Общая библиотека контроля доступа для микросервисов
Project description
Общая библиотека контроля доступа для микросервисов
Подключение
settings.py:
INSTALLED_APPS = [
# другие приложение
'testapp.core',
'librbac', # для management команды rbac
'librbac.contrib.migrations', # для поддержки миграций
]
# Опционально.
# Подойдёт любая имплементация, где `request.user` поддерживает `librbac.domain.permissions.UserProtocol`
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
REST_FRAMEWORK = {
'DEFAULT_AUTHENTICATION_CLASSES': (
'oidc_auth.authentication.JSONWebTokenAuthentication',
),
}
OIDC_AUTH = {
# URL сервиса аутентификации, необходимо указать своё значение
'OIDC_ENDPOINT': 'http://testserver/oauth',
# Функция преобразующая токен в объект пользователя. Указать как есть.
'OIDC_RESOLVE_USER_FUNCTION': 'librbac.contrib.oidc.auth.get_user_from_token',
# Заголовок в котором хранится токен. Указать как есть.
'JWT_AUTH_HEADER_PREFIX': 'Bearer',
# The Claims Options can now be defined by a static string.
# ref: https://docs.authlib.org/en/latest/jose/jwt.html#jwt-payload-claims-validation
# The old OIDC_AUDIENCES option is removed in favor of this new option.
# `aud` is only required, when you set it as an essential claim.
'OIDC_CLAIMS_OPTIONS': {
'iss': {
'essential': True,
}
},
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
testapp/__init__.py:
from typing import TYPE_CHECKING
from explicit.contrib.messagebus.event_registry import Registry
if TYPE_CHECKING:
from explicit.messagebus.messagebus import MessageBus # noqa
default_app_config = f'{__package__}.apps.AppConfig'
bus: 'MessageBus'
event_registry = Registry()
testapp/apps.py:
from django.apps.config import AppConfig as AppConfigBase
class AppConfig(AppConfigBase):
name = __package__
_rbac_permissions_topic = 'test.rbac.permission'
def _bootstrap(self):
"""Предоставление общей шины ядра."""
...
def _setup_rbac(self):
from librbac.infrastructure.rest_framework.collector import (
AppsPermissionsCollector)
from librbac.infrastructure.rest_framework.backend import (
RestFrameworkBackend)
from librbac.infrastructure.explicit.publisher import (
ServiceBusPublisher)
from librbac.manager import RBACManager
from testapp.core.adapters.messaging import adapter
RBACManager.bootstrap(
collector_cls=AppsPermissionsCollector,
backend_cls=RestFrameworkBackend,
publisher=ServiceBusPublisher(adapter=adapter, topic=self._rbac_permissions_topic),
# или если нужно отправлять события в локальную шину
# publisher=LocalBusPermissionsPublisher(bus=bus),
)
# Опционально, если нужны миграции
def _setup_rbac_migrations(self):
from librbac.contrib.migrations import config
from testapp import core
from testapp.core.adapters import messaging
class Config(config.IConfig):
bus = core.bus
adapter = messaging.adapter
rbac_topic_permission = self._rbac_permissions_topic
config.migrations_config = Config()
def ready(self):
self._bootstrap()
self._setup_rbac()
self._setup_rbac_migrations()
testapp/rest/persons/permissions/rules.py
from testapp.core.persons.models import Person
def is_own_person(
context: 'GenericViewSet',
request: 'Request',
user: 'UserProtocol',
):
"""Проверка отношения пользователя к ФЛ."""
person_id = context.get_rbac_rule_data()
user_id = user.pk
return Person.objects.filter(id=person_id, user_id=user_id).exists()
testapp/rest/persons/permissions/__init__.py
from librbac.domain.permissions import PermissionGroup, Permission
from . import rules
PERM_NAMESPACE_TEST = 'test'
PERM_RESOURCE__PERSON = 'person'
PERM__PERSON__READ = Permission(
# (namespace, resource, action, scope)
PERM_NAMESPACE_TEST, PERM_RESOURCE__PERSON, 'read'
)
PERM__PERSON__WRITE_OWN = Permission(
PERM_NAMESPACE_TEST, PERM_RESOURCE__PERSON, 'write', 'own'
)
# Описание разрешений
# -----------------------------------------------------------------------------
permissions = (
(PERM__PERSON__READ, 'Просмотр ФЛ'),
(PERM__PERSON__WRITE_OWN, 'Редактирование своего ФЛ'),
)
dependencies = {
PERM__PERSON__WRITE_OWN: {
PERM__PERSON__READ,
},
}
# Описание связей разделов и групп разрешений
# -----------------------------------------------------------------------------
partitions = {
'Администрирование': (
PermissionGroup(PERM_NAMESPACE_TEST, PERM_RESOURCE__PERSON),
),
}
# Описание правил доступа
# -----------------------------------------------------------------------------
rules = {
PERM__PERSON__WRITE_OWN: (rules.is_own_person,),
}
# Сопоставление представлений с разрешениями (взаимоисключающее с RBACMixin)
# -----------------------------------------------------------------------------
viewset_permission_mapping = {
'testapp.rest.persons.views.PersonViewSet': dict(
create=(PERM__PERSON__WRITE_OWN,),
partial_update=(PERM__PERSON__WRITE_OWN,),
destroy=(PERM__PERSON__WRITE_OWN,),
retrieve=(PERM__PERSON__READ,),
list=(PERM__PERSON__READ,),
)
}
testapp/views.py
from rest_framework.viewsets import ModelViewSet
from librbac.infrastructure.django.rest_framework.viewsets import RBACMixin
from .permissions import PERM__PERSON__READ
from .permissions import PERM__PERSON__WRITE
class PersonViewSet(RBACMixin, ModelViewSet):
# сопоставление действий с разрешениями (взаимоисключающее с permissions.viewset_permission_mapping)
perm_map = dict(
create=(PERM__PERSON__WRITE,),
partial_update=(PERM__PERSON__WRITE,),
destroy=(PERM__PERSON__WRITE,),
retrieve=(PERM__PERSON__READ,),
list=(PERM__PERSON__READ,),
)
...
Миграции разрешений
Описание в модуле миграций
Запуск тестов
$ tox
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