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019
020 package org.apache.james.jspf.policies;
021
022 import org.apache.james.jspf.core.DNSLookupContinuation;
023 import org.apache.james.jspf.core.SPF1Constants;
024 import org.apache.james.jspf.core.SPFSession;
025 import org.apache.james.jspf.core.SPF1Record;
026 import org.apache.james.jspf.core.exceptions.NeutralException;
027 import org.apache.james.jspf.core.exceptions.NoneException;
028 import org.apache.james.jspf.core.exceptions.PermErrorException;
029 import org.apache.james.jspf.core.exceptions.TempErrorException;
030 import org.apache.james.jspf.terms.Modifier;
031
032 /**
033 * Sets the result to NEUTRAL if no directive is found
034 */
035 public class NeutralIfNotMatchPolicy implements PolicyPostFilter {
036
037 private final class NeutralIfNotMatchModifier implements Modifier {
038
039 /**
040 * @see org.apache.james.jspf.core.SPFChecker#checkSPF(org.apache.james.jspf.core.SPFSession)
041 */
042 public DNSLookupContinuation checkSPF(SPFSession spfData) throws PermErrorException, TempErrorException, NeutralException {
043 // If no match was found set the result to neutral
044 if (spfData.getCurrentResult() == null) {
045 spfData.setCurrentResult(SPF1Constants.NEUTRAL);
046 }
047 return null;
048 }
049
050 public String toString() {
051 return "defaultresult";
052 }
053
054 /**
055 * (non-Javadoc)
056 * @see org.apache.james.jspf.terms.Modifier#enforceSingleInstance()
057 */
058 public boolean enforceSingleInstance() {
059 return false;
060 }
061 }
062
063 /**
064 * @see org.apache.james.jspf.policies.PolicyPostFilter#getSPFRecord(java.lang.String, org.apache.james.jspf.core.SPF1Record)
065 */
066 public SPF1Record getSPFRecord(String currentDomain, SPF1Record spfRecord) throws PermErrorException, TempErrorException, NoneException, NeutralException {
067 if (spfRecord == null) return null;
068 // Set the result to NEUTRAL if at least a directive is present and it didn't match
069 // Maybe we should simply append a "?all" at the end, as modifier
070 if (spfRecord.getDirectives().size() > 0) {
071 spfRecord.getModifiers().add(new NeutralIfNotMatchModifier());
072 }
073 return spfRecord;
074 }
075 }