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File Content: `authenticator.rb`

# frozen_string_literal: false
#--
# httpauth/authenticator.rb -- Authenticator mix-in module.
#
# Author: IPR -- Internet Programming with Ruby -- writers
# Copyright (c) 2003 Internet Programming with Ruby writers. All rights
# reserved.
#
# $IPR: authenticator.rb,v 1.3 2003/02/20 07:15:47 gotoyuzo Exp $

module WEBrick
  module HTTPAuth

    ##
    # Module providing generic support for both Digest and Basic
    # authentication schemes.

    module Authenticator

      RequestField      = "Authorization" # :nodoc:
      ResponseField     = "WWW-Authenticate" # :nodoc:
      ResponseInfoField = "Authentication-Info" # :nodoc:
      AuthException     = HTTPStatus::Unauthorized # :nodoc:

      ##
      # Method of authentication, must be overridden by the including class

      AuthScheme        = nil

      ##
      # The realm this authenticator covers

      attr_reader :realm

      ##
      # The user database for this authenticator

      attr_reader :userdb

      ##
      # The logger for this authenticator

      attr_reader :logger

      private

      # :stopdoc:

      ##
      # Initializes the authenticator from +config+

      def check_init(config)
        [:UserDB, :Realm].each{|sym|
          unless config[sym]
            raise ArgumentError, "Argument #{sym.inspect} missing."
          end
        }
        @realm     = config[:Realm]
        @userdb    = config[:UserDB]
        @logger    = config[:Logger] || Log::new($stderr)
        @reload_db = config[:AutoReloadUserDB]
        @request_field   = self::class::RequestField
        @response_field  = self::class::ResponseField
        @resp_info_field = self::class::ResponseInfoField
        @auth_exception  = self::class::AuthException
        @auth_scheme     = self::class::AuthScheme
      end

      ##
      # Ensures +req+ has credentials that can be authenticated.

      def check_scheme(req)
        unless credentials = req[@request_field]
          error("no credentials in the request.")
          return nil
        end
        unless match = /^#{@auth_scheme}\s+/i.match(credentials)
          error("invalid scheme in %s.", credentials)
          info("%s: %s", @request_field, credentials) if $DEBUG
          return nil
        end
        return match.post_match
      end

      def log(meth, fmt, *args)
        msg = format("%s %s: ", @auth_scheme, @realm)
        msg << fmt % args
        @logger.__send__(meth, msg)
      end

      def error(fmt, *args)
        if @logger.error?
          log(:error, fmt, *args)
        end
      end

      def info(fmt, *args)
        if @logger.info?
          log(:info, fmt, *args)
        end
      end

      # :startdoc:
    end

    ##
    # Module providing generic support for both Digest and Basic
    # authentication schemes for proxies.

    module ProxyAuthenticator
      RequestField  = "Proxy-Authorization" # :nodoc:
      ResponseField = "Proxy-Authenticate" # :nodoc:
      InfoField     = "Proxy-Authentication-Info" # :nodoc:
      AuthException = HTTPStatus::ProxyAuthenticationRequired # :nodoc:
    end
  end
end
Name	Size	Permission
authenticator.rb	3105 bytes	0644
basicauth.rb	3328 bytes	0644
digestauth.rb	13103 bytes	0644
htdigest.rb	3515 bytes	0644
htgroup.rb	2489 bytes	0644
htpasswd.rb	4699 bytes	0644
userdb.rb	1346 bytes	0644
File Content: authenticator.rb

File Content: `authenticator.rb`
