fix: don't accept incoming pdus if we know about them already

This commit is contained in:
Timo Kösters 2021-03-04 13:36:06 +01:00
parent bd6507eafb
commit 1ce00f90fe
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@ -554,6 +554,12 @@ pub async fn send_transaction_message_route<'a>(
// TODO: redact event if hashing fails
let (event_id, value) = crate::pdu::process_incoming_pdu(pdu);
// Skip the pdu if we already know about it
if db.rooms.get_pdu_id(&event_id)?.is_some() {
resolved_map.insert(event_id, Err("We already know about this event".into()));
continue;
}
let pdu = serde_json::from_value::<PduEvent>(
serde_json::to_value(&value).expect("CanonicalJsonObj is a valid JsonValue"),
)