51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
# authentic2-auth-fc - authentic2 authentication for FranceConnect
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# Copyright (C) 2019 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import json
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import logging
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from django.contrib.auth import get_user_model
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from django.contrib.auth.backends import ModelBackend
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from django.core.exceptions import MultipleObjectsReturned, PermissionDenied
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from . import models
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logger = logging.getLogger(__name__)
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User = get_user_model()
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class FcBackend(ModelBackend):
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def authenticate(self, request, sub, token, user_info):
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user = None
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try:
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try:
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account = models.FcAccount.objects.select_related().get(sub=sub)
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except MultipleObjectsReturned:
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account = models.FcAccount.objects.select_related().get(sub=sub, order=0)
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except models.FcAccount.DoesNotExist:
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return None
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if not account.user.is_active:
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logger.info('auth_fc: login refused for user %s, it is inactive', user)
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raise PermissionDenied
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return account.user
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def get_saml2_authn_context(self):
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import lasso
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return lasso.SAML2_AUTHN_CONTEXT_PASSWORD_PROTECTED_TRANSPORT
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