spamfilter.model.php

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<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
class spamfilterModel extends spamfilter
{
    function init()
    {
    }

    function getConfig()
    {
        // Get configurations (using the module model object)
        $oModuleModel = getModel('module');
        return $oModuleModel->getModuleConfig('spamfilter');
    }

    function getDeniedIPList()
    {
        $args = new stdClass();
        $args->sort_index = "regdate";
        $args->page = Context::get('page')?Context::get('page'):1;
        $output = executeQuery('spamfilter.getDeniedIPList', $args);
        if(!$output->data) return;
        if(!is_array($output->data)) return array($output->data);
        return $output->data;
    }

    function isDeniedIP()
    {
        $ipaddress = $_SERVER['REMOTE_ADDR'];

        $ip_list = $this->getDeniedIPList();
        if(!count($ip_list)) return new BaseObject();

        $count = count($ip_list);
        for($i=0;$i<$count;$i++)
        {
            $ip = str_replace('.', '\.', str_replace('*','(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)',$ip_list[$i]->ipaddress));
            if(preg_match('/^'.$ip.'$/', $ipaddress, $matches)) return new BaseObject(-1,'msg_alert_registered_denied_ip');
        }

        return new BaseObject();
    }

    function getDeniedWordList()
    {
        $args = new stdClass();
        $args->sort_index = "hit";
        $output = executeQuery('spamfilter.getDeniedWordList', $args);
        if(!$output->data) return;
        if(!is_array($output->data)) return array($output->data);
        return $output->data;
    }

    function isDeniedWord($text)
    {
        $word_list = $this->getDeniedWordList();
        if(!count($word_list)) return new BaseObject();

        $count = count($word_list);
        for($i=0;$i<$count;$i++)
        {
            $word = $word_list[$i]->word;
            if(preg_match('/'.preg_quote($word,'/').'/is', $text))
            {
                $args->word = $word;
                $output = executeQuery('spamfilter.updateDeniedWordHit', $args);
                return new BaseObject(-1,sprintf(Context::getLang('msg_alert_denied_word'), $word));
            }
        }

        return new BaseObject();
    }

    function checkLimited($isMessage = FALSE)
    {
        $config = $this->getConfig();

        if($config->limits != 'Y') return new BaseObject(); 
        $limit_count = '3';
        $interval = '10';

        $count = $this->getLogCount($interval);

        $ipaddress = $_SERVER['REMOTE_ADDR'];
        // Ban the IP address if the interval is exceeded
        if($count>=$limit_count)
        {
            $oSpamFilterController = getController('spamfilter');
            $oSpamFilterController->insertIP($ipaddress, 'AUTO-DENIED : Over limit');
            return new BaseObject(-1, 'msg_alert_registered_denied_ip');
        }
        // If the number of limited posts is not reached, keep creating.
        if($count)
        {
            if($isMessage)
            {
                $message = sprintf(Context::getLang('msg_alert_limited_message_by_config'), $interval);
            }
            else
            {
                $message = sprintf(Context::getLang('msg_alert_limited_by_config'), $interval);
            }

            $oSpamFilterController = getController('spamfilter');
            $oSpamFilterController->insertLog();

            return new BaseObject(-1, $message);
        }
        return new BaseObject();
    }

    function isInsertedTrackback($document_srl)
    {
        $oTrackbackModel = getModel('trackback');
        $count = $oTrackbackModel->getTrackbackCountByIPAddress($document_srl, $_SERVER['REMOTE_ADDR']);
        if($count>0) return new BaseObject(-1, 'msg_alert_trackback_denied');

        return new BaseObject();
    }

    function getLogCount($time = 60, $ipaddress='')
    {
        if(!$ipaddress) $ipaddress = $_SERVER['REMOTE_ADDR'];

        $args->ipaddress = $ipaddress;
        $args->regdate = date("YmdHis", $_SERVER['REQUEST_TIME']-$time);
        $output = executeQuery('spamfilter.getLogCount', $args);
        $count = $output->data->count;
        return $count;
    }
}
/* End of file spamfilter.model.php */
/* Location: ./modules/spamfilter/spamfilter.model.php */