From f05ff65b305641b0deea0dc412bd0f2c9389fb42 Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Thu, 9 Feb 2023 23:15:24 +0100
Subject: [PATCH] Change for Chrome caching issue #188

---
 snappymail/v/0.0.0/app/libraries/MailSo/Base/Http.php       | 2 +-
 snappymail/v/0.0.0/app/libraries/snappymail/http/stream.php | 2 +-
 snappymail/v/0.0.0/app/libraries/snappymail/stream/zip.php  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Base/Http.php b/snappymail/v/0.0.0/app/libraries/MailSo/Base/Http.php
index 4d8e37fb3..bab9de700 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Base/Http.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Base/Http.php
@@ -185,7 +185,7 @@ class Http
 			static::$bCache = true;
 			\header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
 			\header('Last-Modified: '.\gmdate('D, d M Y H:i:s').' GMT');
-			\header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0, post-check=0, pre-check=0');
+			\header('Cache-Control: no-store');
 			\header('Pragma: no-cache');
 		}
 	}
diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/http/stream.php b/snappymail/v/0.0.0/app/libraries/snappymail/http/stream.php
index 507a6c8ae..4d8435bfb 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/http/stream.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/http/stream.php
@@ -29,7 +29,7 @@ abstract class Stream
 		// We just fake Drupal https://www.drupal.org/docs/8/core/modules/big-pipe/bigpipe-environment-requirements
 		\header('Surrogate-Control: no-store, content="BigPipe/1.0"');
 		// Explicitly disable caching so Varnish and other upstreams won't cache.
-		\header('Cache-Control: no-store, no-cache, must-revalidate');
+		\header('Cache-Control: no-store');
 		\header('Pragma: no-cache');
 
 		// Nginx: disable fastcgi_buffering and disable gzip for this request.
diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/stream/zip.php b/snappymail/v/0.0.0/app/libraries/snappymail/stream/zip.php
index 0cb9e735f..163d4a2bc 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/stream/zip.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/stream/zip.php
@@ -77,7 +77,7 @@ class ZIP
 			while ($i-- && \ob_end_clean());
 			\ob_get_level() || \header('Content-Encoding: ');
 		}
-		\header('Cache-Control: no-store, no-cache, must-revalidate');
+		\header('Cache-Control: no-store');
 		\header('Pragma: no-cache');
 		\header('Content-Transfer-Encoding: binary');
 		$name = "{$name}.zip";