diff options
Diffstat (limited to 'wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php')
-rw-r--r-- | wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php | 667 |
1 files changed, 667 insertions, 0 deletions
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php new file mode 100644 index 0000000..064fc2d --- /dev/null +++ b/wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php @@ -0,0 +1,667 @@ +<?php +/** + * REST API: WP_REST_Themes_Controller class + * + * @package WordPress + * @subpackage REST_API + * @since 5.0.0 + */ + +/** + * Core class used to manage themes via the REST API. + * + * @since 5.0.0 + * + * @see WP_REST_Controller + */ +class WP_REST_Themes_Controller extends WP_REST_Controller { + + /** + * Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`. + * Excludes invalid directory name characters: `/:<>*?"|`. + */ + const PATTERN = '[^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?'; + + /** + * Constructor. + * + * @since 5.0.0 + */ + public function __construct() { + $this->namespace = 'wp/v2'; + $this->rest_base = 'themes'; + } + + /** + * Registers the routes for themes. + * + * @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' ), + ) + ); + + register_rest_route( + $this->namespace, + sprintf( '/%s/(?P<stylesheet>%s)', $this->rest_base, self::PATTERN ), + array( + 'args' => array( + 'stylesheet' => array( + 'description' => __( "The theme's stylesheet. This uniquely identifies the theme." ), + 'type' => 'string', + 'sanitize_callback' => array( $this, '_sanitize_stylesheet_callback' ), + ), + ), + array( + 'methods' => WP_REST_Server::READABLE, + 'callback' => array( $this, 'get_item' ), + 'permission_callback' => array( $this, 'get_item_permissions_check' ), + ), + 'schema' => array( $this, 'get_public_item_schema' ), + ) + ); + } + + /** + * Sanitize the stylesheet to decode endpoint. + * + * @since 5.9.0 + * + * @param string $stylesheet The stylesheet name. + * @return string Sanitized stylesheet. + */ + public function _sanitize_stylesheet_callback( $stylesheet ) { + return urldecode( $stylesheet ); + } + + /** + * 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( 'switch_themes' ) || current_user_can( 'manage_network_themes' ) ) { + return true; + } + + $registered = $this->get_collection_params(); + if ( isset( $registered['status'], $request['status'] ) && is_array( $request['status'] ) && array( 'active' ) === $request['status'] ) { + return $this->check_read_active_theme_permission(); + } + + return new WP_Error( + 'rest_cannot_view_themes', + __( 'Sorry, you are not allowed to view themes.' ), + array( 'status' => rest_authorization_required_code() ) + ); + } + + /** + * Checks if a given request has access to read the theme. + * + * @since 5.7.0 + * + * @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_item_permissions_check( $request ) { + if ( current_user_can( 'switch_themes' ) || current_user_can( 'manage_network_themes' ) ) { + return true; + } + + $wp_theme = wp_get_theme( $request['stylesheet'] ); + $current_theme = wp_get_theme(); + + if ( $this->is_same_theme( $wp_theme, $current_theme ) ) { + return $this->check_read_active_theme_permission(); + } + + return new WP_Error( + 'rest_cannot_view_themes', + __( 'Sorry, you are not allowed to view themes.' ), + array( 'status' => rest_authorization_required_code() ) + ); + } + + /** + * Checks if a theme can be read. + * + * @since 5.7.0 + * + * @return true|WP_Error True if the theme can be read, WP_Error object otherwise. + */ + protected function check_read_active_theme_permission() { + 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_cannot_view_active_theme', + __( 'Sorry, you are not allowed to view the active theme.' ), + array( 'status' => rest_authorization_required_code() ) + ); + } + + /** + * Retrieves a single theme. + * + * @since 5.7.0 + * + * @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_item( $request ) { + $wp_theme = wp_get_theme( $request['stylesheet'] ); + if ( ! $wp_theme->exists() ) { + return new WP_Error( + 'rest_theme_not_found', + __( 'Theme not found.' ), + array( 'status' => 404 ) + ); + } + $data = $this->prepare_item_for_response( $wp_theme, $request ); + + return rest_ensure_response( $data ); + } + + /** + * 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 ) { + $themes = array(); + + $active_themes = wp_get_themes(); + $current_theme = wp_get_theme(); + $status = $request['status']; + + foreach ( $active_themes as $theme_name => $theme ) { + $theme_status = ( $this->is_same_theme( $theme, $current_theme ) ) ? 'active' : 'inactive'; + if ( is_array( $status ) && ! in_array( $theme_status, $status, true ) ) { + continue; + } + + $prepared = $this->prepare_item_for_response( $theme, $request ); + $themes[] = $this->prepare_response_for_collection( $prepared ); + } + + $response = rest_ensure_response( $themes ); + + $response->header( 'X-WP-Total', count( $themes ) ); + $response->header( 'X-WP-TotalPages', 1 ); + + return $response; + } + + /** + * Prepares a single theme output for response. + * + * @since 5.0.0 + * @since 5.9.0 Renamed `$theme` to `$item` to match parent class for PHP 8 named parameter support. + * + * @param WP_Theme $item Theme object. + * @param WP_REST_Request $request Request object. + * @return WP_REST_Response Response object. + */ + public function prepare_item_for_response( $item, $request ) { + // Restores the more descriptive, specific name for use within this method. + $theme = $item; + + $fields = $this->get_fields_for_response( $request ); + $data = array(); + + if ( rest_is_field_included( 'stylesheet', $fields ) ) { + $data['stylesheet'] = $theme->get_stylesheet(); + } + + if ( rest_is_field_included( 'template', $fields ) ) { + /** + * Use the get_template() method, not the 'Template' header, for finding the template. + * The 'Template' header is only good for what was written in the style.css, while + * get_template() takes into account where WordPress actually located the theme and + * whether it is actually valid. + */ + $data['template'] = $theme->get_template(); + } + + $plain_field_mappings = array( + 'requires_php' => 'RequiresPHP', + 'requires_wp' => 'RequiresWP', + 'textdomain' => 'TextDomain', + 'version' => 'Version', + ); + + foreach ( $plain_field_mappings as $field => $header ) { + if ( rest_is_field_included( $field, $fields ) ) { + $data[ $field ] = $theme->get( $header ); + } + } + + if ( rest_is_field_included( 'screenshot', $fields ) ) { + // Using $theme->get_screenshot() with no args to get absolute URL. + $data['screenshot'] = $theme->get_screenshot() ? $theme->get_screenshot() : ''; + } + + $rich_field_mappings = array( + 'author' => 'Author', + 'author_uri' => 'AuthorURI', + 'description' => 'Description', + 'name' => 'Name', + 'tags' => 'Tags', + 'theme_uri' => 'ThemeURI', + ); + + foreach ( $rich_field_mappings as $field => $header ) { + if ( rest_is_field_included( "{$field}.raw", $fields ) ) { + $data[ $field ]['raw'] = $theme->display( $header, false, true ); + } + + if ( rest_is_field_included( "{$field}.rendered", $fields ) ) { + $data[ $field ]['rendered'] = $theme->display( $header ); + } + } + + $current_theme = wp_get_theme(); + if ( rest_is_field_included( 'status', $fields ) ) { + $data['status'] = ( $this->is_same_theme( $theme, $current_theme ) ) ? 'active' : 'inactive'; + } + + if ( rest_is_field_included( 'theme_supports', $fields ) && $this->is_same_theme( $theme, $current_theme ) ) { + foreach ( get_registered_theme_features() as $feature => $config ) { + if ( ! is_array( $config['show_in_rest'] ) ) { + continue; + } + + $name = $config['show_in_rest']['name']; + + if ( ! rest_is_field_included( "theme_supports.{$name}", $fields ) ) { + continue; + } + + if ( ! current_theme_supports( $feature ) ) { + $data['theme_supports'][ $name ] = $config['show_in_rest']['schema']['default']; + continue; + } + + $support = get_theme_support( $feature ); + + if ( isset( $config['show_in_rest']['prepare_callback'] ) ) { + $prepare = $config['show_in_rest']['prepare_callback']; + } else { + $prepare = array( $this, 'prepare_theme_support' ); + } + + $prepared = $prepare( $support, $config, $feature, $request ); + + if ( is_wp_error( $prepared ) ) { + continue; + } + + $data['theme_supports'][ $name ] = $prepared; + } + } + + if ( rest_is_field_included( 'is_block_theme', $fields ) ) { + $data['is_block_theme'] = $theme->is_block_theme(); + } + + $data = $this->add_additional_fields_to_object( $data, $request ); + + // Wrap the data in a response object. + $response = rest_ensure_response( $data ); + + if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { + $response->add_links( $this->prepare_links( $theme ) ); + } + + /** + * 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 ); + } + + /** + * Prepares links for the request. + * + * @since 5.7.0 + * + * @param WP_Theme $theme Theme data. + * @return array Links for the given block type. + */ + protected function prepare_links( $theme ) { + $links = array( + 'self' => array( + 'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $theme->get_stylesheet() ) ), + ), + 'collection' => array( + 'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), + ), + ); + + if ( $this->is_same_theme( $theme, wp_get_theme() ) ) { + // This creates a record for the active theme if not existent. + $id = WP_Theme_JSON_Resolver::get_user_global_styles_post_id(); + } else { + $user_cpt = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme ); + $id = isset( $user_cpt['ID'] ) ? $user_cpt['ID'] : null; + } + + if ( $id ) { + $links['https://api.w.org/user-global-styles'] = array( + 'href' => rest_url( 'wp/v2/global-styles/' . $id ), + ); + } + + return $links; + } + + /** + * Helper function to compare two themes. + * + * @since 5.7.0 + * + * @param WP_Theme $theme_a First theme to compare. + * @param WP_Theme $theme_b Second theme to compare. + * @return bool + */ + protected function is_same_theme( $theme_a, $theme_b ) { + return $theme_a->get_stylesheet() === $theme_b->get_stylesheet(); + } + + /** + * Prepares the theme support value for inclusion in the REST API response. + * + * @since 5.5.0 + * + * @param mixed $support The raw value from get_theme_support(). + * @param array $args The feature's registration args. + * @param string $feature The feature name. + * @param WP_REST_Request $request The request object. + * @return mixed The prepared support value. + */ + protected function prepare_theme_support( $support, $args, $feature, $request ) { + $schema = $args['show_in_rest']['schema']; + + if ( 'boolean' === $schema['type'] ) { + return true; + } + + if ( is_array( $support ) && ! $args['variadic'] ) { + $support = $support[0]; + } + + return rest_sanitize_value_from_schema( $support, $schema ); + } + + /** + * 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( + 'stylesheet' => array( + 'description' => __( 'The theme\'s stylesheet. This uniquely identifies the theme.' ), + 'type' => 'string', + 'readonly' => true, + ), + 'template' => array( + 'description' => __( 'The theme\'s template. If this is a child theme, this refers to the parent theme, otherwise this is the same as the theme\'s stylesheet.' ), + 'type' => 'string', + 'readonly' => true, + ), + 'author' => array( + 'description' => __( 'The theme author.' ), + 'type' => 'object', + 'readonly' => true, + 'properties' => array( + 'raw' => array( + 'description' => __( 'The theme author\'s name, as found in the theme header.' ), + 'type' => 'string', + ), + 'rendered' => array( + 'description' => __( 'HTML for the theme author, transformed for display.' ), + 'type' => 'string', + ), + ), + ), + 'author_uri' => array( + 'description' => __( 'The website of the theme author.' ), + 'type' => 'object', + 'readonly' => true, + 'properties' => array( + 'raw' => array( + 'description' => __( 'The website of the theme author, as found in the theme header.' ), + 'type' => 'string', + 'format' => 'uri', + ), + 'rendered' => array( + 'description' => __( 'The website of the theme author, transformed for display.' ), + 'type' => 'string', + 'format' => 'uri', + ), + ), + ), + 'description' => array( + 'description' => __( 'A description of the theme.' ), + 'type' => 'object', + 'readonly' => true, + 'properties' => array( + 'raw' => array( + 'description' => __( 'The theme description, as found in the theme header.' ), + 'type' => 'string', + ), + 'rendered' => array( + 'description' => __( 'The theme description, transformed for display.' ), + 'type' => 'string', + ), + ), + ), + 'is_block_theme' => array( + 'description' => __( 'Whether the theme is a block-based theme.' ), + 'type' => 'boolean', + 'readonly' => true, + ), + 'name' => array( + 'description' => __( 'The name of the theme.' ), + 'type' => 'object', + 'readonly' => true, + 'properties' => array( + 'raw' => array( + 'description' => __( 'The theme name, as found in the theme header.' ), + 'type' => 'string', + ), + 'rendered' => array( + 'description' => __( 'The theme name, transformed for display.' ), + 'type' => 'string', + ), + ), + ), + 'requires_php' => array( + 'description' => __( 'The minimum PHP version required for the theme to work.' ), + 'type' => 'string', + 'readonly' => true, + ), + 'requires_wp' => array( + 'description' => __( 'The minimum WordPress version required for the theme to work.' ), + 'type' => 'string', + 'readonly' => true, + ), + 'screenshot' => array( + 'description' => __( 'The theme\'s screenshot URL.' ), + 'type' => 'string', + 'format' => 'uri', + 'readonly' => true, + ), + 'tags' => array( + 'description' => __( 'Tags indicating styles and features of the theme.' ), + 'type' => 'object', + 'readonly' => true, + 'properties' => array( + 'raw' => array( + 'description' => __( 'The theme tags, as found in the theme header.' ), + 'type' => 'array', + 'items' => array( + 'type' => 'string', + ), + ), + 'rendered' => array( + 'description' => __( 'The theme tags, transformed for display.' ), + 'type' => 'string', + ), + ), + ), + 'textdomain' => array( + 'description' => __( 'The theme\'s text domain.' ), + 'type' => 'string', + 'readonly' => true, + ), + 'theme_supports' => array( + 'description' => __( 'Features supported by this theme.' ), + 'type' => 'object', + 'readonly' => true, + 'properties' => array(), + ), + 'theme_uri' => array( + 'description' => __( 'The URI of the theme\'s webpage.' ), + 'type' => 'object', + 'readonly' => true, + 'properties' => array( + 'raw' => array( + 'description' => __( 'The URI of the theme\'s webpage, as found in the theme header.' ), + 'type' => 'string', + 'format' => 'uri', + ), + 'rendered' => array( + 'description' => __( 'The URI of the theme\'s webpage, transformed for display.' ), + 'type' => 'string', + 'format' => 'uri', + ), + ), + ), + 'version' => array( + 'description' => __( 'The theme\'s current version.' ), + 'type' => 'string', + 'readonly' => true, + ), + 'status' => array( + 'description' => __( 'A named status for the theme.' ), + 'type' => 'string', + 'enum' => array( 'inactive', 'active' ), + ), + ), + ); + + foreach ( get_registered_theme_features() as $feature => $config ) { + if ( ! is_array( $config['show_in_rest'] ) ) { + continue; + } + + $name = $config['show_in_rest']['name']; + + $schema['properties']['theme_supports']['properties'][ $name ] = $config['show_in_rest']['schema']; + } + + $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 = array( + 'status' => array( + 'description' => __( 'Limit result set to themes assigned one or more statuses.' ), + 'type' => 'array', + 'items' => array( + 'enum' => array( 'active', 'inactive' ), + 'type' => 'string', + ), + ), + ); + + /** + * Filters REST API 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 + * @deprecated 5.7.0 + * + * @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 ) { + _deprecated_function( __METHOD__, '5.7.0' ); + + $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; + } +} |