From 3aa12392f21c558e35a6ab75844ef822495b2d1d Mon Sep 17 00:00:00 2001
From: Stephen Paul Weber <singpolyma@singpolyma.net>
Date: Thu, 10 Aug 2023 21:44:40 -0500
Subject: [PATCH] Base64OutputStream must be flush+close or you can lose bytes

---
 .../java/eu/siacs/conversations/generator/IqGenerator.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
index 9cf7e9161b7c3d495a340322a1a3745c0e3f6db9..38002849ce3435debb70c08ff4dcb55dddaeac40 100644
--- a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
@@ -630,7 +630,10 @@ public class IqGenerator extends AbstractGenerator {
                 data.setAttribute("cid", bobCid);
                 data.setAttribute("type", f.getMimeType());
                 ByteArrayOutputStream b64 = new ByteArrayOutputStream((int) f.getSize() * 2);
-                ByteStreams.copy(new FileInputStream(f), new Base64OutputStream(b64, Base64.NO_WRAP));
+                Base64OutputStream b64wrap = new Base64OutputStream(b64, Base64.NO_WRAP);
+                ByteStreams.copy(new FileInputStream(f), b64wrap);
+                b64wrap.flush();
+                b64wrap.close();
                 data.setContent(b64.toString("utf-8"));
                 return response;
             }