rhymix/modules/spamfilter/spamfilter.model.php

336 lines
8.7 KiB
PHP

<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
/**
* @class spamfilterModel
* @author NAVER (developers@xpressengine.com)
* @brief The Model class of the spamfilter module
*/
class SpamfilterModel extends Spamfilter
{
/**
* @brief Return the user setting values of the Spam filter module
*/
public static function getConfig()
{
return ModuleModel::getModuleConfig('spamfilter') ?: new stdClass;
}
/**
* @brief Return the list of registered IP addresses which were banned
*/
public static function getDeniedIPList($sort_index = 'regdate')
{
$args = new stdClass();
$args->sort_index = $sort_index;
$args->page = Context::get('page')?Context::get('page'):1;
$output = executeQueryArray('spamfilter.getDeniedIPList', $args);
if(!$output->data) return array();
return $output->data;
}
/**
* @brief Check if the ipaddress is in the list of banned IP addresses
*/
public static function isDeniedIP()
{
$ip_list = Rhymix\Framework\Cache::get('spamfilter:denied_ip_list');
if ($ip_list === null)
{
$ip_list = self::getDeniedIPList();
Rhymix\Framework\Cache::set('spamfilter:denied_ip_list', $ip_list);
}
if (!count($ip_list))
{
return new BaseObject();
}
$is_logged = Context::get('is_logged');
foreach ($ip_list as $ip_range)
{
if (!empty($ip_range->except_member) && $ip_range->except_member === 'Y' && $is_logged)
{
continue;
}
if (Rhymix\Framework\Filters\IpFilter::inRange(\RX_CLIENT_IP, $ip_range->ipaddress))
{
$args = new stdClass();
$args->ipaddress = $ip_range->ipaddress;
executeQuery('spamfilter.updateDeniedIPHit', $args);
return new BaseObject(-1, 'msg_alert_registered_denied_ip');
}
}
return new BaseObject();
}
/**
* @brief Return the list of registered Words which were banned
*/
public static function getDeniedWordList($sort_index = 'hit')
{
$args = new stdClass();
$args->sort_index = $sort_index;
$output = executeQueryArray('spamfilter.getDeniedWordList', $args);
return $output->data ?: array();
}
/**
* @brief Check if the text, received as a parameter, is banned or not
*/
public static function isDeniedWord($text)
{
$word_list = Rhymix\Framework\Cache::get('spamfilter:denied_word_list');
if ($word_list === null)
{
$word_list = self::getDeniedWordList();
Rhymix\Framework\Cache::set('spamfilter:denied_word_list', $word_list);
}
if (!count($word_list))
{
return new BaseObject();
}
$is_logged = Context::get('is_logged');
$fulltext = strtolower(utf8_trim(utf8_normalize_spaces($text)));
$plaintext = htmlspecialchars_decode(strip_tags($fulltext, '<a><img>'));
foreach ($word_list as $word_item)
{
if (!empty($word_item->except_member) && $word_item->except_member === 'Y' && $is_logged)
{
continue;
}
$target = (!empty($word_item->filter_html) && $word_item->filter_html === 'Y') ? 'fulltext' : 'plaintext';
$word = $word_item->word;
$hit = false;
if (preg_match('#^/.+/$#', $word))
{
$hit = preg_match($word . 'iu', $$target, $matches) ? $matches[0] : false;
}
if ($hit === false)
{
$hit = (strpos($$target, strtolower($word)) !== false) ? $word : false;
}
if ($hit !== false)
{
$args = new stdClass();
$args->word = $word;
executeQuery('spamfilter.updateDeniedWordHit', $args);
$config = self::getConfig();
if($config->custom_message)
{
if(preg_match('/^\\$user_lang->[a-zA-Z0-9]+$/', $config->custom_message))
{
$custom_message = escape(Context::replaceUserLang($config->custom_message), false);
}
else
{
$custom_message = $config->custom_message;
}
}
else
{
$custom_message = lang('msg_alert_denied_word');
}
if (strpos($custom_message, '%s') !== false)
{
$custom_message = sprintf($custom_message, escape($hit, false));
}
return new BaseObject(-1, $custom_message);
}
}
return new BaseObject();
}
/**
* @brief Check the specified time
*/
public static function checkLimited($isMessage = FALSE)
{
$config = self::getConfig();
if($config->limits != 'Y') return new BaseObject();
$limit_count = $config->limits_count ?: 3;
$interval = $config->limits_interval ?: 10;
if (!empty($config->except_ip))
{
if (Rhymix\Framework\Filters\IpFilter::inRanges(\RX_CLIENT_IP, $config->except_ip))
{
return new BaseObject();
}
}
$count = self::getLogCount($interval);
// Ban the IP address if the interval is exceeded
if($count>=$limit_count)
{
if (\RX_CLIENT_IP_VERSION == 4)
{
$suffix = $config->ipv4_block_range ?: '';
}
else
{
$suffix = $config->ipv6_block_range ?: '';
}
$oSpamFilterController = SpamfilterController::getInstance();
$oSpamFilterController->insertIP(\RX_CLIENT_IP . $suffix, 'AUTO-DENIED : Over limit');
return new BaseObject(-1, 'msg_alert_registered_denied_ip');
}
// If the number of limited posts is not reached, keep creating.
if($count)
{
if($isMessage)
{
$message = sprintf(lang('msg_alert_limited_message_by_config'), $interval);
}
else
{
$message = sprintf(lang('msg_alert_limited_by_config'), $interval);
}
$oSpamFilterController = getController('spamfilter');
$oSpamFilterController->insertLog();
return new BaseObject(-1, $message);
}
return new BaseObject();
}
/**
* Check if CAPTCHA is enabled
*
* @return bool
*/
public static function isCaptchaEnabled($target_action = null)
{
$config = ModuleModel::getModuleConfig('spamfilter');
$user = Context::get('logged_info');
if (!isset($config) || empty($config->captcha) || empty($config->captcha->type) || empty($config->captcha->site_key) || empty($config->captcha->secret_key))
{
return false;
}
if ($user->is_admin === 'Y')
{
return false;
}
if ($config->captcha->target_users !== 'everyone' && $user->member_srl)
{
return false;
}
if ($config->captcha->target_frequency !== 'every_time' && isset($_SESSION['recaptcha_authenticated']) && $_SESSION['recaptcha_authenticated'])
{
return false;
}
if (!$config->captcha->target_devices[Mobile::isFromMobilePhone() ? 'mobile' : 'pc'])
{
return false;
}
if ($target_action && !$config->captcha->target_actions[$target_action])
{
return false;
}
return true;
}
/**
* Get a CAPTCHA instance.
*
* @return ?object
*/
public static function getCaptcha($target_action = null)
{
$config = ModuleModel::getModuleConfig('spamfilter');
if (!isset($config) || empty($config->captcha) || empty($config->captcha->type) || empty($config->captcha->site_key) || empty($config->captcha->secret_key))
{
return null;
}
$captcha_class = 'Rhymix\\Modules\\Spamfilter\\Captcha\\' . $config->captcha->type;
if (!class_exists($captcha_class))
{
return null;
}
$captcha_class::init($config->captcha);
$captcha = new $captcha_class();
if ($target_action)
{
$captcha->setTargetActions([$target_action => true]);
}
$captcha->addScripts();
return $captcha;
}
/**
* Check the CAPTCHA.
*
* This method will throw an exception if the CAPTCHA is invalid.
*
* @param ?string $response
* @return void
*/
public static function checkCaptchaResponse(?string $response = null): void
{
$config = ModuleModel::getModuleConfig('spamfilter');
if (!isset($config) || empty($config->captcha) || empty($config->captcha->type) || empty($config->captcha->site_key) || empty($config->captcha->secret_key))
{
throw new Exception('msg_recaptcha_not_configured');
}
$captcha_class = 'Rhymix\\Modules\\Spamfilter\\Captcha\\' . $config->captcha->type;
if (!class_exists($captcha_class))
{
throw new Exception('msg_recaptcha_not_configured');
}
$captcha_class::init($config->captcha);
$captcha_class::check($response);
}
/**
* @brief Check if the trackbacks have already been registered to a particular article
*/
public static function isInsertedTrackback($document_srl)
{
$oTrackbackModel = getModel('trackback');
if (is_object($oTrackbackModel) && method_exists($oTrackbackModel, 'getTrackbackCountByIPAddress'))
{
$count = $oTrackbackModel->getTrackbackCountByIPAddress($document_srl, \RX_CLIENT_IP);
if ($count > 0)
{
return new BaseObject(-1, 'msg_alert_trackback_denied');
}
}
return new BaseObject();
}
/**
* @brief Return the number of logs recorded within the interval for the specified IPaddress
*/
public static function getLogCount($time = 60, $ipaddress='')
{
if(!$ipaddress) $ipaddress = \RX_CLIENT_IP;
$args = new stdClass();
$args->ipaddress = $ipaddress;
$args->regdate = date("YmdHis", 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 */