From 4bb8da51dd0e2b33c0135d5c48231d17029cfdb5 Mon Sep 17 00:00:00 2001
From: nexy7574 <git@nexy7574.co.uk>
Date: Thu, 10 Apr 2025 10:28:30 +0100
Subject: [PATCH] Ignore redactions in BasicFlooding (fixes #804) (#805)

Fixes #804 by not considering m.room.redaction when processing basic flood protection.
---
 src/protections/BasicFlooding.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/protections/BasicFlooding.ts b/src/protections/BasicFlooding.ts
index 5d9001e8..f4dafed5 100644
--- a/src/protections/BasicFlooding.ts
+++ b/src/protections/BasicFlooding.ts
@@ -173,6 +173,12 @@ export class BasicFloodingProtection
       log.debug(`Ignoring message from self: ${event.event_id}`);
       return Ok(undefined);
     }
+    // If the event is a redaction, ignore it.
+    // See also: https://github.com/the-draupnir-project/Draupnir/issues/804
+    if (event["type"] === "m.room.redaction") {
+      log.debug(`Ignoring redaction: ${event.event_id}`);
+      return Ok(undefined);
+    }
     const forUser = lastEventsForUser(
       this.lastEvents,
       event.room_id,