WordPress 4.5-scripts

[autoinstalls/wordpress.git] / wp-admin / load-styles.php

diff --git a/wp-admin/load-styles.php b/wp-admin/load-styles.php
index e9673e26b0e4738ba5ff80aea3b2e9926e8a02bd..a461ae268d6898c3c90a1234f91b1a3d0dd9f179 100644 (file)
--- a/wp-admin/load-styles.php
+++ b/wp-admin/load-styles.php
@@ -3,7 +3,7 @@
 /**
  * Disable error reporting
  *
- * Set this to error_reporting( E_ALL ) or error_reporting( E_ALL | E_STRICT ) for debugging
+ * Set this to error_reporting( -1 ) for debugging
  */
 error_reporting(0);
 
@@ -11,93 +11,16 @@ error_reporting(0);
 define( 'ABSPATH', dirname(dirname(__FILE__)) . '/' );
 define( 'WPINC', 'wp-includes' );
 
-/**
- * @ignore
- */
-function __() {}
-
-/**
- * @ignore
- */
-function _x() {}
-
-
-/**
- * @ignore
- */
-function add_filter() {}
-
-/**
- * @ignore
- */
-function esc_attr() {}
-
-/**
- * @ignore
- */
-function apply_filters() {}
+require( ABSPATH . 'wp-admin/includes/noop.php' );
+require( ABSPATH . WPINC . '/script-loader.php' );
+require( ABSPATH . WPINC . '/version.php' );
 
-/**
- * @ignore
- */
-function get_option() {}
-
-/**
- * @ignore
- */
-function is_lighttpd_before_150() {}
-
-/**
- * @ignore
- */
-function add_action() {}
-
-/**
- * @ignore
- */
-function do_action_ref_array() {}
-
-/**
- * @ignore
- */
-function get_bloginfo() {}
-
-/**
- * @ignore
- */
-function is_admin() {return true;}
-
-/**
- * @ignore
- */
-function site_url() {}
-
-/**
- * @ignore
- */
-function admin_url() {}
-
-/**
- * @ignore
- */
-function wp_guess_url() {}
-
-function get_file($path) {
-
-       if ( function_exists('realpath') )
-               $path = realpath($path);
-
-       if ( ! $path || ! @is_file($path) )
-               return '';
-
-       return @file_get_contents($path);
+$load = $_GET['load'];
+if ( is_array( $load ) ) {
+       $load = implode( '', $load );
 }
-
-require(ABSPATH . '/wp-includes/script-loader.php');
-require(ABSPATH . '/wp-includes/version.php');
-
-$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $_GET['load'] );
-$load = explode(',', $load);
+$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
+$load = array_unique( explode( ',', $load ) );
 
 if ( empty($load) )
        exit;
@@ -105,39 +28,61 @@ if ( empty($load) )
 $compress = ( isset($_GET['c']) && $_GET['c'] );
 $force_gzip = ( $compress && 'gzip' == $_GET['c'] );
 $rtl = ( isset($_GET['dir']) && 'rtl' == $_GET['dir'] );
-$expires_offset = 31536000;
+$expires_offset = 31536000; // 1 year
 $out = '';
 
 $wp_styles = new WP_Styles();
 wp_default_styles($wp_styles);
 
-foreach( $load as $handle ) {
+if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
+       $protocol = $_SERVER['SERVER_PROTOCOL'];
+       if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+               $protocol = 'HTTP/1.0';
+       }
+       header( "$protocol 304 Not Modified" );
+       exit();
+}
+
+foreach ( $load as $handle ) {
        if ( !array_key_exists($handle, $wp_styles->registered) )
                continue;
 
        $style = $wp_styles->registered[$handle];
-       $path = ABSPATH . $style->src;
 
-       $content = get_file($path) . "\n";
+       if ( empty( $style->src ) ) {
+               continue;
+       }
 
-       if ( $rtl && isset($style->extra['rtl']) && $style->extra['rtl'] ) {
-               $rtl_path = is_bool($style->extra['rtl']) ? str_replace( '.css', '-rtl.css', $path ) : ABSPATH . $style->extra['rtl'];
-               $content .= get_file($rtl_path) . "\n";
+       $path = ABSPATH . $style->src;
+
+       if ( $rtl && ! empty( $style->extra['rtl'] ) ) {
+               // All default styles have fully independent RTL files.
+               $path = str_replace( '.min.css', '-rtl.min.css', $path );
        }
 
-       $out .= str_replace( '../images/', 'images/', $content );
+       $content = get_file( $path ) . "\n";
+
+       if ( strpos( $style->src, '/' . WPINC . '/css/' ) === 0 ) {
+               $content = str_replace( '../images/', '../' . WPINC . '/images/', $content );
+               $content = str_replace( '../js/tinymce/', '../' . WPINC . '/js/tinymce/', $content );
+               $content = str_replace( '../fonts/', '../' . WPINC . '/fonts/', $content );
+               $out .= $content;
+       } else {
+               $out .= str_replace( '../images/', 'images/', $content );
+       }
 }
 
-header('Content-Type: text/css');
+header("Etag: $wp_version");
+header('Content-Type: text/css; charset=UTF-8');
 header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
 header("Cache-Control: public, max-age=$expires_offset");
 
 if ( $compress && ! ini_get('zlib.output_compression') && 'ob_gzhandler' != ini_get('output_handler') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) ) {
        header('Vary: Accept-Encoding'); // Handle proxies
-       if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
+       if ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
                header('Content-Encoding: deflate');
                $out = gzdeflate( $out, 3 );
-       } elseif ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') && function_exists('gzencode') ) {
+       } elseif ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('gzencode') ) {
                header('Content-Encoding: gzip');
                $out = gzencode( $out, 3 );
        }