added wildcard support to HTTP_PROXY_IGNORE, fixes #582

Closes #582

lib/functions.php

@@ -1817,8 +1817,12 @@ function get_default_http_stream_context($url = '')
         }
         $host = $purl['host'];
         $whitelist = array_filter(array_map('trim', explode(',', Config::get()->HTTP_PROXY_IGNORE)));
-        if (in_array($host, $whitelist)) {
-            $proxy = '';
+
+        foreach ($whitelist as $whitehost) {
+            if (fnmatch($whitehost, $host)) {
+                $proxy = '';
+                break;
+            }
         }
     }
     if ($proxy) {