<?php
/**
* REST API: WP_REST_Block_Directory_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 5.5.0
*/
/**
* Controller which provides REST endpoint for the blocks.
*
* @since 5.5.0
*
* @see WP_REST_Controller
*/
class WP_REST_Block_Directory_Controller extends WP_REST_Controller {
/**
* Constructs the controller.
*/
public function __construct() {
$this->namespace = 'wp/v2';
$this->rest_base = 'block-directory';
}
/**
* Registers the necessary REST API routes.
*/
public function register_routes() {
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/search',
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' ),
)
);
}
/**
* Checks whether a given request has permission to install and activate plugins.
*
* @since 5.5.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has permission, WP_Error object otherwise.
*/
public function get_items_permissions_check( $request ) {
if ( ! current_user_can( 'install_plugins' ) || ! current_user_can( 'activate_plugins' ) ) {
return new WP_Error(
'rest_block_directory_cannot_view',
__( 'Sorry, you are not allowed to browse the block directory.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Search and retrieve blocks metadata
*
* @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 ) {
require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
require_once ABSPATH . 'wp-admin/includes/plugin.php';
$response = plugins_api(
'query_plugins',
array(
'block' => $request['term'],
'per_page' => $request['per_page'],
'page' => $request['page'],
)
);
if ( is_wp_error( $response ) ) {
$response->add_data( array( 'status' => 500 ) );
return $response;
}
$result = array();
foreach ( $response->plugins as $plugin ) {
// If the API returned a plugin with empty data for 'blocks', skip it.
if ( empty( $plugin['blocks'] ) ) {
continue;
}
$data = $this->prepare_item_for_response( $plugin, $request );
$result[] = $this->prepare_response_for_collection( $data );
}
return rest_ensure_response( $result );
}
/**
* Parse block metadata for a block, and prepare it for an API response.
*
* @since 5.5.0
* @since 5.9.0 Renamed `$plugin` to `$item` to match parent class for PHP 8 named parameter support.
*
* @param array $item The plugin metadata.
* @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 ) {
// Restores the more descriptive, specific name for use within this method.
$plugin = $item;
// There might be multiple blocks in a plugin. Only the first block is mapped.
$block_data = reset( $plugin['blocks'] );
// A data array containing the properties we'll return.
$block = array(
'name' => $block_data['name'],
'title' => ( $block_data['title'] ? $block_data['title'] : $plugin['name'] ),
'description' => wp_trim_words( $plugin['short_description'], 30, '...' ),
'id' => $plugin['slug'],
'rating' => $plugin['rating'] / 20,
'rating_count' => (int) $plugin['num_ratings'],
'active_installs' => (int) $plugin['active_installs'],
'author_block_rating' => $plugin['author_block_rating'] / 20,
'author_block_count' => (int) $plugin['author_block_count'],
'author' => wp_strip_all_tags( $plugin['author'] ),
'icon' => ( isset( $plugin['icons']['1x'] ) ? $plugin['icons']['1x'] : 'block-default' ),
'last_updated' => gmdate( 'Y-m-d\TH:i:s', strtotime( $plugin['last_updated'] ) ),
'humanized_updated' => sprintf(
/* translators: %s: Human-readable time difference. */
__( '%s ago' ),
human_time_diff( strtotime( $plugin['last_updated'] ) )
),
);
$this->add_additional_fields_to_object( $block, $request );
$response = new WP_REST_Response( $block );
$response->add_links( $this->prepare_links( $plugin ) );
return $response;
}
/**
* Generates a list of links to include in the response for the plugin.
*
* @since 5.5.0
*
* @param array $plugin The plugin data from WordPress.org.
* @return array
*/
protected function prepare_links( $plugin ) {
$links = array(
'https://api.w.org/install-plugin' => array(
'href' => add_query_arg( 'slug', urlencode( $plugin['slug'] ), rest_url( 'wp/v2/plugins' ) ),
),
);
$plugin_file = $this->find_plugin_for_slug( $plugin['slug'] );
if ( $plugin_file ) {
$links['https://api.w.org/plugin'] = array(
'href' => rest_url( 'wp/v2/plugins/' . substr( $plugin_file, 0, - 4 ) ),
'embeddable' => true,
);
}
return $links;
}
/**
* Finds an installed plugin for the given slug.
*
* @since 5.5.0
*
* @param string $slug The WordPress.org directory slug for a plugin.
* @return string The plugin file found matching it.
*/
protected function find_plugin_for_slug( $slug ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
$plugin_files = get_plugins( '/' . $slug );
if ( ! $plugin_files ) {
return '';
}
$plugin_files = array_keys( $plugin_files );
return $slug . '/' . reset( $plugin_files );
}
/**
* Retrieves the theme's schema, conforming to JSON Schema.
*
* @since 5.5.0
*
* @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' => 'block-directory-item',
'type' => 'object',
'properties' => array(
'name' => array(
'description' => __( 'The block name, in namespace/block-name format.' ),
'type' => 'string',
'context' => array( 'view' ),
),
'title' => array(
'description' => __( 'The block title, in human readable format.' ),
'type' => 'string',
'context' => array( 'view' ),
),
'description' => array(
'description' => __( 'A short description of the block, in human readable format.' ),
'type' => 'string',
'context' => array( 'view' ),
),
'id' => array(
'description' => __( 'The block slug.' ),
'type' => 'string',
'context' => array( 'view' ),
),
'rating' => array(
'description' => __( 'The star rating of the block.' ),
'type' => 'number',
'context' => array( 'view' ),
),
'rating_count' => array(
'description' => __( 'The number of ratings.' ),
'type' => 'integer',
'context' => array( 'view' ),
),
'active_installs' => array(
'description' => __( 'The number sites that have activated this block.' ),
'type' => 'integer',
'context' => array( 'view' ),
),
'author_block_rating' => array(
'description' => __( 'The average rating of blocks published by the same author.' ),
'type' => 'number',
'context' => array( 'view' ),
),
'author_block_count' => array(
'description' => __( 'The number of blocks published by the same author.' ),
'type' => 'integer',
'context' => array( 'view' ),
),
'author' => array(
'description' => __( 'The WordPress.org username of the block author.' ),
'type' => 'string',
'context' => array( 'view' ),
),
'icon' => array(
'description' => __( 'The block icon.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view' ),
),
'last_updated' => array(
'description' => __( 'The date when the block was last updated.' ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view' ),
),
'humanized_updated' => array(
'description' => __( 'The date when the block was last updated, in fuzzy human readable format.' ),
'type' => 'string',
'context' => array( 'view' ),
),
),
);
return $this->add_additional_fields_schema( $this->schema );
}
/**
* Retrieves the search params for the blocks collection.
*
* @since 5.5.0
*
* @return array Collection parameters.
*/
public function get_collection_params() {
$query_params = parent::get_collection_params();
$query_params['context']['default'] = 'view';
$query_params['term'] = array(
'description' => __( 'Limit result set to blocks matching the search term.' ),
'type' => 'string',
'required' => true,
'minLength' => 1,
);
unset( $query_params['search'] );
/**
* Filters REST API collection parameters for the block directory controller.
*
* @since 5.5.0
*
* @param array $query_params JSON Schema-formatted collection parameters.
*/
return apply_filters( 'rest_block_directory_collection_params', $query_params );
}
}