Contents

require 'rack/content_length'
require 'rack/rewindable_input'

module Rack
  module Handler
    class CGI
      def self.run(app, options=nil)
        serve app
      end

      def self.serve(app)
        app = ContentLength.new(app)

        env = ENV.to_hash
        env.delete "HTTP_CONTENT_LENGTH"

        env["SCRIPT_NAME"] = ""  if env["SCRIPT_NAME"] == "/"

        rack_input = RewindableInput.new($stdin)

        env.update({"rack.version" => [1,0],
                     "rack.input" => rack_input,
                     "rack.errors" => $stderr,

                     "rack.multithread" => false,
                     "rack.multiprocess" => true,
                     "rack.run_once" => true,

                     "rack.url_scheme" => ["yes", "on", "1"].include?(ENV["HTTPS"]) ? "https" : "http"
                   })

        env["QUERY_STRING"] ||= ""
        env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
        env["REQUEST_PATH"] ||= "/"

        begin
          status, headers, body = app.call(env)
          begin
            send_headers status, headers
            send_body body
          ensure
            body.close  if body.respond_to? :close
          end
        ensure
          rack_input.close
        end
      end

      def self.send_headers(status, headers)
        STDOUT.print "Status: #{status}\r\n"
        headers.each { |k, vs|
          vs.split("\n").each { |v|
            STDOUT.print "#{k}: #{v}\r\n"
          }
        }
        STDOUT.print "\r\n"
        STDOUT.flush
      end

      def self.send_body(body)
        body.each { |part|
          STDOUT.print part
          STDOUT.flush
        }
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
hiraku-rack-1.0.0.1	lib/rack/handler/cgi.rb