<h3>Düzenle: ms-files.php</h3>
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        <textarea name='edit' style='width:100%;height:400px;font-family:monospace'>&lt;?php
/**
 * Multisite upload handler.
 *
 * @since 3.0.0
 *
 * @package WordPress
 * @subpackage Multisite
 */

define( &#039;MS_FILES_REQUEST&#039;, true );
define( &#039;SHORTINIT&#039;, true );

/** Load WordPress Bootstrap */
require_once dirname( __DIR__ ) . &#039;/wp-load.php&#039;;

if ( ! is_multisite() ) {
	die( &#039;Multisite support not enabled&#039; );
}

ms_file_constants();

if ( &#039;1&#039; === $current_blog-&gt;archived || &#039;1&#039; === $current_blog-&gt;spam || &#039;1&#039; === $current_blog-&gt;deleted ) {
	status_header( 404 );
	die( &#039;404 &amp;#8212; File not found.&#039; );
}

if ( ! defined( &#039;BLOGUPLOADDIR&#039; ) ) {
	status_header( 500 );
	die( &#039;500 &amp;#8212; Directory not configured.&#039; );
}

$file = rtrim( BLOGUPLOADDIR, &#039;/&#039; ) . &#039;/&#039; . str_replace( &#039;..&#039;, &#039;&#039;, $_GET[&#039;file&#039;] );
if ( ! is_file( $file ) ) {
	status_header( 404 );
	die( &#039;404 &amp;#8212; File not found.&#039; );
}

$mime = wp_check_filetype( $file );
if ( false === $mime[&#039;type&#039;] &amp;&amp; function_exists( &#039;mime_content_type&#039; ) ) {
	$mime[&#039;type&#039;] = mime_content_type( $file );
}

if ( $mime[&#039;type&#039;] ) {
	$mimetype = $mime[&#039;type&#039;];
} else {
	$mimetype = &#039;image/&#039; . substr( $file, strrpos( $file, &#039;.&#039; ) + 1 );
}

header( &#039;Content-Type: &#039; . $mimetype ); // Always send this.
if ( ! str_contains( $_SERVER[&#039;SERVER_SOFTWARE&#039;], &#039;Microsoft-IIS&#039; ) ) {
	header( &#039;Content-Length: &#039; . filesize( $file ) );
}

// Optional support for X-Sendfile and X-Accel-Redirect.
if ( WPMU_ACCEL_REDIRECT ) {
	header( &#039;X-Accel-Redirect: &#039; . str_replace( WP_CONTENT_DIR, &#039;&#039;, $file ) );
	exit;
} elseif ( WPMU_SENDFILE ) {
	header( &#039;X-Sendfile: &#039; . $file );
	exit;
}

$wp_last_modified = gmdate( &#039;D, d M Y H:i:s&#039;, filemtime( $file ) );
$wp_etag          = &#039;&quot;&#039; . md5( $wp_last_modified ) . &#039;&quot;&#039;;

header( &quot;Last-Modified: $wp_last_modified GMT&quot; );
header( &#039;ETag: &#039; . $wp_etag );
header( &#039;Expires: &#039; . gmdate( &#039;D, d M Y H:i:s&#039;, time() + 100000000 ) . &#039; GMT&#039; );

// Support for conditional GET - use stripslashes() to avoid formatting.php dependency.
if ( isset( $_SERVER[&#039;HTTP_IF_NONE_MATCH&#039;] ) ) {
	$client_etag = stripslashes( $_SERVER[&#039;HTTP_IF_NONE_MATCH&#039;] );
} else {
	$client_etag = &#039;&#039;;
}

if ( isset( $_SERVER[&#039;HTTP_IF_MODIFIED_SINCE&#039;] ) ) {
	$client_last_modified = trim( $_SERVER[&#039;HTTP_IF_MODIFIED_SINCE&#039;] );
} else {
	$client_last_modified = &#039;&#039;;
}

// 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.
$wp_modified_timestamp = strtotime( $wp_last_modified );

if ( ( $client_last_modified &amp;&amp; $client_etag )
	? ( ( $client_modified_timestamp &gt;= $wp_modified_timestamp ) &amp;&amp; ( $client_etag === $wp_etag ) )
	: ( ( $client_modified_timestamp &gt;= $wp_modified_timestamp ) || ( $client_etag === $wp_etag ) )
) {
	status_header( 304 );
	exit;
}

// If we made it this far, just serve the file.
readfile( $file );
flush();
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