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<?php
define( 'SHORTINIT', true ); // this prevents most of WP from being loaded
require_once( dirname( dirname( __FILE__) ) . '/wp-config.php' ); // absolute includes are faster
if ( $current_blog->archived == '1' || $current_blog->spam == '1' || $current_blog->deleted == '1' ) {
header('HTTP/1.1 404 Not Found');
die('404 — File not found.');
}
if ( !function_exists('wp_check_filetype') ) :
function wp_check_filetype($filename, $mimes = null) {
// Accepted MIME types are set here as PCRE unless provided.
$mimes = is_array($mimes) ? $mimes : array (
'jpg|jpeg|jpe' => 'image/jpeg',
'gif' => 'image/gif',
'png' => 'image/png',
'bmp' => 'image/bmp',
'tif|tiff' => 'image/tiff',
'ico' => 'image/x-icon',
'asf|asx|wax|wmv|wmx' => 'video/asf',
'avi' => 'video/avi',
'mov|qt' => 'video/quicktime',
'mpeg|mpg|mpe' => 'video/mpeg',
'txt|c|cc|h' => 'text/plain',
'rtx' => 'text/richtext',
'css' => 'text/css',
'htm|html' => 'text/html',
'mp3|mp4' => 'audio/mpeg',
'ra|ram' => 'audio/x-realaudio',
'wav' => 'audio/wav',
'ogg' => 'audio/ogg',
'mid|midi' => 'audio/midi',
'wma' => 'audio/wma',
'rtf' => 'application/rtf',
'js' => 'application/javascript',
'pdf' => 'application/pdf',
'doc' => 'application/msword',
'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
'wri' => 'application/vnd.ms-write',
'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
'mdb' => 'application/vnd.ms-access',
'mpp' => 'application/vnd.ms-project',
'swf' => 'application/x-shockwave-flash',
'class' => 'application/java',
'tar' => 'application/x-tar',
'zip' => 'application/zip',
'gz|gzip' => 'application/x-gzip',
'exe' => 'application/x-msdownload'
);
$type = false;
$ext = false;
foreach ( (array)$mimes as $ext_preg => $mime_match ) {
$ext_preg = '!\.(' . $ext_preg . ')$!i';
if ( preg_match($ext_preg, $filename, $ext_matches) ) {
$type = $mime_match;
$ext = $ext_matches[1];
break;
}
}
return compact('ext', 'type');
}
endif;
$file = constant( 'ABSPATH' ) . constant( 'UPLOADS' ) . str_replace( '..', '', $_GET[ 'file' ] );
if ( !is_file( $file ) ) {
header('HTTP/1.1 404 Not Found');
die('404 — File not found.');
}
if( function_exists( 'mime_content_type' ) ) {
$mime[ 'type' ] = mime_content_type( $file );
} else {
$mime = wp_check_filetype( $_SERVER[ 'REQUEST_URI' ] );
}
if( $mime[ 'type' ] != false ) {
$mimetype = $mime[ 'type' ];
} else {
$ext = substr( $_SERVER[ 'REQUEST_URI' ], strrpos( $_SERVER[ 'REQUEST_URI' ], '.' ) + 1 );
$mimetype = "image/$ext";
}
@header( 'Content-type: ' . $mimetype ); // always send this
@header( 'Content-Length: ' . filesize( $file ) );
$last_modified = gmdate('D, d M Y H:i:s', filemtime( $file ));
$etag = '"' . md5($last_modified) . '"';
@header( "Last-Modified: $last_modified GMT" );
@header( 'ETag: ' . $etag );
@header( 'Expires: ' . gmdate('D, d M Y H:i:s', time() + 100000000) . ' GMT' );
// Support for Conditional GET
if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
$client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
else
$client_etag = false;
$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
// If string is empty, return 0. If not, attempt to parse into a timestamp
$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
// Make a timestamp for our most recent modification...
$modified_timestamp = strtotime($last_modified);
if ( ($client_last_modified && $client_etag) ?
(($client_modified_timestamp >= $modified_timestamp) && ($client_etag == $etag)) :
(($client_modified_timestamp >= $modified_timestamp) || ($client_etag == $etag)) ) {
header('HTTP/1.1 304 Not Modified');
exit;
}
// If we made it this far, just serve the file
readfile( $file );
?>
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