af_zz_imgproxy: redirect to cached_url if cache already exists so that urls are a bit shorter (2)

plugins/af_zz_imgproxy/init.php

@@ -124,6 +124,8 @@ class Af_Zz_ImgProxy extends Plugin {
 
 		if (($scheme != 'https' && $scheme != "") || $is_remote) {
 			if (strpos($url, "data:") !== 0) {
+				/* we don't need to handle URLs where local cache already exists, tt-rss rewrites those automatically */
+				if (!$this->cache->exists(sha1($url))) {
 					$parts = parse_url($url);
 
 					foreach (explode(" " , $this->ssl_known_whitelist) as $host) {
@@ -138,8 +140,6 @@ class Af_Zz_ImgProxy extends Plugin {
 						}
 					}
 
-				/* we don't need to handle URLs where local cache already exists, tt-rss rewrites those automatically */
-				if (!$this->cache->exists(sha1($url))) {
 					return get_self_url_prefix() . "/public.php?op=pluginhandler&plugin=af_zz_imgproxy&pmethod=imgproxy&url=" .
 						urlencode($url);
 				}