1774 lines
76 KiB
Python
1774 lines
76 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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"""Tests module for views"""
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from cas_server.default_settings import settings
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import django
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from django.test import TestCase, Client
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from django.test.utils import override_settings
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from django.utils import timezone
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import random
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import json
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from lxml import etree
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from six.moves import range
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from cas_server import models
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from cas_server import utils
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from cas_server.tests.utils import (
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copy_form,
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get_login_page_params,
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get_auth_client,
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get_user_ticket_request,
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get_pgt,
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get_proxy_ticket,
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get_validated_ticket,
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HttpParamsHandler,
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Http404Handler
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)
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from cas_server.tests.mixin import BaseServicePattern, XmlContent, CanLogin
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@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
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class LoginTestCase(TestCase, BaseServicePattern, CanLogin):
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"""Tests for the login view"""
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def setUp(self):
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"""Prepare the test context:"""
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# we prepare a bunch a service url and service patterns for tests
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self.setup_service_patterns()
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def test_login_view_post_goodpass_goodlt(self):
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"""Test a successul login"""
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# we get a client who fetch a frist time the login page and the login form default
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# parameters
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client, params = get_login_page_params()
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# we set username/password in the form
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params["username"] = settings.CAS_TEST_USER
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params["password"] = settings.CAS_TEST_PASSWORD
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# the LoginTicket in the form should match a valid LT in the user session
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self.assertTrue(params['lt'] in client.session['lt'])
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# we post a login attempt
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response = client.post('/login', params)
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# as username/password/lt are all valid, the login should succed
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self.assert_logged(client, response)
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# The LoginTicket is conssumed and should no longer be valid
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self.assertTrue(params['lt'] not in client.session['lt'])
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def test_login_view_post_goodpass_goodlt_warn(self):
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"""Test a successul login requesting to be warned before creating services tickets"""
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# get a client and initial login params
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client, params = get_login_page_params()
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# set valids usernames/passswords
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params["username"] = settings.CAS_TEST_USER
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params["password"] = settings.CAS_TEST_PASSWORD
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# this time, we check the warn checkbox
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params["warn"] = "on"
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# postings login request
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response = client.post('/login', params)
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# as username/password/lt are all valid, the login should succed and warn be enabled
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self.assert_logged(client, response, warn=True)
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def test_lt_max(self):
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"""Check we only keep the last 100 Login Ticket for a user"""
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# get a client and initial login params
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client, params = get_login_page_params()
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# get a first LT that should be valid
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current_lt = params["lt"]
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# we keep the last 100 generated LT by user, so after having generated `i_in_test` we
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# test if `current_lt` is still valid
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i_in_test = random.randint(0, 99)
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# after `i_not_in_test` `current_lt` should be valid not more
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i_not_in_test = random.randint(101, 150)
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# start generating 150 LT
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for i in range(150):
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if i == i_in_test:
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# before more than 100 LT generated, the first TL should be valid
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self.assertTrue(current_lt in client.session['lt'])
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if i == i_not_in_test:
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# after more than 100 LT generated, the first LT should be valid no more
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self.assertTrue(current_lt not in client.session['lt'])
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# assert that we do not keep more that 100 valid LT
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self.assertTrue(len(client.session['lt']) <= 100)
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# generate a new LT by getting the login page
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client, params = get_login_page_params(client)
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# in the end, we still have less that 100 valid LT
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self.assertTrue(len(client.session['lt']) <= 100)
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def test_login_view_post_badlt(self):
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"""Login attempt with a bad LoginTicket, login should fail"""
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# get a client and initial login params
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client, params = get_login_page_params()
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# set valid username/password
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params["username"] = settings.CAS_TEST_USER
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params["password"] = settings.CAS_TEST_PASSWORD
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# set a bad LT
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params["lt"] = 'LT-random'
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# posting the login request
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response = client.post('/login', params)
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# as the LT is not valid, login should fail
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self.assert_login_failed(client, response)
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# the reason why login has failed is displayed to the user
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self.assertTrue(b"Invalid login ticket" in response.content)
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def test_login_view_post_badpass_good_lt(self):
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"""Login attempt with a bad password"""
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# get a client and initial login params
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client, params = get_login_page_params()
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# set valid username but invalid password
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params["username"] = settings.CAS_TEST_USER
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params["password"] = "test2"
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# posting the login request
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response = client.post('/login', params)
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# as the password is wrong, login should fail
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self.assert_login_failed(client, response)
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# the reason why login has failed is displayed to the user
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self.assertTrue(
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(
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b"The credentials you provided cannot be "
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b"determined to be authentic"
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) in response.content
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)
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def assert_ticket_attributes(self, client, ticket_value):
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"""check the ticket attributes in the db"""
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# Get get current session user in the db
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user = 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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# we should find exactly one user
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self.assertTrue(user)
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# get the ticker object corresponting to `ticket_value`
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ticket = models.ServiceTicket.objects.get(value=ticket_value)
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# chek that the ticket is well attributed to the user
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self.assertEqual(ticket.user, user)
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# check that the user attributes match the attributes registered on the ticket
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self.assertEqual(ticket.attributs, settings.CAS_TEST_ATTRIBUTES)
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# check that the ticket has not being validated yet
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self.assertEqual(ticket.validate, False)
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# check that the service pattern registered on the ticket is the on we use for tests
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self.assertEqual(ticket.service_pattern, self.service_pattern)
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def assert_service_ticket(self, client, response):
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"""check that a ticket is well emited when requested on a allowed service"""
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# On ticket emission, we should be redirected to the service url, setting the ticket
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# GET parameter
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self.assertEqual(response.status_code, 302)
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self.assertTrue(response.has_header('Location'))
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self.assertTrue(
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response['Location'].startswith(
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"https://www.example.com?ticket=%s-" % settings.CAS_SERVICE_TICKET_PREFIX
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)
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)
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# check that the value of the ticket GET parameter match the value of the ticket
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# created in the db
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ticket_value = response['Location'].split('ticket=')[-1]
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self.assert_ticket_attributes(client, ticket_value)
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def test_view_login_get_allowed_service(self):
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"""Request a ticket for an allowed service by an unauthenticated client"""
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# get a bare new http client
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client = Client()
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# we are not authenticated and are asking for a ticket for https://www.example.com
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# which is a valid service matched by self.service_pattern
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response = client.get("/login?service=https://www.example.com")
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# the login page should be displayed
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self.assertEqual(response.status_code, 200)
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# we warn the user why it need to authenticated
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self.assertTrue(
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(
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b"Authentication required by service "
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b"example (https://www.example.com)"
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) in response.content
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)
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def test_view_login_get_denied_service(self):
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"""Request a ticket for an denied service by an unauthenticated client"""
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# get a bare new http client
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client = Client()
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# we are not authenticated and are asking for a ticket for https://www.example.net
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# which is NOT a valid service
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response = client.get("/login?service=https://www.example.net")
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self.assertEqual(response.status_code, 200)
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# we warn the user that https://www.example.net is not an allowed service url
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self.assertTrue(b"Service https://www.example.net non allowed" in response.content)
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def test_view_login_get_auth_allowed_service(self):
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"""Request a ticket for an allowed service by an authenticated client"""
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# get a client that is already authenticated
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client = get_auth_client()
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# ask for a ticket for https://www.example.com
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response = client.get("/login?service=https://www.example.com")
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# as https://www.example.com is a valid service a ticket should be created and the
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# user redirected to the service url
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self.assert_service_ticket(client, response)
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def test_view_login_get_auth_allowed_service_warn(self):
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"""Request a ticket for an allowed service by an authenticated client"""
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# get a client that is already authenticated and has ask to be warned befor we
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# generated a ticket
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client = get_auth_client(warn="on")
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# ask for a ticket for https://www.example.com
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response = client.get("/login?service=https://www.example.com")
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# we display a warning to the user, asking him to validate the ticket creation (insted
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# a generating and redirecting directly to the service url)
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self.assertEqual(response.status_code, 200)
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self.assertTrue(
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(
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b"Authentication has been required by service "
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b"example (https://www.example.com)"
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) in response.content
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)
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# get the displayed form parameters
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params = copy_form(response.context["form"])
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# we post, confirming we want a ticket
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response = client.post("/login", params)
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# as https://www.example.com is a valid service a ticket should be created and the
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# user redirected to the service url
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self.assert_service_ticket(client, response)
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def test_view_login_get_auth_denied_service(self):
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"""Request a ticket for a not allowed service by an authenticated client"""
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# get a client that is already authenticated
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client = get_auth_client()
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# we are authenticated and are asking for a ticket for https://www.example.org
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# which is NOT a valid service
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response = client.get("/login?service=https://www.example.org")
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self.assertEqual(response.status_code, 200)
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# we warn the user that https://www.example.net is not an allowed service url
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# NO ticket are created
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self.assertTrue(b"Service https://www.example.org non allowed" in response.content)
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def test_user_logged_not_in_db(self):
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"""If the user is logged but has been delete from the database, it should be logged out"""
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# get a client that is already authenticated
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client = get_auth_client()
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# delete the user in the db
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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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).delete()
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# fetch the login page
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response = client.get("/login")
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# The user should be logged out
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self.assert_login_failed(client, response, code=302)
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# and redirected to the login page. We branch depending on the version a django as
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# the test client behaviour changed after django 1.9
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if django.VERSION < (1, 9): # pragma: no cover coverage is computed with dango 1.9
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self.assertEqual(response["Location"], "http://testserver/login")
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else:
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self.assertEqual(response["Location"], "/login?")
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def test_service_restrict_user(self):
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"""Testing the restric user capability from a service"""
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# get a client that is already authenticated
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client = get_auth_client()
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# trying to get a ticket from a service url matched by a service pattern having a
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# restriction on the usernames allowed to get tickets. the test user username is not one
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# of this username.
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response = client.get("/login", {'service': self.service_restrict_user_fail})
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self.assertEqual(response.status_code, 200)
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# the ticket is not created and a warning is displayed to the user
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self.assertTrue(b"Username non allowed" in response.content)
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# same but with the tes user username being one of the allowed usernames
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response = client.get("/login", {'service': self.service_restrict_user_success})
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# the ticket is created and we are redirected to the service url
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self.assertEqual(response.status_code, 302)
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self.assertTrue(
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response["Location"].startswith("%s?ticket=" % self.service_restrict_user_success)
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)
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def test_service_filter(self):
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"""Test the filtering on user attributes"""
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# get a client that is already authenticated
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client = get_auth_client()
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# trying to get a ticket from a service url matched by a service pattern having
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# a restriction on the user attributes. The test user if ailing these restrictions
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# We try first with a single value attribut (aka a string) and then with
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# a multi values attributs (aka a list of strings)
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for service in [self.service_filter_fail, self.service_filter_fail_alt]:
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response = client.get("/login", {'service': service})
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# the ticket is not created and a warning is displayed to the user
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self.assertEqual(response.status_code, 200)
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self.assertTrue(b"User charateristics non allowed" in response.content)
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# same but with rectriction that a valid upon the test user attributes
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response = client.get("/login", {'service': self.service_filter_success})
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# the ticket us created and the user redirected to the service url
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self.assertEqual(response.status_code, 302)
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self.assertTrue(response["Location"].startswith("%s?ticket=" % self.service_filter_success))
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def test_service_user_field(self):
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"""Test using a user attribute as username: case on if the attribute exists or not"""
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# get a client that is already authenticated
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client = get_auth_client()
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# trying to get a ticket from a service url matched by a service pattern that use
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# a particular attribute has username. The test user do NOT have this attribute
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response = client.get("/login", {'service': self.service_field_needed_fail})
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# the ticket is not created and a warning is displayed to the user
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self.assertEqual(response.status_code, 200)
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self.assertTrue(b"The attribut uid is needed to use that service" in response.content)
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# same but with a attribute that the test user has
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response = client.get("/login", {'service': self.service_field_needed_success})
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# the ticket us created and the user redirected to the service url
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self.assertEqual(response.status_code, 302)
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self.assertTrue(
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response["Location"].startswith("%s?ticket=" % self.service_field_needed_success)
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)
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@override_settings(CAS_TEST_ATTRIBUTES={'alias': []})
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def test_service_user_field_evaluate_to_false(self):
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"""
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Test using a user attribute as username:
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case the attribute exists but evaluate to False
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"""
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# get a client that is already authenticated
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client = get_auth_client()
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# trying to get a ticket from a service url matched by a service pattern that use
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# a particular attribute has username. The test user have this attribute, but it is
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# evaluated to False (eg an empty string "" or an empty list [])
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response = client.get("/login", {"service": self.service_field_needed_success})
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# the ticket is not created and a warning is displayed to the user
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self.assertEqual(response.status_code, 200)
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self.assertTrue(b"The attribut alias is needed to use that service" in response.content)
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def test_gateway(self):
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"""test gateway parameter"""
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# First with an authenticated client that fail to get a ticket for a service
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service = "https://restrict_user_fail.example.com"
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# get a client that is already authenticated
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client = get_auth_client()
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# the authenticated client fail to get a ticket for some reason
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response = client.get("/login", {'service': service, 'gateway': 'on'})
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# as gateway is set, he is redirected to the service url without any ticket
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self.assertEqual(response.status_code, 302)
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self.assertEqual(response["Location"], service)
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# second for an user not yet authenticated on a valid service
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client = Client()
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# the client fail to get a ticket since he is not yep authenticated
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response = client.get('/login', {'service': service, 'gateway': 'on'})
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# as gateway is set, he is redirected to the service url without any ticket
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self.assertEqual(response.status_code, 302)
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self.assertEqual(response["Location"], service)
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def test_renew(self):
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"""test the authentication renewal request from a service"""
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# use the default test service
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service = "https://www.example.com"
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# get a client that is already authenticated
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client = get_auth_client()
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# ask for a ticket for the service but aks for authentication renewal
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response = client.get("/login", {'service': service, 'renew': 'on'})
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# we are ask to reauthenticate and tell the user why
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self.assertEqual(response.status_code, 200)
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self.assertTrue(
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(
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b"Authentication renewal required by "
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b"service example (https://www.example.com)"
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) in response.content
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)
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# get the form default parameter
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params = copy_form(response.context["form"])
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# set valid username/password
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params["username"] = settings.CAS_TEST_USER
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params["password"] = settings.CAS_TEST_PASSWORD
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# the renew parameter from the form should be True
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self.assertEqual(params["renew"], True)
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# post the authentication request
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response = client.post("/login", params)
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# the request succed, a ticket is created and we are redirected to the service url
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self.assertEqual(response.status_code, 302)
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ticket_value = response['Location'].split('ticket=')[-1]
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ticket = models.ServiceTicket.objects.get(value=ticket_value)
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# the created ticket is marked has being gottent after a renew. Futher testing about
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# renewing authentication is done in the validate and serviceValidate views tests
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self.assertEqual(ticket.renew, True)
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@override_settings(CAS_ENABLE_AJAX_AUTH=True)
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def test_ajax_login_required(self):
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"""
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test ajax, login required.
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The ajax methods allow the log a user in using javascript.
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For doing so, every 302 redirection a replaced by a 200 returning a json with the
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url to redirect to.
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By default, ajax login is disabled.
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If CAS_ENABLE_AJAX_AUTH is True, ajax login is enable and only page on the same domain
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as the CAS can do ajax request. To allow pages on other domains, you need to use CORS.
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You can use the django app corsheaders for that. Be carefull to only allow domains
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you completly trust as any javascript on these domaine will be able to authenticate
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as the user.
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"""
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# get a bare client
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client = Client()
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# fetch the login page setting up the custom header HTTP_X_AJAX to tell we wish to de
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# ajax requests
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response = client.get("/login", HTTP_X_AJAX='on')
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# we get a json as response telling us the user need to be authenticated
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self.assertEqual(response.status_code, 200)
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data = json.loads(response.content.decode("utf8"))
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self.assertEqual(data["status"], "error")
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self.assertEqual(data["detail"], "login required")
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self.assertEqual(data["url"], "/login")
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@override_settings(CAS_ENABLE_AJAX_AUTH=True)
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def test_ajax_logged_user_deleted(self):
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"""test ajax user logged deleted: login required"""
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# get a client that is already authenticated
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client = get_auth_client()
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# delete the user in the db
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user = 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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user.delete()
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# fetch the login page with ajax on
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response = client.get("/login", HTTP_X_AJAX='on')
|
|
# we get a json telling us that the user need to authenticate
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "error")
|
|
self.assertEqual(data["detail"], "login required")
|
|
self.assertEqual(data["url"], "/login")
|
|
|
|
@override_settings(CAS_ENABLE_AJAX_AUTH=True)
|
|
def test_ajax_logged(self):
|
|
"""test ajax user is successfully logged"""
|
|
# get a client that is already authenticated
|
|
client = get_auth_client()
|
|
# fetch the login page with ajax on
|
|
response = client.get("/login", HTTP_X_AJAX='on')
|
|
# we get a json telling us that the user is well authenticated
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "success")
|
|
self.assertEqual(data["detail"], "logged")
|
|
|
|
@override_settings(CAS_ENABLE_AJAX_AUTH=True)
|
|
def test_ajax_get_ticket_success(self):
|
|
"""test ajax retrieve a ticket for an allowed service"""
|
|
# using the default test service
|
|
service = "https://www.example.com"
|
|
# get a client that is already authenticated
|
|
client = get_auth_client()
|
|
# fetch the login page with ajax on
|
|
response = client.get("/login", {'service': service}, HTTP_X_AJAX='on')
|
|
# we get a json telling us that the ticket has being created
|
|
# and we get the url to fetch to authenticate the user to the service
|
|
# contening the ticket has GET parameter
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "success")
|
|
self.assertEqual(data["detail"], "auth")
|
|
self.assertTrue(data["url"].startswith('%s?ticket=' % service))
|
|
|
|
def test_ajax_get_ticket_success_alt(self):
|
|
"""
|
|
test ajax retrieve a ticket for an allowed service.
|
|
Same as above but with CAS_ENABLE_AJAX_AUTH=False
|
|
"""
|
|
# using the default test service
|
|
service = "https://www.example.com"
|
|
# get a client that is already authenticated
|
|
client = get_auth_client()
|
|
# fetch the login page with ajax on
|
|
response = client.get("/login", {'service': service}, HTTP_X_AJAX='on')
|
|
# as CAS_ENABLE_AJAX_AUTH is False the ajax request is ignored and word normally:
|
|
# 302 redirect to the service url with ticket as GET parameter. javascript
|
|
# cannot retieve the ticket info and try follow the redirect to an other domain and fail
|
|
# silently
|
|
self.assertEqual(response.status_code, 302)
|
|
|
|
@override_settings(CAS_ENABLE_AJAX_AUTH=True)
|
|
def test_ajax_get_ticket_fail(self):
|
|
"""test ajax retrieve a ticket for a denied service"""
|
|
# using a denied service url
|
|
service = "https://www.example.org"
|
|
# get a client that is already authenticated
|
|
client = get_auth_client()
|
|
# fetch the login page with ajax on
|
|
response = client.get("/login", {'service': service}, HTTP_X_AJAX='on')
|
|
# we get a json telling us that the service is not allowed
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "error")
|
|
self.assertEqual(data["detail"], "auth")
|
|
self.assertEqual(data["messages"][0]["level"], "error")
|
|
self.assertEqual(
|
|
data["messages"][0]["message"],
|
|
"Service https://www.example.org non allowed."
|
|
)
|
|
|
|
@override_settings(CAS_ENABLE_AJAX_AUTH=True)
|
|
def test_ajax_get_ticket_warn(self):
|
|
"""test get a ticket but user asked to be warned"""
|
|
# using the default test service
|
|
service = "https://www.example.com"
|
|
# get a client that is already authenticated wth warn on
|
|
client = get_auth_client(warn="on")
|
|
# fetch the login page with ajax on
|
|
response = client.get("/login", {'service': service}, HTTP_X_AJAX='on')
|
|
# we get a json telling us that we cannot get a ticket transparently and that the
|
|
# user has asked to be warned
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "error")
|
|
self.assertEqual(data["detail"], "confirmation needed")
|
|
|
|
|
|
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
|
|
class LogoutTestCase(TestCase):
|
|
"""test fot the logout view"""
|
|
def setUp(self):
|
|
"""Prepare the test context"""
|
|
# for testing SingleLogOut we need to use a service on localhost were we lanch
|
|
# a simple one request http server
|
|
self.service = 'http://127.0.0.1:45678'
|
|
self.service_pattern = models.ServicePattern.objects.create(
|
|
name="localhost",
|
|
pattern="^https?://127\.0\.0\.1(:[0-9]+)?(/.*)?$",
|
|
single_log_out=True
|
|
)
|
|
# return all user attributes
|
|
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
|
|
|
|
def test_logout(self):
|
|
"""logout is idempotent"""
|
|
# get a bare client
|
|
client = Client()
|
|
|
|
# call logout
|
|
client.get("/logout")
|
|
|
|
# we are still not logged
|
|
self.assertFalse(client.session.get("username"))
|
|
self.assertFalse(client.session.get("authenticated"))
|
|
|
|
def test_logout_view(self):
|
|
"""test simple logout, logout only an user from one and only one sessions"""
|
|
# get two authenticated client with the same test user (but two different sessions)
|
|
client = get_auth_client()
|
|
client2 = get_auth_client()
|
|
|
|
# fetch login, the first client is well authenticated
|
|
response = client.get("/login")
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertTrue(
|
|
(
|
|
b"You have successfully logged into "
|
|
b"the Central Authentication Service"
|
|
) in response.content
|
|
)
|
|
# and session variable are well
|
|
self.assertTrue(client.session["username"] == settings.CAS_TEST_USER)
|
|
self.assertTrue(client.session["authenticated"] is True)
|
|
|
|
# call logout with the first client
|
|
response = client.get("/logout")
|
|
# the client is logged out
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertTrue(
|
|
(
|
|
b"You have successfully logged out from "
|
|
b"the Central Authentication Service"
|
|
) in response.content
|
|
)
|
|
# and session variable a well cleaned
|
|
self.assertFalse(client.session.get("username"))
|
|
self.assertFalse(client.session.get("authenticated"))
|
|
# client2 is still logged
|
|
self.assertTrue(client2.session["username"] == settings.CAS_TEST_USER)
|
|
self.assertTrue(client2.session["authenticated"] is True)
|
|
|
|
response = client.get("/login")
|
|
# fetch login, the second client is well authenticated
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertFalse(
|
|
(
|
|
b"You have successfully logged into "
|
|
b"the Central Authentication Service"
|
|
) in response.content
|
|
)
|
|
|
|
def test_logout_from_all_session(self):
|
|
"""test logout from all my session"""
|
|
# get two authenticated client with the same test user (but two different sessions)
|
|
client = get_auth_client()
|
|
client2 = get_auth_client()
|
|
|
|
# call logout with the first client and ask to be logged out from all of this user sessions
|
|
client.get("/logout?all=1")
|
|
|
|
# both client are logged out
|
|
self.assertFalse(client.session.get("username"))
|
|
self.assertFalse(client.session.get("authenticated"))
|
|
self.assertFalse(client2.session.get("username"))
|
|
self.assertFalse(client2.session.get("authenticated"))
|
|
|
|
def assert_redirect_to_service(self, client, response):
|
|
"""assert logout redirect to parameter"""
|
|
# assert a redirection with a service
|
|
self.assertEqual(response.status_code, 302)
|
|
self.assertTrue(response.has_header("Location"))
|
|
self.assertEqual(response["Location"], "https://www.example.com")
|
|
|
|
response = client.get("/login")
|
|
self.assertEqual(response.status_code, 200)
|
|
# assert we are not longer logged in
|
|
self.assertFalse(
|
|
(
|
|
b"You have successfully logged into "
|
|
b"the Central Authentication Service"
|
|
) in response.content
|
|
)
|
|
|
|
def test_logout_view_url(self):
|
|
"""test logout redirect to url parameter"""
|
|
# get a client that is authenticated
|
|
client = get_auth_client()
|
|
|
|
# logout with an url paramer
|
|
response = client.get('/logout?url=https://www.example.com')
|
|
# we are redirected to the addresse of the url parameter
|
|
self.assert_redirect_to_service(client, response)
|
|
|
|
def test_logout_view_service(self):
|
|
"""test logout redirect to service parameter"""
|
|
# get a client that is authenticated
|
|
client = get_auth_client()
|
|
|
|
# logout with a service parameter
|
|
response = client.get('/logout?service=https://www.example.com')
|
|
# we are redirected to the addresse of the service parameter
|
|
self.assert_redirect_to_service(client, response)
|
|
|
|
def test_logout_slo(self):
|
|
"""test logout from a service with SLO support"""
|
|
parameters = []
|
|
|
|
# test normal SLO
|
|
# setup a simple one request http server
|
|
(httpd, host, port) = HttpParamsHandler.run()[0:3]
|
|
# build a service url depending on which port the http server has binded
|
|
service = "http://%s:%s" % (host, port)
|
|
# get a ticket requested by client and being validated by the service
|
|
(client, ticket) = get_validated_ticket(service)[:2]
|
|
# the client logout triggering the send of the SLO requests
|
|
client.get('/logout')
|
|
# we store the POST parameters send for this ticket for furthur analisys
|
|
parameters.append((httpd.PARAMS, ticket))
|
|
|
|
# text SLO with a single_log_out_callback
|
|
# setup a simple one request http server
|
|
(httpd, host, port) = HttpParamsHandler.run()[0:3]
|
|
# set the default test service pattern to use the http server port for SLO requests.
|
|
# in fact, this single_log_out_callback parametter is usefull to implement SLO
|
|
# for non http service like imap or ftp
|
|
self.service_pattern.single_log_out_callback = "http://%s:%s" % (host, port)
|
|
self.service_pattern.save()
|
|
# get a ticket requested by client and being validated by the service
|
|
(client, ticket) = get_validated_ticket(self.service)[:2]
|
|
# the client logout triggering the send of the SLO requests
|
|
client.get('/logout')
|
|
# we store the POST parameters send for this ticket for furthur analisys
|
|
parameters.append((httpd.PARAMS, ticket))
|
|
|
|
# for earch POST parameters and corresponding ticket
|
|
for (params, ticket) in parameters:
|
|
# there is a POST parameter 'logoutRequest'
|
|
self.assertTrue(b'logoutRequest' in params and params[b'logoutRequest'])
|
|
|
|
# it is a valid xml
|
|
root = etree.fromstring(params[b'logoutRequest'][0])
|
|
# contening a <samlp:LogoutRequest> tag
|
|
self.assertTrue(
|
|
root.xpath(
|
|
"//samlp:LogoutRequest",
|
|
namespaces={"samlp": "urn:oasis:names:tc:SAML:2.0:protocol"}
|
|
)
|
|
)
|
|
# with a tag <samlp:SessionIndex> enclosing the value of the ticket
|
|
session_index = root.xpath(
|
|
"//samlp:SessionIndex",
|
|
namespaces={"samlp": "urn:oasis:names:tc:SAML:2.0:protocol"}
|
|
)
|
|
self.assertEqual(len(session_index), 1)
|
|
self.assertEqual(session_index[0].text, ticket.value)
|
|
|
|
# SLO error are displayed on logout page
|
|
(client, ticket) = get_validated_ticket(self.service)[:2]
|
|
# the client logout triggering the send of the SLO requests but
|
|
# not http server are listening
|
|
response = client.get('/logout')
|
|
self.assertTrue(b"Error during service logout" in response.content)
|
|
|
|
@override_settings(CAS_ENABLE_AJAX_AUTH=True)
|
|
def test_ajax_logout(self):
|
|
"""
|
|
test ajax logout. These methode are here, but I do not really see an use case for
|
|
javascript logout
|
|
"""
|
|
# get a client that is authenticated
|
|
client = get_auth_client()
|
|
|
|
# fetch the logout page with ajax on
|
|
response = client.get('/logout', HTTP_X_AJAX='on')
|
|
# we get a json telling us the user is well logged out
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "success")
|
|
self.assertEqual(data["detail"], "logout")
|
|
self.assertEqual(data['session_nb'], 1)
|
|
|
|
@override_settings(CAS_ENABLE_AJAX_AUTH=True)
|
|
def test_ajax_logout_all_session(self):
|
|
"""test ajax logout from a random number a sessions"""
|
|
# fire a random int in [2, 10[
|
|
nb_client = random.randint(2, 10)
|
|
# get this much of logged clients all for the test user
|
|
clients = [get_auth_client() for i in range(nb_client)]
|
|
# fetch the logout page with ajax on, requesting to logout from all sessions
|
|
response = clients[0].get('/logout?all=1', HTTP_X_AJAX='on')
|
|
# we get a json telling us the user is well logged out and the number of session
|
|
# the user has being logged out
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "success")
|
|
self.assertEqual(data["detail"], "logout")
|
|
self.assertEqual(data['session_nb'], nb_client)
|
|
|
|
@override_settings(CAS_REDIRECT_TO_LOGIN_AFTER_LOGOUT=True)
|
|
def test_redirect_after_logout(self):
|
|
"""Test redirect to login after logout parameter"""
|
|
# get a client that is authenticated
|
|
client = get_auth_client()
|
|
|
|
# fetch the logout page
|
|
response = client.get('/logout')
|
|
# as CAS_REDIRECT_TO_LOGIN_AFTER_LOGOUT is True, we are redirected to the login page
|
|
self.assertEqual(response.status_code, 302)
|
|
if django.VERSION < (1, 9): # pragma: no cover coverage is computed with dango 1.9
|
|
self.assertEqual(response["Location"], "http://testserver/login")
|
|
else:
|
|
self.assertEqual(response["Location"], "/login")
|
|
self.assertFalse(client.session.get("username"))
|
|
self.assertFalse(client.session.get("authenticated"))
|
|
|
|
@override_settings(CAS_REDIRECT_TO_LOGIN_AFTER_LOGOUT=True)
|
|
def test_redirect_after_logout_to_service(self):
|
|
"""test prevalence of redirect url/service parameter over redirect to login after logout"""
|
|
# get a client that is authenticated
|
|
client = get_auth_client()
|
|
|
|
# fetch the logout page with an url parameter
|
|
response = client.get('/logout?url=https://www.example.com')
|
|
# we are redirected to the url parameter and not to the login page
|
|
self.assert_redirect_to_service(client, response)
|
|
|
|
# fetch the logout page with an service parameter
|
|
response = client.get('/logout?service=https://www.example.com')
|
|
# we are redirected to the service parameter and not to the login page
|
|
self.assert_redirect_to_service(client, response)
|
|
|
|
@override_settings(CAS_REDIRECT_TO_LOGIN_AFTER_LOGOUT=True, CAS_ENABLE_AJAX_AUTH=True)
|
|
def test_ajax_redirect_after_logout(self):
|
|
"""Test ajax redirect to login after logout parameter"""
|
|
# get a client that is authenticated
|
|
client = get_auth_client()
|
|
|
|
# fetch the logout page with ajax on
|
|
response = client.get('/logout', HTTP_X_AJAX='on')
|
|
# we get a json telling us the user is well logged out. And url key is added to aks for
|
|
# redirection to the login page
|
|
self.assertEqual(response.status_code, 200)
|
|
data = json.loads(response.content.decode("utf8"))
|
|
self.assertEqual(data["status"], "success")
|
|
self.assertEqual(data["detail"], "logout")
|
|
self.assertEqual(data['session_nb'], 1)
|
|
self.assertEqual(data['url'], '/login')
|
|
|
|
|
|
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
|
|
class AuthTestCase(TestCase):
|
|
"""
|
|
Test for the auth view, used for external services
|
|
to validate (user, pass, service) tuples.
|
|
"""
|
|
def setUp(self):
|
|
"""preparing test context"""
|
|
# setting up a default test service url and pattern
|
|
self.service = 'https://www.example.com'
|
|
models.ServicePattern.objects.create(
|
|
name="example",
|
|
pattern="^https://www\.example\.com(/.*)?$"
|
|
)
|
|
|
|
@override_settings(CAS_AUTH_SHARED_SECRET='test')
|
|
def test_auth_view_goodpass(self):
|
|
"""successful request are awsered by yes"""
|
|
# get a bare client
|
|
client = Client()
|
|
# post the the auth view a valid (username, password, service) and the shared secret
|
|
# to test the user again the service, a user is created in the database for the
|
|
# current session and is then deleted as the user is not authenticated
|
|
response = client.post(
|
|
'/auth',
|
|
{
|
|
'username': settings.CAS_TEST_USER,
|
|
'password': settings.CAS_TEST_PASSWORD,
|
|
'service': self.service,
|
|
'secret': 'test'
|
|
}
|
|
)
|
|
# as (username, password, service) and the hared secret are valid, we get yes as a response
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'yes\n')
|
|
|
|
@override_settings(CAS_AUTH_SHARED_SECRET='test')
|
|
def test_auth_view_goodpass_logged(self):
|
|
"""successful request are awsered by yes, using a logged sessions"""
|
|
# same as above
|
|
client = get_auth_client()
|
|
# to test the user again the service, a user is fetch in the database for the
|
|
# current session and is NOT deleted as the user is currently logged.
|
|
# Deleting the user from the database would cause the user to be logged out as
|
|
# showed in the login tests
|
|
response = client.post(
|
|
'/auth',
|
|
{
|
|
'username': settings.CAS_TEST_USER,
|
|
'password': settings.CAS_TEST_PASSWORD,
|
|
'service': self.service,
|
|
'secret': 'test'
|
|
}
|
|
)
|
|
# as (username, password, service) and the hared secret are valid, we get yes as a response
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'yes\n')
|
|
|
|
@override_settings(CAS_AUTH_SHARED_SECRET='test')
|
|
def test_auth_view_badpass(self):
|
|
""" bag user password => no"""
|
|
client = Client()
|
|
response = client.post(
|
|
'/auth',
|
|
{
|
|
'username': settings.CAS_TEST_USER,
|
|
'password': 'badpass',
|
|
'service': self.service,
|
|
'secret': 'test'
|
|
}
|
|
)
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'no\n')
|
|
|
|
@override_settings(CAS_AUTH_SHARED_SECRET='test')
|
|
def test_auth_view_badservice(self):
|
|
"""bad service => no"""
|
|
client = Client()
|
|
response = client.post(
|
|
'/auth',
|
|
{
|
|
'username': settings.CAS_TEST_USER,
|
|
'password': settings.CAS_TEST_PASSWORD,
|
|
'service': 'https://www.example.org',
|
|
'secret': 'test'
|
|
}
|
|
)
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'no\n')
|
|
|
|
@override_settings(CAS_AUTH_SHARED_SECRET='test')
|
|
def test_auth_view_badsecret(self):
|
|
"""bad api key => no"""
|
|
client = Client()
|
|
response = client.post(
|
|
'/auth',
|
|
{
|
|
'username': settings.CAS_TEST_USER,
|
|
'password': settings.CAS_TEST_PASSWORD,
|
|
'service': self.service,
|
|
'secret': 'badsecret'
|
|
}
|
|
)
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'no\n')
|
|
|
|
def test_auth_view_badsettings(self):
|
|
"""api not set => error"""
|
|
client = Client()
|
|
response = client.post(
|
|
'/auth',
|
|
{
|
|
'username': settings.CAS_TEST_USER,
|
|
'password': settings.CAS_TEST_PASSWORD,
|
|
'service': self.service,
|
|
'secret': 'test'
|
|
}
|
|
)
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b"no\nplease set CAS_AUTH_SHARED_SECRET")
|
|
|
|
@override_settings(CAS_AUTH_SHARED_SECRET='test')
|
|
def test_auth_view_missing_parameter(self):
|
|
"""missing parameter in request => no"""
|
|
client = Client()
|
|
params = {
|
|
'username': settings.CAS_TEST_USER,
|
|
'password': settings.CAS_TEST_PASSWORD,
|
|
'service': self.service,
|
|
'secret': 'test'
|
|
}
|
|
for key in ['username', 'password', 'service']:
|
|
send_params = params.copy()
|
|
del send_params[key]
|
|
response = client.post('/auth', send_params)
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'no\n')
|
|
|
|
|
|
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
|
|
class ValidateTestCase(TestCase):
|
|
"""tests for the validate view"""
|
|
def setUp(self):
|
|
"""preparing test context"""
|
|
# setting up a default test service url and pattern
|
|
self.service = 'https://www.example.com'
|
|
self.service_pattern = models.ServicePattern.objects.create(
|
|
name="example",
|
|
pattern="^https://www\.example\.com(/.*)?$"
|
|
)
|
|
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
|
|
# setting up a test service and pattern using a multi valued user attribut as username
|
|
# the first value of the list should be used as username
|
|
self.service_user_field = "https://user_field.example.com"
|
|
self.service_pattern_user_field = models.ServicePattern.objects.create(
|
|
name="user field",
|
|
pattern="^https://user_field\.example\.com(/.*)?$",
|
|
user_field="alias"
|
|
)
|
|
# setting up a test service and pattern using a single valued user attribut as username
|
|
self.service_user_field_alt = "https://user_field_alt.example.com"
|
|
self.service_pattern_user_field_alt = models.ServicePattern.objects.create(
|
|
name="user field alt",
|
|
pattern="^https://user_field_alt\.example\.com(/.*)?$",
|
|
user_field="nom"
|
|
)
|
|
|
|
def test_validate_view_ok(self):
|
|
"""test for a valid (ticket, service)"""
|
|
# get a ticket waiting to be validated for self.service
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
|
|
# get a bare client
|
|
client = Client()
|
|
# calling the validate view with this ticket value and service
|
|
response = client.get('/validate', {'ticket': ticket.value, 'service': self.service})
|
|
# get yes as a response and the test user username
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'yes\ntest\n')
|
|
|
|
def test_validate_view_badservice(self):
|
|
"""test for a valid ticket but bad service"""
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
|
|
client = Client()
|
|
# calling the validate view with this ticket value and another service
|
|
response = client.get(
|
|
'/validate',
|
|
{'ticket': ticket.value, 'service': "https://www.example.org"}
|
|
)
|
|
# the ticket service and validation service do not match, validation should fail
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'no\n')
|
|
|
|
def test_validate_view_badticket(self):
|
|
"""test for a bad ticket but valid service"""
|
|
get_user_ticket_request(self.service)
|
|
|
|
client = Client()
|
|
# calling the validate view with another ticket value and this service
|
|
response = client.get(
|
|
'/validate',
|
|
{'ticket': "%s-RANDOM" % settings.CAS_SERVICE_TICKET_PREFIX, 'service': self.service}
|
|
)
|
|
# as the ticket is bad, validation should fail
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'no\n')
|
|
|
|
def test_validate_user_field_ok(self):
|
|
"""
|
|
test with a good user_field. A bad user_field (that evaluate to False)
|
|
wont happed cause it is filtered in the login view
|
|
"""
|
|
for (service, username) in [
|
|
(self.service_user_field, b"demo1"),
|
|
(self.service_user_field_alt, b"Nymous")
|
|
]:
|
|
ticket = get_user_ticket_request(service)[1]
|
|
client = Client()
|
|
response = client.get(
|
|
'/validate',
|
|
{'ticket': ticket.value, 'service': service}
|
|
)
|
|
self.assertEqual(response.status_code, 200)
|
|
# the user attribute is well used as username
|
|
self.assertEqual(response.content, b'yes\n' + username + b'\n')
|
|
|
|
def test_validate_missing_parameter(self):
|
|
"""test with a missing GET parameter among [service, ticket]"""
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
|
|
client = Client()
|
|
params = {'ticket': ticket.value, 'service': self.service}
|
|
for key in ['ticket', 'service']:
|
|
send_params = params.copy()
|
|
del send_params[key]
|
|
response = client.get('/validate', send_params)
|
|
# if the GET request is missing the ticket or
|
|
# service GET parameter, validation should fail
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, b'no\n')
|
|
|
|
|
|
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
|
|
class ValidateServiceTestCase(TestCase, XmlContent):
|
|
"""tests for the serviceValidate view"""
|
|
def setUp(self):
|
|
"""preparing test context"""
|
|
# for testing SingleLogOut and Proxy GrantingTicket transmission
|
|
# we need to use a service on localhost were we launch
|
|
# a simple one request http server
|
|
self.service = 'http://127.0.0.1:45678'
|
|
self.service_pattern = models.ServicePattern.objects.create(
|
|
name="localhost",
|
|
pattern="^https?://127\.0\.0\.1(:[0-9]+)?(/.*)?$",
|
|
# allow to request PGT by the service
|
|
proxy_callback=True
|
|
)
|
|
# tell the service pattern to transmit all the user attributes (* is a joker)
|
|
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
|
|
|
|
# test service pattern using the attribute alias as username
|
|
self.service_user_field = "https://user_field.example.com"
|
|
self.service_pattern_user_field = models.ServicePattern.objects.create(
|
|
name="user field",
|
|
pattern="^https://user_field\.example\.com(/.*)?$",
|
|
user_field="alias"
|
|
)
|
|
# test service pattern using the attribute nom as username
|
|
self.service_user_field_alt = "https://user_field_alt.example.com"
|
|
self.service_pattern_user_field_alt = models.ServicePattern.objects.create(
|
|
name="user field alt",
|
|
pattern="^https://user_field_alt\.example\.com(/.*)?$",
|
|
user_field="nom"
|
|
)
|
|
|
|
# test service pattern only transmiting one single attributes
|
|
self.service_one_attribute = "https://one_attribute.example.com"
|
|
self.service_pattern_one_attribute = models.ServicePattern.objects.create(
|
|
name="one_attribute",
|
|
pattern="^https://one_attribute\.example\.com(/.*)?$"
|
|
)
|
|
models.ReplaceAttributName.objects.create(
|
|
name="nom",
|
|
service_pattern=self.service_pattern_one_attribute
|
|
)
|
|
|
|
# test service pattern testing attribute name and value replacement
|
|
self.service_replace_attribute_list = "https://replace_attribute_list.example.com"
|
|
self.service_pattern_replace_attribute_list = models.ServicePattern.objects.create(
|
|
name="replace_attribute_list",
|
|
pattern="^https://replace_attribute_list\.example\.com(/.*)?$",
|
|
)
|
|
models.ReplaceAttributValue.objects.create(
|
|
attribut="alias",
|
|
pattern="^demo",
|
|
replace="truc",
|
|
service_pattern=self.service_pattern_replace_attribute_list
|
|
)
|
|
models.ReplaceAttributName.objects.create(
|
|
name="alias",
|
|
replace="ALIAS",
|
|
service_pattern=self.service_pattern_replace_attribute_list
|
|
)
|
|
self.service_replace_attribute = "https://replace_attribute.example.com"
|
|
self.service_pattern_replace_attribute = models.ServicePattern.objects.create(
|
|
name="replace_attribute",
|
|
pattern="^https://replace_attribute\.example\.com(/.*)?$",
|
|
)
|
|
models.ReplaceAttributValue.objects.create(
|
|
attribut="nom",
|
|
pattern="N",
|
|
replace="P",
|
|
service_pattern=self.service_pattern_replace_attribute
|
|
)
|
|
models.ReplaceAttributName.objects.create(
|
|
name="nom",
|
|
replace="NOM",
|
|
service_pattern=self.service_pattern_replace_attribute
|
|
)
|
|
|
|
def test_validate_service_view_ok(self):
|
|
"""test with a valid (ticket, service), the username and all attributes are transmited"""
|
|
# get a ticket from an authenticated user waiting for validation
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
|
|
# get a bare client
|
|
client = Client()
|
|
# requesting validation with a good (ticket, service)
|
|
response = client.get('/serviceValidate', {'ticket': ticket.value, 'service': self.service})
|
|
# the validation should succes with username settings.CAS_TEST_USER and transmit
|
|
# the attributes settings.CAS_TEST_ATTRIBUTES
|
|
self.assert_success(response, settings.CAS_TEST_USER, settings.CAS_TEST_ATTRIBUTES)
|
|
|
|
def test_validate_service_view_ok_one_attribute(self):
|
|
"""
|
|
test with a valid (ticket, service), the username and
|
|
the 'nom' only attribute are transmited
|
|
"""
|
|
# get a ticket for a service that transmit only one attribute
|
|
ticket = get_user_ticket_request(self.service_one_attribute)[1]
|
|
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': self.service_one_attribute}
|
|
)
|
|
# the validation should succed, returning settings.CAS_TEST_USER as username and a single
|
|
# attribute 'nom'
|
|
self.assert_success(
|
|
response,
|
|
settings.CAS_TEST_USER,
|
|
{'nom': settings.CAS_TEST_ATTRIBUTES['nom']}
|
|
)
|
|
|
|
def test_validate_replace_attributes(self):
|
|
"""test with a valid (ticket, service), attributes name and value replacement"""
|
|
# get a ticket for a service pattern replacing attributes names
|
|
# nom -> NOM and value nom -> s/^N/P/ for a single valued attribute
|
|
ticket = get_user_ticket_request(self.service_replace_attribute)[1]
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': self.service_replace_attribute}
|
|
)
|
|
self.assert_success(
|
|
response,
|
|
settings.CAS_TEST_USER,
|
|
{'NOM': 'Pymous'}
|
|
)
|
|
|
|
# get a ticket for a service pattern replacing attributes names
|
|
# alias -> ALIAS and value alias -> s/demo/truc/ for a multi valued attribute
|
|
ticket = get_user_ticket_request(self.service_replace_attribute_list)[1]
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': self.service_replace_attribute_list}
|
|
)
|
|
self.assert_success(
|
|
response,
|
|
settings.CAS_TEST_USER,
|
|
{'ALIAS': ['truc1', 'truc2']}
|
|
)
|
|
|
|
def test_validate_service_view_badservice(self):
|
|
"""test with a valid ticket but a bad service, the validatin should fail"""
|
|
# get a ticket for service A
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
|
|
client = Client()
|
|
bad_service = "https://www.example.org"
|
|
# try to validate it for service B
|
|
response = client.get('/serviceValidate', {'ticket': ticket.value, 'service': bad_service})
|
|
# the validation should fail with error code "INVALID_SERVICE"
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_SERVICE",
|
|
bad_service
|
|
)
|
|
|
|
def test_validate_service_view_badticket_goodprefix(self):
|
|
"""
|
|
test with a good service but a bad ticket begining with ST-,
|
|
the validation should fail with the error (INVALID_TICKET, ticket not found)
|
|
"""
|
|
get_user_ticket_request(self.service)
|
|
|
|
client = Client()
|
|
bad_ticket = "%s-RANDOM" % settings.CAS_SERVICE_TICKET_PREFIX
|
|
response = client.get('/serviceValidate', {'ticket': bad_ticket, 'service': self.service})
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_TICKET",
|
|
'ticket not found'
|
|
)
|
|
|
|
def test_validate_service_view_badticket_badprefix(self):
|
|
"""
|
|
test with a good service bud a bad ticket not begining with ST-,
|
|
the validation should fail with the error (INVALID_TICKET, `the ticket`)
|
|
"""
|
|
get_user_ticket_request(self.service)
|
|
|
|
client = Client()
|
|
bad_ticket = "RANDOM"
|
|
response = client.get('/serviceValidate', {'ticket': bad_ticket, 'service': self.service})
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_TICKET",
|
|
bad_ticket
|
|
)
|
|
|
|
def test_validate_service_view_ok_pgturl(self):
|
|
"""test the retrieval of a ProxyGrantingTicket"""
|
|
# start a simple on request http server
|
|
(httpd, host, port) = HttpParamsHandler.run()[0:3]
|
|
# construct the service from it
|
|
service = "http://%s:%s" % (host, port)
|
|
|
|
# get a ticket to be validated
|
|
ticket = get_user_ticket_request(service)[1]
|
|
|
|
client = Client()
|
|
# request a PGT ticket then validating the ticket by setting the pgtUrl parameter
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': service, 'pgtUrl': service}
|
|
)
|
|
# We should have recieved the PGT via a GET request parameter on the simple http server
|
|
pgt_params = httpd.PARAMS
|
|
self.assertEqual(response.status_code, 200)
|
|
|
|
root = etree.fromstring(response.content)
|
|
# the validation response should return a id to match again the request transmitting the PGT
|
|
pgtiou = root.xpath(
|
|
"//cas:proxyGrantingTicket",
|
|
namespaces={'cas': "http://www.yale.edu/tp/cas"}
|
|
)
|
|
self.assertEqual(len(pgtiou), 1)
|
|
# the matching id for making corresponde one PGT to a validatin response should match
|
|
self.assertEqual(pgt_params["pgtIou"], pgtiou[0].text)
|
|
# the PGT is present in the receive GET requests parameters
|
|
self.assertTrue("pgtId" in pgt_params)
|
|
|
|
def test_validate_service_pgturl_sslerror(self):
|
|
"""test the retrieval of a ProxyGrantingTicket with a SSL error on the pgtUrl"""
|
|
(host, port) = HttpParamsHandler.run()[1:3]
|
|
# is fact the service listen on http and not https raisin a SSL Protocol Error
|
|
# but other SSL/TLS error should behave the same
|
|
service = "https://%s:%s" % (host, port)
|
|
|
|
ticket = get_user_ticket_request(service)[1]
|
|
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': service, 'pgtUrl': service}
|
|
)
|
|
# The pgtUrl is validated: it must be localhost or have valid x509 certificat and
|
|
# certificat validation should succed. Moreother, pgtUrl should match a service pattern
|
|
# with proxy_callback set to True
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_PROXY_CALLBACK",
|
|
)
|
|
|
|
def test_validate_service_pgturl_404(self):
|
|
"""
|
|
test the retrieval on a ProxyGrantingTicket then to pgtUrl return a http error.
|
|
PGT creation should be aborted but the ticket still be valid
|
|
"""
|
|
(host, port) = Http404Handler.run()[1:3]
|
|
service = "http://%s:%s" % (host, port)
|
|
|
|
ticket = get_user_ticket_request(service)[1]
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': service, 'pgtUrl': service}
|
|
)
|
|
# The ticket is successfully validated
|
|
root = self.assert_success(response, settings.CAS_TEST_USER, settings.CAS_TEST_ATTRIBUTES)
|
|
# but no PGT is transmitted
|
|
pgtiou = root.xpath(
|
|
"//cas:proxyGrantingTicket",
|
|
namespaces={'cas': "http://www.yale.edu/tp/cas"}
|
|
)
|
|
self.assertFalse(pgtiou)
|
|
|
|
def test_validate_service_pgturl_bad_proxy_callback(self):
|
|
"""test the retrieval of a ProxyGrantingTicket, not allowed pgtUrl should be denied"""
|
|
self.service_pattern.proxy_callback = False
|
|
self.service_pattern.save()
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': self.service, 'pgtUrl': self.service}
|
|
)
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_PROXY_CALLBACK",
|
|
"callback url not allowed by configuration"
|
|
)
|
|
|
|
self.service_pattern.proxy_callback = True
|
|
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': self.service, 'pgtUrl': "https://www.example.org"}
|
|
)
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_PROXY_CALLBACK",
|
|
"callback url not allowed by configuration"
|
|
)
|
|
|
|
def test_validate_user_field_ok(self):
|
|
"""
|
|
test with a good user_field. A bad user_field (that evaluate to False)
|
|
wont happed cause it is filtered in the login view
|
|
"""
|
|
for (service, username) in [
|
|
(self.service_user_field, settings.CAS_TEST_ATTRIBUTES["alias"][0]),
|
|
(self.service_user_field_alt, settings.CAS_TEST_ATTRIBUTES["nom"])
|
|
]:
|
|
# requesting a ticket for a service url matched by a service pattern using a user
|
|
# attribute as username
|
|
ticket = get_user_ticket_request(service)[1]
|
|
client = Client()
|
|
response = client.get(
|
|
'/serviceValidate',
|
|
{'ticket': ticket.value, 'service': service}
|
|
)
|
|
# The validate shoudl be successful with specified username and no attributes transmited
|
|
self.assert_success(
|
|
response,
|
|
username,
|
|
{}
|
|
)
|
|
|
|
def test_validate_missing_parameter(self):
|
|
"""test with a missing GET parameter among [service, ticket]"""
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
|
|
client = Client()
|
|
params = {'ticket': ticket.value, 'service': self.service}
|
|
for key in ['ticket', 'service']:
|
|
send_params = params.copy()
|
|
del send_params[key]
|
|
response = client.get('/serviceValidate', send_params)
|
|
# a validation request with a missing GET parameter should fail
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_REQUEST",
|
|
"you must specify a service and a ticket"
|
|
)
|
|
|
|
|
|
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
|
|
class ProxyTestCase(TestCase, BaseServicePattern, XmlContent):
|
|
"""tests for the proxy view"""
|
|
def setUp(self):
|
|
"""preparing test context"""
|
|
# we prepare a bunch a service url and service patterns for tests
|
|
self.setup_service_patterns(proxy=True)
|
|
|
|
# set the default service pattern to localhost to be able to retrieve PGT
|
|
self.service = 'http://127.0.0.1'
|
|
self.service_pattern = models.ServicePattern.objects.create(
|
|
name="localhost",
|
|
pattern="^http://127\.0\.0\.1(:[0-9]+)?(/.*)?$",
|
|
proxy=True,
|
|
proxy_callback=True
|
|
)
|
|
# transmit all attributes
|
|
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
|
|
|
|
def test_validate_proxy_ok(self):
|
|
"""
|
|
Get a PGT, get a proxy ticket, validate it. Validation should succeed and
|
|
show the proxy service URL.
|
|
"""
|
|
# we directrly get a ProxyGrantingTicket
|
|
params = get_pgt()
|
|
|
|
# We try get a proxy ticket with our PGT
|
|
client1 = Client()
|
|
# for what we send a GET request to /proxy with ge PGT and the target service for which
|
|
# we want a ProxyTicket to.
|
|
response = client1.get(
|
|
'/proxy',
|
|
{'pgt': params['pgtId'], 'targetService': "https://www.example.com"}
|
|
)
|
|
self.assertEqual(response.status_code, 200)
|
|
|
|
# we should sucessfully reteive a PT
|
|
root = etree.fromstring(response.content)
|
|
sucess = root.xpath("//cas:proxySuccess", namespaces={'cas': "http://www.yale.edu/tp/cas"})
|
|
self.assertTrue(sucess)
|
|
|
|
proxy_ticket = root.xpath(
|
|
"//cas:proxyTicket",
|
|
namespaces={'cas': "http://www.yale.edu/tp/cas"}
|
|
)
|
|
self.assertEqual(len(proxy_ticket), 1)
|
|
proxy_ticket = proxy_ticket[0].text
|
|
|
|
# validate the proxy ticket with the service for which is was emitted
|
|
client2 = Client()
|
|
response = client2.get(
|
|
'/proxyValidate',
|
|
{'ticket': proxy_ticket, 'service': "https://www.example.com"}
|
|
)
|
|
# validation should succeed and return settings.CAS_TEST_USER as username
|
|
# and settings.CAS_TEST_ATTRIBUTES as attributes
|
|
root = self.assert_success(
|
|
response,
|
|
settings.CAS_TEST_USER,
|
|
settings.CAS_TEST_ATTRIBUTES
|
|
)
|
|
|
|
# in the PT validation response, it should have the service url of the PGY
|
|
proxies = root.xpath("//cas:proxies", namespaces={'cas': "http://www.yale.edu/tp/cas"})
|
|
self.assertEqual(len(proxies), 1)
|
|
proxy = proxies[0].xpath("//cas:proxy", namespaces={'cas': "http://www.yale.edu/tp/cas"})
|
|
self.assertEqual(len(proxy), 1)
|
|
self.assertEqual(proxy[0].text, params["service"])
|
|
|
|
def test_validate_proxy_bad_pgt(self):
|
|
"""Try to get a ProxyTicket with a bad PGT. The PT generation should fail"""
|
|
# we directrly get a ProxyGrantingTicket
|
|
params = get_pgt()
|
|
client = Client()
|
|
response = client.get(
|
|
'/proxy',
|
|
{
|
|
'pgt': "%s-RANDOM" % settings.CAS_PROXY_GRANTING_TICKET_PREFIX,
|
|
'targetService': params['service']
|
|
}
|
|
)
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_TICKET",
|
|
"PGT %s-RANDOM not found" % settings.CAS_PROXY_GRANTING_TICKET_PREFIX
|
|
)
|
|
|
|
def test_validate_proxy_bad_service(self):
|
|
"""
|
|
Try to get a ProxyTicket for a denied service and
|
|
a service that do not allow PT. The PT generation should fail.
|
|
"""
|
|
# we directrly get a ProxyGrantingTicket
|
|
params = get_pgt()
|
|
|
|
# try to get a PT for a denied service
|
|
client1 = Client()
|
|
response = client1.get(
|
|
'/proxy',
|
|
{'pgt': params['pgtId'], 'targetService': "https://www.example.org"}
|
|
)
|
|
self.assert_error(
|
|
response,
|
|
"UNAUTHORIZED_SERVICE",
|
|
"https://www.example.org"
|
|
)
|
|
|
|
# try to get a PT for a service that do not allow PT
|
|
self.service_pattern.proxy = False
|
|
self.service_pattern.save()
|
|
|
|
client2 = Client()
|
|
response = client2.get(
|
|
'/proxy',
|
|
{'pgt': params['pgtId'], 'targetService': params['service']}
|
|
)
|
|
|
|
self.assert_error(
|
|
response,
|
|
"UNAUTHORIZED_SERVICE",
|
|
'the service %s do not allow proxy ticket' % params['service']
|
|
)
|
|
|
|
self.service_pattern.proxy = True
|
|
self.service_pattern.save()
|
|
|
|
def test_proxy_unauthorized_user(self):
|
|
"""
|
|
Try to get a PT for services that do not allow the current user:
|
|
* first with a service that restrict allowed username
|
|
* second with a service requiring somes conditions on the user attributes
|
|
* third with a service using a particular user attribute as username
|
|
All this tests should fail
|
|
"""
|
|
# we directrly get a ProxyGrantingTicket
|
|
params = get_pgt()
|
|
|
|
for service in [
|
|
# do ot allow the test username
|
|
self.service_restrict_user_fail,
|
|
# require the 'nom' attribute to be 'toto'
|
|
self.service_filter_fail,
|
|
# want to use the non-exitant 'uid' attribute as username
|
|
self.service_field_needed_fail
|
|
]:
|
|
client = Client()
|
|
response = client.get(
|
|
'/proxy',
|
|
{'pgt': params['pgtId'], 'targetService': service}
|
|
)
|
|
# PT generation should fail
|
|
self.assert_error(
|
|
response,
|
|
"UNAUTHORIZED_USER",
|
|
'User %s not allowed on %s' % (settings.CAS_TEST_USER, service)
|
|
)
|
|
|
|
def test_proxy_missing_parameter(self):
|
|
"""Try to get a PGT with some missing GET parameters. The PT should not be emited"""
|
|
params = get_pgt()
|
|
base_params = {'pgt': params['pgtId'], 'targetService': "https://www.example.org"}
|
|
for key in ["pgt", 'targetService']:
|
|
send_params = base_params.copy()
|
|
del send_params[key]
|
|
client = Client()
|
|
response = client.get("/proxy", send_params)
|
|
self.assert_error(
|
|
response,
|
|
"INVALID_REQUEST",
|
|
'you must specify and pgt and targetService'
|
|
)
|
|
|
|
|
|
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
|
|
class SamlValidateTestCase(TestCase, BaseServicePattern, XmlContent):
|
|
"""tests for the proxy view"""
|
|
def setUp(self):
|
|
"""preparing test context"""
|
|
# we prepare a bunch a service url and service patterns for tests
|
|
self.setup_service_patterns(proxy=True)
|
|
|
|
# special service pattern for retrieving a PGT
|
|
self.service_pgt = 'http://127.0.0.1'
|
|
self.service_pattern_pgt = models.ServicePattern.objects.create(
|
|
name="localhost",
|
|
pattern="^http://127\.0\.0\.1(:[0-9]+)?(/.*)?$",
|
|
proxy=True,
|
|
proxy_callback=True
|
|
)
|
|
models.ReplaceAttributName.objects.create(
|
|
name="*",
|
|
service_pattern=self.service_pattern_pgt
|
|
)
|
|
|
|
# template for the XML POST need to be send to validate a ticket using SAML 1.1
|
|
xml_template = """
|
|
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
|
|
<SOAP-ENV:Header/>
|
|
<SOAP-ENV:Body>
|
|
<samlp:Request
|
|
xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol"
|
|
MajorVersion="1" MinorVersion="1"
|
|
RequestID="%(request_id)s"
|
|
IssueInstant="%(issue_instant)s"
|
|
>
|
|
<samlp:AssertionArtifact>%(ticket)s</samlp:AssertionArtifact>
|
|
</samlp:Request>
|
|
</SOAP-ENV:Body>
|
|
</SOAP-ENV:Envelope>"""
|
|
|
|
def assert_success(self, response, username, original_attributes):
|
|
"""assert ticket validation success"""
|
|
self.assertEqual(response.status_code, 200)
|
|
# on validation success, the response should have a StatusCode set to Success
|
|
root = etree.fromstring(response.content)
|
|
success = root.xpath(
|
|
"//samlp:StatusCode",
|
|
namespaces={'samlp': "urn:oasis:names:tc:SAML:1.0:protocol"}
|
|
)
|
|
self.assertEqual(len(success), 1)
|
|
self.assertTrue(success[0].attrib['Value'].endswith(":Success"))
|
|
|
|
# the user username should be return whithin <NameIdentifier> tags
|
|
user = root.xpath(
|
|
"//samla:NameIdentifier",
|
|
namespaces={'samla': "urn:oasis:names:tc:SAML:1.0:assertion"}
|
|
)
|
|
self.assertTrue(user)
|
|
self.assertEqual(user[0].text, username)
|
|
|
|
# the returned attributes should match original_attributes
|
|
attributes = root.xpath(
|
|
"//samla:AttributeStatement/samla:Attribute",
|
|
namespaces={'samla': "urn:oasis:names:tc:SAML:1.0:assertion"}
|
|
)
|
|
attrs = set()
|
|
for attr in attributes:
|
|
attrs.add((attr.attrib['AttributeName'], attr.getchildren()[0].text))
|
|
original = set()
|
|
for key, value in original_attributes.items():
|
|
if isinstance(value, list):
|
|
for subval in value:
|
|
original.add((key, subval))
|
|
else:
|
|
original.add((key, value))
|
|
self.assertEqual(original, attrs)
|
|
|
|
def assert_error(self, response, code, msg=None):
|
|
"""assert ticket validation error"""
|
|
self.assertEqual(response.status_code, 200)
|
|
# on error the status code value should be the one provider in `code`
|
|
root = etree.fromstring(response.content)
|
|
error = root.xpath(
|
|
"//samlp:StatusCode",
|
|
namespaces={'samlp': "urn:oasis:names:tc:SAML:1.0:protocol"}
|
|
)
|
|
self.assertEqual(len(error), 1)
|
|
self.assertTrue(error[0].attrib['Value'].endswith(":%s" % code))
|
|
# it may have an error message
|
|
if msg is not None:
|
|
self.assertEqual(error[0].text, msg)
|
|
|
|
def test_saml_ok(self):
|
|
"""
|
|
test with a valid (ticket, service), with a ST and a PT,
|
|
the username and all attributes are transmited"""
|
|
tickets = [
|
|
# return a ServiceTicket (standard ticket) waiting for validation
|
|
get_user_ticket_request(self.service)[1],
|
|
# return a PT waiting for validation
|
|
get_proxy_ticket(self.service)
|
|
]
|
|
|
|
for ticket in tickets:
|
|
client = Client()
|
|
# we send the POST validation requests
|
|
response = client.post(
|
|
'/samlValidate?TARGET=%s' % self.service,
|
|
self.xml_template % {
|
|
'ticket': ticket.value,
|
|
'request_id': utils.gen_saml_id(),
|
|
'issue_instant': timezone.now().isoformat()
|
|
},
|
|
content_type="text/xml; encoding='utf-8'"
|
|
)
|
|
# and it should succeed
|
|
self.assert_success(response, settings.CAS_TEST_USER, settings.CAS_TEST_ATTRIBUTES)
|
|
|
|
def test_saml_ok_user_field(self):
|
|
"""test with a valid(ticket, service), use a attributes as transmitted username"""
|
|
for (service, username) in [
|
|
(self.service_field_needed_success, settings.CAS_TEST_ATTRIBUTES['alias'][0]),
|
|
(self.service_field_needed_success_alt, settings.CAS_TEST_ATTRIBUTES['nom'])
|
|
]:
|
|
ticket = get_user_ticket_request(service)[1]
|
|
|
|
client = Client()
|
|
response = client.post(
|
|
'/samlValidate?TARGET=%s' % service,
|
|
self.xml_template % {
|
|
'ticket': ticket.value,
|
|
'request_id': utils.gen_saml_id(),
|
|
'issue_instant': timezone.now().isoformat()
|
|
},
|
|
content_type="text/xml; encoding='utf-8'"
|
|
)
|
|
self.assert_success(response, username, {})
|
|
|
|
def test_saml_bad_ticket(self):
|
|
"""test validation with a bad ST and a bad PT, validation should fail"""
|
|
tickets = [utils.gen_st(), utils.gen_pt()]
|
|
|
|
for ticket in tickets:
|
|
client = Client()
|
|
response = client.post(
|
|
'/samlValidate?TARGET=%s' % self.service,
|
|
self.xml_template % {
|
|
'ticket': ticket,
|
|
'request_id': utils.gen_saml_id(),
|
|
'issue_instant': timezone.now().isoformat()
|
|
},
|
|
content_type="text/xml; encoding='utf-8'"
|
|
)
|
|
self.assert_error(
|
|
response,
|
|
"AuthnFailed",
|
|
'ticket %s not found' % ticket
|
|
)
|
|
|
|
def test_saml_bad_ticket_prefix(self):
|
|
"""test validation with a bad ticket prefix. Validation should fail with 'AuthnFailed'"""
|
|
bad_ticket = "RANDOM-NOT-BEGINING-WITH-ST-OR-ST"
|
|
client = Client()
|
|
response = client.post(
|
|
'/samlValidate?TARGET=%s' % self.service,
|
|
self.xml_template % {
|
|
'ticket': bad_ticket,
|
|
'request_id': utils.gen_saml_id(),
|
|
'issue_instant': timezone.now().isoformat()
|
|
},
|
|
content_type="text/xml; encoding='utf-8'"
|
|
)
|
|
self.assert_error(
|
|
response,
|
|
"AuthnFailed",
|
|
'ticket %s should begin with PT- or ST-' % bad_ticket
|
|
)
|
|
|
|
def test_saml_bad_target(self):
|
|
"""test with a valid ticket, but using a bad target, validation should fail"""
|
|
bad_target = "https://www.example.org"
|
|
ticket = get_user_ticket_request(self.service)[1]
|
|
|
|
client = Client()
|
|
response = client.post(
|
|
'/samlValidate?TARGET=%s' % bad_target,
|
|
self.xml_template % {
|
|
'ticket': ticket.value,
|
|
'request_id': utils.gen_saml_id(),
|
|
'issue_instant': timezone.now().isoformat()
|
|
},
|
|
content_type="text/xml; encoding='utf-8'"
|
|
)
|
|
self.assert_error(
|
|
response,
|
|
"AuthnFailed",
|
|
'TARGET %s do not match ticket service' % bad_target
|
|
)
|
|
|
|
def test_saml_bad_xml(self):
|
|
"""test validation with a bad xml request, validation should fail"""
|
|
client = Client()
|
|
response = client.post(
|
|
'/samlValidate?TARGET=%s' % self.service,
|
|
"<root></root>",
|
|
content_type="text/xml; encoding='utf-8'"
|
|
)
|
|
self.assert_error(response, 'VersionMismatch')
|