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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) 2004,2005,2006,2007,2008,2009 Fluendo, S.L. 6 # Copyright (C) 2010,2011 Flumotion Services, S.A. 7 # All rights reserved. 8 # 9 # This file may be distributed and/or modified under the terms of 10 # the GNU Lesser General Public License version 2.1 as published by 11 # the Free Software Foundation. 12 # This file is distributed without any warranty; without even the implied 13 # warranty of merchantability or fitness for a particular purpose. 14 # See "LICENSE.LGPL" in the source distribution for more information. 15 # 16 # Headers in this file shall remain intact. 17 18 """ 19 a bouncer with a username/salt/sha256 data backend 20 """ 21 22 import random 23 24 from twisted.internet import defer 25 26 from flumotion.common import keycards, log, errors 27 from flumotion.component.bouncers import component as bcomponent 28 from flumotion.twisted import credentials, checkers 29 30 __all__ = ['SaltSha256'] 31 __version__ = "$Rev$" 32 3335 """ 36 I am a bouncer that stores usernames, salts, and SHA-256 data 37 to authenticate against. 38 """ 39 40 logCategory = 'passwdsaltsha256' 41 keycardClasses = (keycards.KeycardUASPCC, ) 42 challengeResponseClasses = (keycards.KeycardUASPCC, ) 438245 conf = self.config 46 47 # we need either a filename or data 48 props = conf['properties'] 49 filename = data = None 50 if 'filename' in props: 51 filename = props['filename'] 52 self.debug('using file %s for passwords', filename) 53 elif 'data' in props: 54 data = props['data'] 55 self.debug('using in-line data for passwords') 56 else: 57 return defer.fail(errors.ConfigError( 58 'PasswdSaltSha256 needs either a <data> or <filename> entry')) 59 # FIXME: generalize to a start method, possibly linked to mood 60 if filename: 61 try: 62 lines = open(filename).readlines() 63 except IOError, e: 64 return defer.fail(errors.ConfigError(str(e))) 65 else: 66 lines = data.split("\n") 67 68 self.setChecker(checkers.Sha256Checker()) 69 70 for line in lines: 71 if not ':' in line: 72 continue 73 # when coming from a file, it ends in \n, so strip. 74 # for data, we already splitted, so no \n, but strip is fine. 75 name, salt, sha256Data = line.strip().split(':') 76 self.addUser(name, salt, salt, sha256Data) 77 78 self.debug('parsed %s, %d lines' % (filename or '<memory>', 79 len(lines))) 80 81 return defer.succeed(None)
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