1211 lines
51 KiB
Python
1211 lines
51 KiB
Python
# authentic2 - versatile identity manager
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# Copyright (C) 2010-2019 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 collections
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from email.utils import parseaddr
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import logging
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import random
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import re
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from django.conf import settings
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from django.shortcuts import render, get_object_or_404
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from django.template.loader import render_to_string
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from django.views.generic.edit import UpdateView, FormView
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from django.views.generic import TemplateView
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from django.views.generic.base import View
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from django.contrib.auth import SESSION_KEY
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from django import http, shortcuts
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from django.core import signing
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from django.core.urlresolvers import reverse
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from django.core.exceptions import ValidationError
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from django.contrib import messages
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from django.utils import six
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from django.utils.translation import ugettext as _
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from django.contrib.auth import logout as auth_logout
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from django.contrib.auth import REDIRECT_FIELD_NAME
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from django.contrib.auth.views import password_change as dj_password_change
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from django.http import (HttpResponseRedirect, HttpResponseForbidden, HttpResponse)
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from django.views.decorators.csrf import csrf_exempt, ensure_csrf_cookie
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from django.views.decorators.cache import never_cache
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from django.views.decorators.debug import sensitive_post_parameters
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from django.contrib.auth.decorators import login_required
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from django.db.models.fields import FieldDoesNotExist
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from django.db.models.query import Q
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from django.contrib.auth import get_user_model
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from django.http import Http404
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from django.utils.http import urlsafe_base64_decode
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from django.views.generic.edit import CreateView
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from django.forms import CharField, Form
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from django.core.urlresolvers import reverse_lazy
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from django.http import HttpResponseBadRequest
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from django.template import loader
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from . import (utils, app_settings, compat, decorators, constants,
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models, cbv, hooks, validators)
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from .a2_rbac.utils import get_default_ou
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from .a2_rbac.models import OrganizationalUnit as OU
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from .forms import (
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passwords as passwords_forms,
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registration as registration_forms,
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profile as profile_forms)
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User = get_user_model()
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logger = logging.getLogger(__name__)
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def server_error(request, template_name='500.html'):
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"""
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500 error handler.
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Templates: `500.html`
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Context: None
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"""
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return render(request, template_name)
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class EditProfile(cbv.HookMixin, cbv.TemplateNamesMixin, UpdateView):
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model = User
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template_names = ['profiles/edit_profile.html',
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'authentic2/accounts_edit.html']
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title = _('Edit account data')
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def get_template_names(self):
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template_names = []
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if 'scope' in self.kwargs:
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template_names.append('authentic2/accounts_edit_%s.html' % self.kwargs['scope'])
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template_names.extend(self.template_names)
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return template_names
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@classmethod
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def can_edit_profile(cls):
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fields, labels = cls.get_fields()
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return bool(fields) and app_settings.A2_PROFILE_CAN_EDIT_PROFILE
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@classmethod
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def get_fields(cls, scopes=None):
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editable_profile_fields = []
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for field in app_settings.A2_PROFILE_FIELDS:
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if isinstance(field, (list, tuple)):
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field_name = field[0]
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else:
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field_name = field
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try:
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attribute = models.Attribute.objects.get(name=field_name)
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except models.Attribute.DoesNotExist:
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editable_profile_fields.append(field)
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else:
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if attribute.user_editable:
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editable_profile_fields.append(field)
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attributes = models.Attribute.objects.filter(user_editable=True)
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if scopes:
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scopes = set(scopes)
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default_fields = [attribute.name for attribute in attributes if scopes & set(attribute.scopes.split())]
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else:
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default_fields = list(attributes.values_list('name', flat=True))
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fields, labels = utils.get_fields_and_labels(
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editable_profile_fields, default_fields)
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if scopes:
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# restrict fields to those in the scopes
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fields = [field for field in fields if field in default_fields]
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return fields, labels
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def get_form_class(self):
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if 'scope' in self.kwargs:
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scopes = [self.kwargs['scope']]
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else:
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scopes = self.request.GET.get('scope', '').split()
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fields, labels = self.get_fields(scopes=scopes)
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# Email must be edited through the change email view, as it needs validation
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fields = [field for field in fields if field != 'email']
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return profile_forms.modelform_factory(
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User, fields=fields,
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labels=labels,
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form=profile_forms.EditProfileForm)
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def get_object(self):
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return self.request.user
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def get_form_kwargs(self, **kwargs):
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kwargs = super(EditProfile, self).get_form_kwargs(**kwargs)
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kwargs['prefix'] = 'edit-profile'
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kwargs['next_url'] = utils.select_next_url(self.request, reverse('account_management'))
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return kwargs
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def get_success_url(self):
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return utils.select_next_url(
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self.request,
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default=reverse('account_management'),
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field_name='edit-profile-next_url',
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include_post=True)
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def post(self, request, *args, **kwargs):
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if 'cancel' in request.POST:
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return utils.redirect(request, self.get_success_url())
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return super(EditProfile, self).post(request, *args, **kwargs)
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def form_valid(self, form):
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response = super(EditProfile, self).form_valid(form)
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hooks.call_hooks('event', name='edit-profile', user=self.request.user, form=form)
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return response
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edit_profile = decorators.setting_enabled('A2_PROFILE_CAN_EDIT_PROFILE')(
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login_required(EditProfile.as_view()))
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class EmailChangeView(cbv.TemplateNamesMixin, FormView):
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template_names = [
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'profiles/email_change.html',
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'authentic2/change_email.html'
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]
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title = _('Email Change')
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success_url = '..'
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def get_form_class(self):
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if self.request.user.has_usable_password():
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return profile_forms.EmailChangeForm
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return profile_forms.EmailChangeFormNoPassword
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def get_form_kwargs(self):
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kwargs = super(EmailChangeView, self).get_form_kwargs()
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kwargs['user'] = self.request.user
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return kwargs
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def post(self, request, *args, **kwargs):
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if 'cancel' in request.POST:
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return utils.redirect(request, 'account_management')
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return super(EmailChangeView, self).post(request, *args, **kwargs)
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def form_valid(self, form):
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email = form.cleaned_data['email']
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utils.send_email_change_email(self.request.user, email, request=self.request)
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hooks.call_hooks('event', name='change-email', user=self.request.user, email=email)
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messages.info(
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self.request,
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_('Your request for changing your email '
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'is received. An email of validation '
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'was sent to you. Please click on the '
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'link contained inside.'))
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logger.info('email change request')
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return super(EmailChangeView, self).form_valid(form)
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email_change = decorators.setting_enabled('A2_PROFILE_CAN_CHANGE_EMAIL')(
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login_required(EmailChangeView.as_view()))
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class EmailChangeVerifyView(TemplateView):
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def get(self, request, *args, **kwargs):
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if 'token' in request.GET:
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try:
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token = signing.loads(request.GET['token'],
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max_age=app_settings.A2_EMAIL_CHANGE_TOKEN_LIFETIME)
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user_pk = token['user_pk']
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email = token['email']
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user = User.objects.get(pk=user_pk)
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non_unique = False
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if app_settings.A2_EMAIL_IS_UNIQUE:
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non_unique = User.objects.filter(email=email).exclude(pk=user_pk).exists()
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elif user.ou and user.ou.email_is_unique:
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non_unique = User.objects.filter(email=email, ou=user.ou).exclude(
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pk=user_pk).exists()
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if non_unique:
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raise ValidationError(_('This email is already used by another account.'))
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old_email = user.email
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user.email = email
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user.email_verified = True
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user.save()
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messages.info(request,
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_('your request for changing your email for {0} is successful').format(email))
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logger.info('user %s changed its email from %s to %s', user, old_email, email)
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hooks.call_hooks('event', name='change-email-confirm', user=user, email=email)
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except signing.SignatureExpired:
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messages.error(request,
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_('your request for changing your email is too old, try again'))
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except signing.BadSignature:
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messages.error(request,
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_('your request for changing your email is invalid, try again'))
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except ValueError:
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messages.error(request,
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_('your request for changing your email was not on this site, try again'))
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except User.DoesNotExist:
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messages.error(request,
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_('your request for changing your email is for an unknown user, try again'))
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except ValidationError as e:
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messages.error(request, e.message)
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else:
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return shortcuts.redirect('account_management')
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return shortcuts.redirect('email-change')
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email_change_verify = EmailChangeVerifyView.as_view()
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@csrf_exempt
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@ensure_csrf_cookie
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@never_cache
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def login(request, template_name='authentic2/login.html',
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redirect_field_name=REDIRECT_FIELD_NAME):
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"""Displays the login form and handles the login action."""
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# redirect user to homepage if already connected, if setting
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# A2_LOGIN_REDIRECT_AUTHENTICATED_USERS_TO_HOMEPAGE is True
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if (request.user.is_authenticated()
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and app_settings.A2_LOGIN_REDIRECT_AUTHENTICATED_USERS_TO_HOMEPAGE):
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return utils.redirect(request, 'auth_homepage')
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redirect_to = request.GET.get(redirect_field_name)
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if not redirect_to or ' ' in redirect_to:
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redirect_to = settings.LOGIN_REDIRECT_URL
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# Heavier security check -- redirects to http://example.com should
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# not be allowed, but things like /view/?param=http://example.com
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# should be allowed. This regex checks if there is a '//' *before* a
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# question mark.
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elif '//' in redirect_to and re.match(r'[^\?]*//', redirect_to):
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redirect_to = settings.LOGIN_REDIRECT_URL
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nonce = request.GET.get(constants.NONCE_FIELD_NAME)
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authenticators = utils.get_backends('AUTH_FRONTENDS')
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blocks = []
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registration_url = utils.get_registration_url(
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request, service_slug=request.GET.get(constants.SERVICE_FIELD_NAME))
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context = {
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'cancel': nonce is not None,
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'can_reset_password': app_settings.A2_USER_CAN_RESET_PASSWORD is not False,
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'registration_authorized': getattr(settings, 'REGISTRATION_OPEN', True),
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'registration_url': registration_url,
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}
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# Cancel button
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if request.method == "POST" \
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and constants.CANCEL_FIELD_NAME in request.POST:
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return utils.continue_to_next_url(request, params={'cancel': 1})
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# Create blocks
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for authenticator in authenticators:
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# Legacy API
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if not hasattr(authenticator, 'login'):
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fid = authenticator.id
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name = authenticator.name
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form_class = authenticator.form()
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submit_name = 'submit-%s' % fid
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block = {
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'id': fid,
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'name': name,
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'authenticator': authenticator
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}
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if request.method == 'POST' and submit_name in request.POST:
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form = form_class(data=request.POST)
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if form.is_valid():
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if request.session.test_cookie_worked():
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request.session.delete_test_cookie()
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return authenticator.post(request, form, nonce, redirect_to)
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block['form'] = form
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else:
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block['form'] = form_class()
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blocks.append(block)
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else: # New frontends API
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auth_blocks = []
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parameters = {'request': request,
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'context': context}
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# check if the authenticator has multiple instances
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if hasattr(authenticator, 'instances'):
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for instance_id, instance in authenticator.instances(**parameters):
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parameters['instance'] = instance
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parameters['instance_id'] = instance_id
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block = utils.get_authenticator_method(authenticator, 'login', parameters)
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# update block id in order to separate instances
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block['id'] = '%s_%s' % (block['id'], instance_id)
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auth_blocks.append(block)
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else:
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auth_blocks.append(utils.get_authenticator_method(authenticator, 'login', parameters))
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# If a login frontend method returns an HttpResponse with a status code != 200
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# this response is returned.
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for block in auth_blocks:
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if block:
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if block['status_code'] != 200:
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return block['response']
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block['is_hidden'] = False
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blocks.append(block)
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# TODO: remove attribute below after cleaning up the templates
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blocks[-1]['is_hidden'] = False
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# Old frontends API
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for block in blocks:
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fid = block['id']
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if 'form' not in block:
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continue
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authenticator = block['authenticator']
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context.update({
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'submit_name': 'submit-%s' % fid,
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redirect_field_name: redirect_to,
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'form': block['form']
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})
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if hasattr(authenticator, 'get_context'):
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context.update(authenticator.get_context())
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sub_template_name = authenticator.template()
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block['content'] = render_to_string(sub_template_name, context, request=request)
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request.session.set_test_cookie()
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# legacy context variable
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rendered_forms = [(block['name'], block['content']) for block in blocks]
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context.update({
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'methods': rendered_forms,
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# new definition
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'blocks': collections.OrderedDict((block['id'], block) for block in blocks),
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'visible_blocks_count': len([x for x in blocks if not x['is_hidden']]),
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redirect_field_name: redirect_to,
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})
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return render(request, template_name, context)
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def service_list(request):
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'''Compute the service list to show on user homepage'''
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return utils.accumulate_from_backends(request, 'service_list')
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class Homepage(cbv.TemplateNamesMixin, TemplateView):
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template_names = ['idp/homepage.html', 'authentic2/homepage.html']
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def dispatch(self, request, *args, **kwargs):
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if app_settings.A2_HOMEPAGE_URL:
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return utils.redirect(request, app_settings.A2_HOMEPAGE_URL)
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return login_required(super(Homepage, self).dispatch)(request, *args, **kwargs)
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def get_context_data(self, **kwargs):
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ctx = super(Homepage, self).get_context_data(**kwargs)
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ctx['account_management'] = 'account_management'
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ctx['authorized_services'] = service_list(self.request)
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return ctx
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homepage = Homepage.as_view()
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class ProfileView(cbv.TemplateNamesMixin, TemplateView):
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template_names = ['idp/account_management.html', 'authentic2/accounts.html']
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title = _('Your account')
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def dispatch(self, request, *args, **kwargs):
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if app_settings.A2_ACCOUNTS_URL:
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return utils.redirect(request, app_settings.A2_ACCOUNTS_URL)
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return super(ProfileView, self).dispatch(request, *args, **kwargs)
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def get_context_data(self, **kwargs):
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context = super(ProfileView, self).get_context_data(**kwargs)
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frontends = utils.get_backends('AUTH_FRONTENDS')
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request = self.request
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if request.method == "POST":
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for frontend in frontends:
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if 'submit-%s' % frontend.id in request.POST:
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form = frontend.form()(data=request.POST)
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if form.is_valid():
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if request.session.test_cookie_worked():
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request.session.delete_test_cookie()
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return frontend.post(request, form, None, '/profile')
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# User attributes management
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profile = []
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field_names = app_settings.A2_PROFILE_FIELDS
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if not field_names:
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field_names = list(app_settings.A2_REGISTRATION_FIELDS)
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for field_name in getattr(request.user, 'USER_PROFILE', []):
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if field_name not in field_names:
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field_names.append(field_name)
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qs = models.Attribute.objects.filter(Q(user_editable=True) | Q(user_visible=True))
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qs = qs.values_list('name', flat=True)
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for field_name in qs:
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if field_name not in field_names:
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field_names.append(field_name)
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attributes = []
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for field_name in field_names:
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title = None
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if isinstance(field_name, (list, tuple)):
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if len(field_name) > 1:
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title = field_name[1]
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field_name = field_name[0]
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try:
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attribute = models.Attribute.objects.get(name=field_name)
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except models.Attribute.DoesNotExist:
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attribute = None
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if attribute:
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if not attribute.user_visible:
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continue
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html_value = attribute.get_kind().get('html_value', lambda a, b: b)
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qs = models.AttributeValue.objects.with_owner(request.user)
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qs = qs.filter(attribute=attribute)
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qs = qs.select_related()
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value = [at_value.to_python() for at_value in qs]
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value = filter(None, value)
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value = [html_value(attribute, at_value) for at_value in value]
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if not title:
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title = six.text_type(attribute)
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else:
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# fallback to model attributes
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try:
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field = request.user._meta.get_field(field_name)
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except FieldDoesNotExist:
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continue
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if not title:
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title = field.verbose_name
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value = getattr(self.request.user, field_name, None)
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attribute = models.Attribute(name=field_name, label=title)
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raw_value = None
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if value:
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if callable(value):
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value = value()
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if not isinstance(value, (list, tuple)):
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value = (value,)
|
|
raw_value = value
|
|
value = map(six.text_type, value)
|
|
if value or app_settings.A2_PROFILE_DISPLAY_EMPTY_FIELDS:
|
|
profile.append((title, value))
|
|
attributes.append({'attribute': attribute, 'values': raw_value})
|
|
|
|
# Credentials management
|
|
parameters = {'request': request,
|
|
'context': context}
|
|
profiles = [utils.get_authenticator_method(frontend, 'profile', parameters) for frontend in frontends]
|
|
# Old frontends data structure for templates
|
|
blocks = [block['content'] for block in profiles if block]
|
|
# New frontends data structure for templates
|
|
blocks_by_id = collections.OrderedDict((block['id'], block) for block in profiles if block)
|
|
|
|
idp_backends = utils.get_backends()
|
|
# Get actions for federation management
|
|
federation_management = []
|
|
if app_settings.A2_PROFILE_CAN_MANAGE_FEDERATION:
|
|
for idp_backend in idp_backends:
|
|
if hasattr(idp_backend, 'federation_management'):
|
|
federation_management.extend(idp_backend.federation_management(request))
|
|
context.update({
|
|
'frontends_block': blocks,
|
|
'frontends_block_by_id': blocks_by_id,
|
|
'profile': profile,
|
|
'attributes': attributes,
|
|
'allow_account_deletion': app_settings.A2_REGISTRATION_CAN_DELETE_ACCOUNT,
|
|
'allow_profile_edit': EditProfile.can_edit_profile(),
|
|
'allow_email_change': app_settings.A2_PROFILE_CAN_CHANGE_EMAIL,
|
|
# TODO: deprecated should be removed when publik-base-theme is updated
|
|
'allow_password_change': utils.user_can_change_password(request=request),
|
|
'federation_management': federation_management,
|
|
})
|
|
hooks.call_hooks('modify_context_data', self, context)
|
|
return context
|
|
|
|
profile = login_required(ProfileView.as_view())
|
|
|
|
|
|
def logout_list(request):
|
|
'''Return logout links from idp backends'''
|
|
return utils.accumulate_from_backends(request, 'logout_list')
|
|
|
|
|
|
def redirect_logout_list(request):
|
|
'''Return redirect logout links from idp backends'''
|
|
return utils.accumulate_from_backends(request, 'redirect_logout_list')
|
|
|
|
|
|
def logout(request,
|
|
next_url=None,
|
|
do_local=True,
|
|
check_referer=True):
|
|
'''Logout first check if a logout request is authorized, i.e.
|
|
that logout was done using a POST with CSRF token or with a GET
|
|
from the same site.
|
|
|
|
Logout endpoints of IdP module must re-user the view by setting
|
|
check_referer and do_local to False.
|
|
'''
|
|
next_url = next_url or utils.select_next_url(request, settings.LOGIN_REDIRECT_URL)
|
|
|
|
ctx = {}
|
|
ctx['next_url'] = next_url
|
|
ctx['redir_timeout'] = 60
|
|
local_logout_done = False
|
|
|
|
if request.user.is_authenticated():
|
|
if check_referer and not utils.check_referer(request):
|
|
return render(request, 'authentic2/logout_confirm.html', ctx)
|
|
do_local = do_local and 'local' in request.GET
|
|
if not do_local:
|
|
fragments = logout_list(request)
|
|
if fragments:
|
|
# Full logout with iframes
|
|
next_url = utils.make_url('auth_logout', params={'local': 'ok'},
|
|
next_url=next_url,
|
|
sign_next_url=True)
|
|
ctx['next_url'] = next_url
|
|
ctx['logout_list'] = fragments
|
|
ctx['message'] = _('Logging out from all your services')
|
|
return render(request, 'authentic2/logout.html', ctx)
|
|
# Get redirection targets for full logout with redirections
|
|
# (needed before local logout)
|
|
targets = redirect_logout_list(request)
|
|
logger.debug('Accumulated redirections : {}'.format(targets))
|
|
# Local logout
|
|
auth_logout(request)
|
|
logger.info('Logged out')
|
|
local_logout_done = True
|
|
# Last redirection will be the current next_url
|
|
targets.append(next_url)
|
|
# Put redirection targets in session (after local logout)
|
|
request.session['logout_redirections'] = targets
|
|
logger.debug('All planned redirections : {}'.format(targets))
|
|
# Full logout by redirections if any
|
|
targets = request.session.pop('logout_redirections', None)
|
|
if targets:
|
|
# Full logout with redirections
|
|
logger.debug('Redirections queue: {}'.format(targets))
|
|
next_url = targets.pop(0)
|
|
request.session['logout_redirections'] = targets
|
|
logger.debug('Next redirection : {}'.format(next_url))
|
|
response = shortcuts.redirect(next_url)
|
|
if local_logout_done:
|
|
response.set_cookie('a2_just_logged_out', 1, max_age=60)
|
|
return response
|
|
|
|
|
|
def login_password_profile(request, *args, **kwargs):
|
|
context = kwargs.pop('context', {})
|
|
can_change_password = utils.user_can_change_password(request=request)
|
|
has_usable_password = request.user.has_usable_password()
|
|
context.update({
|
|
'can_change_password': can_change_password,
|
|
'has_usable_password': has_usable_password,
|
|
})
|
|
return render_to_string(['auth/login_password_profile.html',
|
|
'authentic2/login_password_profile.html'],
|
|
context, request=request)
|
|
|
|
|
|
class LoggedInView(View):
|
|
'''JSONP web service to detect if an user is logged'''
|
|
http_method_names = [u'get']
|
|
|
|
def check_referrer(self):
|
|
'''Check if the given referer is authorized'''
|
|
referer = self.request.META.get('HTTP_REFERER', '')
|
|
for valid_referer in app_settings.VALID_REFERERS:
|
|
if referer.startswith(valid_referer):
|
|
return True
|
|
return False
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
if not self.check_referrer():
|
|
return HttpResponseForbidden()
|
|
callback = request.GET.get('callback')
|
|
content = u'{0}({1})'.format(callback, int(request.user.is_authenticated()))
|
|
return HttpResponse(content, content_type='application/json')
|
|
|
|
logged_in = never_cache(LoggedInView.as_view())
|
|
|
|
|
|
def csrf_failure_view(request, reason=""):
|
|
messages.warning(request, _('The page is out of date, it was reloaded for you'))
|
|
return HttpResponseRedirect(request.get_full_path())
|
|
|
|
|
|
class PasswordResetView(cbv.NextURLViewMixin, FormView):
|
|
'''Ask for an email and send a password reset link by mail'''
|
|
form_class = passwords_forms.PasswordResetForm
|
|
title = _('Password Reset')
|
|
next_url_default = '/'
|
|
|
|
def get_template_names(self):
|
|
return [
|
|
'authentic2/password_reset_form.html',
|
|
'registration/password_reset_form.html',
|
|
]
|
|
|
|
def get_form_kwargs(self, **kwargs):
|
|
kwargs = super(PasswordResetView, self).get_form_kwargs(**kwargs)
|
|
initial = kwargs.setdefault('initial', {})
|
|
initial['next_url'] = utils.select_next_url(self.request, '')
|
|
return kwargs
|
|
|
|
def get_context_data(self, **kwargs):
|
|
ctx = super(PasswordResetView, self).get_context_data(**kwargs)
|
|
if app_settings.A2_USER_CAN_RESET_PASSWORD is False:
|
|
raise Http404('Password reset is not allowed.')
|
|
ctx['title'] = _('Password reset')
|
|
return ctx
|
|
|
|
def form_valid(self, form):
|
|
form.save()
|
|
# return to next URL
|
|
messages.info(self.request, _('If your email address exists in our '
|
|
'database, you will receive an email '
|
|
'containing instructions to reset '
|
|
'your password'))
|
|
return super(PasswordResetView, self).form_valid(form)
|
|
|
|
password_reset = PasswordResetView.as_view()
|
|
|
|
|
|
class PasswordResetConfirmView(cbv.RedirectToNextURLViewMixin, FormView):
|
|
'''Validate password reset link, show a set password form and login
|
|
the user.
|
|
'''
|
|
form_class = passwords_forms.SetPasswordForm
|
|
title = _('Password Reset')
|
|
|
|
def get_template_names(self):
|
|
return [
|
|
'registration/password_reset_confirm.html',
|
|
'authentic2/password_reset_confirm.html',
|
|
]
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
validlink = True
|
|
uidb64 = kwargs['uidb64']
|
|
self.token = token = kwargs['token']
|
|
|
|
UserModel = get_user_model()
|
|
# checked by URLconf
|
|
assert uidb64 is not None and token is not None
|
|
try:
|
|
uid = urlsafe_base64_decode(uidb64)
|
|
# use authenticate to eventually get an LDAPUser
|
|
self.user = utils.authenticate(request, user=UserModel._default_manager.get(pk=uid))
|
|
except (TypeError, ValueError, OverflowError,
|
|
UserModel.DoesNotExist):
|
|
validlink = False
|
|
messages.warning(request, _('User not found'))
|
|
|
|
if validlink and not compat.default_token_generator.check_token(self.user, token):
|
|
validlink = False
|
|
messages.warning(request, _('You reset password link is invalid or has expired'))
|
|
if not validlink:
|
|
return utils.redirect(request, self.get_success_url())
|
|
can_reset_password = utils.get_user_flag(user=self.user,
|
|
name='can_reset_password',
|
|
default=self.user.has_usable_password())
|
|
if not can_reset_password:
|
|
messages.warning(
|
|
request,
|
|
_('It\'s not possible to reset your password. Please contact an administrator.'))
|
|
return utils.redirect(request, self.get_success_url())
|
|
return super(PasswordResetConfirmView, self).dispatch(request, *args,
|
|
**kwargs)
|
|
|
|
def get_context_data(self, **kwargs):
|
|
ctx = super(PasswordResetConfirmView, self).get_context_data(**kwargs)
|
|
# compatibility with existing templates !
|
|
ctx['title'] = _('Enter new password')
|
|
ctx['validlink'] = True
|
|
return ctx
|
|
|
|
def get_form_kwargs(self):
|
|
kwargs = super(PasswordResetConfirmView, self).get_form_kwargs()
|
|
kwargs['user'] = self.user
|
|
return kwargs
|
|
|
|
def form_valid(self, form):
|
|
# Changing password by mail validate the email
|
|
form.user.email_verified = True
|
|
form.save()
|
|
hooks.call_hooks('event', name='password-reset-confirm', user=form.user, token=self.token,
|
|
form=form)
|
|
logger.info(u'password reset for user %s with token %r',
|
|
self.user, self.token[:9])
|
|
return self.finish()
|
|
|
|
def finish(self):
|
|
return utils.simulate_authentication(self.request, self.user, 'email')
|
|
|
|
password_reset_confirm = PasswordResetConfirmView.as_view()
|
|
|
|
|
|
def valid_token(method):
|
|
def f(request, *args, **kwargs):
|
|
try:
|
|
request.token = signing.loads(kwargs['registration_token'].replace(' ', ''),
|
|
max_age=settings.ACCOUNT_ACTIVATION_DAYS * 3600 * 24)
|
|
except signing.SignatureExpired:
|
|
messages.warning(request, _('Your activation key is expired'))
|
|
return utils.redirect(request, 'registration_register')
|
|
except signing.BadSignature:
|
|
messages.warning(request, _('Activation failed'))
|
|
return utils.redirect(request, 'registration_register')
|
|
return method(request, *args, **kwargs)
|
|
return f
|
|
|
|
|
|
class BaseRegistrationView(FormView):
|
|
form_class = registration_forms.RegistrationForm
|
|
template_name = 'registration/registration_form.html'
|
|
title = _('Registration')
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
if not getattr(settings, 'REGISTRATION_OPEN', True):
|
|
raise Http404('Registration is not open.')
|
|
self.token = {}
|
|
self.ou = get_default_ou()
|
|
# load pre-filled values
|
|
if request.GET.get('token'):
|
|
try:
|
|
self.token = signing.loads(
|
|
request.GET.get('token'),
|
|
max_age=settings.ACCOUNT_ACTIVATION_DAYS * 3600 * 24)
|
|
except (TypeError, ValueError, signing.BadSignature) as e:
|
|
logger.warning(u'registration_view: invalid token: %s', e)
|
|
return HttpResponseBadRequest('invalid token', content_type='text/plain')
|
|
if 'ou' in self.token:
|
|
self.ou = OU.objects.get(pk=self.token['ou'])
|
|
self.next_url = self.token.pop(REDIRECT_FIELD_NAME, utils.select_next_url(request, None))
|
|
return super(BaseRegistrationView, self).dispatch(request, *args, **kwargs)
|
|
|
|
def form_valid(self, form):
|
|
email = form.cleaned_data.pop('email')
|
|
for field in form.cleaned_data:
|
|
self.token[field] = form.cleaned_data[field]
|
|
|
|
# propagate service to the registration completion view
|
|
if constants.SERVICE_FIELD_NAME in self.request.GET:
|
|
self.token[constants.SERVICE_FIELD_NAME] = \
|
|
self.request.GET[constants.SERVICE_FIELD_NAME]
|
|
|
|
self.token.pop(REDIRECT_FIELD_NAME, None)
|
|
self.token.pop('email', None)
|
|
|
|
utils.send_registration_mail(self.request, email, next_url=self.next_url,
|
|
ou=self.ou, **self.token)
|
|
self.request.session['registered_email'] = email
|
|
return utils.redirect(self.request, 'registration_complete', params={REDIRECT_FIELD_NAME: self.next_url})
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(BaseRegistrationView, self).get_context_data(**kwargs)
|
|
parameters = {'request': self.request,
|
|
'context': context}
|
|
blocks = [utils.get_authenticator_method(authenticator, 'registration', parameters)
|
|
for authenticator in utils.get_backends('AUTH_FRONTENDS')]
|
|
context['frontends'] = collections.OrderedDict((block['id'], block)
|
|
for block in blocks if block)
|
|
return context
|
|
|
|
|
|
class RegistrationView(cbv.ValidateCSRFMixin, BaseRegistrationView):
|
|
pass
|
|
|
|
|
|
class RegistrationCompletionView(CreateView):
|
|
model = get_user_model()
|
|
success_url = 'auth_homepage'
|
|
|
|
def get_template_names(self):
|
|
if self.users and 'create' not in self.request.GET:
|
|
return ['registration/registration_completion_choose.html']
|
|
else:
|
|
return ['registration/registration_completion_form.html']
|
|
|
|
def get_success_url(self):
|
|
try:
|
|
redirect_url, next_field = app_settings.A2_REGISTRATION_REDIRECT
|
|
except Exception:
|
|
redirect_url = app_settings.A2_REGISTRATION_REDIRECT
|
|
next_field = REDIRECT_FIELD_NAME
|
|
|
|
if self.token and self.token.get(REDIRECT_FIELD_NAME):
|
|
url = self.token[REDIRECT_FIELD_NAME]
|
|
if redirect_url:
|
|
url = utils.make_url(redirect_url, params={next_field: url})
|
|
else:
|
|
if redirect_url:
|
|
url = redirect_url
|
|
else:
|
|
url = utils.make_url(self.success_url)
|
|
return url
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
self.token = request.token
|
|
self.authentication_method = self.token.get('authentication_method', 'email')
|
|
self.email = request.token['email']
|
|
if 'ou' in self.token:
|
|
self.ou = OU.objects.get(pk=self.token['ou'])
|
|
else:
|
|
self.ou = get_default_ou()
|
|
self.users = User.objects.filter(email__iexact=self.email) \
|
|
.order_by('date_joined')
|
|
if self.ou:
|
|
self.users = self.users.filter(ou=self.ou)
|
|
self.email_is_unique = app_settings.A2_EMAIL_IS_UNIQUE \
|
|
or app_settings.A2_REGISTRATION_EMAIL_IS_UNIQUE
|
|
if self.ou:
|
|
self.email_is_unique |= self.ou.email_is_unique
|
|
self.init_fields_labels_and_help_texts()
|
|
# if registration is done during an SSO add the service to the registration event
|
|
self.service = self.token.get(constants.SERVICE_FIELD_NAME)
|
|
return super(RegistrationCompletionView, self) \
|
|
.dispatch(request, *args, **kwargs)
|
|
|
|
def init_fields_labels_and_help_texts(self):
|
|
attributes = models.Attribute.objects.filter(
|
|
asked_on_registration=True)
|
|
default_fields = attributes.values_list('name', flat=True)
|
|
required_fields = models.Attribute.objects.filter(required=True) \
|
|
.values_list('name', flat=True)
|
|
fields, labels = utils.get_fields_and_labels(
|
|
app_settings.A2_REGISTRATION_FIELDS,
|
|
default_fields,
|
|
app_settings.A2_REGISTRATION_REQUIRED_FIELDS,
|
|
app_settings.A2_REQUIRED_FIELDS,
|
|
models.Attribute.objects.filter(required=True).values_list('name', flat=True))
|
|
help_texts = {}
|
|
if app_settings.A2_REGISTRATION_FORM_USERNAME_LABEL:
|
|
labels['username'] = app_settings.A2_REGISTRATION_FORM_USERNAME_LABEL
|
|
if app_settings.A2_REGISTRATION_FORM_USERNAME_HELP_TEXT:
|
|
help_texts['username'] = \
|
|
app_settings.A2_REGISTRATION_FORM_USERNAME_HELP_TEXT
|
|
required = list(app_settings.A2_REGISTRATION_REQUIRED_FIELDS) + \
|
|
list(required_fields)
|
|
if 'email' in fields:
|
|
fields.remove('email')
|
|
for field in self.token.get('skip_fields') or []:
|
|
if field in fields:
|
|
fields.remove(field)
|
|
self.fields = fields
|
|
self.labels = labels
|
|
self.required = required
|
|
self.help_texts = help_texts
|
|
|
|
def get_form_class(self):
|
|
if not self.token.get('valid_email', True):
|
|
self.fields.append('email')
|
|
self.required.append('email')
|
|
form_class = registration_forms.RegistrationCompletionForm
|
|
if self.token.get('no_password', False):
|
|
form_class = registration_forms.RegistrationCompletionFormNoPassword
|
|
form_class = profile_forms.modelform_factory(
|
|
self.model,
|
|
form=form_class,
|
|
fields=self.fields,
|
|
labels=self.labels,
|
|
required=self.required,
|
|
help_texts=self.help_texts)
|
|
if 'username' in self.fields and app_settings.A2_REGISTRATION_FORM_USERNAME_REGEX:
|
|
# Keep existing field label and help_text
|
|
old_field = form_class.base_fields['username']
|
|
field = CharField(
|
|
max_length=256,
|
|
label=old_field.label,
|
|
help_text=old_field.help_text,
|
|
validators=[validators.UsernameValidator()])
|
|
form_class = type('RegistrationForm', (form_class,), {'username': field})
|
|
return form_class
|
|
|
|
def get_form_kwargs(self, **kwargs):
|
|
'''Initialize mail from token'''
|
|
kwargs = super(RegistrationCompletionView, self).get_form_kwargs(**kwargs)
|
|
if 'ou' in self.token:
|
|
ou = get_object_or_404(OU, id=self.token['ou'])
|
|
else:
|
|
ou = get_default_ou()
|
|
|
|
attributes = {'email': self.email, 'ou': ou}
|
|
for key in self.token:
|
|
if key in app_settings.A2_PRE_REGISTRATION_FIELDS:
|
|
attributes[key] = self.token[key]
|
|
logger.debug(u'attributes %s', attributes)
|
|
|
|
prefilling_list = utils.accumulate_from_backends(self.request, 'registration_form_prefill')
|
|
logger.debug(u'prefilling_list %s', prefilling_list)
|
|
# Build a single meaningful prefilling with sets of values
|
|
prefilling = {}
|
|
for p in prefilling_list:
|
|
for name, values in p.items():
|
|
if name in self.fields:
|
|
prefilling.setdefault(name, set()).update(values)
|
|
logger.debug(u'prefilling %s', prefilling)
|
|
|
|
for name, values in prefilling.items():
|
|
attributes[name] = ' '.join(values)
|
|
logger.debug(u'attributes with prefilling %s', attributes)
|
|
|
|
if self.token.get('user_id'):
|
|
kwargs['instance'] = User.objects.get(id=self.token.get('user_id'))
|
|
else:
|
|
init_kwargs = {}
|
|
for key in ('email', 'first_name', 'last_name', 'ou'):
|
|
if key in attributes:
|
|
init_kwargs[key] = attributes[key]
|
|
kwargs['instance'] = get_user_model()(**init_kwargs)
|
|
|
|
return kwargs
|
|
|
|
def get_form(self, form_class=None):
|
|
form = super(RegistrationCompletionView, self).get_form(form_class=form_class)
|
|
hooks.call_hooks('front_modify_form', self, form)
|
|
return form
|
|
|
|
def get_context_data(self, **kwargs):
|
|
ctx = super(RegistrationCompletionView, self).get_context_data(**kwargs)
|
|
ctx['token'] = self.token
|
|
ctx['users'] = self.users
|
|
ctx['email'] = self.email
|
|
ctx['email_is_unique'] = self.email_is_unique
|
|
ctx['create'] = 'create' in self.request.GET
|
|
return ctx
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
if len(self.users) == 1 and self.email_is_unique:
|
|
# Found one user, EMAIL is unique, log her in
|
|
utils.simulate_authentication(
|
|
request, self.users[0],
|
|
method=self.authentication_method,
|
|
service_slug=self.service)
|
|
return utils.redirect(request, self.get_success_url())
|
|
confirm_data = self.token.get('confirm_data', False)
|
|
|
|
if confirm_data == 'required':
|
|
fields_to_confirm = self.required
|
|
else:
|
|
fields_to_confirm = self.fields
|
|
if (all(field in self.token for field in fields_to_confirm)
|
|
and (not confirm_data or confirm_data == 'required')):
|
|
# We already have every fields
|
|
form_kwargs = self.get_form_kwargs()
|
|
form_class = self.get_form_class()
|
|
data = self.token
|
|
if 'password' in data:
|
|
data['password1'] = data['password']
|
|
data['password2'] = data['password']
|
|
del data['password']
|
|
form_kwargs['data'] = data
|
|
form = form_class(**form_kwargs)
|
|
if form.is_valid():
|
|
user = form.save()
|
|
return self.registration_success(request, user, form)
|
|
self.get_form = lambda *args, **kwargs: form
|
|
return super(RegistrationCompletionView, self).get(request, *args, **kwargs)
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
if self.users and self.email_is_unique:
|
|
# email is unique, users already exist, creating a new one is forbidden !
|
|
return utils.redirect(
|
|
request, request.resolver_match.view_name, args=self.args,
|
|
kwargs=self.kwargs)
|
|
if 'uid' in request.POST:
|
|
uid = request.POST['uid']
|
|
for user in self.users:
|
|
if str(user.id) == uid:
|
|
utils.simulate_authentication(
|
|
request, user,
|
|
method=self.authentication_method,
|
|
service_slug=self.service)
|
|
return utils.redirect(request, self.get_success_url())
|
|
return super(RegistrationCompletionView, self).post(request, *args, **kwargs)
|
|
|
|
def form_valid(self, form):
|
|
|
|
# remove verified fields from form, this allows an authentication
|
|
# method to provide verified data fields and to present it to the user,
|
|
# while preventing the user to modify them.
|
|
for av in models.AttributeValue.objects.with_owner(form.instance):
|
|
if av.verified and av.attribute.name in form.fields:
|
|
del form.fields[av.attribute.name]
|
|
|
|
if ('email' in self.request.POST
|
|
and ('email' not in self.token or self.request.POST['email'] != self.token['email'])
|
|
and not self.token.get('skip_email_check')):
|
|
# If an email is submitted it must be validated or be the same as in the token
|
|
data = form.cleaned_data
|
|
data['no_password'] = self.token.get('no_password', False)
|
|
utils.send_registration_mail(
|
|
self.request,
|
|
ou=self.ou,
|
|
next_url=self.get_success_url(),
|
|
**data)
|
|
self.request.session['registered_email'] = form.cleaned_data['email']
|
|
return utils.redirect(self.request, 'registration_complete')
|
|
super(RegistrationCompletionView, self).form_valid(form)
|
|
return self.registration_success(self.request, form.instance, form)
|
|
|
|
def registration_success(self, request, user, form):
|
|
hooks.call_hooks('event', name='registration', user=user, form=form, view=self,
|
|
authentication_method=self.authentication_method,
|
|
token=request.token, service=self.service)
|
|
utils.simulate_authentication(
|
|
request, user,
|
|
method=self.authentication_method,
|
|
service_slug=self.service)
|
|
message_template = loader.get_template('authentic2/registration_success_message.html')
|
|
messages.info(self.request, message_template.render(request=request))
|
|
self.send_registration_success_email(user)
|
|
return utils.redirect(request, self.get_success_url())
|
|
|
|
def send_registration_success_email(self, user):
|
|
if not user.email:
|
|
return
|
|
|
|
template_names = [
|
|
'authentic2/registration_success'
|
|
]
|
|
login_url = self.request.build_absolute_uri(settings.LOGIN_URL)
|
|
utils.send_templated_mail(user, template_names=template_names,
|
|
context={
|
|
'user': user,
|
|
'email': user.email,
|
|
'site': self.request.get_host(),
|
|
'login_url': login_url,
|
|
},
|
|
request=self.request)
|
|
|
|
|
|
registration_completion = valid_token(RegistrationCompletionView.as_view())
|
|
|
|
|
|
class DeleteView(TemplateView):
|
|
template_name = 'authentic2/accounts_delete_request.html'
|
|
title = _('Request account deletion')
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
if not app_settings.A2_REGISTRATION_CAN_DELETE_ACCOUNT:
|
|
return utils.redirect(request, '..')
|
|
return super(DeleteView, self).dispatch(request, *args, **kwargs)
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
if 'cancel' in request.POST:
|
|
return utils.redirect(request, 'account_management')
|
|
utils.send_account_deletion_code(self.request, self.request.user)
|
|
messages.info(request,
|
|
_("An account deletion validation email has been sent to your email address."))
|
|
return utils.redirect(request, 'account_management')
|
|
|
|
|
|
class ValidateDeletionView(TemplateView):
|
|
template_name = 'authentic2/accounts_delete_validation.html'
|
|
title = _('Confirm account deletion')
|
|
user = None
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
try:
|
|
deletion_token = signing.loads(kwargs['deletion_token'],
|
|
max_age=app_settings.A2_DELETION_REQUEST_LIFETIME)
|
|
user_pk = deletion_token['user_pk']
|
|
self.user = get_user_model().objects.get(pk=user_pk)
|
|
# A user account wont be deactived twice
|
|
if not self.user.is_active:
|
|
raise ValidationError(
|
|
_('This account had previously been deactivated and will be deleted soon.'))
|
|
logger.info('user %s confirmed the deletion of their own account', self.user)
|
|
except signing.SignatureExpired:
|
|
error = _('The account deletion request is too old, try again')
|
|
except signing.BadSignature:
|
|
error = _('The account deletion request is invalid, try again')
|
|
except ValueError:
|
|
error = _('The account deletion request was not on this site, try again')
|
|
except ValidationError as e:
|
|
error = e.message
|
|
except get_user_model().DoesNotExist:
|
|
error = _('This account has previously been deleted.')
|
|
else:
|
|
return super(ValidateDeletionView, self).dispatch(request, *args, **kwargs)
|
|
messages.error(request, error)
|
|
return utils.redirect(request, 'auth_homepage')
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
if 'cancel' not in request.POST:
|
|
utils.send_account_deletion_mail(self.request, self.user)
|
|
models.DeletedUser.objects.delete_user(self.user)
|
|
self.user.email += '#%d' % random.randint(1, 10000000)
|
|
self.user.email_verified = False
|
|
self.user.save(update_fields=['email', 'email_verified'])
|
|
logger.info(u'deletion of account %s performed', self.user)
|
|
hooks.call_hooks('event', name='delete-account', user=self.user)
|
|
if self.user == request.user:
|
|
# No validation message displayed, as the user will surely
|
|
# notice their own account deletion...
|
|
return utils.redirect(request, 'auth_logout')
|
|
# No real use for cancel_url or next_url here, assuming the link
|
|
# has been received by email. We instead redirect the user to the
|
|
# homepage.
|
|
messages.info(request, _('Deletion performed.'))
|
|
return utils.redirect(request, 'auth_homepage')
|
|
|
|
def get_context_data(self, **kwargs):
|
|
ctx = super(ValidateDeletionView, self).get_context_data(**kwargs)
|
|
ctx['user'] = self.user # Not necessarily the user in request
|
|
return ctx
|
|
|
|
|
|
class RegistrationCompleteView(TemplateView):
|
|
template_name = 'registration/registration_complete.html'
|
|
|
|
def get_context_data(self, **kwargs):
|
|
kwargs['next_url'] = utils.select_next_url(self.request, settings.LOGIN_REDIRECT_URL)
|
|
kwargs['from_email'] = settings.DEFAULT_FROM_EMAIL
|
|
kwargs['from_email_address'] = parseaddr(settings.DEFAULT_FROM_EMAIL)[1]
|
|
return super(RegistrationCompleteView, self).get_context_data(
|
|
account_activation_days=settings.ACCOUNT_ACTIVATION_DAYS,
|
|
**kwargs)
|
|
|
|
|
|
registration_complete = RegistrationCompleteView.as_view()
|
|
|
|
|
|
@sensitive_post_parameters()
|
|
@login_required
|
|
@decorators.setting_enabled('A2_REGISTRATION_CAN_CHANGE_PASSWORD')
|
|
def password_change(request, *args, **kwargs):
|
|
kwargs['password_change_form'] = passwords_forms.PasswordChangeForm
|
|
post_change_redirect = kwargs.pop('post_change_redirect', None)
|
|
if 'next_url' in request.POST and request.POST['next_url']:
|
|
post_change_redirect = request.POST['next_url']
|
|
elif REDIRECT_FIELD_NAME in request.GET:
|
|
post_change_redirect = request.GET[REDIRECT_FIELD_NAME]
|
|
elif post_change_redirect is None:
|
|
post_change_redirect = reverse('account_management')
|
|
if not utils.user_can_change_password(request=request):
|
|
messages.warning(request, _('Password change is forbidden'))
|
|
return utils.redirect(request, post_change_redirect)
|
|
if 'cancel' in request.POST:
|
|
return utils.redirect(request, post_change_redirect)
|
|
kwargs['post_change_redirect'] = post_change_redirect
|
|
extra_context = kwargs.setdefault('extra_context', {})
|
|
extra_context['view'] = password_change
|
|
extra_context[REDIRECT_FIELD_NAME] = post_change_redirect
|
|
if not request.user.has_usable_password():
|
|
kwargs['password_change_form'] = passwords_forms.SetPasswordForm
|
|
response = dj_password_change(request, *args, **kwargs)
|
|
if isinstance(response, HttpResponseRedirect):
|
|
hooks.call_hooks('event', name='change-password', user=request.user, request=request)
|
|
messages.info(request, _('Password changed'))
|
|
return response
|
|
password_change.title = _('Password Change')
|
|
password_change.do_not_call_in_templates = True
|
|
|
|
|
|
def notimplemented_view(request):
|
|
raise NotImplementedError
|
|
|
|
|
|
class SuView(View):
|
|
def get(self, request, token):
|
|
user = utils.get_su_user(token)
|
|
if not user:
|
|
raise Http404
|
|
return utils.simulate_authentication(request, user, 'su')
|
|
|
|
su = SuView.as_view()
|