From 53f6dace75a1f4bb5dcd433491412ab1445d2f34 Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Tue, 3 May 2016 17:17:22 +0200
Subject: [PATCH] www: remove old cache disable, only used twice and uneeded

---
 src/www/diag_backup.php          | 3 ---
 src/www/guiconfig.inc            | 9 ---------
 src/www/legacy_traffic_stats.php | 2 +-
 3 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/src/www/diag_backup.php b/src/www/diag_backup.php
index 6ad3a93f3..5dffa5e73 100644
--- a/src/www/diag_backup.php
+++ b/src/www/diag_backup.php
@@ -32,9 +32,6 @@
 ini_set('max_execution_time', '0');
 ini_set('max_input_time', '0');
 
-/* omit no-cache headers because it confuses IE with file downloads */
-$omit_nocacheheaders = true;
-
 require_once("guiconfig.inc");
 require_once("interfaces.inc");
 require_once("filter.inc");
diff --git a/src/www/guiconfig.inc b/src/www/guiconfig.inc
index 588d5214f..56c0b0301 100644
--- a/src/www/guiconfig.inc
+++ b/src/www/guiconfig.inc
@@ -85,15 +85,6 @@ function html_safe($text)
     return htmlspecialchars($text, ENT_QUOTES | ENT_HTML401);
 }
 
-/* make sure nothing is cached */
-if (isset($omit_nocacheheaders) && $omit_nocacheheaders) {
-    header("Expires: 0");
-    header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
-    header("Cache-Control: no-store, no-cache, must-revalidate");
-    header("Cache-Control: post-check=0, pre-check=0", false);
-    header("Pragma: no-cache");
-}
-
 header("X-Frame-Options: SAMEORIGIN");
 
 set_language();
diff --git a/src/www/legacy_traffic_stats.php b/src/www/legacy_traffic_stats.php
index b0029a66b..6130187d8 100644
--- a/src/www/legacy_traffic_stats.php
+++ b/src/www/legacy_traffic_stats.php
@@ -27,7 +27,7 @@
     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     POSSIBILITY OF SUCH DAMAGE.
 */
-$omit_nocacheheaders = true;
+
 require_once('guiconfig.inc');
 require_once('interfaces.inc');
 require_once('pfsense-utils.inc');