From ae04ffe71a03274604ada6f21dbb80c4180932cf Mon Sep 17 00:00:00 2001
From: Django Doucet <mediaformat.ux@gmail.com>
Date: Mon, 13 Nov 2023 09:40:32 -0700
Subject: [PATCH] Rename Server class to Application

---
 includes/class-application.php | 82 ++++++++++++++++++++++++++++++++++
 includes/class-server.php      | 34 --------------
 2 files changed, 82 insertions(+), 34 deletions(-)
 create mode 100644 includes/class-application.php
 delete mode 100644 includes/class-server.php

diff --git a/includes/class-application.php b/includes/class-application.php
new file mode 100644
index 0000000..1a5b3a2
--- /dev/null
+++ b/includes/class-application.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Activitypub;
+
+use WP_Comment_Query;
+use Activitypub\Collection\Followers;
+use Activitypub\Collection\Users;
+use Activitypub\Scheduler;
+
+use function Activitypub\is_user_disabled;
+
+/**
+ * ActivityPub Application Class
+ *
+ * @author Django Doucet
+ */
+class Application {
+
+	public static function known_inboxes() {
+		$authors = get_users(
+			array(
+				'capability' => 'publish_posts',
+			)
+		);
+		$follower_inboxes_all = [];
+		foreach ( $authors as $user ) {
+			$follower_inboxes = Followers::get_inboxes( $user->ID );
+			$follower_inboxes_all = array_merge( $follower_inboxes, $follower_inboxes_all );
+		}
+		if ( ! is_user_disabled( Users::BLOG_USER_ID ) ) {
+			$follower_inboxes = Followers::get_inboxes( Users::BLOG_USER_ID );
+			$follower_inboxes_all = array_merge( $follower_inboxes, $follower_inboxes_all );
+		}
+		return array_unique( array_filter( $follower_inboxes_all ) );
+	}
+
+	public static function known_users() {
+		// at this point we just need known_commenters
+		// this could get expensive though, eventually it would make sense
+		// to schedule an add comment_author_url on Follow to a known_users site option
+		$args = array(
+			'user_id' => 0,
+			'meta_query' => array(
+				array(
+					'key'   => 'protocol',
+					'value' => 'activitypub',
+					'compare' => '='
+				),
+			)
+		);
+		$comment_query = new WP_Comment_Query( $args );
+		$known_users_all = [];
+		foreach ( $comment_query->comments as $user ) {
+			$known_users_all[] = $user->comment_author_url;
+		}
+		return array_unique( array_filter( $known_users_all ) );
+	}
+
+	public static function is_actor_delete_request( $request ) {
+		$json = $request->get_params( 'JSON' );
+		if ( 'delete' === $json['type'] && $json['actor'] === $json['object'] ) {
+			return true;
+		}
+		return false;
+	}
+
+	public static function is_known_actor( $request ) {
+		$json = $request->get_params( 'JSON' );
+		if ( in_array( $json['actor'], self::known_users() ) ) {
+			return $json['actor'];
+		}
+		return false;
+	}
+
+	public static function delete_remote_actor_comments( $actor ) {
+		\wp_schedule_single_event(
+			\time(),
+			'activitypub_delete_remote_actor_comments',
+			array( $actor )
+		);
+	}
+}
diff --git a/includes/class-server.php b/includes/class-server.php
deleted file mode 100644
index c82dd42..0000000
--- a/includes/class-server.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-namespace Activitypub;
-
-use Activitypub\Collection\Followers;
-use Activitypub\Collection\Users;
-
-use function Activitypub\is_user_disabled;
-
-/**
- * ActivityPub Server Class
- *
- * @author Django Doucet
- */
-class Server {
-
-	public static function known_inboxes() {
-		$authors = get_users(
-			array(
-				'capability' => 'publish_posts',
-			)
-		);
-		$follower_inboxes_all = [];
-		foreach ( $authors as $user ) {
-			$follower_inboxes = Followers::get_inboxes( $user->ID );
-			$follower_inboxes_all = array_merge( $follower_inboxes, $follower_inboxes_all );
-		}
-		if ( ! is_user_disabled( Users::BLOG_USER_ID ) ) {
-			$follower_inboxes = Followers::get_inboxes( Users::BLOG_USER_ID );
-			$follower_inboxes_all = array_merge( $follower_inboxes, $follower_inboxes_all );
-		}
-		return array_unique( array_filter( $follower_inboxes_all ) );
-	}
-}