid()){
Element item = x.findChild("item");
if (item != null) {
mucOptions.updateUser(parseItem(conversation, item, from));
}
MucOptions.User user = mucOptions.deleteUser(from);
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();
mucOptions.onRenameListener = null;
}
} 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 || from.equals(account.getJid())) {
return;
}
final String type = packet.getAttribute("type");
final Contact contact = account.getRoster().getContact(from);
if (type == null) {
final String resource = from.isBareJid() ? "" : from.getResourcepart();
if (contact.setPresenceName(packet.findChildContent("nick", Namespace.NICK))) {
mXmppConnectionService.getAvatarService().clear(contact);
}
Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
avatar.owner = from.toBareJid();
if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
if (avatar.owner.equals(account.getJid().toBareJid())) {
account.setAvatar(avatar.getFilename());
mXmppConnectionService.databaseBackend.updateAccount(account);
mXmppConnectionService.getAvatarService().clear(account);
mXmppConnectionService.updateConversationUi();
mXmppConnectionService.updateAccountUi();
} else if (contact.setAvatar(avatar)) {
mXmppConnectionService.getAvatarService().clear(contact);
mXmppConnectionService.updateConversationUi();
mXmppConnectionService.updateRosterUi();
}
} else if (mXmppConnectionService.isDataSaverDisabled()){
mXmppConnectionService.fetchAvatar(account, avatar);
}
}
int sizeBefore = contact.getPresences().size();
final String show = packet.findChildContent("show");
final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
final String message = packet.findChildContent("status");
final Presence presence = Presence.parse(show, caps, message);
contact.updatePresence(resource, presence);
if (presence.hasCaps()) {
mXmppConnectionService.fetchCaps(account, from, presence);
}
final Element idle = packet.findChild("idle", Namespace.IDLE);
if (idle != null) {
try {
final String since = idle.getAttribute("since");
contact.setLastseen(AbstractParser.parseTimestamp(since));
contact.flagInactive();
} catch (Throwable throwable) {
if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
contact.flagActive();
}
}
} else {
if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
contact.flagActive();
}
}
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();
mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
} else if (type.equals("unavailable")) {
if (contact.setLastseen(AbstractParser.parseTimestamp(packet,0L,true))) {
contact.flagInactive();
}
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, 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);
}
}
}