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author | Sem <sembrestels@riseup.net> | 2012-01-12 16:15:16 +0100 |
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committer | Sem <sembrestels@riseup.net> | 2012-01-12 16:15:16 +0100 |
commit | cc544cfa2086e418318a899ffd550adfb744c7ba (patch) | |
tree | 6c04fbe2e3df67513aa76803cb8d05c105ba219b /mod/groups/icon.php | |
parent | e7d64510ebd823f186282e2b80780295bcca1b79 (diff) | |
parent | 68e4829ac0959d86c651e7ed6dc255c39694c8af (diff) | |
download | elgg-cc544cfa2086e418318a899ffd550adfb744c7ba.tar.gz elgg-cc544cfa2086e418318a899ffd550adfb744c7ba.tar.bz2 |
Merge Elgg 1.8.3.
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; |