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from __future__ import absolute_import
from django.utils.version import get_complete_version
from django.contrib.auth.backends import RemoteUserBackend
from django_webtest.compat import from_wsgi_safe_string
class WebtestUserBackend(RemoteUserBackend):
""" Auth backend for django-webtest auth system """
# Although it appears that we're just creating work for ourselves here
# because we're calling super(WebtestUserBackend, self).authenticate with
# unchanged arguments, what matters is the name of the arguments.
# Specifically, django.contrib.auth.authenticate looks at the names of the
# arguments of a backend's authenticate method to decide whether the
# backend can be used to authenticate a particular request.
if get_complete_version() >= (1, 11):
def authenticate(self, request, django_webtest_user):
return super(WebtestUserBackend, self).authenticate(
request, django_webtest_user)
else:
def authenticate(self, django_webtest_user):
return super(WebtestUserBackend, self).authenticate(
django_webtest_user)
def clean_username(self, username):
return from_wsgi_safe_string(username)
class WebtestUserWithoutPermissionsBackend(WebtestUserBackend):
"""
Auth backend that passes-through any permission check to further backends
"""
def get_perm(self, user_obj, perm, obj=None):
# Indicate that this backend does not handle permissions and
# allow Django's django.contrib.auth.models._user_has_perm
# utility to move on to other enabled authentication backends.
return False
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