From fe8a06591bd42eb6fc425ac1e3c0593dbede0716 Mon Sep 17 00:00:00 2001
From: ekko <fqsy1416@gmail.com>
Date: Sat, 11 Apr 2026 16:19:52 +0800
Subject: [PATCH] fix: read request body before forwarding in API proxy

Node.js fetch requires duplex option when streaming request body.
Read body chunks first, then forward as Buffer.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 bin/hermes-web-ui.mjs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/bin/hermes-web-ui.mjs b/bin/hermes-web-ui.mjs
index 2600b8d..2cfa35e 100755
--- a/bin/hermes-web-ui.mjs
+++ b/bin/hermes-web-ui.mjs
@@ -57,10 +57,16 @@ async function proxyRequest(req, res, reqPath) {
   delete headers['referer']
 
   try {
+    const hasBody = req.method !== 'GET' && req.method !== 'HEAD'
+    const bodyChunks = hasBody ? [] : null
+    if (hasBody) {
+      for await (const chunk of req) bodyChunks.push(chunk)
+    }
+
     const apiRes = await fetch(url, {
       method: req.method,
       headers,
-      body: req.method !== 'GET' && req.method !== 'HEAD' ? req : undefined,
+      body: bodyChunks ? Buffer.concat(bodyChunks) : undefined,
     })
 
     const resHeaders = {}