/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.vysper.xmpp.modules.core.bind.handler;
import org.apache.vysper.xmpp.addressing.Entity;
import org.apache.vysper.xmpp.addressing.EntityImpl;
import org.apache.vysper.xmpp.modules.core.base.handler.DefaultIQHandler;
import org.apache.vysper.xmpp.protocol.NamespaceURIs;
import org.apache.vysper.xmpp.server.ServerRuntimeContext;
import org.apache.vysper.xmpp.server.SessionContext;
import org.apache.vysper.xmpp.stanza.IQStanza;
import org.apache.vysper.xmpp.stanza.IQStanzaType;
import org.apache.vysper.xmpp.stanza.Stanza;
import org.apache.vysper.xmpp.stanza.StanzaBuilder;
import org.apache.vysper.xmpp.state.resourcebinding.BindException;
/**
* handles bind requests
*
* @author The Apache MINA Project (dev@mina.apache.org)
*/
public class BindIQHandler extends DefaultIQHandler {
@Override
protected boolean verifyInnerElement(Stanza stanza) {
return verifyInnerNamespace(stanza, NamespaceURIs.URN_IETF_PARAMS_XML_NS_XMPP_BIND) &&
verifyInnerElementWorker(stanza, "bind");
}
@Override
protected Stanza handleSet(IQStanza stanza, ServerRuntimeContext serverRuntimeContext, SessionContext sessionContext) {
// As per RFC3920.7, the client may propose a resource id to the server:
//
// <iq type='set' id='bind_2'>
// <bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
// <resource>someresource</resource>
// </bind>
// </iq>
//
// The client's proposed resource id is ignored by this server.
String resourceId = null;
try {
resourceId = sessionContext.bindResource();
} catch (BindException e) {
return bindError(stanza, sessionContext);
}
Entity entity = new EntityImpl(sessionContext.getInitiatingEntity(), resourceId);
StanzaBuilder stanzaBuilder = StanzaBuilder.createIQStanza(null, null, IQStanzaType.RESULT, stanza.getID())
.startInnerElement("bind", NamespaceURIs.URN_IETF_PARAMS_XML_NS_XMPP_BIND).startInnerElement("jid",
NamespaceURIs.URN_IETF_PARAMS_XML_NS_XMPP_BIND).addText(entity.getFullQualifiedName())
.endInnerElement().endInnerElement();
return stanzaBuilder.build();
}
private Stanza bindError(IQStanza stanza, SessionContext sessionContext) {
StanzaBuilder stanzaBuilder = StanzaBuilder.createIQStanza(null, null, IQStanzaType.ERROR, stanza.getID())
.startInnerElement("error", NamespaceURIs.JABBER_CLIENT).addAttribute("type", "cancel")
.startInnerElement("not-allowed", NamespaceURIs.URN_IETF_PARAMS_XML_NS_XMPP_STANZAS).endInnerElement();
return stanzaBuilder.build();
}
}