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authentik/passbook/oidc_provider/lib.py

30 lines
1.1 KiB
Python

"""OIDC Permission checking"""
from django.contrib import messages
from django.shortcuts import redirect
from structlog import get_logger
from passbook.core.models import Application
from passbook.policy.engine import PolicyEngine
LOGGER = get_logger()
def check_permissions(request, user, client):
"""Check permissions, used for
https://django-oidc-provider.readthedocs.io/en/latest/
sections/settings.html#oidc-after-userlogin-hook"""
try:
application = client.openidprovider.application
except Application.DoesNotExist:
return redirect('passbook_oauth_provider:oauth2-permission-denied')
LOGGER.debug("Checking permissions of %s on application %s...", user, application)
policy_engine = PolicyEngine(application.policies.all())
policy_engine.for_user(user).with_request(request).build()
# Check permissions
passing, policy_messages = policy_engine.result
if not passing:
for policy_message in policy_messages:
messages.error(request, policy_message)
return redirect('passbook_oauth_provider:oauth2-permission-denied')
return None