From 773792c86593f0fcbc88beec58551d6dac50e306 Mon Sep 17 00:00:00 2001
From: Dima Krasner <dima@dimakrasner.com>
Date: Sat, 21 Dec 2024 19:31:13 +0200
Subject: [PATCH] add Public

---
 outbox/undo.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/outbox/undo.go b/outbox/undo.go
index b38370c..a371997 100644
--- a/outbox/undo.go
+++ b/outbox/undo.go
@@ -33,12 +33,15 @@ func Undo(ctx context.Context, domain string, db *sql.DB, activity *ap.Activity)
 		return errors.New("cannot undo activity")
 	}
 
+	to := activity.To
+	to.Add(ap.Public)
+
 	undo := ap.Activity{
 		Context: "https://www.w3.org/ns/activitystreams",
 		ID:      fmt.Sprintf("https://%s/undo/%x", domain, sha256.Sum256([]byte(fmt.Sprintf("%s|%d", activity.ID, time.Now().UnixNano())))),
 		Type:    ap.Undo,
 		Actor:   activity.Actor,
-		To:      activity.To,
+		To:      to,
 		CC:      activity.CC,
 		Object:  activity,
 	}