From 3d3a717f3ef519223460cb86639583e06bc4330e Mon Sep 17 00:00:00 2001
From: dumbmoron <log@riseup.net>
Date: Sat, 27 Apr 2024 11:10:26 +0000
Subject: [PATCH] stream/internal: also copy content-length where applicable

---
 src/modules/stream/internal.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/modules/stream/internal.js b/src/modules/stream/internal.js
index 449be22e..db39fb05 100644
--- a/src/modules/stream/internal.js
+++ b/src/modules/stream/internal.js
@@ -58,7 +58,11 @@ async function handleYoutubeStream(streamInfo, res) {
 
         const stream = chunkedStream(streamInfo, size);
 
-        res.setHeader('content-type', req.headers.get('content-type'));
+        for (const headerName of ['content-type', 'content-length']) {
+            const headerValue = req.headers.get(headerName);
+            if (headerValue) res.setHeader(headerName, headerValue);
+        }
+
         stream.pipe(res);
         stream.on('error', () => res.destroy());
     } catch {