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# vim:fileencoding=utf8:et:ts=4:sts=4:sw=4:ft=python
from django.conf import settings
from django.contrib.auth.models import User
from django.core import mail
from django.core.urlresolvers import resolve
from django.template import RequestContext
from django.test.utils import override_settings
from base64 import b64encode
from Crypto import Random
from passlib.hash import ldap_md5_crypt
from mockldap import MockLdap
from okupy.accounts.views import login, logout
from okupy.accounts.forms import LoginForm
from okupy.common.test_helpers import (OkupyTestCase, set_request, no_database,
ldap_users)
from okupy.crypto.ciphers import cipher
from okupy.tests import vars
class LoginUnitTests(OkupyTestCase):
@classmethod
def setUpClass(cls):
cls.mockldap = MockLdap(vars.DIRECTORY)
@classmethod
def tearDownClass(cls):
del cls.mockldap
def setUp(self):
self.mockldap.start()
self.ldapobj = self.mockldap[settings.AUTH_LDAP_SERVER_URI]
def tearDown(self):
self.mockldap.stop()
del self.ldapobj
def test_incorrect_user_raises_login_failed(self):
request = set_request(uri='/login', post=vars.LOGIN_WRONG,
messages=True)
response = login(request)
response.context = RequestContext(request)
self.assertMessage(response, 'Login failed', 40)
def test_incorrect_user_does_not_get_transferred_in_db(self):
request = set_request(uri='/login', post=vars.LOGIN_WRONG,
messages=True)
login(request)
self.assertEqual(User.objects.count(), 0)
@no_database()
@override_settings(AUTHENTICATION_BACKENDS=(
'okupy.common.auth.LDAPAuthBackend',
'django.contrib.auth.backends.ModelBackend'))
def test_no_database_raises_critical(self):
request = set_request(uri='/login', post=vars.LOGIN_ALICE,
messages=True)
response = login(request)
response.context = RequestContext(request)
self.assertMessage(response,
"Can't contact the LDAP server or the database", 40)
@no_database()
@override_settings(AUTHENTICATION_BACKENDS=(
'okupy.common.auth.LDAPAuthBackend',
'django.contrib.auth.backends.ModelBackend'))
def test_no_database_sends_notification_mail(self):
request = set_request(uri='/login', post=vars.LOGIN_ALICE,
messages=True)
response = login(request)
response.context = RequestContext(request)
self.assertEqual(len(mail.outbox), 1)
self.assertTrue(mail.outbox[0].subject.startswith('%sERROR:' %
settings.EMAIL_SUBJECT_PREFIX))
def test_correct_user_gets_transferred_in_db(self):
request = set_request(uri='/login', post=vars.LOGIN_ALICE)
login(request)
self.assertEqual(User.objects.count(), 1)
def test_authenticate_account_that_is_already_in_db(self):
vars.USER_ALICE.save()
request = set_request(uri='/login', post=vars.LOGIN_ALICE)
login(request)
self.assertEqual(User.objects.count(), 1)
def test_secondary_password_is_added_in_login(self):
request = set_request(uri='/login', post=vars.LOGIN_ALICE)
login(request)
self.assertEqual(len(ldap_users(
'alice',
directory=self.ldapobj.directory)[1]['userPassword']), 2)
self.assertEqual(len(request.session['secondary_password']), 48)
def test_secondary_password_is_removed_in_logout(self):
secondary_password = Random.get_random_bytes(48)
secondary_password_crypt = ldap_md5_crypt.encrypt(b64encode(
secondary_password))
self.ldapobj.directory[ldap_users('alice')[0]][
'userPassword'].append(secondary_password_crypt)
request = set_request(uri='/login', post=vars.LOGIN_ALICE,
user=vars.USER_ALICE)
request.session['secondary_password'] = cipher.encrypt(
secondary_password)
logout(request)
self.assertEqual(len(ldap_users(
'alice',
directory=self.ldapobj.directory)[1]['userPassword']), 1)
class LoginUnitTestsNoLDAP(OkupyTestCase):
def test_login_url_resolves_to_login_view(self):
found = resolve('/login/')
self.assertEqual(found.func, login)
def test_login_page_returns_200(self):
request = set_request(uri='/login')
response = login(request)
self.assertEqual(response.status_code, 200)
def test_rendered_login_form(self):
request = set_request(uri='/login')
response = login(request)
login_form_part = '<input id="id_username" maxlength="100"'
'name="username" type="text" />'
self.assertIn(login_form_part, response.content)
def test_empty_user_raises_form_error_messages(self):
request = set_request(uri='/login')
response = login(request)
response.context = RequestContext(request, {
'login_form': LoginForm(request.POST)})
self.assertFormError(response, 'login_form', 'username',
'This field is required.')
self.assertFormError(response, 'login_form', 'password',
'This field is required.')
def test_empty_user_raises_login_failed(self):
request = set_request(uri='/login', post=True, messages=True)
response = login(request)
response.context = RequestContext(request)
self.assertMessage(response, 'Login failed', 40)
def test_dont_authenticate_from_db_when_ldap_is_down(self):
request = set_request(uri='/login', post=vars.LOGIN_BOB,
messages=True)
response = login(request)
response.context = RequestContext(request)
self.assertMessage(response,
"Can't contact the LDAP server or the database", 40)
def test_no_ldap_connection_raises_ldaperror_in_login(self):
request = set_request(uri='/login', post=vars.LOGIN_WRONG,
messages=True)
response = login(request)
response.context = RequestContext(request)
self.assertMessage(response,
"Can't contact the LDAP server or the database", 40)
def test_no_ldap_connection_in_logout_sends_notification_mail(self):
request = set_request(uri='/login', post=vars.LOGIN_ALICE,
user=vars.USER_ALICE)
request.session['secondary_password'] = 'test'
logout(request)
self.assertEqual(len(mail.outbox), 1)
self.assertTrue(mail.outbox[0].subject.startswith('%sERROR:' %
settings.EMAIL_SUBJECT_PREFIX))
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