1# This file is part of Xpra. 

2# Copyright (C) 2016-2020 Antoine Martin <antoine@xpra.org> 

3# Xpra is released under the terms of the GNU GPL v2, or, at your option, any 

4# later version. See the file COPYING for details. 

5 

6import os 

7from xpra.server.auth.sys_auth_base import SysAuthenticator 

8 

9 

10class Authenticator(SysAuthenticator): 

11 

12 def __init__(self, username, **kwargs): 

13 self.var_name = kwargs.pop("name", "XPRA_PASSWORD") 

14 super().__init__(username, **kwargs) 

15 self.authenticate_check = self.authenticate_hmac 

16 

17 def __repr__(self): 

18 return "env" 

19 

20 def get_password(self) -> str: 

21 return os.environ.get(self.var_name)