namespace = 'wp/v2'; $this->rest_base = 'themes'; } /** * Registers the routes for the objects of the controller. * * @since 5.0.0 * * @see register_rest_route() */ public function register_routes() { register_rest_route( $this->namespace, '/' . $this->rest_base, 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_item_schema' ), ) ); } /** * Checks if a given request has access to read the theme. * * @since 5.0.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access for the item, otherwise WP_Error object. */ 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_user_cannot_view', __( 'Sorry, you are not allowed to view themes.' ), array( 'status' => rest_authorization_required_code() ) ); } /** * Retrieves a collection of themes. * * @since 5.0.0 * * @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 ) { // Retrieve the list of registered collection query parameters. $registered = $this->get_collection_params(); $themes = array(); if ( isset( $registered['status'], $request['status'] ) && in_array( 'active', $request['status'], true ) ) { $active_theme = wp_get_theme(); $active_theme = $this->prepare_item_for_response( $active_theme, $request ); $themes[] = $this->prepare_response_for_collection( $active_theme ); } $response = rest_ensure_response( $themes ); $response->header( 'X-WP-Total', count( $themes ) ); $response->header( 'X-WP-TotalPages', count( $themes ) ); return $response; } /** * Prepares a single theme output for response. * * @since 5.0.0 * * @param WP_Theme $theme Theme object. * @param WP_REST_Request $request Request object. * @return WP_REST_Response Response object. */ public function prepare_item_for_response( $theme, $request ) { $data = array(); $fields = $this->get_fields_for_response( $request ); if ( in_array( 'theme_supports', $fields, true ) ) { $item_schemas = $this->get_item_schema(); $theme_supports = $item_schemas['properties']['theme_supports']['properties']; foreach ( $theme_supports as $name => $schema ) { if ( 'formats' === $name ) { continue; } if ( ! current_theme_supports( $name ) ) { $data['theme_supports'][ $name ] = false; continue; } if ( 'boolean' === $schema['type'] ) { $data['theme_supports'][ $name ] = true; continue; } $support = get_theme_support( $name ); if ( is_array( $support ) ) { // None of the Core theme supports have variadic args. $support = $support[0]; // Core multi-type theme-support schema definitions always list boolean first. if ( is_array( $schema['type'] ) && 'boolean' === $schema['type'][0] ) { // Pass the non-boolean type through to the sanitizer, which cannot itself // determine the intended type if the value is invalid (for example if an // object includes non-safelisted properties). $schema['type'] = $schema['type'][1]; } } $data['theme_supports'][ $name ] = rest_sanitize_value_from_schema( $support, $schema ); } $formats = get_theme_support( 'post-formats' ); $formats = is_array( $formats ) ? array_values( $formats[0] ) : array(); $formats = array_merge( array( 'standard' ), $formats ); $data['theme_supports']['formats'] = $formats; } $data = $this->add_additional_fields_to_object( $data, $request ); // Wrap the data in a response object. $response = rest_ensure_response( $data ); /** * Filters theme data returned from the REST API. * * @since 5.0.0 * * @param WP_REST_Response $response The response object. * @param WP_Theme $theme Theme object used to create response. * @param WP_REST_Request $request Request object. */ return apply_filters( 'rest_prepare_theme', $response, $theme, $request ); } /** * Retrieves the theme's schema, conforming to JSON Schema. * * @since 5.0.0 * * @return array Item schema data. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => 'theme', 'type' => 'object', 'properties' => array( 'theme_supports' => array( 'description' => __( 'Features supported by this theme.' ), 'type' => 'object', 'readonly' => true, 'properties' => array( 'align-wide' => array( 'description' => __( 'Whether theme opts in to wide alignment CSS class.' ), 'type' => 'boolean', ), 'automatic-feed-links' => array( 'description' => __( 'Whether posts and comments RSS feed links are added to head.' ), 'type' => 'boolean', ), 'custom-header' => array( 'description' => __( 'Custom header if defined by the theme.' ), 'type' => array( 'boolean', 'object' ), 'properties' => array( 'default-image' => array( 'type' => 'string', 'format' => 'uri', ), 'random-default' => array( 'type' => 'boolean', ), 'width' => array( 'type' => 'integer', ), 'height' => array( 'type' => 'integer', ), 'flex-height' => array( 'type' => 'boolean', ), 'flex-width' => array( 'type' => 'boolean', ), 'default-text-color' => array( 'type' => 'string', ), 'header-text' => array( 'type' => 'boolean', ), 'uploads' => array( 'type' => 'boolean', ), 'video' => array( 'type' => 'boolean', ), ), 'additionalProperties' => false, ), 'custom-background' => array( 'description' => __( 'Custom background if defined by the theme.' ), 'type' => array( 'boolean', 'object' ), 'properties' => array( 'default-image' => array( 'type' => 'string', 'format' => 'uri', ), 'default-preset' => array( 'type' => 'string', 'enum' => array( 'default', 'fill', 'fit', 'repeat', 'custom', ), ), 'default-position-x' => array( 'type' => 'string', 'enum' => array( 'left', 'center', 'right', ), ), 'default-position-y' => array( 'type' => 'string', 'enum' => array( 'left', 'center', 'right', ), ), 'default-size' => array( 'type' => 'string', 'enum' => array( 'auto', 'contain', 'cover', ), ), 'default-repeat' => array( 'type' => 'string', 'enum' => array( 'repeat-x', 'repeat-y', 'repeat', 'no-repeat', ), ), 'default-attachment' => array( 'type' => 'string', 'enum' => array( 'scroll', 'fixed', ), ), 'default-color' => array( 'type' => 'string', ), ), 'additionalProperties' => false, ), 'custom-logo' => array( 'description' => __( 'Custom logo if defined by the theme.' ), 'type' => array( 'boolean', 'object' ), 'properties' => array( 'width' => array( 'type' => 'integer', ), 'height' => array( 'type' => 'integer', ), 'flex-width' => array( 'type' => 'boolean', ), 'flex-height' => array( 'type' => 'boolean', ), 'header-text' => array( 'type' => 'array', 'items' => array( 'type' => 'string', ), ), ), 'additionalProperties' => false, ), 'customize-selective-refresh-widgets' => array( 'description' => __( 'Whether the theme enables Selective Refresh for Widgets being managed with the Customizer.' ), 'type' => 'boolean', ), 'dark-editor-style' => array( 'description' => __( 'Whether theme opts in to the dark editor style UI.' ), 'type' => 'boolean', ), 'disable-custom-colors' => array( 'description' => __( 'Whether the theme disables custom colors.' ), 'type' => 'boolean', ), 'disable-custom-font-sizes' => array( 'description' => __( 'Whether the theme disables custom font sizes.' ), 'type' => 'boolean', ), 'disable-custom-gradients' => array( 'description' => __( 'Whether the theme disables custom gradients.' ), 'type' => 'boolean', ), 'editor-color-palette' => array( 'description' => __( 'Custom color palette if defined by the theme.' ), 'type' => array( 'boolean', 'array' ), 'items' => array( 'type' => 'object', 'properties' => array( 'name' => array( 'type' => 'string', ), 'slug' => array( 'type' => 'string', ), 'color' => array( 'type' => 'string', ), ), 'additionalProperties' => false, ), ), 'editor-font-sizes' => array( 'description' => __( 'Custom font sizes if defined by the theme.' ), 'type' => array( 'boolean', 'array' ), 'items' => array( 'type' => 'object', 'properties' => array( 'name' => array( 'type' => 'string', ), 'size' => array( 'type' => 'number', ), 'slug' => array( 'type' => 'string', ), ), 'additionalProperties' => false, ), ), 'editor-gradient-presets' => array( 'description' => __( 'Custom gradient presets if defined by the theme.' ), 'type' => array( 'boolean', 'array' ), 'items' => array( 'type' => 'object', 'properties' => array( 'name' => array( 'type' => 'string', ), 'gradient' => array( 'type' => 'string', ), 'slug' => array( 'type' => 'string', ), ), 'additionalProperties' => false, ), ), 'editor-styles' => array( 'description' => __( 'Whether theme opts in to the editor styles CSS wrapper.' ), 'type' => 'boolean', ), 'formats' => array( 'description' => __( 'Post formats supported.' ), 'type' => 'array', 'items' => array( 'type' => 'string', 'enum' => get_post_format_slugs(), ), ), 'html5' => array( 'description' => __( 'Allows use of html5 markup for search forms, comment forms, comment lists, gallery, and caption.' ), 'type' => array( 'boolean', 'array' ), 'items' => array( 'type' => 'string', 'enum' => array( 'search-form', 'comment-form', 'comment-list', 'gallery', 'caption', 'script', 'style', ), ), ), 'post-thumbnails' => array( 'description' => __( 'Whether the theme supports post thumbnails.' ), 'type' => array( 'boolean', 'array' ), 'items' => array( 'type' => 'string', ), ), 'responsive-embeds' => array( 'description' => __( 'Whether the theme supports responsive embedded content.' ), 'type' => 'boolean', ), 'title-tag' => array( 'description' => __( 'Whether the theme can manage the document title tag.' ), 'type' => 'boolean', ), 'wp-block-styles' => array( 'description' => __( 'Whether theme opts in to default WordPress block styles for viewing.' ), 'type' => 'boolean', ), ), ), ), ); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } /** * Retrieves the search params for the themes collection. * * @since 5.0.0 * * @return array Collection parameters. */ public function get_collection_params() { $query_params = parent::get_collection_params(); $query_params['status'] = array( 'description' => __( 'Limit result set to themes assigned one or more statuses.' ), 'type' => 'array', 'items' => array( 'enum' => array( 'active' ), 'type' => 'string', ), 'required' => true, 'sanitize_callback' => array( $this, 'sanitize_theme_status' ), ); /** * Filter collection parameters for the themes controller. * * @since 5.0.0 * * @param array $query_params JSON Schema-formatted collection parameters. */ return apply_filters( 'rest_themes_collection_params', $query_params ); } /** * Sanitizes and validates the list of theme status. * * @since 5.0.0 * * @param string|array $statuses One or more theme statuses. * @param WP_REST_Request $request Full details about the request. * @param string $parameter Additional parameter to pass to validation. * @return array|WP_Error A list of valid statuses, otherwise WP_Error object. */ public function sanitize_theme_status( $statuses, $request, $parameter ) { $statuses = wp_parse_slug_list( $statuses ); foreach ( $statuses as $status ) { $result = rest_validate_request_arg( $status, $request, $parameter ); if ( is_wp_error( $result ) ) { return $result; } } return $statuses; } }