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<?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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