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0735fa8ce0
Move Etag HTTP header generation in `load-scripts.php` and `load-styles.php` to `WP_Dependencies`. Introduces the method `WP_Dependencies::get_etag()` and associated unit tests. Follow up to [57943]. Props vrajadas, martinkrcho, mukesh27. Fixes #61485. Built from https://develop.svn.wordpress.org/trunk@58935 git-svn-id: http://core.svn.wordpress.org/trunk@58331 1a063a9b-81f0-0310-95a4-ce76da25c4cd
78 lines
2.0 KiB
PHP
78 lines
2.0 KiB
PHP
<?php
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/*
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* The error_reporting() function can be disabled in php.ini. On systems where that is the case,
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* it's best to add a dummy function to the wp-config.php file, but as this call to the function
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* is run prior to wp-config.php loading, it is wrapped in a function_exists() check.
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*/
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if ( function_exists( 'error_reporting' ) ) {
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/*
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* Disable error reporting.
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*
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* Set this to error_reporting( -1 ) for debugging.
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*/
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error_reporting( 0 );
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}
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// Set ABSPATH for execution.
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if ( ! defined( 'ABSPATH' ) ) {
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define( 'ABSPATH', dirname( __DIR__ ) . '/' );
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}
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define( 'WPINC', 'wp-includes' );
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$protocol = $_SERVER['SERVER_PROTOCOL'];
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if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0', 'HTTP/3' ), true ) ) {
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$protocol = 'HTTP/1.0';
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}
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$load = $_GET['load'];
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if ( is_array( $load ) ) {
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ksort( $load );
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$load = implode( '', $load );
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}
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$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
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$load = array_unique( explode( ',', $load ) );
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if ( empty( $load ) ) {
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header( "$protocol 400 Bad Request" );
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exit;
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}
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require ABSPATH . 'wp-admin/includes/noop.php';
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require ABSPATH . WPINC . '/script-loader.php';
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require ABSPATH . WPINC . '/version.php';
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$expires_offset = 31536000; // 1 year.
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$out = '';
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$wp_scripts = new WP_Scripts();
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wp_default_scripts( $wp_scripts );
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wp_default_packages_vendor( $wp_scripts );
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wp_default_packages_scripts( $wp_scripts );
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$etag = $wp_scripts->get_etag( $load );
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if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $etag ) {
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header( "$protocol 304 Not Modified" );
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exit;
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}
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foreach ( $load as $handle ) {
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if ( ! array_key_exists( $handle, $wp_scripts->registered ) ) {
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continue;
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}
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$path = ABSPATH . $wp_scripts->registered[ $handle ]->src;
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$out .= get_file( $path ) . "\n";
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}
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header( "Etag: $etag" );
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header( 'Content-Type: application/javascript; charset=UTF-8' );
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header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + $expires_offset ) . ' GMT' );
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header( "Cache-Control: public, max-age=$expires_offset" );
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echo $out;
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exit;
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