lib/down.rb in down-2.4.0 vs lib/down.rb in down-2.4.1

@@ -165,11 +165,12 @@
 
     private
 
     def filename_from_content_disposition
       content_disposition = meta["content-disposition"].to_s
-      filename = content_disposition[/filename="([^"]+)"/, 1] || content_disposition[/filename=(.+)/, 1]
-      filename && CGI.unescape(filename.strip)
+      filename = content_disposition[/filename="([^"]*)"/, 1] || content_disposition[/filename=(.+)/, 1]
+      filename = CGI.unescape(filename.to_s.strip)
+      filename unless filename.empty?
     end
 
     def filename_from_uri
       path = base_uri.path
       filename = path.split("/").last