From 75d54132ae2619e63db6f762a2452c4d6388260d Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Fri, 21 Nov 2025 16:07:16 +0200
Subject: [PATCH] bridgev2/portal: fix getting state events in roomIsPublic

---
 bridgev2/portal.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bridgev2/portal.go b/bridgev2/portal.go
index 27faef73..032207e8 100644
--- a/bridgev2/portal.go
+++ b/bridgev2/portal.go
@@ -4295,7 +4295,11 @@ func looksDirectlyJoinable(rule *event.JoinRulesEventContent) bool {
 }
 
 func (portal *Portal) roomIsPublic(ctx context.Context) bool {
-	evt, err := portal.Bridge.Matrix.(MatrixConnectorWithArbitraryRoomState).GetStateEvent(ctx, portal.MXID, event.StateJoinRules, "")
+	mx, ok := portal.Bridge.Matrix.(MatrixConnectorWithArbitraryRoomState)
+	if !ok {
+		return false
+	}
+	evt, err := mx.GetStateEvent(ctx, portal.MXID, event.StateJoinRules, "")
 	if err != nil {
 		zerolog.Ctx(ctx).Warn().Err(err).Msg("Failed to get join rules to check if room is public")
 		return false