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1 # -*- Mode: Python; test-case-name: flumotion.test.test_saltsha256 -*- 2 # vi:si:et:sw=4:sts=4:ts=4 3 # 4 # Flumotion - a streaming media server 5 # Copyright (C) 2004,2005,2006,2007 Fluendo, S.L. (www.fluendo.com). 6 # All rights reserved. 7 8 # This file may be distributed and/or modified under the terms of 9 # the GNU General Public License version 2 as published by 10 # the Free Software Foundation. 11 # This file is distributed without any warranty; without even the implied 12 # warranty of merchantability or fitness for a particular purpose. 13 # See "LICENSE.GPL" in the source distribution for more information. 14 15 # Licensees having purchased or holding a valid Flumotion Advanced 16 # Streaming Server license may use this file in accordance with the 17 # Flumotion Advanced Streaming Server Commercial License Agreement. 18 # See "LICENSE.Flumotion" in the source distribution for more information. 19 20 # Headers in this file shall remain intact. 21 22 """ 23 a bouncer with a username/salt/sha256 data backend 24 """ 25 26 import random 27 28 from twisted.python import components 29 from twisted.internet import defer 30 31 from flumotion.common import interfaces, keycards, log, errors 32 from flumotion.component import component 33 from flumotion.component.bouncers import bouncer 34 from flumotion.twisted import credentials, checkers 35 36 __all__ = ['SaltSha256'] 37 __version__ = "$Rev: 7990 $" 38 3941 """ 42 I am a bouncer that stores usernames, salts, and SHA-256 data 43 to authenticate against. 44 """ 45 46 logCategory = 'passwdsaltsha256' 47 keycardClasses = (keycards.KeycardUASPCC, ) 48 challengeResponseClasses = (keycards.KeycardUASPCC, ) 498851 conf = self.config 52 53 # we need either a filename or data 54 props = conf['properties'] 55 filename = data = None 56 if 'filename' in props: 57 filename = props['filename'] 58 self.debug('using file %s for passwords', filename) 59 elif 'data' in props: 60 data = props['data'] 61 self.debug('using in-line data for passwords') 62 else: 63 return defer.fail(errors.ConfigError( 64 'PasswdSaltSha256 needs either a <data> or <filename> entry')) 65 # FIXME: generalize to a start method, possibly linked to mood 66 if filename: 67 try: 68 lines = open(filename).readlines() 69 except IOError, e: 70 return defer.fail(errors.ConfigError(str(e))) 71 else: 72 lines = data.split("\n") 73 74 self.setChecker(checkers.Sha256Checker()) 75 76 for line in lines: 77 if not ':' in line: 78 continue 79 # when coming from a file, it ends in \n, so strip. 80 # for data, we already splitted, so no \n, but strip is fine. 81 name, salt, sha256Data = line.strip().split(':') 82 self.addUser(name, salt, salt, sha256Data) 83 84 self.debug('parsed %s, %d lines' % (filename or '<memory>', 85 len(lines))) 86 87 return defer.succeed(None)
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