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netbox-community-netbox/netbox/users/migrations/0009_replicate_permissions.py
2020-08-07 16:19:18 -04:00

75 lines
2.9 KiB
Python

from django.db import migrations
from django.db.models import Q
ACTIONS = ['view', 'add', 'change', 'delete']
def replicate_permissions(apps, schema_editor):
"""
Replicate all Permission assignments as ObjectPermissions.
"""
Permission = apps.get_model('auth', 'Permission')
ObjectPermission = apps.get_model('users', 'ObjectPermission')
SecretRole = apps.get_model('secrets', 'SecretRole')
# TODO: Optimize this iteration so that ObjectPermissions with identical sets of users and groups
# are combined into a single ObjectPermission instance.
for perm in Permission.objects.select_related('content_type'):
if perm.codename.split('_')[0] in ACTIONS:
action = perm.codename.split('_')[0]
elif perm.codename == 'activate_userkey':
action = 'change'
elif perm.codename == 'run_script':
action = 'run'
else:
action = perm.codename
if perm.group_set.exists() or perm.user_set.exists():
# Handle replication of SecretRole user/group assignments for Secrets
if perm.codename == 'view_secret':
for secretrole in SecretRole.objects.prefetch_related('users', 'groups'):
obj_perm = ObjectPermission(
name=f'{perm.content_type.app_label}.{perm.codename} ({secretrole.name})'[:100],
actions=[action],
constraints={'role__name': secretrole.name}
)
obj_perm.save()
obj_perm.object_types.add(perm.content_type)
# Assign only users/groups who both a) are assigned to the SecretRole and b) have the view_secret
# permission
obj_perm.groups.add(
*list(secretrole.groups.filter(permissions=perm))
)
obj_perm.users.add(*list(secretrole.users.filter(
Q(user_permissions=perm) | Q(groups__permissions=perm)
)))
else:
obj_perm = ObjectPermission(
# Copy name from original Permission object
name=f'{perm.content_type.app_label}.{perm.codename}'[:100],
actions=[action]
)
obj_perm.save()
obj_perm.object_types.add(perm.content_type)
if perm.group_set.exists():
obj_perm.groups.add(*list(perm.group_set.all()))
if perm.user_set.exists():
obj_perm.users.add(*list(perm.user_set.all()))
class Migration(migrations.Migration):
dependencies = [
('users', '0008_objectpermission'),
]
operations = [
migrations.RunPython(
code=replicate_permissions,
reverse_code=migrations.RunPython.noop
)
]