From 4030cd29002a9bd0d887eda33461ce317c697210 Mon Sep 17 00:00:00 2001
From: Cnly <minecnly@gmail.com>
Date: Thu, 30 May 2019 21:58:29 +0800
Subject: [PATCH] Make federation state request 404 when event not in the room
 - fixes #625

Signed-off-by: Alex Chen <minecnly@gmail.com>
---
 federationapi/routing/state.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/federationapi/routing/state.go b/federationapi/routing/state.go
index 58398bde9..86cf1cf54 100644
--- a/federationapi/routing/state.go
+++ b/federationapi/routing/state.go
@@ -103,6 +103,10 @@ func getState(
 		return nil, resErr
 	}
 
+	if event.RoomID() != roomID {
+		return nil, &util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
+	}
+
 	prevEventIDs := getIDsFromEventRef(event.PrevEvents())
 	authEventIDs := getIDsFromEventRef(event.AuthEvents())