* bring back cache-busting for feed icons based on timestamp

 * DiskCache: use singleton pattern to create less cache object instances
 * DiskCache: implement ETag

1 files changed, 2 insertions, 2 deletions

diff --git a/classes/handler/public.php b/classes/handler/public.php
index b848b15fe..190c806be 100755
--- a/classes/handler/public.php
+++ b/classes/handler/public.php
@@ -759,7 +759,7 @@ class Handler_Public extends Handler {
 		// we do not allow files with extensions at the moment
 		$filename = str_replace(".", "", $filename);
 
-		$cache = new DiskCache($cache_dir);
+		$cache = DiskCache::instance($cache_dir);
 
 		if ($cache->exists($filename)) {
 			$cache->send($filename);
@@ -771,7 +771,7 @@ class Handler_Public extends Handler {
 
 	function feed_icon() : void {
 		$id = (int)$_REQUEST['id'];
-		$cache = new DiskCache('feed-icons');
+		$cache = DiskCache::instance('feed-icons');
 
 		if ($cache->exists((string)$id)) {
 			$cache->send((string)$id);