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| author | Cash Costello <cash.costello@gmail.com> | 2012-01-07 12:35:58 -0500 |
|---|---|---|
| committer | Cash Costello <cash.costello@gmail.com> | 2012-01-07 12:35:58 -0500 |
| commit | 00fc90b9c67b0e3438ca2307acd5d3e42332a462 (patch) | |
| tree | afe9ea37de5a86a52c5a446cee579c674de1a54b /mod/groups/icon.php | |
| parent | 1973a28f46d8678c79721aeca63b007f2b20bdcb (diff) | |
| parent | 6b8301f6433ec22b065d734e9fc26d09f723b07d (diff) | |
| download | elgg-00fc90b9c67b0e3438ca2307acd5d3e42332a462.tar.gz elgg-00fc90b9c67b0e3438ca2307acd5d3e42332a462.tar.bz2 | |
Merge pull request #134 from sembrestels/etag2
Diffstat (limited to 'mod/groups/icon.php')
| -rw-r--r-- | mod/groups/icon.php | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/mod/groups/icon.php b/mod/groups/icon.php index f4c0f8010..104da4b41 100644 --- a/mod/groups/icon.php +++ b/mod/groups/icon.php @@ -10,8 +10,15 @@ 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 . $group_guid; +if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && 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'))) +if (!in_array($size, array('large', 'medium', 'small', 'tiny', 'master', 'topbar'))) $size = "medium"; $success = false; @@ -37,4 +44,5 @@ header('Expires: ' . date('r',time() + 864000)); header("Pragma: public"); header("Cache-Control: public"); header("Content-Length: " . strlen($contents)); +header("ETag: $etag"); echo $contents; |