Class: ActionController::CGIHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/action_controller/cgi_process.rb

Defined Under Namespace

Modules: ProperStream

Class Method Summary collapse

Class Method Details

.dispatch_cgi(app, cgi, out = $stdout) ⇒ Object 



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# File 'lib/action_controller/cgi_process.rb', line 21

def self.dispatch_cgi(app, cgi, out = $stdout)
  env = cgi.__send__(:env_table)
  env.delete "HTTP_CONTENT_LENGTH"

  cgi.stdinput.extend ProperStream

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

  env.update({
    "rack.version" => [0,1],
    "rack.input" => cgi.stdinput,
    "rack.errors" => $stderr,
    "rack.multithread" => false,
    "rack.multiprocess" => true,
    "rack.run_once" => false,
    "rack.url_scheme" => ["yes", "on", "1"].include?(env["HTTPS"]) ? "https" : "http"
  })

  env["QUERY_STRING"] ||= ""
  env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
  env["REQUEST_PATH"] ||= "/"
  env.delete "PATH_INFO" if env["PATH_INFO"] == ""

  status, headers, body = app.call(env)
  begin
    out.binmode if out.respond_to?(:binmode)
    out.sync = false if out.respond_to?(:sync=)

    headers['Status'] = status.to_s

    if headers.include?('Set-Cookie')
      headers['cookie'] = headers.delete('Set-Cookie').split("\n")
    end

    out.write(cgi.header(headers))

    body.each { |part|
      out.write part
      out.flush if out.respond_to?(:flush)
    }
  ensure
    body.close if body.respond_to?(:close)
  end
end