From 41f05ef54c0209f44e6f699367ebd5736244a44e Mon Sep 17 00:00:00 2001
From: Django Doucet <mediaformat.ux@gmail.com>
Date: Fri, 10 Nov 2023 17:52:48 -0700
Subject: [PATCH] get temporary key for deleted user

---
 includes/class-signature.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/includes/class-signature.php b/includes/class-signature.php
index d021cf0..7632139 100644
--- a/includes/class-signature.php
+++ b/includes/class-signature.php
@@ -186,7 +186,11 @@ class Signature {
 	 */
 	public static function generate_signature( $user_id, $http_method, $url, $date, $digest = null ) {
 		$user = Users::get_by_id( $user_id );
-		$key  = self::get_private_key_for( $user->get__id() );
+		if ( ! is_wp_error( $user ) ) {
+			$key = self::get_private_key_for( $user->get__id() );
+		} else {
+			$key = get_option( 'activitypub_temp_sig_' . $user_id, true );
+		}
 
 		$url_parts = \wp_parse_url( $url );