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annotate roundup/password.py @ 5630:07abc8d36940

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Add etag support to rest interface to prevent multiple users from overwriting other users changes. All GET requests for an object (issue, user, keyword etc.) or a property of an object (e.g the title of an issue) return the etag for the object in the ETag header as well as the @etag field in the returned object. All requests that change existing objects (DELETE, PUT or PATCH) require: 1 A request include an ETag header with the etag value retrieved for the object. 2 A submits a form that includes the field @etag that must have the value retrieved for the object. If an etag is not supplied by one of these methods, or any supplied etag does not match the etag calculated at the time the DELETE, PUT or PATCH request is made, HTTP error 412 (Precondition Failed) is returned and no change is made. At that time the client code should retrieve the object again, reconcile the changes and can try to send a new update. The etag is the md5 hash of the representation (repr()) of the object retrieved from the database.
author John Rouillard <rouilj@ieee.org>
date Fri, 01 Mar 2019 22:57:07 -0500
parents 11a1afa3cba4
children 6c3826600610
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #
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2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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10 # POSSIBILITY OF SUCH DAMAGE.
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11 #
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12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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17 #
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18 """Password handling (encoding, decoding).
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19 """
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20 __docformat__ = 'restructuredtext'
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21
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22 import re, string
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23 from base64 import b64encode, b64decode
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24 from hashlib import md5, sha1
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25
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26 from roundup.anypy.strings import us2s, b2s, s2b
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27 import roundup.anypy.random_ as random_
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28
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29 try:
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30 import crypt
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31 except ImportError:
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32 crypt = None
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33
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34 _bempty = b""
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35 _bjoin = _bempty.join
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36
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37 def bchr(c):
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38 if bytes == str:
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39 # Python 2.
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40 return chr(c)
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41 else:
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42 # Python 3.
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43 return bytes((c,))
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44
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45 def bord(c):
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46 if bytes == str:
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47 # Python 2.
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48 return ord(c)
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49 else:
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50 # Python 3. Elements of bytes are integers.
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51 return c
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52
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53 #NOTE: PBKDF2 hash is using this variant of base64 to minimize encoding size,
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54 # and have charset that's compatible w/ unix crypt variants
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55 def h64encode(data):
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56 """encode using variant of base64"""
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57 return b2s(b64encode(data, b"./").strip(b"=\n"))
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58
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59 def h64decode(data):
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60 """decode using variant of base64"""
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61 data = s2b(data)
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62 off = len(data) % 4
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63 if off == 0:
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64 return b64decode(data, b"./")
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65 elif off == 1:
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66 raise ValueError("Invalid base64 input")
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67 elif off == 2:
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68 return b64decode(data + b"==", b"./")
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69 else:
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70 return b64decode(data + b"=", b"./")
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71
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72 try:
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73 from hashlib import pbkdf2_hmac
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74 def _pbkdf2(password, salt, rounds, keylen):
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75 return pbkdf2_hmac('sha1', password, salt, rounds, keylen)
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76 except ImportError:
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77 #no hashlib.pbkdf2_hmac - make our own pbkdf2 function
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78 from struct import pack
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79 from hmac import HMAC
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80
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81 def xor_bytes(left, right):
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82 "perform bitwise-xor of two byte-strings"
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83 return _bjoin(bchr(bord(l) ^ bord(r)) for l, r in zip(left, right))
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84
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85 def _pbkdf2(password, salt, rounds, keylen):
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86 digest_size = 20 # sha1 generates 20-byte blocks
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87 total_blocks = int((keylen+digest_size-1)/digest_size)
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88 hmac_template = HMAC(password, None, sha1)
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89 out = _bempty
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90 for i in range(1, total_blocks+1):
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91 hmac = hmac_template.copy()
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92 hmac.update(salt + pack(">L",i))
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93 block = tmp = hmac.digest()
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94 for j in range(rounds-1):
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95 hmac = hmac_template.copy()
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96 hmac.update(tmp)
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97 tmp = hmac.digest()
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98 #TODO: need to speed up this call
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99 block = xor_bytes(block, tmp)
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100 out += block
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101 return out[:keylen]
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102
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103 def ssha(password, salt):
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104 ''' Make ssha digest from password and salt.
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105 Based on code of Roberto Aguilar <roberto@baremetal.io>
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106 https://gist.github.com/rca/7217540
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107 '''
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108 shaval = sha1(password)
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109 shaval.update( salt )
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110 ssha_digest = b64encode( shaval.digest() + salt ).strip()
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111 return ssha_digest
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112
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113 def pbkdf2(password, salt, rounds, keylen):
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114 """pkcs#5 password-based key derivation v2.0
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115
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116 :arg password: passphrase to use to generate key (if unicode, converted to utf-8)
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117 :arg salt: salt bytes to use when generating key
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118 :param rounds: number of rounds to use to generate key
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119 :arg keylen: number of bytes to generate
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120
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121 If hashlib supports pbkdf2, uses it's implementation as backend.
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122
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123 :returns:
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124 raw bytes of generated key
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125 """
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126 password = s2b(us2s(password))
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127 if keylen > 40:
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128 #NOTE: pbkdf2 allows up to (2**31-1)*20 bytes,
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diff changeset
129 # but m2crypto has issues on some platforms above 40,
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diff changeset
130 # and such sizes aren't needed for a password hash anyways...
5378
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parents: 5356
diff changeset
131 raise ValueError("key length too large")
4480
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diff changeset
132 if rounds < 1:
5378
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parents: 5356
diff changeset
133 raise ValueError("rounds must be positive number")
4480
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diff changeset
134 return _pbkdf2(password, salt, rounds, keylen)
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diff changeset
135
1905
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diff changeset
136 class PasswordValueError(ValueError):
4089
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parents: 3439
diff changeset
137 """ The password value is not valid """
1905
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diff changeset
138 pass
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diff changeset
139
4484
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diff changeset
140 def pbkdf2_unpack(pbkdf2):
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
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parents: 4483
diff changeset
141 """ unpack pbkdf2 encrypted password into parts,
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parents: 4483
diff changeset
142 assume it has format "{rounds}${salt}${digest}
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diff changeset
143 """
5416
56c9bcdea47f Python 3 preparation: unicode.
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diff changeset
144 pbkdf2 = us2s(pbkdf2)
4484
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diff changeset
145 try:
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parents: 4483
diff changeset
146 rounds, salt, digest = pbkdf2.split("$")
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diff changeset
147 except ValueError:
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diff changeset
148 raise PasswordValueError("invalid PBKDF2 hash (wrong number of separators)")
4484
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diff changeset
149 if rounds.startswith("0"):
5378
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diff changeset
150 raise PasswordValueError("invalid PBKDF2 hash (zero-padded rounds)")
4484
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diff changeset
151 try:
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diff changeset
152 rounds = int(rounds)
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diff changeset
153 except ValueError:
5378
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diff changeset
154 raise PasswordValueError("invalid PBKDF2 hash (invalid rounds)")
4484
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diff changeset
155 raw_salt = h64decode(salt)
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
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diff changeset
156 return rounds, salt, raw_salt, digest
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157
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diff changeset
158 def encodePassword(plaintext, scheme, other=None, config=None):
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diff changeset
159 """Encrypt the plaintext password.
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diff changeset
160 """
1343
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diff changeset
161 if plaintext is None:
2e557762ee87 fixed handling of missing password [SF#655632]
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diff changeset
162 plaintext = ""
4480
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diff changeset
163 if scheme == "PBKDF2":
1613754d2646 Fix first part of Password handling security issue2550688
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diff changeset
164 if other:
4484
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diff changeset
165 rounds, salt, raw_salt, digest = pbkdf2_unpack(other)
4480
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166 else:
5488
52cb53eedf77 reworked random number use
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diff changeset
167 raw_salt = random_.token_bytes(20)
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diff changeset
168 salt = h64encode(raw_salt)
4486
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diff changeset
169 if config:
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diff changeset
170 rounds = config.PASSWORD_PBKDF2_DEFAULT_ROUNDS
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diff changeset
171 else:
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172 rounds = 10000
4480
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173 if rounds < 1000:
5378
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diff changeset
174 raise PasswordValueError("invalid PBKDF2 hash (rounds too low)")
4480
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diff changeset
175 raw_digest = pbkdf2(plaintext, raw_salt, rounds, 20)
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diff changeset
176 return "%d$%s$%s" % (rounds, salt, h64encode(raw_digest))
5053
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diff changeset
177 elif scheme == 'SSHA':
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diff changeset
178 if other:
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parents: 4982
diff changeset
179 raw_other = b64decode(other)
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diff changeset
180 salt = raw_other[20:]
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diff changeset
181 else:
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diff changeset
182 #new password
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diff changeset
183 # variable salt length
5488
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diff changeset
184 salt_len = random_.randbelow(52-36) + 36
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parents: 5483
diff changeset
185 salt = random_.token_bytes(salt_len)
5454
fbbcbfc6dad0 fix encoding for hash functions
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parents: 5428
diff changeset
186 s = ssha(s2b(plaintext), salt)
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diff changeset
187 elif scheme == 'SHA':
5454
fbbcbfc6dad0 fix encoding for hash functions
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parents: 5428
diff changeset
188 s = sha1(s2b(plaintext)).hexdigest()
2277
c9e52addda42 added MD5 scheme for password hiding
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parents: 2098
diff changeset
189 elif scheme == 'MD5':
5454
fbbcbfc6dad0 fix encoding for hash functions
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parents: 5428
diff changeset
190 s = md5(s2b(plaintext)).hexdigest()
1229
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diff changeset
191 elif scheme == 'crypt' and crypt is not None:
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diff changeset
192 if other is not None:
3434
1f860b50fa5f encodePassword: don't trim the salt string...
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diff changeset
193 salt = other
1229
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diff changeset
194 else:
5415
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parents: 5414
diff changeset
195 saltchars = './0123456789'+string.ascii_letters
5488
52cb53eedf77 reworked random number use
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parents: 5483
diff changeset
196 salt = random_.choice(saltchars) + random_.choice(saltchars)
1229
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diff changeset
197 s = crypt.crypt(plaintext, salt)
270
a4241ddd22d7 Added the Password property type.
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diff changeset
198 elif scheme == 'plaintext':
1229
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diff changeset
199 s = plaintext
270
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parents:
diff changeset
200 else:
5378
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diff changeset
201 raise PasswordValueError('Unknown encryption scheme %r'%scheme)
270
a4241ddd22d7 Added the Password property type.
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parents:
diff changeset
202 return s
a4241ddd22d7 Added the Password property type.
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parents:
diff changeset
203
4760
efdce3d32698 Increase generated password length to 12 symbols.
anatoly techtonik <techtonik@gmail.com>
parents: 4683
diff changeset
204 def generatePassword(length=12):
5415
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parents: 5414
diff changeset
205 chars = string.ascii_letters+string.digits
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
206 password = [random_.choice(chars) for x in range(length - 1)]
4760
efdce3d32698 Increase generated password length to 12 symbols.
anatoly techtonik <techtonik@gmail.com>
parents: 4683
diff changeset
207 # make sure there is at least one digit
5488
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Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
208 digitidx = random_.randbelow(length)
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
209 password[digitidx:digitidx] = [random_.choice(string.digits)]
4760
efdce3d32698 Increase generated password length to 12 symbols.
anatoly techtonik <techtonik@gmail.com>
parents: 4683
diff changeset
210 return ''.join(password)
1583
caae7d8934dc set new email rego user password to random string
Richard Jones <richard@users.sourceforge.net>
parents: 1343
diff changeset
211
4483
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
212 class JournalPassword:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
213 """ Password dummy instance intended for journal operation.
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
214 We do not store passwords in the journal any longer. The dummy
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
215 version only reads the encryption scheme from the given
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
216 encrypted password.
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
217 """
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
218 default_scheme = 'PBKDF2' # new encryptions use this scheme
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parents: 4480
diff changeset
219 pwre = re.compile(r'{(\w+)}(.+)')
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
220
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
221 def __init__ (self, encrypted=''):
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
222 if isinstance(encrypted, self.__class__):
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
223 self.scheme = encrypted.scheme or self.default_scheme
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
224 else:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
225 m = self.pwre.match(encrypted)
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
226 if m:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
227 self.scheme = m.group(1)
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
228 else:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
229 self.scheme = self.default_scheme
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
230 self.password = ''
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
231
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
232 def dummystr(self):
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
233 """ return dummy string to store in journal
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
234 - reports scheme, but nothing else
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
235 """
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
236 return "{%s}*encrypted*" % (self.scheme,)
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
237
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
238 __str__ = dummystr
22bc0426e348 Second patch from issue2550688 -- with some changes:
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parents: 4480
diff changeset
239
5414
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Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
240 def __eq__(self, other):
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
241 """Compare this password against another password."""
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
242 # check to see if we're comparing instances
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
243 if isinstance(other, self.__class__):
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
244 if self.scheme != other.scheme:
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
245 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
246 return self.password == other.password
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
247
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
248 # assume password is plaintext
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
249 if self.password is None:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
250 raise ValueError('Password not set')
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
251 return self.password == encodePassword(other, self.scheme,
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
252 self.password or None)
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
253
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
254 def __ne__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
255 return not self.__eq__(other)
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
256
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
257 class Password(JournalPassword):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
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258 """The class encapsulates a Password property type value in the database.
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259
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260 The encoding of the password is one if None, 'SHA', 'MD5' or 'plaintext'.
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261 The encodePassword function is used to actually encode the password from
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262 plaintext. The None encoding is used in legacy databases where no
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263 encoding scheme is identified.
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264
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265 The scheme is stored with the encoded data in the database:
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266 {scheme}data
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267
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268 Example usage:
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269 >>> p = Password('sekrit')
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270 >>> p == 'sekrit'
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271 1
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272 >>> p != 'not sekrit'
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273 1
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274 >>> 'sekrit' == p
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275 1
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276 >>> 'not sekrit' != p
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277 1
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278 """
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279 #TODO: code to migrate from old password schemes.
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280
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281 deprecated_schemes = ["SHA", "MD5", "crypt", "plaintext"]
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282 known_schemes = ["PBKDF2", "SSHA"] + deprecated_schemes
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283
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284 def __init__(self, plaintext=None, scheme=None, encrypted=None, strict=False, config=None):
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285 """Call setPassword if plaintext is not None."""
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286 if scheme is None:
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287 scheme = self.default_scheme
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288 if plaintext is not None:
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289 self.setPassword (plaintext, scheme, config=config)
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290 elif encrypted is not None:
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291 self.unpack(encrypted, scheme, strict=strict, config=config)
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292 else:
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293 self.scheme = self.default_scheme
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294 self.password = None
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295 self.plaintext = None
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296
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297 def __repr__(self):
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298 return self.__str__()
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299
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300 def needs_migration(self):
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301 """ Password has insecure scheme or other insecure parameters
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302 and needs migration to new password scheme
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303 """
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304 if self.scheme in self.deprecated_schemes:
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305 return True
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306 rounds, salt, raw_salt, digest = pbkdf2_unpack(self.password)
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307 if rounds < 1000:
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308 return True
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309 return False
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310
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311 def unpack(self, encrypted, scheme=None, strict=False, config=None):
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312 """Set the password info from the scheme:<encryted info> string
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313 (the inverse of __str__)
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314 """
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315 m = self.pwre.match(encrypted)
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316 if m:
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317 self.scheme = m.group(1)
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318 self.password = m.group(2)
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319 self.plaintext = None
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320 else:
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321 # currently plaintext - encrypt
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322 self.setPassword(encrypted, scheme, config=config)
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323 if strict and self.scheme not in self.known_schemes:
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324 raise PasswordValueError("Unknown encryption scheme: %r" % (self.scheme,))
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325
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326 def setPassword(self, plaintext, scheme=None, config=None):
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327 """Sets encrypts plaintext."""
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328 if scheme is None:
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329 scheme = self.default_scheme
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330 self.scheme = scheme
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331 self.password = encodePassword(plaintext, scheme, config=config)
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332 self.plaintext = plaintext
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333
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334 def __str__(self):
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335 """Stringify the encrypted password for database storage."""
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336 if self.password is None:
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337 raise ValueError('Password not set')
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338 return '{%s}%s'%(self.scheme, self.password)
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339
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340 def test():
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341 # SHA
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342 p = Password('sekrit')
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343 assert p == 'sekrit'
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344 assert p != 'not sekrit'
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345 assert 'sekrit' == p
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346 assert 'not sekrit' != p
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347
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348 # MD5
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349 p = Password('sekrit', 'MD5')
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350 assert p == 'sekrit'
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351 assert p != 'not sekrit'
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352 assert 'sekrit' == p
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353 assert 'not sekrit' != p
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354
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355 # crypt
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356 if crypt: # not available on Windows
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357 p = Password('sekrit', 'crypt')
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358 assert p == 'sekrit'
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359 assert p != 'not sekrit'
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360 assert 'sekrit' == p
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361 assert 'not sekrit' != p
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362
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363 # SSHA
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364 p = Password('sekrit', 'SSHA')
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365 assert p == 'sekrit'
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366 assert p != 'not sekrit'
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367 assert 'sekrit' == p
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368 assert 'not sekrit' != p
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369
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370 # PBKDF2 - low level function
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371 from binascii import unhexlify
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372 k = pbkdf2("password", b"ATHENA.MIT.EDUraeburn", 1200, 32)
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373 assert k == unhexlify("5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddbc5e5142f708a31e2e62b1e13")
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374
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375 # PBKDF2 - hash function
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376 h = "5000$7BvbBq.EZzz/O0HuwX3iP.nAG3s$g3oPnFFaga2BJaX5PoPRljl4XIE"
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377 assert encodePassword("sekrit", "PBKDF2", h) == h
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378
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379 # PBKDF2 - high level integration
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380 p = Password('sekrit', 'PBKDF2')
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381 assert p == 'sekrit'
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382 assert p != 'not sekrit'
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383 assert 'sekrit' == p
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384 assert 'not sekrit' != p
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385
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386 if __name__ == '__main__':
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387 test()
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388
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diff changeset
389 # vim: set filetype=python sts=4 sw=4 et si :
Roundup Issue Tracker: http://roundup-tracker.org/