1952 lines
56 KiB
PHP
1952 lines
56 KiB
PHP
<?php
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/**
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* REST API functions.
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 4.4.0
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*/
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/**
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* Version number for our API.
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*
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* @var string
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*/
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define( 'REST_API_VERSION', '2.0' );
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/**
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* Registers a REST API route.
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*
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* Note: Do not use before the {@see 'rest_api_init'} hook.
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*
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* @since 4.4.0
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* @since 5.1.0 Added a _doing_it_wrong() notice when not called on or after the rest_api_init hook.
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*
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* @param string $namespace The first URL segment after core prefix. Should be unique to your package/plugin.
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* @param string $route The base URL for route you are adding.
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* @param array $args Optional. Either an array of options for the endpoint, or an array of arrays for
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* multiple methods. Default empty array.
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* @param bool $override Optional. If the route already exists, should we override it? True overrides,
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* false merges (with newer overriding if duplicate keys exist). Default false.
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* @return bool True on success, false on error.
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*/
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function register_rest_route( $namespace, $route, $args = array(), $override = false ) {
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if ( empty( $namespace ) ) {
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/*
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* Non-namespaced routes are not allowed, with the exception of the main
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* and namespace indexes. If you really need to register a
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* non-namespaced route, call `WP_REST_Server::register_route` directly.
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*/
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_doing_it_wrong( 'register_rest_route', __( 'Routes must be namespaced with plugin or theme name and version.' ), '4.4.0' );
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return false;
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} elseif ( empty( $route ) ) {
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_doing_it_wrong( 'register_rest_route', __( 'Route must be specified.' ), '4.4.0' );
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return false;
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}
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$clean_namespace = trim( $namespace, '/' );
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if ( $clean_namespace !== $namespace ) {
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_doing_it_wrong( __FUNCTION__, __( 'Namespace must not start or end with a slash.' ), '5.4.2' );
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}
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if ( ! did_action( 'rest_api_init' ) ) {
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_doing_it_wrong(
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'register_rest_route',
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sprintf(
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/* translators: %s: rest_api_init */
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__( 'REST API routes must be registered on the %s action.' ),
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'<code>rest_api_init</code>'
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),
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'5.1.0'
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);
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}
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if ( isset( $args['args'] ) ) {
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$common_args = $args['args'];
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unset( $args['args'] );
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} else {
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$common_args = array();
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}
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if ( isset( $args['callback'] ) ) {
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// Upgrade a single set to multiple.
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$args = array( $args );
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}
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$defaults = array(
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'methods' => 'GET',
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'callback' => null,
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'args' => array(),
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);
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foreach ( $args as $key => &$arg_group ) {
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if ( ! is_numeric( $key ) ) {
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// Route option, skip here.
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continue;
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}
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$arg_group = array_merge( $defaults, $arg_group );
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$arg_group['args'] = array_merge( $common_args, $arg_group['args'] );
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}
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$full_route = '/' . $clean_namespace . '/' . trim( $route, '/' );
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rest_get_server()->register_route( $clean_namespace, $full_route, $args, $override );
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return true;
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}
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/**
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* Registers a new field on an existing WordPress object type.
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*
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* @since 4.7.0
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*
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* @global array $wp_rest_additional_fields Holds registered fields, organized
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* by object type.
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*
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* @param string|array $object_type Object(s) the field is being registered
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* to, "post"|"term"|"comment" etc.
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* @param string $attribute The attribute name.
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* @param array $args {
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* Optional. An array of arguments used to handle the registered field.
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*
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* @type callable|null $get_callback Optional. The callback function used to retrieve the field value. Default is
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* 'null', the field will not be returned in the response. The function will
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* be passed the prepared object data.
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* @type callable|null $update_callback Optional. The callback function used to set and update the field value. Default
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* is 'null', the value cannot be set or updated. The function will be passed
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* the model object, like WP_Post.
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* @type array|null $schema Optional. The callback function used to create the schema for this field.
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* Default is 'null', no schema entry will be returned.
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* }
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*/
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function register_rest_field( $object_type, $attribute, $args = array() ) {
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$defaults = array(
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'get_callback' => null,
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'update_callback' => null,
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'schema' => null,
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);
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$args = wp_parse_args( $args, $defaults );
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global $wp_rest_additional_fields;
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$object_types = (array) $object_type;
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foreach ( $object_types as $object_type ) {
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$wp_rest_additional_fields[ $object_type ][ $attribute ] = $args;
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}
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}
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/**
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* Registers rewrite rules for the API.
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*
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* @since 4.4.0
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*
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* @see rest_api_register_rewrites()
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* @global WP $wp Current WordPress environment instance.
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*/
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function rest_api_init() {
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rest_api_register_rewrites();
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global $wp;
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$wp->add_query_var( 'rest_route' );
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}
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/**
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* Adds REST rewrite rules.
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*
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* @since 4.4.0
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*
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* @see add_rewrite_rule()
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* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
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*/
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function rest_api_register_rewrites() {
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global $wp_rewrite;
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add_rewrite_rule( '^' . rest_get_url_prefix() . '/?$', 'index.php?rest_route=/', 'top' );
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add_rewrite_rule( '^' . rest_get_url_prefix() . '/(.*)?', 'index.php?rest_route=/$matches[1]', 'top' );
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add_rewrite_rule( '^' . $wp_rewrite->index . '/' . rest_get_url_prefix() . '/?$', 'index.php?rest_route=/', 'top' );
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add_rewrite_rule( '^' . $wp_rewrite->index . '/' . rest_get_url_prefix() . '/(.*)?', 'index.php?rest_route=/$matches[1]', 'top' );
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}
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/**
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* Registers the default REST API filters.
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*
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* Attached to the {@see 'rest_api_init'} action
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* to make testing and disabling these filters easier.
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*
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* @since 4.4.0
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*/
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function rest_api_default_filters() {
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if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
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// Deprecated reporting.
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add_action( 'deprecated_function_run', 'rest_handle_deprecated_function', 10, 3 );
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add_filter( 'deprecated_function_trigger_error', '__return_false' );
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add_action( 'deprecated_argument_run', 'rest_handle_deprecated_argument', 10, 3 );
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add_filter( 'deprecated_argument_trigger_error', '__return_false' );
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}
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// Default serving.
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add_filter( 'rest_pre_serve_request', 'rest_send_cors_headers' );
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add_filter( 'rest_post_dispatch', 'rest_send_allow_header', 10, 3 );
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add_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10, 3 );
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add_filter( 'rest_pre_dispatch', 'rest_handle_options_request', 10, 3 );
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}
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/**
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* Registers default REST API routes.
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*
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* @since 4.7.0
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*/
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function create_initial_rest_routes() {
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foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
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$controller = $post_type->get_rest_controller();
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if ( ! $controller ) {
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continue;
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}
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$controller->register_routes();
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if ( post_type_supports( $post_type->name, 'revisions' ) ) {
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$revisions_controller = new WP_REST_Revisions_Controller( $post_type->name );
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$revisions_controller->register_routes();
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}
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if ( 'attachment' !== $post_type->name ) {
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$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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// Post types.
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$controller = new WP_REST_Post_Types_Controller;
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$controller->register_routes();
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// Post statuses.
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$controller = new WP_REST_Post_Statuses_Controller;
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$controller->register_routes();
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// Taxonomies.
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$controller = new WP_REST_Taxonomies_Controller;
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$controller->register_routes();
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// Terms.
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foreach ( get_taxonomies( array( 'show_in_rest' => true ), 'object' ) as $taxonomy ) {
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$controller = $taxonomy->get_rest_controller();
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if ( ! $controller ) {
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continue;
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}
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$controller->register_routes();
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}
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// Users.
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$controller = new WP_REST_Users_Controller;
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$controller->register_routes();
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// Comments.
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$controller = new WP_REST_Comments_Controller;
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$controller->register_routes();
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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 5.0.0
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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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$controller = new WP_REST_Search_Controller( $search_handlers );
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$controller->register_routes();
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// Block Renderer.
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$controller = new WP_REST_Block_Renderer_Controller;
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$controller->register_routes();
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// Block Types.
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$controller = new WP_REST_Block_Types_Controller();
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$controller->register_routes();
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// Settings.
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$controller = new WP_REST_Settings_Controller;
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$controller->register_routes();
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// Themes.
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$controller = new WP_REST_Themes_Controller;
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$controller->register_routes();
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// Plugins.
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$controller = new WP_REST_Plugins_Controller();
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$controller->register_routes();
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// Block Directory.
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$controller = new WP_REST_Block_Directory_Controller();
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$controller->register_routes();
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}
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/**
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* Loads the REST API.
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*
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* @since 4.4.0
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*
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* @global WP $wp Current WordPress environment instance.
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*/
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function rest_api_loaded() {
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if ( empty( $GLOBALS['wp']->query_vars['rest_route'] ) ) {
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return;
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}
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/**
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* Whether this is a REST Request.
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*
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* @since 4.4.0
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* @var bool
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*/
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define( 'REST_REQUEST', true );
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// Initialize the server.
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$server = rest_get_server();
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// Fire off the request.
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$route = untrailingslashit( $GLOBALS['wp']->query_vars['rest_route'] );
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if ( empty( $route ) ) {
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$route = '/';
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}
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$server->serve_request( $route );
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// We're done.
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die();
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}
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/**
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* Retrieves the URL prefix for any API resource.
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*
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* @since 4.4.0
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*
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* @return string Prefix.
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*/
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function rest_get_url_prefix() {
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/**
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* Filters the REST URL prefix.
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*
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* @since 4.4.0
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*
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* @param string $prefix URL prefix. Default 'wp-json'.
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*/
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return apply_filters( 'rest_url_prefix', 'wp-json' );
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}
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/**
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* Retrieves the URL to a REST endpoint on a site.
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*
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* Note: The returned URL is NOT escaped.
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*
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* @since 4.4.0
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*
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* @todo Check if this is even necessary
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* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
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*
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* @param int $blog_id Optional. Blog ID. Default of null returns URL for current blog.
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* @param string $path Optional. REST route. Default '/'.
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* @param string $scheme Optional. Sanitization scheme. Default 'rest'.
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* @return string Full URL to the endpoint.
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*/
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function get_rest_url( $blog_id = null, $path = '/', $scheme = 'rest' ) {
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if ( empty( $path ) ) {
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$path = '/';
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}
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$path = '/' . ltrim( $path, '/' );
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if ( is_multisite() && get_blog_option( $blog_id, 'permalink_structure' ) || get_option( 'permalink_structure' ) ) {
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global $wp_rewrite;
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if ( $wp_rewrite->using_index_permalinks() ) {
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$url = get_home_url( $blog_id, $wp_rewrite->index . '/' . rest_get_url_prefix(), $scheme );
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} else {
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$url = get_home_url( $blog_id, rest_get_url_prefix(), $scheme );
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}
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$url .= $path;
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} else {
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$url = trailingslashit( get_home_url( $blog_id, '', $scheme ) );
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// nginx only allows HTTP/1.0 methods when redirecting from / to /index.php.
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// To work around this, we manually add index.php to the URL, avoiding the redirect.
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if ( 'index.php' !== substr( $url, 9 ) ) {
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$url .= 'index.php';
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}
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$url = add_query_arg( 'rest_route', $path, $url );
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}
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if ( is_ssl() && isset( $_SERVER['SERVER_NAME'] ) ) {
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// If the current host is the same as the REST URL host, force the REST URL scheme to HTTPS.
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if ( parse_url( get_home_url( $blog_id ), PHP_URL_HOST ) === $_SERVER['SERVER_NAME'] ) {
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$url = set_url_scheme( $url, 'https' );
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}
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}
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if ( is_admin() && force_ssl_admin() ) {
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/*
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* In this situation the home URL may be http:, and `is_ssl()` may be false,
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* but the admin is served over https: (one way or another), so REST API usage
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* will be blocked by browsers unless it is also served over HTTPS.
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*/
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$url = set_url_scheme( $url, 'https' );
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}
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/**
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* Filters the REST URL.
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*
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* Use this filter to adjust the url returned by the get_rest_url() function.
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*
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* @since 4.4.0
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*
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* @param string $url REST URL.
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* @param string $path REST route.
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* @param int $blog_id Blog ID.
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* @param string $scheme Sanitization scheme.
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*/
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return apply_filters( 'rest_url', $url, $path, $blog_id, $scheme );
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}
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/**
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* Retrieves the URL to a REST endpoint.
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*
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* Note: The returned URL is NOT escaped.
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*
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* @since 4.4.0
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*
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* @param string $path Optional. REST route. Default empty.
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* @param string $scheme Optional. Sanitization scheme. Default 'rest'.
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* @return string Full URL to the endpoint.
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*/
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function rest_url( $path = '', $scheme = 'rest' ) {
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return get_rest_url( null, $path, $scheme );
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}
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/**
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* Do a REST request.
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*
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* Used primarily to route internal requests through WP_REST_Server.
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*
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* @since 4.4.0
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*
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* @param WP_REST_Request|string $request Request.
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* @return WP_REST_Response REST response.
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*/
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function rest_do_request( $request ) {
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$request = rest_ensure_request( $request );
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return rest_get_server()->dispatch( $request );
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}
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/**
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* Retrieves the current REST server instance.
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*
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* Instantiates a new instance if none exists already.
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*
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* @since 4.5.0
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*
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* @global WP_REST_Server $wp_rest_server REST server instance.
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*
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* @return WP_REST_Server REST server instance.
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*/
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function rest_get_server() {
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/* @var WP_REST_Server $wp_rest_server */
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global $wp_rest_server;
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if ( empty( $wp_rest_server ) ) {
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/**
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* Filters the REST Server Class.
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*
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* This filter allows you to adjust the server class used by the API, using a
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* different class to handle requests.
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*
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* @since 4.4.0
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*
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* @param string $class_name The name of the server class. Default 'WP_REST_Server'.
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*/
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$wp_rest_server_class = apply_filters( 'wp_rest_server_class', 'WP_REST_Server' );
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$wp_rest_server = new $wp_rest_server_class;
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/**
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* Fires when preparing to serve an API request.
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*
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* Endpoint objects should be created and register their hooks on this action rather
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* than another action to ensure they're only loaded when needed.
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*
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* @since 4.4.0
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*
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* @param WP_REST_Server $wp_rest_server Server object.
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*/
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do_action( 'rest_api_init', $wp_rest_server );
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}
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return $wp_rest_server;
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}
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/**
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* Ensures request arguments are a request object (for consistency).
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*
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* @since 4.4.0
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* @since 5.3.0 Accept string argument for the request path.
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*
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* @param array|string|WP_REST_Request $request Request to check.
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* @return WP_REST_Request REST request instance.
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*/
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function rest_ensure_request( $request ) {
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if ( $request instanceof WP_REST_Request ) {
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return $request;
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}
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if ( is_string( $request ) ) {
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return new WP_REST_Request( 'GET', $request );
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}
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return new WP_REST_Request( 'GET', '', $request );
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}
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/**
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* Ensures a REST response is a response object (for consistency).
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*
|
|
* This implements WP_REST_Response, allowing usage of `set_status`/`header`/etc
|
|
* without needing to double-check the object. Will also allow WP_Error to indicate error
|
|
* responses, so users should immediately check for this value.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param WP_REST_Response|WP_Error|WP_HTTP_Response|mixed $response Response to check.
|
|
* @return WP_REST_Response|WP_Error If response generated an error, WP_Error, if response
|
|
* is already an instance, WP_REST_Response, otherwise
|
|
* returns a new WP_REST_Response instance.
|
|
*/
|
|
function rest_ensure_response( $response ) {
|
|
if ( is_wp_error( $response ) ) {
|
|
return $response;
|
|
}
|
|
|
|
if ( $response instanceof WP_REST_Response ) {
|
|
return $response;
|
|
}
|
|
|
|
// While WP_HTTP_Response is the base class of WP_REST_Response, it doesn't provide
|
|
// all the required methods used in WP_REST_Server::dispatch().
|
|
if ( $response instanceof WP_HTTP_Response ) {
|
|
return new WP_REST_Response(
|
|
$response->get_data(),
|
|
$response->get_status(),
|
|
$response->get_headers()
|
|
);
|
|
}
|
|
|
|
return new WP_REST_Response( $response );
|
|
}
|
|
|
|
/**
|
|
* Handles _deprecated_function() errors.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param string $function The function that was called.
|
|
* @param string $replacement The function that should have been called.
|
|
* @param string $version Version.
|
|
*/
|
|
function rest_handle_deprecated_function( $function, $replacement, $version ) {
|
|
if ( ! WP_DEBUG || headers_sent() ) {
|
|
return;
|
|
}
|
|
if ( ! empty( $replacement ) ) {
|
|
/* translators: 1: Function name, 2: WordPress version number, 3: New function name. */
|
|
$string = sprintf( __( '%1$s (since %2$s; use %3$s instead)' ), $function, $version, $replacement );
|
|
} else {
|
|
/* translators: 1: Function name, 2: WordPress version number. */
|
|
$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
|
|
}
|
|
|
|
header( sprintf( 'X-WP-DeprecatedFunction: %s', $string ) );
|
|
}
|
|
|
|
/**
|
|
* Handles _deprecated_argument() errors.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param string $function The function that was called.
|
|
* @param string $message A message regarding the change.
|
|
* @param string $version Version.
|
|
*/
|
|
function rest_handle_deprecated_argument( $function, $message, $version ) {
|
|
if ( ! WP_DEBUG || headers_sent() ) {
|
|
return;
|
|
}
|
|
if ( ! empty( $message ) ) {
|
|
/* translators: 1: Function name, 2: WordPress version number, 3: Error message. */
|
|
$string = sprintf( __( '%1$s (since %2$s; %3$s)' ), $function, $version, $message );
|
|
} else {
|
|
/* translators: 1: Function name, 2: WordPress version number. */
|
|
$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
|
|
}
|
|
|
|
header( sprintf( 'X-WP-DeprecatedParam: %s', $string ) );
|
|
}
|
|
|
|
/**
|
|
* Sends Cross-Origin Resource Sharing headers with API requests.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param mixed $value Response data.
|
|
* @return mixed Response data.
|
|
*/
|
|
function rest_send_cors_headers( $value ) {
|
|
$origin = get_http_origin();
|
|
|
|
if ( $origin ) {
|
|
// Requests from file:// and data: URLs send "Origin: null".
|
|
if ( 'null' !== $origin ) {
|
|
$origin = esc_url_raw( $origin );
|
|
}
|
|
header( 'Access-Control-Allow-Origin: ' . $origin );
|
|
header( 'Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE' );
|
|
header( 'Access-Control-Allow-Credentials: true' );
|
|
header( 'Vary: Origin', false );
|
|
} elseif ( ! headers_sent() && 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) {
|
|
header( 'Vary: Origin', false );
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Handles OPTIONS requests for the server.
|
|
*
|
|
* This is handled outside of the server code, as it doesn't obey normal route
|
|
* mapping.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param mixed $response Current response, either response or `null` to indicate pass-through.
|
|
* @param WP_REST_Server $handler ResponseHandler instance (usually WP_REST_Server).
|
|
* @param WP_REST_Request $request The request that was used to make current response.
|
|
* @return WP_REST_Response Modified response, either response or `null` to indicate pass-through.
|
|
*/
|
|
function rest_handle_options_request( $response, $handler, $request ) {
|
|
if ( ! empty( $response ) || $request->get_method() !== 'OPTIONS' ) {
|
|
return $response;
|
|
}
|
|
|
|
$response = new WP_REST_Response();
|
|
$data = array();
|
|
|
|
foreach ( $handler->get_routes() as $route => $endpoints ) {
|
|
$match = preg_match( '@^' . $route . '$@i', $request->get_route(), $matches );
|
|
|
|
if ( ! $match ) {
|
|
continue;
|
|
}
|
|
|
|
$args = array();
|
|
foreach ( $matches as $param => $value ) {
|
|
if ( ! is_int( $param ) ) {
|
|
$args[ $param ] = $value;
|
|
}
|
|
}
|
|
|
|
foreach ( $endpoints as $endpoint ) {
|
|
// Remove the redundant preg_match() argument.
|
|
unset( $args[0] );
|
|
|
|
$request->set_url_params( $args );
|
|
$request->set_attributes( $endpoint );
|
|
}
|
|
|
|
$data = $handler->get_data_for_route( $route, $endpoints, 'help' );
|
|
$response->set_matched_route( $route );
|
|
break;
|
|
}
|
|
|
|
$response->set_data( $data );
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Sends the "Allow" header to state all methods that can be sent to the current route.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param WP_REST_Response $response Current response being served.
|
|
* @param WP_REST_Server $server ResponseHandler instance (usually WP_REST_Server).
|
|
* @param WP_REST_Request $request The request that was used to make current response.
|
|
* @return WP_REST_Response Response to be served, with "Allow" header if route has allowed methods.
|
|
*/
|
|
function rest_send_allow_header( $response, $server, $request ) {
|
|
$matched_route = $response->get_matched_route();
|
|
|
|
if ( ! $matched_route ) {
|
|
return $response;
|
|
}
|
|
|
|
$routes = $server->get_routes();
|
|
|
|
$allowed_methods = array();
|
|
|
|
// Get the allowed methods across the routes.
|
|
foreach ( $routes[ $matched_route ] as $_handler ) {
|
|
foreach ( $_handler['methods'] as $handler_method => $value ) {
|
|
|
|
if ( ! empty( $_handler['permission_callback'] ) ) {
|
|
|
|
$permission = call_user_func( $_handler['permission_callback'], $request );
|
|
|
|
$allowed_methods[ $handler_method ] = true === $permission;
|
|
} else {
|
|
$allowed_methods[ $handler_method ] = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Strip out all the methods that are not allowed (false values).
|
|
$allowed_methods = array_filter( $allowed_methods );
|
|
|
|
if ( $allowed_methods ) {
|
|
$response->header( 'Allow', implode( ', ', array_map( 'strtoupper', array_keys( $allowed_methods ) ) ) );
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Recursively computes the intersection of arrays using keys for comparison.
|
|
*
|
|
* @since 5.3.0
|
|
*
|
|
* @param array $array1 The array with master keys to check.
|
|
* @param array $array2 An array to compare keys against.
|
|
* @return array An associative array containing all the entries of array1 which have keys
|
|
* that are present in all arguments.
|
|
*/
|
|
function _rest_array_intersect_key_recursive( $array1, $array2 ) {
|
|
$array1 = array_intersect_key( $array1, $array2 );
|
|
foreach ( $array1 as $key => $value ) {
|
|
if ( is_array( $value ) && is_array( $array2[ $key ] ) ) {
|
|
$array1[ $key ] = _rest_array_intersect_key_recursive( $value, $array2[ $key ] );
|
|
}
|
|
}
|
|
return $array1;
|
|
}
|
|
|
|
/**
|
|
* Filter the API response to include only a white-listed set of response object fields.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @param WP_REST_Response $response Current response being served.
|
|
* @param WP_REST_Server $server ResponseHandler instance (usually WP_REST_Server).
|
|
* @param WP_REST_Request $request The request that was used to make current response.
|
|
* @return WP_REST_Response Response to be served, trimmed down to contain a subset of fields.
|
|
*/
|
|
function rest_filter_response_fields( $response, $server, $request ) {
|
|
if ( ! isset( $request['_fields'] ) || $response->is_error() ) {
|
|
return $response;
|
|
}
|
|
|
|
$data = $response->get_data();
|
|
|
|
$fields = wp_parse_list( $request['_fields'] );
|
|
|
|
if ( 0 === count( $fields ) ) {
|
|
return $response;
|
|
}
|
|
|
|
// Trim off outside whitespace from the comma delimited list.
|
|
$fields = array_map( 'trim', $fields );
|
|
|
|
// Create nested array of accepted field hierarchy.
|
|
$fields_as_keyed = array();
|
|
foreach ( $fields as $field ) {
|
|
$parts = explode( '.', $field );
|
|
$ref = &$fields_as_keyed;
|
|
while ( count( $parts ) > 1 ) {
|
|
$next = array_shift( $parts );
|
|
if ( isset( $ref[ $next ] ) && true === $ref[ $next ] ) {
|
|
// Skip any sub-properties if their parent prop is already marked for inclusion.
|
|
break 2;
|
|
}
|
|
$ref[ $next ] = isset( $ref[ $next ] ) ? $ref[ $next ] : array();
|
|
$ref = &$ref[ $next ];
|
|
}
|
|
$last = array_shift( $parts );
|
|
$ref[ $last ] = true;
|
|
}
|
|
|
|
if ( wp_is_numeric_array( $data ) ) {
|
|
$new_data = array();
|
|
foreach ( $data as $item ) {
|
|
$new_data[] = _rest_array_intersect_key_recursive( $item, $fields_as_keyed );
|
|
}
|
|
} else {
|
|
$new_data = _rest_array_intersect_key_recursive( $data, $fields_as_keyed );
|
|
}
|
|
|
|
$response->set_data( $new_data );
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Given an array of fields to include in a response, some of which may be
|
|
* `nested.fields`, determine whether the provided field should be included
|
|
* in the response body.
|
|
*
|
|
* If a parent field is passed in, the presence of any nested field within
|
|
* that parent will cause the method to return `true`. For example "title"
|
|
* will return true if any of `title`, `title.raw` or `title.rendered` is
|
|
* provided.
|
|
*
|
|
* @since 5.3.0
|
|
*
|
|
* @param string $field A field to test for inclusion in the response body.
|
|
* @param array $fields An array of string fields supported by the endpoint.
|
|
* @return bool Whether to include the field or not.
|
|
*/
|
|
function rest_is_field_included( $field, $fields ) {
|
|
if ( in_array( $field, $fields, true ) ) {
|
|
return true;
|
|
}
|
|
|
|
foreach ( $fields as $accepted_field ) {
|
|
// Check to see if $field is the parent of any item in $fields.
|
|
// A field "parent" should be accepted if "parent.child" is accepted.
|
|
if ( strpos( $accepted_field, "$field." ) === 0 ) {
|
|
return true;
|
|
}
|
|
// Conversely, if "parent" is accepted, all "parent.child" fields
|
|
// should also be accepted.
|
|
if ( strpos( $field, "$accepted_field." ) === 0 ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Adds the REST API URL to the WP RSD endpoint.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @see get_rest_url()
|
|
*/
|
|
function rest_output_rsd() {
|
|
$api_root = get_rest_url();
|
|
|
|
if ( empty( $api_root ) ) {
|
|
return;
|
|
}
|
|
?>
|
|
<api name="WP-API" blogID="1" preferred="false" apiLink="<?php echo esc_url( $api_root ); ?>" />
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Outputs the REST API link tag into page header.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @see get_rest_url()
|
|
*/
|
|
function rest_output_link_wp_head() {
|
|
$api_root = get_rest_url();
|
|
|
|
if ( empty( $api_root ) ) {
|
|
return;
|
|
}
|
|
|
|
printf( '<link rel="https://api.w.org/" href="%s" />', esc_url( $api_root ) );
|
|
|
|
$resource = rest_get_queried_resource_route();
|
|
|
|
if ( $resource ) {
|
|
printf( '<link rel="alternate" type="application/json" href="%s" />', esc_url( rest_url( $resource ) ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sends a Link header for the REST API.
|
|
*
|
|
* @since 4.4.0
|
|
*/
|
|
function rest_output_link_header() {
|
|
if ( headers_sent() ) {
|
|
return;
|
|
}
|
|
|
|
$api_root = get_rest_url();
|
|
|
|
if ( empty( $api_root ) ) {
|
|
return;
|
|
}
|
|
|
|
header( sprintf( 'Link: <%s>; rel="https://api.w.org/"', esc_url_raw( $api_root ) ), false );
|
|
|
|
$resource = rest_get_queried_resource_route();
|
|
|
|
if ( $resource ) {
|
|
header( sprintf( 'Link: <%s>; rel="alternate"; type="application/json"', esc_url_raw( rest_url( $resource ) ) ), false );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks for errors when using cookie-based authentication.
|
|
*
|
|
* WordPress' built-in cookie authentication is always active
|
|
* for logged in users. However, the API has to check nonces
|
|
* for each request to ensure users are not vulnerable to CSRF.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @global mixed $wp_rest_auth_cookie
|
|
*
|
|
* @param WP_Error|mixed $result Error from another authentication handler,
|
|
* null if we should handle it, or another value if not.
|
|
* @return WP_Error|mixed|bool WP_Error if the cookie is invalid, the $result, otherwise true.
|
|
*/
|
|
function rest_cookie_check_errors( $result ) {
|
|
if ( ! empty( $result ) ) {
|
|
return $result;
|
|
}
|
|
|
|
global $wp_rest_auth_cookie;
|
|
|
|
/*
|
|
* Is cookie authentication being used? (If we get an auth
|
|
* error, but we're still logged in, another authentication
|
|
* must have been used).
|
|
*/
|
|
if ( true !== $wp_rest_auth_cookie && is_user_logged_in() ) {
|
|
return $result;
|
|
}
|
|
|
|
// Determine if there is a nonce.
|
|
$nonce = null;
|
|
|
|
if ( isset( $_REQUEST['_wpnonce'] ) ) {
|
|
$nonce = $_REQUEST['_wpnonce'];
|
|
} elseif ( isset( $_SERVER['HTTP_X_WP_NONCE'] ) ) {
|
|
$nonce = $_SERVER['HTTP_X_WP_NONCE'];
|
|
}
|
|
|
|
if ( null === $nonce ) {
|
|
// No nonce at all, so act as if it's an unauthenticated request.
|
|
wp_set_current_user( 0 );
|
|
return true;
|
|
}
|
|
|
|
// Check the nonce.
|
|
$result = wp_verify_nonce( $nonce, 'wp_rest' );
|
|
|
|
if ( ! $result ) {
|
|
return new WP_Error( 'rest_cookie_invalid_nonce', __( 'Cookie nonce is invalid' ), array( 'status' => 403 ) );
|
|
}
|
|
|
|
// Send a refreshed nonce in header.
|
|
rest_get_server()->send_header( 'X-WP-Nonce', wp_create_nonce( 'wp_rest' ) );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Collects cookie authentication status.
|
|
*
|
|
* Collects errors from wp_validate_auth_cookie for use by rest_cookie_check_errors.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @see current_action()
|
|
* @global mixed $wp_rest_auth_cookie
|
|
*/
|
|
function rest_cookie_collect_status() {
|
|
global $wp_rest_auth_cookie;
|
|
|
|
$status_type = current_action();
|
|
|
|
if ( 'auth_cookie_valid' !== $status_type ) {
|
|
$wp_rest_auth_cookie = substr( $status_type, 12 );
|
|
return;
|
|
}
|
|
|
|
$wp_rest_auth_cookie = true;
|
|
}
|
|
|
|
/**
|
|
* Parses an RFC3339 time into a Unix timestamp.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param string $date RFC3339 timestamp.
|
|
* @param bool $force_utc Optional. Whether to force UTC timezone instead of using
|
|
* the timestamp's timezone. Default false.
|
|
* @return int Unix timestamp.
|
|
*/
|
|
function rest_parse_date( $date, $force_utc = false ) {
|
|
if ( $force_utc ) {
|
|
$date = preg_replace( '/[+-]\d+:?\d+$/', '+00:00', $date );
|
|
}
|
|
|
|
$regex = '#^\d{4}-\d{2}-\d{2}[Tt ]\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}(?::\d{2})?)?$#';
|
|
|
|
if ( ! preg_match( $regex, $date, $matches ) ) {
|
|
return false;
|
|
}
|
|
|
|
return strtotime( $date );
|
|
}
|
|
|
|
/**
|
|
* Parses a 3 or 6 digit hex color (with #).
|
|
*
|
|
* @since 5.4.0
|
|
*
|
|
* @param string $color 3 or 6 digit hex color (with #).
|
|
* @return string|false
|
|
*/
|
|
function rest_parse_hex_color( $color ) {
|
|
$regex = '|^#([A-Fa-f0-9]{3}){1,2}$|';
|
|
if ( ! preg_match( $regex, $color, $matches ) ) {
|
|
return false;
|
|
}
|
|
|
|
return $color;
|
|
}
|
|
|
|
/**
|
|
* Parses a date into both its local and UTC equivalent, in MySQL datetime format.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @see rest_parse_date()
|
|
*
|
|
* @param string $date RFC3339 timestamp.
|
|
* @param bool $is_utc Whether the provided date should be interpreted as UTC. Default false.
|
|
* @return array|null Local and UTC datetime strings, in MySQL datetime format (Y-m-d H:i:s),
|
|
* null on failure.
|
|
*/
|
|
function rest_get_date_with_gmt( $date, $is_utc = false ) {
|
|
/*
|
|
* Whether or not the original date actually has a timezone string
|
|
* changes the way we need to do timezone conversion.
|
|
* Store this info before parsing the date, and use it later.
|
|
*/
|
|
$has_timezone = preg_match( '#(Z|[+-]\d{2}(:\d{2})?)$#', $date );
|
|
|
|
$date = rest_parse_date( $date );
|
|
|
|
if ( empty( $date ) ) {
|
|
return null;
|
|
}
|
|
|
|
/*
|
|
* At this point $date could either be a local date (if we were passed
|
|
* a *local* date without a timezone offset) or a UTC date (otherwise).
|
|
* Timezone conversion needs to be handled differently between these two cases.
|
|
*/
|
|
if ( ! $is_utc && ! $has_timezone ) {
|
|
$local = gmdate( 'Y-m-d H:i:s', $date );
|
|
$utc = get_gmt_from_date( $local );
|
|
} else {
|
|
$utc = gmdate( 'Y-m-d H:i:s', $date );
|
|
$local = get_date_from_gmt( $utc );
|
|
}
|
|
|
|
return array( $local, $utc );
|
|
}
|
|
|
|
/**
|
|
* Returns a contextual HTTP error code for authorization failure.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return integer 401 if the user is not logged in, 403 if the user is logged in.
|
|
*/
|
|
function rest_authorization_required_code() {
|
|
return is_user_logged_in() ? 403 : 401;
|
|
}
|
|
|
|
/**
|
|
* Validate a request argument based on details registered to the route.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param mixed $value
|
|
* @param WP_REST_Request $request
|
|
* @param string $param
|
|
* @return true|WP_Error
|
|
*/
|
|
function rest_validate_request_arg( $value, $request, $param ) {
|
|
$attributes = $request->get_attributes();
|
|
if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
|
|
return true;
|
|
}
|
|
$args = $attributes['args'][ $param ];
|
|
|
|
return rest_validate_value_from_schema( $value, $args, $param );
|
|
}
|
|
|
|
/**
|
|
* Sanitize a request argument based on details registered to the route.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param mixed $value
|
|
* @param WP_REST_Request $request
|
|
* @param string $param
|
|
* @return mixed
|
|
*/
|
|
function rest_sanitize_request_arg( $value, $request, $param ) {
|
|
$attributes = $request->get_attributes();
|
|
if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
|
|
return $value;
|
|
}
|
|
$args = $attributes['args'][ $param ];
|
|
|
|
return rest_sanitize_value_from_schema( $value, $args );
|
|
}
|
|
|
|
/**
|
|
* Parse a request argument based on details registered to the route.
|
|
*
|
|
* Runs a validation check and sanitizes the value, primarily to be used via
|
|
* the `sanitize_callback` arguments in the endpoint args registration.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param mixed $value
|
|
* @param WP_REST_Request $request
|
|
* @param string $param
|
|
* @return mixed
|
|
*/
|
|
function rest_parse_request_arg( $value, $request, $param ) {
|
|
$is_valid = rest_validate_request_arg( $value, $request, $param );
|
|
|
|
if ( is_wp_error( $is_valid ) ) {
|
|
return $is_valid;
|
|
}
|
|
|
|
$value = rest_sanitize_request_arg( $value, $request, $param );
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Determines if an IP address is valid.
|
|
*
|
|
* Handles both IPv4 and IPv6 addresses.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param string $ip IP address.
|
|
* @return string|false The valid IP address, otherwise false.
|
|
*/
|
|
function rest_is_ip_address( $ip ) {
|
|
$ipv4_pattern = '/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/';
|
|
|
|
if ( ! preg_match( $ipv4_pattern, $ip ) && ! Requests_IPv6::check_ipv6( $ip ) ) {
|
|
return false;
|
|
}
|
|
|
|
return $ip;
|
|
}
|
|
|
|
/**
|
|
* Changes a boolean-like value into the proper boolean value.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param bool|string|int $value The value being evaluated.
|
|
* @return boolean Returns the proper associated boolean value.
|
|
*/
|
|
function rest_sanitize_boolean( $value ) {
|
|
// String values are translated to `true`; make sure 'false' is false.
|
|
if ( is_string( $value ) ) {
|
|
$value = strtolower( $value );
|
|
if ( in_array( $value, array( 'false', '0' ), true ) ) {
|
|
$value = false;
|
|
}
|
|
}
|
|
|
|
// Everything else will map nicely to boolean.
|
|
return (bool) $value;
|
|
}
|
|
|
|
/**
|
|
* Determines if a given value is boolean-like.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param bool|string $maybe_bool The value being evaluated.
|
|
* @return boolean True if a boolean, otherwise false.
|
|
*/
|
|
function rest_is_boolean( $maybe_bool ) {
|
|
if ( is_bool( $maybe_bool ) ) {
|
|
return true;
|
|
}
|
|
|
|
if ( is_string( $maybe_bool ) ) {
|
|
$maybe_bool = strtolower( $maybe_bool );
|
|
|
|
$valid_boolean_values = array(
|
|
'false',
|
|
'true',
|
|
'0',
|
|
'1',
|
|
);
|
|
|
|
return in_array( $maybe_bool, $valid_boolean_values, true );
|
|
}
|
|
|
|
if ( is_int( $maybe_bool ) ) {
|
|
return in_array( $maybe_bool, array( 0, 1 ), true );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the avatar urls in various sizes.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @see get_avatar_url()
|
|
*
|
|
* @param mixed $id_or_email The Gravatar to retrieve a URL for. Accepts a user_id, gravatar md5 hash,
|
|
* user email, WP_User object, WP_Post object, or WP_Comment object.
|
|
* @return array Avatar URLs keyed by size. Each value can be a URL string or boolean false.
|
|
*/
|
|
function rest_get_avatar_urls( $id_or_email ) {
|
|
$avatar_sizes = rest_get_avatar_sizes();
|
|
|
|
$urls = array();
|
|
foreach ( $avatar_sizes as $size ) {
|
|
$urls[ $size ] = get_avatar_url( $id_or_email, array( 'size' => $size ) );
|
|
}
|
|
|
|
return $urls;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the pixel sizes for avatars.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return int[] List of pixel sizes for avatars. Default `[ 24, 48, 96 ]`.
|
|
*/
|
|
function rest_get_avatar_sizes() {
|
|
/**
|
|
* Filters the REST avatar sizes.
|
|
*
|
|
* Use this filter to adjust the array of sizes returned by the
|
|
* `rest_get_avatar_sizes` function.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param int[] $sizes An array of int values that are the pixel sizes for avatars.
|
|
* Default `[ 24, 48, 96 ]`.
|
|
*/
|
|
return apply_filters( 'rest_avatar_sizes', array( 24, 48, 96 ) );
|
|
}
|
|
|
|
/**
|
|
* Validate a value based on a schema.
|
|
*
|
|
* @since 4.7.0
|
|
* @since 4.9.0 Support the "object" type.
|
|
* @since 5.2.0 Support validating "additionalProperties" against a schema.
|
|
* @since 5.3.0 Support multiple types.
|
|
* @since 5.4.0 Convert an empty string to an empty object.
|
|
* @since 5.5.0 Add the "uuid" and "hex-color" formats.
|
|
* Support the "minLength", "maxLength" and "pattern" keywords for strings.
|
|
* Validate required properties.
|
|
* Support the "minItems" and "maxItems" keywords for arrays.
|
|
*
|
|
* @param mixed $value The value to validate.
|
|
* @param array $args Schema array to use for validation.
|
|
* @param string $param The parameter name, used in error messages.
|
|
* @return true|WP_Error
|
|
*/
|
|
function rest_validate_value_from_schema( $value, $args, $param = '' ) {
|
|
if ( is_array( $args['type'] ) ) {
|
|
foreach ( $args['type'] as $type ) {
|
|
$type_args = $args;
|
|
$type_args['type'] = $type;
|
|
|
|
if ( true === rest_validate_value_from_schema( $value, $type_args, $param ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/* translators: 1: Parameter, 2: List of types. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, implode( ',', $args['type'] ) ) );
|
|
}
|
|
|
|
if ( 'array' === $args['type'] ) {
|
|
if ( ! is_null( $value ) ) {
|
|
$value = wp_parse_list( $value );
|
|
}
|
|
|
|
if ( ! wp_is_numeric_array( $value ) ) {
|
|
/* translators: 1: Parameter, 2: Type name. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'array' ) );
|
|
}
|
|
|
|
foreach ( $value as $index => $v ) {
|
|
$is_valid = rest_validate_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' );
|
|
if ( is_wp_error( $is_valid ) ) {
|
|
return $is_valid;
|
|
}
|
|
}
|
|
|
|
if ( isset( $args['minItems'] ) && count( $value ) < $args['minItems'] ) {
|
|
/* translators: 1: Parameter, 2: Number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must contain at least %2$s items.' ), $param, number_format_i18n( $args['minItems'] ) ) );
|
|
}
|
|
|
|
if ( isset( $args['maxItems'] ) && count( $value ) > $args['maxItems'] ) {
|
|
/* translators: 1: Parameter, 2: Number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must contain at most %2$s items.' ), $param, number_format_i18n( $args['maxItems'] ) ) );
|
|
}
|
|
}
|
|
|
|
if ( 'object' === $args['type'] ) {
|
|
if ( '' === $value ) {
|
|
$value = array();
|
|
}
|
|
|
|
if ( $value instanceof stdClass ) {
|
|
$value = (array) $value;
|
|
}
|
|
|
|
if ( $value instanceof JsonSerializable ) {
|
|
$value = $value->jsonSerialize();
|
|
}
|
|
|
|
if ( ! is_array( $value ) ) {
|
|
/* translators: 1: Parameter, 2: Type name. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'object' ) );
|
|
}
|
|
|
|
if ( isset( $args['required'] ) && is_array( $args['required'] ) ) { // schema version 4
|
|
foreach ( $args['required'] as $name ) {
|
|
if ( ! array_key_exists( $name, $value ) ) {
|
|
/* translators: 1: Property of an object, 2: Parameter. */
|
|
return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) );
|
|
}
|
|
}
|
|
} elseif ( isset( $args['properties'] ) ) { // schema version 3
|
|
foreach ( $args['properties'] as $name => $property ) {
|
|
if ( isset( $property['required'] ) && true === $property['required'] && ! array_key_exists( $name, $value ) ) {
|
|
/* translators: 1: Property of an object, 2: Parameter. */
|
|
return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ( $value as $property => $v ) {
|
|
if ( isset( $args['properties'][ $property ] ) ) {
|
|
$is_valid = rest_validate_value_from_schema( $v, $args['properties'][ $property ], $param . '[' . $property . ']' );
|
|
if ( is_wp_error( $is_valid ) ) {
|
|
return $is_valid;
|
|
}
|
|
} elseif ( isset( $args['additionalProperties'] ) ) {
|
|
if ( false === $args['additionalProperties'] ) {
|
|
/* translators: %s: Property of an object. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
|
|
}
|
|
|
|
if ( is_array( $args['additionalProperties'] ) ) {
|
|
$is_valid = rest_validate_value_from_schema( $v, $args['additionalProperties'], $param . '[' . $property . ']' );
|
|
if ( is_wp_error( $is_valid ) ) {
|
|
return $is_valid;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( 'null' === $args['type'] ) {
|
|
if ( null !== $value ) {
|
|
/* translators: 1: Parameter, 2: Type name. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'null' ) );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
if ( ! empty( $args['enum'] ) ) {
|
|
if ( ! in_array( $value, $args['enum'], true ) ) {
|
|
/* translators: 1: Parameter, 2: List of valid values. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not one of %2$s.' ), $param, implode( ', ', $args['enum'] ) ) );
|
|
}
|
|
}
|
|
|
|
if ( in_array( $args['type'], array( 'integer', 'number' ), true ) && ! is_numeric( $value ) ) {
|
|
/* translators: 1: Parameter, 2: Type name. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, $args['type'] ) );
|
|
}
|
|
|
|
if ( 'integer' === $args['type'] && round( floatval( $value ) ) !== floatval( $value ) ) {
|
|
/* translators: 1: Parameter, 2: Type name. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'integer' ) );
|
|
}
|
|
|
|
if ( 'boolean' === $args['type'] && ! rest_is_boolean( $value ) ) {
|
|
/* translators: 1: Parameter, 2: Type name. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'boolean' ) );
|
|
}
|
|
|
|
if ( 'string' === $args['type'] ) {
|
|
if ( ! is_string( $value ) ) {
|
|
/* translators: 1: Parameter, 2: Type name. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'string' ) );
|
|
}
|
|
|
|
if ( isset( $args['minLength'] ) && mb_strlen( $value ) < $args['minLength'] ) {
|
|
return new WP_Error(
|
|
'rest_invalid_param',
|
|
sprintf(
|
|
/* translators: 1: Parameter, 2: Number of characters. */
|
|
_n( '%1$s must be at least %2$s character long.', '%1$s must be at least %2$s characters long.', $args['minLength'] ),
|
|
$param,
|
|
number_format_i18n( $args['minLength'] )
|
|
)
|
|
);
|
|
}
|
|
|
|
if ( isset( $args['maxLength'] ) && mb_strlen( $value ) > $args['maxLength'] ) {
|
|
return new WP_Error(
|
|
'rest_invalid_param',
|
|
sprintf(
|
|
/* translators: 1: Parameter, 2: Number of characters. */
|
|
_n( '%1$s must be at most %2$s character long.', '%1$s must be at most %2$s characters long.', $args['maxLength'] ),
|
|
$param,
|
|
number_format_i18n( $args['maxLength'] )
|
|
)
|
|
);
|
|
}
|
|
|
|
if ( isset( $args['pattern'] ) ) {
|
|
$pattern = str_replace( '#', '\\#', $args['pattern'] );
|
|
if ( ! preg_match( '#' . $pattern . '#u', $value ) ) {
|
|
/* translators: 1: Parameter, 2: Pattern. */
|
|
return new WP_Error( 'rest_invalid_pattern', sprintf( __( '%1$s does not match pattern %2$s.' ), $param, $args['pattern'] ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( isset( $args['format'] ) ) {
|
|
switch ( $args['format'] ) {
|
|
case 'hex-color':
|
|
if ( ! rest_parse_hex_color( $value ) ) {
|
|
return new WP_Error( 'rest_invalid_hex_color', __( 'Invalid hex color.' ) );
|
|
}
|
|
break;
|
|
|
|
case 'date-time':
|
|
if ( ! rest_parse_date( $value ) ) {
|
|
return new WP_Error( 'rest_invalid_date', __( 'Invalid date.' ) );
|
|
}
|
|
break;
|
|
|
|
case 'email':
|
|
if ( ! is_email( $value ) ) {
|
|
return new WP_Error( 'rest_invalid_email', __( 'Invalid email address.' ) );
|
|
}
|
|
break;
|
|
case 'ip':
|
|
if ( ! rest_is_ip_address( $value ) ) {
|
|
/* translators: %s: IP address. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%s is not a valid IP address.' ), $param ) );
|
|
}
|
|
break;
|
|
case 'uuid':
|
|
if ( ! wp_is_uuid( $value ) ) {
|
|
/* translators: %s is the name of a JSON field expecting a valid uuid. */
|
|
return new WP_Error( 'rest_invalid_uuid', sprintf( __( '%s is not a valid UUID.' ), $param ) );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( in_array( $args['type'], array( 'number', 'integer' ), true ) && ( isset( $args['minimum'] ) || isset( $args['maximum'] ) ) ) {
|
|
if ( isset( $args['minimum'] ) && ! isset( $args['maximum'] ) ) {
|
|
if ( ! empty( $args['exclusiveMinimum'] ) && $value <= $args['minimum'] ) {
|
|
/* translators: 1: Parameter, 2: Minimum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than %2$d' ), $param, $args['minimum'] ) );
|
|
} elseif ( empty( $args['exclusiveMinimum'] ) && $value < $args['minimum'] ) {
|
|
/* translators: 1: Parameter, 2: Minimum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than or equal to %2$d' ), $param, $args['minimum'] ) );
|
|
}
|
|
} elseif ( isset( $args['maximum'] ) && ! isset( $args['minimum'] ) ) {
|
|
if ( ! empty( $args['exclusiveMaximum'] ) && $value >= $args['maximum'] ) {
|
|
/* translators: 1: Parameter, 2: Maximum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than %2$d' ), $param, $args['maximum'] ) );
|
|
} elseif ( empty( $args['exclusiveMaximum'] ) && $value > $args['maximum'] ) {
|
|
/* translators: 1: Parameter, 2: Maximum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than or equal to %2$d' ), $param, $args['maximum'] ) );
|
|
}
|
|
} elseif ( isset( $args['maximum'] ) && isset( $args['minimum'] ) ) {
|
|
if ( ! empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
|
|
if ( $value >= $args['maximum'] || $value <= $args['minimum'] ) {
|
|
/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
|
|
}
|
|
} elseif ( empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
|
|
if ( $value >= $args['maximum'] || $value < $args['minimum'] ) {
|
|
/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
|
|
}
|
|
} elseif ( ! empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
|
|
if ( $value > $args['maximum'] || $value <= $args['minimum'] ) {
|
|
/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
|
|
}
|
|
} elseif ( empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
|
|
if ( $value > $args['maximum'] || $value < $args['minimum'] ) {
|
|
/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sanitize a value based on a schema.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param mixed $value The value to sanitize.
|
|
* @param array $args Schema array to use for sanitization.
|
|
* @return true|WP_Error
|
|
*/
|
|
function rest_sanitize_value_from_schema( $value, $args ) {
|
|
if ( is_array( $args['type'] ) ) {
|
|
// Determine which type the value was validated against,
|
|
// and use that type when performing sanitization.
|
|
$validated_type = '';
|
|
|
|
foreach ( $args['type'] as $type ) {
|
|
$type_args = $args;
|
|
$type_args['type'] = $type;
|
|
|
|
if ( ! is_wp_error( rest_validate_value_from_schema( $value, $type_args ) ) ) {
|
|
$validated_type = $type;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( ! $validated_type ) {
|
|
return null;
|
|
}
|
|
|
|
$args['type'] = $validated_type;
|
|
}
|
|
|
|
if ( 'array' === $args['type'] ) {
|
|
if ( empty( $args['items'] ) ) {
|
|
return (array) $value;
|
|
}
|
|
|
|
$value = wp_parse_list( $value );
|
|
foreach ( $value as $index => $v ) {
|
|
$value[ $index ] = rest_sanitize_value_from_schema( $v, $args['items'] );
|
|
}
|
|
|
|
// Normalize to numeric array so nothing unexpected is in the keys.
|
|
$value = array_values( $value );
|
|
return $value;
|
|
}
|
|
|
|
if ( 'object' === $args['type'] ) {
|
|
if ( $value instanceof stdClass ) {
|
|
$value = (array) $value;
|
|
}
|
|
|
|
if ( $value instanceof JsonSerializable ) {
|
|
$value = $value->jsonSerialize();
|
|
}
|
|
|
|
if ( ! is_array( $value ) ) {
|
|
return array();
|
|
}
|
|
|
|
foreach ( $value as $property => $v ) {
|
|
if ( isset( $args['properties'][ $property ] ) ) {
|
|
$value[ $property ] = rest_sanitize_value_from_schema( $v, $args['properties'][ $property ] );
|
|
} elseif ( isset( $args['additionalProperties'] ) ) {
|
|
if ( false === $args['additionalProperties'] ) {
|
|
unset( $value[ $property ] );
|
|
} elseif ( is_array( $args['additionalProperties'] ) ) {
|
|
$value[ $property ] = rest_sanitize_value_from_schema( $v, $args['additionalProperties'] );
|
|
}
|
|
}
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
if ( 'null' === $args['type'] ) {
|
|
return null;
|
|
}
|
|
|
|
if ( 'integer' === $args['type'] ) {
|
|
return (int) $value;
|
|
}
|
|
|
|
if ( 'number' === $args['type'] ) {
|
|
return (float) $value;
|
|
}
|
|
|
|
if ( 'boolean' === $args['type'] ) {
|
|
return rest_sanitize_boolean( $value );
|
|
}
|
|
|
|
if ( isset( $args['format'] ) ) {
|
|
switch ( $args['format'] ) {
|
|
case 'hex-color':
|
|
return (string) sanitize_hex_color( $value );
|
|
|
|
case 'date-time':
|
|
return sanitize_text_field( $value );
|
|
|
|
case 'email':
|
|
// sanitize_email() validates, which would be unexpected.
|
|
return sanitize_text_field( $value );
|
|
|
|
case 'uri':
|
|
return esc_url_raw( $value );
|
|
|
|
case 'ip':
|
|
return sanitize_text_field( $value );
|
|
|
|
case 'uuid':
|
|
return sanitize_text_field( $value );
|
|
}
|
|
}
|
|
|
|
if ( 'string' === $args['type'] ) {
|
|
return strval( $value );
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Append result of internal request to REST API for purpose of preloading data to be attached to a page.
|
|
* Expected to be called in the context of `array_reduce`.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $memo Reduce accumulator.
|
|
* @param string $path REST API path to preload.
|
|
* @return array Modified reduce accumulator.
|
|
*/
|
|
function rest_preload_api_request( $memo, $path ) {
|
|
// array_reduce() doesn't support passing an array in PHP 5.2,
|
|
// so we need to make sure we start with one.
|
|
if ( ! is_array( $memo ) ) {
|
|
$memo = array();
|
|
}
|
|
|
|
if ( empty( $path ) ) {
|
|
return $memo;
|
|
}
|
|
|
|
$method = 'GET';
|
|
if ( is_array( $path ) && 2 === count( $path ) ) {
|
|
$method = end( $path );
|
|
$path = reset( $path );
|
|
|
|
if ( ! in_array( $method, array( 'GET', 'OPTIONS' ), true ) ) {
|
|
$method = 'GET';
|
|
}
|
|
}
|
|
|
|
$path_parts = parse_url( $path );
|
|
if ( false === $path_parts ) {
|
|
return $memo;
|
|
}
|
|
|
|
$request = new WP_REST_Request( $method, $path_parts['path'] );
|
|
if ( ! empty( $path_parts['query'] ) ) {
|
|
parse_str( $path_parts['query'], $query_params );
|
|
$request->set_query_params( $query_params );
|
|
}
|
|
|
|
$response = rest_do_request( $request );
|
|
if ( 200 === $response->status ) {
|
|
$server = rest_get_server();
|
|
$data = (array) $response->get_data();
|
|
$links = $server::get_compact_response_links( $response );
|
|
if ( ! empty( $links ) ) {
|
|
$data['_links'] = $links;
|
|
}
|
|
|
|
if ( 'OPTIONS' === $method ) {
|
|
$response = rest_send_allow_header( $response, $server, $request );
|
|
|
|
$memo[ $method ][ $path ] = array(
|
|
'body' => $data,
|
|
'headers' => $response->headers,
|
|
);
|
|
} else {
|
|
$memo[ $path ] = array(
|
|
'body' => $data,
|
|
'headers' => $response->headers,
|
|
);
|
|
}
|
|
}
|
|
|
|
return $memo;
|
|
}
|
|
|
|
/**
|
|
* Parses the "_embed" parameter into the list of resources to embed.
|
|
*
|
|
* @since 5.4.0
|
|
*
|
|
* @param string|array $embed Raw "_embed" parameter value.
|
|
* @return true|string[] Either true to embed all embeds, or a list of relations to embed.
|
|
*/
|
|
function rest_parse_embed_param( $embed ) {
|
|
if ( ! $embed || 'true' === $embed || '1' === $embed ) {
|
|
return true;
|
|
}
|
|
|
|
$rels = wp_parse_list( $embed );
|
|
|
|
if ( ! $rels ) {
|
|
return true;
|
|
}
|
|
|
|
return $rels;
|
|
}
|
|
|
|
/**
|
|
* Filters the response to remove any fields not available in the given context.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param array|object $data The response data to modify.
|
|
* @param array $schema The schema for the endpoint used to filter the response.
|
|
* @param string $context The requested context.
|
|
* @return array|object The filtered response data.
|
|
*/
|
|
function rest_filter_response_by_context( $data, $schema, $context ) {
|
|
if ( ! is_array( $data ) && ! is_object( $data ) ) {
|
|
return $data;
|
|
}
|
|
|
|
if ( isset( $schema['type'] ) ) {
|
|
$type = $schema['type'];
|
|
} elseif ( isset( $schema['properties'] ) ) {
|
|
$type = 'object'; // Back compat if a developer accidentally omitted the type.
|
|
} else {
|
|
return $data;
|
|
}
|
|
|
|
foreach ( $data as $key => $value ) {
|
|
$check = array();
|
|
|
|
if ( 'array' === $type || ( is_array( $type ) && in_array( 'array', $type, true ) ) ) {
|
|
$check = isset( $schema['items'] ) ? $schema['items'] : array();
|
|
} elseif ( 'object' === $type || ( is_array( $type ) && in_array( 'object', $type, true ) ) ) {
|
|
if ( isset( $schema['properties'][ $key ] ) ) {
|
|
$check = $schema['properties'][ $key ];
|
|
} elseif ( isset( $schema['additionalProperties'] ) && is_array( $schema['additionalProperties'] ) ) {
|
|
$check = $schema['additionalProperties'];
|
|
}
|
|
}
|
|
|
|
if ( ! isset( $check['context'] ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( ! in_array( $context, $check['context'], true ) ) {
|
|
if ( is_object( $data ) ) {
|
|
unset( $data->$key );
|
|
} else {
|
|
unset( $data[ $key ] );
|
|
}
|
|
} elseif ( is_array( $value ) || is_object( $value ) ) {
|
|
$new_value = rest_filter_response_by_context( $value, $check, $context );
|
|
|
|
if ( is_object( $data ) ) {
|
|
$data->$key = $new_value;
|
|
} else {
|
|
$data[ $key ] = $new_value;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Sets the "additionalProperties" to false by default for all object definitions in the schema.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param array $schema The schema to modify.
|
|
* @return array The modified schema.
|
|
*/
|
|
function rest_default_additional_properties_to_false( $schema ) {
|
|
$type = (array) $schema['type'];
|
|
|
|
if ( in_array( 'object', $type, true ) ) {
|
|
if ( isset( $schema['properties'] ) ) {
|
|
foreach ( $schema['properties'] as $key => $child_schema ) {
|
|
$schema['properties'][ $key ] = rest_default_additional_properties_to_false( $child_schema );
|
|
}
|
|
}
|
|
|
|
if ( ! isset( $schema['additionalProperties'] ) ) {
|
|
$schema['additionalProperties'] = false;
|
|
}
|
|
}
|
|
|
|
if ( in_array( 'array', $type, true ) ) {
|
|
if ( isset( $schema['items'] ) ) {
|
|
$schema['items'] = rest_default_additional_properties_to_false( $schema['items'] );
|
|
}
|
|
}
|
|
|
|
return $schema;
|
|
}
|
|
|
|
/**
|
|
* Gets the REST API route for a post.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param int|WP_Post $post Post ID or post object.
|
|
* @return string The route path with a leading slash for the given post, or an empty string if there is not a route.
|
|
*/
|
|
function rest_get_route_for_post( $post ) {
|
|
$post = get_post( $post );
|
|
|
|
if ( ! $post instanceof WP_Post ) {
|
|
return '';
|
|
}
|
|
|
|
$post_type = get_post_type_object( $post->post_type );
|
|
if ( ! $post_type ) {
|
|
return '';
|
|
}
|
|
|
|
$controller = $post_type->get_rest_controller();
|
|
if ( ! $controller ) {
|
|
return '';
|
|
}
|
|
|
|
$route = '';
|
|
|
|
// The only two controllers that we can detect are the Attachments and Posts controllers.
|
|
if ( in_array( get_class( $controller ), array( 'WP_REST_Attachments_Controller', 'WP_REST_Posts_Controller' ), true ) ) {
|
|
$namespace = 'wp/v2';
|
|
$rest_base = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
|
|
$route = sprintf( '/%s/%s/%d', $namespace, $rest_base, $post->ID );
|
|
}
|
|
|
|
/**
|
|
* Filters the REST API route for a post.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param string $route The route path.
|
|
* @param WP_Post $post The post object.
|
|
*/
|
|
return apply_filters( 'rest_route_for_post', $route, $post );
|
|
}
|
|
|
|
/**
|
|
* Gets the REST API route for a term.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param int|WP_Term $term Term ID or term object.
|
|
* @return string The route path with a leading slash for the given term, or an empty string if there is not a route.
|
|
*/
|
|
function rest_get_route_for_term( $term ) {
|
|
$term = get_term( $term );
|
|
|
|
if ( ! $term instanceof WP_Term ) {
|
|
return '';
|
|
}
|
|
|
|
$taxonomy = get_taxonomy( $term->taxonomy );
|
|
if ( ! $taxonomy ) {
|
|
return '';
|
|
}
|
|
|
|
$controller = $taxonomy->get_rest_controller();
|
|
if ( ! $controller ) {
|
|
return '';
|
|
}
|
|
|
|
$route = '';
|
|
|
|
// The only controller that works is the Terms controller.
|
|
if ( 'WP_REST_Terms_Controller' === get_class( $controller ) ) {
|
|
$namespace = 'wp/v2';
|
|
$rest_base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
|
|
$route = sprintf( '/%s/%s/%d', $namespace, $rest_base, $term->term_id );
|
|
}
|
|
|
|
/**
|
|
* Filters the REST API route for a term.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param string $route The route path.
|
|
* @param WP_Term $term The term object.
|
|
*/
|
|
return apply_filters( 'rest_route_for_term', $route, $term );
|
|
}
|
|
|
|
/**
|
|
* Gets the REST route for the currently queried object.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @return string The REST route of the resource, or an empty string if no resource identified.
|
|
*/
|
|
function rest_get_queried_resource_route() {
|
|
if ( is_singular() ) {
|
|
$route = rest_get_route_for_post( get_queried_object() );
|
|
} elseif ( is_category() || is_tag() || is_tax() ) {
|
|
$route = rest_get_route_for_term( get_queried_object() );
|
|
} elseif ( is_author() ) {
|
|
$route = '/wp/v2/users/' . get_queried_object_id();
|
|
} else {
|
|
$route = '';
|
|
}
|
|
|
|
/**
|
|
* Filters the REST route for the currently queried object.
|
|
*
|
|
* @since 5.5.0
|
|
*
|
|
* @param string $link The route with a leading slash, or an empty string.
|
|
*/
|
|
return apply_filters( 'rest_queried_resource_route', $route );
|
|
}
|