From b880516edf8b0abc1afa4d6c2fdb6cafac3eeb4d Mon Sep 17 00:00:00 2001
From: timvisee <tim@visee.me>
Date: Mon, 12 Apr 2021 16:04:32 +0200
Subject: [PATCH] Change archive bit flags to specify use of UTF-8 filenames

Related to https://gitlab.com/timvisee/send/-/issues/10#note_549739569

Suggested in https://github.com/mozilla/send/issues/1432#issue-545383226
---
 app/zip.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/zip.js b/app/zip.js
index 1363da82..b80c2c32 100644
--- a/app/zip.js
+++ b/app/zip.js
@@ -29,7 +29,7 @@ class File {
     const v = new DataView(h);
     v.setUint32(0, 0x04034b50, true); // sig
     v.setUint16(4, 20, true); // version
-    v.setUint16(6, 8, true); // bit flags (8 = use data descriptor)
+    v.setUint16(6, 2056, true); // bit flags (2056 = use data descriptor(8) + utf8-encoded(2048))
     v.setUint16(8, 0, true); // compression
     v.setUint16(10, this.dateTime.time, true); // modified time
     v.setUint16(12, this.dateTime.date, true); // modified date