Synnefo

# Copyright 2011 GRNET S.A. All rights reserved.

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from contextlib import contextmanager

import copy

import datetime

import functools

from snf_django.utils.testing import with_settings, override_settings, assertIn

from django.test import TestCase, Client

from django.core import mail

from django.http import SimpleCookie, HttpRequest, QueryDict

from django.utils.importlib import import_module

from django.utils import simplejson as json

from astakos.im.activation_backends import *

from astakos.im.target.shibboleth import Tokens as ShibbolethTokens

from astakos.im.models import *

from astakos.im import functions

from astakos.im import settings as astakos_settings

from astakos.im import forms

from urllib import quote

from datetime import timedelta

from astakos.im import messages

from astakos.im import auth_providers

from astakos.im import quotas

from astakos.im import resources

from django.conf import settings

# set some common settings

astakos_settings.EMAILCHANGE_ENABLED = True

astakos_settings.RECAPTCHA_ENABLED = False

settings.LOGGING_SETUP['disable_existing_loggers'] = False

# shortcut decorators to override provider settings

# e.g. shibboleth_settings(ENABLED=True) will set

# ASTAKOS_AUTH_PROVIDER_SHIBBOLETH_ENABLED = True in global synnefo settings

prefixes = {'providers': 'AUTH_PROVIDER_',

            'shibboleth': 'ASTAKOS_AUTH_PROVIDER_SHIBBOLETH_',

            'local': 'ASTAKOS_AUTH_PROVIDER_LOCAL_'}

im_settings = functools.partial(with_settings, astakos_settings)

shibboleth_settings = functools.partial(with_settings,

                                        settings,

                                        prefix=prefixes['shibboleth'])

localauth_settings = functools.partial(with_settings, settings,

                                       prefix=prefixes['local'])

class AstakosTestClient(Client):

    pass

class ShibbolethClient(AstakosTestClient):

    """

    A shibboleth agnostic client.

    """

    VALID_TOKENS = filter(lambda x: not x.startswith("_"),

                          dir(ShibbolethTokens))

    def __init__(self, *args, **kwargs):

        self.tokens = kwargs.pop('tokens', {})

        super(ShibbolethClient, self).__init__(*args, **kwargs)

    def set_tokens(self, **kwargs):

        for key, value in kwargs.iteritems():

            key = 'SHIB_%s' % key.upper()

            if not key in self.VALID_TOKENS:

                raise Exception('Invalid shibboleth token')

            self.tokens[key] = value

    def unset_tokens(self, *keys):

        for key in keys:

            key = 'SHIB_%s' % param.upper()

            if key in self.tokens:

                del self.tokens[key]

    def reset_tokens(self):

        self.tokens = {}

    def get_http_token(self, key):

        http_header = getattr(ShibbolethTokens, key)

        return http_header

    def request(self, **request):

        """

        Transform valid shibboleth tokens to http headers

        """

        for token, value in self.tokens.iteritems():

            request[self.get_http_token(token)] = value

        for param in request.keys():

            key = 'SHIB_%s' % param.upper()

            if key in self.VALID_TOKENS:

                request[self.get_http_token(key)] = request[param]

                del request[param]

        return super(ShibbolethClient, self).request(**request)

def get_user_client(username, password="password"):

    client = Client()

    client.login(username=username, password=password)

    return client

def get_local_user(username, **kwargs):

        try:

            return AstakosUser.objects.get(email=username)

        except:

            user_params = {

                'username': username,

                'email': username,

                'is_active': True,

                'activation_sent': datetime.now(),

                'email_verified': True,

                'provider': 'local'

            }

            user_params.update(kwargs)

            user = AstakosUser(**user_params)

            user.set_password(kwargs.get('password', 'password'))

            user.save()

            user.add_auth_provider('local', auth_backend='astakos')

            if kwargs.get('is_active', True):

                user.is_active = True

            else:

                user.is_active = False

            user.save()

            return user

def get_mailbox(email):

    mails = []

    for sent_email in mail.outbox:

        for recipient in sent_email.recipients():

            if email in recipient:

                mails.append(sent_email)

    return mails

class ShibbolethTests(TestCase):

    """

    Testing shibboleth authentication.

    """

    fixtures = ['groups']

    def setUp(self):

        self.client = ShibbolethClient()

        astakos_settings.IM_MODULES = ['local', 'shibboleth']

        astakos_settings.MODERATION_ENABLED = True

    @im_settings(FORCE_PROFILE_UPDATE=False)

    def test_create_account(self):

        client = ShibbolethClient()

        # shibboleth views validation

        # eepn required

        r = client.get('/im/login/shibboleth?', follow=True)

        self.assertContains(r, messages.SHIBBOLETH_MISSING_EPPN % {

            'domain': astakos_settings.BASEURL,

            'contact_email': settings.CONTACT_EMAIL

        })

        client.set_tokens(eppn="kpapeppn")

        astakos_settings.SHIBBOLETH_REQUIRE_NAME_INFO = True

        # shibboleth user info required

        r = client.get('/im/login/shibboleth?', follow=True)

        self.assertContains(r, messages.SHIBBOLETH_MISSING_NAME)

        astakos_settings.SHIBBOLETH_REQUIRE_NAME_INFO = False

        # shibboleth logged us in

        client.set_tokens(mail="kpap@grnet.gr", eppn="kpapeppn",

                          cn="Kostas Papadimitriou",

                          ep_affiliation="Test Affiliation")

        r = client.get('/im/login/shibboleth?', follow=True)

        token = PendingThirdPartyUser.objects.get().token

        self.assertRedirects(r, '/im/signup?third_party_token=%s' % token)

        self.assertEqual(r.status_code, 200)

        # a new pending user created

        pending_user = PendingThirdPartyUser.objects.get(

            third_party_identifier="kpapeppn")

        self.assertEqual(PendingThirdPartyUser.objects.count(), 1)

        # keep the token for future use

        token = pending_user.token

        # from now on no shibboleth headers are sent to the server

        client.reset_tokens()

        # this is the old way, it should fail, to avoid pending user take over

        r = client.get('/im/shibboleth/signup/%s' % pending_user.username)

        self.assertEqual(r.status_code, 404)

        # this is the signup unique url associated with the pending user

        # created

        r = client.get('/im/signup/?third_party_token=%s' % token)

        identifier = pending_user.third_party_identifier

        post_data = {'third_party_identifier': identifier,

                     'first_name': 'Kostas',

                     'third_party_token': token,

                     'last_name': 'Mitroglou',

                     'provider': 'shibboleth'}

        signup_url = reverse('signup')

        # invlid email

        post_data['email'] = 'kpap'

        r = client.post(signup_url, post_data)

        self.assertContains(r, token)

        # existing email

        existing_user = get_local_user('test@test.com')

        post_data['email'] = 'test@test.com'

        r = client.post(signup_url, post_data)

        self.assertContains(r, messages.EMAIL_USED)

        existing_user.delete()

        # and finally a valid signup

        post_data['email'] = 'kpap@grnet.gr'

        r = client.post(signup_url, post_data, follow=True)

        self.assertContains(r, messages.NOTIFICATION_SENT)

        # everything is ok in our db

        self.assertEqual(AstakosUser.objects.count(), 1)

        self.assertEqual(AstakosUserAuthProvider.objects.count(), 1)

        self.assertEqual(PendingThirdPartyUser.objects.count(), 0)

        # provider info stored

        provider = AstakosUserAuthProvider.objects.get(module="shibboleth")

        self.assertEqual(provider.affiliation, 'Test Affiliation')

        self.assertEqual(provider.info, {u'email': u'kpap@grnet.gr',

                                         u'eppn': u'kpapeppn',

                                         u'name': u'Kostas Papadimitriou'})

        # lets login (not activated yet)

        client.set_tokens(mail="kpap@grnet.gr", eppn="kpapeppn",

                          cn="Kostas Papadimitriou", )

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertContains(r, 'is pending moderation')

        # admin activates our user

        u = AstakosUser.objects.get(username="kpap@grnet.gr")

        functions.activate(u)

        self.assertEqual(u.is_active, True)

        # we see our profile

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertRedirects(r, '/im/landing')

        self.assertEqual(r.status_code, 200)

    def test_existing(self):

        """

        Test adding of third party login to an existing account

        """

        # this is our existing user

        existing_user = get_local_user('kpap@grnet.gr')

        existing_inactive = get_local_user('kpap-inactive@grnet.gr')

        existing_inactive.is_active = False

        existing_inactive.save()

        existing_unverified = get_local_user('kpap-unverified@grnet.gr')

        existing_unverified.is_active = False

        existing_unverified.activation_sent = None

        existing_unverified.email_verified = False

        existing_unverified.is_verified = False

        existing_unverified.save()

        client = ShibbolethClient()

        # shibboleth logged us in, notice that we use different email

        client.set_tokens(mail="kpap@shibboleth.gr", eppn="kpapeppn",

                          cn="Kostas Papadimitriou", )

        r = client.get("/im/login/shibboleth?", follow=True)

        # a new pending user created

        pending_user = PendingThirdPartyUser.objects.get()

        token = pending_user.token

        self.assertEqual(PendingThirdPartyUser.objects.count(), 1)

        pending_key = pending_user.token

        client.reset_tokens()

        self.assertRedirects(r, "/im/signup?third_party_token=%s" % token)

        form = r.context['login_form']

        signupdata = copy.copy(form.initial)

        signupdata['email'] = 'kpap@grnet.gr'

        signupdata['third_party_token'] = token

        signupdata['provider'] = 'shibboleth'

        signupdata.pop('id', None)

        # the email exists to another user

        r = client.post("/im/signup", signupdata)

        self.assertContains(r, "There is already an account with this email "

                               "address")

        # change the case, still cannot create

        signupdata['email'] = 'KPAP@grnet.GR'

        r = client.post("/im/signup", signupdata)

        self.assertContains(r, "There is already an account with this email "

                               "address")

        # inactive user

        signupdata['email'] = 'KPAP-inactive@grnet.GR'

        r = client.post("/im/signup", signupdata)

        self.assertContains(r, "There is already an account with this email "

                               "address")

        # unverified user, this should pass, old entry will be deleted

        signupdata['email'] = 'KAPAP-unverified@grnet.GR'

        r = client.post("/im/signup", signupdata)

        post_data = {'password': 'password',

                     'username': 'kpap@grnet.gr'}

        r = client.post('/im/local', post_data, follow=True)

        self.assertTrue(r.context['request'].user.is_authenticated())

        client.set_tokens(mail="kpap@shibboleth.gr", eppn="kpapeppn",

                          cn="Kostas Papadimitriou", )

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertContains(r, "enabled for this account")

        client.reset_tokens()

        user = existing_user

        self.assertTrue(user.has_auth_provider('shibboleth'))

        self.assertTrue(user.has_auth_provider('local',

                                               auth_backend='astakos'))

        client.logout()

        # look Ma, i can login with both my shibboleth and local account

        client.set_tokens(mail="kpap@shibboleth.gr", eppn="kpapeppn",

                          cn="Kostas Papadimitriou")

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertTrue(r.context['request'].user.is_authenticated())

        self.assertTrue(r.context['request'].user.email == "kpap@grnet.gr")

        self.assertRedirects(r, '/im/landing')

        self.assertEqual(r.status_code, 200)

        client.logout()

        client.reset_tokens()

        # logged out

        r = client.get("/im/profile", follow=True)

        self.assertFalse(r.context['request'].user.is_authenticated())

        # login with local account also works

        post_data = {'password': 'password',

                     'username': 'kpap@grnet.gr'}

        r = self.client.post('/im/local', post_data, follow=True)

        self.assertTrue(r.context['request'].user.is_authenticated())

        self.assertTrue(r.context['request'].user.email == "kpap@grnet.gr")

        self.assertRedirects(r, '/im/landing')

        self.assertEqual(r.status_code, 200)

        # cannot add the same eppn

        client.set_tokens(mail="secondary@shibboleth.gr", eppn="kpapeppn",

                          cn="Kostas Papadimitriou", )

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertRedirects(r, '/im/landing')

        self.assertTrue(r.status_code, 200)

        self.assertEquals(existing_user.auth_providers.count(), 2)

        # only one allowed by default

        client.set_tokens(mail="secondary@shibboleth.gr", eppn="kpapeppn2",

                          cn="Kostas Papadimitriou", ep_affiliation="affil2")

        prov = auth_providers.get_provider('shibboleth')

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertContains(r, "Failed to add")

        self.assertRedirects(r, '/im/profile')

        self.assertTrue(r.status_code, 200)

        self.assertEquals(existing_user.auth_providers.count(), 2)

        client.logout()

        client.reset_tokens()

        # cannot login with another eppn

        client.set_tokens(mail="kpap@grnet.gr", eppn="kpapeppninvalid",

                          cn="Kostas Papadimitriou")

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertFalse(r.context['request'].user.is_authenticated())

        # cannot

        # lets remove local password

        user = AstakosUser.objects.get(username="kpap@grnet.gr",

                                       email="kpap@grnet.gr")

        remove_local_url = user.get_auth_provider('local').get_remove_url

        remove_shibbo_url = user.get_auth_provider('shibboleth',

                                                   'kpapeppn').get_remove_url

        client.set_tokens(mail="kpap@shibboleth.gr", eppn="kpapeppn",

                          cn="Kostas Papadimtriou")

        r = client.get("/im/login/shibboleth?", follow=True)

        client.reset_tokens()

        # TODO: this view should use POST

        r = client.get(remove_local_url)

        # 2 providers left

        self.assertEqual(user.auth_providers.count(), 1)

        # cannot remove last provider

        r = client.get(remove_shibbo_url)

        self.assertEqual(r.status_code, 403)

        self.client.logout()

        # cannot login using local credentials (notice we use another client)

        post_data = {'password': 'password',

                     'username': 'kpap@grnet.gr'}

        r = self.client.post('/im/local', post_data, follow=True)

        self.assertFalse(r.context['request'].user.is_authenticated())

        # we can reenable the local provider by setting a password

        r = client.get("/im/password_change", follow=True)

        r = client.post("/im/password_change", {'new_password1': '111',

                                                'new_password2': '111'},

                        follow=True)

        user = r.context['request'].user

        self.assertTrue(user.has_auth_provider('local'))

        self.assertTrue(user.has_auth_provider('shibboleth'))

        self.assertTrue(user.check_password('111'))

        self.assertTrue(user.has_usable_password())

        self.client.logout()

        # now we can login

        post_data = {'password': '111',

                     'username': 'kpap@grnet.gr'}

        r = self.client.post('/im/local', post_data, follow=True)

        self.assertTrue(r.context['request'].user.is_authenticated())

        client.reset_tokens()

        # we cannot take over another shibboleth identifier

        user2 = get_local_user('another@grnet.gr')

        user2.add_auth_provider('shibboleth', identifier='existingeppn')

        # login

        client.set_tokens(mail="kpap@shibboleth.gr", eppn="kpapeppn",

                          cn="Kostas Papadimitriou")

        r = client.get("/im/login/shibboleth?", follow=True)

        # try to assign existing shibboleth identifier of another user

        client.set_tokens(mail="kpap_second@shibboleth.gr",

                          eppn="existingeppn", cn="Kostas Papadimitriou")

        r = client.get("/im/login/shibboleth?", follow=True)

        self.assertContains(r, "this account is already assigned")

class TestLocal(TestCase):

    fixtures = ['groups']

    def setUp(self):

        settings.ADMINS = (('admin', 'support@cloud.grnet.gr'),)

        settings.SERVER_EMAIL = 'no-reply@grnet.gr'

        self._orig_moderation = astakos_settings.MODERATION_ENABLED

        settings.ASTAKOS_MODERATION_ENABLED = True

    def tearDown(self):

        settings.ASTAKOS_MODERATION_ENABLED = self._orig_moderation

    def test_no_moderation(self):

        # disable moderation

        astakos_settings.MODERATION_ENABLED = False

        # create a new user

        r = self.client.get("/im/signup")

        self.assertEqual(r.status_code, 200)

        data = {'email': 'kpap@grnet.gr', 'password1': 'password',

                'password2': 'password', 'first_name': 'Kostas',

                'last_name': 'Mitroglou', 'provider': 'local'}

        r = self.client.post("/im/signup", data)

        # user created

        self.assertEqual(AstakosUser.objects.count(), 1)

        user = AstakosUser.objects.get(username="kpap@grnet.gr",

                                       email="kpap@grnet.gr")

        self.assertEqual(user.username, 'kpap@grnet.gr')

        self.assertEqual(user.has_auth_provider('local'), True)

        self.assertFalse(user.is_active)

        # user (but not admin) gets notified

        self.assertEqual(len(get_mailbox('support@cloud.grnet.gr')), 0)

        self.assertEqual(len(get_mailbox('kpap@grnet.gr')), 1)

        astakos_settings.MODERATION_ENABLED = True

    def test_email_case(self):

        data = {

            'email': 'kPap@grnet.gr',

            'password1': '1234',

            'password2': '1234'

        }

        form = forms.LocalUserCreationForm(data)

        self.assertTrue(form.is_valid())

        user = form.save()

        form.store_user(user, {})

        u = AstakosUser.objects.get()

        self.assertEqual(u.email, 'kPap@grnet.gr')

        self.assertEqual(u.username, 'kpap@grnet.gr')

        u.is_active = True

        u.email_verified = True

        u.save()

        data = {'username': 'kpap@grnet.gr', 'password': '1234'}

        login = forms.LoginForm(data=data)

        self.assertTrue(login.is_valid())

        data = {'username': 'KpaP@grnet.gr', 'password': '1234'}

        login = forms.LoginForm(data=data)

        self.assertTrue(login.is_valid())

        data = {

            'email': 'kpap@grnet.gr',

            'password1': '1234',

            'password2': '1234'

        }

        form = forms.LocalUserCreationForm(data)

        self.assertFalse(form.is_valid())

    @im_settings(HELPDESK=(('support', 'support@synnefo.org'),))

    @im_settings(FORCE_PROFILE_UPDATE=False)

    def test_local_provider(self):

        self.helpdesk_email = astakos_settings.HELPDESK[0][1]

        # enable moderation

        astakos_settings.MODERATION_ENABLED = True

        # create a user

        r = self.client.get("/im/signup")

        self.assertEqual(r.status_code, 200)

        data = {'email': 'kpap@grnet.gr', 'password1': 'password',

                'password2': 'password', 'first_name': 'Kostas',

                'last_name': 'Mitroglou', 'provider': 'local'}

        r = self.client.post("/im/signup", data)

        # user created

        self.assertEqual(AstakosUser.objects.count(), 1)

        user = AstakosUser.objects.get(username="kpap@grnet.gr",

                                       email="kpap@grnet.gr")

        self.assertEqual(user.username, 'kpap@grnet.gr')

        self.assertEqual(user.has_auth_provider('local'), True)

        self.assertFalse(user.is_active)  # not activated

        self.assertFalse(user.email_verified)  # not verified

        self.assertFalse(user.activation_sent)  # activation automatically sent

        # admin gets notified and activates the user from the command line

        self.assertEqual(len(get_mailbox(self.helpdesk_email)), 1)

        r = self.client.post('/im/local', {'username': 'kpap@grnet.gr',

                                           'password': 'password'})

        self.assertContains(r, messages.NOTIFICATION_SENT)

        functions.send_activation(user)

        # user activation fields updated and user gets notified via email

        user = AstakosUser.objects.get(pk=user.pk)

        self.assertTrue(user.activation_sent)

        self.assertFalse(user.email_verified)

        self.assertFalse(user.is_active)

        self.assertEqual(len(get_mailbox('kpap@grnet.gr')), 1)

        # user forgot she got registered and tries to submit registration

        # form. Notice the upper case in email

        data = {'email': 'KPAP@grnet.gr', 'password1': 'password',

                'password2': 'password', 'first_name': 'Kostas',

                'last_name': 'Mitroglou', 'provider': 'local'}

        r = self.client.post("/im/signup", data, follow=True)

        self.assertRedirects(r, reverse('index'))

        self.assertContains(r, messages.NOTIFICATION_SENT)

        user = AstakosUser.objects.get()

        functions.send_activation(user)

        # previous user replaced

        self.assertTrue(user.activation_sent)

        self.assertFalse(user.email_verified)

        self.assertFalse(user.is_active)

        self.assertEqual(len(get_mailbox('KPAP@grnet.gr')), 1)

        # hmmm, email exists; lets request a password change

        r = self.client.get('/im/local/password_reset')

        self.assertEqual(r.status_code, 200)

        data = {'email': 'kpap@grnet.gr'}

        r = self.client.post('/im/local/password_reset', data, follow=True)

        # she can't because account is not active yet

        self.assertContains(r, 'pending activation')

        # moderation is enabled and an activation email has already been sent

        # so user can trigger resend of the activation email

        r = self.client.get('/im/send/activation/%d' % user.pk, follow=True)

        self.assertContains(r, 'has been sent to your email address.')

        self.assertEqual(len(get_mailbox('KPAP@grnet.gr')), 2)

        # also she cannot login

        data = {'username': 'kpap@grnet.gr', 'password': 'password'}

        r = self.client.post('/im/local', data, follow=True)

        self.assertContains(r, 'Resend activation')

        self.assertFalse(r.context['request'].user.is_authenticated())

        self.assertFalse('_pithos2_a' in self.client.cookies)

        # user sees the message and resends activation

        r = self.client.get('/im/send/activation/%d' % user.pk, follow=True)

        self.assertEqual(len(get_mailbox('KPAP@grnet.gr')), 3)

        # switch back moderation setting

        astakos_settings.MODERATION_ENABLED = True

        r = self.client.get(user.get_activation_url(), follow=True)

        self.assertRedirects(r, "/im/landing")

        r = self.client.get('/im/profile', follow=True)

        self.assertTrue(r.context['request'].user.is_authenticated())

        self.assertTrue('_pithos2_a' in self.client.cookies)

        self.assertContains(r, "KPAP@grnet.gr")

        self.assertEqual(len(get_mailbox('KPAP@grnet.gr')), 4)

        user = AstakosUser.objects.get(pk=user.pk)

        # user activated and logged in, token cookie set

        self.assertTrue(r.context['request'].user.is_authenticated())

        self.assertTrue('_pithos2_a' in self.client.cookies)

        cookies = self.client.cookies

        self.assertTrue(quote(user.auth_token) in

                        cookies.get('_pithos2_a').value)

        r = self.client.get('/im/logout', follow=True)

        r = self.client.get('/im/')

        # user logged out, token cookie removed

        self.assertFalse(r.context['request'].user.is_authenticated())

        self.assertFalse(self.client.cookies.get('_pithos2_a').value)

        #https://docs.djangoproject.com/en/dev/topics/testing/#persistent-state

        del self.client.cookies['_pithos2_a']

        # user can login

        r = self.client.post('/im/local', {'username': 'kpap@grnet.gr',

                                           'password': 'password'},

                             follow=True)

        self.assertTrue(r.context['request'].user.is_authenticated())

        self.assertTrue('_pithos2_a' in self.client.cookies)

        cookies = self.client.cookies

        self.assertTrue(quote(user.auth_token) in

                        cookies.get('_pithos2_a').value)

        self.client.get('/im/logout', follow=True)

        # user forgot password

        old_pass = user.password

        r = self.client.get('/im/local/password_reset')

        self.assertEqual(r.status_code, 200)

        r = self.client.post('/im/local/password_reset', {'email':

                                                          'kpap@grnet.gr'})

        self.assertEqual(r.status_code, 302)

        # email sent

        self.assertEqual(len(get_mailbox('KPAP@grnet.gr')), 5)

        # user visits change password link

        # "Refresh" user because created url is based on last_login timestamp

        user = AstakosUser.objects.get(pk=user.pk)

        r = self.client.get(user.get_password_reset_url())

        r = self.client.post(user.get_password_reset_url(),

                             {'new_password1': 'newpass',

                              'new_password2': 'newpass'})

        user = AstakosUser.objects.get(pk=user.pk)

        self.assertNotEqual(old_pass, user.password)

        # old pass is not usable

        r = self.client.post('/im/local', {'username': 'kpap@grnet.gr',

                                           'password': 'password'})

        self.assertContains(r, 'Please enter a correct username and password')

        r = self.client.post('/im/local', {'username': 'kpap@grnet.gr',

                                           'password': 'newpass'},

                             follow=True)

        self.assertTrue(r.context['request'].user.is_authenticated())

        self.client.logout()

        # tests of special local backends

        user = AstakosUser.objects.get(pk=user.pk)

        user.auth_providers.filter(module='local').update(auth_backend='ldap')

        user.save()