first try to implement proxy tickets
[django-cas-provider.git] / cas_provider / tests.py
1 import StringIO
2 import urllib2
3 from xml import etree
4 from xml.etree import ElementTree
5 from cas_provider.attribute_formatters import CAS, NSMAP
6 from cas_provider.models import ServiceTicket
7 from cas_provider.views import _cas2_sucess_response, INVALID_TICKET, _cas2_error_response
8 from django.contrib.auth.models import User
9 from django.core.urlresolvers import reverse
10 from django.test import TestCase
11 from urlparse import urlparse
12 from django.conf import settings
13 import cas_provider
14
15 def dummy_urlopen(url):
16     pass
17
18
19 class ViewsTest(TestCase):
20
21     fixtures = ['cas_users', ]
22
23     def setUp(self):
24         self.service = 'http://example.com/'
25
26
27     def test_successful_login_with_proxy(self):
28         urllib2.urlopen = dummy_urlopen # monkey patching urllib2.urlopen so that the testcase doesnt really opens a url
29         proxyTarget = "http://my.sweet.service"
30
31         response = self._login_user('root', '123')
32         response = self._validate_cas2(response, True, proxyTarget )
33
34         # Test: I'm acting as the service that will call another service
35         # Step 1: Get the proxy granting ticket
36         responseXml = ElementTree.parse(StringIO.StringIO(response.content))
37         auth_success = responseXml.find(CAS + 'authenticationSuccess', namespaces=NSMAP)
38         pgt = auth_success.find(CAS + "proxyGrantingTicket", namespaces=NSMAP)
39         user = auth_success.find(CAS + "user", namespaces=NSMAP)
40         self.assertEqual('root', user.text)
41         self.assertIsNotNone(pgt.text)
42         self.assertTrue(pgt.text.startswith('PGTIOU'))
43
44         #Step 2: Get the actual proxy ticket
45         proxyTicketResponse = self.client.get(reverse('proxy'), {'targetService': proxyTarget, 'pgt': pgt.text}, follow=False)
46         proxyTicketResponseXml = ElementTree.parse(StringIO.StringIO(proxyTicketResponse.content))
47         self.assertIsNotNone(proxyTicketResponseXml.find(CAS + "proxySuccess", namespaces=NSMAP))
48         self.assertIsNotNone(proxyTicketResponseXml.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP))
49         proxyTicket = proxyTicketResponseXml.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP);
50
51         #Step 3: I have the proxy ticket I can talk to some other backend service as the currently logged in user!
52         proxyValidateResponse = self.client.get(reverse('cas_proxy_validate'), {'ticket': proxyTicket.text, 'service': proxyTarget, 'pgtUrl': None})
53         proxyValidateResponseXml = ElementTree.parse(StringIO.StringIO(proxyValidateResponse.content))
54
55         auth_success_2 = proxyValidateResponseXml.find(CAS + 'authenticationSuccess', namespaces=NSMAP)
56         user_2 = auth_success.find(CAS + "user", namespaces=NSMAP)
57         proxies  = auth_success.find(CAS + "proxies")
58         self.assertIsNotNone(auth_success_2)
59         self.assertEqual(user.text, user_2.text)
60         self.assertIsNotNone(proxies)
61
62
63     def test_successful_proxy_chaining(self):
64         self.assertFalse(True)
65
66     def test_successful_service_not_matching_in_request_to_proxy(self):
67         self.assertFalse(True)
68
69
70     def test_succeessful_login(self):
71         response = self._login_user('root', '123')
72         self._validate_cas1(response, True)
73
74         response = self.client.get(reverse('cas_login'), {'service': self.service}, follow=False)
75         self.assertEqual(response.status_code, 302)
76         self.assertTrue(response['location'].startswith('%s?ticket=' % self.service))
77
78         response = self.client.get(reverse('cas_login'), follow=False)
79         self.assertEqual(response.status_code, 302)
80         self.assertTrue(response['location'].startswith('http://testserver/'))
81
82         response = self.client.get(response['location'], follow=False)
83         self.assertIn(response.status_code, [302, 200])
84
85         response = self.client.get(reverse('cas_login'), {'service': self.service, 'warn': True}, follow=False)
86         self.assertEqual(response.status_code, 200)
87         self.assertTemplateUsed(response, 'cas/warn.html')
88
89
90     def _cas_logout(self):
91         response = self.client.get(reverse('cas_logout'), follow=False)
92         self.assertEqual(response.status_code, 200)
93
94
95     def test_logout(self):
96         response = self._login_user('root', '123')
97         self._validate_cas1(response, True)
98
99         self._cas_logout()
100
101         response = self.client.get(reverse('cas_login'), follow=False)
102         self.assertEqual(response.status_code, 200)
103         self.assertEqual(response.context['user'].is_anonymous(), True)
104
105
106     def test_broken_pwd(self):
107         self._fail_login('root', '321')
108
109     def test_broken_username(self):
110         self._fail_login('notroot', '123')
111
112     def test_nonactive_user_login(self):
113         self._fail_login('nonactive', '123')
114
115     def test_cas2_success_validate(self):
116         response = self._login_user('root', '123')
117         response = self._validate_cas2(response, True)
118         user = User.objects.get(username=self.username)
119         self.assertEqual(response.content, _cas2_sucess_response(user).content)
120
121     def test_cas2_custom_attrs(self):
122         settings.CAS_CUSTOM_ATTRIBUTES_CALLBACK = cas_mapping
123         response = self._login_user('editor', '123')
124
125         response = self._validate_cas2(response, True)
126         self.assertEqual(response.content, '''<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">'''
127                                            '''<cas:authenticationSuccess>'''
128                                            '''<cas:user>editor</cas:user>'''
129                                            '''<cas:attributes>'''
130                                            '''<cas:attraStyle>Jasig</cas:attraStyle>'''
131                                            '''<cas:group>editor</cas:group>'''
132                                            '''<cas:is_staff>True</cas:is_staff>'''
133                                            '''<cas:is_active>True</cas:is_active>'''
134                                            '''<cas:email>editor@exapmle.com</cas:email>'''
135                                            '''</cas:attributes>'''
136                                            '''</cas:authenticationSuccess>'''
137                                            '''</cas:serviceResponse>''')
138
139         self._cas_logout()
140         response = self._login_user('editor', '123')
141         settings.CAS_CUSTOM_ATTRIBUTES_FORMATER = 'cas_provider.attribute_formatters.ruby_cas'
142         response = self._validate_cas2(response, True)
143         self.assertEqual(response.content, '''<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">'''
144                                            '''<cas:authenticationSuccess>'''
145                                            '''<cas:user>editor</cas:user>'''
146                                            '''<cas:attraStyle>RubyCAS</cas:attraStyle>'''
147                                            '''<cas:group>editor</cas:group>'''
148                                            '''<cas:is_staff>True</cas:is_staff>'''
149                                            '''<cas:is_active>True</cas:is_active>'''
150                                            '''<cas:email>editor@exapmle.com</cas:email>'''
151                                            '''</cas:authenticationSuccess>'''
152                                            '''</cas:serviceResponse>''')
153
154         self._cas_logout()
155         response = self._login_user('editor', '123')
156         settings.CAS_CUSTOM_ATTRIBUTES_FORMATER = 'cas_provider.attribute_formatters.name_value'
157         response = self._validate_cas2(response, True)
158         self.assertEqual(response.content, '''<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">'''
159                                            '''<cas:authenticationSuccess>'''
160                                            '''<cas:user>editor</cas:user>'''
161                                            '''<cas:attribute name="attraStyle" value="Name-Value"/>'''
162                                            '''<cas:attribute name="group" value="editor"/>'''
163                                            '''<cas:attribute name="is_staff" value="True"/>'''
164                                            '''<cas:attribute name="is_active" value="True"/>'''
165                                            '''<cas:attribute name="email" value="editor@exapmle.com"/>'''
166                                            '''</cas:authenticationSuccess>'''
167                                            '''</cas:serviceResponse>''')
168
169
170     def test_cas2_fail_validate(self):
171         for user, pwd in (('root', '321'), ('notroot', '123'), ('nonactive', '123')):
172             response = self._login_user(user, pwd)
173             self._validate_cas2(response, False)
174
175
176     def _fail_login(self, username, password):
177         response = self._login_user(username, password)
178         self._validate_cas1(response, False)
179
180         response = self.client.get(reverse('cas_login'), {'service': self.service}, follow=False)
181         self.assertEqual(response.status_code, 200)
182         response = self.client.get(reverse('cas_login'), follow=False)
183         self.assertEqual(response.status_code, 200)
184
185
186
187     def _login_user(self, username, password):
188         self.username = username
189         response = self.client.get(reverse('cas_login'), {'service': self.service})
190         self.assertEqual(response.status_code, 200)
191         self.assertTemplateUsed(response, 'cas/login.html')
192         form = response.context['form']
193         service = form['service'].value()
194         return self.client.post(reverse('cas_login'), {
195             'username': username,
196             'password': password,
197             'lt': form['lt'].value(),
198             'service': service
199         }, follow=False)
200
201
202     def _validate_cas1(self, response, is_correct=True):
203         if is_correct:
204             self.assertEqual(response.status_code, 302)
205             self.assertTrue(response.has_header('location'))
206             location = urlparse(response['location'])
207             ticket = location.query.split('=')[1]
208
209             response = self.client.get(reverse('cas_validate'), {'ticket': ticket, 'service': self.service}, follow=False)
210             self.assertEqual(response.status_code, 200)
211             self.assertEqual(unicode(response.content), u'yes\n%s\n' % self.username)
212         else:
213             self.assertEqual(response.status_code, 200)
214             self.assertEqual(len(response.context['form'].errors), 1)
215
216             response = self.client.get(reverse('cas_validate'), {'ticket': 'ST-12312312312312312312312', 'service': self.service}, follow=False)
217             self.assertEqual(response.status_code, 200)
218             self.assertEqual(response.content, u'no\n\n')
219
220
221     def _validate_cas2(self, response, is_correct=True, pgtUrl = None):
222         if is_correct:
223             self.assertEqual(response.status_code, 302)
224             self.assertTrue(response.has_header('location'))
225             location = urlparse(response['location'])
226             ticket = location.query.split('=')[1]
227             if pgtUrl:
228                 response = self.client.get(reverse('cas_service_validate'), {'ticket': ticket, 'service': self.service, 'pgtUrl': pgtUrl}, follow=False)
229             else:
230                 response = self.client.get(reverse('cas_service_validate'), {'ticket': ticket, 'service': self.service}, follow=False)
231             self.assertEqual(response.status_code, 200)
232         else:
233             self.assertEqual(response.status_code, 200)
234             self.assertEqual(len(response.context['form'].errors), 1)
235
236             response = self.client.get(reverse('cas_service_validate'), {'ticket': 'ST-12312312312312312312312', 'service': self.service}, follow=False)
237             self.assertEqual(response.status_code, 200)
238             self.assertEqual(response.content, _cas2_error_response(INVALID_TICKET).content)
239         return response
240
241 class ModelsTestCase(TestCase):
242
243     fixtures = ['cas_users.json', ]
244
245     def setUp(self):
246         self.user = User.objects.get(username='root')
247
248     def test_redirects(self):
249         ticket = ServiceTicket.objects.create(service='http://example.com', user=self.user)
250         self.assertEqual(ticket.get_redirect_url(), '%(service)s?ticket=%(ticket)s' % ticket.__dict__)
251
252
253 def cas_mapping(user):
254     return {
255         'is_staff': unicode(user.is_staff),
256         'is_active': unicode(user.is_active),
257         'email': user.email,
258         'group': [g.name for g in user.groups.all()]
259     }