/*
* Tigase Jabber/XMPP Server
* Copyright (C) 2004-2007 "Artur Hefczyc" <artur.hefczyc@tigase.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. Look for COPYING file in the top folder.
* If not, see http://www.gnu.org/licenses/.
*
* $Rev: 1144 $
* Last modified by $Author: kobit $
* $Date: 2008-09-17 18:20:04 +0100 (Wed, 17 Sep 2008) $
*/
package tigase.xmpp.impl;
import java.util.Arrays;
import java.util.Queue;
import java.util.Map;
import java.util.logging.Logger;
import tigase.server.Packet;
import tigase.xml.Element;
import tigase.xml.SimpleParser;
import tigase.xml.SingletonFactory;
import tigase.xml.DomBuilderHandler;
import tigase.xmpp.XMPPImplIfc;
import tigase.xmpp.XMPPProcessor;
import tigase.xmpp.XMPPProcessorIfc;
import tigase.xmpp.XMPPResourceConnection;
import tigase.xmpp.StanzaType;
import tigase.xmpp.Authorization;
import tigase.xmpp.NotAuthorizedException;
import tigase.xmpp.XMPPException;
import tigase.util.JIDUtils;
import tigase.db.NonAuthUserRepository;
import tigase.db.UserNotFoundException;
import tigase.db.TigaseDBException;
/**
* Describe class VCardTemp here.
*
*
* Created: Thu Oct 19 23:37:23 2006
*
* @author <a href="mailto:artur.hefczyc@tigase.org">Artur Hefczyc</a>
* @version $Rev: 1144 $
*/
public class VCardTemp extends XMPPProcessor implements XMPPProcessorIfc {
public static final String VCARD_KEY = "vCard";
/**
* Private logger for class instancess.
*/
private static Logger log =
Logger.getLogger("tigase.xmpp.impl.VCardTemp");
private static final String XMLNS = "vcard-temp";
private static final String ID = XMLNS;
// VCARD element is added to support old vCard protocol where element
// name was all upper cases. Now the plugin should catch both cases.
private static final String[] ELEMENTS = {"vCard", "VCARD"};
private static final String[] XMLNSS = {XMLNS, XMLNS};
private static final Element[] DISCO_FEATURES = {
new Element("feature", new String[] {"var"}, new String[] {XMLNS})
};
public Element[] supDiscoFeatures(final XMPPResourceConnection session)
{ return DISCO_FEATURES; }
private static final SimpleParser parser =
SingletonFactory.getParserInstance();
// Implementation of tigase.xmpp.XMPPImplIfc
public String id() { return ID; }
public String[] supElements() { return ELEMENTS; }
public String[] supNamespaces() { return XMLNSS; }
// Implementation of tigase.xmpp.XMPPProcessorIfc
/**
* Describe <code>process</code> method here.
*
* @param packet a <code>Packet</code> value
* @param session a <code>XMPPResourceConnection</code> value
* @param repo a <code>NonAuthUserRepository</code> value
* @param results a <code>Queue</code> value
*/
public void process(Packet packet, XMPPResourceConnection session,
NonAuthUserRepository repo, Queue<Packet> results,
final Map<String, Object> settings)
throws XMPPException {
if (session == null && packet.getType() != null
&& packet.getType() == StanzaType.get) {
try {
String strvCard =
repo.getPublicData(JIDUtils.getNodeID(packet.getElemTo()),
ID, VCARD_KEY, null);
if (strvCard != null) {
results.offer(parseXMLData(strvCard, packet));
} else {
results.offer(packet.okResult((String)null, 1));
} // end of if (vcard != null)
} catch (UserNotFoundException e) {
results.offer(Authorization.ITEM_NOT_FOUND.getResponseMessage(packet,
"User not found", true));
} // end of try-catch
return;
} // end of if (session == null)
if (session == null) {
log.info("Session null, dropping packet: " + packet.getStringData());
return;
} // end of if (session == null)
try {
// Not needed anymore. Packet filter does it for all stanzas.
// if (packet.getFrom().equals(session.getConnectionId())) {
// packet.getElement().setAttribute("from", session.getJID());
// } // end of if (packet.getFrom().equals(session.getConnectionId()))
String id = null;
if (packet.getElemTo() != null) {
id = JIDUtils.getNodeID(packet.getElemTo());
} // end of if (packet.getElemTo() != null)
if (id == null || id.equals(session.getUserId())) {
StanzaType type = packet.getType();
switch (type) {
case get:
try {
String strvCard = repo.getPublicData(session.getUserId(),
ID, VCARD_KEY, null);
if (strvCard != null) {
results.offer(parseXMLData(strvCard, packet));
} else {
results.offer(packet.okResult((String)null, 1));
} // end of if (vcard != null) else
} catch (UserNotFoundException e) {
results.offer(Authorization.ITEM_NOT_FOUND.getResponseMessage(packet,
"User not found", true));
} // end of try-catch
break;
case set:
if (packet.getFrom().equals(session.getConnectionId())) {
Element elvCard = packet.getElement().getChild(ELEMENTS[0]);
// This is added to support old vCard protocol where element
// name was all upper cases. So here I am checking both
// possibilities
if (elvCard == null) {
elvCard = packet.getElement().getChild(ELEMENTS[1]);
}
if (elvCard != null) {
log.finer("Adding vCard: " + elvCard.toString());
session.setPublicData(ID, VCARD_KEY, elvCard.toString());
} else {
log.finer("Removing vCard");
session.removePublicData(ID, VCARD_KEY);
} // end of else
results.offer(packet.okResult((String)null, 0));
} else {
results.offer(Authorization.NOT_AUTHORIZED.getResponseMessage(packet,
"You are not authorized to set vcard data.", true));
} // end of else
break;
case result:
case error:
Element elem = packet.getElement().clone();
Packet result = new Packet(elem);
result.setTo(session.getConnectionId());
result.setFrom(packet.getTo());
results.offer(result);
break;
default:
results.offer(Authorization.BAD_REQUEST.getResponseMessage(packet,
"Request type is incorrect", false));
break;
} // end of switch (type)
} else {
Element result = packet.getElement().clone();
// According to spec we must set proper FROM attribute
// result.setAttribute("from", session.getJID());
results.offer(new Packet(result));
} // end of else
} catch (NotAuthorizedException e) {
e.printStackTrace();
log.warning(
"Received vCard request but user session is not authorized yet: " +
packet.getStringData());
results.offer(Authorization.NOT_AUTHORIZED.getResponseMessage(packet,
"You must authorize session first.", true));
} catch (TigaseDBException e) {
log.warning("Database problem, please contact admin: " +e);
results.offer(Authorization.INTERNAL_SERVER_ERROR.getResponseMessage(packet,
"Database access problem, please contact administrator.", true));
} // end of try-catch
}
private Packet parseXMLData(String data, Packet packet) {
DomBuilderHandler domHandler = new DomBuilderHandler();
parser.parse(domHandler, data.toCharArray(), 0, data.length());
Queue<Element> elems = domHandler.getParsedElements();
Packet result = packet.okResult((Element)null, 0);
for (Element el: elems) {
result.getElement().addChild(el);
} // end of for (Element el: elems)
return result;
}
} // VCardTemp