From 44e511516dd475fb1ddd4d39ad92be8eda70f090 Mon Sep 17 00:00:00 2001
From: wpmuguru <wpmuguru@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Tue, 2 Feb 2010 02:17:33 +0000
Subject: [PATCH] internalize uploaded media rewrite rule, see #11742

git-svn-id: http://svn.automattic.com/wordpress/trunk@12924 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-content/blogs.php | 12 ++++++++----
 wp-settings.php      | 13 ++++++++++++-
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/wp-content/blogs.php b/wp-content/blogs.php
index 4e16b9afe..d92920443 100755
--- a/wp-content/blogs.php
+++ b/wp-content/blogs.php
@@ -1,6 +1,8 @@
 <?php
-define( 'SHORTINIT', true ); // this prevents most of WP from being loaded
-require_once( dirname( dirname( __FILE__) ) . '/wp-load.php' ); // absolute includes are faster
+if ( !defined( 'MEDIA_FILE' ) ) {
+	define( 'SHORTINIT', true ); // this prevents most of WP from being loaded
+	require_once( dirname( dirname( __FILE__) ) . '/wp-load.php' ); // absolute includes are faster
+}
 
 if ( $current_blog->archived == '1' || $current_blog->spam == '1' || $current_blog->deleted == '1' ) {
 	status_header( 404 );
@@ -64,8 +66,10 @@ function wp_check_filetype($filename, $mimes = null) {
 }
 endif;
 
-
-$file = BLOGUPLOADDIR . str_replace( '..', '', $_GET[ 'file' ] );
+if ( defined( 'MEDIA_FILE' ) )
+	$file = BLOGUPLOADDIR . str_replace( '..', '', MEDIA_FILE );
+else
+	$file = BLOGUPLOADDIR . str_replace( '..', '', $_GET[ 'file' ] );
 if ( !is_file( $file ) ) {
 	status_header( 404 );
 	die('404 &#8212; File not found.');
diff --git a/wp-settings.php b/wp-settings.php
index 0a5db913e..ae1c199ef 100644
--- a/wp-settings.php
+++ b/wp-settings.php
@@ -82,6 +82,17 @@ require( ABSPATH . WPINC . '/plugin.php' );
 require( ABSPATH . WPINC . '/default-filters.php' );
 include_once( ABSPATH . WPINC . '/pomo/mo.php' );
 
+// internalize virtual content rewrite rule
+if ( is_multisite() && !defined( 'SHORTINIT' ) ) {
+	$media_base = $path . 'files/';
+	$base_len = strlen( $media_base );
+	if ( substr( $_SERVER[ 'REQUEST_URI' ], 0, $media_len ) == $media_base && $media_len < strlen( $_SERVER[ 'REQUEST_URI' ] ) ) {
+		define( 'MEDIA_FILE', substr( $_SERVER[ 'REQUEST_URI' ], $media_len ) );
+		require_once( WP_CONTENT_DIR . '/blogs.php' );
+		exit();
+	}
+	unset( $media_base, $media_len );
+}
 // Stop most of WordPress from being loaded if we just want the basics.
 if ( SHORTINIT )
 	return false;
@@ -272,4 +283,4 @@ $wp->init();
 // Everything is loaded and initialized.
 do_action( 'init' );
 
-?>
\ No newline at end of file
+?>