oxutilsserver.php

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<?php

class oxUtilsServer
{
    private static $_instance = null;

    public static function getInstance()
    {
        // disable caching for test modules
        if ( defined( 'OXID_PHP_UNIT' ) ) {
            static $inst = array();
            self::$_instance = $inst[oxClassCacheKey()];
        }

        if ( !self::$_instance instanceof oxUtilsServer ) {
            self::$_instance = oxNew( 'oxUtilsServer');
            if ( defined( 'OXID_PHP_UNIT' ) ) {
                $inst[oxClassCacheKey()] = self::$_instance;
            }
        }
        return self::$_instance;
    }

    public function setOxCookie( $sName, $sValue = "", $iExpire = 0, $sPath = '/' )
    {
        //TODO: since setcookie takes more than just 4 params..
        // would be nice to have it sending through https only, if in https mode
        // or allowing only http access to cookie [no JS access - reduces XSS attack possibility]
        // ref: http://lt.php.net/manual/en/function.setcookie.php

        if ( defined('OXID_PHP_UNIT')) {
            // do NOT set cookies in php unit.
            return;
        }
        if ( $sPath !== null ) {
            return setcookie( $sName, $sValue, $iExpire, $sPath );
        } else {
            return setcookie( $sName, $sValue, $iExpire );
        }
    }

    public function getOxCookie( $sName = null )
    {
        if ( $sName && isset( $_COOKIE[$sName] ) ) {
            return oxConfig::checkSpecialChars($_COOKIE[$sName]);
        } elseif ( $sName && !isset( $_COOKIE[$sName] ) ) {
            return null;
        } elseif ( !$sName && isset( $_COOKIE ) ) {
            return $_COOKIE;
        }
        return null;
    }

    public function getRemoteAddress()
    {
        if ( isset( $_SERVER["HTTP_X_FORWARDED_FOR"] ) ) {
            $sIP = $_SERVER["HTTP_X_FORWARDED_FOR"];
        } elseif ( isset( $_SERVER["HTTP_CLIENT_IP"] ) ) {
            $sIP = $_SERVER["HTTP_CLIENT_IP"];
        } else {
            $sIP = $_SERVER["REMOTE_ADDR"];
        }
        return $sIP;
    }

    public function getServerVar( $sServVar = null )
    {
        if ( isset( $_SERVER ) ) {
            if ( $sServVar && isset( $_SERVER[$sServVar] ) ) {
                return $_SERVER[$sServVar];
            } elseif (!$sServVar) {
                return $_SERVER;
            }
        }
        return null;
    }

}

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