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* 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.james.jspf.terms;
import org.apache.james.jspf.core.DNSLookupContinuation;
import org.apache.james.jspf.core.SPFSession;
import org.apache.james.jspf.core.SPFTermsRegexps;
import org.apache.james.jspf.core.exceptions.PermErrorException;
/**
* This Class represent an Unknown Modifier
*
*/
public class UnknownModifier implements Modifier, ConfigurationEnabled {
/**
* ABNF: name = ALPHA *( ALPHA / DIGIT / "-" / "_" / "." ) ABNF:
* unknown-modifier = name "=" macro-string
*/
public static final String REGEX = "(" + SPFTermsRegexps.ALPHA_PATTERN + "{1}"
+ "[A-Za-z0-9\\-\\_\\.]*" + ")" + "\\=("
+ SPFTermsRegexps.MACRO_STRING_REGEX + ")";
/**
* @see org.apache.james.jspf.core.SPFChecker#checkSPF(org.apache.james.jspf.core.SPFSession)
*/
public DNSLookupContinuation checkSPF(SPFSession spfData) throws PermErrorException {
return null;
}
/**
* @see org.apache.james.jspf.terms.Modifier#enforceSingleInstance()
*/
public boolean enforceSingleInstance() {
return false;
}
/**
* @see org.apache.james.jspf.terms.ConfigurationEnabled#config(org.apache.james.jspf.terms.Configuration)
*/
public synchronized void config(Configuration params) throws PermErrorException {
if (params.groupCount() >= 2 && params.group(1) != null) {
String name = params.group(1).toLowerCase();
if ("exp".equals(name) || "redirect".equals(name)) {
throw new PermErrorException("exp and redirect are not valid names for unknown modifier: this probably means an invalid syntax for exp or redirect fallback to the unkown modifier.");
}
}
}
}