127 lines
2.6 KiB
PHP
127 lines
2.6 KiB
PHP
<?php
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namespace Activitypub\Rest;
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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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* 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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* 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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* 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( $request ) {
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/*
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* Action triggerd prior to the ActivityPub profile being created and sent to the client
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*/
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\do_action( 'activitypub_rest_webfinger_pre' );
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$resource = $request->get_param( 'resource' );
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$response = self::get_profile( $resource );
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return new WP_REST_Response( $response, 200 );
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}
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/**
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* The supported parameters
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*
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* @return array list of parameters
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*/
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public static function request_parameters() {
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$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 $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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if ( is_wp_error( $user ) ) {
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return $user;
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}
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$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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$aliases = array_unique( $aliases );
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$profile = array(
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'subject' => sprintf( 'acct:%s', $user->get_resource() ),
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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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if ( 'Group' === $user->get_type() ) {
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$profile['links'][0]['properties'] = array(
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'https://www.w3.org/ns/activitystreams#type' => 'Group',
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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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