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Editor: Prevent infinite loops when filtering the font library folder.

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Changing the font library is something we expect hosts to perform.
It's important that we make this filter as seemless as possible.
This commit prevents a potential infinite loop caused by calling wp_get_upload_dir() within the font_dir filter.

Props mmaattiiaass, ironprogrammer, costdev, swissspidy.
Fixes #60652.
Built from https://develop.svn.wordpress.org/trunk@57740


git-svn-id: http://core.svn.wordpress.org/trunk@57241 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
youknowriad 2024-02-29 10:17:07 +00:00
parent 12d738c64c
commit f67cb7370e
3 changed files with 36 additions and 31 deletions
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27
wp-includes/fonts.php
View File

@ -96,16 +96,6 @@ function wp_unregister_font_collection( string $slug ) {
*
* @since 6.5.0
*
* @param array $defaults {
* Array of information about the upload directory.
*
* @type string $path Base directory and subdirectory or full path to the fonts upload directory.
* @type string $url Base URL and subdirectory or absolute URL to the fonts upload directory.
* @type string $subdir Subdirectory
* @type string $basedir Path without subdir.
* @type string $baseurl URL path without subdir.
* @type string|false $error False or error message.
* }
* @return array $defaults {
* Array of information about the upload directory.
*
@ -117,19 +107,20 @@ function wp_unregister_font_collection( string $slug ) {
* @type string|false $error False or error message.
* }
*/
function wp_get_font_dir( $defaults = array() ) {
function wp_get_font_dir() {
$site_path = '';
if ( is_multisite() && ! ( is_main_network() && is_main_site() ) ) {
$site_path = '/sites/' . get_current_blog_id();
}
// Sets the defaults.
$defaults['path'] = path_join( WP_CONTENT_DIR, 'fonts' ) . $site_path;
$defaults['url'] = untrailingslashit( content_url( 'fonts' ) ) . $site_path;
$defaults['subdir'] = '';
$defaults['basedir'] = path_join( WP_CONTENT_DIR, 'fonts' ) . $site_path;
$defaults['baseurl'] = untrailingslashit( content_url( 'fonts' ) ) . $site_path;
$defaults['error'] = false;
$defaults = array(
'path' => path_join( WP_CONTENT_DIR, 'fonts' ) . $site_path,
'url' => untrailingslashit( content_url( 'fonts' ) ) . $site_path,
'subdir' => '',
'basedir' => path_join( WP_CONTENT_DIR, 'fonts' ) . $site_path,
'baseurl' => untrailingslashit( content_url( 'fonts' ) ) . $site_path,
'error' => false,
);
/**
* Filters the fonts directory data.

38
wp-includes/rest-api/endpoints/class-wp-rest-font-faces-controller.php
View File

@ -856,7 +856,21 @@ class WP_REST_Font_Faces_Controller extends WP_REST_Posts_Controller {
*/
protected function handle_font_file_upload( $file ) {
add_filter( 'upload_mimes', array( 'WP_Font_Utils', 'get_allowed_font_mime_types' ) );
add_filter( 'upload_dir', 'wp_get_font_dir' );
/*
* Set the upload directory to the fonts directory.
*
* wp_get_font_dir() contains the 'font_dir' hook, whose callbacks are
* likely to call wp_get_upload_dir().
*
* To avoid an infinite loop, don't hook wp_get_font_dir() to 'upload_dir'.
* Instead, just pass its return value to the 'upload_dir' callback.
*/
$font_dir = wp_get_font_dir();
$set_upload_dir = function () use ( $font_dir ) {
return $font_dir;
};
add_filter( 'upload_dir', $set_upload_dir );
$overrides = array(
'upload_error_handler' => array( $this, 'handle_font_file_upload_error' ),
@ -874,7 +888,7 @@ class WP_REST_Font_Faces_Controller extends WP_REST_Posts_Controller {
$uploaded_file = wp_handle_upload( $file, $overrides );
remove_filter( 'upload_dir', 'wp_get_font_dir' );
remove_filter( 'upload_dir', $set_upload_dir );
remove_filter( 'upload_mimes', array( 'WP_Font_Utils', 'get_allowed_font_mime_types' ) );
return $uploaded_file;
@ -902,16 +916,16 @@ class WP_REST_Font_Faces_Controller extends WP_REST_Posts_Controller {
}
/**
* Returns relative path to an uploaded font file.
*
* The path is relative to the current fonts directory.
*
* @since 6.5.0
* @access private
*
* @param string $path Full path to the file.
* @return string Relative path on success, unchanged path on failure.
*/
* Returns relative path to an uploaded font file.
*
* The path is relative to the current fonts directory.
*
* @since 6.5.0
* @access private
*
* @param string $path Full path to the file.
* @return string Relative path on success, unchanged path on failure.
*/
protected function relative_fonts_path( $path ) {
$new_path = $path;

2
wp-includes/version.php
View File

@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.5-beta3-57739';
$wp_version = '6.5-beta3-57740';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.