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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 an bouncer with a username/salt/sha256 data backend 24 """ 25 26 import md5 27 import random 28 29 from twisted.python import components 30 from twisted.cred import error 31 from twisted.internet import defer 32 33 from flumotion.common import interfaces, keycards, log, config 34 from flumotion.component import component 35 from flumotion.component.bouncers import bouncer 36 from flumotion.twisted import credentials, checkers 37 38 __all__ = ['SaltSha256'] 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, ) 49 508852 conf = self.config 53 54 # we need either a filename or data 55 props = conf['properties'] 56 filename = data = None 57 if props.has_key('filename'): 58 filename = props['filename'] 59 self.debug('using file %s for passwords', filename) 60 elif props.has_key('data'): 61 data = props['data'] 62 self.debug('using in-line data for passwords') 63 else: 64 return defer.fail(config.ConfigError( 65 'PasswdSaltSha256 needs either a <data> or <filename> entry')) 66 # FIXME: generalize to a start method, possibly linked to mood 67 if filename: 68 try: 69 lines = open(filename).readlines() 70 except IOError, e: 71 return defer.fail(config.ConfigError(str(e))) 72 else: 73 lines = data.split("\n") 74 75 self.setChecker(checkers.Sha256Checker()) 76 77 for line in lines: 78 if not ':' in line: 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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