/usr/lib/python2.7/dist-packages/django_openid_auth/store.py is in python-django-auth-openid 0.5-2.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | # django-openid-auth - OpenID integration for django.contrib.auth
#
# Copyright (C) 2007 Simon Willison
# Copyright (C) 2008-2013 Canonical Ltd.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import base64
import time
from openid.association import Association as OIDAssociation
from openid.store.interface import OpenIDStore
from openid.store.nonce import SKEW
from django_openid_auth.models import Association, Nonce
class DjangoOpenIDStore(OpenIDStore):
def __init__(self):
self.max_nonce_age = 6 * 60 * 60 # Six hours
def storeAssociation(self, server_url, association):
try:
assoc = Association.objects.get(
server_url=server_url, handle=association.handle)
except Association.DoesNotExist:
assoc = Association(
server_url=server_url,
handle=association.handle,
secret=base64.encodestring(association.secret),
issued=association.issued,
lifetime=association.lifetime,
assoc_type=association.assoc_type)
else:
assoc.secret = base64.encodestring(association.secret)
assoc.issued = association.issued
assoc.lifetime = association.lifetime
assoc.assoc_type = association.assoc_type
assoc.save()
def getAssociation(self, server_url, handle=None):
assocs = []
if handle is not None:
assocs = Association.objects.filter(
server_url=server_url, handle=handle)
else:
assocs = Association.objects.filter(server_url=server_url)
associations = []
expired = []
for assoc in assocs:
association = OIDAssociation(
assoc.handle, base64.decodestring(assoc.secret), assoc.issued,
assoc.lifetime, assoc.assoc_type
)
if association.getExpiresIn() == 0:
expired.append(assoc)
else:
associations.append((association.issued, association))
for assoc in expired:
assoc.delete()
if not associations:
return None
associations.sort()
return associations[-1][1]
def removeAssociation(self, server_url, handle):
assocs = list(Association.objects.filter(
server_url=server_url, handle=handle))
assocs_exist = len(assocs) > 0
for assoc in assocs:
assoc.delete()
return assocs_exist
def useNonce(self, server_url, timestamp, salt):
if abs(timestamp - time.time()) > SKEW:
return False
try:
ononce = Nonce.objects.get(
server_url__exact=server_url,
timestamp__exact=timestamp,
salt__exact=salt)
except Nonce.DoesNotExist:
ononce = Nonce(
server_url=server_url,
timestamp=timestamp,
salt=salt)
ononce.save()
return True
return False
def cleanupNonces(self, _now=None):
if _now is None:
_now = int(time.time())
expired = Nonce.objects.filter(timestamp__lt=_now - SKEW)
count = expired.count()
if count:
expired.delete()
return count
def cleanupAssociations(self):
now = int(time.time())
expired = Association.objects.extra(
where=['issued + lifetime < %d' % now])
count = expired.count()
if count:
expired.delete()
return count
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