updated plugin ActivityPub version 8.3.0

wp-content/plugins/activitypub/includes/class-relay.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * ActivityPub Relay Class
+ *
+ * Handles forwarding of activities when relay mode is enabled.
+ *
+ * @package Activitypub
+ */
+
+namespace Activitypub;
+
+use Activitypub\Activity\Activity;
+use Activitypub\Collection\Actors;
+use Activitypub\Collection\Outbox;
+
+/**
+ * ActivityPub Relay Class
+ *
+ * Provides relay functionality to forward public activities to all followers.
+ */
+class Relay {
+	/**
+	 * Initialize the class, registering WordPress hooks.
+	 */
+	public static function init() {
+		\add_action( 'activitypub_handled_create', array( self::class, 'handle_activity' ), 10, 3 );
+		\add_action( 'activitypub_handled_update', array( self::class, 'handle_activity' ), 10, 3 );
+		\add_action( 'activitypub_handled_delete', array( self::class, 'handle_activity' ), 10, 3 );
+		\add_action( 'activitypub_handled_announce', array( self::class, 'handle_activity' ), 10, 3 );
+		\add_action( 'load-settings_page_activitypub', array( self::class, 'unhook_settings_fields' ), 11 );
+	}
+
+	/**
+	 * Handle incoming activity and relay if needed.
+	 *
+	 * @param array $activity The activity data.
+	 * @param array $user_ids The user IDs that are recipients.
+	 * @param bool  $success  Whether the activity was handled successfully.
+	 */
+	public static function handle_activity( $activity, $user_ids, $success ) {
+		// Only relay if: successfully handled, Blog actor is recipient, activity is public, and in single-user mode.
+		if (
+			! $success ||
+			! in_array( Actors::BLOG_USER_ID, (array) $user_ids, true ) ||
+			! is_activity_public( $activity ) ||
+			! is_single_user()
+		) {
+			return;
+		}
+
+		// Create Announce wrapper.
+		$announce = new Activity();
+		$announce->set_type( 'Announce' );
+		$announce->set_actor( Actors::BLOG_USER_ID );
+		$announce->set_object( $activity );
+		$announce->set_published( gmdate( ACTIVITYPUB_DATE_TIME_RFC3339 ) );
+
+		// Add to outbox for distribution. The outbox will generate the ID.
+		Outbox::add( $announce, Actors::BLOG_USER_ID );
+	}
+
+	/**
+	 * Unhook settings fields when relay mode is enabled.
+	 *
+	 * Removes all settings sections except moderation when relay mode is active.
+	 */
+	public static function unhook_settings_fields() {
+		global $wp_settings_sections;
+
+		if ( ! isset( $wp_settings_sections['activitypub_settings'] ) ) {
+			return;
+		}
+
+		// Keep only the moderation section.
+		foreach ( $wp_settings_sections['activitypub_settings'] as $section_id => $section ) {
+			if ( 'activitypub_moderation' !== $section_id ) {
+				unset( $wp_settings_sections['activitypub_settings'][ $section_id ] );
+			}
+		}
+	}
+}