From 290f8f9fd585d4def2dd099a11cb3cb97a138d86 Mon Sep 17 00:00:00 2001
From: acsbendi <acsbendi28@gmail.com>
Date: Fri, 26 Jul 2019 19:50:24 +0200
Subject: [PATCH] Fixed host header not included in S3 requests sometimes.

---
 moto/s3/responses.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/moto/s3/responses.py b/moto/s3/responses.py
index 6dafa80a8..2617f139d 100644
--- a/moto/s3/responses.py
+++ b/moto/s3/responses.py
@@ -727,6 +727,8 @@ class ResponseObject(_TemplateEnvironmentMixin, ActionAuthenticatorMixin):
         self.method = request.method
         self.path = self._get_path(request)
         self.headers = request.headers
+        if 'host' not in self.headers:
+            self.headers['host'] = urlparse(full_url).netloc
         response_headers = {}
         try:
             response = self._key_response(request, full_url, headers)