<?php
@error_reporting(7);
@ini_set('display_errors', true);
@ini_set('html_errors', false);

define('DATALIFEENGINE', true);
define( 'ROOT_DIR', substr( dirname(  __FILE__ ), 0, -12 ) );
define( 'SYSTEM_DIR', ROOT_DIR . '/system' );

include SYSTEM_DIR.'/data/config.php';
require_once SYSTEM_DIR.'/classes/mysql.php';
require_once SYSTEM_DIR.'/data/dbconfig.php';
require_once SYSTEM_DIR . '/modules/functions.php';

include_once ROOT_DIR.'/language/'.$config['langs'].'/website.lng';
$config['charset'] = ($lang['charset'] != '') ? $lang['charset'] : $config['charset'];
require_once SYSTEM_DIR.'/modules/functions.php';
require_once SYSTEM_DIR.'/classes/parse.class.php';
$parse = new ParseFilter();

function check_name($name)
{
	global $lang, $db, $banned_info;
	$stop = '';

	if (strlen($name) > 20){$stop .= $lang['reg_err_3'];}
    if (preg_match("/[\||\'|\<|\>|\[|\]|\"|\!|\?|\$|\@|\/|\\\|\&\~\*\{\+]/",$name)){$stop .= $lang['reg_err_4'];}
	if (empty($name)){$stop .= $lang['reg_err_7'];}
	if (strpos( strtolower ($name) , '.php' ) !== false) {$stop .= $lang['reg_err_4'];}

	if (count($banned_info['name'])) foreach($banned_info['name'] as $banned){
			$banned['name'] = str_replace( '\*', '.*' ,  preg_quote($banned['name'], "#") );
			if ( $banned['name'] AND preg_match( "#^{$banned['name']}$#i", $name ) ) {
				if ($banned['descr']) {$lang['reg_err_21']	= str_replace("{descr}", $lang['reg_err_22'], $lang['reg_err_21']); $lang['reg_err_21']	= str_replace("{descr}", $banned['descr'], $lang['reg_err_21']);
				} else $lang['reg_err_21']	= str_replace("{descr}", "", $lang['reg_err_21']);
				$stop .= $lang['reg_err_21'];
		}}

	if (!$stop){
		$replace_word = array ('e' => '[eå¸]', 'r' => '[rã]', 't' => '[tò]', 'y' => '[yó]','u' => '[uè]','i' => '[i1l!]','o' => '[oî0]','p' => '[pð]','a' => '[aà]','s' => '[s5]','w' => 'w','q' => 'q','d' => 'd','f' => 'f','g' => '[gä]','h' => '[hí]','j' => 'j','k' => '[kê]','l' => '[l1i!]','z' => 'z','x' => '[xõ%]','c' => '[cñ]','v' => '[vuè]','b' => '[bâü]','n' => '[nïë]','m' => '[mì]','é' => '[éèu]','ö' => 'ö','ó' => '[óy]','å' => '[åe¸]','í' => '[íh]','ã' => '[ãr]','ø' => '[øwù]','ù' => '[ùwø]','ç' => '[ç3ý]','õ' => '[õx%]','ú' => '[úü]','ô' => 'ô','û' => '(û|ü[i1l!]?)','â' => '[âb]','à' => '[àa]','ï' => '[ïn]','ð' => '[ðp]','î' => '[îo0]','ë' => '[ën]','ä' => 'ä','æ' => 'æ','ý' => '[ý3ç]','ÿ' => '[ÿ]','÷' => '[÷4]','ñ' => '[ñc]','ì' => '[ìm]','è' => '[èué]','ò' => '[òt]','ü' => '[üb]','á' => '[á6]','þ' => '(þ|[!1il][oî0])','¸' => '[¸åe]','1' => '[1il!]','2' => '2','3' => '[3çý]','4' => '[4÷]','5' => '[5s]','6' => '[6á]','7' => '7','8' => '8','9' => '9','0' => '[0îo]','_' => '_','#' => '#','%' => '[%x]','^' => '[^~]','(' => '[(]',')' => '[)]','=' => '=','.' => '[.]','-' => '-','[' => '[\[]');
		$name=strtolower($name);
		$search_name=strtr($name, $replace_word);
		$db->query ("SELECT name FROM " . USERPREFIX . "_users WHERE LOWER(name) REGEXP '[[:<:]]{$search_name}[[:>:]]' OR name = '$name'");
        if ($db->num_rows() > 0){$stop .= $lang['reg_err_20'];}
	}

	if (!$stop) return false; else return $stop;
}

$banned_info = $cache->get ("banned");
if (!is_array($banned_info)) {$banned_info = array ();
$db->query("SELECT * FROM " . USERPREFIX . "_banned");
while($row = $db->get_row()){

	if ($row['users_id']) {$banned_info['users_id'][$row['users_id']] = array('users_id' => $row['users_id'], 'descr' => stripslashes($row['descr']), 'date' => $row['date']);
    } else {if (count(explode(".", $row['ip'])) == 4) $banned_info['ip'][$row['ip']] = array('ip' => $row['ip'], 'descr' => stripslashes($row['descr']), 'date' => $row['date']);
		elseif (strpos( $row['ip'], "@" ) !== false) $banned_info['email'][$row['ip']] = array('email' => $row['ip'], 'descr' => stripslashes($row['descr']), 'date' => $row['date']);
		else $banned_info['name'][$row['ip']] = array('name' => $row['ip'], 'descr' => stripslashes($row['descr']), 'date' => $row['date']);
}}
$cache->set ("banned", $banned_info);
$db->free();
}

$name  = $db->safesql(trim(htmlspecialchars($parse->process(convert_unicode($_POST['name'], $config['charset'])))));
$name = preg_replace('#\s+#i', ' ', $name);
$allow = check_name($name);

if (!$allow)$buffer = "<font color=\"green\">".$lang['reg_ok_ajax']."</font>";
else $buffer = "<font color=\"red\">".$allow."</font>";

@header("Content-type: text/html; charset=".$config['charset']);
echo $buffer;
?>