Barter authentication package
Project description
Barter authentication package
This package allows you to authorize users through a shared redis
Install package
pip install barter-auth
Define env variables
REDIS_AUTH_URL
default 'redis://localhost:6378/1' # depracatedREDIS_AUTH_HOST
default '127.0.0.1'REDIS_AUTH_PORT
default 6379REDIS_AUTH_PASSWORD
default NoneREDIS_AUTH_DB
default 0REDIS_AUTH_ACCESS_PREFIX
default = 'access'REDIS_AUTH_REFRESH_PREFIX
default = 'refresh'REDIS_AUTH_TOTP_PREFIX
default = 'totp'REDIS_AUTH_PROFILE_PREFIX
default = 'profile'REDIS_AUTH_TOKEN_STORAGE
default = 'headers'
Use in view
# in django
from rest_framework.permissions import AllowAny, IsAuthenticated
from barter_auth.auth import ApiTokenRedisAuthentication
class SomeView(APIView):
authentication_classes = [ApiTokenRedisAuthentication]
permission_classes = [IsAuthenticated]
# barter_auth BaseUser() is available in request.user in DRF APIView
Use in AppConfig for request.profie
# you can add request user or profile in apps django config <app_name>.apps.py
from django.apps import AppConfig
from django.http import HttpRequest
def get_profile(self):
from barter_auth.providers import RedisProfileClient
from barter_auth.models import AnonymousProfile
if self.user.is_authenticated:
try:
return RedisProfileClient().get_model(uuid=self.headers.get('Profile'))
except:
pass
return AnonymousProfile()
class ProfilesConfig(AppConfig):
name = "apps.<appp_name>"
def ready(self):
HttpRequest.profile = property(get_profile)
in the same way for request.extuser
# you can add request user or profile in apps django config <app_name>.apps.py
from django.apps import AppConfig
from django.http import HttpRequest
def get_user(self):
from barter_auth.providers import RedisAccessClient
from barter_auth.auth import (
get_token_from_header, get_token_from_cookies,
)
from django.contrib.auth.models import AnonymousUser
token = get_token_from_header(self)
if not token:
token = get_token_from_cookies(self)
if token:
token_service = RedisAccessClient()
user = token_service.get_user(token)
return user or AnonymousUser()
return AnonymousUser()
class ProfilesConfig(AppConfig):
name = "apps.<appp_name>"
def ready(self):
HttpRequest.extuser = property(get_user)
# in settings
REST_FRAMEWORK = {
"DEFAULT_AUTHENTICATION_CLASSES": [
"barter_auth.auth.ApiTokenRedisAuthentication",
],
"EXCEPTION_HANDLER": '<your path>.api_exception_handler',
# ...
}
# file with api_exception_handler
from rest_framework.response import Response
from rest_framework.views import exception_handler, set_rollback
from barter_auth.exceptions import BAuthAPIException
def api_exception_handler(exc, context):
# Call REST framework's default exception handler first,
# to get the standard error response.
if isinstance(exc, BAuthAPIException):
headers = {}
if getattr(exc, 'auth_header', None):
headers['WWW-Authenticate'] = exc.auth_header
if getattr(exc, 'wait', None):
headers['Retry-After'] = '%d' % exc.wait
if isinstance(exc.detail, (list, dict)):
data = exc.detail
else:
data = {'detail': exc.detail}
set_rollback()
return Response(data, status=exc.status_code, headers=headers)
response = exception_handler(exc, context)
# Now add the HTTP status code to the response.
if response is not None:
response.data['status_code'] = response.status_code
return response
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