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* 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 *
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* 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 *
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package org.apache.james.jspf.policies.local;
import org.apache.james.jspf.core.Logger;
import org.apache.james.jspf.core.SPF1Record;
import org.apache.james.jspf.core.exceptions.NeutralException;
import org.apache.james.jspf.core.exceptions.NoneException;
import org.apache.james.jspf.core.exceptions.PermErrorException;
import org.apache.james.jspf.core.exceptions.TempErrorException;
import org.apache.james.jspf.policies.PolicyPostFilter;
import org.apache.james.jspf.terms.Directive;
import org.apache.james.jspf.terms.IncludeMechanism;
/**
* PolicyPostFilter which implements trusted forwared.
* See http://www.trusted-forwarder.org for more informations
*
*/
public class TrustedForwarderPolicy implements PolicyPostFilter {
/**
* The hostname to include
*/
public static final String TRUSTED_FORWARDER_HOST = "spf.trusted-forwarder.org";
private Logger log;
/**
* @param log the logger
*/
public TrustedForwarderPolicy(Logger log) {
this.log = log;
}
/**
* @see org.apache.james.jspf.policies.PolicyPostFilter#getSPFRecord(java.lang.String, org.apache.james.jspf.core.SPF1Record)
*/
public SPF1Record getSPFRecord(String currentDomain, SPF1Record spfRecord) throws PermErrorException, TempErrorException, NoneException, NeutralException {
if (spfRecord == null) return null;
String mechanism = ((Directive) spfRecord.getDirectives().get(spfRecord.getDirectives().size())).toString();
if (mechanism.equals("-all") || mechanism.equals("?all")) {
log.debug("Add TrustedForwarderPolicy = include:"+TRUSTED_FORWARDER_HOST);
try {
IncludeMechanism trusted = new IncludeMechanism() {
/**
* Set the host to use
*
* @param host the host to include
*/
public synchronized IncludeMechanism setHost(String host) {
this.host = host;
return this;
}
}.setHost(TRUSTED_FORWARDER_HOST);
spfRecord.getDirectives().add(spfRecord.getDirectives().size()-1, new Directive(null, trusted, log.getChildLogger("trustedforwarder")));
} catch (PermErrorException e) {
// will never happen
}
}
return spfRecord;
}
}