diff options
Diffstat (limited to 'mod/groups/icon.php')
| -rw-r--r-- | mod/groups/icon.php | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/mod/groups/icon.php b/mod/groups/icon.php index f86f84fa5..ebdc1eb6d 100644 --- a/mod/groups/icon.php +++ b/mod/groups/icon.php @@ -8,11 +8,17 @@ require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php"); $group_guid = get_input('group_guid'); + +/* @var ElggGroup $group */ $group = get_entity($group_guid); +if (!($group instanceof ElggGroup)) { + header("HTTP/1.1 404 Not Found"); + exit; +} // 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']) == $etag) { +if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && trim($_SERVER['HTTP_IF_NONE_MATCH']) == "\"$etag\"") { header("HTTP/1.1 304 Not Modified"); exit; } @@ -40,9 +46,9 @@ if (!$success) { } header("Content-type: image/jpeg"); -header('Expires: ' . date('r',time() + 864000)); +header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', strtotime("+10 days")), true); header("Pragma: public"); header("Cache-Control: public"); header("Content-Length: " . strlen($contents)); -header("ETag: $etag"); +header("ETag: \"$etag\""); echo $contents; |