/** * WP_MatchesMapRegex helper class * * @package WordPress * @since 4.7.0 */ /** * Helper class to remove the need to use eval to replace $matches[] in query strings. * * @since 2.9.0 */ class WP_MatchesMapRegex { /** * store for matches * * @var array */ private $_matches; /** * store for mapping result * * @var string */ public $output; /** * subject to perform mapping on (query string containing $matches[] references * * @var string */ private $_subject; /** * regexp pattern to match $matches[] references * * @var string */ public $_pattern = '(\$matches\[[1-9]+[0-9]*\])'; // magic number /** * constructor * * @param string $subject subject if regex * @param array $matches data to use in map */ public function __construct($subject, $matches) { $this->_subject = $subject; $this->_matches = $matches; $this->output = $this->_map(); } /** * Substitute substring matches in subject. * * static helper function to ease use * * @static * * @param string $subject subject * @param array $matches data used for substitution * @return string */ public static function apply($subject, $matches) { $oSelf = new WP_MatchesMapRegex($subject, $matches); return $oSelf->output; } /** * do the actual mapping * * @return string */ private function _map() { $callback = array($this, 'callback'); return preg_replace_callback($this->_pattern, $callback, $this->_subject); } /** * preg_replace_callback hook * * @param array $matches preg_replace regexp matches * @return string */ public function callback($matches) { $index = intval(substr($matches[0], 9, -1)); return ( isset( $this->_matches[$index] ) ? urlencode($this->_matches[$index]) : '' ); } } /** * HTTP API: WP_HTTP_Proxy class * * @package WordPress * @subpackage HTTP * @since 4.4.0 */ /** * Core class used to implement HTTP API proxy support. * * There are caveats to proxy support. It requires that defines be made in the wp-config.php file to * enable proxy support. There are also a few filters that plugins can hook into for some of the * constants. * * Please note that only BASIC authentication is supported by most transports. * cURL MAY support more methods (such as NTLM authentication) depending on your environment. * * The constants are as follows: *
    *
  1. WP_PROXY_HOST - Enable proxy support and host for connecting.
  2. *
  3. WP_PROXY_PORT - Proxy port for connection. No default, must be defined.
  4. *
  5. WP_PROXY_USERNAME - Proxy username, if it requires authentication.
  6. *
  7. WP_PROXY_PASSWORD - Proxy password, if it requires authentication.
  8. *
  9. WP_PROXY_BYPASS_HOSTS - Will prevent the hosts in this list from going through the proxy. * You do not need to have localhost and the site host in this list, because they will not be passed * through the proxy. The list should be presented in a comma separated list, wildcards using * are supported, eg. *.wordpress.org
  10. *
* * An example can be as seen below. * * define('WP_PROXY_HOST', '192.168.84.101'); * define('WP_PROXY_PORT', '8080'); * define('WP_PROXY_BYPASS_HOSTS', 'localhost, www.example.com, *.wordpress.org'); * * @link https://core.trac.wordpress.org/ticket/4011 Proxy support ticket in WordPress. * @link https://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_PROXY_BYPASS_HOSTS * * @since 2.8.0 */ class WP_HTTP_Proxy { /** * Whether proxy connection should be used. * * @since 2.8.0 * * @use WP_PROXY_HOST * @use WP_PROXY_PORT * * @return bool */ public function is_enabled() { return defined('WP_PROXY_HOST') && defined('WP_PROXY_PORT'); } /** * Whether authentication should be used. * * @since 2.8.0 * * @use WP_PROXY_USERNAME * @use WP_PROXY_PASSWORD * * @return bool */ public function use_authentication() { return defined('WP_PROXY_USERNAME') && defined('WP_PROXY_PASSWORD'); } /** * Retrieve the host for the proxy server. * * @since 2.8.0 * * @return string */ public function host() { if ( defined('WP_PROXY_HOST') ) return WP_PROXY_HOST; return ''; } /** * Retrieve the port for the proxy server. * * @since 2.8.0 * * @return string */ public function port() { if ( defined('WP_PROXY_PORT') ) return WP_PROXY_PORT; return ''; } /** * Retrieve the username for proxy authentication. * * @since 2.8.0 * * @return string */ public function username() { if ( defined('WP_PROXY_USERNAME') ) return WP_PROXY_USERNAME; return ''; } /** * Retrieve the password for proxy authentication. * * @since 2.8.0 * * @return string */ public function password() { if ( defined('WP_PROXY_PASSWORD') ) return WP_PROXY_PASSWORD; return ''; } /** * Retrieve authentication string for proxy authentication. * * @since 2.8.0 * * @return string */ public function authentication() { return $this->username() . ':' . $this->password(); } /** * Retrieve header string for proxy authentication. * * @since 2.8.0 * * @return string */ public function authentication_header() { return 'Proxy-Authorization: Basic ' . base64_encode( $this->authentication() ); } /** * Whether URL should be sent through the proxy server. * * We want to keep localhost and the site URL from being sent through the proxy server, because * some proxies can not handle this. We also have the constant available for defining other * hosts that won't be sent through the proxy. * * @since 2.8.0 * * @staticvar array|null $bypass_hosts * @staticvar array $wildcard_regex * * @param string $uri URI to check. * @return bool True, to send through the proxy and false if, the proxy should not be used. */ public function send_through_proxy( $uri ) { /* * parse_url() only handles http, https type URLs, and will emit E_WARNING on failure. * This will be displayed on sites, which is not reasonable. */ $check = @parse_url($uri); // Malformed URL, can not process, but this could mean ssl, so let through anyway. if ( $check === false ) return true; $home = parse_url( get_option('siteurl') ); /** * Filters whether to preempt sending the request through the proxy server. * * Returning false will bypass the proxy; returning true will send * the request through the proxy. Returning null bypasses the filter. * * @since 3.5.0 * * @param null $override Whether to override the request result. Default null. * @param string $uri URL to check. * @param array $check Associative array result of parsing the URI. * @param array $home Associative array result of parsing the site URL. */ $result = apply_filters( 'pre_http_send_through_proxy', null, $uri, $check, $home ); if ( ! is_null( $result ) ) return $result; if ( 'localhost' == $check['host'] || ( isset( $home['host'] ) && $home['host'] == $check['host'] ) ) return false; if ( !defined('WP_PROXY_BYPASS_HOSTS') ) return true; static $bypass_hosts = null; static $wildcard_regex = array(); if ( null === $bypass_hosts ) { $bypass_hosts = preg_split('|,\s*|', WP_PROXY_BYPASS_HOSTS); if ( false !== strpos(WP_PROXY_BYPASS_HOSTS, '*') ) { $wildcard_regex = array(); foreach ( $bypass_hosts as $host ) $wildcard_regex[] = str_replace( '\*', '.+', preg_quote( $host, '/' ) ); $wildcard_regex = '/^(' . implode('|', $wildcard_regex) . ')$/i'; } } if ( !empty($wildcard_regex) ) return !preg_match($wildcard_regex, $check['host']); else return !in_array( $check['host'], $bypass_hosts ); } } /** * Nav Menu API: Walker_Nav_Menu class * * @package WordPress * @subpackage Nav_Menus * @since 4.6.0 */ /** * Core class used to implement an HTML list of nav menu items. * * @since 3.0.0 * * @see Walker */ class Walker_Nav_Menu extends Walker { /** * What the class handles. * * @since 3.0.0 * @var string * * @see Walker::$tree_type */ public $tree_type = array( 'post_type', 'taxonomy', 'custom' ); /** * Database fields to use. * * @since 3.0.0 * @todo Decouple this. * @var array * * @see Walker::$db_fields */ public $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' ); /** * Starts the list before the elements are added. * * @since 3.0.0 * * @see Walker::start_lvl() * * @param string $output Used to append additional content (passed by reference). * @param int $depth Depth of menu item. Used for padding. * @param stdClass $args An object of wp_nav_menu() arguments. */ public function start_lvl( &$output, $depth = 0, $args = array() ) { if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { $t = ''; $n = ''; } else { $t = "\t"; $n = "\n"; } $indent = str_repeat( $t, $depth ); // Default class. $classes = array( 'sub-menu' ); /** * Filters the CSS class(es) applied to a menu list element. * * @since 4.8.0 * * @param array $classes The CSS classes that are applied to the menu `{$n}"; } /** * Starts the element output. * * @since 3.0.0 * @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added. * * @see Walker::start_el() * * @param string $output Used to append additional content (passed by reference). * @param WP_Post $item Menu item data object. * @param int $depth Depth of menu item. Used for padding. * @param stdClass $args An object of wp_nav_menu() arguments. * @param int $id Current item ID. */ public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { $t = ''; $n = ''; } else { $t = "\t"; $n = "\n"; } $indent = ( $depth ) ? str_repeat( $t, $depth ) : ''; $classes = empty( $item->classes ) ? array() : (array) $item->classes; $classes[] = 'menu-item-' . $item->ID; /** * Filters the arguments for a single nav menu item. * * @since 4.4.0 * * @param stdClass $args An object of wp_nav_menu() arguments. * @param WP_Post $item Menu item data object. * @param int $depth Depth of menu item. Used for padding. */ $args = apply_filters( 'nav_menu_item_args', $args, $item, $depth ); /** * Filters the CSS class(es) applied to a menu item's list item element. * * @since 3.0.0 * @since 4.1.0 The `$depth` parameter was added. * * @param array $classes The CSS classes that are applied to the menu item's `
  • ` element. * @param WP_Post $item The current menu item. * @param stdClass $args An object of wp_nav_menu() arguments. * @param int $depth Depth of menu item. Used for padding. */ $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) ); $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; /** * Filters the ID applied to a menu item's list item element. * * @since 3.0.1 * @since 4.1.0 The `$depth` parameter was added. * * @param string $menu_id The ID that is applied to the menu item's `
  • ` element. * @param WP_Post $item The current menu item. * @param stdClass $args An object of wp_nav_menu() arguments. * @param int $depth Depth of menu item. Used for padding. */ $id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args, $depth ); $id = $id ? ' id="' . esc_attr( $id ) . '"' : ''; $output .= $indent . ''; $atts = array(); $atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : ''; $atts['target'] = ! empty( $item->target ) ? $item->target : ''; $atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : ''; $atts['href'] = ! empty( $item->url ) ? $item->url : ''; /** * Filters the HTML attributes applied to a menu item's anchor element. * * @since 3.6.0 * @since 4.1.0 The `$depth` parameter was added. * * @param array $atts { * The HTML attributes applied to the menu item's `` element, empty strings are ignored. * * @type string $title Title attribute. * @type string $target Target attribute. * @type string $rel The rel attribute. * @type string $href The href attribute. * } * @param WP_Post $item The current menu item. * @param stdClass $args An object of wp_nav_menu() arguments. * @param int $depth Depth of menu item. Used for padding. */ $atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth ); $attributes = ''; foreach ( $atts as $attr => $value ) { if ( ! empty( $value ) ) { $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); $attributes .= ' ' . $attr . '="' . $value . '"'; } } /** This filter is documented in wp-includes/post-template.php */ $title = apply_filters( 'the_title', $item->title, $item->ID ); /** * Filters a menu item's title. * * @since 4.4.0 * * @param string $title The menu item's title. * @param WP_Post $item The current menu item. * @param stdClass $args An object of wp_nav_menu() arguments. * @param int $depth Depth of menu item. Used for padding. */ $title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth ); $item_output = $args->before; $item_output .= ''; $item_output .= $args->link_before . $title . $args->link_after; $item_output .= ''; $item_output .= $args->after; /** * Filters a menu item's starting output. * * The menu item's starting output only includes `$args->before`, the opening ``, * the menu item's title, the closing ``, and `$args->after`. Currently, there is * no filter for modifying the opening and closing `
  • ` for a menu item. * * @since 3.0.0 * * @param string $item_output The menu item's starting HTML output. * @param WP_Post $item Menu item data object. * @param int $depth Depth of menu item. Used for padding. * @param stdClass $args An object of wp_nav_menu() arguments. */ $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); } /** * Ends the element output, if needed. * * @since 3.0.0 * * @see Walker::end_el() * * @param string $output Used to append additional content (passed by reference). * @param WP_Post $item Page data object. Not used. * @param int $depth Depth of page. Not Used. * @param stdClass $args An object of wp_nav_menu() arguments. */ public function end_el( &$output, $item, $depth = 0, $args = array() ) { if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { $t = ''; $n = ''; } else { $t = "\t"; $n = "\n"; } $output .= "
  • {$n}"; } } // Walker_Nav_Menu /** * REST API: WP_REST_Controller class * * @package WordPress * @subpackage REST_API * @since 4.7.0 */ /** * Core base controller for managing and interacting with REST API items. * * @since 4.7.0 */ abstract class WP_REST_Controller { /** * The namespace of this controller's route. * * @since 4.7.0 * @var string */ protected $namespace; /** * The base of this controller's route. * * @since 4.7.0 * @var string */ protected $rest_base; /** * Registers the routes for the objects of the controller. * * @since 4.7.0 */ public function register_routes() { /* translators: %s: register_routes() */ _doing_it_wrong( 'WP_REST_Controller::register_routes', sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ), '4.7' ); } /** * Checks if a given request has access to get items. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|bool True if the request has read access, WP_Error object otherwise. */ public function get_items_permissions_check( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Retrieves a collection of items. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. */ public function get_items( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to get a specific item. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|bool True if the request has read access for the item, WP_Error object otherwise. */ public function get_item_permissions_check( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Retrieves one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. */ public function get_item( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to create items. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|bool True if the request has access to create items, WP_Error object otherwise. */ public function create_item_permissions_check( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Creates one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. */ public function create_item( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to update a specific item. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|bool True if the request has access to update the item, WP_Error object otherwise. */ public function update_item_permissions_check( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Updates one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. */ public function update_item( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to delete a specific item. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|bool True if the request has access to delete the item, WP_Error object otherwise. */ public function delete_item_permissions_check( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Deletes one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full data about the request. * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. */ public function delete_item( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Prepares one item for create or update operation. * * @since 4.7.0 * * @param WP_REST_Request $request Request object. * @return WP_Error|object The prepared item, or WP_Error object on failure. */ protected function prepare_item_for_database( $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Prepares the item for the REST response. * * @since 4.7.0 * * @param mixed $item WordPress representation of the item. * @param WP_REST_Request $request Request object. * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. */ public function prepare_item_for_response( $item, $request ) { /* translators: %s: method name */ return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Prepares a response for insertion into a collection. * * @since 4.7.0 * * @param WP_REST_Response $response Response object. * @return array|mixed Response data, ready for insertion into collection data. */ public function prepare_response_for_collection( $response ) { if ( ! ( $response instanceof WP_REST_Response ) ) { return $response; } $data = (array) $response->get_data(); $server = rest_get_server(); $links = $server->get_compact_response_links( $response ); if ( ! empty( $links ) ) { $data['_links'] = $links; } return $data; } /** * Filters a response based on the context defined in the schema. * * @since 4.7.0 * * @param array $data Response data to fiter. * @param string $context Context defined in the schema. * @return array Filtered response. */ public function filter_response_by_context( $data, $context ) { $schema = $this->get_item_schema(); foreach ( $data as $key => $value ) { if ( empty( $schema['properties'][ $key ] ) || empty( $schema['properties'][ $key ]['context'] ) ) { continue; } if ( ! in_array( $context, $schema['properties'][ $key ]['context'], true ) ) { unset( $data[ $key ] ); continue; } if ( 'object' === $schema['properties'][ $key ]['type'] && ! empty( $schema['properties'][ $key ]['properties'] ) ) { foreach ( $schema['properties'][ $key ]['properties'] as $attribute => $details ) { if ( empty( $details['context'] ) ) { continue; } if ( ! in_array( $context, $details['context'], true ) ) { if ( isset( $data[ $key ][ $attribute ] ) ) { unset( $data[ $key ][ $attribute ] ); } } } } } return $data; } /** * Retrieves the item's schema, conforming to JSON Schema. * * @since 4.7.0 * * @return array Item schema data. */ public function get_item_schema() { return $this->add_additional_fields_schema( array() ); } /** * Retrieves the item's schema for display / public consumption purposes. * * @since 4.7.0 * * @return array Public item schema data. */ public function get_public_item_schema() { $schema = $this->get_item_schema(); foreach ( $schema['properties'] as &$property ) { unset( $property['arg_options'] ); } return $schema; } /** * Retrieves the query params for the collections. * * @since 4.7.0 * * @return array Query parameters for the collection. */ public function get_collection_params() { return array( 'context' => $this->get_context_param(), 'page' => array( 'description' => __( 'Current page of the collection.' ), 'type' => 'integer', 'default' => 1, 'sanitize_callback' => 'absint', 'validate_callback' => 'rest_validate_request_arg', 'minimum' => 1, ), 'per_page' => array( 'description' => __( 'Maximum number of items to be returned in result set.' ), 'type' => 'integer', 'default' => 10, 'minimum' => 1, 'maximum' => 100, 'sanitize_callback' => 'absint', 'validate_callback' => 'rest_validate_request_arg', ), 'search' => array( 'description' => __( 'Limit results to those matching a string.' ), 'type' => 'string', 'sanitize_callback' => 'sanitize_text_field', 'validate_callback' => 'rest_validate_request_arg', ), ); } /** * Retrieves the magical context param. * * Ensures consistent descriptions between endpoints, and populates enum from schema. * * @since 4.7.0 * * @param array $args Optional. Additional arguments for context parameter. Default empty array. * @return array Context parameter details. */ public function get_context_param( $args = array() ) { $param_details = array( 'description' => __( 'Scope under which the request is made; determines fields present in response.' ), 'type' => 'string', 'sanitize_callback' => 'sanitize_key', 'validate_callback' => 'rest_validate_request_arg', ); $schema = $this->get_item_schema(); if ( empty( $schema['properties'] ) ) { return array_merge( $param_details, $args ); } $contexts = array(); foreach ( $schema['properties'] as $attributes ) { if ( ! empty( $attributes['context'] ) ) { $contexts = array_merge( $contexts, $attributes['context'] ); } } if ( ! empty( $contexts ) ) { $param_details['enum'] = array_unique( $contexts ); rsort( $param_details['enum'] ); } return array_merge( $param_details, $args ); } /** * Adds the values from additional fields to a data object. * * @since 4.7.0 * * @param array $object Data object. * @param WP_REST_Request $request Full details about the request. * @return array Modified data object with additional fields. */ protected function add_additional_fields_to_object( $object, $request ) { $additional_fields = $this->get_additional_fields(); $requested_fields = $this->get_fields_for_response( $request ); foreach ( $additional_fields as $field_name => $field_options ) { if ( ! $field_options['get_callback'] ) { continue; } if ( ! in_array( $field_name, $requested_fields, true ) ) { continue; } $object[ $field_name ] = call_user_func( $field_options['get_callback'], $object, $field_name, $request, $this->get_object_type() ); } return $object; } /** * Updates the values of additional fields added to a data object. * * @since 4.7.0 * * @param array $object Data Object. * @param WP_REST_Request $request Full details about the request. * @return bool|WP_Error True on success, WP_Error object if a field cannot be updated. */ protected function update_additional_fields_for_object( $object, $request ) { $additional_fields = $this->get_additional_fields(); foreach ( $additional_fields as $field_name => $field_options ) { if ( ! $field_options['update_callback'] ) { continue; } // Don't run the update callbacks if the data wasn't passed in the request. if ( ! isset( $request[ $field_name ] ) ) { continue; } $result = call_user_func( $field_options['update_callback'], $request[ $field_name ], $object, $field_name, $request, $this->get_object_type() ); if ( is_wp_error( $result ) ) { return $result; } } return true; } /** * Adds the schema from additional fields to a schema array. * * The type of object is inferred from the passed schema. * * @since 4.7.0 * * @param array $schema Schema array. * @return array Modified Schema array. */ protected function add_additional_fields_schema( $schema ) { if ( empty( $schema['title'] ) ) { return $schema; } // Can't use $this->get_object_type otherwise we cause an inf loop. $object_type = $schema['title']; $additional_fields = $this->get_additional_fields( $object_type ); foreach ( $additional_fields as $field_name => $field_options ) { if ( ! $field_options['schema'] ) { continue; } $schema['properties'][ $field_name ] = $field_options['schema']; } return $schema; } /** * Retrieves all of the registered additional fields for a given object-type. * * @since 4.7.0 * * @param string $object_type Optional. The object type. * @return array Registered additional fields (if any), empty array if none or if the object type could * not be inferred. */ protected function get_additional_fields( $object_type = null ) { if ( ! $object_type ) { $object_type = $this->get_object_type(); } if ( ! $object_type ) { return array(); } global $wp_rest_additional_fields; if ( ! $wp_rest_additional_fields || ! isset( $wp_rest_additional_fields[ $object_type ] ) ) { return array(); } return $wp_rest_additional_fields[ $object_type ]; } /** * Retrieves the object type this controller is responsible for managing. * * @since 4.7.0 * * @return string Object type for the controller. */ protected function get_object_type() { $schema = $this->get_item_schema(); if ( ! $schema || ! isset( $schema['title'] ) ) { return null; } return $schema['title']; } /** * Gets an array of fields to be included on the response. * * Included fields are based on item schema and `_fields=` request argument. * * @since 4.9.6 * * @param WP_REST_Request $request Full details about the request. * @return array Fields to be included in the response. */ public function get_fields_for_response( $request ) { $schema = $this->get_item_schema(); $fields = isset( $schema['properties'] ) ? array_keys( $schema['properties'] ) : array(); $additional_fields = $this->get_additional_fields(); foreach ( $additional_fields as $field_name => $field_options ) { // For back-compat, include any field with an empty schema // because it won't be present in $this->get_item_schema(). if ( is_null( $field_options['schema'] ) ) { $fields[] = $field_name; } } if ( ! isset( $request['_fields'] ) ) { return $fields; } $requested_fields = is_array( $request['_fields'] ) ? $request['_fields'] : preg_split( '/[\s,]+/', $request['_fields'] ); if ( 0 === count( $requested_fields ) ) { return $fields; } // Trim off outside whitespace from the comma delimited list. $requested_fields = array_map( 'trim', $requested_fields ); // Always persist 'id', because it can be needed for add_additional_fields_to_object(). if ( in_array( 'id', $fields, true ) ) { $requested_fields[] = 'id'; } return array_intersect( $fields, $requested_fields ); } /** * Retrieves an array of endpoint arguments from the item schema for the controller. * * @since 4.7.0 * * @param string $method Optional. HTTP method of the request. The arguments for `CREATABLE` requests are * checked for required values and may fall-back to a given default, this is not done * on `EDITABLE` requests. Default WP_REST_Server::CREATABLE. * @return array Endpoint arguments. */ public function get_endpoint_args_for_item_schema( $method = WP_REST_Server::CREATABLE ) { $schema = $this->get_item_schema(); $schema_properties = ! empty( $schema['properties'] ) ? $schema['properties'] : array(); $endpoint_args = array(); foreach ( $schema_properties as $field_id => $params ) { // Arguments specified as `readonly` are not allowed to be set. if ( ! empty( $params['readonly'] ) ) { continue; } $endpoint_args[ $field_id ] = array( 'validate_callback' => 'rest_validate_request_arg', 'sanitize_callback' => 'rest_sanitize_request_arg', ); if ( isset( $params['description'] ) ) { $endpoint_args[ $field_id ]['description'] = $params['description']; } if ( WP_REST_Server::CREATABLE === $method && isset( $params['default'] ) ) { $endpoint_args[ $field_id ]['default'] = $params['default']; } if ( WP_REST_Server::CREATABLE === $method && ! empty( $params['required'] ) ) { $endpoint_args[ $field_id ]['required'] = true; } foreach ( array( 'type', 'format', 'enum', 'items', 'properties', 'additionalProperties' ) as $schema_prop ) { if ( isset( $params[ $schema_prop ] ) ) { $endpoint_args[ $field_id ][ $schema_prop ] = $params[ $schema_prop ]; } } // Merge in any options provided by the schema property. if ( isset( $params['arg_options'] ) ) { // Only use required / default from arg_options on CREATABLE endpoints. if ( WP_REST_Server::CREATABLE !== $method ) { $params['arg_options'] = array_diff_key( $params['arg_options'], array( 'required' => '', 'default' => '' ) ); } $endpoint_args[ $field_id ] = array_merge( $endpoint_args[ $field_id ], $params['arg_options'] ); } } return $endpoint_args; } /** * Sanitizes the slug value. * * @since 4.7.0 * * @internal We can't use sanitize_title() directly, as the second * parameter is the fallback title, which would end up being set to the * request object. * * @see https://github.com/WP-API/WP-API/issues/1585 * * @todo Remove this in favour of https://core.trac.wordpress.org/ticket/34659 * * @param string $slug Slug value passed in request. * @return string Sanitized value for the slug. */ public function sanitize_slug( $slug ) { return sanitize_title( $slug ); } }
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