From f0975c2fd076be871966dc266994121d1e3ca354 Mon Sep 17 00:00:00 2001
From: automated-signal <37887102+automated-signal@users.noreply.github.com>
Date: Fri, 1 Mar 2024 17:36:45 -0600
Subject: [PATCH] Allow for zero-size attachments in maximum size calculation

Co-authored-by: Scott Nonnenberg <scott@signal.org>
---
 ts/messageModifiers/AttachmentDownloads.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ts/messageModifiers/AttachmentDownloads.ts b/ts/messageModifiers/AttachmentDownloads.ts
index 1b322b2173..f08e7af40e 100644
--- a/ts/messageModifiers/AttachmentDownloads.ts
+++ b/ts/messageModifiers/AttachmentDownloads.ts
@@ -289,7 +289,7 @@ async function _runJob(job?: AttachmentDownloadJobType): Promise<void> {
       const { size } = attachment;
       const sizeInKib = size / KIBIBYTE;
 
-      if (!size || sizeInKib > maxInKib) {
+      if (!Number.isFinite(size) || size < 0 || sizeInKib > maxInKib) {
         throw new AttachmentSizeError(
           `Attachment Job ${id}: Attachment was ${sizeInKib}kib, max is ${maxInKib}kib`
         );