feat: Use info level logs for residency check failures

src/api/server/event_auth.rs

@@ -1,7 +1,7 @@
 use std::{borrow::Borrow, iter::once};
 
 use axum::extract::State;
-use conduwuit::{Error, Result, utils::stream::ReadyExt};
+use conduwuit::{Err, Error, Result, info, utils::stream::ReadyExt};
 use futures::StreamExt;
 use ruma::{
 	RoomId,
@@ -29,6 +29,19 @@ pub(crate) async fn get_event_authorization_route(
 	.check()
 	.await?;
 
+	if !services
+		.rooms
+		.state_cache
+		.server_in_room(services.globals.server_name(), &body.room_id)
+		.await
+	{
+		info!(
+			origin = body.origin().as_str(),
+			"Refusing to serve state for room we aren't participating in"
+		);
+		return Err!(Request(NotFound("This server is not participating in that room.")));
+	}
+
 	let event = services
 		.rooms
 		.timeline