Current File : //usr/local/prospamfilter/library/SpamFilter/DNS.php
<?php
/*
*************************************************************************
* *
* ProSpamFilter *
* Bridge between Webhosting panels & SpamExperts filtering *
* *
* Copyright (c) 2010-2011 SpamExperts B.V. All Rights Reserved, *
* *
*************************************************************************
* *
* Email: support@spamexperts.com *
* Website: htttp://www.spamexperts.com *
* *
*************************************************************************
* *
* This software is furnished under a license and may be used and copied *
* only in accordance with the terms of such license and with the *
* inclusion of the above copyright notice. No title to and ownership *
* of the software is hereby transferred. *
* *
* You may not reverse engineer, decompile or disassemble this software *
* product or software product license. *
* *
* SpamExperts may terminate this license if you don't comply with any *
* of the terms and conditions set forth in our end user *
* license agreement (EULA). In such event, licensee agrees to return *
* licensor or destroy all copies of software upon termination of the *
* license. *
* *
* Please see the EULA file for the full End User License Agreement. *
* *
*************************************************************************
* @category SpamExperts
* @package ProSpamFilter
* @author $Author$
* @copyright Copyright (c) 2011, SpamExperts B.V., All rights Reserved. (http://www.spamexperts.com)
* @license Closed Source
* @version 3.0
* @link https://my.spamexperts.com/kb/34/Addons
* @since 2.0
*/
class SpamFilter_DNS
{
/**
* ConfigureDNS
* Configures the DNS
*
* @param string $domain The Domain to configure
* @param Cpanel_PublicAPI $apiRef The API reference (controlpanel) to use, or autoguess
*
* @return bool Status of DNS provisioning
*
* @access public
* @static
* @todo Check if we are actually calling this and moving it to some more central place.
*/
public static function ConfigureDNS($domain, $apiRef = null)
{
Zend_Registry::get('logger')->debug("[DNS] Configuring DNS for: '{$domain}'");
$records = self::getFilteringClusterHostnames();
/** @var $panel SpamFilter_PanelSupport_Cpanel */
$panel = new SpamFilter_PanelSupport();
if (!empty($apiRef)) {
$panel->SetApi($apiRef);
}
$act = $panel->SetupDNS(array(
'domain' => $domain,
'records' => $records
));
Zend_Registry::get('logger')->debug("[DNS] Return values from panel DNS setup: " . serialize($act));
return $act;
}
public static function DeconfigureDns($domain)
{
Zend_Registry::get('logger')->debug("[DNS] Deconfiguring DNS for: '{$domain}'");
$records = array();
// Revert MX records to $serverhostname
$records['10'] = (string) SpamFilter_Core::GetServerName();
// Actions to take are being executed by the Panel Library
$panel = new SpamFilter_PanelSupport();
/** @var SpamFilter_PanelSupport_Cpanel $panel */
$act = $panel->SetupDNS(array(
'domain' => $domain,
'records' => $records
));
Zend_Registry::get('logger')->debug("[DNS] Return values from panel DNS setup: " . serialize($act));
return $act;
}
/**
* Sets specified MX records for domain
*
* @access public
* @param $domain - domain name
* @param $routes - array of routes
*
* @return boolean
*/
public static function RevertMXs($domain, $routes){
if (empty($routes) || isset($routes['status'])) {
Zend_Registry::get('logger')->debug("[DNS] Setting MX records failed. Gathered routes is not valid: " . serialize($routes));
return false;
}
$routes = self::removePorts($routes);
$routes = array_unique(self::reverseDNS($routes));
if (self::validateRecords($routes)) {
Zend_Registry::get('logger')->debug("[DNS] Setting MX records gathered from routes from domain: " . $domain);
$panel = new SpamFilter_PanelSupport();
$prior = 10;
$records = array();
foreach ($routes as $route) {
$space = strpos($route, ' '); //for domains with special chars are routes are returned in format : 'domain route' - we want only route
if ($space !== false) {
$route = substr($route, $space + 1);
}
$records[$prior] = $route;
$prior += 10;
}
if (!empty($records)) {
/** @var SpamFilter_PanelSupport_Cpanel $panel */
$response = $panel->SetupDNS(array(
'domain' => $domain,
'records' => $records,
'unprotect' => true
));
return $response;
} else {
return false;
}
} else {
return self::DeconfigureDns($domain);
}
}
/**
* Returns hostnames of the filtering cluster (MX records for the domains under the filter)
*
* @access public
*
* @return array
*/
public static function getFilteringClusterHostnames()
{
$records = array();
if (Zend_Registry::isRegistered('general_config')) {
$config = Zend_Registry::get('general_config');
$records['10'] = $config->mx1;
if (!empty($config->mx2)) {
$records['20'] = $config->mx2;
}
if (!empty($config->mx3)) {
$records['30'] = $config->mx3;
}
if (!empty($config->mx4)) {
$records['40'] = $config->mx4;
}
}
return $records;
}
/**
* Checks if there's no IP addresses in routes
*
* @param array $records
*
* @return boolean
*/
private static function validateRecords($records)
{
foreach ($records as $record) {
if (filter_var($record, FILTER_VALIDATE_IP) == $record) {
return false;
}
}
return true;
}
/**
* Removes ports from gathered routes
*
* @param array $records
*
* @return array of sanitized routes
*/
private static function removePorts($records)
{
$clearRoutes = [];
foreach ($records as $route) {
$x = explode('::', $route);
if (count($x) > 1) {
array_pop($x);
}
$clearRoutes[] = implode("::", $x);
}
return $clearRoutes;
}
/**
* Try to get hostname from ip
*
* @param $records
* @return mixed
*/
private static function reverseDNS($records) {
foreach($records as $key => $record){
if(filter_var($record, FILTER_VALIDATE_IP) == $record){
$hostname = gethostbyaddr($record);
if ($hostname && $hostname != $record) {
$records[$key] = str_replace($record.".", "", $hostname);
}
}
}
return $records;
}
}
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