static.ru

gistfile1.rb

require 'rack'

HANDLER = Rack::Handler::Thin
PORT = 9292
PUBLIC_DIR = "public"

module Rack
  class File
    def _call(env)
      @path_info = Rack::Utils.unescape(env["PATH_INFO"])
      return forbidden  if @path_info.include? ".."

      @path = F.join(@root, @path_info)
      @path = F.join(@path, 'index.html') if F.directory?(@path)

      begin
        if F.file?(@path) && F.readable?(@path)
          serving
        else
          raise Errno::EPERM
        end
      rescue SystemCallError
        not_found
      end
    end
  end
end

HANDLER.run Rack::Static.new(nil, :urls => ["/"], :root => PUBLIC_DIR), :Port => PORT

すでにあった http://blog.udzura.jp/2011/04/08/naive-static-site-withrack/