class Rack::Handler::CGI

Public Class Methods

run(app, options=nil) click to toggle source
# File lib/rack/handler/cgi.rb, line 6
def self.run(app, options=nil)
  serve app
end
send_body(body) click to toggle source
# File lib/rack/handler/cgi.rb, line 53
def self.send_body(body)
  body.each { |part|
    STDOUT.print part
    STDOUT.flush
  }
end
send_headers(status, headers) click to toggle source
# File lib/rack/handler/cgi.rb, line 42
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
serve(app) click to toggle source
# File lib/rack/handler/cgi.rb, line 10
def self.serve(app)
  app = ContentLength.new(app)

  env = ENV.to_hash
  env.delete "HTTP_CONTENT_LENGTH"

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

  env.update({"rack.version" => [1,1],
               "rack.input" => $stdin,
               "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"] ||= "/"

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