# Общая библиотека контроля доступа для микросервисов
## Подключение
#### settings.py:
```python
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:
```python
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:
```python
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
```python
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
```python
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
```python
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](./src/librbac/contrib/migrations/README.md) в модуле миграций
## Запуск тестов
$ tox
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"description": "# \u041e\u0431\u0449\u0430\u044f \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0434\u043b\u044f \u043c\u0438\u043a\u0440\u043e\u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432\n\n## \u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\n#### settings.py:\n\n```python\nINSTALLED_APPS = [\n # \u0434\u0440\u0443\u0433\u0438\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435\n 'testapp.core',\n 'librbac', # \u0434\u043b\u044f management \u043a\u043e\u043c\u0430\u043d\u0434\u044b rbac\n 'librbac.contrib.migrations', # \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0439\n]\n\n# \u041e\u043f\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e. \n# \u041f\u043e\u0434\u043e\u0439\u0434\u0451\u0442 \u043b\u044e\u0431\u0430\u044f \u0438\u043c\u043f\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f, \u0433\u0434\u0435 `request.user` \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 `librbac.domain.permissions.UserProtocol` \n# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nREST_FRAMEWORK = {\n 'DEFAULT_AUTHENTICATION_CLASSES': (\n 'oidc_auth.authentication.JSONWebTokenAuthentication',\n ),\n}\n\nOIDC_AUTH = {\n # URL \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u044c \u0441\u0432\u043e\u0451 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\n 'OIDC_ENDPOINT': 'http://testserver/oauth',\n \n # \u0424\u0443\u043d\u043a\u0446\u0438\u044f \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u0443\u044e\u0449\u0430\u044f \u0442\u043e\u043a\u0435\u043d \u0432 \u043e\u0431\u044a\u0435\u043a\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u0423\u043a\u0430\u0437\u0430\u0442\u044c \u043a\u0430\u043a \u0435\u0441\u0442\u044c.\n 'OIDC_RESOLVE_USER_FUNCTION': 'librbac.contrib.oidc.auth.get_user_from_token',\n \n # \u0417\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0445\u0440\u0430\u043d\u0438\u0442\u0441\u044f \u0442\u043e\u043a\u0435\u043d. \u0423\u043a\u0430\u0437\u0430\u0442\u044c \u043a\u0430\u043a \u0435\u0441\u0442\u044c.\n 'JWT_AUTH_HEADER_PREFIX': 'Bearer',\n\n # The Claims Options can now be defined by a static string.\n # ref: https://docs.authlib.org/en/latest/jose/jwt.html#jwt-payload-claims-validation\n # The old OIDC_AUDIENCES option is removed in favor of this new option.\n # `aud` is only required, when you set it as an essential claim.\n 'OIDC_CLAIMS_OPTIONS': {\n 'iss': {\n 'essential': True,\n }\n },\n}\n# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n``` \n\n\n#### testapp/__init__.py:\n```python\nfrom typing import TYPE_CHECKING\n\nfrom explicit.contrib.messagebus.event_registry import Registry\n\n\nif TYPE_CHECKING:\n from explicit.messagebus.messagebus import MessageBus # noqa\n\n\ndefault_app_config = f'{__package__}.apps.AppConfig'\n\n\nbus: 'MessageBus'\n\nevent_registry = Registry()\n```\n\n\n\n#### testapp/apps.py:\n\n```python\nfrom django.apps.config import AppConfig as AppConfigBase\n\n\nclass AppConfig(AppConfigBase):\n name = __package__\n\n _rbac_permissions_topic = 'test.rbac.permission'\n\n def _bootstrap(self):\n \"\"\"\u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0431\u0449\u0435\u0439 \u0448\u0438\u043d\u044b \u044f\u0434\u0440\u0430.\"\"\"\n ...\n\n def _setup_rbac(self):\n from librbac.infrastructure.rest_framework.collector import (\n AppsPermissionsCollector)\n from librbac.infrastructure.rest_framework.backend import (\n RestFrameworkBackend)\n from librbac.infrastructure.explicit.publisher import (\n ServiceBusPublisher)\n from librbac.manager import RBACManager\n from testapp.core.adapters.messaging import adapter\n\n RBACManager.bootstrap(\n collector_cls=AppsPermissionsCollector,\n backend_cls=RestFrameworkBackend,\n publisher=ServiceBusPublisher(adapter=adapter, topic=self._rbac_permissions_topic),\n # \u0438\u043b\u0438 \u0435\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0441\u043e\u0431\u044b\u0442\u0438\u044f \u0432 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u0443\u044e \u0448\u0438\u043d\u0443\n # publisher=LocalBusPermissionsPublisher(bus=bus),\n )\n\n # \u041e\u043f\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e, \u0435\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u044b \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0438\n def _setup_rbac_migrations(self):\n from librbac.contrib.migrations import config\n from testapp import core\n from testapp.core.adapters import messaging\n\n class Config(config.IConfig):\n bus = core.bus\n adapter = messaging.adapter\n rbac_topic_permission = self._rbac_permissions_topic\n\n config.migrations_config = Config()\n\n def ready(self):\n self._bootstrap()\n self._setup_rbac()\n self._setup_rbac_migrations()\n\n```\n\n#### testapp/rest/persons/permissions/rules.py\n```python\nfrom testapp.core.persons.models import Person\n\n\ndef is_own_person(\n context: 'GenericViewSet',\n request: 'Request',\n user: 'UserProtocol',\n):\n \"\"\"\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043a \u0424\u041b.\"\"\"\n person_id = context.get_rbac_rule_data()\n\n user_id = user.pk\n return Person.objects.filter(id=person_id, user_id=user_id).exists()\n\n```\n\n\n#### testapp/rest/persons/permissions/__init__.py\n\n```python\n\nfrom librbac.domain.permissions import PermissionGroup, Permission\n\nfrom . import rules\n\nPERM_NAMESPACE_TEST = 'test'\n\nPERM_RESOURCE__PERSON = 'person'\nPERM__PERSON__READ = Permission(\n # (namespace, resource, action, scope)\n PERM_NAMESPACE_TEST, PERM_RESOURCE__PERSON, 'read'\n)\nPERM__PERSON__WRITE_OWN = Permission(\n PERM_NAMESPACE_TEST, PERM_RESOURCE__PERSON, 'write', 'own'\n)\n# \u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0439\n# -----------------------------------------------------------------------------\npermissions = (\n (PERM__PERSON__READ, '\u041f\u0440\u043e\u0441\u043c\u043e\u0442\u0440 \u0424\u041b'),\n (PERM__PERSON__WRITE_OWN, '\u0420\u0435\u0434\u0430\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0432\u043e\u0435\u0433\u043e \u0424\u041b'),\n)\n\ndependencies = {\n PERM__PERSON__WRITE_OWN: {\n PERM__PERSON__READ,\n },\n}\n# \u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0441\u0432\u044f\u0437\u0435\u0439 \u0440\u0430\u0437\u0434\u0435\u043b\u043e\u0432 \u0438 \u0433\u0440\u0443\u043f\u043f \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0439\n# -----------------------------------------------------------------------------\npartitions = {\n '\u0410\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435': (\n PermissionGroup(PERM_NAMESPACE_TEST, PERM_RESOURCE__PERSON),\n ),\n}\n# \u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043f\u0440\u0430\u0432\u0438\u043b \u0434\u043e\u0441\u0442\u0443\u043f\u0430\n# -----------------------------------------------------------------------------\nrules = {\n PERM__PERSON__WRITE_OWN: (rules.is_own_person,),\n}\n\n# \u0421\u043e\u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0441 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u044f\u043c\u0438 (\u0432\u0437\u0430\u0438\u043c\u043e\u0438\u0441\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0435 \u0441 RBACMixin)\n# -----------------------------------------------------------------------------\nviewset_permission_mapping = {\n 'testapp.rest.persons.views.PersonViewSet': dict(\n create=(PERM__PERSON__WRITE_OWN,),\n partial_update=(PERM__PERSON__WRITE_OWN,),\n destroy=(PERM__PERSON__WRITE_OWN,),\n retrieve=(PERM__PERSON__READ,),\n list=(PERM__PERSON__READ,),\n )\n}\n\n```\n\n\n#### testapp/views.py\n```python\nfrom rest_framework.viewsets import ModelViewSet\n\nfrom librbac.infrastructure.django.rest_framework.viewsets import RBACMixin\n\nfrom .permissions import PERM__PERSON__READ\nfrom .permissions import PERM__PERSON__WRITE\n\n\nclass PersonViewSet(RBACMixin, ModelViewSet):\n \n # \u0441\u043e\u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439 \u0441 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u044f\u043c\u0438 (\u0432\u0437\u0430\u0438\u043c\u043e\u0438\u0441\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0435 \u0441 permissions.viewset_permission_mapping)\n perm_map = dict(\n create=(PERM__PERSON__WRITE,),\n partial_update=(PERM__PERSON__WRITE,),\n destroy=(PERM__PERSON__WRITE,),\n retrieve=(PERM__PERSON__READ,),\n list=(PERM__PERSON__READ,),\n )\n\n ...\n```\n\n## \u041c\u0438\u0433\u0440\u0430\u0446\u0438\u0438 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0439\n[\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435](./src/librbac/contrib/migrations/README.md) \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0439\n\n## \u0417\u0430\u043f\u0443\u0441\u043a \u0442\u0435\u0441\u0442\u043e\u0432\n $ tox\n",
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