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aaf99e6913
WordPress' code just... wasn't. This is now dealt with. Props jrf, pento, netweb, GaryJ, jdgrimes, westonruter, Greg Sherwood from PHPCS, and everyone who's ever contributed to WPCS and PHPCS. Fixes #41057. Built from https://develop.svn.wordpress.org/trunk@42343 git-svn-id: http://core.svn.wordpress.org/trunk@42172 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1296 lines
38 KiB
PHP
1296 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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}
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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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|
}
|
|
|
|
/**
|
|
* 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' );
|
|
}
|
|
|
|
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 (boolean) $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;
|
|
}
|