From 632ac7bbab9b0c548fca0e10f52fc95bd4e2e55a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samy=20Pess=C3=A9?= <samypesse@gmail.com>
Date: Tue, 12 Dec 2023 11:03:08 +0100
Subject: [PATCH] Test by passing a x-forwarded-host header

---
 src/middleware.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/middleware.ts b/src/middleware.ts
index 948694480..ecf3be388 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -53,6 +53,9 @@ export async function middleware(request: NextRequest) {
     console.log(`rendering ${resolved.space} ${resolved.pathname}`);
 
     const headers = new Headers(request.headers);
+
+    // Pass a x-forwarded-host and origin to ensure Next doesn't block server actions when proxied
+    headers.set('x-forwarded-host', inputURL.host);
     headers.set('origin', inputURL.origin);
     headers.set('x-gitbook-token', resolved.apiToken);
     headers.set('x-gitbook-basepath', joinPath(proxyBasePath, resolved.basePath));