1300 lines
38 KiB
PHP
1300 lines
38 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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* @since 4.4.0
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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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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 = '/' . trim( $namespace, '/' ) . '/' . trim( $route, '/' );
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rest_get_server()->register_route( $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 string|array|null $get_callback Optional. The callback function used to retrieve the field
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* value. Default is 'null', the field will not be returned in
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* the response.
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* @type string|array|null $update_callback Optional. The callback function used to set and update the
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* field value. Default is 'null', the value cannot be set or
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* updated.
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* @type string|array|null $schema Optional. The callback function used to create the schema for
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* this field. 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
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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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// 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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// 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 $post_type ) {
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$class = ! empty( $post_type->rest_controller_class ) ? $post_type->rest_controller_class : 'WP_REST_Posts_Controller';
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if ( ! class_exists( $class ) ) {
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continue;
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}
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$controller = new $class( $post_type->name );
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if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
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continue;
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}
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$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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}
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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 $taxonomy ) {
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$class = ! empty( $taxonomy->rest_controller_class ) ? $taxonomy->rest_controller_class : 'WP_REST_Terms_Controller';
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if ( ! class_exists( $class ) ) {
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continue;
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}
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$controller = new $class( $taxonomy->name );
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if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
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continue;
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}
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$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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// 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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}
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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
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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() ) {
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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 ( $_SERVER['SERVER_NAME'] === parse_url( get_home_url( $blog_id ), PHP_URL_HOST ) ) {
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$url = set_url_scheme( $url, 'https' );
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}
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}
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if ( is_admin() && force_ssl_admin() ) {
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// In this situation the home URL may be http:, and `is_ssl()` may be
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// false, but the admin is served over https: (one way or another), so
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// REST API usage will be blocked by browsers unless it is also served
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// over HTTPS.
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$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 'json'.
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* @return string Full URL to the endpoint.
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*/
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function rest_url( $path = '', $scheme = 'json' ) {
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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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*
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* @param array|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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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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*
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* This implements WP_HTTP_Response, allowing usage of `set_status`/`header`/etc
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* without needing to double-check the object. Will also allow WP_Error to indicate error
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* responses, so users should immediately check for this value.
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*
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* @since 4.4.0
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*
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* @param WP_Error|WP_HTTP_Response|mixed $response Response to check.
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* @return WP_REST_Response|mixed If response generated an error, WP_Error, if response
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* is already an instance, WP_HTTP_Response, otherwise
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* returns a new WP_REST_Response instance.
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*/
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function rest_ensure_response( $response ) {
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if ( is_wp_error( $response ) ) {
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return $response;
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}
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if ( $response instanceof WP_HTTP_Response ) {
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return $response;
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}
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return new WP_REST_Response( $response );
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}
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/**
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* Handles _deprecated_function() errors.
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*
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* @since 4.4.0
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*
|
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* @param string $function The function that was called.
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* @param string $replacement The function that should have been called.
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* @param string $version Version.
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*/
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function rest_handle_deprecated_function( $function, $replacement, $version ) {
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if ( ! WP_DEBUG || headers_sent() ) {
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return;
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}
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if ( ! empty( $replacement ) ) {
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/* translators: 1: function name, 2: WordPress version number, 3: new function name */
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$string = sprintf( __( '%1$s (since %2$s; use %3$s instead)' ), $function, $version, $replacement );
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} else {
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/* translators: 1: function name, 2: WordPress version number */
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$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
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}
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header( sprintf( 'X-WP-DeprecatedFunction: %s', $string ) );
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}
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|
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/**
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* Handles _deprecated_argument() errors.
|
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*
|
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* @since 4.4.0
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*
|
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* @param string $function The function that was called.
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* @param string $message A message regarding the change.
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* @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' );
|
|
}
|
|
|
|
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() );
|
|
|
|
if ( ! $match ) {
|
|
continue;
|
|
}
|
|
|
|
$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;
|
|
}
|
|
|
|
/**
|
|
* 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 = is_array( $request['_fields'] ) ? $request['_fields'] : preg_split( '/[\s,]+/', $request['_fields'] );
|
|
|
|
if ( 0 === count( $fields ) ) {
|
|
return $response;
|
|
}
|
|
|
|
// Trim off outside whitespace from the comma delimited list.
|
|
$fields = array_map( 'trim', $fields );
|
|
|
|
$fields_as_keyed = array_combine( $fields, array_fill( 0, count( $fields ), true ) );
|
|
|
|
if ( wp_is_numeric_array( $data ) ) {
|
|
$new_data = array();
|
|
foreach ( $data as $item ) {
|
|
$new_data[] = array_intersect_key( $item, $fields_as_keyed );
|
|
}
|
|
} else {
|
|
$new_data = array_intersect_key( $data, $fields_as_keyed );
|
|
}
|
|
|
|
$response->set_data( $new_data );
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
echo "<link rel='https://api.w.org/' href='" . esc_url( $api_root ) . "' />\n";
|
|
}
|
|
|
|
/**
|
|
* 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( 'Link: <' . esc_url_raw( $api_root ) . '>; rel="https://api.w.org/"', 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 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 = date( 'Y-m-d H:i:s', $date );
|
|
$utc = get_gmt_from_date( $local );
|
|
} else {
|
|
$utc = date( '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 WP_Error|boolean
|
|
*/
|
|
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 based on a given email address.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @see get_avatar_url()
|
|
*
|
|
* @param string $email Email address.
|
|
* @return array $urls Gravatar url for each size.
|
|
*/
|
|
function rest_get_avatar_urls( $email ) {
|
|
$avatar_sizes = rest_get_avatar_sizes();
|
|
|
|
$urls = array();
|
|
foreach ( $avatar_sizes as $size ) {
|
|
$urls[ $size ] = get_avatar_url( $email, array( 'size' => $size ) );
|
|
}
|
|
|
|
return $urls;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the pixel sizes for avatars.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return array 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 array $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
|
|
*
|
|
* @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 ( 'array' === $args['type'] ) {
|
|
if ( ! is_array( $value ) ) {
|
|
$value = preg_split( '/[\s,]+/', $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 ( 'object' === $args['type'] ) {
|
|
if ( $value instanceof stdClass ) {
|
|
$value = (array) $value;
|
|
}
|
|
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' ) );
|
|
}
|
|
|
|
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'] ) && false === $args['additionalProperties'] ) {
|
|
return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
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' ) ) && ! 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.' ), $value, 'boolean' ) );
|
|
}
|
|
|
|
if ( 'string' === $args['type'] && ! 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['format'] ) ) {
|
|
switch ( $args['format'] ) {
|
|
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.' ), $value ) );
|
|
}
|
|
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 ( 'array' === $args['type'] ) {
|
|
if ( empty( $args['items'] ) ) {
|
|
return (array) $value;
|
|
}
|
|
if ( ! is_array( $value ) ) {
|
|
$value = preg_split( '/[\s,]+/', $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 ( ! 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'] ) && false === $args['additionalProperties'] ) {
|
|
unset( $value[ $property ] );
|
|
}
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
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 '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 );
|
|
}
|
|
}
|
|
|
|
if ( 'string' === $args['type'] ) {
|
|
return strval( $value );
|
|
}
|
|
|
|
return $value;
|
|
}
|