From 36196b6c2d68ba7de74b8314743539b043325198 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind1991@gmail.com>
Date: Sun, 2 Oct 2011 19:42:14 +0200
Subject: [PATCH] use browsercache for gallery covers

---
 apps/gallery/ajax/getCovers.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/apps/gallery/ajax/getCovers.php b/apps/gallery/ajax/getCovers.php
index d56bf6fa4b7..ebda8d3e47f 100644
--- a/apps/gallery/ajax/getCovers.php
+++ b/apps/gallery/ajax/getCovers.php
@@ -61,6 +61,12 @@ while (($i = $result->fetchRow()) && $counter < $numOfItems) {
 
 header('Content-Type: image/png');
 
+$offset = 3600 * 24;
+// calc the string in GMT not localtime and add the offset
+header("Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT");
+header('Cache-Control: max-age=3600, must-revalidate');
+header('Pragma: public');
+
 imagepng($targetImg);
 imagedestroy($targetImg);
 ?>
-- 
2.39.5