fix login form

[django-cas-provider.git] / cas_provider / tests.py

diff --git a/cas_provider/tests.py b/cas_provider/tests.py
index 2ad95f7..46ba3ca 100644 (file)
--- a/cas_provider/tests.py
+++ b/cas_provider/tests.py
@@ -1,16 +1,147 @@
+import StringIO
+import urllib2
+from xml import etree
+from xml.etree import ElementTree
+import cas_provider
+from cas_provider.attribute_formatters import CAS, NSMAP
+from cas_provider.models import ServiceTicket
+from cas_provider.views import _cas2_sucess_response, INVALID_TICKET, _cas2_error_response, generate_proxy_granting_ticket
+from django.contrib.auth.models import User, UserManager

 from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.core.urlresolvers import reverse
 from django.test import TestCase

-from urlparse import urlparse
+from urlparse import urlparse, parse_qsl, parse_qs
+from django.conf import settings

 
 
 
 

-class UserTest(TestCase):

 
 

-    fixtures = ['cas_users.json', ]
+
+dummy_urlopen_url = None
+
+
+def dummy_urlopen(url):
+    cas_provider.tests.dummy_urlopen_url = url
+    pass
+
+class ViewsTest(TestCase):
+
+    fixtures = ['cas_users', ]
+
+

 
     def setUp(self):
         self.service = 'http://example.com/'
 
 
 
     def setUp(self):
         self.service = 'http://example.com/'
 
 

+    def test_successful_login_with_proxy(self):
+        urllib2.urlopen = dummy_urlopen # monkey patching urllib2.urlopen so that the testcase doesnt really opens a url
+        proxyTarget = "http://my.sweet.service"
+
+        response = self._login_user('root', '123')
+        response = self._validate_cas2(response, True, proxyTarget )
+
+        # Test: I'm acting as the service that will call another service
+        # Step 1: Get the proxy granting ticket
+        responseXml = ElementTree.parse(StringIO.StringIO(response.content))
+        auth_success = responseXml.find(CAS + 'authenticationSuccess', namespaces=NSMAP)
+        pgt = auth_success.find(CAS + "proxyGrantingTicket", namespaces=NSMAP)
+        user = auth_success.find(CAS + "user", namespaces=NSMAP)
+        self.assertEqual('root', user.text)
+        self.assertIsNotNone(pgt.text)
+        self.assertTrue(pgt.text.startswith('PGTIOU'))
+
+        pgtId = parse_qs(urlparse(cas_provider.tests.dummy_urlopen_url).query)['pgtId']
+
+        #Step 2: Get the actual proxy ticket
+        proxyTicketResponse = self.client.get(reverse('proxy'), {'targetService': proxyTarget, 'pgt': pgtId}, follow=False)
+        proxyTicketResponseXml = ElementTree.parse(StringIO.StringIO(proxyTicketResponse.content))
+        self.assertIsNotNone(proxyTicketResponseXml.find(CAS + "proxySuccess", namespaces=NSMAP))
+        self.assertIsNotNone(proxyTicketResponseXml.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP))
+        proxyTicket = proxyTicketResponseXml.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP);
+
+        #Step 3: I have the proxy ticket I can talk to some other backend service as the currently logged in user!
+        proxyValidateResponse = self.client.get(reverse('cas_proxy_validate'), {'ticket': proxyTicket.text, 'service': proxyTarget})
+        proxyValidateResponseXml = ElementTree.parse(StringIO.StringIO(proxyValidateResponse.content))
+
+        auth_success_2 = proxyValidateResponseXml.find(CAS + 'authenticationSuccess', namespaces=NSMAP)
+        user_2 = auth_success.find(CAS + "user", namespaces=NSMAP)
+        proxies_1  = auth_success_2.find(CAS + "proxies")
+        self.assertIsNone(proxies_1) # there are no proxies. I am issued by a Service Ticket
+        
+        self.assertEqual(user.text, user_2.text)
+
+
+    def test_successful_proxy_chaining(self):
+        urllib2.urlopen = dummy_urlopen # monkey patching urllib2.urlopen so that the testcase doesnt really opens a url
+        proxyTarget_1 = "http://my.sweet.service_1"
+        proxyTarget_2 = "http://my.sweet.service_2"
+
+        response = self._login_user('root', '123')
+        response = self._validate_cas2(response, True, proxyTarget_1 )
+
+        # Test: I'm acting as the service that will call another service
+        # Step 1: Get the proxy granting ticket
+        responseXml = ElementTree.parse(StringIO.StringIO(response.content))
+        auth_success_1 = responseXml.find(CAS + 'authenticationSuccess', namespaces=NSMAP)
+        pgt_1 = auth_success_1.find(CAS + "proxyGrantingTicket", namespaces=NSMAP)
+        user_1 = auth_success_1.find(CAS + "user", namespaces=NSMAP)
+        self.assertEqual('root', user_1.text)
+        self.assertIsNotNone(pgt_1.text)
+        self.assertTrue(pgt_1.text.startswith('PGTIOU'))
+
+        pgtId_1 = parse_qs(urlparse(cas_provider.tests.dummy_urlopen_url).query)['pgtId']
+
+        #Step 2: Get the actual proxy ticket
+        proxyTicketResponse_1 = self.client.get(reverse('proxy'), {'targetService': proxyTarget_1, 'pgt': pgtId_1}, follow=False)
+        proxyTicketResponseXml_1 = ElementTree.parse(StringIO.StringIO(proxyTicketResponse_1.content))
+        self.assertIsNotNone(proxyTicketResponseXml_1.find(CAS + "proxySuccess", namespaces=NSMAP))
+        self.assertIsNotNone(proxyTicketResponseXml_1.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP))
+        proxyTicket_1 = proxyTicketResponseXml_1.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP);
+
+        #Step 3: I'm backend service 1 - I have the proxy ticket - I want to talk to back service 2
+        #
+        proxyValidateResponse_1 = self.client.get(reverse('cas_proxy_validate'), {'ticket': proxyTicket_1.text, 'service': proxyTarget_1, 'pgtUrl': proxyTarget_2})
+        proxyValidateResponseXml_1 = ElementTree.parse(StringIO.StringIO(proxyValidateResponse_1.content))
+
+        auth_success_2 = proxyValidateResponseXml_1.find(CAS + 'authenticationSuccess', namespaces=NSMAP)
+        user_2 = auth_success_2.find(CAS + "user", namespaces=NSMAP)
+
+        proxies_1  = auth_success_2.find(CAS + "proxies")
+        self.assertIsNone(proxies_1) # there are no proxies. I am issued by a Service Ticket
+        self.assertIsNotNone(auth_success_2)
+        self.assertEqual('root', user_2.text)
+
+        pgt_2 = auth_success_2.find(CAS + "proxyGrantingTicket", namespaces=NSMAP)
+        user = auth_success_2.find(CAS + "user", namespaces=NSMAP)
+        self.assertEqual('root', user.text)
+        self.assertIsNotNone(pgt_2.text)
+        self.assertTrue(pgt_2.text.startswith('PGTIOU'))
+
+        pgtId_2 = parse_qs(urlparse(cas_provider.tests.dummy_urlopen_url).query)['pgtId']
+
+        #Step 4: Get the second proxy ticket
+        proxyTicketResponse_2 = self.client.get(reverse('proxy'), {'targetService': proxyTarget_2, 'pgt': pgtId_2})
+        proxyTicketResponseXml_2 = ElementTree.parse(StringIO.StringIO(proxyTicketResponse_2.content))
+        self.assertIsNotNone(proxyTicketResponseXml_2.find(CAS + "proxySuccess", namespaces=NSMAP))
+        self.assertIsNotNone(proxyTicketResponseXml_2.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP))
+        proxyTicket_2 = proxyTicketResponseXml_2.find(CAS + "proxySuccess/cas:proxyTicket", namespaces=NSMAP)
+
+        proxyValidateResponse_3 = self.client.get(reverse('cas_proxy_validate'), {'ticket': proxyTicket_2.text, 'service': proxyTarget_2, 'pgtUrl': None})
+        proxyValidateResponseXml_3 = ElementTree.parse(StringIO.StringIO(proxyValidateResponse_3.content))
+
+        auth_success_3 = proxyValidateResponseXml_3.find(CAS + 'authenticationSuccess', namespaces=NSMAP)
+        user_3 = auth_success_3.find(CAS + "user", namespaces=NSMAP)
+
+        proxies_3  = auth_success_3.find(CAS + "proxies")
+        self.assertIsNotNone(proxies_3) # there should be a proxy. I am issued by a Proxy Ticket
+        proxy_3 = proxies_3.find(CAS + "proxy", namespaces=NSMAP)
+        self.assertEqual(proxyTarget_1, proxy_3.text )
+
+        self.assertIsNotNone(auth_success_2)
+        self.assertEqual('root', user_3.text)
+
+
+
+    

     def test_succeessful_login(self):
         response = self._login_user('root', '123')
         self._validate_cas1(response, True)
     def test_succeessful_login(self):
         response = self._login_user('root', '123')
         self._validate_cas1(response, True)


@@ -26,13 +157,21 @@ class UserTest(TestCase):
         response = self.client.get(response['location'], follow=False)
         self.assertIn(response.status_code, [302, 200])
 
         response = self.client.get(response['location'], follow=False)
         self.assertIn(response.status_code, [302, 200])
 

+        response = self.client.get(reverse('cas_login'), {'service': self.service, 'warn': True}, follow=False)
+        self.assertEqual(response.status_code, 200)
+        self.assertTemplateUsed(response, 'cas/warn.html')
+
+
+    def _cas_logout(self):
+        response = self.client.get(reverse('cas_logout'), follow=False)
+        self.assertEqual(response.status_code, 200)
+

 
     def test_logout(self):
         response = self._login_user('root', '123')
         self._validate_cas1(response, True)
 
     def test_logout(self):
         response = self._login_user('root', '123')
         self._validate_cas1(response, True)

-        
-        response = self.client.get(reverse('cas_logout'), follow=False)
-        self.assertEqual(response.status_code, 200)
+
+        self._cas_logout()

 
         response = self.client.get(reverse('cas_login'), follow=False)
         self.assertEqual(response.status_code, 200)
 
         response = self.client.get(reverse('cas_login'), follow=False)
         self.assertEqual(response.status_code, 200)


@@ -48,6 +187,83 @@ class UserTest(TestCase):
     def test_nonactive_user_login(self):
         self._fail_login('nonactive', '123')
 
     def test_nonactive_user_login(self):
         self._fail_login('nonactive', '123')
 

+    def test_cas2_success_validate(self):
+        response = self._login_user('root', '123')
+        response = self._validate_cas2(response, True)
+        user = User.objects.get(username=self.username)
+        self.assertEqual(response.content, _cas2_sucess_response(user).content)
+
+    def test_cas2_custom_attrs(self):
+        settings.CAS_CUSTOM_ATTRIBUTES_CALLBACK = cas_mapping
+        response = self._login_user('editor', '123')
+
+        response = self._validate_cas2(response, True)
+        self.assertEqual(response.content, '''<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">'''
+                                           '''<cas:authenticationSuccess>'''
+                                           '''<cas:user>editor</cas:user>'''
+                                           '''<cas:attributes>'''
+                                           '''<cas:attraStyle>Jasig</cas:attraStyle>'''
+                                           '''<cas:group>editor</cas:group>'''
+                                           '''<cas:is_staff>True</cas:is_staff>'''
+                                           '''<cas:is_active>True</cas:is_active>'''
+                                           '''<cas:email>editor@exapmle.com</cas:email>'''
+                                           '''</cas:attributes>'''
+                                           '''</cas:authenticationSuccess>'''
+                                           '''</cas:serviceResponse>''')
+
+        self._cas_logout()
+        response = self._login_user('editor', '123')
+        settings.CAS_CUSTOM_ATTRIBUTES_FORMATER = 'cas_provider.attribute_formatters.ruby_cas'
+        response = self._validate_cas2(response, True)
+        self.assertEqual(response.content, '''<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">'''
+                                           '''<cas:authenticationSuccess>'''
+                                           '''<cas:user>editor</cas:user>'''
+                                           '''<cas:attraStyle>RubyCAS</cas:attraStyle>'''
+                                           '''<cas:group>editor</cas:group>'''
+                                           '''<cas:is_staff>True</cas:is_staff>'''
+                                           '''<cas:is_active>True</cas:is_active>'''
+                                           '''<cas:email>editor@exapmle.com</cas:email>'''
+                                           '''</cas:authenticationSuccess>'''
+                                           '''</cas:serviceResponse>''')
+
+        self._cas_logout()
+        response = self._login_user('editor', '123')
+        settings.CAS_CUSTOM_ATTRIBUTES_FORMATER = 'cas_provider.attribute_formatters.name_value'
+        response = self._validate_cas2(response, True)
+        self.assertEqual(response.content, '''<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">'''
+                                           '''<cas:authenticationSuccess>'''
+                                           '''<cas:user>editor</cas:user>'''
+                                           '''<cas:attribute name="attraStyle" value="Name-Value"/>'''
+                                           '''<cas:attribute name="group" value="editor"/>'''
+                                           '''<cas:attribute name="is_staff" value="True"/>'''
+                                           '''<cas:attribute name="is_active" value="True"/>'''
+                                           '''<cas:attribute name="email" value="editor@exapmle.com"/>'''
+                                           '''</cas:authenticationSuccess>'''
+                                           '''</cas:serviceResponse>''')
+
+
+    def test_cas2_fail_validate(self):
+        for user, pwd in (('root', '321'), ('notroot', '123'), ('nonactive', '123')):
+            response = self._login_user(user, pwd)
+            self._validate_cas2(response, False)
+
+
+    def test_generate_proxy_granting_ticket(self):
+        urllib2.urlopen = dummy_urlopen # monkey patching urllib2.urlopen so that the testcase doesnt really opens a url
+        url = 'http://my.call.back/callhere'
+
+        user = User.objects.get(username = 'root')
+        st = ServiceTicket.objects.create(user = user )
+        pgt = generate_proxy_granting_ticket(url, st)
+        self.assertIsNotNone(pgt)
+
+        calledUrl = cas_provider.tests.dummy_urlopen_url
+        parsedUrl = urlparse(calledUrl)
+        params = parse_qs(parsedUrl.query)
+        self.assertIsNotNone(params['pgtId'])
+        self.assertIsNotNone(params['pgtIou'])
+
+

 
     def _fail_login(self, username, password):
         response = self._login_user(username, password)
 
     def _fail_login(self, username, password):
         response = self._login_user(username, password)


@@ -57,13 +273,14 @@ class UserTest(TestCase):
         self.assertEqual(response.status_code, 200)
         response = self.client.get(reverse('cas_login'), follow=False)
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.status_code, 200)
         response = self.client.get(reverse('cas_login'), follow=False)
         self.assertEqual(response.status_code, 200)

-    
+

 
 
     def _login_user(self, username, password):
         self.username = username
         response = self.client.get(reverse('cas_login'), {'service': self.service})
         self.assertEqual(response.status_code, 200)
 
 
     def _login_user(self, username, password):
         self.username = username
         response = self.client.get(reverse('cas_login'), {'service': self.service})
         self.assertEqual(response.status_code, 200)

+        self.assertTemplateUsed(response, 'cas/login.html')

         form = response.context['form']
         service = form['service'].value()
         return self.client.post(reverse('cas_login'), {
         form = response.context['form']
         service = form['service'].value()
         return self.client.post(reverse('cas_login'), {


@@ -83,9 +300,52 @@ class UserTest(TestCase):
 
             response = self.client.get(reverse('cas_validate'), {'ticket': ticket, 'service': self.service}, follow=False)
             self.assertEqual(response.status_code, 200)
 
             response = self.client.get(reverse('cas_validate'), {'ticket': ticket, 'service': self.service}, follow=False)
             self.assertEqual(response.status_code, 200)

-            self.assertEqual(unicode(response.content), u'yes\r\n%s\r\n' % self.username if is_correct else u'no\r\n')
+            self.assertEqual(unicode(response.content), u'yes\n%s\n' % self.username)

         else:
             self.assertEqual(response.status_code, 200)
         else:
             self.assertEqual(response.status_code, 200)

-            self.assertGreater(len(response.context['errors']), 0)
-            self.assertEqual(len(response.context['form'].errors), 0)
+            self.assertEqual(len(response.context['form'].errors), 1)
+
+            response = self.client.get(reverse('cas_validate'), {'ticket': 'ST-12312312312312312312312', 'service': self.service}, follow=False)
+            self.assertEqual(response.status_code, 200)
+            self.assertEqual(response.content, u'no\n\n')
+
+
+    def _validate_cas2(self, response, is_correct=True, pgtUrl = None):
+        if is_correct:
+            self.assertEqual(response.status_code, 302)
+            self.assertTrue(response.has_header('location'))
+            location = urlparse(response['location'])
+            ticket = location.query.split('=')[1]
+            if pgtUrl:
+                response = self.client.get(reverse('cas_service_validate'), {'ticket': ticket, 'service': self.service, 'pgtUrl': pgtUrl}, follow=False)
+            else:
+                response = self.client.get(reverse('cas_service_validate'), {'ticket': ticket, 'service': self.service}, follow=False)
+            self.assertEqual(response.status_code, 200)
+        else:
+            self.assertEqual(response.status_code, 200)
+            self.assertEqual(len(response.context['form'].errors), 1)
+
+            response = self.client.get(reverse('cas_service_validate'), {'ticket': 'ST-12312312312312312312312', 'service': self.service}, follow=False)
+            self.assertEqual(response.status_code, 200)
+            self.assertEqual(response.content, _cas2_error_response(INVALID_TICKET).content)
+        return response
+
+class ModelsTestCase(TestCase):
+
+    fixtures = ['cas_users.json', ]
+
+    def setUp(self):
+        self.user = User.objects.get(username='root')
+
+    def test_redirects(self):
+        ticket = ServiceTicket.objects.create(service='http://example.com', user=self.user)
+        self.assertEqual(ticket.get_redirect_url(), '%(service)s?ticket=%(ticket)s' % ticket.__dict__)
+

 
 

+def cas_mapping(user):
+    return {
+        'is_staff': unicode(user.is_staff),
+        'is_active': unicode(user.is_active),
+        'email': user.email,
+        'group': [g.name for g in user.groups.all()]
+    }