Hacked By AnonymousFox
<?php
/**
* REST API functions.
*
* @package WordPress
* @subpackage REST_API
* @since 4.4.0
*/
/**
* Version number for our API.
*
* @var string
*/
define( 'REST_API_VERSION', '2.0' );
/**
* Registers a REST API route.
*
* @since 4.4.0
*
* @param string $namespace The first URL segment after core prefix. Should be unique to your package/plugin.
* @param string $route The base URL for route you are adding.
* @param array $args Optional. Either an array of options for the endpoint, or an array of arrays for
* multiple methods. Default empty array.
* @param bool $override Optional. If the route already exists, should we override it? True overrides,
* false merges (with newer overriding if duplicate keys exist). Default false.
* @return bool True on success, false on error.
*/
function register_rest_route( $namespace, $route, $args = array(), $override = false ) {
if ( empty( $namespace ) ) {
/*
* Non-namespaced routes are not allowed, with the exception of the main
* and namespace indexes. If you really need to register a
* non-namespaced route, call `WP_REST_Server::register_route` directly.
*/
_doing_it_wrong( 'register_rest_route', __( 'Routes must be namespaced with plugin or theme name and version.' ), '4.4.0' );
return false;
} else if ( empty( $route ) ) {
_doing_it_wrong( 'register_rest_route', __( 'Route must be specified.' ), '4.4.0' );
return false;
}
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();
}
}
// 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();
// Settings.
$controller = new WP_REST_Settings_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 'wp-json'.
*/
return apply_filters( 'rest_url_prefix', 'wp-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 = '/';
}
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 .= '/' . ltrim( $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';
}
$path = '/' . ltrim( $path, '/' );
$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' );
}
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;
}
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