From 68b91f488bb123124324286192461a7207ead5b1 Mon Sep 17 00:00:00 2001
From: Blayne Chard <bchard@linz.govt.nz>
Date: Mon, 4 Nov 2024 14:25:16 +1300
Subject: [PATCH] fix: do not duplicate middleware inside the aws-sdk

---
 packages/shared/src/file.system.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/shared/src/file.system.ts b/packages/shared/src/file.system.ts
index 882101bd2..9ce91628c 100644
--- a/packages/shared/src/file.system.ts
+++ b/packages/shared/src/file.system.ts
@@ -36,7 +36,10 @@ export const s3FsPublic = new FsAwsS3(
 /** Ensure middleware are added to all s3 clients that are created */
 function applyS3MiddleWare(fs: FsAwsS3): void {
   if (fs.s3 == null) return;
-  fs.s3.middlewareStack.add(Fqdn.middleware, { name: 'FQDN', step: 'finalizeRequest' });
+  const stacks = fs.s3.middlewareStack.identify();
+  if (stacks.find((f) => f.startsWith('FQDN - ')) == null) {
+    fs.s3.middlewareStack.add(Fqdn.middleware, { name: 'FQDN', step: 'finalizeRequest' });
+  }
 }
 
 applyS3MiddleWare(s3FsPublic);