added basic nodeinfo and webfinger support
This commit is contained in:
parent
2d84fcc600
commit
a8c1220139
4 changed files with 278 additions and 2 deletions
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@ -37,8 +37,14 @@ function activitypub_init() {
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add_action( 'rest_api_init', array( 'Rest_Activitypub_Followers', 'register_routes' ) );
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require_once dirname( __FILE__ ) . '/includes/class-rest-activitypub-webfinger.php';
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add_action( 'rest_api_init', array( 'Rest_Activitypub_Webfinger', 'register_routes' ) );
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add_action( 'webfinger_user_data', array( 'Rest_Activitypub_Webfinger', 'add_webfinger_discovery' ), 10, 3 );
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require_once dirname( __FILE__ ) . '/includes/class-rest-activitypub-nodeinfo.php';
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add_action( 'rest_api_init', array( 'Rest_Activitypub_Nodeinfo', 'register_routes' ) );
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add_filter( 'nodeinfo_data', array( 'Rest_Activitypub_Nodeinfo', 'add_nodeinfo_discovery' ), 10, 2 );
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add_filter( 'nodeinfo2_data', array( 'Rest_Activitypub_Nodeinfo', 'add_nodeinfo2_discovery' ), 10 );
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// Configure activities
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require_once dirname( __FILE__ ) . '/includes/class-activitypub-activities.php';
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add_action( 'activitypub_inbox_follow', array( 'Activitypub_Activities', 'accept' ), 10, 2 );
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@ -46,3 +52,28 @@ function activitypub_init() {
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add_action( 'activitypub_inbox_unfollow', array( 'Activitypub_Activities', 'unfollow' ), 10, 2 );
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}
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add_action( 'plugins_loaded', 'activitypub_init' );
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/**
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* Add rewrite rules
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*/
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function activitypub_add_rewrite_rules() {
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if ( ! class_exists( 'Webfinger' ) ) {
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add_rewrite_rule( '^.well-known/webfinger', 'index.php?rest_route=/activitypub/1.0/webfinger', 'top' );
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}
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if ( ! class_exists( 'Nodeinfo' ) ) {
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add_rewrite_rule( '^.well-known/nodeinfo', 'index.php?rest_route=/activitypub/1.0/nodeinfo/discovery', 'top' );
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add_rewrite_rule( '^.well-known/x-nodeinfo2', 'index.php?rest_route=/activitypub/1.0/nodeinfo2', 'top' );
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}
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}
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add_action( 'init', 'activitypub_add_rewrite_rules', 1 );
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/**
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* Flush rewrite rules;
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*/
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function activitypub_flush_rewrite_rules() {
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activitypub_add_rewrite_rules();
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flush_rewrite_rules();
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}
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register_activation_hook( __FILE__, 'activitypub_flush_rewrite_rules' );
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register_deactivation_hook( __FILE__, 'flush_rewrite_rules' );
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162
includes/class-rest-activitypub-nodeinfo.php
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162
includes/class-rest-activitypub-nodeinfo.php
Normal file
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@ -0,0 +1,162 @@
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<?php
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class Rest_Activitypub_Nodeinfo {
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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/1.0', '/nodeinfo/discovery', array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( 'Rest_Activitypub_Nodeinfo', 'discovery' ),
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),
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)
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);
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register_rest_route(
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'activitypub/1.0', '/nodeinfo', array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( 'Rest_Activitypub_Nodeinfo', 'nodeinfo' ),
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),
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)
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);
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register_rest_route(
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'activitypub/1.0', '/nodeinfo2', array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( 'Rest_Activitypub_Nodeinfo', 'nodeinfo2' ),
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),
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)
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);
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}
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/**
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* Render NodeInfo file
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*
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* @param WP_REST_Request $request
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* @return WP_REST_Response
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*/
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public static function nodeinfo( $request ) {
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$nodeinfo = array();
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$nodeinfo['version'] = '2.0';
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$nodeinfo['software'] = array(
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'name' => 'wordpress',
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'version' => get_bloginfo( 'version' ),
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);
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$users = count_users();
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$posts = wp_count_posts();
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$comments = wp_count_comments();
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$nodeinfo['usage'] = array(
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'users' => array(
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'total' => (int) $users['total_users'],
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),
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'localPosts' => (int) $posts->publish,
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'localComments' => (int) $comments->approved,
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);
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$nodeinfo['openRegistrations'] = false;
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$nodeinfo['protocols'] = array('activitypub');
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$nodeinfo['services'] = array(
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'inbound' => array(),
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'outbound' => array(),
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);
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$nodeinfo['metadata'] = new stdClass;
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return new WP_REST_Response( $nodeinfo, 200 );
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}
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/**
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* Render NodeInfo file
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*
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* @param WP_REST_Request $request
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* @return WP_REST_Response
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*/
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public static function nodeinfo2( $request ) {
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$nodeinfo = array();
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$nodeinfo['version'] = '1.0';
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$nodeinfo['software'] = array(
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'baseUrl' => home_url( '/' ),
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'name' => get_bloginfo( 'name' ),
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'software' => 'wordpress',
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'version' => get_bloginfo( 'version' ),
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);
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$users = count_users();
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$posts = wp_count_posts();
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$comments = wp_count_comments();
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$nodeinfo['usage'] = array(
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'users' => array(
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'total' => (int) $users['total_users'],
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),
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'localPosts' => (int) $posts->publish,
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'localComments' => (int) $comments->approved,
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);
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$nodeinfo['openRegistrations'] = false;
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$nodeinfo['protocols'] = array('activitypub');
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$nodeinfo['services'] = array(
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'inbound' => array(),
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'outbound' => array(),
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);
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$nodeinfo['metadata'] = new stdClass;
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return new WP_REST_Response( $nodeinfo, 200 );
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}
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/**
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* Render NodeInfo discovery file
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*
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* @param WP_REST_Request $request
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* @return WP_REST_Response
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*/
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public static function discovery( $request ) {
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$discovery = array();
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$discovery['links'] = array(
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array(
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'rel' => 'http://nodeinfo.diaspora.software/ns/schema/2.0',
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'href' => get_rest_url( null, 'activitypub/1.0/nodeinfo' ),
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),
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);
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return new WP_REST_Response( $discovery, 200 );
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}
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/**
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* Extend NodeInfo data
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*
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* @param array $nodeinfo NodeInfo data
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* @param array updated data
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*/
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public static function add_nodeinfo_discovery( $nodeinfo, $version ) {
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if ( '2.0' == $version) {
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$nodeinfo['protocols'][] = 'activitypub';
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} else {
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$nodeinfo['protocols']['inbound'][] = 'activitypub';
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$nodeinfo['protocols']['outbound'][] = 'activitypub';
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}
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return $nodeinfo;
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}
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/**
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* Extend NodeInfo2 data
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*
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* @param array $nodeinfo NodeInfo2 data
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* @param array updated data
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*/
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public static function add_nodeinfo2_discovery( $nodeinfo ) {
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$nodeinfo['protocols'][] = 'activitypub';
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return $nodeinfo;
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}
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}
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@ -1,6 +1,89 @@
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<?php
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class Rest_Activitypub_Webfinger {
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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/1.0', '/webfinger', array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( 'Rest_Activitypub_Webfinger', 'webfinger' ),
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'args' => self::request_parameters(),
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),
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)
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);
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}
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/**
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* Render JRD file
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*
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* @param WP_REST_Request $request
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* @return WP_REST_Response
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*/
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public static function webfinger( $request ) {
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$resource = $request->get_param( 'resource' );
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$matches = array();
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$matched = preg_match( '/^acct:([^@]+)@(.+)$/', $resource, $matches );
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if ( ! $matched ) {
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return new WP_Error( 'activitypub_unsupported_resource', __( 'Resouce is invalid', 'activitypub' ), array( 'status' => 400 ) );
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}
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$resource_identifier = $matches[1];
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$resource_host = $matches[2];
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if ( wp_parse_url( home_url( '/' ), PHP_URL_HOST ) !== $resource_host ) {
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return new WP_Error( 'activitypub_wrong_host', __( 'Resouce host does not match blog host', 'activitypub' ), array( 'status' => 404 ) );
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}
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$user = get_user_by( 'login', esc_sql( $resource_identifier ) );
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if ( ! $user ) {
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return new WP_Error( 'activitypub_user_not_found', __( 'User not found', 'activitypub' ), array( 'status' => 404 ) );
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}
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$json = array(
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'subject' => $resource,
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'aliases' => array(
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get_author_posts_url( $user->ID ),
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),
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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' => get_author_posts_url( $user->ID ),
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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' => get_author_posts_url( $user->ID ),
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),
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),
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);
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return new WP_REST_Response( $json, 200 );
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}
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/**
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* The supported parameters
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*
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* @return array list of parameters
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*/
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public static function request_parameters() {
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$params = array();
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$params['resource'] = array(
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'required' => true,
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'type' => 'string',
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'pattern' => '^acct:([^@]+)@(.+)$',
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);
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return $params;
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}
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/**
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* Add WebFinger discovery links
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*
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@ -48,7 +48,7 @@ if ( ! function_exists( 'base64_url_encode' ) ) {
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* @return string the encoded text
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*/
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function base64_url_encode( $input ) {
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return strtr( base64_encode( $input ), '+/', '-_' );
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return strtr( base64_encode( $input ), '+/', '-_' ); // phpcs:ignore
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}
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}
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if ( ! function_exists( 'base64_url_decode' ) ) {
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@ -60,7 +60,7 @@ if ( ! function_exists( 'base64_url_decode' ) ) {
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* @return string the decoded text
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*/
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function base64_url_decode( $input ) {
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return base64_decode( strtr( $input, '-_', '+/' ) );
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return base64_decode( strtr( $input, '-_', '+/' ) ); // phpcs:ignore
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}
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}
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