From d67e4d5b174714afabb8611c25af99528e8ec3fd Mon Sep 17 00:00:00 2001
From: Sveinn <info@sveinn.is>
Date: Tue, 21 Nov 2023 21:36:32 -0800
Subject: [PATCH] fix: check for bucket existence before FTP upload (#18496)

---
 cmd/sftp-server-driver.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cmd/sftp-server-driver.go b/cmd/sftp-server-driver.go
index 365d55a65..c39c9b232 100644
--- a/cmd/sftp-server-driver.go
+++ b/cmd/sftp-server-driver.go
@@ -290,6 +290,13 @@ func (f *sftpDriver) Filewrite(r *sftp.Request) (w io.WriterAt, err error) {
 	if err != nil {
 		return nil, err
 	}
+	ok, err := clnt.BucketExists(r.Context(), bucket)
+	if err != nil {
+		return nil, err
+	}
+	if !ok {
+		return nil, os.ErrNotExist
+	}
 
 	pr, pw := io.Pipe()