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AccessPermission.unique_key

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This commit is contained in:
Laura Klünder 2017-12-19 12:19:31 +01:00
parent 8900a70d2a
commit b852ef708e
3 changed files with 59 additions and 10 deletions
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32
src/c3nav/mapdata/models/access.py
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@ -55,8 +55,14 @@ class AccessPermissionToken(models.Model):
unlimited = models.BooleanField(default=False, db_index=True, verbose_name=_('unlimited'))
redeemed = models.BooleanField(default=False, db_index=True, verbose_name=_('redeemed'))
can_grant = models.BooleanField(default=False, db_index=True, verbose_name=_('can grant'))
unique_key = models.CharField(max_length=32, null=True, verbose_name=_('unique key'))
data = models.BinaryField()
class Meta:
verbose_name = _('Access Permission Token')
verbose_name_plural = _('Access Permission Tokens')
default_related_name = 'accessrestriction_tokens'
@property
def restrictions(self) -> Sequence[AccessPermissionTokenItem]:
return pickle.loads(self.data)
@ -76,15 +82,19 @@ class AccessPermissionToken(models.Model):
raise self.RedeemError('No longer valid.')
if user:
for restriction in self.restrictions:
AccessPermission.objects.create(
user=user,
access_restriction_id=restriction.pk,
author_id=self.author_id,
expire_date=restriction.expire_date,
can_grant=self.can_grant,
token=self if self.pk else None,
)
with transaction.atomic():
if self.author_id and self.unique_key:
AccessPermission.objects.filter(author_id=self.author_id, unique_key=self.unique_key).delete()
for restriction in self.restrictions:
AccessPermission.objects.create(
user=user,
access_restriction_id=restriction.pk,
author_id=self.author_id,
expire_date=restriction.expire_date,
can_grant=self.can_grant,
unique_key=self.unique_key,
token=self if self.pk else None,
)
if self.pk and not self.unlimited:
self.redeemed = True
@ -105,6 +115,7 @@ class AccessPermission(models.Model):
can_grant = models.BooleanField(default=False, verbose_name=_('can grant'))
author = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, on_delete=models.SET_NULL,
related_name='authored_access_permissions', verbose_name=_('Author'))
unique_key = models.CharField(max_length=32, null=True, verbose_name=_('unique key'))
token = models.ForeignKey(AccessPermissionToken, null=True, on_delete=models.CASCADE,
verbose_name=_('Access permission token'))
@ -112,6 +123,9 @@ class AccessPermission(models.Model):
verbose_name = _('Access Permission')
verbose_name_plural = _('Access Permissions')
default_related_name = 'accesspermissions'
unique_together = (
('author', 'unique_key')
)
@staticmethod
def user_access_permission_key(user_id):