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| Current File : /storage/v11800/affypharma/public_html/wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php |
<?php
/**
* REST API: WP_REST_Block_Types_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 5.5.0
*/
/**
* Core class used to access block types via the REST API.
*
* @since 5.5.0
*
* @see WP_REST_Controller
*/
class WP_REST_Block_Types_Controller extends WP_REST_Controller {
const NAME_PATTERN = '^[a-z][a-z0-9-]*/[a-z][a-z0-9-]*$';
/**
* Instance of WP_Block_Type_Registry.
*
* @since 5.5.0
* @var WP_Block_Type_Registry
*/
protected $block_registry;
/**
* Instance of WP_Block_Styles_Registry.
*
* @since 5.5.0
* @var WP_Block_Styles_Registry
*/
protected $style_registry;
/**
* Constructor.
*
* @since 5.5.0
*/
public function __construct() {
$this->namespace = 'wp/v2';
$this->rest_base = 'block-types';
$this->block_registry = WP_Block_Type_Registry::get_instance();
$this->style_registry = WP_Block_Styles_Registry::get_instance();
}
/**
* Registers the routes for block types.
*
* @since 5.5.0
*
* @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(),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/(?P<namespace>[a-zA-Z0-9_-]+)',
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(),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/(?P<namespace>[a-zA-Z0-9_-]+)/(?P<name>[a-zA-Z0-9_-]+)',
array(
'args' => array(
'name' => array(
'description' => __( 'Block name.' ),
'type' => 'string',
),
'namespace' => array(
'description' => __( 'Block namespace.' ),
'type' => 'string',
),
),
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' ) ),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Checks whether a given request has permission to read post block types.
*
* @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 get_items_permissions_check( $request ) {
return $this->check_read_permission();
}
/**
* Retrieves all post block types, depending on user context.
*
* @since 5.5.0
*
* @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 ) {
$data = array();
$block_types = $this->block_registry->get_all_registered();
// Retrieve the list of registered collection query parameters.
$registered = $this->get_collection_params();
$namespace = '';
if ( isset( $registered['namespace'] ) && ! empty( $request['namespace'] ) ) {
$namespace = $request['namespace'];
}
foreach ( $block_types as $slug => $obj ) {
if ( $namespace ) {
list ( $block_namespace ) = explode( '/', $obj->name );
if ( $namespace !== $block_namespace ) {
continue;
}
}
$block_type = $this->prepare_item_for_response( $obj, $request );
$data[] = $this->prepare_response_for_collection( $block_type );
}
return rest_ensure_response( $data );
}
/**
* Checks if a given request has access to read a block type.
*
* @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 for the item, WP_Error object otherwise.
*/
public function get_item_permissions_check( $request ) {
$check = $this->check_read_permission();
if ( is_wp_error( $check ) ) {
return $check;
}
$block_name = sprintf( '%s/%s', $request['namespace'], $request['name'] );
$block_type = $this->get_block( $block_name );
if ( is_wp_error( $block_type ) ) {
return $block_type;
}
return true;
}
/**
* Checks whether a given block type should be visible.
*
* @since 5.5.0
*
* @return true|WP_Error True if the block type is visible, WP_Error otherwise.
*/
protected function check_read_permission() {
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_block_type_cannot_view', __( 'Sorry, you are not allowed to manage block types.' ), array( 'status' => rest_authorization_required_code() ) );
}
/**
* Get the block, if the name is valid.
*
* @since 5.5.0
*
* @param string $name Block name.
* @return WP_Block_Type|WP_Error Block type object if name is valid, WP_Error otherwise.
*/
protected function get_block( $name ) {
$block_type = $this->block_registry->get_registered( $name );
if ( empty( $block_type ) ) {
return new WP_Error( 'rest_block_type_invalid', __( 'Invalid block type.' ), array( 'status' => 404 ) );
}
return $block_type;
}
/**
* Retrieves a specific block type.
*
* @since 5.5.0
*
* @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 ) {
$block_name = sprintf( '%s/%s', $request['namespace'], $request['name'] );
$block_type = $this->get_block( $block_name );
if ( is_wp_error( $block_type ) ) {
return $block_type;
}
$data = $this->prepare_item_for_response( $block_type, $request );
return rest_ensure_response( $data );
}
/**
* Prepares a block type object for serialization.
*
* @since 5.5.0
* @since 5.9.0 Renamed `$block_type` to `$item` to match parent class for PHP 8 named parameter support.
* @since 6.3.0 Added `selectors` field.
* @since 6.5.0 Added `view_script_module_ids` field.
*
* @param WP_Block_Type $item Block type data.
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response Block type data.
*/
public function prepare_item_for_response( $item, $request ) {
// Restores the more descriptive, specific name for use within this method.
$block_type = $item;
$fields = $this->get_fields_for_response( $request );
$data = array();
if ( rest_is_field_included( 'attributes', $fields ) ) {
$data['attributes'] = $block_type->get_attributes();
}
if ( rest_is_field_included( 'is_dynamic', $fields ) ) {
$data['is_dynamic'] = $block_type->is_dynamic();
}
$schema = $this->get_item_schema();
// Fields deprecated in WordPress 6.1, but left in the schema for backwards compatibility.
$deprecated_fields = array(
'editor_script',
'script',
'view_script',
'editor_style',
'style',
);
$extra_fields = array_merge(
array(
'api_version',
'name',
'title',
'description',
'icon',
'category',
'keywords',
'parent',
'ancestor',
'allowed_blocks',
'provides_context',
'uses_context',
'selectors',
'supports',
'styles',
'textdomain',
'example',
'editor_script_handles',
'script_handles',
'view_script_handles',
'view_script_module_ids',
'editor_style_handles',
'style_handles',
'view_style_handles',
'variations',
'block_hooks',
),
$deprecated_fields
);
foreach ( $extra_fields as $extra_field ) {
if ( rest_is_field_included( $extra_field, $fields ) ) {
if ( isset( $block_type->$extra_field ) ) {
$field = $block_type->$extra_field;
if ( in_array( $extra_field, $deprecated_fields, true ) && is_array( $field ) ) {
// Since the schema only allows strings or null (but no arrays), we return the first array item.
$field = ! empty( $field ) ? array_shift( $field ) : '';
}
} elseif ( array_key_exists( 'default', $schema['properties'][ $extra_field ] ) ) {
$field = $schema['properties'][ $extra_field ]['default'];
} else {
$field = '';
}
$data[ $extra_field ] = rest_sanitize_value_from_schema( $field, $schema['properties'][ $extra_field ] );
}
}
if ( rest_is_field_included( 'styles', $fields ) ) {
$styles = $this->style_registry->get_registered_styles_for_block( $block_type->name );
$styles = array_values( $styles );
$data['styles'] = wp_parse_args( $styles, $data['styles'] );
$data['styles'] = array_filter( $data['styles'] );
}
$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( $block_type ) );
}
/**
* Filters a block type returned from the REST API.
*
* Allows modification of the block type data right before it is returned.
*
* @since 5.5.0
*
* @param WP_REST_Response $response The response object.
* @param WP_Block_Type $block_type The original block type object.
* @param WP_REST_Request $request Request used to generate the response.
*/
return apply_filters( 'rest_prepare_block_type', $response, $block_type, $request );
}
/**
* Prepares links for the request.
*
* @since 5.5.0
*
* @param WP_Block_Type $block_type Block type data.
* @return array Links for the given block type.
*/
protected function prepare_links( $block_type ) {
list( $namespace ) = explode( '/', $block_type->name );
$links = array(
'collection' => array(
'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
),
'self' => array(
'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $block_type->name ) ),
),
'up' => array(
'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $namespace ) ),
),
);
if ( $block_type->is_dynamic() ) {
$links['https://api.w.org/render-block'] = array(
'href' => add_query_arg(
'context',
'edit',
rest_url( sprintf( '%s/%s/%s', 'wp/v2', 'block-renderer', $block_type->name ) )
),
);
}
return $links;
}
/**
* Retrieves the block type' schema, conforming to JSON Schema.
*
* @since 5.5.0
* @since 6.3.0 Added `selectors` field.
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
// rest_validate_value_from_schema doesn't understand $refs, pull out reused definitions for readability.
$inner_blocks_definition = array(
'description' => __( 'The list of inner blocks used in the example.' ),
'type' => 'array',
'items' => array(
'type' => 'object',
'properties' => array(
'name' => array(
'description' => __( 'The name of the inner block.' ),
'type' => 'string',
'pattern' => self::NAME_PATTERN,
'required' => true,
),
'attributes' => array(
'description' => __( 'The attributes of the inner block.' ),
'type' => 'object',
),
'innerBlocks' => array(
'description' => __( "A list of the inner block's own inner blocks. This is a recursive definition following the parent innerBlocks schema." ),
'type' => 'array',
),
),
),
);
$example_definition = array(
'description' => __( 'Block example.' ),
'type' => array( 'object', 'null' ),
'default' => null,
'properties' => array(
'attributes' => array(
'description' => __( 'The attributes used in the example.' ),
'type' => 'object',
),
'innerBlocks' => $inner_blocks_definition,
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
);
$keywords_definition = array(
'description' => __( 'Block keywords.' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
'default' => array(),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
);
$icon_definition = array(
'description' => __( 'Icon of block type.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
);
$category_definition = array(
'description' => __( 'Block category.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
);
$this->schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'block-type',
'type' => 'object',
'properties' => array(
'api_version' => array(
'description' => __( 'Version of block API.' ),
'type' => 'integer',
'default' => 1,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'title' => array(
'description' => __( 'Title of block type.' ),
'type' => 'string',
'default' => '',
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'name' => array(
'description' => __( 'Unique name identifying the block type.' ),
'type' => 'string',
'pattern' => self::NAME_PATTERN,
'required' => true,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'description' => array(
'description' => __( 'Description of block type.' ),
'type' => 'string',
'default' => '',
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'icon' => $icon_definition,
'attributes' => array(
'description' => __( 'Block attributes.' ),
'type' => array( 'object', 'null' ),
'properties' => array(),
'default' => null,
'additionalProperties' => array(
'type' => 'object',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'provides_context' => array(
'description' => __( 'Context provided by blocks of this type.' ),
'type' => 'object',
'properties' => array(),
'additionalProperties' => array(
'type' => 'string',
),
'default' => array(),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'uses_context' => array(
'description' => __( 'Context values inherited by blocks of this type.' ),
'type' => 'array',
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'selectors' => array(
'description' => __( 'Custom CSS selectors.' ),
'type' => 'object',
'default' => array(),
'properties' => array(),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'supports' => array(
'description' => __( 'Block supports.' ),
'type' => 'object',
'default' => array(),
'properties' => array(),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'category' => $category_definition,
'is_dynamic' => array(
'description' => __( 'Is the block dynamically rendered.' ),
'type' => 'boolean',
'default' => false,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'editor_script_handles' => array(
'description' => __( 'Editor script handles.' ),
'type' => array( 'array' ),
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'script_handles' => array(
'description' => __( 'Public facing and editor script handles.' ),
'type' => array( 'array' ),
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'view_script_handles' => array(
'description' => __( 'Public facing script handles.' ),
'type' => array( 'array' ),
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'view_script_module_ids' => array(
'description' => __( 'Public facing script module IDs.' ),
'type' => array( 'array' ),
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'editor_style_handles' => array(
'description' => __( 'Editor style handles.' ),
'type' => array( 'array' ),
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'style_handles' => array(
'description' => __( 'Public facing and editor style handles.' ),
'type' => array( 'array' ),
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'view_style_handles' => array(
'description' => __( 'Public facing style handles.' ),
'type' => array( 'array' ),
'default' => array(),
'items' => array(
'type' => 'string',
),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'styles' => array(
'description' => __( 'Block style variations.' ),
'type' => 'array',
'items' => array(
'type' => 'object',
'properties' => array(
'name' => array(
'description' => __( 'Unique name identifying the style.' ),
'type' => 'string',
'required' => true,
),
'label' => array(
'description' => __( 'The human-readable label for the style.' ),
'type' => 'string',
),
'inline_style' => array(
'description' => __( 'Inline CSS code that registers the CSS class required for the style.' ),
'type' => 'string',
),
'style_handle' => array(
'description' => __( 'Contains the handle that defines the block style.' ),
'type' => 'string',
),
),
),
'default' => array(),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'variations' => array(
'description' => __( 'Block variations.' ),
'type' => 'array',
'items' => array(
'type' => 'object',
'properties' => array(
'name' => array(
'description' => __( 'The unique and machine-readable name.' ),
'type' => 'string',
'required' => true,
),
'title' => array(
'description' => __( 'A human-readable variation title.' ),
'type' => 'string',
'required' => true,
),
'description' => array(
'description' => __( 'A detailed variation description.' ),
'type' => 'string',
'required' => false,
),
'category' => $category_definition,
'icon' => $icon_definition,
'isDefault' => array(
'description' => __( 'Indicates whether the current variation is the default one.' ),
'type' => 'boolean',
'required' => false,
'default' => false,
),
'attributes' => array(
'description' => __( 'The initial values for attributes.' ),
'type' => 'object',
),
'innerBlocks' => $inner_blocks_definition,
'example' => $example_definition,
'scope' => array(
'description' => __( 'The list of scopes where the variation is applicable. When not provided, it assumes all available scopes.' ),
'type' => array( 'array', 'null' ),
'default' => null,
'items' => array(
'type' => 'string',
'enum' => array( 'block', 'inserter', 'transform' ),
),
'readonly' => true,
),
'keywords' => $keywords_definition,
),
),
'readonly' => true,
'context' => array( 'embed', 'view', 'edit' ),
'default' => null,
),
'textdomain' => array(
'description' => __( 'Public text domain.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'parent' => array(
'description' => __( 'Parent blocks.' ),
'type' => array( 'array', 'null' ),
'items' => array(
'type' => 'string',
'pattern' => self::NAME_PATTERN,
),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'ancestor' => array(
'description' => __( 'Ancestor blocks.' ),
'type' => array( 'array', 'null' ),
'items' => array(
'type' => 'string',
'pattern' => self::NAME_PATTERN,
),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'allowed_blocks' => array(
'description' => __( 'Allowed child block types.' ),
'type' => array( 'array', 'null' ),
'items' => array(
'type' => 'string',
'pattern' => self::NAME_PATTERN,
),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'keywords' => $keywords_definition,
'example' => $example_definition,
'block_hooks' => array(
'description' => __( 'This block is automatically inserted near any occurrence of the block types used as keys of this map, into a relative position given by the corresponding value.' ),
'type' => 'object',
'patternProperties' => array(
self::NAME_PATTERN => array(
'type' => 'string',
'enum' => array( 'before', 'after', 'first_child', 'last_child' ),
),
),
'default' => array(),
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
),
);
// Properties deprecated in WordPress 6.1, but left in the schema for backwards compatibility.
$deprecated_properties = array(
'editor_script' => array(
'description' => __( 'Editor script handle. DEPRECATED: Use `editor_script_handles` instead.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'script' => array(
'description' => __( 'Public facing and editor script handle. DEPRECATED: Use `script_handles` instead.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'view_script' => array(
'description' => __( 'Public facing script handle. DEPRECATED: Use `view_script_handles` instead.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'editor_style' => array(
'description' => __( 'Editor style handle. DEPRECATED: Use `editor_style_handles` instead.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'style' => array(
'description' => __( 'Public facing and editor style handle. DEPRECATED: Use `style_handles` instead.' ),
'type' => array( 'string', 'null' ),
'default' => null,
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
);
$this->schema['properties'] = array_merge( $this->schema['properties'], $deprecated_properties );
return $this->add_additional_fields_schema( $this->schema );
}
/**
* Retrieves the query params for collections.
*
* @since 5.5.0
*
* @return array Collection parameters.
*/
public function get_collection_params() {
return array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
'namespace' => array(
'description' => __( 'Block namespace.' ),
'type' => 'string',
),
);
}
}