116 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			2.4 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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use WP_REST_Response;
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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 {
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	/**
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	 * Initialize the class, registering WordPress hooks.
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	 */
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	public static function init() {
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		self::register_routes();
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	}
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	/**
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	 * Register routes.
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	 */
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	public static function register_routes() {
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		\register_rest_route(
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			ACTIVITYPUB_REST_NAMESPACE,
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			'/webfinger',
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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( self::class, 'webfinger' ),
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					'args'                => self::request_parameters(),
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					'permission_callback' => '__return_true',
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				),
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			)
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		);
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	}
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	/**
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	 * WebFinger endpoint.
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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 The response object.
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	 */
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	public static function webfinger( $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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		$code = 200;
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		$resource = $request->get_param( 'resource' );
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		$response = self::get_profile( $resource );
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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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	 * The supported parameters.
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	 *
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	 * @return array list of parameters
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	 */
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	public static function request_parameters() {
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		$params = array();
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		$params['resource'] = array(
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			'required' => true,
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			'type'     => 'string',
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			'pattern'  => '^(acct:)|^(https?://)(.+)$',
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		);
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		return $params;
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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 static 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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