From e9dd17b2d5b9e7530d476f9059393aa232471c80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9gory=20Mazerand?= <gregory@botify.com>
Date: Tue, 5 Dec 2023 17:25:58 +0100
Subject: [PATCH] Secure the connection using SSL when connecting to the FTPS
 server

---
 smart_open/ftp.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/smart_open/ftp.py b/smart_open/ftp.py
index 7d4a5ad5..40d54ca3 100644
--- a/smart_open/ftp.py
+++ b/smart_open/ftp.py
@@ -10,6 +10,7 @@
 """
 
 import logging
+import ssl
 import urllib.parse
 import smart_open.utils
 from ftplib import FTP, FTP_TLS, error_reply
@@ -85,7 +86,8 @@ def convert_transport_params_to_args(transport_params):
 def _connect(hostname, username, port, password, secure_connection, transport_params):
     kwargs = convert_transport_params_to_args(transport_params)
     if secure_connection:
-        ftp = FTP_TLS(**kwargs)
+        ssl_context = ssl.create_default_context(purpose=ssl.Purpose.CLIENT_AUTH)
+        ftp = FTP_TLS(context=ssl_context, **kwargs)
     else:
         ftp = FTP(**kwargs)
     try: