From 110b58230b01f9b99f3616f752f6525993caa98c Mon Sep 17 00:00:00 2001
From: Daniel Gasienica <daniel@signal.org>
Date: Mon, 30 Apr 2018 11:01:57 -0400
Subject: [PATCH] Only revoke object URLs we created

---
 ts/types/Attachment.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ts/types/Attachment.ts b/ts/types/Attachment.ts
index 55351a5eb..3578f1b4e 100644
--- a/ts/types/Attachment.ts
+++ b/ts/types/Attachment.ts
@@ -55,6 +55,7 @@ export const save = ({
   getAbsolutePath: (relativePath: string) => string;
   timestamp?: number;
 }): void => {
+  const isObjectURLRequired = is.undefined(attachment.path);
   const url = !is.undefined(attachment.path)
     ? getAbsolutePath(attachment.path)
     : arrayBufferToObjectURL({
@@ -63,7 +64,9 @@ export const save = ({
       });
   const filename = getSuggestedFilename({ attachment, timestamp });
   saveURLAsFile({ url, filename, document });
-  URL.revokeObjectURL(url);
+  if (isObjectURLRequired) {
+    URL.revokeObjectURL(url);
+  }
 };
 
 export const getSuggestedFilename = ({