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properly detect settings.AUTHENTICATION_BACKEND changes for SSO logins

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see: https://github.com/ansible/tower/issues/1979
This commit is contained in:
Ryan Petrello 2018-06-12 14:28:04 -04:00
parent 1733a20094
commit c3bda8e259
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2 changed files with 21 additions and 0 deletions
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15
awx/sso/middleware.py
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@ -8,12 +8,14 @@ import urllib
import six
# Django
from django.conf import settings
from django.utils.functional import LazyObject
from django.shortcuts import redirect
# Python Social Auth
from social_core.exceptions import SocialAuthBaseException
from social_core.utils import social_logger
from social_django import utils
from social_django.middleware import SocialAuthExceptionMiddleware
@ -24,6 +26,19 @@ class SocialAuthMiddleware(SocialAuthExceptionMiddleware):
request.session['social_auth_last_backend'] = callback_kwargs['backend']
def process_request(self, request):
if request.path.startswith('/sso'):
# django-social keeps a list of backends in memory that it gathers
# based on the value of settings.AUTHENTICATION_BACKENDS *at import
# time*:
# https://github.com/python-social-auth/social-app-django/blob/c1e2795b00b753d58a81fa6a0261d8dae1d9c73d/social_django/utils.py#L13
#
# our settings.AUTHENTICATION_BACKENDS can *change*
# dynamically as Tower settings are changed (i.e., if somebody
# configures Github OAuth2 integration), so we need to
# _overwrite_ this in-memory value at the top of every request so
# that we have the latest version
# see: https://github.com/ansible/tower/issues/1979
utils.BACKENDS = settings.AUTHENTICATION_BACKENDS
token_key = request.COOKIES.get('token', '')
token_key = urllib.quote(urllib.unquote(token_key).strip('"'))

6
awx/wsgi.py
View File

@ -13,6 +13,7 @@ from django.core.wsgi import WSGIHandler # NOQA
import django # NOQA
from django.conf import settings # NOQA
from django.urls import resolve # NOQA
import social_django # NOQA
"""
@ -34,6 +35,11 @@ if MODE == 'production':
logger.error("Missing or incorrect metadata for Tower version. Ensure Tower was installed using the setup playbook.")
raise Exception("Missing or incorrect metadata for Tower version. Ensure Tower was installed using the setup playbook.")
if social_django.__version__ != '2.1.0':
raise RuntimeError("social_django version other than 2.1.0 detected {}. \
Confirm that per-request social_django.utils.BACKENDS override \
still works".format(social_django.__version__))
if django.__version__ != '1.11.11':
raise RuntimeError("Django version other than 1.11.11 detected {}. \