# File lib/rack/cors.rb, line 107
        def origins(*args,&blk)
          @origins = args.flatten.collect do |n|
            case n
            when Regexp, /^https?:\/\// then n
            when 'file://'              then n
            when '*'                    then @public_resources = true; n
            else                        ["http://#{n}", "https://#{n}"]
            end
          end.flatten
          @origins.push(blk) if blk
        end