From 68cd621053350651464c907901e246f49aa9c4dc Mon Sep 17 00:00:00 2001
From: erik <erik.seiert@meissa-gmbh.de>
Date: Wed, 6 Dec 2023 16:14:39 +0100
Subject: [PATCH] Test for empty string

---
 models/activitypub/actor.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/models/activitypub/actor.go b/models/activitypub/actor.go
index db72e767f8..b11006b5ce 100644
--- a/models/activitypub/actor.go
+++ b/models/activitypub/actor.go
@@ -127,6 +127,10 @@ func removeEmptyStrings(ls []string) []string {
 }
 
 func ParseActorID(unvalidatedIRI, source string) (ActorID, error) {
+	if unvalidatedIRI == "" {
+		return ActorID{}, fmt.Errorf("the given IRI was empty")
+	}
+
 	u, err := url.Parse(unvalidatedIRI)
 
 	// check if userID IRI is well formed url