Full coverage for saml + split tests

This commit is contained in:
Valentin Samir 2016-06-29 17:07:49 +02:00
parent d5920ba8ce
commit e5efdadde0
5 changed files with 568 additions and 280 deletions

145
cas_server/tests/mixin.py Normal file
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@ -0,0 +1,145 @@
"""Some mixin classes for tests"""
from cas_server.default_settings import settings
import re
from lxml import etree
from cas_server import models
class BaseServicePattern(object):
"""Mixing for setting up service pattern for testing"""
def setup_service_patterns(self, proxy=False):
"""setting up service pattern"""
# For general purpose testing
self.service = "https://www.example.com"
self.service_pattern = models.ServicePattern.objects.create(
name="example",
pattern="^https://www\.example\.com(/.*)?$",
proxy=proxy,
)
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
# For testing the restrict_users attributes
self.service_restrict_user_fail = "https://restrict_user_fail.example.com"
self.service_pattern_restrict_user_fail = models.ServicePattern.objects.create(
name="restrict_user_fail",
pattern="^https://restrict_user_fail\.example\.com(/.*)?$",
restrict_users=True,
proxy=proxy,
)
self.service_restrict_user_success = "https://restrict_user_success.example.com"
self.service_pattern_restrict_user_success = models.ServicePattern.objects.create(
name="restrict_user_success",
pattern="^https://restrict_user_success\.example\.com(/.*)?$",
restrict_users=True,
proxy=proxy,
)
models.Username.objects.create(
value=settings.CAS_TEST_USER,
service_pattern=self.service_pattern_restrict_user_success
)
# For testing the user attributes filtering conditions
self.service_filter_fail = "https://filter_fail.example.com"
self.service_pattern_filter_fail = models.ServicePattern.objects.create(
name="filter_fail",
pattern="^https://filter_fail\.example\.com(/.*)?$",
proxy=proxy,
)
models.FilterAttributValue.objects.create(
attribut="right",
pattern="^admin$",
service_pattern=self.service_pattern_filter_fail
)
self.service_filter_success = "https://filter_success.example.com"
self.service_pattern_filter_success = models.ServicePattern.objects.create(
name="filter_success",
pattern="^https://filter_success\.example\.com(/.*)?$",
proxy=proxy,
)
models.FilterAttributValue.objects.create(
attribut="email",
pattern="^%s$" % re.escape(settings.CAS_TEST_ATTRIBUTES['email']),
service_pattern=self.service_pattern_filter_success
)
# For testing the user_field attributes
self.service_field_needed_fail = "https://field_needed_fail.example.com"
self.service_pattern_field_needed_fail = models.ServicePattern.objects.create(
name="field_needed_fail",
pattern="^https://field_needed_fail\.example\.com(/.*)?$",
user_field="uid",
proxy=proxy,
)
self.service_field_needed_success = "https://field_needed_success.example.com"
self.service_pattern_field_needed_success = models.ServicePattern.objects.create(
name="field_needed_success",
pattern="^https://field_needed_success\.example\.com(/.*)?$",
user_field="alias",
proxy=proxy,
)
self.service_field_needed_success_alt = "https://field_needed_success_alt.example.com"
self.service_pattern_field_needed_success = models.ServicePattern.objects.create(
name="field_needed_success_alt",
pattern="^https://field_needed_success_alt\.example\.com(/.*)?$",
user_field="nom",
proxy=proxy,
)
class XmlContent(object):
"""Mixin for test on CAS XML responses"""
def assert_error(self, response, code, text=None):
"""Assert a validation error"""
self.assertEqual(response.status_code, 200)
root = etree.fromstring(response.content)
error = root.xpath(
"//cas:authenticationFailure",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertEqual(len(error), 1)
self.assertEqual(error[0].attrib['code'], code)
if text is not None:
self.assertEqual(error[0].text, text)
def assert_success(self, response, username, original_attributes):
"""assert a ticket validation success"""
self.assertEqual(response.status_code, 200)
root = etree.fromstring(response.content)
sucess = root.xpath(
"//cas:authenticationSuccess",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertTrue(sucess)
users = root.xpath("//cas:user", namespaces={'cas': "http://www.yale.edu/tp/cas"})
self.assertEqual(len(users), 1)
self.assertEqual(users[0].text, username)
attributes = root.xpath(
"//cas:attributes",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertEqual(len(attributes), 1)
attrs1 = set()
for attr in attributes[0]:
attrs1.add((attr.tag[len("http://www.yale.edu/tp/cas")+2:], attr.text))
attributes = root.xpath("//cas:attribute", namespaces={'cas': "http://www.yale.edu/tp/cas"})
self.assertEqual(len(attributes), len(attrs1))
attrs2 = set()
for attr in attributes:
attrs2.add((attr.attrib['name'], attr.attrib['value']))
original = set()
for key, value in original_attributes.items():
if isinstance(value, list):
for sub_value in value:
original.add((key, sub_value))
else:
original.add((key, value))
self.assertEqual(attrs1, attrs2)
self.assertEqual(attrs1, original)
return root

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@ -0,0 +1,67 @@
from django.test import TestCase
import six
from cas_server import utils
class CheckPasswordCase(TestCase):
"""Tests for the utils function `utils.check_password`"""
def setUp(self):
"""Generate random bytes string that will be used ass passwords"""
self.password1 = utils.gen_saml_id()
self.password2 = utils.gen_saml_id()
if not isinstance(self.password1, bytes): # pragma: no cover executed only in python3
self.password1 = self.password1.encode("utf8")
self.password2 = self.password2.encode("utf8")
def test_setup(self):
"""check that generated password are bytes"""
self.assertIsInstance(self.password1, bytes)
self.assertIsInstance(self.password2, bytes)
def test_plain(self):
"""test the plain auth method"""
self.assertTrue(utils.check_password("plain", self.password1, self.password1, "utf8"))
self.assertFalse(utils.check_password("plain", self.password1, self.password2, "utf8"))
def test_crypt(self):
"""test the crypt auth method"""
if six.PY3:
hashed_password1 = utils.crypt.crypt(
self.password1.decode("utf8"),
"$6$UVVAQvrMyXMF3FF3"
).encode("utf8")
else:
hashed_password1 = utils.crypt.crypt(self.password1, "$6$UVVAQvrMyXMF3FF3")
self.assertTrue(utils.check_password("crypt", self.password1, hashed_password1, "utf8"))
self.assertFalse(utils.check_password("crypt", self.password2, hashed_password1, "utf8"))
def test_ldap_ssha(self):
"""test the ldap auth method with a {SSHA} scheme"""
salt = b"UVVAQvrMyXMF3FF3"
hashed_password1 = utils.LdapHashUserPassword.hash(b'{SSHA}', self.password1, salt, "utf8")
self.assertIsInstance(hashed_password1, bytes)
self.assertTrue(utils.check_password("ldap", self.password1, hashed_password1, "utf8"))
self.assertFalse(utils.check_password("ldap", self.password2, hashed_password1, "utf8"))
def test_hex_md5(self):
"""test the hex_md5 auth method"""
hashed_password1 = utils.hashlib.md5(self.password1).hexdigest()
self.assertTrue(utils.check_password("hex_md5", self.password1, hashed_password1, "utf8"))
self.assertFalse(utils.check_password("hex_md5", self.password2, hashed_password1, "utf8"))
def test_hex_sha512(self):
"""test the hex_sha512 auth method"""
hashed_password1 = utils.hashlib.sha512(self.password1).hexdigest()
self.assertTrue(
utils.check_password("hex_sha512", self.password1, hashed_password1, "utf8")
)
self.assertFalse(
utils.check_password("hex_sha512", self.password2, hashed_password1, "utf8")
)

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@ -1,12 +1,12 @@
"""Tests module"""
"""Tests module for views"""
from cas_server.default_settings import settings
import django
from django.test import TestCase, Client
from django.test.utils import override_settings
from django.utils import timezone
import re
import six
import random
import json
from lxml import etree
@ -14,203 +14,15 @@ from six.moves import range
from cas_server import models
from cas_server import utils
def copy_form(form):
"""Copy form value into a dict"""
params = {}
for field in form:
if field.value():
params[field.name] = field.value()
else:
params[field.name] = ""
return params
def get_login_page_params(client=None):
"""Return a client and the POST params for the client to login"""
if client is None:
client = Client()
response = client.get('/login')
params = copy_form(response.context["form"])
return client, params
def get_auth_client(**update):
"""return a authenticated client"""
client, params = get_login_page_params()
params["username"] = settings.CAS_TEST_USER
params["password"] = settings.CAS_TEST_PASSWORD
params.update(update)
client.post('/login', params)
return client
def get_user_ticket_request(service):
"""Make an auth client to request a ticket for `service`, return the tuple (user, ticket)"""
client = get_auth_client()
response = client.get("/login", {"service": service})
ticket_value = response['Location'].split('ticket=')[-1]
user = models.User.objects.get(
username=settings.CAS_TEST_USER,
session_key=client.session.session_key
)
ticket = models.ServiceTicket.objects.get(value=ticket_value)
return (user, ticket)
def get_pgt():
"""return a dict contening a service, user and PGT ticket for this service"""
(host, port) = utils.PGTUrlHandler.run()[1:3]
service = "http://%s:%s" % (host, port)
(user, ticket) = get_user_ticket_request(service)
client = Client()
client.get('/serviceValidate', {'ticket': ticket.value, 'service': service, 'pgtUrl': service})
params = utils.PGTUrlHandler.PARAMS.copy()
params["service"] = service
params["user"] = user
return params
class CheckPasswordCase(TestCase):
"""Tests for the utils function `utils.check_password`"""
def setUp(self):
"""Generate random bytes string that will be used ass passwords"""
self.password1 = utils.gen_saml_id()
self.password2 = utils.gen_saml_id()
if not isinstance(self.password1, bytes): # pragma: no cover executed only in python3
self.password1 = self.password1.encode("utf8")
self.password2 = self.password2.encode("utf8")
def test_setup(self):
"""check that generated password are bytes"""
self.assertIsInstance(self.password1, bytes)
self.assertIsInstance(self.password2, bytes)
def test_plain(self):
"""test the plain auth method"""
self.assertTrue(utils.check_password("plain", self.password1, self.password1, "utf8"))
self.assertFalse(utils.check_password("plain", self.password1, self.password2, "utf8"))
def test_crypt(self):
"""test the crypt auth method"""
if six.PY3:
hashed_password1 = utils.crypt.crypt(
self.password1.decode("utf8"),
"$6$UVVAQvrMyXMF3FF3"
).encode("utf8")
else:
hashed_password1 = utils.crypt.crypt(self.password1, "$6$UVVAQvrMyXMF3FF3")
self.assertTrue(utils.check_password("crypt", self.password1, hashed_password1, "utf8"))
self.assertFalse(utils.check_password("crypt", self.password2, hashed_password1, "utf8"))
def test_ldap_ssha(self):
"""test the ldap auth method with a {SSHA} scheme"""
salt = b"UVVAQvrMyXMF3FF3"
hashed_password1 = utils.LdapHashUserPassword.hash(b'{SSHA}', self.password1, salt, "utf8")
self.assertIsInstance(hashed_password1, bytes)
self.assertTrue(utils.check_password("ldap", self.password1, hashed_password1, "utf8"))
self.assertFalse(utils.check_password("ldap", self.password2, hashed_password1, "utf8"))
def test_hex_md5(self):
"""test the hex_md5 auth method"""
hashed_password1 = utils.hashlib.md5(self.password1).hexdigest()
self.assertTrue(utils.check_password("hex_md5", self.password1, hashed_password1, "utf8"))
self.assertFalse(utils.check_password("hex_md5", self.password2, hashed_password1, "utf8"))
def test_hex_sha512(self):
"""test the hex_sha512 auth method"""
hashed_password1 = utils.hashlib.sha512(self.password1).hexdigest()
self.assertTrue(
utils.check_password("hex_sha512", self.password1, hashed_password1, "utf8")
)
self.assertFalse(
utils.check_password("hex_sha512", self.password2, hashed_password1, "utf8")
)
class BaseServicePattern(object):
"""Mixing for setting up service pattern for testing"""
def setup_service_patterns(self, proxy=False):
"""setting up service pattern"""
# For general purpose testing
self.service = "https://www.example.com"
self.service_pattern = models.ServicePattern.objects.create(
name="example",
pattern="^https://www\.example\.com(/.*)?$",
proxy=proxy,
)
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
# For testing the restrict_users attributes
self.service_restrict_user_fail = "https://restrict_user_fail.example.com"
self.service_pattern_restrict_user_fail = models.ServicePattern.objects.create(
name="restrict_user_fail",
pattern="^https://restrict_user_fail\.example\.com(/.*)?$",
restrict_users=True,
proxy=proxy,
)
self.service_restrict_user_success = "https://restrict_user_success.example.com"
self.service_pattern_restrict_user_success = models.ServicePattern.objects.create(
name="restrict_user_success",
pattern="^https://restrict_user_success\.example\.com(/.*)?$",
restrict_users=True,
proxy=proxy,
)
models.Username.objects.create(
value=settings.CAS_TEST_USER,
service_pattern=self.service_pattern_restrict_user_success
)
# For testing the user attributes filtering conditions
self.service_filter_fail = "https://filter_fail.example.com"
self.service_pattern_filter_fail = models.ServicePattern.objects.create(
name="filter_fail",
pattern="^https://filter_fail\.example\.com(/.*)?$",
proxy=proxy,
)
models.FilterAttributValue.objects.create(
attribut="right",
pattern="^admin$",
service_pattern=self.service_pattern_filter_fail
)
self.service_filter_success = "https://filter_success.example.com"
self.service_pattern_filter_success = models.ServicePattern.objects.create(
name="filter_success",
pattern="^https://filter_success\.example\.com(/.*)?$",
proxy=proxy,
)
models.FilterAttributValue.objects.create(
attribut="email",
pattern="^%s$" % re.escape(settings.CAS_TEST_ATTRIBUTES['email']),
service_pattern=self.service_pattern_filter_success
)
# For testing the user_field attributes
self.service_field_needed_fail = "https://field_needed_fail.example.com"
self.service_pattern_field_needed_fail = models.ServicePattern.objects.create(
name="field_needed_fail",
pattern="^https://field_needed_fail\.example\.com(/.*)?$",
user_field="uid",
proxy=proxy,
)
self.service_field_needed_success = "https://field_needed_success.example.com"
self.service_pattern_field_needed_success = models.ServicePattern.objects.create(
name="field_needed_success",
pattern="^https://field_needed_success\.example\.com(/.*)?$",
user_field="nom",
proxy=proxy,
)
from cas_server.tests.utils import (
copy_form,
get_login_page_params,
get_auth_client,
get_user_ticket_request,
get_pgt,
get_proxy_ticket
)
from cas_server.tests.mixin import BaseServicePattern, XmlContent
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
@ -449,7 +261,7 @@ class LoginTestCase(TestCase, BaseServicePattern):
response["Location"].startswith("%s?ticket=" % self.service_field_needed_success)
)
@override_settings(CAS_TEST_ATTRIBUTES={'nom': []})
@override_settings(CAS_TEST_ATTRIBUTES={'alias': []})
def test_service_user_field_evaluate_to_false(self):
"""
Test using a user attribute as username:
@ -458,7 +270,7 @@ class LoginTestCase(TestCase, BaseServicePattern):
client = get_auth_client()
response = client.get("/login", {"service": self.service_field_needed_success})
self.assertEqual(response.status_code, 200)
self.assertTrue(b"The attribut nom is needed to use that service" in response.content)
self.assertTrue(b"The attribut alias is needed to use that service" in response.content)
def test_gateway(self):
"""test gateway parameter"""
@ -743,6 +555,22 @@ class AuthTestCase(TestCase):
@override_settings(CAS_AUTH_SHARED_SECRET='test')
def test_auth_view_goodpass(self):
"""successful request are awsered by yes"""
client = get_auth_client()
response = client.post(
'/auth',
{
'username': settings.CAS_TEST_USER,
'password': settings.CAS_TEST_PASSWORD,
'service': self.service,
'secret': 'test'
}
)
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'yes\n')
@override_settings(CAS_AUTH_SHARED_SECRET='test')
def test_auth_view_goodpass_logged(self):
"""successful request are awsered by yes, using a logged sessions"""
client = Client()
response = client.post(
'/auth',
@ -853,6 +681,12 @@ class ValidateTestCase(TestCase):
pattern="^https://user_field\.example\.com(/.*)?$",
user_field="alias"
)
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"
)
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
def test_validate_view_ok(self):
@ -893,14 +727,18 @@ class ValidateTestCase(TestCase):
test with a good user_field. A bad user_field (that evaluate to False)
wont happed cause it is filtered in the login view
"""
ticket = get_user_ticket_request(self.service_user_field)[1]
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': self.service_user_field}
{'ticket': ticket.value, 'service': service}
)
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'yes\ndemo1\n')
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]"""
@ -916,63 +754,6 @@ class ValidateTestCase(TestCase):
self.assertEqual(response.content, b'no\n')
class XmlContent(object):
"""Mixin for test on CAS XML responses"""
def assert_error(self, response, code, text=None):
"""Assert a validation error"""
self.assertEqual(response.status_code, 200)
root = etree.fromstring(response.content)
error = root.xpath(
"//cas:authenticationFailure",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertEqual(len(error), 1)
self.assertEqual(error[0].attrib['code'], code)
if text is not None:
self.assertEqual(error[0].text, text)
def assert_success(self, response, username, original_attributes):
"""assert a ticket validation success"""
self.assertEqual(response.status_code, 200)
root = etree.fromstring(response.content)
sucess = root.xpath(
"//cas:authenticationSuccess",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertTrue(sucess)
users = root.xpath("//cas:user", namespaces={'cas': "http://www.yale.edu/tp/cas"})
self.assertEqual(len(users), 1)
self.assertEqual(users[0].text, username)
attributes = root.xpath(
"//cas:attributes",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertEqual(len(attributes), 1)
attrs1 = set()
for attr in attributes[0]:
attrs1.add((attr.tag[len("http://www.yale.edu/tp/cas")+2:], attr.text))
attributes = root.xpath("//cas:attribute", namespaces={'cas': "http://www.yale.edu/tp/cas"})
self.assertEqual(len(attributes), len(attrs1))
attrs2 = set()
for attr in attributes:
attrs2.add((attr.attrib['name'], attr.attrib['value']))
original = set()
for key, value in original_attributes.items():
if isinstance(value, list):
for sub_value in value:
original.add((key, sub_value))
else:
original.add((key, value))
self.assertEqual(attrs1, attrs2)
self.assertEqual(attrs1, original)
return root
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
class ValidateServiceTestCase(TestCase, XmlContent):
"""tests for the serviceValidate view"""
@ -992,6 +773,12 @@ class ValidateServiceTestCase(TestCase, XmlContent):
pattern="^https://user_field\.example\.com(/.*)?$",
user_field="alias"
)
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(/.*)?$",
user_field="nom"
)
self.service_one_attribute = "https://one_attribute.example.com"
self.service_pattern_one_attribute = models.ServicePattern.objects.create(
@ -1171,15 +958,19 @@ class ValidateServiceTestCase(TestCase, XmlContent):
test with a good user_field. A bad user_field (that evaluate to False)
wont happed cause it is filtered in the login view
"""
ticket = get_user_ticket_request(self.service_user_field)[1]
for (service, username) in [
(self.service_user_field, settings.CAS_TEST_ATTRIBUTES["alias"][0]),
(self.service_user_field_alt, settings.CAS_TEST_ATTRIBUTES["nom"])
]:
ticket = get_user_ticket_request(service)[1]
client = Client()
response = client.get(
'/serviceValidate',
{'ticket': ticket.value, 'service': self.service_user_field}
{'ticket': ticket.value, 'service': service}
)
self.assert_success(
response,
settings.CAS_TEST_ATTRIBUTES["alias"][0],
username,
{}
)
@ -1349,3 +1140,198 @@ class ProxyTestCase(TestCase, BaseServicePattern, XmlContent):
"INVALID_REQUEST",
'you must specify and pgt and targetService'
)
@override_settings(CAS_AUTH_CLASS='cas_server.auth.TestAuthUser')
class SamlValidateTestCase(TestCase, BaseServicePattern, XmlContent):
"""tests for the proxy view"""
def setUp(self):
"""preparing test context"""
self.setup_service_patterns(proxy=True)
self.service_pgt = 'http://127.0.0.1'
self.service_pattern_pgt = models.ServicePattern.objects.create(
name="localhost",
pattern="^http://127\.0\.0\.1(:[0-9]+)?(/.*)?$",
proxy=True,
proxy_callback=True
)
models.ReplaceAttributName.objects.create(
name="*",
service_pattern=self.service_pattern_pgt
)
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)
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"))
user = root.xpath(
"//samla:NameIdentifier",
namespaces={'samla': "urn:oasis:names:tc:SAML:1.0:assertion"}
)
self.assertTrue(user)
self.assertEqual(user[0].text, username)
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)
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))
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 = [
get_user_ticket_request(self.service)[1],
get_proxy_ticket(self.service)
]
for ticket in tickets:
client = Client()
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'"
)
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, service), but using a bad target"""
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')

86
cas_server/tests/utils.py Normal file
View File

@ -0,0 +1,86 @@
"""Some utils functions for tests"""
from cas_server.default_settings import settings
from django.test import Client
from lxml import etree
from cas_server import models
from cas_server import utils
def copy_form(form):
"""Copy form value into a dict"""
params = {}
for field in form:
if field.value():
params[field.name] = field.value()
else:
params[field.name] = ""
return params
def get_login_page_params(client=None):
"""Return a client and the POST params for the client to login"""
if client is None:
client = Client()
response = client.get('/login')
params = copy_form(response.context["form"])
return client, params
def get_auth_client(**update):
"""return a authenticated client"""
client, params = get_login_page_params()
params["username"] = settings.CAS_TEST_USER
params["password"] = settings.CAS_TEST_PASSWORD
params.update(update)
client.post('/login', params)
return client
def get_user_ticket_request(service):
"""Make an auth client to request a ticket for `service`, return the tuple (user, ticket)"""
client = get_auth_client()
response = client.get("/login", {"service": service})
ticket_value = response['Location'].split('ticket=')[-1]
user = models.User.objects.get(
username=settings.CAS_TEST_USER,
session_key=client.session.session_key
)
ticket = models.ServiceTicket.objects.get(value=ticket_value)
return (user, ticket)
def get_pgt():
"""return a dict contening a service, user and PGT ticket for this service"""
(host, port) = utils.PGTUrlHandler.run()[1:3]
service = "http://%s:%s" % (host, port)
(user, ticket) = get_user_ticket_request(service)
client = Client()
client.get('/serviceValidate', {'ticket': ticket.value, 'service': service, 'pgtUrl': service})
params = utils.PGTUrlHandler.PARAMS.copy()
params["service"] = service
params["user"] = user
return params
def get_proxy_ticket(service):
params = get_pgt()
# get a proxy ticket
client = Client()
response = client.get('/proxy', {'pgt': params['pgtId'], 'targetService': service})
root = etree.fromstring(response.content)
proxy_ticket = root.xpath(
"//cas:proxyTicket",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
proxy_ticket = proxy_ticket[0].text
ticket = models.ProxyTicket.objects.get(value=proxy_ticket)
return ticket

View File

@ -923,11 +923,15 @@ class SamlValidate(View, AttributesMixin):
'username': self.ticket.user.username,
'attributes': attributes
}
if self.ticket.service_pattern.user_field and \
self.ticket.user.attributs.get(self.ticket.service_pattern.user_field):
if (self.ticket.service_pattern.user_field and
self.ticket.user.attributs.get(self.ticket.service_pattern.user_field)):
params['username'] = self.ticket.user.attributs.get(
self.ticket.service_pattern.user_field
)
if isinstance(params['username'], list):
# the list is not empty because we wont generate a ticket with a user_field
# that evaluate to False
params['username'] = params['username'][0]
logger.info(
"SamlValidate: ticket %s validated for user %s on service %s." % (
self.ticket.value,