Method: WEBrick::HTTPAuth::DigestAuth#initialize

Defined in:
lib/webrick/httpauth/digestauth.rb

#initialize(config, default = Config::DigestAuth) ⇒ DigestAuth

Creates a new DigestAuth instance. Be sure to use the same DigestAuth instance for multiple requests as it saves state between requests in order to perform authentication.

See WEBrick::Config::DigestAuth for default configuration entries

You must supply the following configuration entries:

:Realm

The name of the realm being protected.

:UserDB

A database of usernames and passwords. A WEBrick::HTTPAuth::Htdigest instance should be used.



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# File 'lib/webrick/httpauth/digestauth.rb', line 86

def initialize(config, default=Config::DigestAuth)
  check_init(config)
  @config                 = default.dup.update(config)
  @algorithm              = @config[:Algorithm]
  @domain                 = @config[:Domain]
  @qop                    = @config[:Qop]
  @use_opaque             = @config[:UseOpaque]
  @use_next_nonce         = @config[:UseNextNonce]
  @check_nc               = @config[:CheckNc]
  @use_auth_info_header   = @config[:UseAuthenticationInfoHeader]
  @nonce_expire_period    = @config[:NonceExpirePeriod]
  @nonce_expire_delta     = @config[:NonceExpireDelta]
  @internet_explorer_hack = @config[:InternetExplorerHack]

  case @algorithm
  when 'MD5','MD5-sess'
    @h = Digest::MD5
  when 'SHA1','SHA1-sess'  # it is a bonus feature :-)
    @h = Digest::SHA1
  else
    msg = format('Algorithm "%s" is not supported.', @algorithm)
    raise ArgumentError.new(msg)
  end

  @instance_key = hexdigest(self.__id__, Time.now.to_i, Process.pid)
  @opaques = {}
  @last_nonce_expire = Time.now
  @mutex = Mutex.new
end