From e9e03c217ae4a18af45fb5e9e27b56d17ded894c Mon Sep 17 00:00:00 2001
From: Marc Mintel <marc@mintel.me>
Date: Sun, 12 Apr 2026 11:14:15 +0200
Subject: [PATCH] fix(middleware): avoid manual NextRequest with body for
 GET/HEAD to resolve failed to pipe response error (160k occurrences)

---
 middleware.ts | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/middleware.ts b/middleware.ts
index 2261faad..62cd5429 100644
--- a/middleware.ts
+++ b/middleware.ts
@@ -52,16 +52,20 @@ export default async function middleware(request: NextRequest) {
 
     urlObj.protocol = proto;
 
-    effectiveRequest = new NextRequest(urlObj, {
-      headers: request.headers,
-      method: request.method,
-      body: request.body,
-    });
+    // Only create a new request for GET/HEAD to avoid consuming the body stream on POST/PUT
+    // This resolves the "failed to pipe response" error (160k occurrences in GlitchTip)
+    if (['GET', 'HEAD'].includes(request.method)) {
+      effectiveRequest = new NextRequest(urlObj, {
+        headers: request.headers,
+        method: request.method,
+        // No body for GET/HEAD
+      });
 
-    if (process.env.NODE_ENV !== 'production' || !process.env.CI) {
-      console.log(
-        `🛡️ Proxy: Fixed internal URL leak: ${url} -> ${urlObj.toString()} | Proto: ${proto} | Host: ${hostHeader}`,
-      );
+      if (process.env.NODE_ENV !== 'production' || !process.env.CI) {
+        console.log(
+          `🛡️ Proxy: Fixed internal URL leak: ${url} -> ${urlObj.toString()} | Proto: ${proto} | Host: ${hostHeader}`,
+        );
+      }
     }
   }