174 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			174 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * WebFinger REST-Class file.
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 *
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 * @package Activitypub
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 */
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namespace Activitypub\Rest;
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/**
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 * ActivityPub WebFinger REST-Class.
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 *
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 * @author Matthias Pfefferle
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 *
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 * @see https://webfinger.net/
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 */
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class Webfinger_Controller extends \WP_REST_Controller {
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	/**
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	 * The namespace of this controller's route.
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	 *
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	 * @var string
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	 */
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	protected $namespace = ACTIVITYPUB_REST_NAMESPACE;
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	/**
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	 * The base of this controller's route.
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	 *
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	 * @var string
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	 */
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	protected $rest_base = 'webfinger';
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	/**
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	 * Register routes.
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	 */
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	public function register_routes() {
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		\register_rest_route(
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			$this->namespace,
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			'/' . $this->rest_base,
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			array(
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				array(
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					'methods'             => \WP_REST_Server::READABLE,
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					'callback'            => array( $this, 'get_item' ),
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					'permission_callback' => '__return_true',
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					'args'                => array(
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						'resource' => array(
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							'description' => 'The WebFinger resource.',
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							'type'        => 'string',
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							'required'    => true,
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							'pattern'     => '^(acct:)|^(https?://)(.+)$',
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						),
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					),
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				),
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				'schema' => array( $this, 'get_item_schema' ),
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			)
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		);
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	}
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	/**
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	 * Retrieves the WebFinger profile.
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	 *
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	 * @param \WP_REST_Request $request The request object.
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	 *
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	 * @return \WP_REST_Response Response object.
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	 */
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	public function get_item( $request ) {
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		/**
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		 * Action triggered prior to the ActivityPub profile being created and sent to the client.
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		 */
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		\do_action( 'activitypub_rest_webfinger_pre' );
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		$resource = $request->get_param( 'resource' );
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		$response = $this->get_profile( $resource );
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		$code     = 200;
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		if ( \is_wp_error( $response ) ) {
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			$code       = 400;
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			$error_data = $response->get_error_data();
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			if ( isset( $error_data['status'] ) ) {
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				$code = $error_data['status'];
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			}
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		}
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		return new \WP_REST_Response(
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			$response,
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			$code,
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			array(
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				'Access-Control-Allow-Origin' => '*',
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				'Content-Type'                => 'application/jrd+json; charset=' . \get_option( 'blog_charset' ),
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			)
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		);
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	}
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	/**
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	 * Get the WebFinger profile.
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	 *
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	 * @param string $webfinger The WebFinger resource.
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	 *
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	 * @return array|\WP_Error The WebFinger profile or WP_Error if not found.
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	 */
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	public function get_profile( $webfinger ) {
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		/**
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		 * Filter the WebFinger data.
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		 *
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		 * @param array  $data      The WebFinger data.
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		 * @param string $webfinger The WebFinger resource.
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		 */
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		return \apply_filters( 'webfinger_data', array(), $webfinger );
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	}
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	/**
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	 * Retrieves the schema for the WebFinger endpoint.
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	 *
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	 * @return array Schema data.
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	 */
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	public function get_item_schema() {
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		if ( $this->schema ) {
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			return $this->add_additional_fields_schema( $this->schema );
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		}
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		$this->schema = array(
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			'$schema'    => 'http://json-schema.org/draft-04/schema#',
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			'title'      => 'webfinger',
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			'type'       => 'object',
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			'required'   => array( 'subject', 'links' ),
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			'properties' => array(
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				'subject' => array(
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					'description' => 'The subject of this WebFinger record.',
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					'type'        => 'string',
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					'format'      => 'uri',
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				),
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				'aliases' => array(
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					'description' => 'Alternative identifiers for the subject.',
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					'type'        => 'array',
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					'items'       => array(
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						'type'   => 'string',
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						'format' => 'uri',
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					),
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				),
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				'links'   => array(
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					'description' => 'Links associated with the subject.',
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					'type'        => 'array',
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					'items'       => array(
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						'type'       => 'object',
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						'properties' => array(
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							'rel'      => array(
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								'description' => 'The relation type of the link.',
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								'type'        => 'string',
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								'required'    => true,
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							),
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							'type'     => array(
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								'description' => 'The content type of the link.',
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								'type'        => 'string',
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							),
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							'href'     => array(
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								'description' => 'The target URL of the link.',
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								'type'        => 'string',
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								'format'      => 'uri',
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							),
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							'template' => array(
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								'description' => 'A URI template for the link.',
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								'type'        => 'string',
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								'format'      => 'uri',
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							),
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						),
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					),
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				),
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			),
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		);
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		return $this->add_additional_fields_schema( $this->schema );
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	}
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}
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