278 lines
11 KiB
Python
278 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License version 3 for
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# more details.
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#
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# You should have received a copy of the GNU General Public License version 3
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# along with this program; if not, write to the Free Software Foundation, Inc., 51
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# (c) 2016 Valentin Samir
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"""Some mixin classes for tests"""
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from cas_server.default_settings import settings
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from django.utils import timezone
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import re
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from lxml import etree
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from datetime import timedelta
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from cas_server import models
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from cas_server.tests.utils import get_auth_client
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class BaseServicePattern(object):
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"""Mixing for setting up service pattern for testing"""
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@classmethod
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def setup_service_patterns(cls, proxy=False):
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"""setting up service pattern"""
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# For general purpose testing
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cls.service = "https://www.example.com"
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cls.service_pattern = models.ServicePattern.objects.create(
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name="example",
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pattern=r"^https://www\.example\.com(/.*)?$",
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proxy=proxy,
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)
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models.ReplaceAttributName.objects.create(name="*", service_pattern=cls.service_pattern)
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# For testing the restrict_users attributes
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cls.service_restrict_user_fail = "https://restrict_user_fail.example.com"
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cls.service_pattern_restrict_user_fail = models.ServicePattern.objects.create(
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name="restrict_user_fail",
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pattern=r"^https://restrict_user_fail\.example\.com(/.*)?$",
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restrict_users=True,
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proxy=proxy,
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)
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cls.service_restrict_user_success = "https://restrict_user_success.example.com"
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cls.service_pattern_restrict_user_success = models.ServicePattern.objects.create(
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name="restrict_user_success",
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pattern=r"^https://restrict_user_success\.example\.com(/.*)?$",
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restrict_users=True,
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proxy=proxy,
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)
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models.Username.objects.create(
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value=settings.CAS_TEST_USER,
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service_pattern=cls.service_pattern_restrict_user_success
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)
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# For testing the user attributes filtering conditions
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cls.service_filter_fail = "https://filter_fail.example.com"
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cls.service_pattern_filter_fail = models.ServicePattern.objects.create(
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name="filter_fail",
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pattern=r"^https://filter_fail\.example\.com(/.*)?$",
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proxy=proxy,
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)
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models.FilterAttributValue.objects.create(
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attribut="right",
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pattern="^admin$",
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service_pattern=cls.service_pattern_filter_fail
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)
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cls.service_filter_fail_alt = "https://filter_fail_alt.example.com"
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cls.service_pattern_filter_fail_alt = models.ServicePattern.objects.create(
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name="filter_fail_alt",
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pattern=r"^https://filter_fail_alt\.example\.com(/.*)?$",
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proxy=proxy,
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)
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models.FilterAttributValue.objects.create(
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attribut="nom",
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pattern="^toto$",
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service_pattern=cls.service_pattern_filter_fail_alt
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)
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cls.service_filter_success = "https://filter_success.example.com"
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cls.service_pattern_filter_success = models.ServicePattern.objects.create(
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name="filter_success",
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pattern=r"^https://filter_success\.example\.com(/.*)?$",
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proxy=proxy,
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)
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models.FilterAttributValue.objects.create(
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attribut="email",
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pattern="^%s$" % re.escape(settings.CAS_TEST_ATTRIBUTES['email']),
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service_pattern=cls.service_pattern_filter_success
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)
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# For testing the user_field attributes
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cls.service_field_needed_fail = "https://field_needed_fail.example.com"
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cls.service_pattern_field_needed_fail = models.ServicePattern.objects.create(
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name="field_needed_fail",
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pattern=r"^https://field_needed_fail\.example\.com(/.*)?$",
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user_field="uid",
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proxy=proxy,
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)
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cls.service_field_needed_success = "https://field_needed_success.example.com"
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cls.service_pattern_field_needed_success = models.ServicePattern.objects.create(
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name="field_needed_success",
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pattern=r"^https://field_needed_success\.example\.com(/.*)?$",
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user_field="alias",
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proxy=proxy,
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)
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cls.service_field_needed_success_alt = "https://field_needed_success_alt.example.com"
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cls.service_pattern_field_needed_success = models.ServicePattern.objects.create(
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name="field_needed_success_alt",
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pattern=r"^https://field_needed_success_alt\.example\.com(/.*)?$",
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user_field="nom",
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proxy=proxy,
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)
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class XmlContent(object):
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"""Mixin for test on CAS XML responses"""
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def assert_error(self, response, code, text=None):
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"""Assert a validation error"""
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self.assertEqual(response.status_code, 200)
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root = etree.fromstring(response.content)
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error = root.xpath(
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"//cas:authenticationFailure",
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namespaces={'cas': "http://www.yale.edu/tp/cas"}
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)
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self.assertEqual(len(error), 1)
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self.assertEqual(error[0].attrib['code'], code)
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if text is not None:
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self.assertEqual(error[0].text, text)
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def assert_success(self, response, username, original_attributes):
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"""assert a ticket validation success"""
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self.assertEqual(response.status_code, 200)
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root = etree.fromstring(response.content)
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sucess = root.xpath(
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"//cas:authenticationSuccess",
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namespaces={'cas': "http://www.yale.edu/tp/cas"}
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)
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self.assertTrue(sucess)
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users = root.xpath("//cas:user", namespaces={'cas': "http://www.yale.edu/tp/cas"})
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self.assertEqual(len(users), 1)
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self.assertEqual(users[0].text, username)
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attributes = root.xpath(
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"//cas:attributes",
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namespaces={'cas': "http://www.yale.edu/tp/cas"}
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)
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self.assertEqual(len(attributes), 1)
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ignore_attrs = {
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"authenticationDate", "longTermAuthenticationRequestTokenUsed", "isFromNewLogin"
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}
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ignored_attrs = 0
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attrs1 = set()
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for attr in attributes[0]:
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name = attr.tag[len("http://www.yale.edu/tp/cas")+2:]
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if name not in ignore_attrs:
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attrs1.add((name, attr.text))
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else:
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ignored_attrs += 1
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attributes = root.xpath("//cas:attribute", namespaces={'cas': "http://www.yale.edu/tp/cas"})
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self.assertEqual(len(attributes), len(attrs1) + ignored_attrs)
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attrs2 = set()
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for attr in attributes:
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name = attr.attrib['name']
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if name not in ignore_attrs:
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attrs2.add((name, attr.attrib['value']))
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original = set()
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for key, value in original_attributes.items():
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if isinstance(value, list):
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for sub_value in value:
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original.add((key, sub_value))
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else:
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original.add((key, value))
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self.assertEqual(attrs1, attrs2)
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self.assertEqual(attrs1, original)
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return root
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class UserModels(object):
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"""Mixin for test on CAS user models"""
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@staticmethod
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def expire_user():
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"""return an expired user"""
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client = get_auth_client()
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new_date = timezone.now() - timedelta(seconds=(settings.SESSION_COOKIE_AGE + 600))
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models.User.objects.filter(
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username=settings.CAS_TEST_USER,
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session_key=client.session.session_key
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).update(date=new_date)
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return client
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@staticmethod
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def tgt_expired_user(sec):
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"""return a user logged since sec seconds"""
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client = get_auth_client()
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new_date = timezone.now() - timedelta(seconds=(sec))
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models.User.objects.filter(
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username=settings.CAS_TEST_USER,
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session_key=client.session.session_key
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).update(last_login=new_date)
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return client
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@staticmethod
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def get_user(client):
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"""return the user associated with an authenticated client"""
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return models.User.objects.get(
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username=settings.CAS_TEST_USER,
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session_key=client.session.session_key
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)
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class CanLogin(object):
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"""Assertion about login"""
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def assert_logged(
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self, client, response, warn=False,
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code=200, username=settings.CAS_TEST_USER
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):
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"""Assertions testing that client is well authenticated"""
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self.assertEqual(response.status_code, code)
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# this message is displayed to the user upon successful authentication
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self.assertIn(
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(
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b"You have successfully logged into "
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b"the Central Authentication Service"
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),
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response.content
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)
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# these session variables a set if usccessfully authenticated
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self.assertEqual(client.session["username"], username)
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self.assertIs(client.session["warn"], warn)
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self.assertIs(client.session["authenticated"], True)
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# on successfull authentication, a corresponding user object is created
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self.assertTrue(
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models.User.objects.get(
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username=username,
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session_key=client.session.session_key
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)
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)
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def assert_login_failed(self, client, response, code=200):
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"""Assertions testing a failed login attempt"""
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self.assertEqual(response.status_code, code)
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# this message is displayed to the user upon successful authentication, so it should not
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# appear
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self.assertNotIn(
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(
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b"You have successfully logged into "
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b"the Central Authentication Service"
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),
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response.content
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)
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# if authentication has failed, these session variables should not be set
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self.assertTrue(client.session.get("username") is None)
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self.assertTrue(client.session.get("warn") is None)
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self.assertTrue(client.session.get("authenticated") is None)
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class FederatedIendityProviderModel(object):
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"""Mixin for test classes using the FederatedIendityProvider model"""
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@staticmethod
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def setup_federated_identity_provider(providers):
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"""setting up federated identity providers"""
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for suffix, (server_url, cas_protocol_version, verbose_name) in providers.items():
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models.FederatedIendityProvider.objects.create(
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suffix=suffix,
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server_url=server_url,
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cas_protocol_version=cas_protocol_version,
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verbose_name=verbose_name
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)
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