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[django-cas-provider.git] / cas_provider / tests.py
diff --git a/cas_provider/tests.py b/cas_provider/tests.py
index 4b486de..3dd9791 100644 (file)
--- a/cas_provider/tests.py
+++ b/cas_provider/tests.py
@@ -1,21 +1,156 @@
+import StringIO
+import urllib2
+from xml import etree
+from xml.etree import ElementTree
+from cas_provider.attribute_formatters import CAS, NSMAP
 from cas_provider.models import ServiceTicket
 from cas_provider.models import ServiceTicket
-from cas_provider.views import _cas2_sucess_response, _cas2_error_response, \
-    INVALID_TICKET
+from cas_provider.views import _cas2_sucess_response, INVALID_TICKET, _cas2_error_response
 from django.contrib.auth.models import User
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 from urlparse import urlparse
 from django.conf import settings
 from django.contrib.auth.models import User
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 from urlparse import urlparse
 from django.conf import settings
+import cas_provider
+
+def dummy_urlopen(url):
+    pass
 
 
 class ViewsTest(TestCase):
 
 
 
 class ViewsTest(TestCase):
 
-    fixtures = ['cas_users.json', ]
+    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'))
+
+        #Step 2: Get the actual proxy ticket
+        proxyTicketResponse = self.client.get(reverse('proxy'), {'targetService': proxyTarget, 'pgt': pgt.text}, 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'))
+
+        #Step 2: Get the actual proxy ticket
+        proxyTicketResponse_1 = self.client.get(reverse('proxy'), {'targetService': proxyTarget_1, 'pgt': pgt_1.text}, 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'))
+
+        #Step 4: Get the second proxy ticket
+        proxyTicketResponse_2 = self.client.get(reverse('proxy'), {'targetService': proxyTarget_2, 'pgt': pgt_2.text})
+        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_successful_service_not_matching_in_request_to_proxy(self):
+        urllib2.urlopen = dummy_urlopen # monkey patching urllib2.urlopen so that the testcase doesnt really opens a url
+        proxyTarget_1 = "http://my.sweet.service"
+        proxyTarget_2 = "http://my.malicious.service"
+
+        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 = 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'))
+
+        #Step 2: Get the actual proxy ticket
+        proxyTicketResponse = self.client.get(reverse('proxy'), {'targetService': proxyTarget_2, 'pgt': pgt.text}, follow=False)
+        proxyTicketResponseXml = ElementTree.parse(StringIO.StringIO(proxyTicketResponse.content))
+        self.assertIsNotNone(proxyTicketResponseXml.find(CAS + "authenticationFailure", namespaces=NSMAP))
+
+
     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)
@@ -73,47 +208,47 @@ class ViewsTest(TestCase):
 
         response = self._validate_cas2(response, True)
         self.assertEqual(response.content, '''<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/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: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>''')
+                                           '''<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">'''
 
         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>''')
+                                           '''<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">'''
 
         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>''')
+                                           '''<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):
 
 
     def test_cas2_fail_validate(self):
@@ -167,14 +302,16 @@ class ViewsTest(TestCase):
             self.assertEqual(response.content, u'no\n\n')
 
 
             self.assertEqual(response.content, u'no\n\n')
 
 
-    def _validate_cas2(self, response, is_correct=True):
+    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 is_correct:
             self.assertEqual(response.status_code, 302)
             self.assertTrue(response.has_header('location'))
             location = urlparse(response['location'])
             ticket = location.query.split('=')[1]
-
-            response = self.client.get(reverse('cas_service_validate'), {'ticket': ticket, 'service': self.service}, follow=False)
+            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(response.status_code, 200)
         else:
             self.assertEqual(response.status_code, 200)
@@ -185,7 +322,6 @@ class ViewsTest(TestCase):
             self.assertEqual(response.content, _cas2_error_response(INVALID_TICKET).content)
         return response
 
             self.assertEqual(response.content, _cas2_error_response(INVALID_TICKET).content)
         return response
 
-
 class ModelsTestCase(TestCase):
 
     fixtures = ['cas_users.json', ]
 class ModelsTestCase(TestCase):
 
     fixtures = ['cas_users.json', ]
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