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load-styles.php (2457B)

      1 <?php
      2 
      3 /**
      4  * Disable error reporting
      5  *
      6  * Set this to error_reporting( -1 ) for debugging
      7  */
      8 error_reporting( 0 );
      9 
     10 /** Set ABSPATH for execution */
     11 if ( ! defined( 'ABSPATH' ) ) {
     12 	define( 'ABSPATH', dirname( __DIR__ ) . '/' );
     13 }
     14 
     15 define( 'WPINC', 'wp-includes' );
     16 define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
     17 
     18 require ABSPATH . 'wp-admin/includes/noop.php';
     19 require ABSPATH . WPINC . '/theme.php';
     20 require ABSPATH . WPINC . '/class-wp-theme-json-resolver.php';
     21 require ABSPATH . WPINC . '/script-loader.php';
     22 require ABSPATH . WPINC . '/version.php';
     23 
     24 $protocol = $_SERVER['SERVER_PROTOCOL'];
     25 if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ), true ) ) {
     26 	$protocol = 'HTTP/1.0';
     27 }
     28 
     29 $load = $_GET['load'];
     30 if ( is_array( $load ) ) {
     31 	ksort( $load );
     32 	$load = implode( '', $load );
     33 }
     34 
     35 $load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
     36 $load = array_unique( explode( ',', $load ) );
     37 
     38 if ( empty( $load ) ) {
     39 	header( "$protocol 400 Bad Request" );
     40 	exit;
     41 }
     42 
     43 $rtl            = ( isset( $_GET['dir'] ) && 'rtl' === $_GET['dir'] );
     44 $expires_offset = 31536000; // 1 year.
     45 $out            = '';
     46 
     47 $wp_styles = new WP_Styles();
     48 wp_default_styles( $wp_styles );
     49 
     50 if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
     51 	header( "$protocol 304 Not Modified" );
     52 	exit;
     53 }
     54 
     55 foreach ( $load as $handle ) {
     56 	if ( ! array_key_exists( $handle, $wp_styles->registered ) ) {
     57 		continue;
     58 	}
     59 
     60 	$style = $wp_styles->registered[ $handle ];
     61 
     62 	if ( empty( $style->src ) ) {
     63 		continue;
     64 	}
     65 
     66 	$path = ABSPATH . $style->src;
     67 
     68 	if ( $rtl && ! empty( $style->extra['rtl'] ) ) {
     69 		// All default styles have fully independent RTL files.
     70 		$path = str_replace( '.min.css', '-rtl.min.css', $path );
     71 	}
     72 
     73 	$content = get_file( $path ) . "\n";
     74 
     75 	if ( strpos( $style->src, '/' . WPINC . '/css/' ) === 0 ) {
     76 		$content = str_replace( '../images/', '../' . WPINC . '/images/', $content );
     77 		$content = str_replace( '../js/tinymce/', '../' . WPINC . '/js/tinymce/', $content );
     78 		$content = str_replace( '../fonts/', '../' . WPINC . '/fonts/', $content );
     79 		$out    .= $content;
     80 	} else {
     81 		$out .= str_replace( '../images/', 'images/', $content );
     82 	}
     83 }
     84 
     85 header( "Etag: $wp_version" );
     86 header( 'Content-Type: text/css; charset=UTF-8' );
     87 header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + $expires_offset ) . ' GMT' );
     88 header( "Cache-Control: public, max-age=$expires_offset" );
     89 
     90 echo $out;
     91 exit;