/*
* 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.
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*/
package org.apache.vysper.xmpp.modules.core.compatibility.jabber_iq_auth.handler;
import org.apache.vysper.compliance.SpecCompliant;
import org.apache.vysper.xmpp.modules.core.base.handler.IQHandler;
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.server.response.ServerErrorResponses;
import org.apache.vysper.xmpp.stanza.IQStanza;
import org.apache.vysper.xmpp.stanza.Stanza;
import org.apache.vysper.xmpp.stanza.StanzaErrorCondition;
import org.apache.vysper.xmpp.stanza.StanzaErrorType;
/**
* handles jabber:iq:auth request - by returning "service unavailable"
*
* @author The Apache MINA Project (dev@mina.apache.org)
*/
@SpecCompliant(spec = "xep-0078", status = SpecCompliant.ComplianceStatus.FINISHED, coverage = SpecCompliant.ComplianceCoverage.UNSUPPORTED)
public class AuthCompatibilityIQHandler extends IQHandler {
@Override
public boolean verify(Stanza stanza) {
return super.verify(stanza) && verifyInnerNamespace(stanza, NamespaceURIs.JABBER_IQ_AUTH_COMPATIBILITY);
}
@Override
protected Stanza executeIQLogic(IQStanza stanza, ServerRuntimeContext serverRuntimeContext, boolean outboundStanza,
SessionContext sessionContext) {
// from XEP 78 - http://www.xmpp.org/extensions/xep-0078.html:
// If the server does not support non-SASL authentication (e.g., because it supports only SASL authentication
// as defined in RFC 3920), it MUST return a <service-unavailable/> error. If the client previously attempted
// SASL authentication but that attempt failed, the server MUST return a <policy-violation/> stream error
// (see RFC 3920 regarding stream error syntax).
switch (stanza.getIQType()) {
case GET:
case SET:
return ServerErrorResponses.getStanzaError(StanzaErrorCondition.SERVICE_UNAVAILABLE, stanza,
StanzaErrorType.CANCEL, "jabber:iq:auth not supported", "en", null);
case RESULT:
case ERROR:
break; // ignore errors in compatibility only namespace
}
return null;
}
}