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<?php |
| 2 |
/** |
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* PHP and WordPress configuration compatibility functions for the Gutenberg |
| 4 |
* editor plugin changes related to REST API. |
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* |
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* @package gutenberg |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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die( 'Silence is golden.' ); |
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} |
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|
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/** |
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* Registers the REST API routes needed by the Gutenberg editor. |
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* |
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* @since 2.8.0 |
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*/ |
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function gutenberg_register_rest_routes() { |
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$controller = new WP_REST_Block_Renderer_Controller(); |
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$controller->register_routes(); |
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|
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/** |
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* Filters the search handlers to use in the REST search controller. |
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* |
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* @since 3.3.0 |
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* |
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* @param array $search_handlers List of search handlers to use in the controller. Each search |
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* handler instance must extend the `WP_REST_Search_Handler` class. |
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* Default is only a handler for posts. |
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*/ |
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$search_handlers = apply_filters( 'wp_rest_search_handlers', array( new WP_REST_Post_Search_Handler() ) ); |
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|
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$controller = new WP_REST_Search_Controller( $search_handlers ); |
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$controller->register_routes(); |
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|
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foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) { |
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$class = ! empty( $post_type->rest_controller_class ) ? $post_type->rest_controller_class : 'WP_REST_Posts_Controller'; |
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|
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// Check if the class exists and is a subclass of WP_REST_Controller. |
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if ( ! is_subclass_of( $class, 'WP_REST_Controller' ) ) { |
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continue; |
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} |
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|
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// Initialize the Autosaves controller. |
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$autosaves_controller = new WP_REST_Autosaves_Controller( $post_type->name ); |
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$autosaves_controller->register_routes(); |
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} |
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} |
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add_action( 'rest_api_init', 'gutenberg_register_rest_routes' ); |
| 50 |
|
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/** |
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* Make sure oEmbed REST Requests apply the WP Embed security mechanism for WordPress embeds. |
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* |
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* @see https://core.trac.wordpress.org/ticket/32522 |
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* |
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* TODO: This is a temporary solution. Next step would be to edit the WP_oEmbed_Controller, |
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* once merged into Core. |
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* |
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* @since 2.3.0 |
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* |
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* @param WP_HTTP_Response|WP_Error $response The REST Request response. |
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* @param WP_REST_Server $handler ResponseHandler instance (usually WP_REST_Server). |
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* @param WP_REST_Request $request Request used to generate the response. |
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* @return WP_HTTP_Response|object|WP_Error The REST Request response. |
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*/ |
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function gutenberg_filter_oembed_result( $response, $handler, $request ) { |
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if ( 'GET' !== $request->get_method() ) { |
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return $response; |
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} |
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|
| 71 |
if ( is_wp_error( $response ) && 'oembed_invalid_url' !== $response->get_error_code() ) { |
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return $response; |
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} |
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|
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// External embeds. |
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if ( '/oembed/1.0/proxy' === $request->get_route() ) { |
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if ( is_wp_error( $response ) ) { |
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// It's possibly a local post, so lets try and retrieve it that way. |
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$post_id = url_to_postid( $_GET['url'] ); |
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$data = get_oembed_response_data( $post_id, apply_filters( 'oembed_default_width', 600 ) ); |
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|
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if ( $data ) { |
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// It's a local post! |
| 84 |
$response = (object) $data; |
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} else { |
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// Try using a classic embed, instead. |
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global $wp_embed; |
| 88 |
$html = $wp_embed->shortcode( array(), $_GET['url'] ); |
| 89 |
if ( $html ) { |
| 90 |
global $wp_scripts; |
| 91 |
// Check if any scripts were enqueued by the shortcode, and |
| 92 |
// include them in the response. |
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$enqueued_scripts = array(); |
| 94 |
foreach ( $wp_scripts->queue as $script ) { |
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$enqueued_scripts[] = $wp_scripts->registered[ $script ]->src; |
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} |
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return array( |
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'provider_name' => __( 'Embed Handler', 'gutenberg' ), |
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'html' => $html, |
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'scripts' => $enqueued_scripts, |
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); |
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} |
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} |
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} |
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|
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// Make sure the HTML is run through the oembed sanitisation routines. |
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$response->html = wp_oembed_get( $_GET['url'], $_GET ); |
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} |
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|
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return $response; |
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} |
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add_filter( 'rest_request_after_callbacks', 'gutenberg_filter_oembed_result', 10, 3 ); |
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|
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/** |
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* Add additional 'visibility' rest api field to taxonomies. |
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* |
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* Used so private taxonomies are not displayed in the UI. |
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* |
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* @see https://core.trac.wordpress.org/ticket/42707 |
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*/ |
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function gutenberg_add_taxonomy_visibility_field() { |
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register_rest_field( |
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'taxonomy', |
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'visibility', |
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array( |
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'get_callback' => 'gutenberg_get_taxonomy_visibility_data', |
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'schema' => array( |
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'description' => __( 'The visibility settings for the taxonomy.', 'gutenberg' ), |
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'type' => 'object', |
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'context' => array( 'edit' ), |
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'readonly' => true, |
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'properties' => array( |
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'public' => array( |
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'description' => __( 'Whether a taxonomy is intended for use publicly either via the admin interface or by front-end users.', 'gutenberg' ), |
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'type' => 'boolean', |
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), |
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'publicly_queryable' => array( |
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'description' => __( 'Whether the taxonomy is publicly queryable.', 'gutenberg' ), |
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'type' => 'boolean', |
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), |
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'show_ui' => array( |
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'description' => __( 'Whether to generate a default UI for managing this taxonomy.', 'gutenberg' ), |
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'type' => 'boolean', |
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), |
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'show_admin_column' => array( |
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'description' => __( 'Whether to allow automatic creation of taxonomy columns on associated post-types table.', 'gutenberg' ), |
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'type' => 'boolean', |
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), |
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'show_in_nav_menus' => array( |
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'description' => __( 'Whether to make the taxonomy available for selection in navigation menus.', 'gutenberg' ), |
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'type' => 'boolean', |
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), |
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'show_in_quick_edit' => array( |
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'description' => __( 'Whether to show the taxonomy in the quick/bulk edit panel.', 'gutenberg' ), |
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'type' => 'boolean', |
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), |
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), |
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), |
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) |
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); |
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} |
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|
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/** |
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* Gets taxonomy visibility property data. |
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* |
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* @see https://core.trac.wordpress.org/ticket/42707 |
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* |
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* @param array $object Taxonomy data from REST API. |
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* @return array Array of taxonomy visibility data. |
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*/ |
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function gutenberg_get_taxonomy_visibility_data( $object ) { |
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// Just return existing data for up-to-date Core. |
| 173 |
if ( isset( $object['visibility'] ) ) { |
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return $object['visibility']; |
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} |
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|
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$taxonomy = get_taxonomy( $object['slug'] ); |
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|
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return array( |
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'public' => $taxonomy->public, |
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'publicly_queryable' => $taxonomy->publicly_queryable, |
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'show_ui' => $taxonomy->show_ui, |
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'show_admin_column' => $taxonomy->show_admin_column, |
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'show_in_nav_menus' => $taxonomy->show_in_nav_menus, |
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'show_in_quick_edit' => $taxonomy->show_ui, |
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); |
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} |
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|
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add_action( 'rest_api_init', 'gutenberg_add_taxonomy_visibility_field' ); |
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|
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/** |
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* Add a permalink template to posts in the post REST API response. |
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* |
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* @see https://core.trac.wordpress.org/ticket/45017 |
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* |
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* @param WP_REST_Response $response WP REST API response of a post. |
| 197 |
* @param WP_Post $post The post being returned. |
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* @param WP_REST_Request $request WP REST API request. |
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* @return WP_REST_Response Response containing the permalink_template. |
| 200 |
*/ |
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function gutenberg_add_permalink_template_to_posts( $response, $post, $request ) { |
| 202 |
if ( 'edit' !== $request['context'] ) { |
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return $response; |
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} |
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|
| 206 |
if ( ! function_exists( 'get_sample_permalink' ) ) { |
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require_once ABSPATH . '/wp-admin/includes/post.php'; |
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} |
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|
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$sample_permalink = get_sample_permalink( $post->ID, $post->post_title, '' ); |
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|
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$response->data['permalink_template'] = $sample_permalink[0]; |
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$response->data['generated_slug'] = $sample_permalink[1]; |
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|
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return $response; |
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} |
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|
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/** |
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* Add the block format version to post content in the post REST API response. |
| 220 |
* |
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* @todo This will need to be registered to the schema too. |
| 222 |
* |
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* @see https://core.trac.wordpress.org/ticket/43887 |
| 224 |
* |
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* @param WP_REST_Response $response WP REST API response of a post. |
| 226 |
* @param WP_Post $post The post being returned. |
| 227 |
* @param WP_REST_Request $request WP REST API request. |
| 228 |
* @return WP_REST_Response Response containing the block_format. |
| 229 |
*/ |
| 230 |
function gutenberg_add_block_format_to_post_content( $response, $post, $request ) { |
| 231 |
if ( 'edit' !== $request['context'] ) { |
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return $response; |
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} |
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|
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$response_data = $response->get_data(); |
| 236 |
if ( isset( $response_data['content'] ) && is_array( $response_data['content'] ) && isset( $response_data['content']['raw'] ) ) { |
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$response_data['content']['block_format'] = gutenberg_content_block_version( $response_data['content']['raw'] ); |
| 238 |
$response->set_data( $response_data ); |
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} |
| 240 |
|
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return $response; |
| 242 |
} |
| 243 |
|
| 244 |
/** |
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* Include target schema attributes to links, based on whether the user can. |
| 246 |
* |
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* @see https://core.trac.wordpress.org/ticket/45014 |
| 248 |
* |
| 249 |
* @param WP_REST_Response $response WP REST API response of a post. |
| 250 |
* @param WP_Post $post The post being returned. |
| 251 |
* @param WP_REST_Request $request WP REST API request. |
| 252 |
* @return WP_REST_Response Response containing the new links. |
| 253 |
*/ |
| 254 |
function gutenberg_add_target_schema_to_links( $response, $post, $request ) { |
| 255 |
$new_links = array(); |
| 256 |
$orig_links = $response->get_links(); |
| 257 |
$post_type = get_post_type_object( $post->post_type ); |
| 258 |
$orig_href = ! empty( $orig_links['self'][0]['href'] ) ? $orig_links['self'][0]['href'] : null; |
| 259 |
if ( 'edit' === $request['context'] && current_user_can( 'unfiltered_html' ) ) { |
| 260 |
$new_links['https://api.w.org/action-unfiltered-html'] = array( |
| 261 |
array( |
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'title' => __( 'The current user can post HTML markup and JavaScript.', 'gutenberg' ), |
| 263 |
'href' => $orig_href, |
| 264 |
'targetSchema' => array( |
| 265 |
'type' => 'object', |
| 266 |
'properties' => array( |
| 267 |
'unfiltered_html' => array( |
| 268 |
'type' => 'boolean', |
| 269 |
), |
| 270 |
), |
| 271 |
), |
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), |
| 273 |
); |
| 274 |
} |
| 275 |
|
| 276 |
$response->add_links( $new_links ); |
| 277 |
return $response; |
| 278 |
} |
| 279 |
|
| 280 |
/** |
| 281 |
* Whenever a post type is registered, ensure we're hooked into it's WP REST API response. |
| 282 |
* |
| 283 |
* @param string $post_type The newly registered post type. |
| 284 |
* @return string That same post type. |
| 285 |
*/ |
| 286 |
function gutenberg_register_post_prepare_functions( $post_type ) { |
| 287 |
add_filter( "rest_prepare_{$post_type}", 'gutenberg_add_permalink_template_to_posts', 10, 3 ); |
| 288 |
add_filter( "rest_prepare_{$post_type}", 'gutenberg_add_block_format_to_post_content', 10, 3 ); |
| 289 |
add_filter( "rest_prepare_{$post_type}", 'gutenberg_add_target_schema_to_links', 10, 3 ); |
| 290 |
add_filter( "rest_{$post_type}_collection_params", 'gutenberg_filter_post_collection_parameters', 10, 2 ); |
| 291 |
add_filter( "rest_{$post_type}_query", 'gutenberg_filter_post_query_arguments', 10, 2 ); |
| 292 |
return $post_type; |
| 293 |
} |
| 294 |
add_filter( 'registered_post_type', 'gutenberg_register_post_prepare_functions' ); |
| 295 |
|
| 296 |
/** |
| 297 |
* Whenever a taxonomy is registered, ensure we're hooked into its WP REST API response. |
| 298 |
* |
| 299 |
* @param string $taxonomy The newly registered taxonomy. |
| 300 |
*/ |
| 301 |
function gutenberg_register_taxonomy_prepare_functions( $taxonomy ) { |
| 302 |
add_filter( "rest_{$taxonomy}_collection_params", 'gutenberg_filter_term_collection_parameters', 10, 2 ); |
| 303 |
add_filter( "rest_{$taxonomy}_query", 'gutenberg_filter_term_query_arguments', 10, 2 ); |
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} |
| 305 |
add_filter( 'registered_taxonomy', 'gutenberg_register_taxonomy_prepare_functions' ); |
| 306 |
|
| 307 |
/** |
| 308 |
* Ensure that the wp-json index contains the 'theme-supports' setting as |
| 309 |
* part of its site info elements. |
| 310 |
* |
| 311 |
* @see https://core.trac.wordpress.org/ticket/45016 |
| 312 |
* |
| 313 |
* @param WP_REST_Response $response WP REST API response of the wp-json index. |
| 314 |
* @return WP_REST_Response Response that contains theme-supports. |
| 315 |
*/ |
| 316 |
function gutenberg_ensure_wp_json_has_theme_supports( $response ) { |
| 317 |
$site_info = $response->get_data(); |
| 318 |
if ( ! array_key_exists( 'theme_supports', $site_info ) ) { |
| 319 |
$site_info['theme_supports'] = array(); |
| 320 |
} |
| 321 |
if ( ! array_key_exists( 'formats', $site_info['theme_supports'] ) ) { |
| 322 |
$formats = get_theme_support( 'post-formats' ); |
| 323 |
$formats = is_array( $formats ) ? array_values( $formats[0] ) : array(); |
| 324 |
$formats = array_merge( array( 'standard' ), $formats ); |
| 325 |
|
| 326 |
$site_info['theme_supports']['formats'] = $formats; |
| 327 |
} |
| 328 |
if ( ! array_key_exists( 'post-thumbnails', $site_info['theme_supports'] ) ) { |
| 329 |
$post_thumbnails = get_theme_support( 'post-thumbnails' ); |
| 330 |
if ( $post_thumbnails ) { |
| 331 |
// $post_thumbnails can contain a nested array of post types. |
| 332 |
// e.g. array( array( 'post', 'page' ) ). |
| 333 |
$site_info['theme_supports']['post-thumbnails'] = is_array( $post_thumbnails ) ? $post_thumbnails[0] : true; |
| 334 |
} |
| 335 |
} |
| 336 |
$response->set_data( $site_info ); |
| 337 |
return $response; |
| 338 |
} |
| 339 |
add_filter( 'rest_index', 'gutenberg_ensure_wp_json_has_theme_supports' ); |
| 340 |
|
| 341 |
/** |
| 342 |
* Handle any necessary checks early. |
| 343 |
* |
| 344 |
* @param WP_HTTP_Response $response Result to send to the client. Usually a WP_REST_Response. |
| 345 |
* @param WP_REST_Server $handler ResponseHandler instance (usually WP_REST_Server). |
| 346 |
* @param WP_REST_Request $request Request used to generate the response. |
| 347 |
*/ |
| 348 |
function gutenberg_handle_early_callback_checks( $response, $handler, $request ) { |
| 349 |
if ( 0 === strpos( $request->get_route(), '/wp/v2/' ) ) { |
| 350 |
$can_unbounded_query = false; |
| 351 |
$types = get_post_types( array( 'show_in_rest' => true ), 'objects' ); |
| 352 |
foreach ( $types as $type ) { |
| 353 |
if ( current_user_can( $type->cap->edit_posts ) ) { |
| 354 |
$can_unbounded_query = true; |
| 355 |
} |
| 356 |
} |
| 357 |
if ( $request['per_page'] < 0 ) { |
| 358 |
if ( ! $can_unbounded_query ) { |
| 359 |
return new WP_Error( 'rest_forbidden_per_page', __( 'Sorry, you are not allowed make unbounded queries.', 'gutenberg' ), array( 'status' => rest_authorization_required_code() ) ); |
| 360 |
} |
| 361 |
} |
| 362 |
} |
| 363 |
return $response; |
| 364 |
} |
| 365 |
add_filter( 'rest_request_before_callbacks', 'gutenberg_handle_early_callback_checks', 10, 3 ); |
| 366 |
|
| 367 |
/** |
| 368 |
* Include additional query parameters on the posts query endpoint. |
| 369 |
* |
| 370 |
* @see https://core.trac.wordpress.org/ticket/43998 |
| 371 |
* |
| 372 |
* @param array $query_params JSON Schema-formatted collection parameters. |
| 373 |
* @param WP_Post_Type $post_type Post type object being accessed. |
| 374 |
* @return array |
| 375 |
*/ |
| 376 |
function gutenberg_filter_post_collection_parameters( $query_params, $post_type ) { |
| 377 |
if ( |
| 378 |
isset( $query_params['per_page'] ) && |
| 379 |
( $post_type->hierarchical || 'wp_block' === $post_type->name ) |
| 380 |
) { |
| 381 |
// Change from '1' to '-1', which means unlimited. |
| 382 |
$query_params['per_page']['minimum'] = -1; |
| 383 |
// Default sanitize callback is 'absint', which won't work in our case. |
| 384 |
$query_params['per_page']['sanitize_callback'] = 'rest_sanitize_request_arg'; |
| 385 |
} |
| 386 |
return $query_params; |
| 387 |
} |
| 388 |
|
| 389 |
/** |
| 390 |
* Filter post collection query parameters to include specific behavior. |
| 391 |
* |
| 392 |
* @see https://core.trac.wordpress.org/ticket/43998 |
| 393 |
* |
| 394 |
* @param array $prepared_args Array of arguments for WP_Query. |
| 395 |
* @param WP_REST_Request $request The current request. |
| 396 |
* @return array |
| 397 |
*/ |
| 398 |
function gutenberg_filter_post_query_arguments( $prepared_args, $request ) { |
| 399 |
if ( |
| 400 |
is_post_type_hierarchical( $prepared_args['post_type'] ) || |
| 401 |
'wp_block' === $prepared_args['post_type'] |
| 402 |
) { |
| 403 |
// Avoid triggering 'rest_post_invalid_page_number' error |
| 404 |
// which will need to be addressed in https://core.trac.wordpress.org/ticket/43998. |
| 405 |
if ( -1 === $prepared_args['posts_per_page'] ) { |
| 406 |
$prepared_args['posts_per_page'] = 100000; |
| 407 |
} |
| 408 |
} |
| 409 |
return $prepared_args; |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Include additional query parameters on the terms query endpoint. |
| 414 |
* |
| 415 |
* @see https://core.trac.wordpress.org/ticket/43998 |
| 416 |
* |
| 417 |
* @param array $query_params JSON Schema-formatted collection parameters. |
| 418 |
* @param object $taxonomy Taxonomy being accessed. |
| 419 |
* @return array |
| 420 |
*/ |
| 421 |
function gutenberg_filter_term_collection_parameters( $query_params, $taxonomy ) { |
| 422 |
if ( $taxonomy->show_in_rest |
| 423 |
&& ( false === $taxonomy->rest_controller_class |
| 424 |
|| 'WP_REST_Terms_Controller' === $taxonomy->rest_controller_class ) |
| 425 |
&& isset( $query_params['per_page'] ) ) { |
| 426 |
// Change from '1' to '-1', which means unlimited. |
| 427 |
$query_params['per_page']['minimum'] = -1; |
| 428 |
// Default sanitize callback is 'absint', which won't work in our case. |
| 429 |
$query_params['per_page']['sanitize_callback'] = 'rest_sanitize_request_arg'; |
| 430 |
} |
| 431 |
return $query_params; |
| 432 |
} |
| 433 |
|
| 434 |
/** |
| 435 |
* Filter term collection query parameters to include specific behavior. |
| 436 |
* |
| 437 |
* @see https://core.trac.wordpress.org/ticket/43998 |
| 438 |
* |
| 439 |
* @param array $prepared_args Array of arguments for WP_Term_Query. |
| 440 |
* @param WP_REST_Request $request The current request. |
| 441 |
* @return array |
| 442 |
*/ |
| 443 |
function gutenberg_filter_term_query_arguments( $prepared_args, $request ) { |
| 444 |
// Can't check the actual taxonomy here because it's not |
| 445 |
// passed through in $prepared_args (or the filter generally). |
| 446 |
if ( 0 === strpos( $request->get_route(), '/wp/v2/' ) ) { |
| 447 |
if ( -1 === $prepared_args['number'] ) { |
| 448 |
// This should be unset( $prepared_args['number'] ) |
| 449 |
// but WP_REST_Terms Controller needs to be updated to support |
| 450 |
// unbounded queries. |
| 451 |
// Will be addressed in https://core.trac.wordpress.org/ticket/43998. |
| 452 |
$prepared_args['number'] = 100000; |
| 453 |
} |
| 454 |
} |
| 455 |
return $prepared_args; |
| 456 |
} |
| 457 |
|
| 458 |
/** |
| 459 |
* Include additional query parameters on the user query endpoint. |
| 460 |
* |
| 461 |
* @see https://core.trac.wordpress.org/ticket/43998 |
| 462 |
* |
| 463 |
* @param array $query_params JSON Schema-formatted collection parameters. |
| 464 |
* @return array |
| 465 |
*/ |
| 466 |
function gutenberg_filter_user_collection_parameters( $query_params ) { |
| 467 |
if ( isset( $query_params['per_page'] ) ) { |
| 468 |
// Change from '1' to '-1', which means unlimited. |
| 469 |
$query_params['per_page']['minimum'] = -1; |
| 470 |
// Default sanitize callback is 'absint', which won't work in our case. |
| 471 |
$query_params['per_page']['sanitize_callback'] = 'rest_sanitize_request_arg'; |
| 472 |
} |
| 473 |
return $query_params; |
| 474 |
} |
| 475 |
add_filter( 'rest_user_collection_params', 'gutenberg_filter_user_collection_parameters' ); |
| 476 |
|
