/*
* 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: 846 $
* Last modified by $Author: kobit $
* $Date: 2008-02-02 14:15:29 +0000 (Sat, 02 Feb 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.Command;
import tigase.server.Packet;
import tigase.xml.Element;
import tigase.xmpp.StanzaType;
import tigase.xmpp.XMPPProcessor;
import tigase.xmpp.XMPPProcessorIfc;
import tigase.xmpp.XMPPResourceConnection;
import tigase.db.NonAuthUserRepository;
/**
* Describe class StartTLS here.
*
*
* Created: Fri Mar 24 07:22:57 2006
*
* @author <a href="mailto:artur.hefczyc@tigase.org">Artur Hefczyc</a>
* @version $Rev: 846 $
*/
public class StartTLS extends XMPPProcessor
implements XMPPProcessorIfc {
private static Logger log = Logger.getLogger("tigase.xmpp.impl.StartTLS");
private static final String XMLNS = "urn:ietf:params:xml:ns:xmpp-tls";
private static final String TLS_STARTED_KEY = "TLS-Started";
public static final String TLS_REQUIRED_KEY = "tls-required";
private static final String ID = "starttls";
private static final String[] ELEMENTS = {"starttls", "proceed", "failure"};
private static final String[] XMLNSS = {XMLNS, XMLNS, XMLNS};
private static final Element[] F_REQUIRED = {
new Element("starttls",
new Element[] { new Element("required") },
new String[] {"xmlns"}, new String[] {XMLNS})};
private static final Element[] F_NOT_REQUIRED = {
new Element("starttls", new String[] {"xmlns"}, new String[] {XMLNS})};
private Element proceed = null;
private Element failure = null;
public StartTLS() {
proceed = new Element("proceed");
proceed.setXMLNS(XMLNS);
failure = new Element("failure");
failure.setXMLNS(XMLNS);
}
public String id() { return ID; }
public String[] supElements() { return ELEMENTS; }
public String[] supNamespaces() { return XMLNSS; }
public Element[] supStreamFeatures(final XMPPResourceConnection session) {
if (session.getSessionData(TLS_STARTED_KEY) == null) {
if (session.getSessionData(TLS_REQUIRED_KEY) != null
&& session.getSessionData(TLS_REQUIRED_KEY).equals("true")) {
return F_REQUIRED;
} else {
return F_NOT_REQUIRED;
}
} // end of if (session.isAuthorized())
else {
return null;
} // end of if (session.isAuthorized()) else
}
public void process(final Packet packet, final XMPPResourceConnection session,
final NonAuthUserRepository repo, final Queue<Packet> results,
final Map<String, Object> settings) {
if (session == null) {
return;
} // end of if (session == null)
if (packet.getElement().getName().equals("starttls")) {
session.putSessionData(TLS_STARTED_KEY, "true");
//results.offer(packet.swapFromTo(proceed));
Packet result = Command.STARTTLS.getPacket(packet.getTo(),
packet.getFrom(), StanzaType.set, "1", "submit");
Command.setData(result, new Element("proceed",
new String[] {"xmlns"},
new String[] {"urn:ietf:params:xml:ns:xmpp-tls"}));
results.offer(result);
} // end of if (packet.getElement().getName().equals("starttls"))
else {
log.warning("Unknown TLS element: " + packet.getStringData());
results.offer(packet.swapFromTo(failure));
results.offer(Command.CLOSE.getPacket(packet.getTo(),
packet.getFrom(), StanzaType.set, "1"));
} // end of if (packet.getElement().getName().equals("starttls")) else
}
} // StartTLS