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<?php |
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namespace Activitypub\Rest; |
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|
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use WP_Error; |
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use WP_REST_Response; |
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use Activitypub\Collection\Users as User_Collection; |
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|
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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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* @return void |
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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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/** |
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* Register routes. |
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* |
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* @return void |
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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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/** |
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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( $request ) { |
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/* |
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* Action triggerd prior to the ActivityPub profile being created and sent to the client |
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*/ |
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\do_action( 'activitypub_rest_webfinger_pre' ); |
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|
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$resource = $request->get_param( 'resource' ); |
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$response = self::get_profile( $resource ); |
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|
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return new WP_REST_Response( $response, 200 ); |
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} |
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|
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/** |
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* The supported parameters |
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* |
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* @return array list of parameters |
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*/ |
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public static function request_parameters() { |
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$params = array(); |
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|
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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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|
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return $params; |
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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 $resource the WebFinger resource. |
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* |
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* @return array the WebFinger profile. |
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*/ |
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public static function get_profile( $resource ) { |
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$user = User_Collection::get_by_resource( $resource ); |
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|
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if ( is_wp_error( $user ) ) { |
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return $user; |
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} |
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|
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$aliases = array( |
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$user->get_url(), |
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$user->get_alternate_url(), |
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); |
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|
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$aliases = array_unique( $aliases ); |
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|
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$profile = array( |
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'subject' => sprintf( 'acct:%s', $user->get_webfinger() ), |
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'aliases' => array_values( array_unique( $aliases ) ), |
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'links' => array( |
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array( |
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'rel' => 'self', |
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'type' => 'application/activity+json', |
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'href' => $user->get_url(), |
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), |
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array( |
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'rel' => 'http://webfinger.net/rel/profile-page', |
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'type' => 'text/html', |
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'href' => $user->get_url(), |
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), |
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), |
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); |
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|
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if ( 'Person' !== $user->get_type() ) { |
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$profile['links'][0]['properties'] = array( |
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'https://www.w3.org/ns/activitystreams#type' => $user->get_type(), |
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); |
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} |
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|
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return $profile; |
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} |
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} |
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|
