691 lines
20 KiB
PHP
691 lines
20 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Global_Styles_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 5.9.0
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*/
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/**
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* Base Global Styles REST API Controller.
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*/
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class WP_REST_Global_Styles_Controller extends WP_REST_Controller {
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/**
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* Post type.
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*
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* @since 5.9.0
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* @var string
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*/
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protected $post_type;
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/**
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* Constructor.
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* @since 5.9.0
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*/
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public function __construct() {
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$this->namespace = 'wp/v2';
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$this->rest_base = 'global-styles';
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$this->post_type = 'wp_global_styles';
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}
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/**
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* Registers the controllers routes.
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*
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* @since 5.9.0
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base . '/themes/(?P<stylesheet>[\/\s%\w\.\(\)\[\]\@_\-]+)/variations',
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_theme_items' ),
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'permission_callback' => array( $this, 'get_theme_items_permissions_check' ),
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'args' => array(
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'stylesheet' => array(
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'description' => __( 'The theme identifier' ),
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'type' => 'string',
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),
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),
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),
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)
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);
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// List themes global styles.
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register_rest_route(
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$this->namespace,
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// The route.
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sprintf(
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'/%s/themes/(?P<stylesheet>%s)',
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$this->rest_base,
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// Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`.
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// Excludes invalid directory name characters: `/:<>*?"|`.
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'[^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?'
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),
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_theme_item' ),
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'permission_callback' => array( $this, 'get_theme_item_permissions_check' ),
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'args' => array(
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'stylesheet' => array(
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'description' => __( 'The theme identifier' ),
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'type' => 'string',
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'sanitize_callback' => array( $this, '_sanitize_global_styles_callback' ),
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),
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),
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),
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)
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);
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// Lists/updates a single global style variation based on the given id.
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base . '/(?P<id>[\/\w-]+)',
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_item' ),
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'permission_callback' => array( $this, 'get_item_permissions_check' ),
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'args' => array(
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'id' => array(
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'description' => __( 'The id of a template' ),
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'type' => 'string',
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'sanitize_callback' => array( $this, '_sanitize_global_styles_callback' ),
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),
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),
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),
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array(
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'methods' => WP_REST_Server::EDITABLE,
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'callback' => array( $this, 'update_item' ),
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'permission_callback' => array( $this, 'update_item_permissions_check' ),
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'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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}
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/**
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* Sanitize the global styles ID or stylesheet to decode endpoint.
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* For example, `wp/v2/global-styles/twentytwentytwo%200.4.0`
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* would be decoded to `twentytwentytwo 0.4.0`.
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*
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* @since 5.9.0
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*
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* @param string $id_or_stylesheet Global styles ID or stylesheet.
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* @return string Sanitized global styles ID or stylesheet.
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*/
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public function _sanitize_global_styles_callback( $id_or_stylesheet ) {
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return urldecode( $id_or_stylesheet );
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}
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/**
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* Get the post, if the ID is valid.
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*
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* @since 5.9.0
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*
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* @param int $id Supplied ID.
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* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
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*/
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protected function get_post( $id ) {
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$error = new WP_Error(
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'rest_global_styles_not_found',
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__( 'No global styles config exist with that id.' ),
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array( 'status' => 404 )
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);
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$id = (int) $id;
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if ( $id <= 0 ) {
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return $error;
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}
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$post = get_post( $id );
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if ( empty( $post ) || empty( $post->ID ) || $this->post_type !== $post->post_type ) {
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return $error;
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}
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return $post;
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}
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/**
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* Checks if a given request has access to read a single global style.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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public function get_item_permissions_check( $request ) {
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$post = $this->get_post( $request['id'] );
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if ( is_wp_error( $post ) ) {
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return $post;
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}
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if ( 'edit' === $request['context'] && $post && ! $this->check_update_permission( $post ) ) {
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return new WP_Error(
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'rest_forbidden_context',
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__( 'Sorry, you are not allowed to edit this global style.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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if ( ! $this->check_read_permission( $post ) ) {
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return new WP_Error(
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'rest_cannot_view',
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__( 'Sorry, you are not allowed to view this global style.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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return true;
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}
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/**
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* Checks if a global style can be read.
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*
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* @since 5.9.0
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*
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* @param WP_Post $post Post object.
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* @return bool Whether the post can be read.
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*/
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protected function check_read_permission( $post ) {
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return current_user_can( 'read_post', $post->ID );
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}
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/**
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* Returns the given global styles config.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request The request instance.
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*
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* @return WP_REST_Response|WP_Error
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*/
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public function get_item( $request ) {
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$post = $this->get_post( $request['id'] );
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if ( is_wp_error( $post ) ) {
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return $post;
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}
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return $this->prepare_item_for_response( $post, $request );
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}
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/**
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* Checks if a given request has access to write a single global styles config.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has write access for the item, WP_Error object otherwise.
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*/
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public function update_item_permissions_check( $request ) {
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$post = $this->get_post( $request['id'] );
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if ( is_wp_error( $post ) ) {
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return $post;
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}
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if ( $post && ! $this->check_update_permission( $post ) ) {
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return new WP_Error(
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'rest_cannot_edit',
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__( 'Sorry, you are not allowed to edit this global style.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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return true;
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}
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/**
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* Checks if a global style can be edited.
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*
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* @since 5.9.0
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*
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* @param WP_Post $post Post object.
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* @return bool Whether the post can be edited.
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*/
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protected function check_update_permission( $post ) {
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return current_user_can( 'edit_post', $post->ID );
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}
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/**
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* Updates a single global style config.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function update_item( $request ) {
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$post_before = $this->get_post( $request['id'] );
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if ( is_wp_error( $post_before ) ) {
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return $post_before;
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}
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$changes = $this->prepare_item_for_database( $request );
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if ( is_wp_error( $changes ) ) {
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return $changes;
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}
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$result = wp_update_post( wp_slash( (array) $changes ), true, false );
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if ( is_wp_error( $result ) ) {
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return $result;
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}
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$post = get_post( $request['id'] );
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$fields_update = $this->update_additional_fields_for_object( $post, $request );
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if ( is_wp_error( $fields_update ) ) {
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return $fields_update;
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}
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wp_after_insert_post( $post, true, $post_before );
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$response = $this->prepare_item_for_response( $post, $request );
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return rest_ensure_response( $response );
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}
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/**
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* Prepares a single global styles config for update.
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*
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* @since 5.9.0
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* @since 6.2.0 Added validation of styles.css property.
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*
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* @param WP_REST_Request $request Request object.
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* @return stdClass|WP_Error Prepared item on success. WP_Error on when the custom CSS is not valid.
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*/
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protected function prepare_item_for_database( $request ) {
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$changes = new stdClass();
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$changes->ID = $request['id'];
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$post = get_post( $request['id'] );
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$existing_config = array();
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if ( $post ) {
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$existing_config = json_decode( $post->post_content, true );
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$json_decoding_error = json_last_error();
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if ( JSON_ERROR_NONE !== $json_decoding_error || ! isset( $existing_config['isGlobalStylesUserThemeJSON'] ) ||
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! $existing_config['isGlobalStylesUserThemeJSON'] ) {
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$existing_config = array();
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}
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}
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if ( isset( $request['styles'] ) || isset( $request['settings'] ) ) {
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$config = array();
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if ( isset( $request['styles'] ) ) {
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if ( isset( $request['styles']['css'] ) ) {
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$css_validation_result = $this->validate_custom_css( $request['styles']['css'] );
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if ( is_wp_error( $css_validation_result ) ) {
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return $css_validation_result;
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}
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}
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$config['styles'] = $request['styles'];
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} elseif ( isset( $existing_config['styles'] ) ) {
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$config['styles'] = $existing_config['styles'];
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}
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if ( isset( $request['settings'] ) ) {
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$config['settings'] = $request['settings'];
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} elseif ( isset( $existing_config['settings'] ) ) {
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$config['settings'] = $existing_config['settings'];
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}
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$config['isGlobalStylesUserThemeJSON'] = true;
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$config['version'] = WP_Theme_JSON::LATEST_SCHEMA;
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$changes->post_content = wp_json_encode( $config );
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}
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// Post title.
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if ( isset( $request['title'] ) ) {
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if ( is_string( $request['title'] ) ) {
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$changes->post_title = $request['title'];
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} elseif ( ! empty( $request['title']['raw'] ) ) {
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$changes->post_title = $request['title']['raw'];
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}
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}
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return $changes;
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}
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/**
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* Prepare a global styles config output for response.
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*
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* @since 5.9.0
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*
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* @param WP_Post $post Global Styles post object.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response Response object.
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*/
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public function prepare_item_for_response( $post, $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
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$raw_config = json_decode( $post->post_content, true );
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$is_global_styles_user_theme_json = isset( $raw_config['isGlobalStylesUserThemeJSON'] ) && true === $raw_config['isGlobalStylesUserThemeJSON'];
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$config = array();
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if ( $is_global_styles_user_theme_json ) {
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$config = ( new WP_Theme_JSON( $raw_config, 'custom' ) )->get_raw_data();
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}
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// Base fields for every post.
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$data = array();
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$fields = $this->get_fields_for_response( $request );
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if ( rest_is_field_included( 'id', $fields ) ) {
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$data['id'] = $post->ID;
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}
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if ( rest_is_field_included( 'title', $fields ) ) {
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$data['title'] = array();
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}
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if ( rest_is_field_included( 'title.raw', $fields ) ) {
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$data['title']['raw'] = $post->post_title;
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}
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if ( rest_is_field_included( 'title.rendered', $fields ) ) {
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add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
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$data['title']['rendered'] = get_the_title( $post->ID );
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remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
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}
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if ( rest_is_field_included( 'settings', $fields ) ) {
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$data['settings'] = ! empty( $config['settings'] ) && $is_global_styles_user_theme_json ? $config['settings'] : new stdClass();
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}
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if ( rest_is_field_included( 'styles', $fields ) ) {
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$data['styles'] = ! empty( $config['styles'] ) && $is_global_styles_user_theme_json ? $config['styles'] : new stdClass();
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}
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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$data = $this->add_additional_fields_to_object( $data, $request );
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$data = $this->filter_response_by_context( $data, $context );
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// Wrap the data in a response object.
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$response = rest_ensure_response( $data );
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if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
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$links = $this->prepare_links( $post->ID );
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$response->add_links( $links );
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if ( ! empty( $links['self']['href'] ) ) {
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$actions = $this->get_available_actions();
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$self = $links['self']['href'];
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foreach ( $actions as $rel ) {
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$response->add_link( $rel, $self );
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}
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}
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}
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return $response;
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}
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/**
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* Prepares links for the request.
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*
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* @since 5.9.0
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*
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* @param integer $id ID.
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* @return array Links for the given post.
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*/
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protected function prepare_links( $id ) {
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$base = sprintf( '%s/%s', $this->namespace, $this->rest_base );
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$links = array(
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'self' => array(
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'href' => rest_url( trailingslashit( $base ) . $id ),
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),
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);
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return $links;
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}
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/**
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* Get the link relations available for the post and current user.
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*
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* @since 5.9.0
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* @since 6.2.0 Added 'edit-css' action.
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*
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* @return array List of link relations.
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*/
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protected function get_available_actions() {
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$rels = array();
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$post_type = get_post_type_object( $this->post_type );
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if ( current_user_can( $post_type->cap->publish_posts ) ) {
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$rels[] = 'https://api.w.org/action-publish';
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}
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if ( current_user_can( 'edit_css' ) ) {
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$rels[] = 'https://api.w.org/action-edit-css';
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}
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return $rels;
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}
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/**
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* Overwrites the default protected title format.
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*
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* By default, WordPress will show password protected posts with a title of
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* "Protected: %s", as the REST API communicates the protected status of a post
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* in a machine readable format, we remove the "Protected: " prefix.
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*
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* @since 5.9.0
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*
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* @return string Protected title format.
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*/
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public function protected_title_format() {
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return '%s';
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}
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/**
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* Retrieves the query params for the global styles collection.
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*
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* @since 5.9.0
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*
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* @return array Collection parameters.
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*/
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public function get_collection_params() {
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return array();
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}
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/**
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* Retrieves the global styles type' schema, conforming to JSON Schema.
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*
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* @since 5.9.0
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*
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* @return array Item schema data.
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*/
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public function get_item_schema() {
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if ( $this->schema ) {
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return $this->add_additional_fields_schema( $this->schema );
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}
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$schema = array(
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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => $this->post_type,
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'type' => 'object',
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'properties' => array(
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'id' => array(
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'description' => __( 'ID of global styles config.' ),
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'type' => 'string',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'styles' => array(
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'description' => __( 'Global styles.' ),
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'type' => array( 'object' ),
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'context' => array( 'view', 'edit' ),
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),
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'settings' => array(
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'description' => __( 'Global settings.' ),
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'type' => array( 'object' ),
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|
'context' => array( 'view', 'edit' ),
|
|
),
|
|
'title' => array(
|
|
'description' => __( 'Title of the global styles variation.' ),
|
|
'type' => array( 'object', 'string' ),
|
|
'default' => '',
|
|
'context' => array( 'embed', 'view', 'edit' ),
|
|
'properties' => array(
|
|
'raw' => array(
|
|
'description' => __( 'Title for the global styles variation, as it exists in the database.' ),
|
|
'type' => 'string',
|
|
'context' => array( 'view', 'edit', 'embed' ),
|
|
),
|
|
'rendered' => array(
|
|
'description' => __( 'HTML title for the post, transformed for display.' ),
|
|
'type' => 'string',
|
|
'context' => array( 'view', 'edit', 'embed' ),
|
|
'readonly' => true,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
$this->schema = $schema;
|
|
|
|
return $this->add_additional_fields_schema( $this->schema );
|
|
}
|
|
|
|
/**
|
|
* Checks if a given request has access to read a single theme global styles config.
|
|
*
|
|
* @since 5.9.0
|
|
*
|
|
* @param WP_REST_Request $request Full details about the request.
|
|
* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
|
|
*/
|
|
public function get_theme_item_permissions_check( $request ) {
|
|
// Verify if the current user has edit_theme_options capability.
|
|
// This capability is required to edit/view/delete templates.
|
|
if ( ! current_user_can( 'edit_theme_options' ) ) {
|
|
return new WP_Error(
|
|
'rest_cannot_manage_global_styles',
|
|
__( 'Sorry, you are not allowed to access the global styles on this site.' ),
|
|
array(
|
|
'status' => rest_authorization_required_code(),
|
|
)
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns the given theme global styles config.
|
|
*
|
|
* @since 5.9.0
|
|
*
|
|
* @param WP_REST_Request $request The request instance.
|
|
* @return WP_REST_Response|WP_Error
|
|
*/
|
|
public function get_theme_item( $request ) {
|
|
if ( get_stylesheet() !== $request['stylesheet'] ) {
|
|
// This endpoint only supports the active theme for now.
|
|
return new WP_Error(
|
|
'rest_theme_not_found',
|
|
__( 'Theme not found.' ),
|
|
array( 'status' => 404 )
|
|
);
|
|
}
|
|
|
|
$theme = WP_Theme_JSON_Resolver::get_merged_data( 'theme' );
|
|
$data = array();
|
|
$fields = $this->get_fields_for_response( $request );
|
|
|
|
if ( rest_is_field_included( 'settings', $fields ) ) {
|
|
$data['settings'] = $theme->get_settings();
|
|
}
|
|
|
|
if ( rest_is_field_included( 'styles', $fields ) ) {
|
|
$raw_data = $theme->get_raw_data();
|
|
$data['styles'] = isset( $raw_data['styles'] ) ? $raw_data['styles'] : array();
|
|
}
|
|
|
|
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
|
|
$data = $this->add_additional_fields_to_object( $data, $request );
|
|
$data = $this->filter_response_by_context( $data, $context );
|
|
|
|
$response = rest_ensure_response( $data );
|
|
|
|
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
|
|
$links = array(
|
|
'self' => array(
|
|
'href' => rest_url( sprintf( '%s/%s/themes/%s', $this->namespace, $this->rest_base, $request['stylesheet'] ) ),
|
|
),
|
|
);
|
|
$response->add_links( $links );
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Checks if a given request has access to read a single theme global styles config.
|
|
*
|
|
* @since 6.0.0
|
|
*
|
|
* @param WP_REST_Request $request Full details about the request.
|
|
* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
|
|
*/
|
|
public function get_theme_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
|
|
// Verify if the current user has edit_theme_options capability.
|
|
// This capability is required to edit/view/delete templates.
|
|
if ( ! current_user_can( 'edit_theme_options' ) ) {
|
|
return new WP_Error(
|
|
'rest_cannot_manage_global_styles',
|
|
__( 'Sorry, you are not allowed to access the global styles on this site.' ),
|
|
array(
|
|
'status' => rest_authorization_required_code(),
|
|
)
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns the given theme global styles variations.
|
|
*
|
|
* @since 6.0.0
|
|
*
|
|
* @param WP_REST_Request $request The request instance.
|
|
*
|
|
* @return WP_REST_Response|WP_Error
|
|
*/
|
|
public function get_theme_items( $request ) {
|
|
if ( get_stylesheet() !== $request['stylesheet'] ) {
|
|
// This endpoint only supports the active theme for now.
|
|
return new WP_Error(
|
|
'rest_theme_not_found',
|
|
__( 'Theme not found.' ),
|
|
array( 'status' => 404 )
|
|
);
|
|
}
|
|
|
|
$variations = WP_Theme_JSON_Resolver::get_style_variations();
|
|
$response = rest_ensure_response( $variations );
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Validate style.css as valid CSS.
|
|
*
|
|
* Currently just checks for invalid markup.
|
|
*
|
|
* @since 6.2.0
|
|
*
|
|
* @param string $css CSS to validate.
|
|
* @return true|WP_Error True if the input was validated, otherwise WP_Error.
|
|
*/
|
|
private function validate_custom_css( $css ) {
|
|
if ( preg_match( '#</?\w+#', $css ) ) {
|
|
return new WP_Error(
|
|
'rest_custom_css_illegal_markup',
|
|
__( 'Markup is not allowed in CSS.' ),
|
|
array( 'status' => 400 )
|
|
);
|
|
}
|
|
return true;
|
|
}
|
|
}
|