esources to embed. * * @since 5.4.0 * * @param string|array $embed Raw "_embed" parameter value. * @return true|string[] Either true to embed all embeds, or a list of relations to embed. */ function rest_parse_embed_param( $embed ) { if ( ! $embed || 'true' === $embed || '1' === $embed ) { return true; } $rels = wp_parse_list( $embed ); if ( ! $rels ) { return true; } return $rels; } /** * Filters the response to remove any fields not available in the given context. * * @since 5.5.0 * @since 5.6.0 Support the "patternProperties" keyword for objects. * Support the "anyOf" and "oneOf" keywords. * * @param array|object $data The response data to modify. * @param array $schema The schema for the endpoint used to filter the response. * @param string $context The requested context. * @return array|object The filtered response data. */ function rest_filter_response_by_context( $data, $schema, $context ) { if ( isset( $schema['anyOf'] ) ) { $matching_schema = rest_find_any_matching_schema( $data, $schema, '' ); if ( ! is_wp_error( $matching_schema ) ) { if ( ! isset( $schema['type'] ) ) { $schema['type'] = $matching_schema['type']; } $data = rest_filter_response_by_context( $data, $matching_schema, $context ); } } if ( isset( $schema['oneOf'] ) ) { $matching_schema = rest_find_one_matching_schema( $data, $schema, '', true ); if ( ! is_wp_error( $matching_schema ) ) { if ( ! isset( $schema['type'] ) ) { $schema['type'] = $matching_schema['type']; } $data = rest_filter_response_by_context( $data, $matching_schema, $context ); } } if ( ! is_array( $data ) && ! is_object( $data ) ) { return $data; } if ( isset( $schema['type'] ) ) { $type = $schema['type']; } elseif ( isset( $schema['properties'] ) ) { $type = 'object'; // Back compat if a developer accidentally omitted the type. } else { return $data; } $is_array_type = 'array' === $type || ( is_array( $type ) && in_array( 'array', $type, true ) ); $is_object_type = 'object' === $type || ( is_array( $type ) && in_array( 'object', $type, true ) ); if ( $is_array_type && $is_object_type ) { if ( rest_is_array( $data ) ) { $is_object_type = false; } else { $is_array_type = false; } } $has_additional_properties = $is_object_type && isset( $schema['additionalProperties'] ) && is_array( $schema['additionalProperties'] ); foreach ( $data as $key => $value ) { $check = array(); if ( $is_array_type ) { $check = isset( $schema['items'] ) ? $schema['items'] : array(); } elseif ( $is_object_type ) { if ( isset( $schema['properties'][ $key ] ) ) { $check = $schema['properties'][ $key ]; } else { $pattern_property_schema = rest_find_matching_pattern_property_schema( $key, $schema ); if ( null !== $pattern_property_schema ) { $check = $pattern_property_schema; } elseif ( $has_additional_properties ) { $check = $schema['additionalProperties']; } } } if ( ! isset( $check['context'] ) ) { continue; } if ( ! in_array( $context, $check['context'], true ) ) { if ( $is_array_type ) { // All array items share schema, so there's no need to check each one. $data = array(); break; } if ( is_object( $data ) ) { unset( $data->$key ); } else { unset( $data[ $key ] ); } } elseif ( is_array( $value ) || is_object( $value ) ) { $new_value = rest_filter_response_by_context( $value, $check, $context ); if ( is_object( $data ) ) { $data->$key = $new_value; } else { $data[ $key ] = $new_value; } } } return $data; } /** * Sets the "additionalProperties" to false by default for all object definitions in the schema. * * @since 5.5.0 * @since 5.6.0 Support the "patternProperties" keyword. * * @param array $schema The schema to modify. * @return array The modified schema. */ function rest_default_additional_properties_to_false( $schema ) { $type = (array) $schema['type']; if ( in_array( 'object', $type, true ) ) { if ( isset( $schema['properties'] ) ) { foreach ( $schema['properties'] as $key => $child_schema ) { $schema['properties'][ $key ] = rest_default_additional_properties_to_false( $child_schema ); } } if ( isset( $schema['patternProperties'] ) ) { foreach ( $schema['patternProperties'] as $key => $child_schema ) { $schema['patternProperties'][ $key ] = rest_default_additional_properties_to_false( $child_schema ); } } if ( ! isset( $schema['additionalProperties'] ) ) { $schema['additionalProperties'] = false; } } if ( in_array( 'array', $type, true ) ) { if ( isset( $schema['items'] ) ) { $schema['items'] = rest_default_additional_properties_to_false( $schema['items'] ); } } return $schema; } /** * Gets the REST API route for a post. * * @since 5.5.0 * * @param int|WP_Post $post Post ID or post object. * @return string The route path with a leading slash for the given post, or an empty string if there is not a route. */ function rest_get_route_for_post( $post ) { $post = get_post( $post ); if ( ! $post instanceof WP_Post ) { return ''; } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { return ''; } $controller = $post_type->get_rest_controller(); if ( ! $controller ) { return ''; } $route = ''; // The only two controllers that we can detect are the Attachments and Posts controllers. if ( in_array( get_class( $controller ), array( 'WP_REST_Attachments_Controller', 'WP_REST_Posts_Controller' ), true ) ) { $namespace = 'wp/v2'; $rest_base = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name; $route = sprintf( '/%s/%s/%d', $namespace, $rest_base, $post->ID ); } /** * Filters the REST API route for a post. * * @since 5.5.0 * * @param string $route The route path. * @param WP_Post $post The post object. */ return apply_filters( 'rest_route_for_post', $route, $post ); } /** * Gets the REST API route for a term. * * @since 5.5.0 * * @param int|WP_Term $term Term ID or term object. * @return string The route path with a leading slash for the given term, or an empty string if there is not a route. */ function rest_get_route_for_term( $term ) { $term = get_term( $term ); if ( ! $term instanceof WP_Term ) { return ''; } $taxonomy = get_taxonomy( $term->taxonomy ); if ( ! $taxonomy ) { return ''; } $controller = $taxonomy->get_rest_controller(); if ( ! $controller ) { return ''; } $route = ''; // The only controller that works is the Terms controller. if ( $controller instanceof WP_REST_Terms_Controller ) { $namespace = 'wp/v2'; $rest_base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; $route = sprintf( '/%s/%s/%d', $namespace, $rest_base, $term->term_id ); } /** * Filters the REST API route for a term. * * @since 5.5.0 * * @param string $route The route path. * @param WP_Term $term The term object. */ return apply_filters( 'rest_route_for_term', $route, $term ); } /** * Gets the REST route for the currently queried object. * * @since 5.5.0 * * @return string The REST route of the resource, or an empty string if no resource identified. */ function rest_get_queried_resource_route() { if ( is_singular() ) { $route = rest_get_route_for_post( get_queried_object() ); } elseif ( is_category() || is_tag() || is_tax() ) { $route = rest_get_route_for_term( get_queried_object() ); } elseif ( is_author() ) { $route = '/wp/v2/users/' . get_queried_object_id(); } else { $route = ''; } /** * Filters the REST route for the currently queried object. * * @since 5.5.0 * * @param string $link The route with a leading slash, or an empty string. */ return apply_filters( 'rest_queried_resource_route', $route ); } /** * Retrieves an array of endpoint arguments from the item schema and endpoint method. * * @since 5.6.0 * * @param array $schema The full JSON schema for the endpoint. * @param string $method Optional. HTTP method of the endpoint. The arguments for `CREATABLE` endpoints are * checked for required values and may fall-back to a given default, this is not done * on `EDITABLE` endpoints. Default WP_REST_Server::CREATABLE. * @return array The endpoint arguments. */ function rest_get_endpoint_args_for_schema( $schema, $method = WP_REST_Server::CREATABLE ) { $schema_properties = ! empty( $schema['properties'] ) ? $schema['properties'] : array(); $endpoint_args = array(); $valid_schema_properties = rest_get_allowed_schema_keywords(); $valid_schema_properties = array_diff( $valid_schema_properties, array( 'default', 'required' ) ); 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 ( 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 ( $valid_schema_properties 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; } /** * Converts an error to a response object. * * This iterates over all error codes and messages to change it into a flat * array. This enables simpler client behaviour, as it is represented as a * list in JSON rather than an object/map. * * @since 5.7.0 * * @param WP_Error $error WP_Error instance. * * @return WP_REST_Response List of associative arrays with code and message keys. */ function rest_convert_error_to_response( $error ) { $status = array_reduce( $error->get_all_error_data(), function ( $status, $error_data ) { return is_array( $error_data ) && isset( $error_data['status'] ) ? $error_data['status'] : $status; }, 500 ); $errors = array(); foreach ( (array) $error->errors as $code => $messages ) { $all_data = $error->get_all_error_data( $code ); $last_data = array_pop( $all_data ); foreach ( (array) $messages as $message ) { $formatted = array( 'code' => $code, 'message' => $message, 'data' => $last_data, ); if ( $all_data ) { $formatted['additional_data'] = $all_data; } $errors[] = $formatted; } } $data = $errors[0]; if ( count( $errors ) > 1 ) { // Remove the primary error. array_shift( $errors ); $data['additional_errors'] = $errors; } return new WP_REST_Response( $data, $status ); }