80 lines
2.3 KiB
Ruby
80 lines
2.3 KiB
Ruby
#
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# httpauth/authenticator.rb -- Authenticator mix-in module.
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#
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# Author: IPR -- Internet Programming with Ruby -- writers
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# Copyright (c) 2003 Internet Programming with Ruby writers. All rights
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# reserved.
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#
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# $IPR: authenticator.rb,v 1.3 2003/02/20 07:15:47 gotoyuzo Exp $
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module WEBrick
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module HTTPAuth
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module Authenticator
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RequestField = "Authorization"
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ResponseField = "WWW-Authenticate"
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ResponseInfoField = "Authentication-Info"
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AuthException = HTTPStatus::Unauthorized
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AuthScheme = nil # must override by the derived class
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attr_reader :realm, :userdb, :logger
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private
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def check_init(config)
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[:UserDB, :Realm].each{|sym|
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unless config[sym]
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raise ArgumentError, "Argument #{sym.inspect} missing."
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end
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}
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@realm = config[:Realm]
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@userdb = config[:UserDB]
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@logger = config[:Logger] || Log::new($stderr)
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@reload_db = config[:AutoReloadUserDB]
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@request_field = self::class::RequestField
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@response_field = self::class::ResponseField
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@resp_info_field = self::class::ResponseInfoField
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@auth_exception = self::class::AuthException
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@auth_scheme = self::class::AuthScheme
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end
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def check_scheme(req)
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unless credentials = req[@request_field]
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error("no credentials in the request.")
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return nil
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end
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unless match = /^#{@auth_scheme}\s+/.match(credentials)
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error("invalid scheme in %s.", credentials)
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info("%s: %s", @request_field, credentials) if $DEBUG
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return nil
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end
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return match.post_match
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end
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def log(meth, fmt, *args)
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msg = format("%s %s: ", @auth_scheme, @realm)
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msg << fmt % args
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@logger.send(meth, msg)
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end
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def error(fmt, *args)
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if @logger.error?
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log(:error, fmt, *args)
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end
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end
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def info(fmt, *args)
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if @logger.info?
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log(:info, fmt, *args)
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end
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end
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end
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module ProxyAuthenticator
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RequestField = "Proxy-Authorization"
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ResponseField = "Proxy-Authenticate"
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InfoField = "Proxy-Authentication-Info"
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AuthException = HTTPStatus::ProxyAuthenticationRequired
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end
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end
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end
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