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<?php
/**
* WP_oEmbed_Controller class, used to provide an oEmbed endpoint.
*
* @package WordPress
* @subpackage Embeds
* @since 4.4.0
*/
/**
* oEmbed API endpoint controller.
*
* Registers the API route and delivers the response data.
* The output format (XML or JSON) is handled by the REST API.
*
* @since 4.4.0
*/
final class WP_oEmbed_Controller {
/**
* Register the oEmbed REST API route.
*
* @since 4.4.0
* @access public
*/
public function register_routes() {
/**
* Filters the maxwidth oEmbed parameter.
*
* @since 4.4.0
*
* @param int $maxwidth Maximum allowed width. Default 600.
*/
$maxwidth = apply_filters( 'oembed_default_width', 600 );
register_rest_route( 'oembed/1.0', '/embed', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'args' => array(
'url' => array(
'required' => true,
'sanitize_callback' => 'esc_url_raw',
),
'format' => array(
'default' => 'json',
'sanitize_callback' => 'wp_oembed_ensure_format',
),
'maxwidth' => array(
'default' => $maxwidth,
'sanitize_callback' => 'absint',
),
),
),
) );
}
/**
* Callback for the API endpoint.
*
* Returns the JSON object for the post.
*
* @since 4.4.0
* @access public
*
* @param WP_REST_Request $request Full data about the request.
* @return WP_Error|array oEmbed response data or WP_Error on failure.
*/
public function get_item( $request ) {
$post_id = url_to_postid( $request['url'] );
/**
* Filters the determined post ID.
*
* @since 4.4.0
*
* @param int $post_id The post ID.
* @param string $url The requested URL.
*/
$post_id = apply_filters( 'oembed_request_post_id', $post_id, $request['url'] );
$data = get_oembed_response_data( $post_id, $request['maxwidth'] );
if ( ! $data ) {
return new WP_Error( 'oembed_invalid_url', get_status_header_desc( 404 ), array( 'status' => 404 ) );
}
return $data;
}
}