authentic/src/authentic2_auth_fc/authenticators.py

82 lines
3.0 KiB
Python

# authentic2-auth-fc - authentic2 authentication for FranceConnect
# Copyright (C) 2019 Entr'ouvert
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from django.template.loader import render_to_string
from django.template.response import TemplateResponse
from django.utils.translation import gettext_noop
from authentic2 import app_settings as a2_app_settings
from authentic2 import utils as a2_utils
from authentic2.authenticators import BaseAuthenticator
from authentic2.utils import redirect_to_login
from . import app_settings
class FcAuthenticator(BaseAuthenticator):
id = 'fc'
priority = -1
def enabled(self):
return app_settings.enable and app_settings.client_id and app_settings.client_secret
def name(self):
return gettext_noop('FranceConnect')
def id(self):
return 'fc'
def autorun(self, request, block_id):
return redirect_to_login(request, login_url='fc-login-or-link')
def login(self, request, *args, **kwargs):
if 'nofc' in request.GET:
return
fc_user_info = request.session.get('fc_user_info')
context = kwargs.pop('context', {}).copy()
context.update(
{
'about_url': app_settings.about_url,
'fc_user_info': fc_user_info,
}
)
context['login_url'] = a2_utils.make_url('fc-login-or-link', keep_params=True, request=request)
context['block-extra-css-class'] = 'fc-login'
template = 'authentic2_auth_fc/login.html'
return TemplateResponse(request, template, context)
def profile(self, request, *args, **kwargs):
# We prevent unlinking if the user has no usable password and can't change it
# because we assume that the password is the unique other mean of authentication
# and unlinking would make the account unreachable.
unlink = request.user.has_usable_password() or a2_app_settings.A2_REGISTRATION_CAN_CHANGE_PASSWORD
account_path = a2_utils.reverse('account_management')
params = {
'next': account_path,
}
link_url = a2_utils.make_url('fc-login-or-link', params=params)
context = kwargs.pop('context', {}).copy()
context.update(
{
'unlink': unlink,
'about_url': app_settings.about_url,
'link_url': link_url,
}
)
return render_to_string('authentic2_auth_fc/linking.html', context, request=request)