From 0a956f02347d1ed8ccb3e52a59d8c993018f83db Mon Sep 17 00:00:00 2001
From: or-else <or.else@gmail.com>
Date: Mon, 30 Jul 2018 20:50:48 +0300
Subject: [PATCH] don't crash on malformed attachments

---
 drafty.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drafty.js b/drafty.js
index 6de247e7..78dd0425 100644
--- a/drafty.js
+++ b/drafty.js
@@ -94,7 +94,13 @@ Sample JSON representation of the text above:
 
   // Convert base64-encoded string into Blob.
   function base64toObjectUrl(b64, contentType) {
-    var bin = atob(b64);
+    var bin;
+    try {
+      bin = atob(b64);
+    } catch (err) {
+      console.log("Drafty: failed to decode base64-encoded object", err.message, b64);
+      bin = atob("");
+    }
     var length = bin.length;
     var buf = new ArrayBuffer(length);
     var arr = new Uint8Array(buf);