From 5e0999c53c8da92a84622199611bc55540b53a71 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 08 Jul 2010 12:12:45 -0400
Subject: [PATCH] - Fix opening attachments on IE (#1486829)

---
 program/include/rcube_shared.inc |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 7952627..7bb47a5 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -39,14 +39,16 @@
 
   header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
   header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
-  header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0");
-  header("Pragma: no-cache");
   // Request browser to disable DNS prefetching (CVE-2010-0464)
   header("X-DNS-Prefetch-Control: off");
 
   // We need to set the following headers to make downloads work using IE in HTTPS mode.
   if ($OUTPUT->browser->ie && rcube_https_check()) {
     header('Pragma: private');
+    header("Cache-Control: private, must-revalidate");
+  } else {
+    header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0");
+    header("Pragma: no-cache");
   }
 }
 

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