Initial commit

wp-content/plugins/activitypub/includes/rest/class-nodeinfo.php

@@ -0,0 +1,191 @@
+<?php
+namespace Activitypub\Rest;
+
+/**
+ * ActivityPub NodeInfo REST-Class
+ *
+ * @author Matthias Pfefferle
+ *
+ * @see http://nodeinfo.diaspora.software/
+ */
+class Nodeinfo {
+	/**
+	 * Initialize the class, registering WordPress hooks
+	 */
+	public static function init() {
+		\add_action( 'rest_api_init', array( '\Activitypub\Rest\Nodeinfo', 'register_routes' ) );
+		\add_filter( 'nodeinfo_data', array( '\Activitypub\Rest\Nodeinfo', 'add_nodeinfo_discovery' ), 10, 2 );
+		\add_filter( 'nodeinfo2_data', array( '\Activitypub\Rest\Nodeinfo', 'add_nodeinfo2_discovery' ), 10 );
+	}
+
+	/**
+	 * Register routes
+	 */
+	public static function register_routes() {
+		\register_rest_route(
+			'activitypub/1.0', '/nodeinfo/discovery', array(
+				array(
+					'methods'  => \WP_REST_Server::READABLE,
+					'callback' => array( '\Activitypub\Rest\Nodeinfo', 'discovery' ),
+				),
+			)
+		);
+
+		\register_rest_route(
+			'activitypub/1.0', '/nodeinfo', array(
+				array(
+					'methods'  => \WP_REST_Server::READABLE,
+					'callback' => array( '\Activitypub\Rest\Nodeinfo', 'nodeinfo' ),
+				),
+			)
+		);
+
+		\register_rest_route(
+			'activitypub/1.0', '/nodeinfo2', array(
+				array(
+					'methods'  => \WP_REST_Server::READABLE,
+					'callback' => array( '\Activitypub\Rest\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'] = array(
+			'email' => \get_option( 'admin_email' ),
+		);
+
+		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['server'] = 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'] = array(
+			'email' => \get_option( 'admin_email' ),
+		);
+
+		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 string           The NodeInfo Version
+	 *
+	 * @return array           The extended array
+	 */
+	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
+	 *
+	 * @return array           The extended array
+	 */
+	public static function add_nodeinfo2_discovery( $nodeinfo ) {
+		$nodeinfo['protocols'][] = 'activitypub';
+
+		return $nodeinfo;
+	}
+}