django-cas-server/cas_server/tests.py
2016-06-26 22:07:38 +02:00

703 lines
25 KiB
Python

from .default_settings import settings
from django.test import TestCase
from django.test import Client
import six
from lxml import etree
from cas_server import models
from cas_server import utils
def get_login_page_params():
client = Client()
response = client.get('/login')
form = response.context["form"]
params = {}
for field in form:
if field.value():
params[field.name] = field.value()
else:
params[field.name] = ""
return client, params
def get_auth_client():
client, params = get_login_page_params()
params["username"] = settings.CAS_TEST_USER
params["password"] = settings.CAS_TEST_PASSWORD
client.post('/login', params)
return client
def get_user_ticket_request(service):
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():
(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):
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_hox_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 LoginTestCase(TestCase):
def setUp(self):
settings.CAS_AUTH_CLASS = 'cas_server.auth.TestAuthUser'
self.service_pattern = models.ServicePattern.objects.create(
name="example",
pattern="^https://www\.example\.com(/.*)?$",
)
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
def test_login_view_post_goodpass_goodlt(self):
client, params = get_login_page_params()
params["username"] = settings.CAS_TEST_USER
params["password"] = settings.CAS_TEST_PASSWORD
response = client.post('/login', params)
self.assertEqual(response.status_code, 200)
self.assertTrue(
(
b"You have successfully logged into "
b"the Central Authentication Service"
) in response.content
)
self.assertTrue(
models.User.objects.get(
username=settings.CAS_TEST_USER,
session_key=client.session.session_key
)
)
def test_login_view_post_badlt(self):
client, params = get_login_page_params()
params["username"] = settings.CAS_TEST_USER
params["password"] = settings.CAS_TEST_PASSWORD
params["lt"] = 'LT-random'
response = client.post('/login', params)
self.assertEqual(response.status_code, 200)
self.assertTrue(b"Invalid login ticket" in response.content)
self.assertFalse(
(
b"You have successfully logged into "
b"the Central Authentication Service"
) in response.content
)
def test_login_view_post_badpass_good_lt(self):
client, params = get_login_page_params()
params["username"] = settings.CAS_TEST_USER
params["password"] = "test2"
response = client.post('/login', params)
self.assertEqual(response.status_code, 200)
self.assertTrue(
(
b"The credentials you provided cannot be "
b"determined to be authentic"
) in response.content
)
self.assertFalse(
(
b"You have successfully logged into "
b"the Central Authentication Service"
) in response.content
)
def test_view_login_get_auth_allowed_service(self):
client = get_auth_client()
response = client.get("/login?service=https://www.example.com")
self.assertEqual(response.status_code, 302)
self.assertTrue(response.has_header('Location'))
self.assertTrue(
response['Location'].startswith(
"https://www.example.com?ticket=%s-" % settings.CAS_SERVICE_TICKET_PREFIX
)
)
ticket_value = response['Location'].split('ticket=')[-1]
user = models.User.objects.get(
username=settings.CAS_TEST_USER,
session_key=client.session.session_key
)
self.assertTrue(user)
ticket = models.ServiceTicket.objects.get(value=ticket_value)
self.assertEqual(ticket.user, user)
self.assertEqual(ticket.attributs, settings.CAS_TEST_ATTRIBUTES)
self.assertEqual(ticket.validate, False)
self.assertEqual(ticket.service_pattern, self.service_pattern)
def test_view_login_get_auth_denied_service(self):
client = get_auth_client()
response = client.get("/login?service=https://www.example.org")
self.assertEqual(response.status_code, 200)
self.assertTrue(b"Service https://www.example.org non allowed" in response.content)
class LogoutTestCase(TestCase):
def setUp(self):
settings.CAS_AUTH_CLASS = 'cas_server.auth.TestAuthUser'
def test_logout_view(self):
client = get_auth_client()
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
)
response = client.get("/logout")
self.assertEqual(response.status_code, 200)
self.assertTrue(
(
b"You have successfully logged out from "
b"the Central Authentication Service"
) in response.content
)
response = client.get("/login")
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_view_url(self):
client = get_auth_client()
response = client.get('/logout?url=https://www.example.com')
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)
self.assertFalse(
(
b"You have successfully logged into "
b"the Central Authentication Service"
) in response.content
)
def test_logout_view_service(self):
client = get_auth_client()
response = client.get('/logout?service=https://www.example.com')
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)
self.assertFalse(
(
b"You have successfully logged into "
b"the Central Authentication Service"
) in response.content
)
class AuthTestCase(TestCase):
def setUp(self):
settings.CAS_AUTH_CLASS = 'cas_server.auth.TestAuthUser'
self.service = 'https://www.example.com'
models.ServicePattern.objects.create(
name="example",
pattern="^https://www\.example\.com(/.*)?$"
)
def test_auth_view_goodpass(self):
settings.CAS_AUTH_SHARED_SECRET = 'test'
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'yes\n')
def test_auth_view_badpass(self):
settings.CAS_AUTH_SHARED_SECRET = 'test'
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')
def test_auth_view_badservice(self):
settings.CAS_AUTH_SHARED_SECRET = 'test'
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')
def test_auth_view_badsecret(self):
settings.CAS_AUTH_SHARED_SECRET = 'test'
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):
settings.CAS_AUTH_SHARED_SECRET = None
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")
class ValidateTestCase(TestCase):
def setUp(self):
settings.CAS_AUTH_CLASS = 'cas_server.auth.TestAuthUser'
self.service = 'https://www.example.com'
self.service_pattern = models.ServicePattern.objects.create(
name="example",
pattern="^https://www\.example\.com(/.*)?$"
)
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
def test_validate_view_ok(self):
ticket = get_user_ticket_request(self.service)[1]
client = Client()
response = client.get('/validate', {'ticket': ticket.value, 'service': self.service})
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'yes\ntest\n')
def test_validate_view_badservice(self):
ticket = get_user_ticket_request(self.service)[1]
client = Client()
response = client.get(
'/validate',
{'ticket': ticket.value, 'service': "https://www.example.org"}
)
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'no\n')
def test_validate_view_badticket(self):
get_user_ticket_request(self.service)
client = Client()
response = client.get(
'/validate',
{'ticket': "%s-RANDOM" % settings.CAS_SERVICE_TICKET_PREFIX, 'service': self.service}
)
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'no\n')
class ValidateServiceTestCase(TestCase):
def setUp(self):
settings.CAS_AUTH_CLASS = 'cas_server.auth.TestAuthUser'
self.service = 'http://127.0.0.1:45678'
self.service_pattern = models.ServicePattern.objects.create(
name="localhost",
pattern="^http://127\.0\.0\.1(:[0-9]+)?(/.*)?$",
proxy_callback=True
)
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
def test_validate_service_view_ok(self):
ticket = get_user_ticket_request(self.service)[1]
client = Client()
response = client.get('/serviceValidate', {'ticket': ticket.value, 'service': self.service})
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, settings.CAS_TEST_USER)
attributes = root.xpath(
"//cas:attributes",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertEqual(len(attributes), 1)
attrs1 = {}
for attr in attributes[0]:
attrs1[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 = {}
for attr in attributes:
attrs2[attr.attrib['name']] = attr.attrib['value']
self.assertEqual(attrs1, attrs2)
self.assertEqual(attrs1, settings.CAS_TEST_ATTRIBUTES)
def test_validate_service_view_badservice(self):
ticket = get_user_ticket_request(self.service)[1]
client = Client()
bad_service = "https://www.example.org"
response = client.get('/serviceValidate', {'ticket': ticket.value, 'service': bad_service})
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'], "INVALID_SERVICE")
self.assertEqual(error[0].text, bad_service)
def test_validate_service_view_badticket_goodprefix(self):
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.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'], "INVALID_TICKET")
self.assertEqual(error[0].text, 'ticket not found')
def test_validate_service_view_badticket_badprefix(self):
get_user_ticket_request(self.service)
client = Client()
bad_ticket = "RANDOM"
response = client.get('/serviceValidate', {'ticket': bad_ticket, 'service': self.service})
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'], "INVALID_TICKET")
self.assertEqual(error[0].text, bad_ticket)
def test_validate_service_view_ok_pgturl(self):
(host, port) = utils.PGTUrlHandler.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}
)
pgt_params = utils.PGTUrlHandler.PARAMS.copy()
self.assertEqual(response.status_code, 200)
root = etree.fromstring(response.content)
pgtiou = root.xpath(
"//cas:proxyGrantingTicket",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertEqual(len(pgtiou), 1)
self.assertEqual(pgt_params["pgtIou"], pgtiou[0].text)
self.assertTrue("pgtId" in pgt_params)
def test_validate_service_pgturl_bad_proxy_callback(self):
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.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'], "INVALID_PROXY_CALLBACK")
self.assertEqual(error[0].text, "callback url not allowed by configuration")
class ProxyTestCase(TestCase):
def setUp(self):
settings.CAS_AUTH_CLASS = 'cas_server.auth.TestAuthUser'
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
)
models.ReplaceAttributName.objects.create(name="*", service_pattern=self.service_pattern)
def test_validate_proxy_ok(self):
params = get_pgt()
# get a proxy ticket
client1 = Client()
response = client1.get('/proxy', {'pgt': params['pgtId'], 'targetService': self.service})
self.assertEqual(response.status_code, 200)
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
client2 = Client()
response = client2.get('/proxyValidate', {'ticket': proxy_ticket, 'service': self.service})
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)
# check that the proxy is send to the end service
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"])
# same tests than those for serviceValidate
users = root.xpath("//cas:user", namespaces={'cas': "http://www.yale.edu/tp/cas"})
self.assertEqual(len(users), 1)
self.assertEqual(users[0].text, settings.CAS_TEST_USER)
attributes = root.xpath(
"//cas:attributes",
namespaces={'cas': "http://www.yale.edu/tp/cas"}
)
self.assertEqual(len(attributes), 1)
attrs1 = {}
for attr in attributes[0]:
attrs1[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 = {}
for attr in attributes:
attrs2[attr.attrib['name']] = attr.attrib['value']
self.assertEqual(attrs1, attrs2)
self.assertEqual(attrs1, settings.CAS_TEST_ATTRIBUTES)
def test_validate_proxy_bad(self):
params = get_pgt()
# bad PGT
client1 = Client()
response = client1.get(
'/proxy',
{
'pgt': "%s-RANDOM" % settings.CAS_PROXY_GRANTING_TICKET_PREFIX,
'targetService': params['service']
}
)
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'], "INVALID_TICKET")
self.assertEqual(
error[0].text,
"PGT %s-RANDOM not found" % settings.CAS_PROXY_GRANTING_TICKET_PREFIX
)
# bad targetService
client2 = Client()
response = client2.get(
'/proxy',
{'pgt': params['pgtId'], 'targetService': "https://www.example.org"}
)
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'], "UNAUTHORIZED_SERVICE")
self.assertEqual(error[0].text, "https://www.example.org")
# service do not allow proxy ticket
self.service_pattern.proxy = False
self.service_pattern.save()
client3 = Client()
response = client3.get(
'/proxy',
{'pgt': params['pgtId'], 'targetService': params['service']}
)
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'], "UNAUTHORIZED_SERVICE")
self.assertEqual(
error[0].text,
'the service %s do not allow proxy ticket' % params['service']
)