IqParser.java

  1package eu.siacs.conversations.parser;
  2
  3import android.util.Log;
  4
  5import eu.siacs.conversations.Config;
  6import eu.siacs.conversations.entities.Account;
  7import eu.siacs.conversations.entities.Contact;
  8import eu.siacs.conversations.services.XmppConnectionService;
  9import eu.siacs.conversations.xml.Element;
 10import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 11import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 12import eu.siacs.conversations.xmpp.jid.Jid;
 13import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 14
 15public class IqParser extends AbstractParser implements OnIqPacketReceived {
 16
 17	public IqParser(XmppConnectionService service) {
 18		super(service);
 19	}
 20
 21	public void rosterItems(Account account, Element query) {
 22		String version = query.getAttribute("ver");
 23		if (version != null) {
 24			account.getRoster().setVersion(version);
 25		}
 26		for (Element item : query.getChildren()) {
 27			if (item.getName().equals("item")) {
 28				final Jid jid = item.getAttributeAsJid("jid");
 29				if (jid == null) {
 30					continue;
 31				}
 32				String name = item.getAttribute("name");
 33				String subscription = item.getAttribute("subscription");
 34				Contact contact = account.getRoster().getContact(jid);
 35				if (!contact.getOption(Contact.Options.DIRTY_PUSH)) {
 36					contact.setServerName(name);
 37					contact.parseGroupsFromElement(item);
 38				}
 39				if (subscription != null) {
 40					if (subscription.equals("remove")) {
 41						contact.resetOption(Contact.Options.IN_ROSTER);
 42						contact.resetOption(Contact.Options.DIRTY_DELETE);
 43						contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
 44					} else {
 45						contact.setOption(Contact.Options.IN_ROSTER);
 46						contact.resetOption(Contact.Options.DIRTY_PUSH);
 47						contact.parseSubscriptionFromElement(item);
 48					}
 49				}
 50				mXmppConnectionService.getAvatarService().clear(contact);
 51			}
 52		}
 53		mXmppConnectionService.updateConversationUi();
 54		mXmppConnectionService.updateRosterUi();
 55	}
 56
 57	public String avatarData(IqPacket packet) {
 58		Element pubsub = packet.findChild("pubsub",
 59				"http://jabber.org/protocol/pubsub");
 60		if (pubsub == null) {
 61			return null;
 62		}
 63		Element items = pubsub.findChild("items");
 64		if (items == null) {
 65			return null;
 66		}
 67		return super.avatarData(items);
 68	}
 69
 70	@Override
 71	public void onIqPacketReceived(Account account, IqPacket packet) {
 72		if (packet.hasChild("query", "jabber:iq:roster")) {
 73			final Jid from = packet.getFrom();
 74			if ((from == null) || (from.equals(account.getJid().toBareJid()))) {
 75				Element query = packet.findChild("query");
 76				this.rosterItems(account, query);
 77			}
 78		} else {
 79			if (packet.getFrom() == null) {
 80				Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": received iq with invalid from "+packet.toString());
 81				return;
 82			} else if (packet.hasChild("open", "http://jabber.org/protocol/ibb")
 83					|| packet.hasChild("data", "http://jabber.org/protocol/ibb")) {
 84				mXmppConnectionService.getJingleConnectionManager()
 85						.deliverIbbPacket(account, packet);
 86			} else if (packet.hasChild("query", "http://jabber.org/protocol/disco#info")) {
 87				IqPacket response = mXmppConnectionService.getIqGenerator()
 88						.discoResponse(packet);
 89				account.getXmppConnection().sendIqPacket(response, null);
 90			} else if (packet.hasChild("ping", "urn:xmpp:ping")) {
 91				IqPacket response = packet.generateRespone(IqPacket.TYPE_RESULT);
 92				mXmppConnectionService.sendIqPacket(account, response, null);
 93			} else {
 94				if ((packet.getType() == IqPacket.TYPE_GET)
 95						|| (packet.getType() == IqPacket.TYPE_SET)) {
 96					IqPacket response = packet.generateRespone(IqPacket.TYPE_ERROR);
 97					Element error = response.addChild("error");
 98					error.setAttribute("type", "cancel");
 99					error.addChild("feature-not-implemented",
100							"urn:ietf:params:xml:ns:xmpp-stanzas");
101					account.getXmppConnection().sendIqPacket(response, null);
102				}
103			}
104		}
105	}
106
107}