added basic nodeinfo and webfinger support

This commit is contained in:
Matthias Pfefferle 2018-12-09 21:54:57 +01:00
parent 2d84fcc600
commit a8c1220139
4 changed files with 278 additions and 2 deletions

View file

@ -37,8 +37,14 @@ function activitypub_init() {
add_action( 'rest_api_init', array( 'Rest_Activitypub_Followers', 'register_routes' ) ); add_action( 'rest_api_init', array( 'Rest_Activitypub_Followers', 'register_routes' ) );
require_once dirname( __FILE__ ) . '/includes/class-rest-activitypub-webfinger.php'; require_once dirname( __FILE__ ) . '/includes/class-rest-activitypub-webfinger.php';
add_action( 'rest_api_init', array( 'Rest_Activitypub_Webfinger', 'register_routes' ) );
add_action( 'webfinger_user_data', array( 'Rest_Activitypub_Webfinger', 'add_webfinger_discovery' ), 10, 3 ); add_action( 'webfinger_user_data', array( 'Rest_Activitypub_Webfinger', 'add_webfinger_discovery' ), 10, 3 );
require_once dirname( __FILE__ ) . '/includes/class-rest-activitypub-nodeinfo.php';
add_action( 'rest_api_init', array( 'Rest_Activitypub_Nodeinfo', 'register_routes' ) );
add_filter( 'nodeinfo_data', array( 'Rest_Activitypub_Nodeinfo', 'add_nodeinfo_discovery' ), 10, 2 );
add_filter( 'nodeinfo2_data', array( 'Rest_Activitypub_Nodeinfo', 'add_nodeinfo2_discovery' ), 10 );
// Configure activities // Configure activities
require_once dirname( __FILE__ ) . '/includes/class-activitypub-activities.php'; require_once dirname( __FILE__ ) . '/includes/class-activitypub-activities.php';
add_action( 'activitypub_inbox_follow', array( 'Activitypub_Activities', 'accept' ), 10, 2 ); add_action( 'activitypub_inbox_follow', array( 'Activitypub_Activities', 'accept' ), 10, 2 );
@ -46,3 +52,28 @@ function activitypub_init() {
add_action( 'activitypub_inbox_unfollow', array( 'Activitypub_Activities', 'unfollow' ), 10, 2 ); add_action( 'activitypub_inbox_unfollow', array( 'Activitypub_Activities', 'unfollow' ), 10, 2 );
} }
add_action( 'plugins_loaded', 'activitypub_init' ); add_action( 'plugins_loaded', 'activitypub_init' );
/**
* Add rewrite rules
*/
function activitypub_add_rewrite_rules() {
if ( ! class_exists( 'Webfinger' ) ) {
add_rewrite_rule( '^.well-known/webfinger', 'index.php?rest_route=/activitypub/1.0/webfinger', 'top' );
}
if ( ! class_exists( 'Nodeinfo' ) ) {
add_rewrite_rule( '^.well-known/nodeinfo', 'index.php?rest_route=/activitypub/1.0/nodeinfo/discovery', 'top' );
add_rewrite_rule( '^.well-known/x-nodeinfo2', 'index.php?rest_route=/activitypub/1.0/nodeinfo2', 'top' );
}
}
add_action( 'init', 'activitypub_add_rewrite_rules', 1 );
/**
* Flush rewrite rules;
*/
function activitypub_flush_rewrite_rules() {
activitypub_add_rewrite_rules();
flush_rewrite_rules();
}
register_activation_hook( __FILE__, 'activitypub_flush_rewrite_rules' );
register_deactivation_hook( __FILE__, 'flush_rewrite_rules' );

View file

@ -0,0 +1,162 @@
<?php
class Rest_Activitypub_Nodeinfo {
/**
* Register routes
*/
public static function register_routes() {
register_rest_route(
'activitypub/1.0', '/nodeinfo/discovery', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( 'Rest_Activitypub_Nodeinfo', 'discovery' ),
),
)
);
register_rest_route(
'activitypub/1.0', '/nodeinfo', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( 'Rest_Activitypub_Nodeinfo', 'nodeinfo' ),
),
)
);
register_rest_route(
'activitypub/1.0', '/nodeinfo2', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( 'Rest_Activitypub_Nodeinfo', 'nodeinfo2' ),
),
)
);
}
/**
* Render NodeInfo file
*
* @param WP_REST_Request $request
* @return WP_REST_Response
*/
public static function nodeinfo( $request ) {
$nodeinfo = array();
$nodeinfo['version'] = '2.0';
$nodeinfo['software'] = array(
'name' => 'wordpress',
'version' => get_bloginfo( 'version' ),
);
$users = count_users();
$posts = wp_count_posts();
$comments = wp_count_comments();
$nodeinfo['usage'] = array(
'users' => array(
'total' => (int) $users['total_users'],
),
'localPosts' => (int) $posts->publish,
'localComments' => (int) $comments->approved,
);
$nodeinfo['openRegistrations'] = false;
$nodeinfo['protocols'] = array('activitypub');
$nodeinfo['services'] = array(
'inbound' => array(),
'outbound' => array(),
);
$nodeinfo['metadata'] = new stdClass;
return new WP_REST_Response( $nodeinfo, 200 );
}
/**
* Render NodeInfo file
*
* @param WP_REST_Request $request
* @return WP_REST_Response
*/
public static function nodeinfo2( $request ) {
$nodeinfo = array();
$nodeinfo['version'] = '1.0';
$nodeinfo['software'] = array(
'baseUrl' => home_url( '/' ),
'name' => get_bloginfo( 'name' ),
'software' => 'wordpress',
'version' => get_bloginfo( 'version' ),
);
$users = count_users();
$posts = wp_count_posts();
$comments = wp_count_comments();
$nodeinfo['usage'] = array(
'users' => array(
'total' => (int) $users['total_users'],
),
'localPosts' => (int) $posts->publish,
'localComments' => (int) $comments->approved,
);
$nodeinfo['openRegistrations'] = false;
$nodeinfo['protocols'] = array('activitypub');
$nodeinfo['services'] = array(
'inbound' => array(),
'outbound' => array(),
);
$nodeinfo['metadata'] = new stdClass;
return new WP_REST_Response( $nodeinfo, 200 );
}
/**
* Render NodeInfo discovery file
*
* @param WP_REST_Request $request
* @return WP_REST_Response
*/
public static function discovery( $request ) {
$discovery = array();
$discovery['links'] = array(
array(
'rel' => 'http://nodeinfo.diaspora.software/ns/schema/2.0',
'href' => get_rest_url( null, 'activitypub/1.0/nodeinfo' ),
),
);
return new WP_REST_Response( $discovery, 200 );
}
/**
* Extend NodeInfo data
*
* @param array $nodeinfo NodeInfo data
* @param array updated data
*/
public static function add_nodeinfo_discovery( $nodeinfo, $version ) {
if ( '2.0' == $version) {
$nodeinfo['protocols'][] = 'activitypub';
} else {
$nodeinfo['protocols']['inbound'][] = 'activitypub';
$nodeinfo['protocols']['outbound'][] = 'activitypub';
}
return $nodeinfo;
}
/**
* Extend NodeInfo2 data
*
* @param array $nodeinfo NodeInfo2 data
* @param array updated data
*/
public static function add_nodeinfo2_discovery( $nodeinfo ) {
$nodeinfo['protocols'][] = 'activitypub';
return $nodeinfo;
}
}

View file

@ -1,6 +1,89 @@
<?php <?php
class Rest_Activitypub_Webfinger { class Rest_Activitypub_Webfinger {
/**
* Register routes
*/
public static function register_routes() {
register_rest_route(
'activitypub/1.0', '/webfinger', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( 'Rest_Activitypub_Webfinger', 'webfinger' ),
'args' => self::request_parameters(),
),
)
);
}
/**
* Render JRD file
*
* @param WP_REST_Request $request
* @return WP_REST_Response
*/
public static function webfinger( $request ) {
$resource = $request->get_param( 'resource' );
$matches = array();
$matched = preg_match( '/^acct:([^@]+)@(.+)$/', $resource, $matches );
if ( ! $matched ) {
return new WP_Error( 'activitypub_unsupported_resource', __( 'Resouce is invalid', 'activitypub' ), array( 'status' => 400 ) );
}
$resource_identifier = $matches[1];
$resource_host = $matches[2];
if ( wp_parse_url( home_url( '/' ), PHP_URL_HOST ) !== $resource_host ) {
return new WP_Error( 'activitypub_wrong_host', __( 'Resouce host does not match blog host', 'activitypub' ), array( 'status' => 404 ) );
}
$user = get_user_by( 'login', esc_sql( $resource_identifier ) );
if ( ! $user ) {
return new WP_Error( 'activitypub_user_not_found', __( 'User not found', 'activitypub' ), array( 'status' => 404 ) );
}
$json = array(
'subject' => $resource,
'aliases' => array(
get_author_posts_url( $user->ID ),
),
'links' => array(
array(
'rel' => 'self',
'type' => 'application/activity+json',
'href' => get_author_posts_url( $user->ID ),
),
array(
'rel' => 'http://webfinger.net/rel/profile-page',
'type' => 'text/html',
'href' => get_author_posts_url( $user->ID ),
),
),
);
return new WP_REST_Response( $json, 200 );
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();
$params['resource'] = array(
'required' => true,
'type' => 'string',
'pattern' => '^acct:([^@]+)@(.+)$',
);
return $params;
}
/** /**
* Add WebFinger discovery links * Add WebFinger discovery links
* *

View file

@ -48,7 +48,7 @@ if ( ! function_exists( 'base64_url_encode' ) ) {
* @return string the encoded text * @return string the encoded text
*/ */
function base64_url_encode( $input ) { function base64_url_encode( $input ) {
return strtr( base64_encode( $input ), '+/', '-_' ); return strtr( base64_encode( $input ), '+/', '-_' ); // phpcs:ignore
} }
} }
if ( ! function_exists( 'base64_url_decode' ) ) { if ( ! function_exists( 'base64_url_decode' ) ) {
@ -60,7 +60,7 @@ if ( ! function_exists( 'base64_url_decode' ) ) {
* @return string the decoded text * @return string the decoded text
*/ */
function base64_url_decode( $input ) { function base64_url_decode( $input ) {
return base64_decode( strtr( $input, '-_', '+/' ) ); return base64_decode( strtr( $input, '-_', '+/' ) ); // phpcs:ignore
} }
} }