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| author | Sem <sembrestels@riseup.net> | 2012-01-03 16:14:31 +0100 |
|---|---|---|
| committer | Cash Costello <cash.costello@gmail.com> | 2012-01-07 11:58:54 -0500 |
| commit | 946a1229a126b91de9b64d2def672c628a77e6c6 (patch) | |
| tree | 1922b20ee691081dbab0169a20ab5a2496bbc8d7 | |
| parent | ef71ffca08b91f514208adfdd67249dd52fc1aa3 (diff) | |
| download | elgg-946a1229a126b91de9b64d2def672c628a77e6c6.tar.gz elgg-946a1229a126b91de9b64d2def672c628a77e6c6.tar.bz2 | |
Refs #4142. Also added ETag in group icon.
| -rw-r--r-- | mod/groups/icon.php | 8 |
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; |