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<?php /** * @package phocaguestbook * @subpackage Helpers * @copyright Copyright (C) 2012 Jan Pavelka www.phoca.cz * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL / defined( '_JEXEC' ) or die( 'Restricted access' ); class PhocaguestbookOnlineCheckHelper { public static function checkSpam(&$data, &$params, &$logging){ $return_is_spam = false; / Akismet , see akismet.com * after checking, that everything is valid and the captcha is good, * we ask the akismet Service if this post is a spam, * given that akismet check is enabled in the config / if ($params->get('enable_akismet') == 1) { $logging->content_akismet = 1; $tmp = ''; $akismetSuspectSpam = PhocaguestbookOnlineCheckHelper::checkAkismet( $params->get('akismet_api_key'), $params->get('akismet_url'), $data['username'], $data['mail'], $data['homesite'], $data['content'], $tmp); // Error while setting Akismet if ($tmp != '') { JFactory::getApplication()->enqueueMessage(JText::_( 'COM_PHOCAGUESTBOOK_PHOCA_GUESTBOOK_AKISMET_NOT_CORRECTLY_SET' ) . $tmp, 'error'); $return_is_spam = true; $logging->content_akismet = 3; } if ($akismetSuspectSpam) { $return_is_spam = true; $logging->content_akismet = 2; } $logging->content_akismet_txt = $tmp; } // Mollom // Further informations: http://mollom.com/ if ($params->get('enable_mollom') == 1 ){ $logging->content_mollom = 1; $tmp = ''; $mollomSuspectSpam = PhocaguestbookOnlineCheckHelper::checkMollom( $params->get('mollom_publickey'), $params->get('mollom_privatekey'), null, $data['subject'], $data['username'], $data['mail'], $data['homesite'], $data['content'], $tmp); if($tmp['spam'] == 'spam') { $return_is_spam = true; $logging->content_mollom = 2; } $logging->content_mollom_txt = implode(",", array_keys($tmp)) . '->' . implode(",", $tmp); } return $return_is_spam; } public static function checkIpAddress($ipAddr, &$params, &$logging) { $return_is_spam = false; //Local (saved) IPs $logging->ip_list = 1; $ip_ban = trim( $params->get( 'ip_ban' ) ); $ip_ban_array = explode( ',', $ip_ban ); if (is_array($ip_ban_array)) { foreach ($ip_ban_array as $valueIp) { if ($valueIp != '' && strstr($ipAddr, trim($valueIp)) && strpos($ipAddr, trim($valueIp))==0) { $return_is_spam = true; $logging->ip_list = 2; } } } // StopForumSpam - Check the IP Address // Further informations: http://www.stopforumspam.com if($params->get('enable_stopforumspam')) { $url = 'http://www.stopforumspam.com/api?ip='.$ipAddr; $response = false; $is_spam = false; $logging->ip_stopforum = 1; if(function_exists('curl_init')) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_POST, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $response = curl_exec($ch); curl_close($ch); } if($response) { preg_match('#<appears>(.)</appears>#', $response, $out); $is_spam = $out[1]; } else { $handle = @ fopen($url, 'r'); if($handle) { while(!feof($handle)) { $line = fgets($handle, 1024); $response .= $line; if(preg_match('#<appears>(.)</appears>#', $line, $out)) { $is_spam = $out[1]; //break; } } fclose($handle); } } if($is_spam == 'yes' && $response) { $return_is_spam = true; $logging->ip_stopforum = 2; } $logging->ip_stopforum_txt = strip_tags($response); //strip tags to save memory } // Honeypot Project // Further informations: http://www.projecthoneypot.org/home.php // BL ACCESS KEY - http://www.projecthoneypot.org/httpbl_configure.php if($params->get('enable_projecthoneypot')) { require_once JPATH_COMPONENT.'/assets/honeypot/honeypot.php'; $http_blKey = $params->get('projecthoneypot_key'); $logging->ip_honeypot = 1; if($http_blKey) { $http_bl = new http_bl($http_blKey); $result = $http_bl->query($ipAddr); if($result == 2) { $return_is_spam = true; } $logging->ip_honeypot = $result; } } // Botscout - Check the IP Address // Further informations: if($params->get('enable_botscout')) { //JApplication::stringURLSafe() $url = 'http://botscout.com/test/?ip='.$ipAddr.'&key='.$params->get('botscout_key'); $response = false; $is_spam = false; $logging->ip_botscout = 1; if(function_exists('curl_init')) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_POST, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $response = curl_exec($ch); curl_close($ch); } if($response) { $is_spam = substr($response, 0, 1); } else { $handle = @ fopen($url, 'r'); if($handle) { while(!feof($handle)) { $line = fgets($handle, 1024); $response .= $line; $is_spam = substr($line, 0, 1); } fclose($handle); } } if ($response == true \|\| $handle == true) { if($is_spam == 'Y') { $return_is_spam = true; $logging->ip_botscout = 2; } else if($is_spam == 'N') { //no spam - do nothing } else { JFactory::getApplication()->enqueueMessage(JText::_( 'COM_PHOCAGUESTBOOK_PHOCA_GUESTBOOK_BOTSCOUT_NOT_CORRECTLY_SET' ) . ':'. $response, 'error'); $return_is_spam = true; $logging->ip_botscout = 3; } } else { //no response - do nothing?? } $logging->ip_botscout_txt = $response; } return $return_is_spam; } public static function checkAkismet($api,$blogUrl,$name,$email,$url, $comment, &$msgA){ require_once( JPATH_COMPONENT.'/assets/akismet/Akismet.class.php' ); $akismet = new Akismet($blogUrl, $api); $akismet->setCommentAuthor($name); $akismet->setCommentAuthorEmail($email); $akismet->setCommentAuthorURL($url); $akismet->setCommentContent($comment); //ip and agend set by class if($akismet->isKeyValid()) {} else { $msgA = 'Akismet: Key is invalid'; } //trigger_error("Akismet: ".$akismet->isCommentSpam(),E_USER_WARNING); return $akismet->isCommentSpam(); } public static function checkMollom($publickey,$privatekey,$session_id,$subject,$name,$email,$url, $comment, &$feedback){ require_once JPATH_COMPONENT.'/assets/mollom/mollom.php'; Mollom::setPublicKey($publickey); Mollom::setPrivateKey($privatekey); $servers = Mollom::getServerList(); //ip set by class $feedback = Mollom::checkContent(null, $subject, $comment, $name, $url, $email); } public static function createMollomCaptcha($publickey,$privatekey,$session_id){ require_once JPATH_COMPONENT.'/assets/mollom/mollom.php'; Mollom::setPublicKey($publickey); Mollom::setPrivateKey($privatekey); $servers = Mollom::getServerList(); return Mollom::getImageCaptcha($session_id); } public static function checkMollomCaptcha($publickey,$privatekey,$session_id,$value){ require_once JPATH_COMPONENT.'/assets/mollom/mollom.php'; Mollom::setPublicKey($publickey); Mollom::setPrivateKey($privatekey); $servers = Mollom::getServerList(); return Mollom::checkCaptcha($session_id, $value); } public static function sanitize($string, $force_lowercase = true, $anal = false) { $strip = array("~", "`", "!", "@", "#", "$", "%", "^", "&", "", "(", ")", "_", "=", "+", "[", "{", "]", "}", "\\", "\|", ";", ":", "\"", "'", "‘", "’", "“", "”", "–", "—", "â€”", "â€“", ",", "<", ".", ">", "/", "?"); $clean = trim(str_replace($strip, "", strip_tags($string))); $clean = preg_replace('/\s+/', "-", $clean); $clean = ($anal) ? preg_replace("/[^a-zA-Z0-9]/", "", $clean) : $clean ; return ($force_lowercase) ? (function_exists('mb_strtolower')) ? mb_strtolower($clean, 'UTF-8') : strtolower($clean) : $clean; } } ?>

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