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<?php
$address = ‘http://www.discuz.net/’;//地址,必须有http://之类
$myip = ‘127.0.0.1′;

ob_start();
$mtime = explode(‘ ‘, microtime());
$starttime = $mtime[1] + $mtime[0];

$onoff = (function_exists(‘ini_get’)) ? ini_get(‘register_globals’) : get_cfg_var(‘register_globals’);

if($onoff != 1) {
        @extract($_POST, EXTR_SKIP);
        @extract($_GET, EXTR_SKIP);
}

$self = $_SERVER['PHP_SELF'];
$myaddress = ‘http://’.$_SERVER['HTTP_HOST'].$self;

$comm = ”;

if(isset($url) && $url) {
        $url = str_replace($address, ”, $url);
}
/*
foreach($_POST as $key => $val) {
        if($comm == ”) {
                $comm = $key.’=’.rawurlencode($val);
        } else {
                $comm = $comm.’&’.$key.’=’.rawurlencode($val);
        }
}
*/
$pcomm = ”;
foreach($_POST as $key => $val) {
        if($pcomm == ”) {
                $pcomm .= $key.”.urlencode($val);
        } else {
                $pcomm .= $pcomm.‘&’.$key.‘=’.urlencode($val);
        }
}

foreach($_GET as $key => $val) {
        if($key != ‘url’) {
                if($comm == ”) {
                        $comm = $key.‘=’.rawurlencode($val);
                } else {
                        $comm = $comm.‘&’.$key.‘=’.rawurlencode($val);
                }
        }
}

if(!$url) {
        $url = $address;
} else {
        $url = $address.$url;
        if($comm) {
                if(strstr($url,‘?’)) {
                        $url = $url.‘&’.$comm;
                } else {
                        $url = $url.‘?’.$comm;
                }
        }
}

if($url) {
        $cookies= ”;
        if(count($_COOKIE)) {
                foreach($_COOKIE as $cookie_name => $cookie_var) {
                        $cookies .= $cookies != ” ? ‘; ‘.$cookie_name.‘=’.$cookie_var : $cookie_name.‘=’.$cookie_var;
                }
        }

        $temp = @parse_url($url);
        $temp['port'] = isset($temp['port']) ? $temp['port'] : 80;
        $temp['path'] = isset($temp['path']) ? $temp['path'] : ‘/’;
        $temp['file'] = substr($temp['path'], strrpos($temp['path'], ‘/’)+1);
        $temp['dir'] = substr($temp['path'], 0, strrpos($temp['path'], ‘/’));
        $temp['base'] = $temp['scheme'].‘://’.$temp['host'].($temp['port'] != 80 ? ‘:’.$temp['port'] : ”).$temp['dir'];
        $temp['prev_dir'] = $temp['path'] != ‘/’ ? substr($temp['base'], 0, strrpos($temp['base'], ‘/’)+1) : $temp['base'].‘/’;
        $fp = @fsockopen($temp['host'], $temp['port'], $errno, $errstr, 30);
        if($fp) {
                if($_SERVER['REQUEST_METHOD'] != ‘POST’) {
                        @fputs($fp, “GET $temp[path]?$temp[query] HTTP/1.1\r\n”);
                } else {
                        @fputs($fp, “POST $temp[path]?$temp[query] HTTP/1.1\r\n”);
                }
                @fputs($fp, “Host: $temp[host]\r\n”);
                @fputs($fp, “Accept: */*\r\n”);
                @fputs($fp, “Referer: [url]http://$temp[/url][host]/\r\n”);
                @fputs($fp, “Cookie: $cookies\r\n”);
                @fputs($fp, “User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n”);
                @fputs($fp, “via: 1.1 JEJE1:80 (squid/2.5.STABLE4-NT-CVS)\r\n”);
                @fputs($fp, “X-Forwarded-For: $myip\r\n”);
                if($_SERVER['REQUEST_METHOD'] == ‘POST’) {
                        @fputs($fp, “Content-Type: application/x-www-form-urlencoded\r\n”);
                        @fputs($fp, “Content-Length: “.strlen($pcomm).“\r\n\r\n”);
                        @fputs($fp, $pcomm);
                }
                @fputs($fp, “Connection: Close\r\n\r\n”);

                while($str = @fread($fp, 4096)) {

                        if($str != “\r\n” && preg_match_all(“#set-cookie:([^\r\n]*)#i”, $str, $matches)) {
                                foreach($matches[1] as $cookie_info) {
                                        preg_match(‘#^\s*([^=;,\s]*)=?([^;,\s]*)#’, $cookie_info, $match) && list(, $name, $value) = $match;
                                        preg_match(‘#;\s*expires\s*=([^;]*)#i’, $cookie_info, $match) && list(, $expires) = $match;
                                        $expires = isset($expires) ? strtotime($expires) : false;
                                        $expires = (!is_numeric($expires) || time() > $expires) ? false : $expires;
                                        setcookie($name, $value, $expires);
                                }
                                $str = str_replace($matches[0], ”, $str);
                        }
                        
                        $Content .= $str;
                }
                @fclose($fp);
                if(strpos($Content, ‘Content-Type: text/html’)) {
                        $Content = substr($Content, strpos($Content, ‘Content-Type: text/html’)+33);
                } else {
                        $Content = substr($Content, strpos($Content, chr(0×0d).chr(0×0a).chr(0×0d).chr(0×0a))+4);
                }
                $Content = str_replace(‘ href=”‘,‘ href=”‘.$myaddress.‘?url=’,$Content);
                $Content = str_replace(‘ href=\”,‘ href=\”.$myaddress.‘?url=’,$Content);
                $Content = str_replace(‘ src=”‘,‘ src=”‘.$myaddress.‘?url=’,$Content);
                $Content = str_replace(‘ src=\”,‘ src=\”.$myaddress.‘?url=’,$Content);
                $Content = str_replace(‘ src=image’,‘ src=”‘.$myaddress.‘?url=image’,$Content);
                $Content = str_replace(‘ src=customavatars/’,‘ src=’.$myaddress.‘?url=customavatars/’,$Content);
                $Content = str_replace(‘ action=”‘,‘ action=”‘.$myaddress.‘?url=’,$Content);
                $Content = str_replace(‘ url(“‘,‘ url(“‘.$myaddress.‘?url=’,$Content);
                $Content = str_replace(‘ background=”‘,‘ background=”‘.$myaddress.‘?url=’,$Content);
                $Content = str_replace(‘ url(\”,‘ url(\”.$myaddress.‘?url=’,$Content);
                $Content = str_replace($myaddress.‘?url=javascript:’,‘javascript:’,$Content);
                $Content = str_replace(‘;url=’,‘;url=’.$myaddress.‘?url=’,$Content);
                echo $Content;
        }
}

?>