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authorSem <sembrestels@riseup.net>2012-01-03 16:14:31 +0100
committerCash Costello <cash.costello@gmail.com>2012-01-07 11:58:54 -0500
commit946a1229a126b91de9b64d2def672c628a77e6c6 (patch)
tree1922b20ee691081dbab0169a20ab5a2496bbc8d7 /mod/groups
parentef71ffca08b91f514208adfdd67249dd52fc1aa3 (diff)
downloadelgg-946a1229a126b91de9b64d2def672c628a77e6c6.tar.gz
elgg-946a1229a126b91de9b64d2def672c628a77e6c6.tar.bz2
Refs #4142. Also added ETag in group icon.
Diffstat (limited to 'mod/groups')
-rw-r--r--mod/groups/icon.php8
1 files changed, 8 insertions, 0 deletions
diff --git a/mod/groups/icon.php b/mod/groups/icon.php
index f4c0f8010..607f38939 100644
--- a/mod/groups/icon.php
+++ b/mod/groups/icon.php
@@ -10,6 +10,13 @@ require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
$group_guid = get_input('group_guid');
$group = get_entity($group_guid);
+// If is the same eTag, content didn't changed.
+$eTag = $group->icontime . $group_guid;
+if (trim($_SERVER['HTTP_IF_NONE_MATCH']) == $eTag) {
+ header("HTTP/1.1 304 Not Modified");
+ exit;
+}
+
$size = strtolower(get_input('size'));
if (!in_array($size,array('large','medium','small','tiny','master','topbar')))
$size = "medium";
@@ -37,4 +44,5 @@ header('Expires: ' . date('r',time() + 864000));
header("Pragma: public");
header("Cache-Control: public");
header("Content-Length: " . strlen($contents));
+header("ETag: $eTag");
echo $contents;