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<?php
/**
* 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
*/
#[AllowDynamicProperties]
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;
/**
* Cached results of get_item_schema.
*
* @since 5.3.0
* @var array
*/
protected $schema;
/**
* Registers the routes for the objects of the controller.
*
* @since 4.7.0
*
* @see register_rest_route()
*/
public function register_routes() {
_doing_it_wrong(
'WP_REST_Controller::register_routes',
/* translators: %s: register_routes() */
sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ),
'4.7.0'
);
}
/**
* Checks if a given request has access to get items.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function get_items_permissions_check( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_items( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
*/
public function get_item_permissions_check( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_item( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return true|WP_Error True if the request has access to create items, WP_Error object otherwise.
*/
public function create_item_permissions_check( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function create_item( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
*/
public function update_item_permissions_check( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function update_item( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
*/
public function delete_item_permissions_check( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function delete_item( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 object|WP_Error The prepared item, or WP_Error object on failure.
*/
protected function prepare_item_for_database( $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function prepare_item_for_response( $item, $request ) {
return new WP_Error(
'invalid-method',
/* translators: %s: Method name. */
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 $response_data Response data to filter.
* @param string $context Context defined in the schema.
* @return array Filtered response.
*/
public function filter_response_by_context( $response_data, $context ) {
$schema = $this->get_item_schema();
return rest_filter_response_by_context( $response_data, $schema, $context );
}
/**
* 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();
if ( ! empty( $schema['properties'] ) ) {
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 $response_data Prepared response array.
* @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( $response_data, $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 ( ! rest_is_field_included( $field_name, $requested_fields ) ) {
continue;
}
$response_data[ $field_name ] = call_user_func(
$field_options['get_callback'],
$response_data,
$field_name,
$request,
$this->get_object_type()
);
}
return $response_data;
}
/**
* Updates the values of additional fields added to a data object.
*
* @since 4.7.0
*
* @param object $data_object Data model like WP_Term or WP_Post.
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True on success, WP_Error object if a field cannot be updated.
*/
protected function update_additional_fields_for_object( $data_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 ],
$data_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
*
* @global array $wp_rest_additional_fields Holds registered fields, organized by object type.
*
* @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 ) {
global $wp_rest_additional_fields;
if ( ! $object_type ) {
$object_type = $this->get_object_type();
}
if ( ! $object_type ) {
return array();
}
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 string[] Fields to be included in the response.
*/
public function get_fields_for_response( $request ) {
$schema = $this->get_item_schema();
$properties = isset( $schema['properties'] ) ? $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'] ) ) {
$properties[ $field_name ] = $field_options;
}
}
// Exclude fields that specify a different context than the request context.
$context = $request['context'];
if ( $context ) {
foreach ( $properties as $name => $options ) {
if ( ! empty( $options['context'] ) && ! in_array( $context, $options['context'], true ) ) {
unset( $properties[ $name ] );
}
}
}
$fields = array_keys( $properties );
/*
* '_links' and '_embedded' are not typically part of the item schema,
* but they can be specified in '_fields', so they are added here as a
* convenience for checking with rest_is_field_included().
*/
$fields[] = '_links';
if ( $request->has_param( '_embed' ) ) {
$fields[] = '_embedded';
}
$fields = array_unique( $fields );
if ( ! isset( $request['_fields'] ) ) {
return $fields;
}
$requested_fields = wp_parse_list( $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 the list of all requested fields which appear in the schema.
return array_reduce(
$requested_fields,
static function( $response_fields, $field ) use ( $fields ) {
if ( in_array( $field, $fields, true ) ) {
$response_fields[] = $field;
return $response_fields;
}
// Check for nested fields if $field is not a direct match.
$nested_fields = explode( '.', $field );
/*
* A nested field is included so long as its top-level property
* is present in the schema.
*/
if ( in_array( $nested_fields[0], $fields, true ) ) {
$response_fields[] = $field;
}
return $response_fields;
},
array()
);
}
/**
* 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 ) {
return rest_get_endpoint_args_for_schema( $this->get_item_schema(), $method );
}
/**
* 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 );
}
}
<?php
/**
* REST API: WP_REST_Widgets_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 5.8.0
*/
/**
* Core class to access widgets via the REST API.
*
* @since 5.8.0
*
* @see WP_REST_Controller
*/
class WP_REST_Widgets_Controller extends WP_REST_Controller {
/**
* Tracks whether {@see retrieve_widgets()} has been called in the current request.
*
* @since 5.9.0
* @var bool
*/
protected $widgets_retrieved = false;
/**
* Whether the controller supports batching.
*
* @since 5.9.0
* @var array
*/
protected $allow_batch = array( 'v1' => true );
/**
* Widgets controller constructor.
*
* @since 5.8.0
*/
public function __construct() {
$this->namespace = 'wp/v2';
$this->rest_base = 'widgets';
}
/**
* Registers the widget routes for the controller.
*
* @since 5.8.0
*/
public function register_routes() {
register_rest_route(
$this->namespace,
$this->rest_base,
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_items' ),
'permission_callback' => array( $this, 'get_items_permissions_check' ),
'args' => $this->get_collection_params(),
),
array(
'methods' => WP_REST_Server::CREATABLE,
'callback' => array( $this, 'create_item' ),
'permission_callback' => array( $this, 'create_item_permissions_check' ),
'args' => $this->get_endpoint_args_for_item_schema(),
),
'allow_batch' => $this->allow_batch,
'schema' => array( $this, 'get_public_item_schema' ),
)
);
register_rest_route(
$this->namespace,
$this->rest_base . '/(?P<id>[\w\-]+)',
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this, 'get_item_permissions_check' ),
'args' => array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
),
),
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( $this, 'update_item' ),
'permission_callback' => array( $this, 'update_item_permissions_check' ),
'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
),
array(
'methods' => WP_REST_Server::DELETABLE,
'callback' => array( $this, 'delete_item' ),
'permission_callback' => array( $this, 'delete_item_permissions_check' ),
'args' => array(
'force' => array(
'description' => __( 'Whether to force removal of the widget, or move it to the inactive sidebar.' ),
'type' => 'boolean',
),
),
),
'allow_batch' => $this->allow_batch,
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Checks if a given request has access to get widgets.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function get_items_permissions_check( $request ) {
$this->retrieve_widgets();
if ( isset( $request['sidebar'] ) && $this->check_read_sidebar_permission( $request['sidebar'] ) ) {
return true;
}
foreach ( wp_get_sidebars_widgets() as $sidebar_id => $widget_ids ) {
if ( $this->check_read_sidebar_permission( $sidebar_id ) ) {
return true;
}
}
return $this->permissions_check( $request );
}
/**
* Retrieves a collection of widgets.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_items( $request ) {
$this->retrieve_widgets();
$prepared = array();
$permissions_check = $this->permissions_check( $request );
foreach ( wp_get_sidebars_widgets() as $sidebar_id => $widget_ids ) {
if ( isset( $request['sidebar'] ) && $sidebar_id !== $request['sidebar'] ) {
continue;
}
if ( is_wp_error( $permissions_check ) && ! $this->check_read_sidebar_permission( $sidebar_id ) ) {
continue;
}
foreach ( $widget_ids as $widget_id ) {
$response = $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request );
if ( ! is_wp_error( $response ) ) {
$prepared[] = $this->prepare_response_for_collection( $response );
}
}
}
return new WP_REST_Response( $prepared );
}
/**
* Checks if a given request has access to get a widget.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function get_item_permissions_check( $request ) {
$this->retrieve_widgets();
$widget_id = $request['id'];
$sidebar_id = wp_find_widgets_sidebar( $widget_id );
if ( $sidebar_id && $this->check_read_sidebar_permission( $sidebar_id ) ) {
return true;
}
return $this->permissions_check( $request );
}
/**
* Checks if a sidebar can be read publicly.
*
* @since 5.9.0
*
* @param string $sidebar_id The sidebar ID.
* @return bool Whether the sidebar can be read.
*/
protected function check_read_sidebar_permission( $sidebar_id ) {
$sidebar = wp_get_sidebar( $sidebar_id );
return ! empty( $sidebar['show_in_rest'] );
}
/**
* Gets an individual widget.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_item( $request ) {
$this->retrieve_widgets();
$widget_id = $request['id'];
$sidebar_id = wp_find_widgets_sidebar( $widget_id );
if ( is_null( $sidebar_id ) ) {
return new WP_Error(
'rest_widget_not_found',
__( 'No widget was found with that id.' ),
array( 'status' => 404 )
);
}
return $this->prepare_item_for_response( compact( 'widget_id', 'sidebar_id' ), $request );
}
/**
* Checks if a given request has access to create widgets.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function create_item_permissions_check( $request ) {
return $this->permissions_check( $request );
}
/**
* Creates a widget.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function create_item( $request ) {
$sidebar_id = $request['sidebar'];
$widget_id = $this->save_widget( $request, $sidebar_id );
if ( is_wp_error( $widget_id ) ) {
return $widget_id;
}
wp_assign_widget_to_sidebar( $widget_id, $sidebar_id );
$request['context'] = 'edit';
$response = $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request );
if ( is_wp_error( $response ) ) {
return $response;
}
$response->set_status( 201 );
return $response;
}
/**
* Checks if a given request has access to update widgets.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function update_item_permissions_check( $request ) {
return $this->permissions_check( $request );
}
/**
* Updates an existing widget.
*
* @since 5.8.0
*
* @global WP_Widget_Factory $wp_widget_factory
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function update_item( $request ) {
global $wp_widget_factory;
/*
* retrieve_widgets() contains logic to move "hidden" or "lost" widgets to the
* wp_inactive_widgets sidebar based on the contents of the $sidebars_widgets global.
*
* When batch requests are processed, this global is not properly updated by previous
* calls, resulting in widgets incorrectly being moved to the wp_inactive_widgets
* sidebar.
*
* See https://core.trac.wordpress.org/ticket/53657.
*/
wp_get_sidebars_widgets();
$this->retrieve_widgets();
$widget_id = $request['id'];
$sidebar_id = wp_find_widgets_sidebar( $widget_id );
// Allow sidebar to be unset or missing when widget is not a WP_Widget.
$parsed_id = wp_parse_widget_id( $widget_id );
$widget_object = $wp_widget_factory->get_widget_object( $parsed_id['id_base'] );
if ( is_null( $sidebar_id ) && $widget_object ) {
return new WP_Error(
'rest_widget_not_found',
__( 'No widget was found with that id.' ),
array( 'status' => 404 )
);
}
if (
$request->has_param( 'instance' ) ||
$request->has_param( 'form_data' )
) {
$maybe_error = $this->save_widget( $request, $sidebar_id );
if ( is_wp_error( $maybe_error ) ) {
return $maybe_error;
}
}
if ( $request->has_param( 'sidebar' ) ) {
if ( $sidebar_id !== $request['sidebar'] ) {
$sidebar_id = $request['sidebar'];
wp_assign_widget_to_sidebar( $widget_id, $sidebar_id );
}
}
$request['context'] = 'edit';
return $this->prepare_item_for_response( compact( 'widget_id', 'sidebar_id' ), $request );
}
/**
* Checks if a given request has access to delete widgets.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function delete_item_permissions_check( $request ) {
return $this->permissions_check( $request );
}
/**
* Deletes a widget.
*
* @since 5.8.0
*
* @global WP_Widget_Factory $wp_widget_factory
* @global array $wp_registered_widget_updates The registered widget update functions.
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function delete_item( $request ) {
global $wp_widget_factory, $wp_registered_widget_updates;
/*
* retrieve_widgets() contains logic to move "hidden" or "lost" widgets to the
* wp_inactive_widgets sidebar based on the contents of the $sidebars_widgets global.
*
* When batch requests are processed, this global is not properly updated by previous
* calls, resulting in widgets incorrectly being moved to the wp_inactive_widgets
* sidebar.
*
* See https://core.trac.wordpress.org/ticket/53657.
*/
wp_get_sidebars_widgets();
$this->retrieve_widgets();
$widget_id = $request['id'];
$sidebar_id = wp_find_widgets_sidebar( $widget_id );
if ( is_null( $sidebar_id ) ) {
return new WP_Error(
'rest_widget_not_found',
__( 'No widget was found with that id.' ),
array( 'status' => 404 )
);
}
$request['context'] = 'edit';
if ( $request['force'] ) {
$response = $this->prepare_item_for_response( compact( 'widget_id', 'sidebar_id' ), $request );
$parsed_id = wp_parse_widget_id( $widget_id );
$id_base = $parsed_id['id_base'];
$original_post = $_POST;
$original_request = $_REQUEST;
$_POST = array(
'sidebar' => $sidebar_id,
"widget-$id_base" => array(),
'the-widget-id' => $widget_id,
'delete_widget' => '1',
);
$_REQUEST = $_POST;
/** This action is documented in wp-admin/widgets-form.php */
do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );
$callback = $wp_registered_widget_updates[ $id_base ]['callback'];
$params = $wp_registered_widget_updates[ $id_base ]['params'];
if ( is_callable( $callback ) ) {
ob_start();
call_user_func_array( $callback, $params );
ob_end_clean();
}
$_POST = $original_post;
$_REQUEST = $original_request;
$widget_object = $wp_widget_factory->get_widget_object( $id_base );
if ( $widget_object ) {
/*
* WP_Widget sets `updated = true` after an update to prevent more than one widget
* from being saved per request. This isn't what we want in the REST API, though,
* as we support batch requests.
*/
$widget_object->updated = false;
}
wp_assign_widget_to_sidebar( $widget_id, '' );
$response->set_data(
array(
'deleted' => true,
'previous' => $response->get_data(),
)
);
} else {
wp_assign_widget_to_sidebar( $widget_id, 'wp_inactive_widgets' );
$response = $this->prepare_item_for_response(
array(
'sidebar_id' => 'wp_inactive_widgets',
'widget_id' => $widget_id,
),
$request
);
}
/**
* Fires after a widget is deleted via the REST API.
*
* @since 5.8.0
*
* @param string $widget_id ID of the widget marked for deletion.
* @param string $sidebar_id ID of the sidebar the widget was deleted from.
* @param WP_REST_Response|WP_Error $response The response data, or WP_Error object on failure.
* @param WP_REST_Request $request The request sent to the API.
*/
do_action( 'rest_delete_widget', $widget_id, $sidebar_id, $response, $request );
return $response;
}
/**
* Performs a permissions check for managing widgets.
*
* @since 5.8.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error
*/
protected function permissions_check( $request ) {
if ( ! current_user_can( 'edit_theme_options' ) ) {
return new WP_Error(
'rest_cannot_manage_widgets',
__( 'Sorry, you are not allowed to manage widgets on this site.' ),
array(
'status' => rest_authorization_required_code(),
)
);
}
return true;
}
/**
* Looks for "lost" widgets once per request.
*
* @since 5.9.0
*
* @see retrieve_widgets()
*/
protected function retrieve_widgets() {
if ( ! $this->widgets_retrieved ) {
retrieve_widgets();
$this->widgets_retrieved = true;
}
}
/**
* Saves the widget in the request object.
*
* @since 5.8.0
*
* @global WP_Widget_Factory $wp_widget_factory
* @global array $wp_registered_widget_updates The registered widget update functions.
*
* @param WP_REST_Request $request Full details about the request.
* @param string $sidebar_id ID of the sidebar the widget belongs to.
* @return string|WP_Error The saved widget ID.
*/
protected function save_widget( $request, $sidebar_id ) {
global $wp_widget_factory, $wp_registered_widget_updates;
require_once ABSPATH . 'wp-admin/includes/widgets.php'; // For next_widget_id_number().
if ( isset( $request['id'] ) ) {
// Saving an existing widget.
$id = $request['id'];
$parsed_id = wp_parse_widget_id( $id );
$id_base = $parsed_id['id_base'];
$number = isset( $parsed_id['number'] ) ? $parsed_id['number'] : null;
$widget_object = $wp_widget_factory->get_widget_object( $id_base );
$creating = false;
} elseif ( $request['id_base'] ) {
// Saving a new widget.
$id_base = $request['id_base'];
$widget_object = $wp_widget_factory->get_widget_object( $id_base );
$number = $widget_object ? next_widget_id_number( $id_base ) : null;
$id = $widget_object ? $id_base . '-' . $number : $id_base;
$creating = true;
} else {
return new WP_Error(
'rest_invalid_widget',
__( 'Widget type (id_base) is required.' ),
array( 'status' => 400 )
);
}
if ( ! isset( $wp_registered_widget_updates[ $id_base ] ) ) {
return new WP_Error(
'rest_invalid_widget',
__( 'The provided widget type (id_base) cannot be updated.' ),
array( 'status' => 400 )
);
}
if ( isset( $request['instance'] ) ) {
if ( ! $widget_object ) {
return new WP_Error(
'rest_invalid_widget',
__( 'Cannot set instance on a widget that does not extend WP_Widget.' ),
array( 'status' => 400 )
);
}
if ( isset( $request['instance']['raw'] ) ) {
if ( empty( $widget_object->widget_options['show_instance_in_rest'] ) ) {
return new WP_Error(
'rest_invalid_widget',
__( 'Widget type does not support raw instances.' ),
array( 'status' => 400 )
);
}
$instance = $request['instance']['raw'];
} elseif ( isset( $request['instance']['encoded'], $request['instance']['hash'] ) ) {
$serialized_instance = base64_decode( $request['instance']['encoded'] );
if ( ! hash_equals( wp_hash( $serialized_instance ), $request['instance']['hash'] ) ) {
return new WP_Error(
'rest_invalid_widget',
__( 'The provided instance is malformed.' ),
array( 'status' => 400 )
);
}
$instance = unserialize( $serialized_instance );
} else {
return new WP_Error(
'rest_invalid_widget',
__( 'The provided instance is invalid. Must contain raw OR encoded and hash.' ),
array( 'status' => 400 )
);
}
$form_data = array(
"widget-$id_base" => array(
$number => $instance,
),
'sidebar' => $sidebar_id,
);
} elseif ( isset( $request['form_data'] ) ) {
$form_data = $request['form_data'];
} else {
$form_data = array();
}
$original_post = $_POST;
$original_request = $_REQUEST;
foreach ( $form_data as $key => $value ) {
$slashed_value = wp_slash( $value );
$_POST[ $key ] = $slashed_value;
$_REQUEST[ $key ] = $slashed_value;
}
$callback = $wp_registered_widget_updates[ $id_base ]['callback'];
$params = $wp_registered_widget_updates[ $id_base ]['params'];
if ( is_callable( $callback ) ) {
ob_start();
call_user_func_array( $callback, $params );
ob_end_clean();
}
$_POST = $original_post;
$_REQUEST = $original_request;
if ( $widget_object ) {
// Register any multi-widget that the update callback just created.
$widget_object->_set( $number );
$widget_object->_register_one( $number );
/*
* WP_Widget sets `updated = true` after an update to prevent more than one widget
* from being saved per request. This isn't what we want in the REST API, though,
* as we support batch requests.
*/
$widget_object->updated = false;
}
/**
* Fires after a widget is created or updated via the REST API.
*
* @since 5.8.0
*
* @param string $id ID of the widget being saved.
* @param string $sidebar_id ID of the sidebar containing the widget being saved.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a widget, false when updating.
*/
do_action( 'rest_after_save_widget', $id, $sidebar_id, $request, $creating );
return $id;
}
/**
* Prepares the widget for the REST response.
*
* @since 5.8.0
*
* @global WP_Widget_Factory $wp_widget_factory
* @global array $wp_registered_widgets The registered widgets.
*
* @param array $item An array containing a widget_id and sidebar_id.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function prepare_item_for_response( $item, $request ) {
global $wp_widget_factory, $wp_registered_widgets;
$widget_id = $item['widget_id'];
$sidebar_id = $item['sidebar_id'];
if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
return new WP_Error(
'rest_invalid_widget',
__( 'The requested widget is invalid.' ),
array( 'status' => 500 )
);
}
$widget = $wp_registered_widgets[ $widget_id ];
$parsed_id = wp_parse_widget_id( $widget_id );
$fields = $this->get_fields_for_response( $request );
$prepared = array(
'id' => $widget_id,
'id_base' => $parsed_id['id_base'],
'sidebar' => $sidebar_id,
'rendered' => '',
'rendered_form' => null,
'instance' => null,
);
if (
rest_is_field_included( 'rendered', $fields ) &&
'wp_inactive_widgets' !== $sidebar_id
) {
$prepared['rendered'] = trim( wp_render_widget( $widget_id, $sidebar_id ) );
}
if ( rest_is_field_included( 'rendered_form', $fields ) ) {
$rendered_form = wp_render_widget_control( $widget_id );
if ( ! is_null( $rendered_form ) ) {
$prepared['rendered_form'] = trim( $rendered_form );
}
}
if ( rest_is_field_included( 'instance', $fields ) ) {
$widget_object = $wp_widget_factory->get_widget_object( $parsed_id['id_base'] );
if ( $widget_object && isset( $parsed_id['number'] ) ) {
$all_instances = $widget_object->get_settings();
$instance = $all_instances[ $parsed_id['number'] ];
$serialized_instance = serialize( $instance );
$prepared['instance']['encoded'] = base64_encode( $serialized_instance );
$prepared['instance']['hash'] = wp_hash( $serialized_instance );
if ( ! empty( $widget_object->widget_options['show_instance_in_rest'] ) ) {
// Use new stdClass so that JSON result is {} and not [].
$prepared['instance']['raw'] = empty( $instance ) ? new stdClass() : $instance;
}
}
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$prepared = $this->add_additional_fields_to_object( $prepared, $request );
$prepared = $this->filter_response_by_context( $prepared, $context );
$response = rest_ensure_response( $prepared );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$response->add_links( $this->prepare_links( $prepared ) );
}
/**
* Filters the REST API response for a widget.
*
* @since 5.8.0
*
* @param WP_REST_Response|WP_Error $response The response object, or WP_Error object on failure.
* @param array $widget The registered widget data.
* @param WP_REST_Request $request Request used to generate the response.
*/
return apply_filters( 'rest_prepare_widget', $response, $widget, $request );
}
/**
* Prepares links for the widget.
*
* @since 5.8.0
*
* @param array $prepared Widget.
* @return array Links for the given widget.
*/
protected function prepare_links( $prepared ) {
$id_base = ! empty( $prepared['id_base'] ) ? $prepared['id_base'] : $prepared['id'];
return array(
'self' => array(
'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $prepared['id'] ) ),
),
'collection' => array(
'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
),
'about' => array(
'href' => rest_url( sprintf( 'wp/v2/widget-types/%s', $id_base ) ),
'embeddable' => true,
),
'https://api.w.org/sidebar' => array(
'href' => rest_url( sprintf( 'wp/v2/sidebars/%s/', $prepared['sidebar'] ) ),
),
);
}
/**
* Gets the list of collection params.
*
* @since 5.8.0
*
* @return array[]
*/
public function get_collection_params() {
return array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
'sidebar' => array(
'description' => __( 'The sidebar to return widgets for.' ),
'type' => 'string',
),
);
}
/**
* Retrieves the widget's schema, conforming to JSON Schema.
*
* @since 5.8.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$this->schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'widget',
'type' => 'object',
'properties' => array(
'id' => array(
'description' => __( 'Unique identifier for the widget.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
),
'id_base' => array(
'description' => __( 'The type of the widget. Corresponds to ID in widget-types endpoint.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
),
'sidebar' => array(
'description' => __( 'The sidebar the widget belongs to.' ),
'type' => 'string',
'default' => 'wp_inactive_widgets',
'required' => true,
'context' => array( 'view', 'edit', 'embed' ),
),
'rendered' => array(
'description' => __( 'HTML representation of the widget.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'rendered_form' => array(
'description' => __( 'HTML representation of the widget admin form.' ),
'type' => 'string',
'context' => array( 'edit' ),
'readonly' => true,
),
'instance' => array(
'description' => __( 'Instance settings of the widget, if supported.' ),
'type' => 'object',
'context' => array( 'edit' ),
'default' => null,
'properties' => array(
'encoded' => array(
'description' => __( 'Base64 encoded representation of the instance settings.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'hash' => array(
'description' => __( 'Cryptographic hash of the instance settings.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'raw' => array(
'description' => __( 'Unencoded instance settings, if supported.' ),
'type' => 'object',
'context' => array( 'edit' ),
),
),
),
'form_data' => array(
'description' => __( 'URL-encoded form data from the widget admin form. Used to update a widget that does not support instance. Write only.' ),
'type' => 'string',
'context' => array(),
'arg_options' => array(
'sanitize_callback' => static function( $form_data ) {
$array = array();
wp_parse_str( $form_data, $array );
return $array;
},
),
),
),
);
return $this->add_additional_fields_schema( $this->schema );
}
}
<?php
/**
* REST API: WP_REST_Menus_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 5.9.0
*/
/**
* Core class used to managed menu terms associated via the REST API.
*
* @since 5.9.0
*
* @see WP_REST_Controller
*/
class WP_REST_Menus_Controller extends WP_REST_Terms_Controller {
/**
* Checks if a request has access to read menus.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error True if the request has read access, otherwise false or WP_Error object.
*/
public function get_items_permissions_check( $request ) {
$has_permission = parent::get_items_permissions_check( $request );
if ( true !== $has_permission ) {
return $has_permission;
}
return $this->check_has_read_only_access( $request );
}
/**
* Checks if a request has access to read or edit the specified menu.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error True if the request has read access for the item, otherwise false or WP_Error object.
*/
public function get_item_permissions_check( $request ) {
$has_permission = parent::get_item_permissions_check( $request );
if ( true !== $has_permission ) {
return $has_permission;
}
return $this->check_has_read_only_access( $request );
}
/**
* Gets the term, if the ID is valid.
*
* @since 5.9.0
*
* @param int $id Supplied ID.
* @return WP_Term|WP_Error Term object if ID is valid, WP_Error otherwise.
*/
protected function get_term( $id ) {
$term = parent::get_term( $id );
if ( is_wp_error( $term ) ) {
return $term;
}
$nav_term = wp_get_nav_menu_object( $term );
$nav_term->auto_add = $this->get_menu_auto_add( $nav_term->term_id );
return $nav_term;
}
/**
* Checks whether the current user has read permission for the endpoint.
*
* This allows for any user that can `edit_theme_options` or edit any REST API available post type.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error Whether the current user has permission.
*/
protected function check_has_read_only_access( $request ) {
if ( current_user_can( 'edit_theme_options' ) ) {
return true;
}
if ( current_user_can( 'edit_posts' ) ) {
return true;
}
foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
if ( current_user_can( $post_type->cap->edit_posts ) ) {
return true;
}
}
return new WP_Error(
'rest_cannot_view',
__( 'Sorry, you are not allowed to view menus.' ),
array( 'status' => rest_authorization_required_code() )
);
}
/**
* Prepares a single term output for response.
*
* @since 5.9.0
*
* @param WP_Term $term Term object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $term, $request ) {
$nav_menu = wp_get_nav_menu_object( $term );
$response = parent::prepare_item_for_response( $nav_menu, $request );
$fields = $this->get_fields_for_response( $request );
$data = $response->get_data();
if ( rest_is_field_included( 'locations', $fields ) ) {
$data['locations'] = $this->get_menu_locations( $nav_menu->term_id );
}
if ( rest_is_field_included( 'auto_add', $fields ) ) {
$data['auto_add'] = $this->get_menu_auto_add( $nav_menu->term_id );
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
$response = rest_ensure_response( $data );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$response->add_links( $this->prepare_links( $term ) );
}
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
return apply_filters( "rest_prepare_{$this->taxonomy}", $response, $term, $request );
}
/**
* Prepares links for the request.
*
* @since 5.9.0
*
* @param WP_Term $term Term object.
* @return array Links for the given term.
*/
protected function prepare_links( $term ) {
$links = parent::prepare_links( $term );
$locations = $this->get_menu_locations( $term->term_id );
foreach ( $locations as $location ) {
$url = rest_url( sprintf( 'wp/v2/menu-locations/%s', $location ) );
$links['https://api.w.org/menu-location'][] = array(
'href' => $url,
'embeddable' => true,
);
}
return $links;
}
/**
* Prepares a single term for create or update.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Request object.
* @return object Prepared term data.
*/
public function prepare_item_for_database( $request ) {
$prepared_term = parent::prepare_item_for_database( $request );
$schema = $this->get_item_schema();
if ( isset( $request['name'] ) && ! empty( $schema['properties']['name'] ) ) {
$prepared_term->{'menu-name'} = $request['name'];
}
return $prepared_term;
}
/**
* Creates a single term in a taxonomy.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function create_item( $request ) {
if ( isset( $request['parent'] ) ) {
if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
return new WP_Error( 'rest_taxonomy_not_hierarchical', __( 'Cannot set parent term, taxonomy is not hierarchical.' ), array( 'status' => 400 ) );
}
$parent = wp_get_nav_menu_object( (int) $request['parent'] );
if ( ! $parent ) {
return new WP_Error( 'rest_term_invalid', __( 'Parent term does not exist.' ), array( 'status' => 400 ) );
}
}
$prepared_term = $this->prepare_item_for_database( $request );
$term = wp_update_nav_menu_object( 0, wp_slash( (array) $prepared_term ) );
if ( is_wp_error( $term ) ) {
/*
* If we're going to inform the client that the term already exists,
* give them the identifier for future use.
*/
if ( in_array( 'menu_exists', $term->get_error_codes(), true ) ) {
$existing_term = get_term_by( 'name', $prepared_term->{'menu-name'}, $this->taxonomy );
$term->add_data( $existing_term->term_id, 'menu_exists' );
$term->add_data(
array(
'status' => 400,
'term_id' => $existing_term->term_id,
)
);
} else {
$term->add_data( array( 'status' => 400 ) );
}
return $term;
}
$term = $this->get_term( $term );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
do_action( "rest_insert_{$this->taxonomy}", $term, $request, true );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$locations_update = $this->handle_locations( $term->term_id, $request );
if ( is_wp_error( $locations_update ) ) {
return $locations_update;
}
$this->handle_auto_add( $term->term_id, $request );
$fields_update = $this->update_additional_fields_for_object( $term, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'view' );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, true );
$response = $this->prepare_item_for_response( $term, $request );
$response = rest_ensure_response( $response );
$response->set_status( 201 );
$response->header( 'Location', rest_url( $this->namespace . '/' . $this->rest_base . '/' . $term->term_id ) );
return $response;
}
/**
* Updates a single term from a taxonomy.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function update_item( $request ) {
$term = $this->get_term( $request['id'] );
if ( is_wp_error( $term ) ) {
return $term;
}
if ( isset( $request['parent'] ) ) {
if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
return new WP_Error( 'rest_taxonomy_not_hierarchical', __( 'Cannot set parent term, taxonomy is not hierarchical.' ), array( 'status' => 400 ) );
}
$parent = get_term( (int) $request['parent'], $this->taxonomy );
if ( ! $parent ) {
return new WP_Error( 'rest_term_invalid', __( 'Parent term does not exist.' ), array( 'status' => 400 ) );
}
}
$prepared_term = $this->prepare_item_for_database( $request );
// Only update the term if we have something to update.
if ( ! empty( $prepared_term ) ) {
if ( ! isset( $prepared_term->{'menu-name'} ) ) {
// wp_update_nav_menu_object() requires that the menu-name is always passed.
$prepared_term->{'menu-name'} = $term->name;
}
$update = wp_update_nav_menu_object( $term->term_id, wp_slash( (array) $prepared_term ) );
if ( is_wp_error( $update ) ) {
return $update;
}
}
$term = get_term( $term->term_id, $this->taxonomy );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
do_action( "rest_insert_{$this->taxonomy}", $term, $request, false );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$locations_update = $this->handle_locations( $term->term_id, $request );
if ( is_wp_error( $locations_update ) ) {
return $locations_update;
}
$this->handle_auto_add( $term->term_id, $request );
$fields_update = $this->update_additional_fields_for_object( $term, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'view' );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, false );
$response = $this->prepare_item_for_response( $term, $request );
return rest_ensure_response( $response );
}
/**
* Deletes a single term from a taxonomy.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function delete_item( $request ) {
$term = $this->get_term( $request['id'] );
if ( is_wp_error( $term ) ) {
return $term;
}
// We don't support trashing for terms.
if ( ! $request['force'] ) {
/* translators: %s: force=true */
return new WP_Error( 'rest_trash_not_supported', sprintf( __( "Menus do not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
}
$request->set_param( 'context', 'view' );
$previous = $this->prepare_item_for_response( $term, $request );
$result = wp_delete_nav_menu( $term );
if ( ! $result || is_wp_error( $result ) ) {
return new WP_Error( 'rest_cannot_delete', __( 'The menu cannot be deleted.' ), array( 'status' => 500 ) );
}
$response = new WP_REST_Response();
$response->set_data(
array(
'deleted' => true,
'previous' => $previous->get_data(),
)
);
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
do_action( "rest_delete_{$this->taxonomy}", $term, $response, $request );
return $response;
}
/**
* Returns the value of a menu's auto_add setting.
*
* @since 5.9.0
*
* @param int $menu_id The menu id to query.
* @return bool The value of auto_add.
*/
protected function get_menu_auto_add( $menu_id ) {
$nav_menu_option = (array) get_option( 'nav_menu_options', array( 'auto_add' => array() ) );
return in_array( $menu_id, $nav_menu_option['auto_add'], true );
}
/**
* Updates the menu's auto add from a REST request.
*
* @since 5.9.0
*
* @param int $menu_id The menu id to update.
* @param WP_REST_Request $request Full details about the request.
* @return bool True if the auto add setting was successfully updated.
*/
protected function handle_auto_add( $menu_id, $request ) {
if ( ! isset( $request['auto_add'] ) ) {
return true;
}
$nav_menu_option = (array) get_option( 'nav_menu_options', array( 'auto_add' => array() ) );
if ( ! isset( $nav_menu_option['auto_add'] ) ) {
$nav_menu_option['auto_add'] = array();
}
$auto_add = $request['auto_add'];
$i = array_search( $menu_id, $nav_menu_option['auto_add'], true );
if ( $auto_add && false === $i ) {
$nav_menu_option['auto_add'][] = $menu_id;
} elseif ( ! $auto_add && false !== $i ) {
array_splice( $nav_menu_option['auto_add'], $i, 1 );
}
$update = update_option( 'nav_menu_options', $nav_menu_option );
/** This action is documented in wp-includes/nav-menu.php */
do_action( 'wp_update_nav_menu', $menu_id );
return $update;
}
/**
* Returns the names of the locations assigned to the menu.
*
* @since 5.9.0
*
* @param int $menu_id The menu id.
* @return string[] The locations assigned to the menu.
*/
protected function get_menu_locations( $menu_id ) {
$locations = get_nav_menu_locations();
$menu_locations = array();
foreach ( $locations as $location => $assigned_menu_id ) {
if ( $menu_id === $assigned_menu_id ) {
$menu_locations[] = $location;
}
}
return $menu_locations;
}
/**
* Updates the menu's locations from a REST request.
*
* @since 5.9.0
*
* @param int $menu_id The menu id to update.
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True on success, a WP_Error on an error updating any of the locations.
*/
protected function handle_locations( $menu_id, $request ) {
if ( ! isset( $request['locations'] ) ) {
return true;
}
$menu_locations = get_registered_nav_menus();
$menu_locations = array_keys( $menu_locations );
$new_locations = array();
foreach ( $request['locations'] as $location ) {
if ( ! in_array( $location, $menu_locations, true ) ) {
return new WP_Error(
'rest_invalid_menu_location',
__( 'Invalid menu location.' ),
array(
'status' => 400,
'location' => $location,
)
);
}
$new_locations[ $location ] = $menu_id;
}
$assigned_menu = get_nav_menu_locations();
foreach ( $assigned_menu as $location => $term_id ) {
if ( $term_id === $menu_id ) {
unset( $assigned_menu[ $location ] );
}
}
$new_assignments = array_merge( $assigned_menu, $new_locations );
set_theme_mod( 'nav_menu_locations', $new_assignments );
return true;
}
/**
* Retrieves the term's schema, conforming to JSON Schema.
*
* @since 5.9.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$schema = parent::get_item_schema();
unset( $schema['properties']['count'], $schema['properties']['link'], $schema['properties']['taxonomy'] );
$schema['properties']['locations'] = array(
'description' => __( 'The locations assigned to the menu.' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'validate_callback' => static function ( $locations, $request, $param ) {
$valid = rest_validate_request_arg( $locations, $request, $param );
if ( true !== $valid ) {
return $valid;
}
$locations = rest_sanitize_request_arg( $locations, $request, $param );
foreach ( $locations as $location ) {
if ( ! array_key_exists( $location, get_registered_nav_menus() ) ) {
return new WP_Error(
'rest_invalid_menu_location',
__( 'Invalid menu location.' ),
array(
'location' => $location,
)
);
}
}
return true;
},
),
);
$schema['properties']['auto_add'] = array(
'description' => __( 'Whether to automatically add top level pages to this menu.' ),
'context' => array( 'view', 'edit' ),
'type' => 'boolean',
);
$this->schema = $schema;
return $this->add_additional_fields_schema( $this->schema );
}
}
<?php
/**
* REST API: WP_REST_URL_Details_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 5.9.0
*/
/**
* Controller which provides REST endpoint for retrieving information
* from a remote site's HTML response.
*
* @since 5.9.0
*
* @see WP_REST_Controller
*/
class WP_REST_URL_Details_Controller extends WP_REST_Controller {
/**
* Constructs the controller.
*
* @since 5.9.0
*/
public function __construct() {
$this->namespace = 'wp-block-editor/v1';
$this->rest_base = 'url-details';
}
/**
* Registers the necessary REST API routes.
*
* @since 5.9.0
*/
public function register_routes() {
register_rest_route(
$this->namespace,
'/' . $this->rest_base,
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'parse_url_details' ),
'args' => array(
'url' => array(
'required' => true,
'description' => __( 'The URL to process.' ),
'validate_callback' => 'wp_http_validate_url',
'sanitize_callback' => 'sanitize_url',
'type' => 'string',
'format' => 'uri',
),
),
'permission_callback' => array( $this, 'permissions_check' ),
'schema' => array( $this, 'get_public_item_schema' ),
),
)
);
}
/**
* Retrieves the item's schema, conforming to JSON Schema.
*
* @since 5.9.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$this->schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'url-details',
'type' => 'object',
'properties' => array(
'title' => array(
'description' => sprintf(
/* translators: %s: HTML title tag. */
__( 'The contents of the %s element from the URL.' ),
'<title>'
),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'icon' => array(
'description' => sprintf(
/* translators: %s: HTML link tag. */
__( 'The favicon image link of the %s element from the URL.' ),
'<link rel="icon">'
),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'description' => array(
'description' => sprintf(
/* translators: %s: HTML meta tag. */
__( 'The content of the %s element from the URL.' ),
'<meta name="description">'
),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'image' => array(
'description' => sprintf(
/* translators: 1: HTML meta tag, 2: HTML meta tag. */
__( 'The Open Graph image link of the %1$s or %2$s element from the URL.' ),
'<meta property="og:image">',
'<meta property="og:image:url">'
),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
return $this->add_additional_fields_schema( $this->schema );
}
/**
* Retrieves the contents of the title tag from the HTML response.
*
* @since 5.9.0
*
* @param WP_REST_REQUEST $request Full details about the request.
* @return WP_REST_Response|WP_Error The parsed details as a response object. WP_Error if there are errors.
*/
public function parse_url_details( $request ) {
$url = untrailingslashit( $request['url'] );
if ( empty( $url ) ) {
return new WP_Error( 'rest_invalid_url', __( 'Invalid URL' ), array( 'status' => 404 ) );
}
// Transient per URL.
$cache_key = $this->build_cache_key_for_url( $url );
// Attempt to retrieve cached response.
$cached_response = $this->get_cache( $cache_key );
if ( ! empty( $cached_response ) ) {
$remote_url_response = $cached_response;
} else {
$remote_url_response = $this->get_remote_url( $url );
// Exit if we don't have a valid body or it's empty.
if ( is_wp_error( $remote_url_response ) || empty( $remote_url_response ) ) {
return $remote_url_response;
}
// Cache the valid response.
$this->set_cache( $cache_key, $remote_url_response );
}
$html_head = $this->get_document_head( $remote_url_response );
$meta_elements = $this->get_meta_with_content_elements( $html_head );
$data = $this->add_additional_fields_to_object(
array(
'title' => $this->get_title( $html_head ),
'icon' => $this->get_icon( $html_head, $url ),
'description' => $this->get_description( $meta_elements ),
'image' => $this->get_image( $meta_elements, $url ),
),
$request
);
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
/**
* Filters the URL data for the response.
*
* @since 5.9.0
*
* @param WP_REST_Response $response The response object.
* @param string $url The requested URL.
* @param WP_REST_Request $request Request object.
* @param string $remote_url_response HTTP response body from the remote URL.
*/
return apply_filters( 'rest_prepare_url_details', $response, $url, $request, $remote_url_response );
}
/**
* Checks whether a given request has permission to read remote URLs.
*
* @since 5.9.0
*
* @return WP_Error|bool True if the request has permission, else WP_Error.
*/
public function permissions_check() {
if ( current_user_can( 'edit_posts' ) ) {
return true;
}
foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
if ( current_user_can( $post_type->cap->edit_posts ) ) {
return true;
}
}
return new WP_Error(
'rest_cannot_view_url_details',
__( 'Sorry, you are not allowed to process remote URLs.' ),
array( 'status' => rest_authorization_required_code() )
);
}
/**
* Retrieves the document title from a remote URL.
*
* @since 5.9.0
*
* @param string $url The website URL whose HTML to access.
* @return string|WP_Error The HTTP response from the remote URL on success.
* WP_Error if no response or no content.
*/
private function get_remote_url( $url ) {
/*
* Provide a modified UA string to workaround web properties which block WordPress "Pingbacks".
* Why? The UA string used for pingback requests contains `WordPress/` which is very similar
* to that used as the default UA string by the WP HTTP API. Therefore requests from this
* REST endpoint are being unintentionally blocked as they are misidentified as pingback requests.
* By slightly modifying the UA string, but still retaining the "WordPress" identification (via "WP")
* we are able to work around this issue.
* Example UA string: `WP-URLDetails/5.9-alpha-51389 (+http://localhost:8888)`.
*/
$modified_user_agent = 'WP-URLDetails/' . get_bloginfo( 'version' ) . ' (+' . get_bloginfo( 'url' ) . ')';
$args = array(
'limit_response_size' => 150 * KB_IN_BYTES,
'user-agent' => $modified_user_agent,
);
/**
* Filters the HTTP request args for URL data retrieval.
*
* Can be used to adjust response size limit and other WP_Http::request() args.
*
* @since 5.9.0
*
* @param array $args Arguments used for the HTTP request.
* @param string $url The attempted URL.
*/
$args = apply_filters( 'rest_url_details_http_request_args', $args, $url );
$response = wp_safe_remote_get( $url, $args );
if ( WP_Http::OK !== wp_remote_retrieve_response_code( $response ) ) {
// Not saving the error response to cache since the error might be temporary.
return new WP_Error(
'no_response',
__( 'URL not found. Response returned a non-200 status code for this URL.' ),
array( 'status' => WP_Http::NOT_FOUND )
);
}
$remote_body = wp_remote_retrieve_body( $response );
if ( empty( $remote_body ) ) {
return new WP_Error(
'no_content',
__( 'Unable to retrieve body from response at this URL.' ),
array( 'status' => WP_Http::NOT_FOUND )
);
}
return $remote_body;
}
/**
* Parses the title tag contents from the provided HTML.
*
* @since 5.9.0
*
* @param string $html The HTML from the remote website at URL.
* @return string The title tag contents on success. Empty string if not found.
*/
private function get_title( $html ) {
$pattern = '#<title[^>]*>(.*?)<\s*/\s*title>#is';
preg_match( $pattern, $html, $match_title );
if ( empty( $match_title[1] ) || ! is_string( $match_title[1] ) ) {
return '';
}
$title = trim( $match_title[1] );
return $this->prepare_metadata_for_output( $title );
}
/**
* Parses the site icon from the provided HTML.
*
* @since 5.9.0
*
* @param string $html The HTML from the remote website at URL.
* @param string $url The target website URL.
* @return string The icon URI on success. Empty string if not found.
*/
private function get_icon( $html, $url ) {
// Grab the icon's link element.
$pattern = '#<link\s[^>]*rel=(?:[\"\']??)\s*(?:icon|shortcut icon|icon shortcut)\s*(?:[\"\']??)[^>]*\/?>#isU';
preg_match( $pattern, $html, $element );
if ( empty( $element[0] ) || ! is_string( $element[0] ) ) {
return '';
}
$element = trim( $element[0] );
// Get the icon's href value.
$pattern = '#href=([\"\']??)([^\" >]*?)\\1[^>]*#isU';
preg_match( $pattern, $element, $icon );
if ( empty( $icon[2] ) || ! is_string( $icon[2] ) ) {
return '';
}
$icon = trim( $icon[2] );
// If the icon is a data URL, return it.
$parsed_icon = parse_url( $icon );
if ( isset( $parsed_icon['scheme'] ) && 'data' === $parsed_icon['scheme'] ) {
return $icon;
}
// Attempt to convert relative URLs to absolute.
if ( ! is_string( $url ) || '' === $url ) {
return $icon;
}
$parsed_url = parse_url( $url );
if ( isset( $parsed_url['scheme'] ) && isset( $parsed_url['host'] ) ) {
$root_url = $parsed_url['scheme'] . '://' . $parsed_url['host'] . '/';
$icon = WP_Http::make_absolute_url( $icon, $root_url );
}
return $icon;
}
/**
* Parses the meta description from the provided HTML.
*
* @since 5.9.0
*
* @param array $meta_elements {
* A multi-dimensional indexed array on success, else empty array.
*
* @type string[] $0 Meta elements with a content attribute.
* @type string[] $1 Content attribute's opening quotation mark.
* @type string[] $2 Content attribute's value for each meta element.
* }
* @return string The meta description contents on success. Empty string if not found.
*/
private function get_description( $meta_elements ) {
// Bail out if there are no meta elements.
if ( empty( $meta_elements[0] ) ) {
return '';
}
$description = $this->get_metadata_from_meta_element(
$meta_elements,
'name',
'(?:description|og:description)'
);
// Bail out if description not found.
if ( '' === $description ) {
return '';
}
return $this->prepare_metadata_for_output( $description );
}
/**
* Parses the Open Graph (OG) Image from the provided HTML.
*
* See: https://ogp.me/.
*
* @since 5.9.0
*
* @param array $meta_elements {
* A multi-dimensional indexed array on success, else empty array.
*
* @type string[] $0 Meta elements with a content attribute.
* @type string[] $1 Content attribute's opening quotation mark.
* @type string[] $2 Content attribute's value for each meta element.
* }
* @param string $url The target website URL.
* @return string The OG image on success. Empty string if not found.
*/
private function get_image( $meta_elements, $url ) {
$image = $this->get_metadata_from_meta_element(
$meta_elements,
'property',
'(?:og:image|og:image:url)'
);
// Bail out if image not found.
if ( '' === $image ) {
return '';
}
// Attempt to convert relative URLs to absolute.
$parsed_url = parse_url( $url );
if ( isset( $parsed_url['scheme'] ) && isset( $parsed_url['host'] ) ) {
$root_url = $parsed_url['scheme'] . '://' . $parsed_url['host'] . '/';
$image = WP_Http::make_absolute_url( $image, $root_url );
}
return $image;
}
/**
* Prepares the metadata by:
* - stripping all HTML tags and tag entities.
* - converting non-tag entities into characters.
*
* @since 5.9.0
*
* @param string $metadata The metadata content to prepare.
* @return string The prepared metadata.
*/
private function prepare_metadata_for_output( $metadata ) {
$metadata = html_entity_decode( $metadata, ENT_QUOTES, get_bloginfo( 'charset' ) );
$metadata = wp_strip_all_tags( $metadata );
return $metadata;
}
/**
* Utility function to build cache key for a given URL.
*
* @since 5.9.0
*
* @param string $url The URL for which to build a cache key.
* @return string The cache key.
*/
private function build_cache_key_for_url( $url ) {
return 'g_url_details_response_' . md5( $url );
}
/**
* Utility function to retrieve a value from the cache at a given key.
*
* @since 5.9.0
*
* @param string $key The cache key.
* @return mixed The value from the cache.
*/
private function get_cache( $key ) {
return get_site_transient( $key );
}
/**
* Utility function to cache a given data set at a given cache key.
*
* @since 5.9.0
*
* @param string $key The cache key under which to store the value.
* @param string $data The data to be stored at the given cache key.
* @return bool True when transient set. False if not set.
*/
private function set_cache( $key, $data = '' ) {
$ttl = HOUR_IN_SECONDS;
/**
* Filters the cache expiration.
*
* Can be used to adjust the time until expiration in seconds for the cache
* of the data retrieved for the given URL.
*
* @since 5.9.0
*
* @param int $ttl The time until cache expiration in seconds.
*/
$cache_expiration = apply_filters( 'rest_url_details_cache_expiration', $ttl );
return set_site_transient( $key, $data, $cache_expiration );
}
/**
* Retrieves the head element section.
*
* @since 5.9.0
*
* @param string $html The string of HTML to parse.
* @return string The `<head>..</head>` section on success. Given `$html` if not found.
*/
private function get_document_head( $html ) {
$head_html = $html;
// Find the opening `<head>` tag.
$head_start = strpos( $html, '<head' );
if ( false === $head_start ) {
// Didn't find it. Return the original HTML.
return $html;
}
// Find the closing `</head>` tag.
$head_end = strpos( $head_html, '</head>' );
if ( false === $head_end ) {
// Didn't find it. Find the opening `<body>` tag.
$head_end = strpos( $head_html, '<body' );
// Didn't find it. Return the original HTML.
if ( false === $head_end ) {
return $html;
}
}
// Extract the HTML from opening tag to the closing tag. Then add the closing tag.
$head_html = substr( $head_html, $head_start, $head_end );
$head_html .= '</head>';
return $head_html;
}
/**
* Gets all the meta tag elements that have a 'content' attribute.
*
* @since 5.9.0
*
* @param string $html The string of HTML to be parsed.
* @return array {
* A multi-dimensional indexed array on success, else empty array.
*
* @type string[] $0 Meta elements with a content attribute.
* @type string[] $1 Content attribute's opening quotation mark.
* @type string[] $2 Content attribute's value for each meta element.
* }
*/
private function get_meta_with_content_elements( $html ) {
/*
* Parse all meta elements with a content attribute.
*
* Why first search for the content attribute rather than directly searching for name=description element?
* tl;dr The content attribute's value will be truncated when it contains a > symbol.
*
* The content attribute's value (i.e. the description to get) can have HTML in it and be well-formed as
* it's a string to the browser. Imagine what happens when attempting to match for the name=description
* first. Hmm, if a > or /> symbol is in the content attribute's value, then it terminates the match
* as the element's closing symbol. But wait, it's in the content attribute and is not the end of the
* element. This is a limitation of using regex. It can't determine "wait a minute this is inside of quotation".
* If this happens, what gets matched is not the entire element or all of the content.
*
* Why not search for the name=description and then content="(.*)"?
* The attribute order could be opposite. Plus, additional attributes may exist including being between
* the name and content attributes.
*
* Why not lookahead?
* Lookahead is not constrained to stay within the element. The first <meta it finds may not include
* the name or content, but rather could be from a different element downstream.
*/
$pattern = '#<meta\s' .
/*
* Allows for additional attributes before the content attribute.
* Searches for anything other than > symbol.
*/
'[^>]*' .
/*
* Find the content attribute. When found, capture its value (.*).
*
* Allows for (a) single or double quotes and (b) whitespace in the value.
*
* Why capture the opening quotation mark, i.e. (["\']), and then backreference,
* i.e \1, for the closing quotation mark?
* To ensure the closing quotation mark matches the opening one. Why? Attribute values
* can contain quotation marks, such as an apostrophe in the content.
*/
'content=(["\']??)(.*)\1' .
/*
* Allows for additional attributes after the content attribute.
* Searches for anything other than > symbol.
*/
'[^>]*' .
/*
* \/?> searches for the closing > symbol, which can be in either /> or > format.
* # ends the pattern.
*/
'\/?>#' .
/*
* These are the options:
* - i : case insensitive
* - s : allows newline characters for the . match (needed for multiline elements)
* - U means non-greedy matching
*/
'isU';
preg_match_all( $pattern, $html, $elements );
return $elements;
}
/**
* Gets the metadata from a target meta element.
*
* @since 5.9.0
*
* @param array $meta_elements {
* A multi-dimensional indexed array on success, else empty array.
*
* @type string[] $0 Meta elements with a content attribute.
* @type string[] $1 Content attribute's opening quotation mark.
* @type string[] $2 Content attribute's value for each meta element.
* }
* @param string $attr Attribute that identifies the element with the target metadata.
* @param string $attr_value The attribute's value that identifies the element with the target metadata.
* @return string The metadata on success. Empty string if not found.
*/
private function get_metadata_from_meta_element( $meta_elements, $attr, $attr_value ) {
// Bail out if there are no meta elements.
if ( empty( $meta_elements[0] ) ) {
return '';
}
$metadata = '';
$pattern = '#' .
/*
* Target this attribute and value to find the metadata element.
*
* Allows for (a) no, single, double quotes and (b) whitespace in the value.
*
* Why capture the opening quotation mark, i.e. (["\']), and then backreference,
* i.e \1, for the closing quotation mark?
* To ensure the closing quotation mark matches the opening one. Why? Attribute values
* can contain quotation marks, such as an apostrophe in the content.
*/
$attr . '=([\"\']??)\s*' . $attr_value . '\s*\1' .
/*
* These are the options:
* - i : case insensitive
* - s : allows newline characters for the . match (needed for multiline elements)
* - U means non-greedy matching
*/
'#isU';
// Find the metadata element.
foreach ( $meta_elements[0] as $index => $element ) {
preg_match( $pattern, $element, $match );
// This is not the metadata element. Skip it.
if ( empty( $match ) ) {
continue;
}
/*
* Found the metadata element.
* Get the metadata from its matching content array.
*/
if ( isset( $meta_elements[2][ $index ] ) && is_string( $meta_elements[2][ $index ] ) ) {
$metadata = trim( $meta_elements[2][ $index ] );
}
break;
}
return $metadata;
}
}
<?php
/**
* REST API: WP_REST_Posts_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 4.7.0
*/
/**
* Core class to access posts via the REST API.
*
* @since 4.7.0
*
* @see WP_REST_Controller
*/
class WP_REST_Posts_Controller extends WP_REST_Controller {
/**
* Post type.
*
* @since 4.7.0
* @var string
*/
protected $post_type;
/**
* Instance of a post meta fields object.
*
* @since 4.7.0
* @var WP_REST_Post_Meta_Fields
*/
protected $meta;
/**
* Passwordless post access permitted.
*
* @since 5.7.1
* @var int[]
*/
protected $password_check_passed = array();
/**
* Whether the controller supports batching.
*
* @since 5.9.0
* @var array
*/
protected $allow_batch = array( 'v1' => true );
/**
* Constructor.
*
* @since 4.7.0
*
* @param string $post_type Post type.
*/
public function __construct( $post_type ) {
$this->post_type = $post_type;
$obj = get_post_type_object( $post_type );
$this->rest_base = ! empty( $obj->rest_base ) ? $obj->rest_base : $obj->name;
$this->namespace = ! empty( $obj->rest_namespace ) ? $obj->rest_namespace : 'wp/v2';
$this->meta = new WP_REST_Post_Meta_Fields( $this->post_type );
}
/**
* Registers the routes for posts.
*
* @since 4.7.0
*
* @see register_rest_route()
*/
public function register_routes() {
register_rest_route(
$this->namespace,
'/' . $this->rest_base,
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_items' ),
'permission_callback' => array( $this, 'get_items_permissions_check' ),
'args' => $this->get_collection_params(),
),
array(
'methods' => WP_REST_Server::CREATABLE,
'callback' => array( $this, 'create_item' ),
'permission_callback' => array( $this, 'create_item_permissions_check' ),
'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
),
'allow_batch' => $this->allow_batch,
'schema' => array( $this, 'get_public_item_schema' ),
)
);
$schema = $this->get_item_schema();
$get_item_args = array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
);
if ( isset( $schema['properties']['password'] ) ) {
$get_item_args['password'] = array(
'description' => __( 'The password for the post if it is password protected.' ),
'type' => 'string',
);
}
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/(?P<id>[\d]+)',
array(
'args' => array(
'id' => array(
'description' => __( 'Unique identifier for the post.' ),
'type' => 'integer',
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this, 'get_item_permissions_check' ),
'args' => $get_item_args,
),
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( $this, 'update_item' ),
'permission_callback' => array( $this, 'update_item_permissions_check' ),
'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
),
array(
'methods' => WP_REST_Server::DELETABLE,
'callback' => array( $this, 'delete_item' ),
'permission_callback' => array( $this, 'delete_item_permissions_check' ),
'args' => array(
'force' => array(
'type' => 'boolean',
'default' => false,
'description' => __( 'Whether to bypass Trash and force deletion.' ),
),
),
),
'allow_batch' => $this->allow_batch,
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Checks if a given request has access to read posts.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function get_items_permissions_check( $request ) {
$post_type = get_post_type_object( $this->post_type );
if ( 'edit' === $request['context'] && ! current_user_can( $post_type->cap->edit_posts ) ) {
return new WP_Error(
'rest_forbidden_context',
__( 'Sorry, you are not allowed to edit posts in this post type.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Overrides the result of the post password check for REST requested posts.
*
* Allow users to read the content of password protected posts if they have
* previously passed a permission check or if they have the `edit_post` capability
* for the post being checked.
*
* @since 5.7.1
*
* @param bool $required Whether the post requires a password check.
* @param WP_Post $post The post been password checked.
* @return bool Result of password check taking in to account REST API considerations.
*/
public function check_password_required( $required, $post ) {
if ( ! $required ) {
return $required;
}
$post = get_post( $post );
if ( ! $post ) {
return $required;
}
if ( ! empty( $this->password_check_passed[ $post->ID ] ) ) {
// Password previously checked and approved.
return false;
}
return ! current_user_can( 'edit_post', $post->ID );
}
/**
* Retrieves a collection of posts.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_items( $request ) {
// Ensure a search string is set in case the orderby is set to 'relevance'.
if ( ! empty( $request['orderby'] ) && 'relevance' === $request['orderby'] && empty( $request['search'] ) ) {
return new WP_Error(
'rest_no_search_term_defined',
__( 'You need to define a search term to order by relevance.' ),
array( 'status' => 400 )
);
}
// Ensure an include parameter is set in case the orderby is set to 'include'.
if ( ! empty( $request['orderby'] ) && 'include' === $request['orderby'] && empty( $request['include'] ) ) {
return new WP_Error(
'rest_orderby_include_missing_include',
__( 'You need to define an include parameter to order by include.' ),
array( 'status' => 400 )
);
}
// Retrieve the list of registered collection query parameters.
$registered = $this->get_collection_params();
$args = array();
/*
* This array defines mappings between public API query parameters whose
* values are accepted as-passed, and their internal WP_Query parameter
* name equivalents (some are the same). Only values which are also
* present in $registered will be set.
*/
$parameter_mappings = array(
'author' => 'author__in',
'author_exclude' => 'author__not_in',
'exclude' => 'post__not_in',
'include' => 'post__in',
'menu_order' => 'menu_order',
'offset' => 'offset',
'order' => 'order',
'orderby' => 'orderby',
'page' => 'paged',
'parent' => 'post_parent__in',
'parent_exclude' => 'post_parent__not_in',
'search' => 's',
'search_columns' => 'search_columns',
'slug' => 'post_name__in',
'status' => 'post_status',
);
/*
* For each known parameter which is both registered and present in the request,
* set the parameter's value on the query $args.
*/
foreach ( $parameter_mappings as $api_param => $wp_param ) {
if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
$args[ $wp_param ] = $request[ $api_param ];
}
}
// Check for & assign any parameters which require special handling or setting.
$args['date_query'] = array();
if ( isset( $registered['before'], $request['before'] ) ) {
$args['date_query'][] = array(
'before' => $request['before'],
'column' => 'post_date',
);
}
if ( isset( $registered['modified_before'], $request['modified_before'] ) ) {
$args['date_query'][] = array(
'before' => $request['modified_before'],
'column' => 'post_modified',
);
}
if ( isset( $registered['after'], $request['after'] ) ) {
$args['date_query'][] = array(
'after' => $request['after'],
'column' => 'post_date',
);
}
if ( isset( $registered['modified_after'], $request['modified_after'] ) ) {
$args['date_query'][] = array(
'after' => $request['modified_after'],
'column' => 'post_modified',
);
}
// Ensure our per_page parameter overrides any provided posts_per_page filter.
if ( isset( $registered['per_page'] ) ) {
$args['posts_per_page'] = $request['per_page'];
}
if ( isset( $registered['sticky'], $request['sticky'] ) ) {
$sticky_posts = get_option( 'sticky_posts', array() );
if ( ! is_array( $sticky_posts ) ) {
$sticky_posts = array();
}
if ( $request['sticky'] ) {
/*
* As post__in will be used to only get sticky posts,
* we have to support the case where post__in was already
* specified.
*/
$args['post__in'] = $args['post__in'] ? array_intersect( $sticky_posts, $args['post__in'] ) : $sticky_posts;
/*
* If we intersected, but there are no post IDs in common,
* WP_Query won't return "no posts" for post__in = array()
* so we have to fake it a bit.
*/
if ( ! $args['post__in'] ) {
$args['post__in'] = array( 0 );
}
} elseif ( $sticky_posts ) {
/*
* As post___not_in will be used to only get posts that
* are not sticky, we have to support the case where post__not_in
* was already specified.
*/
$args['post__not_in'] = array_merge( $args['post__not_in'], $sticky_posts );
}
}
$args = $this->prepare_tax_query( $args, $request );
// Force the post_type argument, since it's not a user input variable.
$args['post_type'] = $this->post_type;
/**
* Filters WP_Query arguments when querying posts via the REST API.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_post_query`
* - `rest_page_query`
* - `rest_attachment_query`
*
* Enables adding extra arguments or setting defaults for a post collection request.
*
* @since 4.7.0
* @since 5.7.0 Moved after the `tax_query` query arg is generated.
*
* @link https://developer.wordpress.org/reference/classes/wp_query/
*
* @param array $args Array of arguments for WP_Query.
* @param WP_REST_Request $request The REST API request.
*/
$args = apply_filters( "rest_{$this->post_type}_query", $args, $request );
$query_args = $this->prepare_items_query( $args, $request );
$posts_query = new WP_Query();
$query_result = $posts_query->query( $query_args );
// Allow access to all password protected posts if the context is edit.
if ( 'edit' === $request['context'] ) {
add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );
}
$posts = array();
update_post_author_caches( $query_result );
update_post_parent_caches( $query_result );
if ( post_type_supports( $this->post_type, 'thumbnail' ) ) {
update_post_thumbnail_cache( $posts_query );
}
foreach ( $query_result as $post ) {
if ( ! $this->check_read_permission( $post ) ) {
continue;
}
$data = $this->prepare_item_for_response( $post, $request );
$posts[] = $this->prepare_response_for_collection( $data );
}
// Reset filter.
if ( 'edit' === $request['context'] ) {
remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );
}
$page = (int) $query_args['paged'];
$total_posts = $posts_query->found_posts;
if ( $total_posts < 1 && $page > 1 ) {
// Out-of-bounds, run the query again without LIMIT for total count.
unset( $query_args['paged'] );
$count_query = new WP_Query();
$count_query->query( $query_args );
$total_posts = $count_query->found_posts;
}
$max_pages = ceil( $total_posts / (int) $posts_query->query_vars['posts_per_page'] );
if ( $page > $max_pages && $total_posts > 0 ) {
return new WP_Error(
'rest_post_invalid_page_number',
__( 'The page number requested is larger than the number of pages available.' ),
array( 'status' => 400 )
);
}
$response = rest_ensure_response( $posts );
$response->header( 'X-WP-Total', (int) $total_posts );
$response->header( 'X-WP-TotalPages', (int) $max_pages );
$request_params = $request->get_query_params();
$collection_url = rest_url( rest_get_route_for_post_type_items( $this->post_type ) );
$base = add_query_arg( urlencode_deep( $request_params ), $collection_url );
if ( $page > 1 ) {
$prev_page = $page - 1;
if ( $prev_page > $max_pages ) {
$prev_page = $max_pages;
}
$prev_link = add_query_arg( 'page', $prev_page, $base );
$response->link_header( 'prev', $prev_link );
}
if ( $max_pages > $page ) {
$next_page = $page + 1;
$next_link = add_query_arg( 'page', $next_page, $base );
$response->link_header( 'next', $next_link );
}
return $response;
}
/**
* Gets the post, if the ID is valid.
*
* @since 4.7.2
*
* @param int $id Supplied ID.
* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
*/
protected function get_post( $id ) {
$error = new WP_Error(
'rest_post_invalid_id',
__( 'Invalid post ID.' ),
array( 'status' => 404 )
);
if ( (int) $id <= 0 ) {
return $error;
}
$post = get_post( (int) $id );
if ( empty( $post ) || empty( $post->ID ) || $this->post_type !== $post->post_type ) {
return $error;
}
return $post;
}
/**
* Checks if a given request has access to read a post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
*/
public function get_item_permissions_check( $request ) {
$post = $this->get_post( $request['id'] );
if ( is_wp_error( $post ) ) {
return $post;
}
if ( 'edit' === $request['context'] && $post && ! $this->check_update_permission( $post ) ) {
return new WP_Error(
'rest_forbidden_context',
__( 'Sorry, you are not allowed to edit this post.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( $post && ! empty( $request['password'] ) ) {
// Check post password, and return error if invalid.
if ( ! hash_equals( $post->post_password, $request['password'] ) ) {
return new WP_Error(
'rest_post_incorrect_password',
__( 'Incorrect post password.' ),
array( 'status' => 403 )
);
}
}
// Allow access to all password protected posts if the context is edit.
if ( 'edit' === $request['context'] ) {
add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );
}
if ( $post ) {
return $this->check_read_permission( $post );
}
return true;
}
/**
* Checks if the user can access password-protected content.
*
* This method determines whether we need to override the regular password
* check in core with a filter.
*
* @since 4.7.0
*
* @param WP_Post $post Post to check against.
* @param WP_REST_Request $request Request data to check.
* @return bool True if the user can access password-protected content, otherwise false.
*/
public function can_access_password_content( $post, $request ) {
if ( empty( $post->post_password ) ) {
// No filter required.
return false;
}
/*
* Users always gets access to password protected content in the edit
* context if they have the `edit_post` meta capability.
*/
if (
'edit' === $request['context'] &&
current_user_can( 'edit_post', $post->ID )
) {
return true;
}
// No password, no auth.
if ( empty( $request['password'] ) ) {
return false;
}
// Double-check the request password.
return hash_equals( $post->post_password, $request['password'] );
}
/**
* Retrieves a single post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_item( $request ) {
$post = $this->get_post( $request['id'] );
if ( is_wp_error( $post ) ) {
return $post;
}
$data = $this->prepare_item_for_response( $post, $request );
$response = rest_ensure_response( $data );
if ( is_post_type_viewable( get_post_type_object( $post->post_type ) ) ) {
$response->link_header( 'alternate', get_permalink( $post->ID ), array( 'type' => 'text/html' ) );
}
return $response;
}
/**
* Checks if a given request has access to create a post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has access to create items, WP_Error object otherwise.
*/
public function create_item_permissions_check( $request ) {
if ( ! empty( $request['id'] ) ) {
return new WP_Error(
'rest_post_exists',
__( 'Cannot create existing post.' ),
array( 'status' => 400 )
);
}
$post_type = get_post_type_object( $this->post_type );
if ( ! empty( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( $post_type->cap->edit_others_posts ) ) {
return new WP_Error(
'rest_cannot_edit_others',
__( 'Sorry, you are not allowed to create posts as this user.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) && ! current_user_can( $post_type->cap->publish_posts ) ) {
return new WP_Error(
'rest_cannot_assign_sticky',
__( 'Sorry, you are not allowed to make posts sticky.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( ! current_user_can( $post_type->cap->create_posts ) ) {
return new WP_Error(
'rest_cannot_create',
__( 'Sorry, you are not allowed to create posts as this user.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( ! $this->check_assign_terms_permission( $request ) ) {
return new WP_Error(
'rest_cannot_assign_term',
__( 'Sorry, you are not allowed to assign the provided terms.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Creates a single post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function create_item( $request ) {
if ( ! empty( $request['id'] ) ) {
return new WP_Error(
'rest_post_exists',
__( 'Cannot create existing post.' ),
array( 'status' => 400 )
);
}
$prepared_post = $this->prepare_item_for_database( $request );
if ( is_wp_error( $prepared_post ) ) {
return $prepared_post;
}
$prepared_post->post_type = $this->post_type;
if ( ! empty( $prepared_post->post_name )
&& ! empty( $prepared_post->post_status )
&& in_array( $prepared_post->post_status, array( 'draft', 'pending' ), true )
) {
/*
* `wp_unique_post_slug()` returns the same slug for 'draft' or 'pending' posts.
*
* To ensure that a unique slug is generated, pass the post data with the 'publish' status.
*/
$prepared_post->post_name = wp_unique_post_slug(
$prepared_post->post_name,
$prepared_post->id,
'publish',
$prepared_post->post_type,
$prepared_post->post_parent
);
}
$post_id = wp_insert_post( wp_slash( (array) $prepared_post ), true, false );
if ( is_wp_error( $post_id ) ) {
if ( 'db_insert_error' === $post_id->get_error_code() ) {
$post_id->add_data( array( 'status' => 500 ) );
} else {
$post_id->add_data( array( 'status' => 400 ) );
}
return $post_id;
}
$post = get_post( $post_id );
/**
* Fires after a single post is created or updated via the REST API.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_insert_post`
* - `rest_insert_page`
* - `rest_insert_attachment`
*
* @since 4.7.0
*
* @param WP_Post $post Inserted or updated post object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a post, false when updating.
*/
do_action( "rest_insert_{$this->post_type}", $post, $request, true );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['sticky'] ) ) {
if ( ! empty( $request['sticky'] ) ) {
stick_post( $post_id );
} else {
unstick_post( $post_id );
}
}
if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {
$this->handle_featured_media( $request['featured_media'], $post_id );
}
if ( ! empty( $schema['properties']['format'] ) && ! empty( $request['format'] ) ) {
set_post_format( $post, $request['format'] );
}
if ( ! empty( $schema['properties']['template'] ) && isset( $request['template'] ) ) {
$this->handle_template( $request['template'], $post_id, true );
}
$terms_update = $this->handle_terms( $post_id, $request );
if ( is_wp_error( $terms_update ) ) {
return $terms_update;
}
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $post_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$post = get_post( $post_id );
$fields_update = $this->update_additional_fields_for_object( $post, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'edit' );
/**
* Fires after a single post is completely created or updated via the REST API.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_after_insert_post`
* - `rest_after_insert_page`
* - `rest_after_insert_attachment`
*
* @since 5.0.0
*
* @param WP_Post $post Inserted or updated post object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a post, false when updating.
*/
do_action( "rest_after_insert_{$this->post_type}", $post, $request, true );
wp_after_insert_post( $post, false, null );
$response = $this->prepare_item_for_response( $post, $request );
$response = rest_ensure_response( $response );
$response->set_status( 201 );
$response->header( 'Location', rest_url( rest_get_route_for_post( $post ) ) );
return $response;
}
/**
* Checks if a given request has access to update a post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
*/
public function update_item_permissions_check( $request ) {
$post = $this->get_post( $request['id'] );
if ( is_wp_error( $post ) ) {
return $post;
}
$post_type = get_post_type_object( $this->post_type );
if ( $post && ! $this->check_update_permission( $post ) ) {
return new WP_Error(
'rest_cannot_edit',
__( 'Sorry, you are not allowed to edit this post.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( ! empty( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( $post_type->cap->edit_others_posts ) ) {
return new WP_Error(
'rest_cannot_edit_others',
__( 'Sorry, you are not allowed to update posts as this user.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) && ! current_user_can( $post_type->cap->publish_posts ) ) {
return new WP_Error(
'rest_cannot_assign_sticky',
__( 'Sorry, you are not allowed to make posts sticky.' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( ! $this->check_assign_terms_permission( $request ) ) {
return new WP_Error(
'rest_cannot_assign_term',
__( 'Sorry, you are not allowed to assign the provided terms.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Updates a single post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function update_item( $request ) {
$valid_check = $this->get_post( $request['id'] );
if ( is_wp_error( $valid_check ) ) {
return $valid_check;
}
$post_before = get_post( $request['id'] );
$post = $this->prepare_item_for_database( $request );
if ( is_wp_error( $post ) ) {
return $post;
}
if ( ! empty( $post->post_status ) ) {
$post_status = $post->post_status;
} else {
$post_status = $post_before->post_status;
}
/*
* `wp_unique_post_slug()` returns the same slug for 'draft' or 'pending' posts.
*
* To ensure that a unique slug is generated, pass the post data with the 'publish' status.
*/
if ( ! empty( $post->post_name ) && in_array( $post_status, array( 'draft', 'pending' ), true ) ) {
$post_parent = ! empty( $post->post_parent ) ? $post->post_parent : 0;
$post->post_name = wp_unique_post_slug(
$post->post_name,
$post->ID,
'publish',
$post->post_type,
$post_parent
);
}
// Convert the post object to an array, otherwise wp_update_post() will expect non-escaped input.
$post_id = wp_update_post( wp_slash( (array) $post ), true, false );
if ( is_wp_error( $post_id ) ) {
if ( 'db_update_error' === $post_id->get_error_code() ) {
$post_id->add_data( array( 'status' => 500 ) );
} else {
$post_id->add_data( array( 'status' => 400 ) );
}
return $post_id;
}
$post = get_post( $post_id );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */
do_action( "rest_insert_{$this->post_type}", $post, $request, false );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['format'] ) && ! empty( $request['format'] ) ) {
set_post_format( $post, $request['format'] );
}
if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {
$this->handle_featured_media( $request['featured_media'], $post_id );
}
if ( ! empty( $schema['properties']['sticky'] ) && isset( $request['sticky'] ) ) {
if ( ! empty( $request['sticky'] ) ) {
stick_post( $post_id );
} else {
unstick_post( $post_id );
}
}
if ( ! empty( $schema['properties']['template'] ) && isset( $request['template'] ) ) {
$this->handle_template( $request['template'], $post->ID );
}
$terms_update = $this->handle_terms( $post->ID, $request );
if ( is_wp_error( $terms_update ) ) {
return $terms_update;
}
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $post->ID );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$post = get_post( $post_id );
$fields_update = $this->update_additional_fields_for_object( $post, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'edit' );
// Filter is fired in WP_REST_Attachments_Controller subclass.
if ( 'attachment' === $this->post_type ) {
$response = $this->prepare_item_for_response( $post, $request );
return rest_ensure_response( $response );
}
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */
do_action( "rest_after_insert_{$this->post_type}", $post, $request, false );
wp_after_insert_post( $post, true, $post_before );
$response = $this->prepare_item_for_response( $post, $request );
return rest_ensure_response( $response );
}
/**
* Checks if a given request has access to delete a post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
*/
public function delete_item_permissions_check( $request ) {
$post = $this->get_post( $request['id'] );
if ( is_wp_error( $post ) ) {
return $post;
}
if ( $post && ! $this->check_delete_permission( $post ) ) {
return new WP_Error(
'rest_cannot_delete',
__( 'Sorry, you are not allowed to delete this post.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Deletes a single post.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function delete_item( $request ) {
$post = $this->get_post( $request['id'] );
if ( is_wp_error( $post ) ) {
return $post;
}
$id = $post->ID;
$force = (bool) $request['force'];
$supports_trash = ( EMPTY_TRASH_DAYS > 0 );
if ( 'attachment' === $post->post_type ) {
$supports_trash = $supports_trash && MEDIA_TRASH;
}
/**
* Filters whether a post is trashable.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_post_trashable`
* - `rest_page_trashable`
* - `rest_attachment_trashable`
*
* Pass false to disable Trash support for the post.
*
* @since 4.7.0
*
* @param bool $supports_trash Whether the post type support trashing.
* @param WP_Post $post The Post object being considered for trashing support.
*/
$supports_trash = apply_filters( "rest_{$this->post_type}_trashable", $supports_trash, $post );
if ( ! $this->check_delete_permission( $post ) ) {
return new WP_Error(
'rest_user_cannot_delete_post',
__( 'Sorry, you are not allowed to delete this post.' ),
array( 'status' => rest_authorization_required_code() )
);
}
$request->set_param( 'context', 'edit' );
// If we're forcing, then delete permanently.
if ( $force ) {
$previous = $this->prepare_item_for_response( $post, $request );
$result = wp_delete_post( $id, true );
$response = new WP_REST_Response();
$response->set_data(
array(
'deleted' => true,
'previous' => $previous->get_data(),
)
);
} else {
// If we don't support trashing for this type, error out.
if ( ! $supports_trash ) {
return new WP_Error(
'rest_trash_not_supported',
/* translators: %s: force=true */
sprintf( __( "The post does not support trashing. Set '%s' to delete." ), 'force=true' ),
array( 'status' => 501 )
);
}
// Otherwise, only trash if we haven't already.
if ( 'trash' === $post->post_status ) {
return new WP_Error(
'rest_already_trashed',
__( 'The post has already been deleted.' ),
array( 'status' => 410 )
);
}
/*
* (Note that internally this falls through to `wp_delete_post()`
* if the Trash is disabled.)
*/
$result = wp_trash_post( $id );
$post = get_post( $id );
$response = $this->prepare_item_for_response( $post, $request );
}
if ( ! $result ) {
return new WP_Error(
'rest_cannot_delete',
__( 'The post cannot be deleted.' ),
array( 'status' => 500 )
);
}
/**
* Fires immediately after a single post is deleted or trashed via the REST API.
*
* They dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_delete_post`
* - `rest_delete_page`
* - `rest_delete_attachment`
*
* @since 4.7.0
*
* @param WP_Post $post The deleted or trashed post.
* @param WP_REST_Response $response The response data.
* @param WP_REST_Request $request The request sent to the API.
*/
do_action( "rest_delete_{$this->post_type}", $post, $response, $request );
return $response;
}
/**
* Determines the allowed query_vars for a get_items() response and prepares
* them for WP_Query.
*
* @since 4.7.0
*
* @param array $prepared_args Optional. Prepared WP_Query arguments. Default empty array.
* @param WP_REST_Request $request Optional. Full details about the request.
* @return array Items query arguments.
*/
protected function prepare_items_query( $prepared_args = array(), $request = null ) {
$query_args = array();
foreach ( $prepared_args as $key => $value ) {
/**
* Filters the query_vars used in get_items() for the constructed query.
*
* The dynamic portion of the hook name, `$key`, refers to the query_var key.
*
* @since 4.7.0
*
* @param string $value The query_var value.
*/
$query_args[ $key ] = apply_filters( "rest_query_var-{$key}", $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
}
if ( 'post' !== $this->post_type || ! isset( $query_args['ignore_sticky_posts'] ) ) {
$query_args['ignore_sticky_posts'] = true;
}
// Map to proper WP_Query orderby param.
if ( isset( $query_args['orderby'] ) && isset( $request['orderby'] ) ) {
$orderby_mappings = array(
'id' => 'ID',
'include' => 'post__in',
'slug' => 'post_name',
'include_slugs' => 'post_name__in',
);
if ( isset( $orderby_mappings[ $request['orderby'] ] ) ) {
$query_args['orderby'] = $orderby_mappings[ $request['orderby'] ];
}
}
return $query_args;
}
/**
* Checks the post_date_gmt or modified_gmt and prepare any post or
* modified date for single post output.
*
* @since 4.7.0
*
* @param string $date_gmt GMT publication time.
* @param string|null $date Optional. Local publication time. Default null.
* @return string|null ISO8601/RFC3339 formatted datetime.
*/
protected function prepare_date_response( $date_gmt, $date = null ) {
// Use the date if passed.
if ( isset( $date ) ) {
return mysql_to_rfc3339( $date );
}
// Return null if $date_gmt is empty/zeros.
if ( '0000-00-00 00:00:00' === $date_gmt ) {
return null;
}
// Return the formatted datetime.
return mysql_to_rfc3339( $date_gmt );
}
/**
* Prepares a single post for create or update.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Request object.
* @return stdClass|WP_Error Post object or WP_Error.
*/
protected function prepare_item_for_database( $request ) {
$prepared_post = new stdClass();
$current_status = '';
// Post ID.
if ( isset( $request['id'] ) ) {
$existing_post = $this->get_post( $request['id'] );
if ( is_wp_error( $existing_post ) ) {
return $existing_post;
}
$prepared_post->ID = $existing_post->ID;
$current_status = $existing_post->post_status;
}
$schema = $this->get_item_schema();
// Post title.
if ( ! empty( $schema['properties']['title'] ) && isset( $request['title'] ) ) {
if ( is_string( $request['title'] ) ) {
$prepared_post->post_title = $request['title'];
} elseif ( ! empty( $request['title']['raw'] ) ) {
$prepared_post->post_title = $request['title']['raw'];
}
}
// Post content.
if ( ! empty( $schema['properties']['content'] ) && isset( $request['content'] ) ) {
if ( is_string( $request['content'] ) ) {
$prepared_post->post_content = $request['content'];
} elseif ( isset( $request['content']['raw'] ) ) {
$prepared_post->post_content = $request['content']['raw'];
}
}
// Post excerpt.
if ( ! empty( $schema['properties']['excerpt'] ) && isset( $request['excerpt'] ) ) {
if ( is_string( $request['excerpt'] ) ) {
$prepared_post->post_excerpt = $request['excerpt'];
} elseif ( isset( $request['excerpt']['raw'] ) ) {
$prepared_post->post_excerpt = $request['excerpt']['raw'];
}
}
// Post type.
if ( empty( $request['id'] ) ) {
// Creating new post, use default type for the controller.
$prepared_post->post_type = $this->post_type;
} else {
// Updating a post, use previous type.
$prepared_post->post_type = get_post_type( $request['id'] );
}
$post_type = get_post_type_object( $prepared_post->post_type );
// Post status.
if (
! empty( $schema['properties']['status'] ) &&
isset( $request['status'] ) &&
( ! $current_status || $current_status !== $request['status'] )
) {
$status = $this->handle_status_param( $request['status'], $post_type );
if ( is_wp_error( $status ) ) {
return $status;
}
$prepared_post->post_status = $status;
}
// Post date.
if ( ! empty( $schema['properties']['date'] ) && ! empty( $request['date'] ) ) {
$current_date = isset( $prepared_post->ID ) ? get_post( $prepared_post->ID )->post_date : false;
$date_data = rest_get_date_with_gmt( $request['date'] );
if ( ! empty( $date_data ) && $current_date !== $date_data[0] ) {
list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data;
$prepared_post->edit_date = true;
}
} elseif ( ! empty( $schema['properties']['date_gmt'] ) && ! empty( $request['date_gmt'] ) ) {
$current_date = isset( $prepared_post->ID ) ? get_post( $prepared_post->ID )->post_date_gmt : false;
$date_data = rest_get_date_with_gmt( $request['date_gmt'], true );
if ( ! empty( $date_data ) && $current_date !== $date_data[1] ) {
list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data;
$prepared_post->edit_date = true;
}
}
/*
* Sending a null date or date_gmt value resets date and date_gmt to their
* default values (`0000-00-00 00:00:00`).
*/
if (
( ! empty( $schema['properties']['date_gmt'] ) && $request->has_param( 'date_gmt' ) && null === $request['date_gmt'] ) ||
( ! empty( $schema['properties']['date'] ) && $request->has_param( 'date' ) && null === $request['date'] )
) {
$prepared_post->post_date_gmt = null;
$prepared_post->post_date = null;
}
// Post slug.
if ( ! empty( $schema['properties']['slug'] ) && isset( $request['slug'] ) ) {
$prepared_post->post_name = $request['slug'];
}
// Author.
if ( ! empty( $schema['properties']['author'] ) && ! empty( $request['author'] ) ) {
$post_author = (int) $request['author'];
if ( get_current_user_id() !== $post_author ) {
$user_obj = get_userdata( $post_author );
if ( ! $user_obj ) {
return new WP_Error(
'rest_invalid_author',
__( 'Invalid author ID.' ),
array( 'status' => 400 )
);
}
}
$prepared_post->post_author = $post_author;
}
// Post password.
if ( ! empty( $schema['properties']['password'] ) && isset( $request['password'] ) ) {
$prepared_post->post_password = $request['password'];
if ( '' !== $request['password'] ) {
if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) {
return new WP_Error(
'rest_invalid_field',
__( 'A post can not be sticky and have a password.' ),
array( 'status' => 400 )
);
}
if ( ! empty( $prepared_post->ID ) && is_sticky( $prepared_post->ID ) ) {
return new WP_Error(
'rest_invalid_field',
__( 'A sticky post can not be password protected.' ),
array( 'status' => 400 )
);
}
}
}
if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) {
if ( ! empty( $prepared_post->ID ) && post_password_required( $prepared_post->ID ) ) {
return new WP_Error(
'rest_invalid_field',
__( 'A password protected post can not be set to sticky.' ),
array( 'status' => 400 )
);
}
}
// Parent.
if ( ! empty( $schema['properties']['parent'] ) && isset( $request['parent'] ) ) {
if ( 0 === (int) $request['parent'] ) {
$prepared_post->post_parent = 0;
} else {
$parent = get_post( (int) $request['parent'] );
if ( empty( $parent ) ) {
return new WP_Error(
'rest_post_invalid_id',
__( 'Invalid post parent ID.' ),
array( 'status' => 400 )
);
}
$prepared_post->post_parent = (int) $parent->ID;
}
}
// Menu order.
if ( ! empty( $schema['properties']['menu_order'] ) && isset( $request['menu_order'] ) ) {
$prepared_post->menu_order = (int) $request['menu_order'];
}
// Comment status.
if ( ! empty( $schema['properties']['comment_status'] ) && ! empty( $request['comment_status'] ) ) {
$prepared_post->comment_status = $request['comment_status'];
}
// Ping status.
if ( ! empty( $schema['properties']['ping_status'] ) && ! empty( $request['ping_status'] ) ) {
$prepared_post->ping_status = $request['ping_status'];
}
if ( ! empty( $schema['properties']['template'] ) ) {
// Force template to null so that it can be handled exclusively by the REST controller.
$prepared_post->page_template = null;
}
/**
* Filters a post before it is inserted via the REST API.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_pre_insert_post`
* - `rest_pre_insert_page`
* - `rest_pre_insert_attachment`
*
* @since 4.7.0
*
* @param stdClass $prepared_post An object representing a single post prepared
* for inserting or updating the database.
* @param WP_REST_Request $request Request object.
*/
return apply_filters( "rest_pre_insert_{$this->post_type}", $prepared_post, $request );
}
/**
* Checks whether the status is valid for the given post.
*
* Allows for sending an update request with the current status, even if that status would not be acceptable.
*
* @since 5.6.0
*
* @param string $status The provided status.
* @param WP_REST_Request $request The request object.
* @param string $param The parameter name.
* @return true|WP_Error True if the status is valid, or WP_Error if not.
*/
public function check_status( $status, $request, $param ) {
if ( $request['id'] ) {
$post = $this->get_post( $request['id'] );
if ( ! is_wp_error( $post ) && $post->post_status === $status ) {
return true;
}
}
$args = $request->get_attributes()['args'][ $param ];
return rest_validate_value_from_schema( $status, $args, $param );
}
/**
* Determines validity and normalizes the given status parameter.
*
* @since 4.7.0
*
* @param string $post_status Post status.
* @param WP_Post_Type $post_type Post type.
* @return string|WP_Error Post status or WP_Error if lacking the proper permission.
*/
protected function handle_status_param( $post_status, $post_type ) {
switch ( $post_status ) {
case 'draft':
case 'pending':
break;
case 'private':
if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
return new WP_Error(
'rest_cannot_publish',
__( 'Sorry, you are not allowed to create private posts in this post type.' ),
array( 'status' => rest_authorization_required_code() )
);
}
break;
case 'publish':
case 'future':
if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
return new WP_Error(
'rest_cannot_publish',
__( 'Sorry, you are not allowed to publish posts in this post type.' ),
array( 'status' => rest_authorization_required_code() )
);
}
break;
default:
if ( ! get_post_status_object( $post_status ) ) {
$post_status = 'draft';
}
break;
}
return $post_status;
}
/**
* Determines the featured media based on a request param.
*
* @since 4.7.0
*
* @param int $featured_media Featured Media ID.
* @param int $post_id Post ID.
* @return bool|WP_Error Whether the post thumbnail was successfully deleted, otherwise WP_Error.
*/
protected function handle_featured_media( $featured_media, $post_id ) {
$featured_media = (int) $featured_media;
if ( $featured_media ) {
$result = set_post_thumbnail( $post_id, $featured_media );
if ( $result ) {
return true;
} else {
return new WP_Error(
'rest_invalid_featured_media',
__( 'Invalid featured media ID.' ),
array( 'status' => 400 )
);
}
} else {
return delete_post_thumbnail( $post_id );
}
}
/**
* Checks whether the template is valid for the given post.
*
* @since 4.9.0
*
* @param string $template Page template filename.
* @param WP_REST_Request $request Request.
* @return bool|WP_Error True if template is still valid or if the same as existing value, or false if template not supported.
*/
public function check_template( $template, $request ) {
if ( ! $template ) {
return true;
}
if ( $request['id'] ) {
$post = get_post( $request['id'] );
$current_template = get_page_template_slug( $request['id'] );
} else {
$post = null;
$current_template = '';
}
// Always allow for updating a post to the same template, even if that template is no longer supported.
if ( $template === $current_template ) {
return true;
}
// If this is a create request, get_post() will return null and wp theme will fallback to the passed post type.
$allowed_templates = wp_get_theme()->get_page_templates( $post, $this->post_type );
if ( isset( $allowed_templates[ $template ] ) ) {
return true;
}
return new WP_Error(
'rest_invalid_param',
/* translators: 1: Parameter, 2: List of valid values. */
sprintf( __( '%1$s is not one of %2$s.' ), 'template', implode( ', ', array_keys( $allowed_templates ) ) )
);
}
/**
* Sets the template for a post.
*
* @since 4.7.0
* @since 4.9.0 Added the `$validate` parameter.
*
* @param string $template Page template filename.
* @param int $post_id Post ID.
* @param bool $validate Whether to validate that the template selected is valid.
*/
public function handle_template( $template, $post_id, $validate = false ) {
if ( $validate && ! array_key_exists( $template, wp_get_theme()->get_page_templates( get_post( $post_id ) ) ) ) {
$template = '';
}
update_post_meta( $post_id, '_wp_page_template', $template );
}
/**
* Updates the post's terms from a REST request.
*
* @since 4.7.0
*
* @param int $post_id The post ID to update the terms form.
* @param WP_REST_Request $request The request object with post and terms data.
* @return null|WP_Error WP_Error on an error assigning any of the terms, otherwise null.
*/
protected function handle_terms( $post_id, $request ) {
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( ! isset( $request[ $base ] ) ) {
continue;
}
$result = wp_set_object_terms( $post_id, $request[ $base ], $taxonomy->name );
if ( is_wp_error( $result ) ) {
return $result;
}
}
}
/**
* Checks whether current user can assign all terms sent with the current request.
*
* @since 4.7.0
*
* @param WP_REST_Request $request The request object with post and terms data.
* @return bool Whether the current user can assign the provided terms.
*/
protected function check_assign_terms_permission( $request ) {
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( ! isset( $request[ $base ] ) ) {
continue;
}
foreach ( (array) $request[ $base ] as $term_id ) {
// Invalid terms will be rejected later.
if ( ! get_term( $term_id, $taxonomy->name ) ) {
continue;
}
if ( ! current_user_can( 'assign_term', (int) $term_id ) ) {
return false;
}
}
}
return true;
}
/**
* Checks if a given post type can be viewed or managed.
*
* @since 4.7.0
*
* @param WP_Post_Type|string $post_type Post type name or object.
* @return bool Whether the post type is allowed in REST.
*/
protected function check_is_post_type_allowed( $post_type ) {
if ( ! is_object( $post_type ) ) {
$post_type = get_post_type_object( $post_type );
}
if ( ! empty( $post_type ) && ! empty( $post_type->show_in_rest ) ) {
return true;
}
return false;
}
/**
* Checks if a post can be read.
*
* Correctly handles posts with the inherit status.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be read.
*/
public function check_read_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
// Is the post readable?
if ( 'publish' === $post->post_status || current_user_can( 'read_post', $post->ID ) ) {
return true;
}
$post_status_obj = get_post_status_object( $post->post_status );
if ( $post_status_obj && $post_status_obj->public ) {
return true;
}
// Can we read the parent if we're inheriting?
if ( 'inherit' === $post->post_status && $post->post_parent > 0 ) {
$parent = get_post( $post->post_parent );
if ( $parent ) {
return $this->check_read_permission( $parent );
}
}
/*
* If there isn't a parent, but the status is set to inherit, assume
* it's published (as per get_post_status()).
*/
if ( 'inherit' === $post->post_status ) {
return true;
}
return false;
}
/**
* Checks if a post can be edited.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be edited.
*/
protected function check_update_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
return current_user_can( 'edit_post', $post->ID );
}
/**
* Checks if a post can be created.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be created.
*/
protected function check_create_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
return current_user_can( $post_type->cap->create_posts );
}
/**
* Checks if a post can be deleted.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be deleted.
*/
protected function check_delete_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
return current_user_can( 'delete_post', $post->ID );
}
/**
* Prepares a single post output for response.
*
* @since 4.7.0
* @since 5.9.0 Renamed `$post` to `$item` to match parent class for PHP 8 named parameter support.
*
* @param WP_Post $item Post object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
// Restores the more descriptive, specific name for use within this method.
$post = $item;
$GLOBALS['post'] = $post;
setup_postdata( $post );
$fields = $this->get_fields_for_response( $request );
// Base fields for every post.
$data = array();
if ( rest_is_field_included( 'id', $fields ) ) {
$data['id'] = $post->ID;
}
if ( rest_is_field_included( 'date', $fields ) ) {
$data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date );
}
if ( rest_is_field_included( 'date_gmt', $fields ) ) {
/*
* For drafts, `post_date_gmt` may not be set, indicating that the date
* of the draft should be updated each time it is saved (see #38883).
* In this case, shim the value based on the `post_date` field
* with the site's timezone offset applied.
*/
if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) {
$post_date_gmt = get_gmt_from_date( $post->post_date );
} else {
$post_date_gmt = $post->post_date_gmt;
}
$data['date_gmt'] = $this->prepare_date_response( $post_date_gmt );
}
if ( rest_is_field_included( 'guid', $fields ) ) {
$data['guid'] = array(
/** This filter is documented in wp-includes/post-template.php */
'rendered' => apply_filters( 'get_the_guid', $post->guid, $post->ID ),
'raw' => $post->guid,
);
}
if ( rest_is_field_included( 'modified', $fields ) ) {
$data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified );
}
if ( rest_is_field_included( 'modified_gmt', $fields ) ) {
/*
* For drafts, `post_modified_gmt` may not be set (see `post_date_gmt` comments
* above). In this case, shim the value based on the `post_modified` field
* with the site's timezone offset applied.
*/
if ( '0000-00-00 00:00:00' === $post->post_modified_gmt ) {
$post_modified_gmt = gmdate( 'Y-m-d H:i:s', strtotime( $post->post_modified ) - ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) );
} else {
$post_modified_gmt = $post->post_modified_gmt;
}
$data['modified_gmt'] = $this->prepare_date_response( $post_modified_gmt );
}
if ( rest_is_field_included( 'password', $fields ) ) {
$data['password'] = $post->post_password;
}
if ( rest_is_field_included( 'slug', $fields ) ) {
$data['slug'] = $post->post_name;
}
if ( rest_is_field_included( 'status', $fields ) ) {
$data['status'] = $post->post_status;
}
if ( rest_is_field_included( 'type', $fields ) ) {
$data['type'] = $post->post_type;
}
if ( rest_is_field_included( 'link', $fields ) ) {
$data['link'] = get_permalink( $post->ID );
}
if ( rest_is_field_included( 'title', $fields ) ) {
$data['title'] = array();
}
if ( rest_is_field_included( 'title.raw', $fields ) ) {
$data['title']['raw'] = $post->post_title;
}
if ( rest_is_field_included( 'title.rendered', $fields ) ) {
add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
$data['title']['rendered'] = get_the_title( $post->ID );
remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
}
$has_password_filter = false;
if ( $this->can_access_password_content( $post, $request ) ) {
$this->password_check_passed[ $post->ID ] = true;
// Allow access to the post, permissions already checked before.
add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );
$has_password_filter = true;
}
if ( rest_is_field_included( 'content', $fields ) ) {
$data['content'] = array();
}
if ( rest_is_field_included( 'content.raw', $fields ) ) {
$data['content']['raw'] = $post->post_content;
}
if ( rest_is_field_included( 'content.rendered', $fields ) ) {
/** This filter is documented in wp-includes/post-template.php */
$data['content']['rendered'] = post_password_required( $post ) ? '' : apply_filters( 'the_content', $post->post_content );
}
if ( rest_is_field_included( 'content.protected', $fields ) ) {
$data['content']['protected'] = (bool) $post->post_password;
}
if ( rest_is_field_included( 'content.block_version', $fields ) ) {
$data['content']['block_version'] = block_version( $post->post_content );
}
if ( rest_is_field_included( 'excerpt', $fields ) ) {
/** This filter is documented in wp-includes/post-template.php */
$excerpt = apply_filters( 'get_the_excerpt', $post->post_excerpt, $post );
/** This filter is documented in wp-includes/post-template.php */
$excerpt = apply_filters( 'the_excerpt', $excerpt );
$data['excerpt'] = array(
'raw' => $post->post_excerpt,
'rendered' => post_password_required( $post ) ? '' : $excerpt,
'protected' => (bool) $post->post_password,
);
}
if ( $has_password_filter ) {
// Reset filter.
remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );
}
if ( rest_is_field_included( 'author', $fields ) ) {
$data['author'] = (int) $post->post_author;
}
if ( rest_is_field_included( 'featured_media', $fields ) ) {
$data['featured_media'] = (int) get_post_thumbnail_id( $post->ID );
}
if ( rest_is_field_included( 'parent', $fields ) ) {
$data['parent'] = (int) $post->post_parent;
}
if ( rest_is_field_included( 'menu_order', $fields ) ) {
$data['menu_order'] = (int) $post->menu_order;
}
if ( rest_is_field_included( 'comment_status', $fields ) ) {
$data['comment_status'] = $post->comment_status;
}
if ( rest_is_field_included( 'ping_status', $fields ) ) {
$data['ping_status'] = $post->ping_status;
}
if ( rest_is_field_included( 'sticky', $fields ) ) {
$data['sticky'] = is_sticky( $post->ID );
}
if ( rest_is_field_included( 'template', $fields ) ) {
$template = get_page_template_slug( $post->ID );
if ( $template ) {
$data['template'] = $template;
} else {
$data['template'] = '';
}
}
if ( rest_is_field_included( 'format', $fields ) ) {
$data['format'] = get_post_format( $post->ID );
// Fill in blank post format.
if ( empty( $data['format'] ) ) {
$data['format'] = 'standard';
}
}
if ( rest_is_field_included( 'meta', $fields ) ) {
$data['meta'] = $this->meta->get_value( $post->ID, $request );
}
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( rest_is_field_included( $base, $fields ) ) {
$terms = get_the_terms( $post, $taxonomy->name );
$data[ $base ] = $terms ? array_values( wp_list_pluck( $terms, 'term_id' ) ) : array();
}
}
$post_type_obj = get_post_type_object( $post->post_type );
if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) {
$permalink_template_requested = rest_is_field_included( 'permalink_template', $fields );
$generated_slug_requested = rest_is_field_included( 'generated_slug', $fields );
if ( $permalink_template_requested || $generated_slug_requested ) {
if ( ! function_exists( 'get_sample_permalink' ) ) {
require_once ABSPATH . 'wp-admin/includes/post.php';
}
$sample_permalink = get_sample_permalink( $post->ID, $post->post_title, '' );
if ( $permalink_template_requested ) {
$data['permalink_template'] = $sample_permalink[0];
}
if ( $generated_slug_requested ) {
$data['generated_slug'] = $sample_permalink[1];
}
}
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$links = $this->prepare_links( $post );
$response->add_links( $links );
if ( ! empty( $links['self']['href'] ) ) {
$actions = $this->get_available_actions( $post, $request );
$self = $links['self']['href'];
foreach ( $actions as $rel ) {
$response->add_link( $rel, $self );
}
}
}
/**
* Filters the post data for a REST API response.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_prepare_post`
* - `rest_prepare_page`
* - `rest_prepare_attachment`
*
* @since 4.7.0
*
* @param WP_REST_Response $response The response object.
* @param WP_Post $post Post object.
* @param WP_REST_Request $request Request object.
*/
return apply_filters( "rest_prepare_{$this->post_type}", $response, $post, $request );
}
/**
* Overwrites the default protected title format.
*
* By default, WordPress will show password protected posts with a title of
* "Protected: %s", as the REST API communicates the protected status of a post
* in a machine readable format, we remove the "Protected: " prefix.
*
* @since 4.7.0
*
* @return string Protected title format.
*/
public function protected_title_format() {
return '%s';
}
/**
* Prepares links for the request.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return array Links for the given post.
*/
protected function prepare_links( $post ) {
// Entity meta.
$links = array(
'self' => array(
'href' => rest_url( rest_get_route_for_post( $post->ID ) ),
),
'collection' => array(
'href' => rest_url( rest_get_route_for_post_type_items( $this->post_type ) ),
),
'about' => array(
'href' => rest_url( 'wp/v2/types/' . $this->post_type ),
),
);
if ( ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'author' ) )
&& ! empty( $post->post_author ) ) {
$links['author'] = array(
'href' => rest_url( 'wp/v2/users/' . $post->post_author ),
'embeddable' => true,
);
}
if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'comments' ) ) {
$replies_url = rest_url( 'wp/v2/comments' );
$replies_url = add_query_arg( 'post', $post->ID, $replies_url );
$links['replies'] = array(
'href' => $replies_url,
'embeddable' => true,
);
}
if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'revisions' ) ) {
$revisions = wp_get_latest_revision_id_and_total_count( $post->ID );
$revisions_count = ! is_wp_error( $revisions ) ? $revisions['count'] : 0;
$revisions_base = sprintf( '/%s/%s/%d/revisions', $this->namespace, $this->rest_base, $post->ID );
$links['version-history'] = array(
'href' => rest_url( $revisions_base ),
'count' => $revisions_count,
);
if ( $revisions_count > 0 ) {
$links['predecessor-version'] = array(
'href' => rest_url( $revisions_base . '/' . $revisions['latest_id'] ),
'id' => $revisions['latest_id'],
);
}
}
$post_type_obj = get_post_type_object( $post->post_type );
if ( $post_type_obj->hierarchical && ! empty( $post->post_parent ) ) {
$links['up'] = array(
'href' => rest_url( rest_get_route_for_post( $post->post_parent ) ),
'embeddable' => true,
);
}
// If we have a featured media, add that.
$featured_media = get_post_thumbnail_id( $post->ID );
if ( $featured_media ) {
$image_url = rest_url( rest_get_route_for_post( $featured_media ) );
$links['https://api.w.org/featuredmedia'] = array(
'href' => $image_url,
'embeddable' => true,
);
}
if ( ! in_array( $post->post_type, array( 'attachment', 'nav_menu_item', 'revision' ), true ) ) {
$attachments_url = rest_url( rest_get_route_for_post_type_items( 'attachment' ) );
$attachments_url = add_query_arg( 'parent', $post->ID, $attachments_url );
$links['https://api.w.org/attachment'] = array(
'href' => $attachments_url,
);
}
$taxonomies = get_object_taxonomies( $post->post_type );
if ( ! empty( $taxonomies ) ) {
$links['https://api.w.org/term'] = array();
foreach ( $taxonomies as $tax ) {
$taxonomy_route = rest_get_route_for_taxonomy_items( $tax );
// Skip taxonomies that are not public.
if ( empty( $taxonomy_route ) ) {
continue;
}
$terms_url = add_query_arg(
'post',
$post->ID,
rest_url( $taxonomy_route )
);
$links['https://api.w.org/term'][] = array(
'href' => $terms_url,
'taxonomy' => $tax,
'embeddable' => true,
);
}
}
return $links;
}
/**
* Gets the link relations available for the post and current user.
*
* @since 4.9.8
*
* @param WP_Post $post Post object.
* @param WP_REST_Request $request Request object.
* @return array List of link relations.
*/
protected function get_available_actions( $post, $request ) {
if ( 'edit' !== $request['context'] ) {
return array();
}
$rels = array();
$post_type = get_post_type_object( $post->post_type );
if ( 'attachment' !== $this->post_type && current_user_can( $post_type->cap->publish_posts ) ) {
$rels[] = 'https://api.w.org/action-publish';
}
if ( current_user_can( 'unfiltered_html' ) ) {
$rels[] = 'https://api.w.org/action-unfiltered-html';
}
if ( 'post' === $post_type->name ) {
if ( current_user_can( $post_type->cap->edit_others_posts ) && current_user_can( $post_type->cap->publish_posts ) ) {
$rels[] = 'https://api.w.org/action-sticky';
}
}
if ( post_type_supports( $post_type->name, 'author' ) ) {
if ( current_user_can( $post_type->cap->edit_others_posts ) ) {
$rels[] = 'https://api.w.org/action-assign-author';
}
}
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $tax ) {
$tax_base = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name;
$create_cap = is_taxonomy_hierarchical( $tax->name ) ? $tax->cap->edit_terms : $tax->cap->assign_terms;
if ( current_user_can( $create_cap ) ) {
$rels[] = 'https://api.w.org/action-create-' . $tax_base;
}
if ( current_user_can( $tax->cap->assign_terms ) ) {
$rels[] = 'https://api.w.org/action-assign-' . $tax_base;
}
}
return $rels;
}
/**
* Retrieves the post's schema, conforming to JSON Schema.
*
* @since 4.7.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => $this->post_type,
'type' => 'object',
// Base properties for every Post.
'properties' => array(
'date' => array(
'description' => __( "The date the post was published, in the site's timezone." ),
'type' => array( 'string', 'null' ),
'format' => 'date-time',
'context' => array( 'view', 'edit', 'embed' ),
),
'date_gmt' => array(
'description' => __( 'The date the post was published, as GMT.' ),
'type' => array( 'string', 'null' ),
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
),
'guid' => array(
'description' => __( 'The globally unique identifier for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit' ),
'readonly' => true,
'properties' => array(
'raw' => array(
'description' => __( 'GUID for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
'readonly' => true,
),
'rendered' => array(
'description' => __( 'GUID for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
),
),
'id' => array(
'description' => __( 'Unique identifier for the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'link' => array(
'description' => __( 'URL to the post.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'modified' => array(
'description' => __( "The date the post was last modified, in the site's timezone." ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'modified_gmt' => array(
'description' => __( 'The date the post was last modified, as GMT.' ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'slug' => array(
'description' => __( 'An alphanumeric identifier for the post unique to its type.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => array( $this, 'sanitize_slug' ),
),
),
'status' => array(
'description' => __( 'A named status for the post.' ),
'type' => 'string',
'enum' => array_keys( get_post_stati( array( 'internal' => false ) ) ),
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'validate_callback' => array( $this, 'check_status' ),
),
),
'type' => array(
'description' => __( 'Type of post.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'password' => array(
'description' => __( 'A password to protect access to the content and excerpt.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
),
);
$post_type_obj = get_post_type_object( $this->post_type );
if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) {
$schema['properties']['permalink_template'] = array(
'description' => __( 'Permalink template for the post.' ),
'type' => 'string',
'context' => array( 'edit' ),
'readonly' => true,
);
$schema['properties']['generated_slug'] = array(
'description' => __( 'Slug automatically generated from the post title.' ),
'type' => 'string',
'context' => array( 'edit' ),
'readonly' => true,
);
}
if ( $post_type_obj->hierarchical ) {
$schema['properties']['parent'] = array(
'description' => __( 'The ID for the parent of the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit' ),
);
}
$post_type_attributes = array(
'title',
'editor',
'author',
'excerpt',
'thumbnail',
'comments',
'revisions',
'page-attributes',
'post-formats',
'custom-fields',
);
$fixed_schemas = array(
'post' => array(
'title',
'editor',
'author',
'excerpt',
'thumbnail',
'comments',
'revisions',
'post-formats',
'custom-fields',
),
'page' => array(
'title',
'editor',
'author',
'excerpt',
'thumbnail',
'comments',
'revisions',
'page-attributes',
'custom-fields',
),
'attachment' => array(
'title',
'author',
'comments',
'revisions',
'custom-fields',
),
);
foreach ( $post_type_attributes as $attribute ) {
if ( isset( $fixed_schemas[ $this->post_type ] ) && ! in_array( $attribute, $fixed_schemas[ $this->post_type ], true ) ) {
continue;
} elseif ( ! isset( $fixed_schemas[ $this->post_type ] ) && ! post_type_supports( $this->post_type, $attribute ) ) {
continue;
}
switch ( $attribute ) {
case 'title':
$schema['properties']['title'] = array(
'description' => __( 'The title for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Title for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML title for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
break;
case 'editor':
$schema['properties']['content'] = array(
'description' => __( 'The content for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Content for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML content for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'block_version' => array(
'description' => __( 'Version of the content block format used by the post.' ),
'type' => 'integer',
'context' => array( 'edit' ),
'readonly' => true,
),
'protected' => array(
'description' => __( 'Whether the content is protected with a password.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
break;
case 'author':
$schema['properties']['author'] = array(
'description' => __( 'The ID for the author of the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
);
break;
case 'excerpt':
$schema['properties']['excerpt'] = array(
'description' => __( 'The excerpt for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Excerpt for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML excerpt for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'protected' => array(
'description' => __( 'Whether the excerpt is protected with a password.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
break;
case 'thumbnail':
$schema['properties']['featured_media'] = array(
'description' => __( 'The ID of the featured media for the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
);
break;
case 'comments':
$schema['properties']['comment_status'] = array(
'description' => __( 'Whether or not comments are open on the post.' ),
'type' => 'string',
'enum' => array( 'open', 'closed' ),
'context' => array( 'view', 'edit' ),
);
$schema['properties']['ping_status'] = array(
'description' => __( 'Whether or not the post can be pinged.' ),
'type' => 'string',
'enum' => array( 'open', 'closed' ),
'context' => array( 'view', 'edit' ),
);
break;
case 'page-attributes':
$schema['properties']['menu_order'] = array(
'description' => __( 'The order of the post in relation to other posts.' ),
'type' => 'integer',
'context' => array( 'view', 'edit' ),
);
break;
case 'post-formats':
// Get the native post formats and remove the array keys.
$formats = array_values( get_post_format_slugs() );
$schema['properties']['format'] = array(
'description' => __( 'The format for the post.' ),
'type' => 'string',
'enum' => $formats,
'context' => array( 'view', 'edit' ),
);
break;
case 'custom-fields':
$schema['properties']['meta'] = $this->meta->get_field_schema();
break;
}
}
if ( 'post' === $this->post_type ) {
$schema['properties']['sticky'] = array(
'description' => __( 'Whether or not the post should be treated as sticky.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit' ),
);
}
$schema['properties']['template'] = array(
'description' => __( 'The theme file to use to display the post.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'validate_callback' => array( $this, 'check_template' ),
),
);
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( array_key_exists( $base, $schema['properties'] ) ) {
$taxonomy_field_name_with_conflict = ! empty( $taxonomy->rest_base ) ? 'rest_base' : 'name';
_doing_it_wrong(
'register_taxonomy',
sprintf(
/* translators: 1: The taxonomy name, 2: The property name, either 'rest_base' or 'name', 3: The conflicting value. */
__( 'The "%1$s" taxonomy "%2$s" property (%3$s) conflicts with an existing property on the REST API Posts Controller. Specify a custom "rest_base" when registering the taxonomy to avoid this error.' ),
$taxonomy->name,
$taxonomy_field_name_with_conflict,
$base
),
'5.4.0'
);
}
$schema['properties'][ $base ] = array(
/* translators: %s: Taxonomy name. */
'description' => sprintf( __( 'The terms assigned to the post in the %s taxonomy.' ), $taxonomy->name ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'context' => array( 'view', 'edit' ),
);
}
$schema_links = $this->get_schema_links();
if ( $schema_links ) {
$schema['links'] = $schema_links;
}
// Take a snapshot of which fields are in the schema pre-filtering.
$schema_fields = array_keys( $schema['properties'] );
/**
* Filters the post's schema.
*
* The dynamic portion of the filter, `$this->post_type`, refers to the
* post type slug for the controller.
*
* Possible hook names include:
*
* - `rest_post_item_schema`
* - `rest_page_item_schema`
* - `rest_attachment_item_schema`
*
* @since 5.4.0
*
* @param array $schema Item schema data.
*/
$schema = apply_filters( "rest_{$this->post_type}_item_schema", $schema );
// Emit a _doing_it_wrong warning if user tries to add new properties using this filter.
$new_fields = array_diff( array_keys( $schema['properties'] ), $schema_fields );
if ( count( $new_fields ) > 0 ) {
_doing_it_wrong(
__METHOD__,
sprintf(
/* translators: %s: register_rest_field */
__( 'Please use %s to add new schema properties.' ),
'register_rest_field'
),
'5.4.0'
);
}
$this->schema = $schema;
return $this->add_additional_fields_schema( $this->schema );
}
/**
* Retrieves Link Description Objects that should be added to the Schema for the posts collection.
*
* @since 4.9.8
*
* @return array
*/
protected function get_schema_links() {
$href = rest_url( "{$this->namespace}/{$this->rest_base}/{id}" );
$links = array();
if ( 'attachment' !== $this->post_type ) {
$links[] = array(
'rel' => 'https://api.w.org/action-publish',
'title' => __( 'The current user can publish this post.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'status' => array(
'type' => 'string',
'enum' => array( 'publish', 'future' ),
),
),
),
);
}
$links[] = array(
'rel' => 'https://api.w.org/action-unfiltered-html',
'title' => __( 'The current user can post unfiltered HTML markup and JavaScript.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'content' => array(
'raw' => array(
'type' => 'string',
),
),
),
),
);
if ( 'post' === $this->post_type ) {
$links[] = array(
'rel' => 'https://api.w.org/action-sticky',
'title' => __( 'The current user can sticky this post.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'sticky' => array(
'type' => 'boolean',
),
),
),
);
}
if ( post_type_supports( $this->post_type, 'author' ) ) {
$links[] = array(
'rel' => 'https://api.w.org/action-assign-author',
'title' => __( 'The current user can change the author on this post.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'author' => array(
'type' => 'integer',
),
),
),
);
}
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $tax ) {
$tax_base = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name;
/* translators: %s: Taxonomy name. */
$assign_title = sprintf( __( 'The current user can assign terms in the %s taxonomy.' ), $tax->name );
/* translators: %s: Taxonomy name. */
$create_title = sprintf( __( 'The current user can create terms in the %s taxonomy.' ), $tax->name );
$links[] = array(
'rel' => 'https://api.w.org/action-assign-' . $tax_base,
'title' => $assign_title,
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
$tax_base => array(
'type' => 'array',
'items' => array(
'type' => 'integer',
),
),
),
),
);
$links[] = array(
'rel' => 'https://api.w.org/action-create-' . $tax_base,
'title' => $create_title,
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
$tax_base => array(
'type' => 'array',
'items' => array(
'type' => 'integer',
),
),
),
),
);
}
return $links;
}
/**
* Retrieves the query params for the posts collection.
*
* @since 4.7.0
* @since 5.4.0 The `tax_relation` query parameter was added.
* @since 5.7.0 The `modified_after` and `modified_before` query parameters were added.
*
* @return array Collection parameters.
*/
public function get_collection_params() {
$query_params = parent::get_collection_params();
$query_params['context']['default'] = 'view';
$query_params['after'] = array(
'description' => __( 'Limit response to posts published after a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['modified_after'] = array(
'description' => __( 'Limit response to posts modified after a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
if ( post_type_supports( $this->post_type, 'author' ) ) {
$query_params['author'] = array(
'description' => __( 'Limit result set to posts assigned to specific authors.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['author_exclude'] = array(
'description' => __( 'Ensure result set excludes posts assigned to specific authors.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
}
$query_params['before'] = array(
'description' => __( 'Limit response to posts published before a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['modified_before'] = array(
'description' => __( 'Limit response to posts modified before a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['exclude'] = array(
'description' => __( 'Ensure result set excludes specific IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['include'] = array(
'description' => __( 'Limit result set to specific IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) {
$query_params['menu_order'] = array(
'description' => __( 'Limit result set to posts with a specific menu_order value.' ),
'type' => 'integer',
);
}
$query_params['offset'] = array(
'description' => __( 'Offset the result set by a specific number of items.' ),
'type' => 'integer',
);
$query_params['order'] = array(
'description' => __( 'Order sort attribute ascending or descending.' ),
'type' => 'string',
'default' => 'desc',
'enum' => array( 'asc', 'desc' ),
);
$query_params['orderby'] = array(
'description' => __( 'Sort collection by post attribute.' ),
'type' => 'string',
'default' => 'date',
'enum' => array(
'author',
'date',
'id',
'include',
'modified',
'parent',
'relevance',
'slug',
'include_slugs',
'title',
),
);
if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) {
$query_params['orderby']['enum'][] = 'menu_order';
}
$post_type = get_post_type_object( $this->post_type );
if ( $post_type->hierarchical || 'attachment' === $this->post_type ) {
$query_params['parent'] = array(
'description' => __( 'Limit result set to items with particular parent IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['parent_exclude'] = array(
'description' => __( 'Limit result set to all items except those of a particular parent ID.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
}
$query_params['search_columns'] = array(
'default' => array(),
'description' => __( 'Array of column names to be searched.' ),
'type' => 'array',
'items' => array(
'enum' => array( 'post_title', 'post_content', 'post_excerpt' ),
'type' => 'string',
),
);
$query_params['slug'] = array(
'description' => __( 'Limit result set to posts with one or more specific slugs.' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
);
$query_params['status'] = array(
'default' => 'publish',
'description' => __( 'Limit result set to posts assigned one or more statuses.' ),
'type' => 'array',
'items' => array(
'enum' => array_merge( array_keys( get_post_stati() ), array( 'any' ) ),
'type' => 'string',
),
'sanitize_callback' => array( $this, 'sanitize_post_statuses' ),
);
$query_params = $this->prepare_taxonomy_limit_schema( $query_params );
if ( 'post' === $this->post_type ) {
$query_params['sticky'] = array(
'description' => __( 'Limit result set to items that are sticky.' ),
'type' => 'boolean',
);
}
/**
* Filters collection parameters for the posts controller.
*
* The dynamic part of the filter `$this->post_type` refers to the post
* type slug for the controller.
*
* This filter registers the collection parameter, but does not map the
* collection parameter to an internal WP_Query parameter. Use the
* `rest_{$this->post_type}_query` filter to set WP_Query parameters.
*
* @since 4.7.0
*
* @param array $query_params JSON Schema-formatted collection parameters.
* @param WP_Post_Type $post_type Post type object.
*/
return apply_filters( "rest_{$this->post_type}_collection_params", $query_params, $post_type );
}
/**
* Sanitizes and validates the list of post statuses, including whether the
* user can query private statuses.
*
* @since 4.7.0
*
* @param string|array $statuses One or more post statuses.
* @param WP_REST_Request $request Full details about the request.
* @param string $parameter Additional parameter to pass to validation.
* @return array|WP_Error A list of valid statuses, otherwise WP_Error object.
*/
public function sanitize_post_statuses( $statuses, $request, $parameter ) {
$statuses = wp_parse_slug_list( $statuses );
// The default status is different in WP_REST_Attachments_Controller.
$attributes = $request->get_attributes();
$default_status = $attributes['args']['status']['default'];
foreach ( $statuses as $status ) {
if ( $status === $default_status ) {
continue;
}
$post_type_obj = get_post_type_object( $this->post_type );
if ( current_user_can( $post_type_obj->cap->edit_posts ) || 'private' === $status && current_user_can( $post_type_obj->cap->read_private_posts ) ) {
$result = rest_validate_request_arg( $status, $request, $parameter );
if ( is_wp_error( $result ) ) {
return $result;
}
} else {
return new WP_Error(
'rest_forbidden_status',
__( 'Status is forbidden.' ),
array( 'status' => rest_authorization_required_code() )
);
}
}
return $statuses;
}
/**
* Prepares the 'tax_query' for a collection of posts.
*
* @since 5.7.0
*
* @param array $args WP_Query arguments.
* @param WP_REST_Request $request Full details about the request.
* @return array Updated query arguments.
*/
private function prepare_tax_query( array $args, WP_REST_Request $request ) {
$relation = $request['tax_relation'];
if ( $relation ) {
$args['tax_query'] = array( 'relation' => $relation );
}
$taxonomies = wp_list_filter(
get_object_taxonomies( $this->post_type, 'objects' ),
array( 'show_in_rest' => true )
);
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
$tax_include = $request[ $base ];
$tax_exclude = $request[ $base . '_exclude' ];
if ( $tax_include ) {
$terms = array();
$include_children = false;
$operator = 'IN';
if ( rest_is_array( $tax_include ) ) {
$terms = $tax_include;
} elseif ( rest_is_object( $tax_include ) ) {
$terms = empty( $tax_include['terms'] ) ? array() : $tax_include['terms'];
$include_children = ! empty( $tax_include['include_children'] );
if ( isset( $tax_include['operator'] ) && 'AND' === $tax_include['operator'] ) {
$operator = 'AND';
}
}
if ( $terms ) {
$args['tax_query'][] = array(
'taxonomy' => $taxonomy->name,
'field' => 'term_id',
'terms' => $terms,
'include_children' => $include_children,
'operator' => $operator,
);
}
}
if ( $tax_exclude ) {
$terms = array();
$include_children = false;
if ( rest_is_array( $tax_exclude ) ) {
$terms = $tax_exclude;
} elseif ( rest_is_object( $tax_exclude ) ) {
$terms = empty( $tax_exclude['terms'] ) ? array() : $tax_exclude['terms'];
$include_children = ! empty( $tax_exclude['include_children'] );
}
if ( $terms ) {
$args['tax_query'][] = array(
'taxonomy' => $taxonomy->name,
'field' => 'term_id',
'terms' => $terms,
'include_children' => $include_children,
'operator' => 'NOT IN',
);
}
}
}
return $args;
}
/**
* Prepares the collection schema for including and excluding items by terms.
*
* @since 5.7.0
*
* @param array $query_params Collection schema.
* @return array Updated schema.
*/
private function prepare_taxonomy_limit_schema( array $query_params ) {
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
if ( ! $taxonomies ) {
return $query_params;
}
$query_params['tax_relation'] = array(
'description' => __( 'Limit result set based on relationship between multiple taxonomies.' ),
'type' => 'string',
'enum' => array( 'AND', 'OR' ),
);
$limit_schema = array(
'type' => array( 'object', 'array' ),
'oneOf' => array(
array(
'title' => __( 'Term ID List' ),
'description' => __( 'Match terms with the listed IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
),
array(
'title' => __( 'Term ID Taxonomy Query' ),
'description' => __( 'Perform an advanced term query.' ),
'type' => 'object',
'properties' => array(
'terms' => array(
'description' => __( 'Term IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
),
'include_children' => array(
'description' => __( 'Whether to include child terms in the terms limiting the result set.' ),
'type' => 'boolean',
'default' => false,
),
),
'additionalProperties' => false,
),
),
);
$include_schema = array_merge(
array(
/* translators: %s: Taxonomy name. */
'description' => __( 'Limit result set to items with specific terms assigned in the %s taxonomy.' ),
),
$limit_schema
);
// 'operator' is supported only for 'include' queries.
$include_schema['oneOf'][1]['properties']['operator'] = array(
'description' => __( 'Whether items must be assigned all or any of the specified terms.' ),
'type' => 'string',
'enum' => array( 'AND', 'OR' ),
'default' => 'OR',
);
$exclude_schema = array_merge(
array(
/* translators: %s: Taxonomy name. */
'description' => __( 'Limit result set to items except those with specific terms assigned in the %s taxonomy.' ),
),
$limit_schema
);
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
$base_exclude = $base . '_exclude';
$query_params[ $base ] = $include_schema;
$query_params[ $base ]['description'] = sprintf( $query_params[ $base ]['description'], $base );
$query_params[ $base_exclude ] = $exclude_schema;
$query_params[ $base_exclude ]['description'] = sprintf( $query_params[ $base_exclude ]['description'], $base );
if ( ! $taxonomy->hierarchical ) {
unset( $query_params[ $base ]['oneOf'][1]['properties']['include_children'] );
unset( $query_params[ $base_exclude ]['oneOf'][1]['properties']['include_children'] );
}
}
return $query_params;
}
}
<?php
/**
* REST API: WP_REST_Attachments_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 4.7.0
*/
/**
* Core controller used to access attachments via the REST API.
*
* @since 4.7.0
*
* @see WP_REST_Posts_Controller
*/
class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
/**
* Whether the controller supports batching.
*
* @since 5.9.0
* @var false
*/
protected $allow_batch = false;
/**
* Registers the routes for attachments.
*
* @since 5.3.0
*
* @see register_rest_route()
*/
public function register_routes() {
parent::register_routes();
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/(?P<id>[\d]+)/post-process',
array(
'methods' => WP_REST_Server::CREATABLE,
'callback' => array( $this, 'post_process_item' ),
'permission_callback' => array( $this, 'post_process_item_permissions_check' ),
'args' => array(
'id' => array(
'description' => __( 'Unique identifier for the attachment.' ),
'type' => 'integer',
),
'action' => array(
'type' => 'string',
'enum' => array( 'create-image-subsizes' ),
'required' => true,
),
),
)
);
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/(?P<id>[\d]+)/edit',
array(
'methods' => WP_REST_Server::CREATABLE,
'callback' => array( $this, 'edit_media_item' ),
'permission_callback' => array( $this, 'edit_media_item_permissions_check' ),
'args' => $this->get_edit_media_item_args(),
)
);
}
/**
* Determines the allowed query_vars for a get_items() response and
* prepares for WP_Query.
*
* @since 4.7.0
*
* @param array $prepared_args Optional. Array of prepared arguments. Default empty array.
* @param WP_REST_Request $request Optional. Request to prepare items for.
* @return array Array of query arguments.
*/
protected function prepare_items_query( $prepared_args = array(), $request = null ) {
$query_args = parent::prepare_items_query( $prepared_args, $request );
if ( empty( $query_args['post_status'] ) ) {
$query_args['post_status'] = 'inherit';
}
$media_types = $this->get_media_types();
if ( ! empty( $request['media_type'] ) && isset( $media_types[ $request['media_type'] ] ) ) {
$query_args['post_mime_type'] = $media_types[ $request['media_type'] ];
}
if ( ! empty( $request['mime_type'] ) ) {
$parts = explode( '/', $request['mime_type'] );
if ( isset( $media_types[ $parts[0] ] ) && in_array( $request['mime_type'], $media_types[ $parts[0] ], true ) ) {
$query_args['post_mime_type'] = $request['mime_type'];
}
}
// Filter query clauses to include filenames.
if ( isset( $query_args['s'] ) ) {
add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
}
return $query_args;
}
/**
* Checks if a given request has access to create an attachment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error Boolean true if the attachment may be created, or a WP_Error if not.
*/
public function create_item_permissions_check( $request ) {
$ret = parent::create_item_permissions_check( $request );
if ( ! $ret || is_wp_error( $ret ) ) {
return $ret;
}
if ( ! current_user_can( 'upload_files' ) ) {
return new WP_Error(
'rest_cannot_create',
__( 'Sorry, you are not allowed to upload media on this site.' ),
array( 'status' => 400 )
);
}
// Attaching media to a post requires ability to edit said post.
if ( ! empty( $request['post'] ) && ! current_user_can( 'edit_post', (int) $request['post'] ) ) {
return new WP_Error(
'rest_cannot_edit',
__( 'Sorry, you are not allowed to upload media to this post.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Creates a single attachment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
*/
public function create_item( $request ) {
if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {
return new WP_Error(
'rest_invalid_param',
__( 'Invalid parent type.' ),
array( 'status' => 400 )
);
}
$insert = $this->insert_attachment( $request );
if ( is_wp_error( $insert ) ) {
return $insert;
}
$schema = $this->get_item_schema();
// Extract by name.
$attachment_id = $insert['attachment_id'];
$file = $insert['file'];
if ( isset( $request['alt_text'] ) ) {
update_post_meta( $attachment_id, '_wp_attachment_image_alt', sanitize_text_field( $request['alt_text'] ) );
}
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $attachment_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$attachment = get_post( $attachment_id );
$fields_update = $this->update_additional_fields_for_object( $attachment, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'edit' );
/**
* Fires after a single attachment is completely created or updated via the REST API.
*
* @since 5.0.0
*
* @param WP_Post $attachment Inserted or updated attachment object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating an attachment, false when updating.
*/
do_action( 'rest_after_insert_attachment', $attachment, $request, true );
wp_after_insert_post( $attachment, false, null );
if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
/*
* Set a custom header with the attachment_id.
* Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.
*/
header( 'X-WP-Upload-Attachment-ID: ' . $attachment_id );
}
// Include media and image functions to get access to wp_generate_attachment_metadata().
require_once ABSPATH . 'wp-admin/includes/media.php';
require_once ABSPATH . 'wp-admin/includes/image.php';
/*
* Post-process the upload (create image sub-sizes, make PDF thumbnails, etc.) and insert attachment meta.
* At this point the server may run out of resources and post-processing of uploaded images may fail.
*/
wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
$response = $this->prepare_item_for_response( $attachment, $request );
$response = rest_ensure_response( $response );
$response->set_status( 201 );
$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $attachment_id ) ) );
return $response;
}
/**
* Inserts the attachment post in the database. Does not update the attachment meta.
*
* @since 5.3.0
*
* @param WP_REST_Request $request
* @return array|WP_Error
*/
protected function insert_attachment( $request ) {
// Get the file via $_FILES or raw data.
$files = $request->get_file_params();
$headers = $request->get_headers();
if ( ! empty( $files ) ) {
$file = $this->upload_from_file( $files, $headers );
} else {
$file = $this->upload_from_data( $request->get_body(), $headers );
}
if ( is_wp_error( $file ) ) {
return $file;
}
$name = wp_basename( $file['file'] );
$name_parts = pathinfo( $name );
$name = trim( substr( $name, 0, -( 1 + strlen( $name_parts['extension'] ) ) ) );
$url = $file['url'];
$type = $file['type'];
$file = $file['file'];
// Include image functions to get access to wp_read_image_metadata().
require_once ABSPATH . 'wp-admin/includes/image.php';
// Use image exif/iptc data for title and caption defaults if possible.
$image_meta = wp_read_image_metadata( $file );
if ( ! empty( $image_meta ) ) {
if ( empty( $request['title'] ) && trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
$request['title'] = $image_meta['title'];
}
if ( empty( $request['caption'] ) && trim( $image_meta['caption'] ) ) {
$request['caption'] = $image_meta['caption'];
}
}
$attachment = $this->prepare_item_for_database( $request );
$attachment->post_mime_type = $type;
$attachment->guid = $url;
if ( empty( $attachment->post_title ) ) {
$attachment->post_title = preg_replace( '/\.[^.]+$/', '', wp_basename( $file ) );
}
// $post_parent is inherited from $attachment['post_parent'].
$id = wp_insert_attachment( wp_slash( (array) $attachment ), $file, 0, true, false );
if ( is_wp_error( $id ) ) {
if ( 'db_update_error' === $id->get_error_code() ) {
$id->add_data( array( 'status' => 500 ) );
} else {
$id->add_data( array( 'status' => 400 ) );
}
return $id;
}
$attachment = get_post( $id );
/**
* Fires after a single attachment is created or updated via the REST API.
*
* @since 4.7.0
*
* @param WP_Post $attachment Inserted or updated attachment
* object.
* @param WP_REST_Request $request The request sent to the API.
* @param bool $creating True when creating an attachment, false when updating.
*/
do_action( 'rest_insert_attachment', $attachment, $request, true );
return array(
'attachment_id' => $id,
'file' => $file,
);
}
/**
* Updates a single attachment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
*/
public function update_item( $request ) {
if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {
return new WP_Error(
'rest_invalid_param',
__( 'Invalid parent type.' ),
array( 'status' => 400 )
);
}
$attachment_before = get_post( $request['id'] );
$response = parent::update_item( $request );
if ( is_wp_error( $response ) ) {
return $response;
}
$response = rest_ensure_response( $response );
$data = $response->get_data();
if ( isset( $request['alt_text'] ) ) {
update_post_meta( $data['id'], '_wp_attachment_image_alt', $request['alt_text'] );
}
$attachment = get_post( $request['id'] );
$fields_update = $this->update_additional_fields_for_object( $attachment, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'edit' );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php */
do_action( 'rest_after_insert_attachment', $attachment, $request, false );
wp_after_insert_post( $attachment, true, $attachment_before );
$response = $this->prepare_item_for_response( $attachment, $request );
$response = rest_ensure_response( $response );
return $response;
}
/**
* Performs post processing on an attachment.
*
* @since 5.3.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
*/
public function post_process_item( $request ) {
switch ( $request['action'] ) {
case 'create-image-subsizes':
require_once ABSPATH . 'wp-admin/includes/image.php';
wp_update_image_subsizes( $request['id'] );
break;
}
$request['context'] = 'edit';
return $this->prepare_item_for_response( get_post( $request['id'] ), $request );
}
/**
* Checks if a given request can perform post processing on an attachment.
*
* @since 5.3.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
*/
public function post_process_item_permissions_check( $request ) {
return $this->update_item_permissions_check( $request );
}
/**
* Checks if a given request has access to editing media.
*
* @since 5.5.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function edit_media_item_permissions_check( $request ) {
if ( ! current_user_can( 'upload_files' ) ) {
return new WP_Error(
'rest_cannot_edit_image',
__( 'Sorry, you are not allowed to upload media on this site.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return $this->update_item_permissions_check( $request );
}
/**
* Applies edits to a media item and creates a new attachment record.
*
* @since 5.5.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
*/
public function edit_media_item( $request ) {
require_once ABSPATH . 'wp-admin/includes/image.php';
$attachment_id = $request['id'];
// This also confirms the attachment is an image.
$image_file = wp_get_original_image_path( $attachment_id );
$image_meta = wp_get_attachment_metadata( $attachment_id );
if (
! $image_meta ||
! $image_file ||
! wp_image_file_matches_image_meta( $request['src'], $image_meta, $attachment_id )
) {
return new WP_Error(
'rest_unknown_attachment',
__( 'Unable to get meta information for file.' ),
array( 'status' => 404 )
);
}
$supported_types = array( 'image/jpeg', 'image/png', 'image/gif', 'image/webp' );
$mime_type = get_post_mime_type( $attachment_id );
if ( ! in_array( $mime_type, $supported_types, true ) ) {
return new WP_Error(
'rest_cannot_edit_file_type',
__( 'This type of file cannot be edited.' ),
array( 'status' => 400 )
);
}
// The `modifiers` param takes precedence over the older format.
if ( isset( $request['modifiers'] ) ) {
$modifiers = $request['modifiers'];
} else {
$modifiers = array();
if ( ! empty( $request['rotation'] ) ) {
$modifiers[] = array(
'type' => 'rotate',
'args' => array(
'angle' => $request['rotation'],
),
);
}
if ( isset( $request['x'], $request['y'], $request['width'], $request['height'] ) ) {
$modifiers[] = array(
'type' => 'crop',
'args' => array(
'left' => $request['x'],
'top' => $request['y'],
'width' => $request['width'],
'height' => $request['height'],
),
);
}
if ( 0 === count( $modifiers ) ) {
return new WP_Error(
'rest_image_not_edited',
__( 'The image was not edited. Edit the image before applying the changes.' ),
array( 'status' => 400 )
);
}
}
/*
* If the file doesn't exist, attempt a URL fopen on the src link.
* This can occur with certain file replication plugins.
* Keep the original file path to get a modified name later.
*/
$image_file_to_edit = $image_file;
if ( ! file_exists( $image_file_to_edit ) ) {
$image_file_to_edit = _load_image_to_edit_path( $attachment_id );
}
$image_editor = wp_get_image_editor( $image_file_to_edit );
if ( is_wp_error( $image_editor ) ) {
return new WP_Error(
'rest_unknown_image_file_type',
__( 'Unable to edit this image.' ),
array( 'status' => 500 )
);
}
foreach ( $modifiers as $modifier ) {
$args = $modifier['args'];
switch ( $modifier['type'] ) {
case 'rotate':
// Rotation direction: clockwise vs. counter clockwise.
$rotate = 0 - $args['angle'];
if ( 0 !== $rotate ) {
$result = $image_editor->rotate( $rotate );
if ( is_wp_error( $result ) ) {
return new WP_Error(
'rest_image_rotation_failed',
__( 'Unable to rotate this image.' ),
array( 'status' => 500 )
);
}
}
break;
case 'crop':
$size = $image_editor->get_size();
$crop_x = round( ( $size['width'] * $args['left'] ) / 100.0 );
$crop_y = round( ( $size['height'] * $args['top'] ) / 100.0 );
$width = round( ( $size['width'] * $args['width'] ) / 100.0 );
$height = round( ( $size['height'] * $args['height'] ) / 100.0 );
if ( $size['width'] !== $width && $size['height'] !== $height ) {
$result = $image_editor->crop( $crop_x, $crop_y, $width, $height );
if ( is_wp_error( $result ) ) {
return new WP_Error(
'rest_image_crop_failed',
__( 'Unable to crop this image.' ),
array( 'status' => 500 )
);
}
}
break;
}
}
// Calculate the file name.
$image_ext = pathinfo( $image_file, PATHINFO_EXTENSION );
$image_name = wp_basename( $image_file, ".{$image_ext}" );
/*
* Do not append multiple `-edited` to the file name.
* The user may be editing a previously edited image.
*/
if ( preg_match( '/-edited(-\d+)?$/', $image_name ) ) {
// Remove any `-1`, `-2`, etc. `wp_unique_filename()` will add the proper number.
$image_name = preg_replace( '/-edited(-\d+)?$/', '-edited', $image_name );
} else {
// Append `-edited` before the extension.
$image_name .= '-edited';
}
$filename = "{$image_name}.{$image_ext}";
// Create the uploads sub-directory if needed.
$uploads = wp_upload_dir();
// Make the file name unique in the (new) upload directory.
$filename = wp_unique_filename( $uploads['path'], $filename );
// Save to disk.
$saved = $image_editor->save( $uploads['path'] . "/$filename" );
if ( is_wp_error( $saved ) ) {
return $saved;
}
// Create new attachment post.
$new_attachment_post = array(
'post_mime_type' => $saved['mime-type'],
'guid' => $uploads['url'] . "/$filename",
'post_title' => $image_name,
'post_content' => '',
);
// Copy post_content, post_excerpt, and post_title from the edited image's attachment post.
$attachment_post = get_post( $attachment_id );
if ( $attachment_post ) {
$new_attachment_post['post_content'] = $attachment_post->post_content;
$new_attachment_post['post_excerpt'] = $attachment_post->post_excerpt;
$new_attachment_post['post_title'] = $attachment_post->post_title;
}
$new_attachment_id = wp_insert_attachment( wp_slash( $new_attachment_post ), $saved['path'], 0, true );
if ( is_wp_error( $new_attachment_id ) ) {
if ( 'db_update_error' === $new_attachment_id->get_error_code() ) {
$new_attachment_id->add_data( array( 'status' => 500 ) );
} else {
$new_attachment_id->add_data( array( 'status' => 400 ) );
}
return $new_attachment_id;
}
// Copy the image alt text from the edited image.
$image_alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt', true );
if ( ! empty( $image_alt ) ) {
// update_post_meta() expects slashed.
update_post_meta( $new_attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
}
if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
/*
* Set a custom header with the attachment_id.
* Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.
*/
header( 'X-WP-Upload-Attachment-ID: ' . $new_attachment_id );
}
// Generate image sub-sizes and meta.
$new_image_meta = wp_generate_attachment_metadata( $new_attachment_id, $saved['path'] );
// Copy the EXIF metadata from the original attachment if not generated for the edited image.
if ( isset( $image_meta['image_meta'] ) && isset( $new_image_meta['image_meta'] ) && is_array( $new_image_meta['image_meta'] ) ) {
// Merge but skip empty values.
foreach ( (array) $image_meta['image_meta'] as $key => $value ) {
if ( empty( $new_image_meta['image_meta'][ $key ] ) && ! empty( $value ) ) {
$new_image_meta['image_meta'][ $key ] = $value;
}
}
}
// Reset orientation. At this point the image is edited and orientation is correct.
if ( ! empty( $new_image_meta['image_meta']['orientation'] ) ) {
$new_image_meta['image_meta']['orientation'] = 1;
}
// The attachment_id may change if the site is exported and imported.
$new_image_meta['parent_image'] = array(
'attachment_id' => $attachment_id,
// Path to the originally uploaded image file relative to the uploads directory.
'file' => _wp_relative_upload_path( $image_file ),
);
/**
* Filters the meta data for the new image created by editing an existing image.
*
* @since 5.5.0
*
* @param array $new_image_meta Meta data for the new image.
* @param int $new_attachment_id Attachment post ID for the new image.
* @param int $attachment_id Attachment post ID for the edited (parent) image.
*/
$new_image_meta = apply_filters( 'wp_edited_image_metadata', $new_image_meta, $new_attachment_id, $attachment_id );
wp_update_attachment_metadata( $new_attachment_id, $new_image_meta );
$response = $this->prepare_item_for_response( get_post( $new_attachment_id ), $request );
$response->set_status( 201 );
$response->header( 'Location', rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $new_attachment_id ) ) );
return $response;
}
/**
* Prepares a single attachment for create or update.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Request object.
* @return stdClass|WP_Error Post object.
*/
protected function prepare_item_for_database( $request ) {
$prepared_attachment = parent::prepare_item_for_database( $request );
// Attachment caption (post_excerpt internally).
if ( isset( $request['caption'] ) ) {
if ( is_string( $request['caption'] ) ) {
$prepared_attachment->post_excerpt = $request['caption'];
} elseif ( isset( $request['caption']['raw'] ) ) {
$prepared_attachment->post_excerpt = $request['caption']['raw'];
}
}
// Attachment description (post_content internally).
if ( isset( $request['description'] ) ) {
if ( is_string( $request['description'] ) ) {
$prepared_attachment->post_content = $request['description'];
} elseif ( isset( $request['description']['raw'] ) ) {
$prepared_attachment->post_content = $request['description']['raw'];
}
}
if ( isset( $request['post'] ) ) {
$prepared_attachment->post_parent = (int) $request['post'];
}
return $prepared_attachment;
}
/**
* Prepares a single attachment output for response.
*
* @since 4.7.0
* @since 5.9.0 Renamed `$post` to `$item` to match parent class for PHP 8 named parameter support.
*
* @param WP_Post $item Attachment object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
// Restores the more descriptive, specific name for use within this method.
$post = $item;
$response = parent::prepare_item_for_response( $post, $request );
$fields = $this->get_fields_for_response( $request );
$data = $response->get_data();
if ( in_array( 'description', $fields, true ) ) {
$data['description'] = array(
'raw' => $post->post_content,
/** This filter is documented in wp-includes/post-template.php */
'rendered' => apply_filters( 'the_content', $post->post_content ),
);
}
if ( in_array( 'caption', $fields, true ) ) {
/** This filter is documented in wp-includes/post-template.php */
$caption = apply_filters( 'get_the_excerpt', $post->post_excerpt, $post );
/** This filter is documented in wp-includes/post-template.php */
$caption = apply_filters( 'the_excerpt', $caption );
$data['caption'] = array(
'raw' => $post->post_excerpt,
'rendered' => $caption,
);
}
if ( in_array( 'alt_text', $fields, true ) ) {
$data['alt_text'] = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
}
if ( in_array( 'media_type', $fields, true ) ) {
$data['media_type'] = wp_attachment_is_image( $post->ID ) ? 'image' : 'file';
}
if ( in_array( 'mime_type', $fields, true ) ) {
$data['mime_type'] = $post->post_mime_type;
}
if ( in_array( 'media_details', $fields, true ) ) {
$data['media_details'] = wp_get_attachment_metadata( $post->ID );
// Ensure empty details is an empty object.
if ( empty( $data['media_details'] ) ) {
$data['media_details'] = new stdClass();
} elseif ( ! empty( $data['media_details']['sizes'] ) ) {
foreach ( $data['media_details']['sizes'] as $size => &$size_data ) {
if ( isset( $size_data['mime-type'] ) ) {
$size_data['mime_type'] = $size_data['mime-type'];
unset( $size_data['mime-type'] );
}
// Use the same method image_downsize() does.
$image_src = wp_get_attachment_image_src( $post->ID, $size );
if ( ! $image_src ) {
continue;
}
$size_data['source_url'] = $image_src[0];
}
$full_src = wp_get_attachment_image_src( $post->ID, 'full' );
if ( ! empty( $full_src ) ) {
$data['media_details']['sizes']['full'] = array(
'file' => wp_basename( $full_src[0] ),
'width' => $full_src[1],
'height' => $full_src[2],
'mime_type' => $post->post_mime_type,
'source_url' => $full_src[0],
);
}
} else {
$data['media_details']['sizes'] = new stdClass();
}
}
if ( in_array( 'post', $fields, true ) ) {
$data['post'] = ! empty( $post->post_parent ) ? (int) $post->post_parent : null;
}
if ( in_array( 'source_url', $fields, true ) ) {
$data['source_url'] = wp_get_attachment_url( $post->ID );
}
if ( in_array( 'missing_image_sizes', $fields, true ) ) {
require_once ABSPATH . 'wp-admin/includes/image.php';
$data['missing_image_sizes'] = array_keys( wp_get_missing_image_subsizes( $post->ID ) );
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->filter_response_by_context( $data, $context );
$links = $response->get_links();
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
foreach ( $links as $rel => $rel_links ) {
foreach ( $rel_links as $link ) {
$response->add_link( $rel, $link['href'], $link['attributes'] );
}
}
/**
* Filters an attachment returned from the REST API.
*
* Allows modification of the attachment right before it is returned.
*
* @since 4.7.0
*
* @param WP_REST_Response $response The response object.
* @param WP_Post $post The original attachment post.
* @param WP_REST_Request $request Request used to generate the response.
*/
return apply_filters( 'rest_prepare_attachment', $response, $post, $request );
}
/**
* Retrieves the attachment's schema, conforming to JSON Schema.
*
* @since 4.7.0
*
* @return array Item schema as an array.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$schema = parent::get_item_schema();
$schema['properties']['alt_text'] = array(
'description' => __( 'Alternative text to display when attachment is not displayed.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
);
$schema['properties']['caption'] = array(
'description' => __( 'The attachment caption.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Caption for the attachment, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML caption for the attachment, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
$schema['properties']['description'] = array(
'description' => __( 'The attachment description.' ),
'type' => 'object',
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Description for the attachment, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML description for the attachment, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
),
);
$schema['properties']['media_type'] = array(
'description' => __( 'Attachment type.' ),
'type' => 'string',
'enum' => array( 'image', 'file' ),
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
);
$schema['properties']['mime_type'] = array(
'description' => __( 'The attachment MIME type.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
);
$schema['properties']['media_details'] = array(
'description' => __( 'Details about the media file, specific to its type.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
);
$schema['properties']['post'] = array(
'description' => __( 'The ID for the associated post of the attachment.' ),
'type' => 'integer',
'context' => array( 'view', 'edit' ),
);
$schema['properties']['source_url'] = array(
'description' => __( 'URL to the original attachment file.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
);
$schema['properties']['missing_image_sizes'] = array(
'description' => __( 'List of the missing image sizes of the attachment.' ),
'type' => 'array',
'items' => array( 'type' => 'string' ),
'context' => array( 'edit' ),
'readonly' => true,
);
unset( $schema['properties']['password'] );
$this->schema = $schema;
return $this->add_additional_fields_schema( $this->schema );
}
/**
* Handles an upload via raw POST data.
*
* @since 4.7.0
*
* @param string $data Supplied file data.
* @param array $headers HTTP headers from the request.
* @return array|WP_Error Data from wp_handle_sideload().
*/
protected function upload_from_data( $data, $headers ) {
if ( empty( $data ) ) {
return new WP_Error(
'rest_upload_no_data',
__( 'No data supplied.' ),
array( 'status' => 400 )
);
}
if ( empty( $headers['content_type'] ) ) {
return new WP_Error(
'rest_upload_no_content_type',
__( 'No Content-Type supplied.' ),
array( 'status' => 400 )
);
}
if ( empty( $headers['content_disposition'] ) ) {
return new WP_Error(
'rest_upload_no_content_disposition',
__( 'No Content-Disposition supplied.' ),
array( 'status' => 400 )
);
}
$filename = self::get_filename_from_disposition( $headers['content_disposition'] );
if ( empty( $filename ) ) {
return new WP_Error(
'rest_upload_invalid_disposition',
__( 'Invalid Content-Disposition supplied. Content-Disposition needs to be formatted as `attachment; filename="image.png"` or similar.' ),
array( 'status' => 400 )
);
}
if ( ! empty( $headers['content_md5'] ) ) {
$content_md5 = array_shift( $headers['content_md5'] );
$expected = trim( $content_md5 );
$actual = md5( $data );
if ( $expected !== $actual ) {
return new WP_Error(
'rest_upload_hash_mismatch',
__( 'Content hash did not match expected.' ),
array( 'status' => 412 )
);
}
}
// Get the content-type.
$type = array_shift( $headers['content_type'] );
// Include filesystem functions to get access to wp_tempnam() and wp_handle_sideload().
require_once ABSPATH . 'wp-admin/includes/file.php';
// Save the file.
$tmpfname = wp_tempnam( $filename );
$fp = fopen( $tmpfname