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<?php

/**

 * @author PHPShop Software
 * @version 1.4
 * @package PHPShopClass
 * @subpackage Helper
 */
class PHPShopSecurity {

    /**

     * @return bool
     */
    static function true_param() {
        $Arg = func_get_args();
        foreach ($Arg as $val) {
            if (empty($val))
                return false;
        }
        return true;
    }

    /**


     * @return mixed
     */
    static function getExt($sFileName) {
        $sTmp = $sFileName;
        while ($sTmp != "") {
            $sTmp = strstr($sTmp, ".");
            if ($sTmp != "") {
                $sTmp = substr($sTmp, 1);
                $sExt = $sTmp;
            }
        }
        $pos = stristr($sFileName, ".php");
        if ($pos === false)
            return strtolower($sExt);
    }

    /**


     * @return string
     */
    static function CleanStr($str) {
        $str = str_replace("\/", "|", $str);
        //$str = str_replace("\"", "", $str);
        $str = str_replace("\\", "|", $str);
        return str_replace("'", "", $str);
    }

    /**


     * @return string
     */
    static function CleanOut($str) {
        $str = stripslashes($str);
        $str = preg_replace('([\r\n\t;])', '', $str);
        $str = @html_entity_decode($str, null, 'windows-1251');

        return $str;
    }

    /**


     * @return bool
     */
    static function true_email($email) {
        if (strlen($email) > 100)
            return FALSE;
        return preg_match("/^([a-z0-9_\.-]+@[a-z0-9_\.\-]+\.[a-z0-9_-]{2,8})$/i", trim($email));
    }

    /**


     * @return bool
     */
    static function true_login($login) {
        return preg_match("/^[@a-zA-Z0-9_\.-]{2,60}$/", trim($login));
    }

    /**


     * @return bool
     */
    static function true_skin($skin) {
        return preg_match("/^[a-zA-Z0-9\-_\.\/]{2,30}$/", trim($skin));
    }

    /**


     * @return bool
     */
    static function true_order($num) {
        return preg_match("/^[0-9-]{4,20}$/", $num);
    }

    /**


     * @return bool
     */
    static function true_num($num) {
        return preg_match("/^[0-9]{1,20}$/", $num);
    }
    
    /**


     * @return bool
     */
    static function true_tel($num) {
        return preg_match("/^[0-9-() +]{10,25}$/", $num);
    }
    

    /**


     * @return bool
     */
    static function true_passw($passw) {
        return preg_match("/^[a-zA-Z0-9_]{4,20}$/", trim($passw));
    }

    /**



     * @return mixed
     */
    static function TotalClean($str, $flag = 2) {

        switch ($flag) {
            case 1:
                if (!preg_match("/([0-9])/", $str))
                    $str = "0";
                return abs($str);
                break;

            case 2:
                return htmlspecialchars(stripslashes($str), ENT_QUOTES, 'windows-1251');
                break;

            case 3:
                if (!preg_match("/^([a-z0-9_\.-]+@[a-z0-9_\.\-]+\.[a-z0-9_-]{2,6})$/i", $str))
                    $str = "";
                return $str;
                break;

            case 4:
                if (preg_match("/[^(\w)|(\x7F-\xFF)|(\s)]/", $str))
                    $str = "";
                return htmlspecialchars(stripslashes($str), ENT_COMPAT, 'windows-1251');
                break;

            case 5:
                if (preg_match("/[^(0-9)|(\-)|(\.]/", $str))
                    $str = 0;
                return $str;
                break;
        }
    }

    /**

     * @param string $search

     * @return string
     */
    static function true_search($search, $option = false) {
        $count = strlen($search);
        $search = strtolower($search);
        $i = 0;
        while ($i < ($count / 7)) {
            $search = str_replace("'", "", $search);
            $search = str_replace("\\", "", $search);
            $search = str_replace("union", "", $search);
            $search = str_replace("select", "", $search);
            $search = str_replace("insert", "", $search);
            $search = str_replace("delete", "", $search);

            if (empty($option)) {
                $search = str_replace(")", "", $search);
                $search = str_replace("(", "", $search);
            }
            $i++;
        }

        if (!empty($search))
            return trim($search);
    }

}

?>