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<?php
/*
* Calculate the effective registered domain of a fully qualified domain name.
*
* <@LICENSE>
* 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.
* </@LICENSE>
*
* Florian Sager, 25.07.2008, sager@agitos.de, http://www.agitos.de
*/
/*
* Remove subdomains from a signing domain to get the registered domain.
*
* dkim-reputation.org blocks signing domains on the level of registered domains
* to rate senders who use e.g. a.spamdomain.tld, b.spamdomain.tld, ... under
* the most common identifier - the registered domain - finally.
*
* This function returns NULL if $signingDomain is TLD itself
*
* $signingDomain has to be provided lowercase (!)
*/
/* pull in class */
require_once (dirname ( __FILE__ ) . '/regDomain.class.php');
/* create global object */
;
function getRegisteredDomain($signingDomain, $fallback = TRUE) {
/* pull in object */
$regDomainObj = new regDomain ();
/* return object method */
return $regDomainObj->getRegisteredDomain ( $signingDomain, $fallback );
}
function validDomainPart($domPart) {
/* pull in object */
$regDomainObj = new regDomain ();
/* return object method */
return $regDomainObj->validDomainPart ( $domPart );
}
// recursive helper method
function findRegisteredDomain($remainingSigningDomainParts, &$treeNode) {
/* pull in object */
$regDomainObj = new regDomain ();
/* return object method */
return $regDomainObj->findRegisteredDomain ( $remainingSigningDomainParts, $treeNode );
}
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