알짜게시판

1. cdn.kilho.net 에 index.php 로 아래 코드를 저장 (.htaccess 로 존재하지 않는 파일은 index.php 로 연결)
2. cdn.kilho.net/{파일} 로 접속시 kilho.net/{파일} 을 다운 및 캐시로 사용합니다.

[code]
<?php
// 설정
$cfg[&#039;url&#039;] = &#039;kilho.net&#039;;
$cfg[&#039;cache&#039;] = &#039;../data/cache/&#039;;

// 메인
$url = &#039;http://&#039;.$cfg[&#039;url&#039;].$_SERVER[&#039;REQUEST_URI&#039;];
$url_arr = parse_url($url);

if($_SERVER[&#039;REQUEST_METHOD&#039;]!=&#039;GET&#039;)
{
header(&#039;HTTP/1.0 404 File Not Found.&#039;);
exit;
}

$cfg[&#039;cache&#039;] .= sha1($url_arr[&#039;host&#039;].$url_arr[&#039;path&#039;]);

$dirname = dirname($cfg[&#039;cache&#039;]);
if(!is_file($cfg[&#039;cache&#039;]))
{
if(!is_dir($dirname)) mkdir($dirname, 0707, true);

$ch = curl_init();
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.1) Gecko/20061204 Firefox/2.0.0.1");
curl_setopt($ch, CURLOPT_HTTPHEADER, array(&#039;Accpet: */*&#039;));
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FRESH_CONNECT, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_REFERER, $_SERVER[&#039;REQUEST_SCHEME&#039;].&#039;://&#039;.$cfg[&#039;url&#039;]);
$data = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);

$fp = fopen($cfg[&#039;cache&#039;], &#039;w&#039;);
fwrite($fp, $info[&#039;content_type&#039;]."\n".$data);
fclose($fp);

if($info[&#039;http_code&#039;]!=200)
touch($cfg[&#039;cache&#039;], $info[&#039;http_code&#039;]);
}

$filetime = filemtime($cfg[&#039;cache&#039;]);

if($filetime<1000)
{
header(&#039;HTTP/1.0 &#039;.$filetime);
} else {
$lastmodified = filemtime($cfg[&#039;cache&#039;]);
$etag = md5_file($cfg[&#039;cache&#039;]);

header(&#039;Expires: &#039;.gmdate(&#039;D, d M Y H:i:s&#039;, time()+77760000).&#039; GMT&#039;);
header(&#039;Cache-Control: public, max-age=77760000&#039;);
header(&#039;Etag: &#039;.$etag);
header(&#039;Last-Modified: &#039;.gmdate(&#039;D, d M Y H:i:s&#039;, $lastmodified).&#039; GMT&#039;);
header(&#039;Access-Control-Allow-Origin: *&#039;); 
}

$fp = fopen($cfg[&#039;cache&#039;], &#039;rb&#039;);
$filetype = fgets($fp, 255);
header(&#039;Content-Type: &#039;.$filetype);
while(!feof($fp)) echo fread($fp, 1024);
fclose ($fp);
?>
[/code]