62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
from django.db import models
|
|
from django.contrib.auth.models import Permission, AbstractUser
|
|
from knox.models import AuthToken
|
|
|
|
from inventory.models import Event
|
|
|
|
|
|
class ExtendedUser(AbstractUser):
|
|
permissions = models.ManyToManyField(Permission, through='EventPermission', through_fields=('user', 'permission'))
|
|
|
|
class Meta:
|
|
verbose_name = 'Extended user'
|
|
verbose_name_plural = 'Extended users'
|
|
|
|
def get_permissions(self):
|
|
if self.is_superuser:
|
|
for permission in Permission.objects.all():
|
|
yield "*:" + permission.codename
|
|
for permission in self.user_permissions.all():
|
|
yield "*:" + permission.codename
|
|
for group in self.groups.all():
|
|
for permission in group.permissions.all():
|
|
yield "*:" + permission.codename
|
|
for permission in self.event_permissions.all():
|
|
yield permission.event.slug + ":" + permission.permission.codename
|
|
|
|
def has_event_perm(self, event, permission):
|
|
if self.is_superuser:
|
|
return True
|
|
permissions = set(self.get_permissions())
|
|
if "*:" + permission in permissions:
|
|
return True
|
|
if event.slug + ":" + permission in permissions:
|
|
return True
|
|
return False
|
|
|
|
|
|
class ExtendedAuthToken(AuthToken):
|
|
permissions = models.ManyToManyField('EventPermission', through='AuthTokenEventPermissions',
|
|
through_fields=('token', 'permission'))
|
|
|
|
class Meta:
|
|
verbose_name = 'Extended auth token'
|
|
verbose_name_plural = 'Extended auth tokens'
|
|
|
|
|
|
class EventPermission(models.Model):
|
|
user = models.ForeignKey(ExtendedUser, on_delete=models.CASCADE, related_name='event_permissions')
|
|
permission = models.ForeignKey(Permission, on_delete=models.CASCADE)
|
|
event = models.ForeignKey(Event, on_delete=models.CASCADE, null=True, blank=True)
|
|
|
|
class Meta:
|
|
unique_together = ('user', 'permission', 'event')
|
|
|
|
|
|
class AuthTokenEventPermissions(models.Model):
|
|
token = models.ForeignKey(ExtendedAuthToken, on_delete=models.CASCADE)
|
|
permission = models.ForeignKey(EventPermission, on_delete=models.CASCADE)
|
|
event = models.ForeignKey(Event, on_delete=models.CASCADE)
|
|
|
|
class Meta:
|
|
unique_together = ('token', 'permission', 'event')
|