rest_api_init' ), '5.1.0' ); } if ( isset( $args['args'] ) ) { $common_args = $args['args']; unset( $args['args'] ); } else { $common_args = array(); } if ( isset( $args['callback'] ) ) { // Upgrade a single set to multiple. $args = array( $args ); } $defaults = array( 'methods' => 'GET', 'callback' => null, 'args' => array(), ); foreach ( $args as $key => &$arg_group ) { if ( ! is_numeric( $key ) ) { // Route option, skip here. continue; } $arg_group = array_merge( $defaults, $arg_group ); $arg_group['args'] = array_merge( $common_args, $arg_group['args'] ); } $full_route = '/' . trim( $namespace, '/' ) . '/' . trim( $route, '/' ); rest_get_server()->register_route( $namespace, $full_route, $args, $override ); return true; } /** * Registers a new field on an existing WordPress object type. * * @since 4.7.0 * * @global array $wp_rest_additional_fields Holds registered fields, organized * by object type. * * @param string|array $object_type Object(s) the field is being registered * to, "post"|"term"|"comment" etc. * @param string $attribute The attribute name. * @param array $args { * Optional. An array of arguments used to handle the registered field. * * @type string|array|null $get_callback Optional. The callback function used to retrieve the field * value. Default is 'null', the field will not be returned in * the response. * @type string|array|null $update_callback Optional. The callback function used to set and update the * field value. Default is 'null', the value cannot be set or * updated. * @type string|array|null $schema Optional. The callback function used to create the schema for * this field. Default is 'null', no schema entry will be returned. * } */ function register_rest_field( $object_type, $attribute, $args = array() ) { $defaults = array( 'get_callback' => null, 'update_callback' => null, 'schema' => null, ); $args = wp_parse_args( $args, $defaults ); global $wp_rest_additional_fields; $object_types = (array) $object_type; foreach ( $object_types as $object_type ) { $wp_rest_additional_fields[ $object_type ][ $attribute ] = $args; } } /** * Registers rewrite rules for the API. * * @since 4.4.0 * * @see rest_api_register_rewrites() * @global WP $wp Current WordPress environment instance. */ function rest_api_init() { rest_api_register_rewrites(); global $wp; $wp->add_query_var( 'rest_route' ); } /** * Adds REST rewrite rules. * * @since 4.4.0 * * @see add_rewrite_rule() * @global WP_Rewrite $wp_rewrite */ function rest_api_register_rewrites() { global $wp_rewrite; add_rewrite_rule( '^' . rest_get_url_prefix() . '/?$', 'index.php?rest_route=/', 'top' ); add_rewrite_rule( '^' . rest_get_url_prefix() . '/(.*)?', 'index.php?rest_route=/$matches[1]', 'top' ); add_rewrite_rule( '^' . $wp_rewrite->index . '/' . rest_get_url_prefix() . '/?$', 'index.php?rest_route=/', 'top' ); add_rewrite_rule( '^' . $wp_rewrite->index . '/' . rest_get_url_prefix() . '/(.*)?', 'index.php?rest_route=/$matches[1]', 'top' ); } /** * Registers the default REST API filters. * * Attached to the {@see 'rest_api_init'} action * to make testing and disabling these filters easier. * * @since 4.4.0 */ function rest_api_default_filters() { // Deprecated reporting. add_action( 'deprecated_function_run', 'rest_handle_deprecated_function', 10, 3 ); add_filter( 'deprecated_function_trigger_error', '__return_false' ); add_action( 'deprecated_argument_run', 'rest_handle_deprecated_argument', 10, 3 ); add_filter( 'deprecated_argument_trigger_error', '__return_false' ); // Default serving. add_filter( 'rest_pre_serve_request', 'rest_send_cors_headers' ); add_filter( 'rest_post_dispatch', 'rest_send_allow_header', 10, 3 ); add_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10, 3 ); add_filter( 'rest_pre_dispatch', 'rest_handle_options_request', 10, 3 ); } /** * Registers default REST API routes. * * @since 4.7.0 */ function create_initial_rest_routes() { foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) { $class = ! empty( $post_type->rest_controller_class ) ? $post_type->rest_controller_class : 'WP_REST_Posts_Controller'; if ( ! class_exists( $class ) ) { continue; } $controller = new $class( $post_type->name ); if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) { continue; } $controller->register_routes(); if ( post_type_supports( $post_type->name, 'revisions' ) ) { $revisions_controller = new WP_REST_Revisions_Controller( $post_type->name ); $revisions_controller->register_routes(); } if ( 'attachment' !== $post_type->name ) { $autosaves_controller = new WP_REST_Autosaves_Controller( $post_type->name ); $autosaves_controller->register_routes(); } } // Post types. $controller = new WP_REST_Post_Types_Controller; $controller->register_routes(); // Post statuses. $controller = new WP_REST_Post_Statuses_Controller; $controller->register_routes(); // Taxonomies. $controller = new WP_REST_Taxonomies_Controller; $controller->register_routes(); // Terms. foreach ( get_taxonomies( array( 'show_in_rest' => true ), 'object' ) as $taxonomy ) { $class = ! empty( $taxonomy->rest_controller_class ) ? $taxonomy->rest_controller_class : 'WP_REST_Terms_Controller'; if ( ! class_exists( $class ) ) { continue; } $controller = new $class( $taxonomy->name ); if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) { continue; } $controller->register_routes(); } // Users. $controller = new WP_REST_Users_Controller; $controller->register_routes(); // Comments. $controller = new WP_REST_Comments_Controller; $controller->register_routes(); /** * Filters the search handlers to use in the REST search controller. * * @since 5.0.0 * * @param array $search_handlers List of search handlers to use in the controller. Each search * handler instance must extend the `WP_REST_Search_Handler` class. * Default is only a handler for posts. */ $search_handlers = apply_filters( 'wp_rest_search_handlers', array( new WP_REST_Post_Search_Handler() ) ); $controller = new WP_REST_Search_Controller( $search_handlers ); $controller->register_routes(); // Block Renderer. $controller = new WP_REST_Block_Renderer_Controller; $controller->register_routes(); // Settings. $controller = new WP_REST_Settings_Controller; $controller->register_routes(); // Themes. $controller = new WP_REST_Themes_Controller; $controller->register_routes(); } /** * Loads the REST API. * * @since 4.4.0 * * @global WP $wp Current WordPress environment instance. */ function rest_api_loaded() { if ( empty( $GLOBALS['wp']->query_vars['rest_route'] ) ) { return; } /** * Whether this is a REST Request. * * @since 4.4.0 * @var bool */ define( 'REST_REQUEST', true ); // Initialize the server. $server = rest_get_server(); // Fire off the request. $route = untrailingslashit( $GLOBALS['wp']->query_vars['rest_route'] ); if ( empty( $route ) ) { $route = '/'; } $server->serve_request( $route ); // We're done. die(); } /** * Retrieves the URL prefix for any API resource. * * @since 4.4.0 * * @return string Prefix. */ function rest_get_url_prefix() { /** * Filters the REST URL prefix. * * @since 4.4.0 * * @param string $prefix URL prefix. Default 'sp-json'. */ return apply_filters( 'rest_url_prefix', 'sp-json' ); } /** * Retrieves the URL to a REST endpoint on a site. * * Note: The returned URL is NOT escaped. * * @since 4.4.0 * * @todo Check if this is even necessary * @global WP_Rewrite $wp_rewrite * * @param int $blog_id Optional. Blog ID. Default of null returns URL for current blog. * @param string $path Optional. REST route. Default '/'. * @param string $scheme Optional. Sanitization scheme. Default 'rest'. * @return string Full URL to the endpoint. */ function get_rest_url( $blog_id = null, $path = '/', $scheme = 'rest' ) { if ( empty( $path ) ) { $path = '/'; } $path = '/' . ltrim( $path, '/' ); if ( is_multisite() && get_blog_option( $blog_id, 'permalink_structure' ) || get_option( 'permalink_structure' ) ) { global $wp_rewrite; if ( $wp_rewrite->using_index_permalinks() ) { $url = get_home_url( $blog_id, $wp_rewrite->index . '/' . rest_get_url_prefix(), $scheme ); } else { $url = get_home_url( $blog_id, rest_get_url_prefix(), $scheme ); } $url .= $path; } else { $url = trailingslashit( get_home_url( $blog_id, '', $scheme ) ); // nginx only allows HTTP/1.0 methods when redirecting from / to /index.php // To work around this, we manually add index.php to the URL, avoiding the redirect. if ( 'index.php' !== substr( $url, 9 ) ) { $url .= 'index.php'; } $url = add_query_arg( 'rest_route', $path, $url ); } if ( is_ssl() ) { // If the current host is the same as the REST URL host, force the REST URL scheme to HTTPS. if ( $_SERVER['SERVER_NAME'] === parse_url( get_home_url( $blog_id ), PHP_URL_HOST ) ) { $url = set_url_scheme( $url, 'https' ); } } if ( is_admin() && force_ssl_admin() ) { // In this situation the home URL may be http:, and `is_ssl()` may be // false, but the admin is served over https: (one way or another), so // REST API usage will be blocked by browsers unless it is also served // over HTTPS. $url = set_url_scheme( $url, 'https' ); } /** * Filters the REST URL. * * Use this filter to adjust the url returned by the get_rest_url() function. * * @since 4.4.0 * * @param string $url REST URL. * @param string $path REST route. * @param int $blog_id Blog ID. * @param string $scheme Sanitization scheme. */ return apply_filters( 'rest_url', $url, $path, $blog_id, $scheme ); } /** * Retrieves the URL to a REST endpoint. * * Note: The returned URL is NOT escaped. * * @since 4.4.0 * * @param string $path Optional. REST route. Default empty. * @param string $scheme Optional. Sanitization scheme. Default 'json'. * @return string Full URL to the endpoint. */ function rest_url( $path = '', $scheme = 'json' ) { return get_rest_url( null, $path, $scheme ); } /** * Do a REST request. * * Used primarily to route internal requests through WP_REST_Server. * * @since 4.4.0 * * @param WP_REST_Request|string $request Request. * @return WP_REST_Response REST response. */ function rest_do_request( $request ) { $request = rest_ensure_request( $request ); return rest_get_server()->dispatch( $request ); } /** * Retrieves the current REST server instance. * * Instantiates a new instance if none exists already. * * @since 4.5.0 * * @global WP_REST_Server $wp_rest_server REST server instance. * * @return WP_REST_Server REST server instance. */ function rest_get_server() { /* @var WP_REST_Server $wp_rest_server */ global $wp_rest_server; if ( empty( $wp_rest_server ) ) { /** * Filters the REST Server Class. * * This filter allows you to adjust the server class used by the API, using a * different class to handle requests. * * @since 4.4.0 * * @param string $class_name The name of the server class. Default 'WP_REST_Server'. */ $wp_rest_server_class = apply_filters( 'wp_rest_server_class', 'WP_REST_Server' ); $wp_rest_server = new $wp_rest_server_class; /** * Fires when preparing to serve an API request. * * Endpoint objects should be created and register their hooks on this action rather * than another action to ensure they're only loaded when needed. * * @since 4.4.0 * * @param WP_REST_Server $wp_rest_server Server object. */ do_action( 'rest_api_init', $wp_rest_server ); } return $wp_rest_server; } /** * Ensures request arguments are a request object (for consistency). * * @since 4.4.0 * * @param array|WP_REST_Request $request Request to check. * @return WP_REST_Request REST request instance. */ function rest_ensure_request( $request ) { if ( $request instanceof WP_REST_Request ) { return $request; } return new WP_REST_Request( 'GET', '', $request ); } /** * Ensures a REST response is a response object (for consistency). * * This implements WP_HTTP_Response, allowing usage of `set_status`/`header`/etc * without needing to double-check the object. Will also allow WP_Error to indicate error * responses, so users should immediately check for this value. * * @since 4.4.0 * * @param WP_Error|WP_HTTP_Response|mixed $response Response to check. * @return WP_REST_Response|mixed If response generated an error, WP_Error, if response * is already an instance, WP_HTTP_Response, otherwise * returns a new WP_REST_Response instance. */ function rest_ensure_response( $response ) { if ( is_wp_error( $response ) ) { return $response; } if ( $response instanceof WP_HTTP_Response ) { return $response; } return new WP_REST_Response( $response ); } /** * Handles _deprecated_function() errors. * * @since 4.4.0 * * @param string $function The function that was called. * @param string $replacement The function that should have been called. * @param string $version Version. */ function rest_handle_deprecated_function( $function, $replacement, $version ) { if ( ! WP_DEBUG || headers_sent() ) { return; } if ( ! empty( $replacement ) ) { /* translators: 1: function name, 2: WordPress version number, 3: new function name */ $string = sprintf( __( '%1$s (since %2$s; use %3$s instead)' ), $function, $version, $replacement ); } else { /* translators: 1: function name, 2: WordPress version number */ $string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version ); } header( sprintf( 'X-WP-DeprecatedFunction: %s', $string ) ); } /** * Handles _deprecated_argument() errors. * * @since 4.4.0 * * @param string $function The function that was called. * @param string $message A message regarding the change. * @param string $version Version. */ function rest_handle_deprecated_argument( $function, $message, $version ) { if ( ! WP_DEBUG || headers_sent() ) { return; } if ( ! empty( $message ) ) { /* translators: 1: function name, 2: WordPress version number, 3: error message */ $string = sprintf( __( '%1$s (since %2$s; %3$s)' ), $function, $version, $message ); } else { /* translators: 1: function name, 2: WordPress version number */ $string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version ); } header( sprintf( 'X-WP-DeprecatedParam: %s', $string ) ); } /** * Sends Cross-Origin Resource Sharing headers with API requests. * * @since 4.4.0 * * @param mixed $value Response data. * @return mixed Response data. */ function rest_send_cors_headers( $value ) { $origin = get_http_origin(); if ( $origin ) { // Requests from file:// and data: URLs send "Origin: null" if ( 'null' !== $origin ) { $origin = esc_url_raw( $origin ); } header( 'Access-Control-Allow-Origin: ' . $origin ); header( 'Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE' ); header( 'Access-Control-Allow-Credentials: true' ); header( 'Vary: Origin', false ); } elseif ( ! headers_sent() && 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) { header( 'Vary: Origin', false ); } return $value; } /** * Handles OPTIONS requests for the server. * * This is handled outside of the server code, as it doesn't obey normal route * mapping. * * @since 4.4.0 * * @param mixed $response Current response, either response or `null` to indicate pass-through. * @param WP_REST_Server $handler ResponseHandler instance (usually WP_REST_Server). * @param WP_REST_Request $request The request that was used to make current response. * @return WP_REST_Response Modified response, either response or `null` to indicate pass-through. */ function rest_handle_options_request( $response, $handler, $request ) { if ( ! empty( $response ) || $request->get_method() !== 'OPTIONS' ) { return $response; } $response = new WP_REST_Response(); $data = array(); foreach ( $handler->get_routes() as $route => $endpoints ) { $match = preg_match( '@^' . $route . '$@i', $request->get_route() ); 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 = wp_parse_list( $request['_fields'] ); if ( 0 === count( $fields ) ) { return $response; } // Trim off outside whitespace from the comma delimited list. $fields = array_map( 'trim', $fields ); $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; } ?> \n"; } /** * Sends a Link header for the REST API. * * @since 4.4.0 */ function rest_output_link_header() { if ( headers_sent() ) { return; } $api_root = get_rest_url(); if ( empty( $api_root ) ) { return; } header( 'Link: <' . esc_url_raw( $api_root ) . '>; rel="https://api.w.org/"', false ); } /** * Checks for errors when using cookie-based authentication. * * WordPress' built-in cookie authentication is always active * for logged in users. However, the API has to check nonces * for each request to ensure users are not vulnerable to CSRF. * * @since 4.4.0 * * @global mixed $wp_rest_auth_cookie * * @param WP_Error|mixed $result Error from another authentication handler, * null if we should handle it, or another value * if not. * @return WP_Error|mixed|bool WP_Error if the cookie is invalid, the $result, otherwise true. */ function rest_cookie_check_errors( $result ) { if ( ! empty( $result ) ) { return $result; } global $wp_rest_auth_cookie; /* * Is cookie authentication being used? (If we get an auth * error, but we're still logged in, another authentication * must have been used). */ if ( true !== $wp_rest_auth_cookie && is_user_logged_in() ) { return $result; } // Determine if there is a nonce. $nonce = null; if ( isset( $_REQUEST['_wpnonce'] ) ) { $nonce = $_REQUEST['_wpnonce']; } elseif ( isset( $_SERVER['HTTP_X_WP_NONCE'] ) ) { $nonce = $_SERVER['HTTP_X_WP_NONCE']; } if ( null === $nonce ) { // No nonce at all, so act as if it's an unauthenticated request. wp_set_current_user( 0 ); return true; } // Check the nonce. $result = wp_verify_nonce( $nonce, 'wp_rest' ); if ( ! $result ) { return new WP_Error( 'rest_cookie_invalid_nonce', __( 'Cookie nonce is invalid' ), array( 'status' => 403 ) ); } // Send a refreshed nonce in header. rest_get_server()->send_header( 'X-WP-Nonce', wp_create_nonce( 'wp_rest' ) ); return true; } /** * Collects cookie authentication status. * * Collects errors from wp_validate_auth_cookie for use by rest_cookie_check_errors. * * @since 4.4.0 * * @see current_action() * @global mixed $wp_rest_auth_cookie */ function rest_cookie_collect_status() { global $wp_rest_auth_cookie; $status_type = current_action(); if ( 'auth_cookie_valid' !== $status_type ) { $wp_rest_auth_cookie = substr( $status_type, 12 ); return; } $wp_rest_auth_cookie = true; } /** * Parses an RFC3339 time into a Unix timestamp. * * @since 4.4.0 * * @param string $date RFC3339 timestamp. * @param bool $force_utc Optional. Whether to force UTC timezone instead of using * the timestamp's timezone. Default false. * @return int Unix timestamp. */ function rest_parse_date( $date, $force_utc = false ) { if ( $force_utc ) { $date = preg_replace( '/[+-]\d+:?\d+$/', '+00:00', $date ); } $regex = '#^\d{4}-\d{2}-\d{2}[Tt ]\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}(?::\d{2})?)?$#'; if ( ! preg_match( $regex, $date, $matches ) ) { return false; } return strtotime( $date ); } /** * Parses a date into both its local and UTC equivalent, in MySQL datetime format. * * @since 4.4.0 * * @see rest_parse_date() * * @param string $date RFC3339 timestamp. * @param bool $is_utc Whether the provided date should be interpreted as UTC. Default false. * @return array|null Local and UTC datetime strings, in MySQL datetime format (Y-m-d H:i:s), * null on failure. */ function rest_get_date_with_gmt( $date, $is_utc = false ) { // Whether or not the original date actually has a timezone string // changes the way we need to do timezone conversion. Store this info // before parsing the date, and use it later. $has_timezone = preg_match( '#(Z|[+-]\d{2}(:\d{2})?)$#', $date ); $date = rest_parse_date( $date ); if ( empty( $date ) ) { return null; } // At this point $date could either be a local date (if we were passed a // *local* date without a timezone offset) or a UTC date (otherwise). // Timezone conversion needs to be handled differently between these two // cases. if ( ! $is_utc && ! $has_timezone ) { $local = date( 'Y-m-d H:i:s', $date ); $utc = get_gmt_from_date( $local ); } else { $utc = date( 'Y-m-d H:i:s', $date ); $local = get_date_from_gmt( $utc ); } return array( $local, $utc ); } /** * Returns a contextual HTTP error code for authorization failure. * * @since 4.7.0 * * @return integer 401 if the user is not logged in, 403 if the user is logged in. */ function rest_authorization_required_code() { return is_user_logged_in() ? 403 : 401; } /** * Validate a request argument based on details registered to the route. * * @since 4.7.0 * * @param mixed $value * @param WP_REST_Request $request * @param string $param * @return WP_Error|boolean */ function rest_validate_request_arg( $value, $request, $param ) { $attributes = $request->get_attributes(); if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) { return true; } $args = $attributes['args'][ $param ]; return rest_validate_value_from_schema( $value, $args, $param ); } /** * Sanitize a request argument based on details registered to the route. * * @since 4.7.0 * * @param mixed $value * @param WP_REST_Request $request * @param string $param * @return mixed */ function rest_sanitize_request_arg( $value, $request, $param ) { $attributes = $request->get_attributes(); if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) { return $value; } $args = $attributes['args'][ $param ]; return rest_sanitize_value_from_schema( $value, $args ); } /** * Parse a request argument based on details registered to the route. * * Runs a validation check and sanitizes the value, primarily to be used via * the `sanitize_callback` arguments in the endpoint args registration. * * @since 4.7.0 * * @param mixed $value * @param WP_REST_Request $request * @param string $param * @return mixed */ function rest_parse_request_arg( $value, $request, $param ) { $is_valid = rest_validate_request_arg( $value, $request, $param ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } $value = rest_sanitize_request_arg( $value, $request, $param ); return $value; } /** * Determines if an IP address is valid. * * Handles both IPv4 and IPv6 addresses. * * @since 4.7.0 * * @param string $ip IP address. * @return string|false The valid IP address, otherwise false. */ function rest_is_ip_address( $ip ) { $ipv4_pattern = '/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/'; if ( ! preg_match( $ipv4_pattern, $ip ) && ! Requests_IPv6::check_ipv6( $ip ) ) { return false; } return $ip; } /** * Changes a boolean-like value into the proper boolean value. * * @since 4.7.0 * * @param bool|string|int $value The value being evaluated. * @return boolean Returns the proper associated boolean value. */ function rest_sanitize_boolean( $value ) { // String values are translated to `true`; make sure 'false' is false. if ( is_string( $value ) ) { $value = strtolower( $value ); if ( in_array( $value, array( 'false', '0' ), true ) ) { $value = false; } } // Everything else will map nicely to boolean. return (bool) $value; } /** * Determines if a given value is boolean-like. * * @since 4.7.0 * * @param bool|string $maybe_bool The value being evaluated. * @return boolean True if a boolean, otherwise false. */ function rest_is_boolean( $maybe_bool ) { if ( is_bool( $maybe_bool ) ) { return true; } if ( is_string( $maybe_bool ) ) { $maybe_bool = strtolower( $maybe_bool ); $valid_boolean_values = array( 'false', 'true', '0', '1', ); return in_array( $maybe_bool, $valid_boolean_values, true ); } if ( is_int( $maybe_bool ) ) { return in_array( $maybe_bool, array( 0, 1 ), true ); } return false; } /** * Retrieves the avatar urls in various sizes based on a given email address. * * @since 4.7.0 * * @see get_avatar_url() * * @param string $email Email address. * @return array $urls Gravatar url for each size. */ function rest_get_avatar_urls( $email ) { $avatar_sizes = rest_get_avatar_sizes(); $urls = array(); foreach ( $avatar_sizes as $size ) { $urls[ $size ] = get_avatar_url( $email, array( 'size' => $size ) ); } return $urls; } /** * Retrieves the pixel sizes for avatars. * * @since 4.7.0 * * @return array List of pixel sizes for avatars. Default `[ 24, 48, 96 ]`. */ function rest_get_avatar_sizes() { /** * Filters the REST avatar sizes. * * Use this filter to adjust the array of sizes returned by the * `rest_get_avatar_sizes` function. * * @since 4.4.0 * * @param array $sizes An array of int values that are the pixel sizes for avatars. * Default `[ 24, 48, 96 ]`. */ return apply_filters( 'rest_avatar_sizes', array( 24, 48, 96 ) ); } /** * Validate a value based on a schema. * * @since 4.7.0 * * @param mixed $value The value to validate. * @param array $args Schema array to use for validation. * @param string $param The parameter name, used in error messages. * @return true|WP_Error */ function rest_validate_value_from_schema( $value, $args, $param = '' ) { if ( 'array' === $args['type'] ) { if ( ! is_null( $value ) ) { $value = wp_parse_list( $value ); } if ( ! wp_is_numeric_array( $value ) ) { /* translators: 1: parameter, 2: type name */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'array' ) ); } foreach ( $value as $index => $v ) { $is_valid = rest_validate_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } } } if ( '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; } $value = wp_parse_list( $value ); foreach ( $value as $index => $v ) { $value[ $index ] = rest_sanitize_value_from_schema( $v, $args['items'] ); } // Normalize to numeric array so nothing unexpected // is in the keys. $value = array_values( $value ); return $value; } if ( 'object' === $args['type'] ) { if ( $value instanceof stdClass ) { $value = (array) $value; } if ( ! 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; } /** * Append result of internal request to REST API for purpose of preloading data to be attached to a page. * Expected to be called in the context of `array_reduce`. * * @since 5.0.0 * * @param array $memo Reduce accumulator. * @param string $path REST API path to preload. * @return array Modified reduce accumulator. */ function rest_preload_api_request( $memo, $path ) { // array_reduce() doesn't support passing an array in PHP 5.2, so we need to make sure we start with one. if ( ! is_array( $memo ) ) { $memo = array(); } if ( empty( $path ) ) { return $memo; } $method = 'GET'; if ( is_array( $path ) && 2 === count( $path ) ) { $method = end( $path ); $path = reset( $path ); if ( ! in_array( $method, array( 'GET', 'OPTIONS' ), true ) ) { $method = 'GET'; } } $path_parts = parse_url( $path ); if ( false === $path_parts ) { return $memo; } $request = new WP_REST_Request( $method, $path_parts['path'] ); if ( ! empty( $path_parts['query'] ) ) { parse_str( $path_parts['query'], $query_params ); $request->set_query_params( $query_params ); } $response = rest_do_request( $request ); if ( 200 === $response->status ) { $server = rest_get_server(); $data = (array) $response->get_data(); $links = $server->get_compact_response_links( $response ); if ( ! empty( $links ) ) { $data['_links'] = $links; } if ( 'OPTIONS' === $method ) { $response = rest_send_allow_header( $response, $server, $request ); $memo[ $method ][ $path ] = array( 'body' => $data, 'headers' => $response->headers, ); } else { $memo[ $path ] = array( 'body' => $data, 'headers' => $response->headers, ); } } return $memo; }