# File lib/action_dispatch/http/request.rb, line 190
    def raw_post
      unless @env.include? 'RAW_POST_DATA'
        @env['RAW_POST_DATA'] = body.read(@env['CONTENT_LENGTH'].to_i)
        body.rewind if body.respond_to?(:rewind)
      end
      @env['RAW_POST_DATA']
    end