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django-cbim-general-service-1.13.9
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Django app that every service implemented using DJango in CBIM should use
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | django-cbim-general-service-1.13.9 |
| نام | django-cbim-general-service |
| نسخه کتابخانه | 1.13.9 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Massimo Bono |
| ایمیل نویسنده | massimobono1@gmail.com |
| آدرس صفحه اصلی | http://www.cbim.it |
| آدرس اینترنتی | https://pypi.org/project/django-cbim-general-service/ |
| مجوز | commercial |
Introduction
============
This package represents the common setup a generic service app developped by CBIM should
specifies. This is a comprehensive list of what it does
Database
--------
* remove user table
* remove group table
* remove user-group table
* create models for the relationship user-permission and group-permission in order to be first entities:
this needs to be done since authentication in CBIM is handled by an external service and we wish not to
store such information in each service database;
Backends
--------
We provide ``PermissionCacherAuthenticationBackend``\ , which is backend that requires an ``access_token`` in input
for authentication. The authentication scheme is using a JWT token, hence ``graphene-jwt`` is used.
The authentication backends assumes that ``users`` and ``groups`` table are not present in the local database,
but stored in another service. So in the local database there are only the ``user_permission`` and ``group_permissions``
tables. We use the ``user_id`` inside the JWT decoded token to fetch permissions. The permissions are then stored
in the server cache to ease the access. Permissions are retrievable as usual from ``user.get_all_permissions`` or checkable
via ``user.has_perm``.
Pacakges that should not use this app
=====================================
Here there is the list of exceptions:
* user-auth-service: this service provides the authentication and does not needs the models and the migrations from this package
Installation
============
Just pip install it:
.. code-block::
pip install django-cbim-general-service
Configuration
=============
First you need to add the app in INSTALLED_APPS.:
.. code-block::
INSTALLED_APPS += "django_cbim_general_service"
If django_app_graphql is present, be sure to add this after the app. Furthermore, you need to add this app
after the "auth" one.
Then you need to configure graphql:
.. code-block::
INSTALLED_APPS = [
# graphql
'graphene_django',
'django_filters',
# make sure the django_app_graphql is the last app you add!
'django_app_graphql',
]
Be sure to add them at the end of the ``INSTALLED_APPS``\ , otherwise it won't work.
You also need to register a single authentication backend.
.. code-block::
AUTHENTICATION_BACKENDS = [
"PermissionCacherAuthenticationBackend",
]
This is the only backend you will need.
The project uses a cache to store user,roles and permissions in runtime.
You need to add one called ``users``\ :
.. code-block::
CACHES = {
'users': {
'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
'LOCATION': 'users',
}
}
Finally you need to configure ``graphene-jwt`` and ``django-app-graphql`` (if you are using it):
.. code-block::
GRAPHENE = {
"SCHEMA": "django_app_graphql.graphene.schema.schema",
'SCHEMA_OUTPUT': 'graphqls-schema.json',
'SCHEMA_INDENT': 2,
'MIDDLEWARE': [
"graphql_jwt.middleware.JSONWebTokenMiddleware",
"django_app_graphql.middleware.GraphQLStackTraceInErrorMiddleware",
],
}
GRAPHENE_DJANGO_EXTRAS = {
'DEFAULT_PAGINATION_CLASS': 'graphene_django_extras.paginations.LimitOffsetGraphqlPagination',
'DEFAULT_PAGE_SIZE': 20,
'MAX_PAGE_SIZE': 50,
'CACHE_ACTIVE': True,
'CACHE_TIMEOUT': 300 # seconds
}
# see https://django-graphql-jwt.domake.io/en/latest/refresh_token.html
GRAPHQL_JWT = {
# This configures graphqls-jwt to add "token" input at each request to be authenticated
'JWT_ALLOW_ARGUMENT': True,
'JWT_ARGUMENT_NAME': "token",
'JWT_VERIFY_EXPIRATION': True,
'JWT_EXPIRATION_DELTA': timedelta(days=1),
'JWT_ALGORITHM': "HS256",
'JWT_REFRESH_EXPIRATION_DELTA': timedelta(days=7),
'JWT_AUTH_HEADER_PREFIX': "Bearer",
# VERY IMPORTANT TO MAKE EVERYTHING WORK!
'JWT_DECODE_HANDLER': 'django_cbim_general_service.utils.jwt_decoder_handler',
'JWT_PAYLOAD_GET_USERNAME_HANDLER': 'django_cbim_general_service.utils.get_jwt_payload_get_username',
'JWT_GET_USER_BY_NATURAL_KEY_HANDLER': 'django_cbim_general_service.utils.get_user_by_natural_key_handler',
}
DJANGO_APP_GRAPHQL = {
"BACKEND_TYPE": "graphene",
"EXPOSE_GRAPHIQL": True,
"GRAPHQL_SERVER_URL": "",
"ENABLE_GRAPHQL_FEDERATION": True,
"SAVE_GRAPHQL_SCHEMA": os.path.join("output", "schema.graphql"),
"ADD_DUMMY_QUERIES_IF_ABSENT": True,
"ADD_DUMMY_MUTATIONS_IF_ABSENT": True,
}
Documentation
=============
نحوه نصب
نصب پکیج whl django-cbim-general-service-1.13.9:
pip install django-cbim-general-service-1.13.9.whl
نصب پکیج tar.gz django-cbim-general-service-1.13.9:
pip install django-cbim-general-service-1.13.9.tar.gz