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Editing: class-wp-rest-pattern-directory-controllero.php
<?php /** * Block Pattern Directory REST API: WP_REST_Pattern_Directory_Controller class * * @package WordPress * @subpackage REST_API * @since 5.8.0 */ /** * Controller which provides REST endpoint for block patterns. * * This simply proxies the endpoint at http://api.wordpress.org/patterns/1.0/. That isn't necessary for * functionality, but is desired for privacy. It prevents api.wordpress.org from knowing the user's IP address. * * @since 5.8.0 * * @see WP_REST_Controller */ class WP_REST_Pattern_Directory_Controller extends WP_REST_Controller { /** * Constructs the controller. * * @since 5.8.0 */ public function __construct() { $this->namespace = 'wp/v2'; $this->rest_base = 'pattern-directory'; } /** * Registers the necessary REST API routes. * * @since 5.8.0 */ public function register_routes() { register_rest_route( $this->namespace, '/' . $this->rest_base . '/patterns', array( array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_items' ), 'permission_callback' => array( $this, 'get_items_permissions_check' ), 'args' => $this->get_collection_params(), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); } /** * Checks whether a given request has permission to view the local block pattern directory. * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has permission, WP_Error object otherwise. */ public function get_items_permissions_check( $request ) { if ( current_user_can( 'edit_posts' ) ) { return true; } foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) { if ( current_user_can( $post_type->cap->edit_posts ) ) { return true; } } return new WP_Error( 'rest_pattern_directory_cannot_view', __( 'Sorry, you are not allowed to browse the local block pattern directory.' ), array( 'status' => rest_authorization_required_code() ) ); } /** * Search and retrieve block patterns metadata * * @since 5.8.0 * @since 6.0.0 Added 'slug' to request. * @since 6.2.0 Added 'per_page', 'page', 'offset', 'order', and 'orderby' to request. * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function get_items( $request ) { /* * Include an unmodified `$wp_version`, so the API can craft a response that's tailored to * it. Some plugins modify the version in a misguided attempt to improve security by * obscuring the version, which can cause invalid requests. */ require ABSPATH . WPINC . '/version.php'; $valid_query_args = array( 'offset' => true, 'order' => true, 'orderby' => true, 'page' => true, 'per_page' => true, 'search' => true, 'slug' => true, ); $query_args = array_intersect_key( $request->get_params(), $valid_query_args ); $query_args['locale'] = get_user_locale(); $query_args['wp-version'] = $wp_version; // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UndefinedVariable -- it's defined in `version.php` above. $query_args['pattern-categories'] = isset( $request['category'] ) ? $request['category'] : false; $query_args['pattern-keywords'] = isset( $request['keyword'] ) ? $request['keyword'] : false; $query_args = array_filter( $query_args ); $transient_key = $this->get_transient_key( $query_args ); /* * Use network-wide transient to improve performance. The locale is the only site * configuration that affects the response, and it's included in the transient key. */ $raw_patterns = get_site_transient( $transient_key ); if ( ! $raw_patterns ) { $api_url = 'http://api.wordpress.org/patterns/1.0/?' . build_query( $query_args ); if ( wp_http_supports( array( 'ssl' ) ) ) { $api_url = set_url_scheme( $api_url, 'https' ); } /* * Default to a short TTL, to mitigate cache stampedes on high-traffic sites. * This assumes that most errors will be short-lived, e.g., packet loss that causes the * first request to fail, but a follow-up one will succeed. The value should be high * enough to avoid stampedes, but low enough to not interfere with users manually * re-trying a failed request. */ $cache_ttl = 5; $wporg_response = wp_remote_get( $api_url ); $raw_patterns = json_decode( wp_remote_retrieve_body( $wporg_response ) ); if ( is_wp_error( $wporg_response ) ) { $raw_patterns = $wporg_response; } elseif ( ! is_array( $raw_patterns ) ) { // HTTP request succeeded, but response data is invalid. $raw_patterns = new WP_Error( 'pattern_api_failed', sprintf( /* translators: %s: Support forums URL. */ __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), __( 'https://wordpress.org/support/forums/' ) ), array( 'response' => wp_remote_retrieve_body( $wporg_response ), ) ); } else { // Response has valid data. $cache_ttl = HOUR_IN_SECONDS; } set_site_transient( $transient_key, $raw_patterns, $cache_ttl ); } if ( is_wp_error( $raw_patterns ) ) { $raw_patterns->add_data( array( 'status' => 500 ) ); return $raw_patterns; } $response = array(); if ( $raw_patterns ) { foreach ( $raw_patterns as $pattern ) { $response[] = $this->prepare_response_for_collection( $this->prepare_item_for_response( $pattern, $request ) ); } } return new WP_REST_Response( $response ); } /** * Prepare a raw block pattern before it gets output in a REST API response. * * @since 5.8.0 * @since 5.9.0 Renamed `$raw_pattern` to `$item` to match parent class for PHP 8 named parameter support. * * @param object $item Raw pattern from api.wordpress.org, before any changes. * @param WP_REST_Request $request Request object. * @return WP_REST_Response */ public function prepare_item_for_response( $item, $request ) { // Restores the more descriptive, specific name for use within this method. $raw_pattern = $item; $prepared_pattern = array( 'id' => absint( $raw_pattern->id ), 'title' => sanitize_text_field( $raw_pattern->title->rendered ), 'content' => wp_kses_post( $raw_pattern->pattern_content ), 'categories' => array_map( 'sanitize_title', $raw_pattern->category_slugs ), 'keywords' => array_map( 'sanitize_text_field', explode( ',', $raw_pattern->meta->wpop_keywords ) ), 'description' => sanitize_text_field( $raw_pattern->meta->wpop_description ), 'viewport_width' => absint( $raw_pattern->meta->wpop_viewport_width ), 'block_types' => array_map( 'sanitize_text_field', $raw_pattern->meta->wpop_block_types ), ); $prepared_pattern = $this->add_additional_fields_to_object( $prepared_pattern, $request ); $response = new WP_REST_Response( $prepared_pattern ); /** * Filters the REST API response for a block pattern. * * @since 5.8.0 * * @param WP_REST_Response $response The response object. * @param object $raw_pattern The unprepared block pattern. * @param WP_REST_Request $request The request object. */ return apply_filters( 'rest_prepare_block_pattern', $response, $raw_pattern, $request ); } /** * Retrieves the block pattern's schema, conforming to JSON Schema. * * @since 5.8.0 * @since 6.2.0 Added `'block_types'` to schema. * * @return array Item schema data. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $this->schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => 'pattern-directory-item', 'type' => 'object', 'properties' => array( 'id' => array( 'description' => __( 'The pattern ID.' ), 'type' => 'integer', 'minimum' => 1, 'context' => array( 'view', 'edit', 'embed' ), ), 'title' => array( 'description' => __( 'The pattern title, in human readable format.' ), 'type' => 'string', 'minLength' => 1, 'context' => array( 'view', 'edit', 'embed' ), ), 'content' => array( 'description' => __( 'The pattern content.' ), 'type' => 'string', 'minLength' => 1, 'context' => array( 'view', 'edit', 'embed' ), ), 'categories' => array( 'description' => __( "The pattern's category slugs." ), 'type' => 'array', 'uniqueItems' => true, 'items' => array( 'type' => 'string' ), 'context' => array( 'view', 'edit', 'embed' ), ), 'keywords' => array( 'description' => __( "The pattern's keywords." ), 'type' => 'array', 'uniqueItems' => true, 'items' => array( 'type' => 'string' ), 'context' => array( 'view', 'edit', 'embed' ), ), 'description' => array( 'description' => __( 'A description of the pattern.' ), 'type' => 'string', 'minLength' => 1, 'context' => array( 'view', 'edit', 'embed' ), ), 'viewport_width' => array( 'description' => __( 'The preferred width of the viewport when previewing a pattern, in pixels.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), ), 'block_types' => array( 'description' => __( 'The block types which can use this pattern.' ), 'type' => 'array', 'uniqueItems' => true, 'items' => array( 'type' => 'string' ), 'context' => array( 'view', 'embed' ), ), ), ); return $this->add_additional_fields_schema( $this->schema ); } /** * Retrieves the search parameters for the block pattern's collection. * * @since 5.8.0 * @since 6.2.0 Added 'per_page', 'page', 'offset', 'order', and 'orderby' to request. * * @return array Collection parameters. */ public function get_collection_params() { $query_params = parent::get_collection_params(); $query_params['per_page']['default'] = 100; $query_params['search']['minLength'] = 1; $query_params['context']['default'] = 'view'; $query_params['category'] = array( 'description' => __( 'Limit results to those matching a category ID.' ), 'type' => 'integer', 'minimum' => 1, ); $query_params['keyword'] = array( 'description' => __( 'Limit results to those matching a keyword ID.' ), 'type' => 'integer', 'minimum' => 1, ); $query_params['slug'] = array( 'description' => __( 'Limit results to those matching a pattern (slug).' ), 'type' => 'array', ); $query_params['offset'] = array( 'description' => __( 'Offset the result set by a specific number of items.' ), 'type' => 'integer', ); $query_params['order'] = array( 'description' => __( 'Order sort attribute ascending or descending.' ), 'type' => 'string', 'default' => 'desc', 'enum' => array( 'asc', 'desc' ), ); $query_params['orderby'] = array( 'description' => __( 'Sort collection by post attribute.' ), 'type' => 'string', 'default' => 'date', 'enum' => array( 'author', 'date', 'id', 'include', 'modified', 'parent', 'relevance', 'slug', 'include_slugs', 'title', 'favorite_count', ), ); /** * Filter collection parameters for the block pattern directory controller. * * @since 5.8.0 * * @param array $query_params JSON Schema-formatted collection parameters. */ return apply_filters( 'rest_pattern_directory_collection_params', $query_params ); } /* * Include a hash of the query args, so that different requests are stored in * separate caches. * * MD5 is chosen for its speed, low-collision rate, universal availability, and to stay * under the character limit for `_site_transient_timeout_{...}` keys. * * @link https://stackoverflow.com/questions/3665247/fastest-hash-for-non-cryptographic-uses * * @since 6.0.0 * * @param array $query_args Query arguments to generate a transient key from. * @return string Transient key. */ protected function get_transient_key( $query_args ) { if ( isset( $query_args['slug'] ) ) { // This is an additional precaution because the "sort" function expects an array. $query_args['slug'] = wp_parse_list( $query_args['slug'] ); // Empty arrays should not affect the transient key. if ( empty( $query_args['slug'] ) ) { unset( $query_args['slug'] ); } else { // Sort the array so that the transient key doesn't depend on the order of slugs. sort( $query_args['slug'] ); } } return 'wp_remote_block_patterns_' . md5( serialize( $query_args ) ); } }
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