From d6ade0e1ac96ff72fced74e0b9e5c837569d5a94 Mon Sep 17 00:00:00 2001
From: Chris Eager <chris@signal.org>
Date: Mon, 20 Nov 2023 13:31:08 -0600
Subject: [PATCH] Send HTTP 408 on idle timeout

---
 .../textsecuregcm/mappers/IOExceptionMapper.java               | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/mappers/IOExceptionMapper.java b/service/src/main/java/org/whispersystems/textsecuregcm/mappers/IOExceptionMapper.java
index c57d16755..54b6a5f3b 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/mappers/IOExceptionMapper.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/mappers/IOExceptionMapper.java
@@ -21,7 +21,10 @@ public class IOExceptionMapper implements ExceptionMapper<IOException> {
   public Response toResponse(IOException e) {
     if (!(e.getCause() instanceof java.util.concurrent.TimeoutException)) {
       logger.warn("IOExceptionMapper", e);
+    } else if (e.getCause().getMessage().startsWith("Idle timeout expired")) {
+      return Response.status(Response.Status.REQUEST_TIMEOUT).build();
     }
+
     return Response.status(503).build();
   }
 }