fix Inbox issue

fix `PHP Warning: Undefined variable $user_id in wp-content/plugins/activitypub/includes/rest/class-inbox.php on line 111`

https://github.com/pfefferle/wordpress-activitypub/issues/88#issuecomment-886254210

Author: pfefferle

README.md

@@ -4,7 +4,7 @@
 **Tags:** OStatus, fediverse, activitypub, activitystream  
 **Requires at least:** 4.7  
 **Tested up to:** 5.8  
-**Stable tag:** 0.13.0  
+**Stable tag:** 0.13.1  
 **Requires PHP:** 5.6  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT  
@@ -88,6 +88,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [pfefferle/wordpress-activitypub](https://github.com/pfefferle/wordpress-activitypub).
 
+### 0.13.1 ###
+
+* fix Inbox issue
+
 ### 0.13.0 ###
 
 * add Autor URL and WebFinger health checks

activitypub.php

@@ -3,7 +3,7 @@
  * Plugin Name: ActivityPub
  * Plugin URI: https://github.com/pfefferle/wordpress-activitypub/
  * Description: The ActivityPub protocol is a decentralized social networking protocol based upon the ActivityStreams 2.0 data format.
- * Version: 0.13.0
+ * Version: 0.13.1
  * Author: Matthias Pfefferle
  * Author URI: https://notiz.blog/
  * License: MIT

includes/rest/class-inbox.php

@@ -34,11 +34,6 @@ public static function register_routes() {
 					'args'                => self::shared_inbox_request_parameters(),
 					'permission_callback' => '__return_true',
 				),
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( '\Activitypub\Rest\Inbox', 'inbox_get' ),
-					'permission_callback' => '__return_true',
-				),
 			)
 		);
 
@@ -52,7 +47,7 @@ public static function register_routes() {
 				),
 				array(
 					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( '\Activitypub\Rest\Inbox', 'inbox_get' ),
+					'callback'            => array( '\Activitypub\Rest\Inbox', 'user_inbox_get' ),
 					'permission_callback' => '__return_true',
 				),
 			)
@@ -94,7 +89,8 @@ public static function serve_request( $served, $result, $request, $server ) {
 	 * @param  WP_REST_Request   $request
 	 * @return WP_REST_Response
 	 */
-	public static function inbox_get( $request ) {
+	public static function user_inbox_get( $request ) {
+		$user_id = $request->get_param( 'user_id' );
 		$page = $request->get_param( 'page', 0 );
 
 		/*

readme.txt

@@ -4,7 +4,7 @@ Donate link: https://notiz.blog/donate/
 Tags: OStatus, fediverse, activitypub, activitystream
 Requires at least: 4.7
 Tested up to: 5.8
-Stable tag: 0.13.0
+Stable tag: 0.13.1
 Requires PHP: 5.6
 License: MIT
 License URI: http://opensource.org/licenses/MIT
@@ -88,6 +88,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [pfefferle/wordpress-activitypub](https://github.com/pfefferle/wordpress-activitypub).
 
+= 0.13.1 =
+
+* fix Inbox issue
+
 = 0.13.0 =
 
 * add Autor URL and WebFinger health checks