# File lib/webrick/httpauth/basicauth.rb, line 21
21:       def self.make_passwd(realm, user, pass)
22:         pass ||= ""
23:         pass.crypt(Utils::random_string(2))
24:       end

    # File lib/webrick/httpauth/basicauth.rb, line 28
28:       def initialize(config, default=Config::BasicAuth)
29:         check_init(config)
30:         @config = default.dup.update(config)
31:       end

    # File lib/webrick/httpauth/basicauth.rb, line 33
33:       def authenticate(req, res)
34:         unless basic_credentials = check_scheme(req)
35:           challenge(req, res)
36:         end
37:         userid, password = basic_credentials.unpack("m*")[0].split(":", 2) 
38:         password ||= ""
39:         if userid.empty?
40:           error("user id was not given.")
41:           challenge(req, res)
42:         end
43:         unless encpass = @userdb.get_passwd(@realm, userid, @reload_db)
44:           error("%s: the user is not allowed.", userid)
45:           challenge(req, res)
46:         end
47:         if password.crypt(encpass) != encpass
48:           error("%s: password unmatch.", userid)
49:           challenge(req, res)
50:         end
51:         info("%s: authentication succeeded.", userid)
52:         req.user = userid
53:       end

    # File lib/webrick/httpauth/basicauth.rb, line 55
55:       def challenge(req, res)
56:         res[@response_field] = "#{@auth_scheme} realm=\"#{@realm}\""
57:         raise @auth_exception
58:       end