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import unittest
from pyramid import testing
from pyramid.config import Configurator
class TestLegacySessionCSRFStoragePolicy(unittest.TestCase):
class MockSession:
def __init__(self, current_token='02821185e4c94269bdc38e6eeae0a2f8'):
self.current_token = current_token
def new_csrf_token(self):
self.current_token = 'e5e9e30a08b34ff9842ff7d2b958c14b'
return self.current_token
def get_csrf_token(self):
return self.current_token
def _makeOne(self):
from pyramid.csrf import LegacySessionCSRFStoragePolicy
return LegacySessionCSRFStoragePolicy()
def test_register_session_csrf_policy(self):
from pyramid.csrf import LegacySessionCSRFStoragePolicy
from pyramid.interfaces import ICSRFStoragePolicy
config = Configurator()
config.set_csrf_storage_policy(self._makeOne())
config.commit()
policy = config.registry.queryUtility(ICSRFStoragePolicy)
self.assertTrue(isinstance(policy, LegacySessionCSRFStoragePolicy))
def test_session_csrf_implementation_delegates_to_session(self):
policy = self._makeOne()
request = DummyRequest(session=self.MockSession())
self.assertEqual(
policy.get_csrf_token(request), '02821185e4c94269bdc38e6eeae0a2f8'
)
self.assertEqual(
policy.new_csrf_token(request), 'e5e9e30a08b34ff9842ff7d2b958c14b'
)
def test_check_csrf_token(self):
request = DummyRequest(session=self.MockSession('foo'))
policy = self._makeOne()
self.assertTrue(policy.check_csrf_token(request, 'foo'))
self.assertFalse(policy.check_csrf_token(request, 'bar'))
class TestSessionCSRFStoragePolicy(unittest.TestCase):
def _makeOne(self, **kw):
from pyramid.csrf import SessionCSRFStoragePolicy
return SessionCSRFStoragePolicy(**kw)
def test_register_session_csrf_policy(self):
from pyramid.csrf import SessionCSRFStoragePolicy
from pyramid.interfaces import ICSRFStoragePolicy
config = Configurator()
config.set_csrf_storage_policy(self._makeOne())
config.commit()
policy = config.registry.queryUtility(ICSRFStoragePolicy)
self.assertTrue(isinstance(policy, SessionCSRFStoragePolicy))
def test_it_creates_a_new_token(self):
request = DummyRequest(session={})
policy = self._makeOne()
policy._token_factory = lambda: 'foo'
self.assertEqual(policy.get_csrf_token(request), 'foo')
def test_get_csrf_token_returns_the_new_token(self):
request = DummyRequest(session={'_csrft_': 'foo'})
policy = self._makeOne()
self.assertEqual(policy.get_csrf_token(request), 'foo')
token = policy.new_csrf_token(request)
self.assertNotEqual(token, 'foo')
self.assertEqual(token, policy.get_csrf_token(request))
def test_check_csrf_token(self):
request = DummyRequest(session={})
policy = self._makeOne()
self.assertFalse(policy.check_csrf_token(request, 'foo'))
request.session = {'_csrft_': 'foo'}
self.assertTrue(policy.check_csrf_token(request, 'foo'))
self.assertFalse(policy.check_csrf_token(request, 'bar'))
class TestCookieCSRFStoragePolicy(unittest.TestCase):
def _makeOne(self, **kw):
from pyramid.csrf import CookieCSRFStoragePolicy
return CookieCSRFStoragePolicy(**kw)
def test_register_cookie_csrf_policy(self):
from pyramid.csrf import CookieCSRFStoragePolicy
from pyramid.interfaces import ICSRFStoragePolicy
config = Configurator()
config.set_csrf_storage_policy(self._makeOne())
config.commit()
policy = config.registry.queryUtility(ICSRFStoragePolicy)
self.assertTrue(isinstance(policy, CookieCSRFStoragePolicy))
def test_get_cookie_csrf_with_no_existing_cookie_sets_cookies(self):
response = MockResponse()
request = DummyRequest()
policy = self._makeOne()
token = policy.get_csrf_token(request)
request.response_callback(request, response)
self.assertEqual(
response.headerlist,
[
(
'Set-Cookie',
'csrf_token={}; Path=/; SameSite=Lax'.format(token),
)
],
)
def test_get_cookie_csrf_nondefault_samesite(self):
response = MockResponse()
request = DummyRequest()
policy = self._makeOne(samesite=None)
token = policy.get_csrf_token(request)
request.response_callback(request, response)
self.assertEqual(
response.headerlist,
[('Set-Cookie', 'csrf_token={}; Path=/'.format(token))],
)
def test_existing_cookie_csrf_does_not_set_cookie(self):
request = DummyRequest()
request.cookies = {'csrf_token': 'e6f325fee5974f3da4315a8ccf4513d2'}
policy = self._makeOne()
token = policy.get_csrf_token(request)
self.assertEqual(token, 'e6f325fee5974f3da4315a8ccf4513d2')
self.assertIsNone(request.response_callback)
def test_new_cookie_csrf_with_existing_cookie_sets_cookies(self):
request = DummyRequest()
request.cookies = {'csrf_token': 'e6f325fee5974f3da4315a8ccf4513d2'}
policy = self._makeOne()
token = policy.new_csrf_token(request)
response = MockResponse()
request.response_callback(request, response)
self.assertEqual(
response.headerlist,
[
(
'Set-Cookie',
'csrf_token={}; Path=/; SameSite=Lax'.format(token),
)
],
)
def test_get_csrf_token_returns_the_new_token(self):
request = DummyRequest()
request.cookies = {'csrf_token': 'foo'}
policy = self._makeOne()
self.assertEqual(policy.get_csrf_token(request), 'foo')
token = policy.new_csrf_token(request)
self.assertNotEqual(token, 'foo')
self.assertEqual(token, policy.get_csrf_token(request))
def test_check_csrf_token(self):
request = DummyRequest()
policy = self._makeOne()
self.assertFalse(policy.check_csrf_token(request, 'foo'))
request.cookies = {'csrf_token': 'foo'}
self.assertTrue(policy.check_csrf_token(request, 'foo'))
self.assertFalse(policy.check_csrf_token(request, 'bar'))
class Test_get_csrf_token(unittest.TestCase):
def setUp(self):
self.config = testing.setUp()
def _callFUT(self, *args, **kwargs):
from pyramid.csrf import get_csrf_token
return get_csrf_token(*args, **kwargs)
def test_no_override_csrf_utility_registered(self):
request = testing.DummyRequest()
self._callFUT(request)
def test_success(self):
self.config.set_csrf_storage_policy(DummyCSRF())
request = testing.DummyRequest()
csrf_token = self._callFUT(request)
self.assertEqual(csrf_token, '02821185e4c94269bdc38e6eeae0a2f8')
class Test_new_csrf_token(unittest.TestCase):
def setUp(self):
self.config = testing.setUp()
def _callFUT(self, *args, **kwargs):
from pyramid.csrf import new_csrf_token
return new_csrf_token(*args, **kwargs)
def test_no_override_csrf_utility_registered(self):
request = testing.DummyRequest()
self._callFUT(request)
def test_success(self):
self.config.set_csrf_storage_policy(DummyCSRF())
request = testing.DummyRequest()
csrf_token = self._callFUT(request)
self.assertEqual(csrf_token, 'e5e9e30a08b34ff9842ff7d2b958c14b')
class Test_check_csrf_token(unittest.TestCase):
def setUp(self):
self.config = testing.setUp()
# set up CSRF
self.config.set_default_csrf_options(require_csrf=False)
def _callFUT(self, *args, **kwargs):
from pyramid.csrf import check_csrf_token
return check_csrf_token(*args, **kwargs)
def test_success_token(self):
request = testing.DummyRequest()
request.method = "POST"
request.POST = {'csrf_token': request.session.get_csrf_token()}
self.assertEqual(self._callFUT(request, token='csrf_token'), True)
def test_success_header(self):
request = testing.DummyRequest()
request.headers['X-CSRF-Token'] = request.session.get_csrf_token()
self.assertEqual(self._callFUT(request, header='X-CSRF-Token'), True)
def test_success_default_token(self):
request = testing.DummyRequest()
request.method = "POST"
request.POST = {'csrf_token': request.session.get_csrf_token()}
self.assertEqual(self._callFUT(request), True)
def test_success_default_header(self):
request = testing.DummyRequest()
request.headers['X-CSRF-Token'] = request.session.get_csrf_token()
self.assertEqual(self._callFUT(request), True)
def test_failure_raises(self):
from pyramid.exceptions import BadCSRFToken
request = testing.DummyRequest()
self.assertRaises(BadCSRFToken, self._callFUT, request, 'csrf_token')
def test_failure_no_raises(self):
request = testing.DummyRequest()
result = self._callFUT(request, 'csrf_token', raises=False)
self.assertEqual(result, False)
class Test_check_csrf_token_without_defaults_configured(unittest.TestCase):
def setUp(self):
self.config = testing.setUp()
def _callFUT(self, *args, **kwargs):
from pyramid.csrf import check_csrf_token
return check_csrf_token(*args, **kwargs)
def test_success_token(self):
request = testing.DummyRequest()
request.method = "POST"
request.POST = {'csrf_token': request.session.get_csrf_token()}
self.assertEqual(self._callFUT(request, token='csrf_token'), True)
def test_failure_raises(self):
from pyramid.exceptions import BadCSRFToken
request = testing.DummyRequest()
self.assertRaises(BadCSRFToken, self._callFUT, request, 'csrf_token')
def test_failure_no_raises(self):
request = testing.DummyRequest()
result = self._callFUT(request, 'csrf_token', raises=False)
self.assertEqual(result, False)
class Test_check_csrf_origin(unittest.TestCase):
def _callFUT(self, *args, **kwargs):
from pyramid.csrf import check_csrf_origin
return check_csrf_origin(*args, **kwargs)
def test_success_with_http(self):
request = testing.DummyRequest()
request.scheme = "http"
self.assertTrue(self._callFUT(request))
def test_success_with_https_and_referrer(self):
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.referrer = "https://example.com/login/"
request.registry.settings = {}
self.assertTrue(self._callFUT(request))
def test_success_with_https_and_origin(self):
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.headers = {"Origin": "https://example.com/"}
request.referrer = "https://not-example.com/"
request.registry.settings = {}
self.assertTrue(self._callFUT(request))
def test_success_with_additional_trusted_host(self):
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.referrer = "https://not-example.com/login/"
request.registry.settings = {
"pyramid.csrf_trusted_origins": ["not-example.com"]
}
self.assertTrue(self._callFUT(request))
def test_success_with_nonstandard_port(self):
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com:8080"
request.host_port = "8080"
request.referrer = "https://example.com:8080/login/"
request.registry.settings = {}
self.assertTrue(self._callFUT(request))
def test_success_with_allow_no_origin(self):
request = testing.DummyRequest()
request.scheme = "https"
request.referrer = None
self.assertTrue(self._callFUT(request, allow_no_origin=True))
def test_fails_with_wrong_host(self):
from pyramid.exceptions import BadCSRFOrigin
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.referrer = "https://not-example.com/login/"
request.registry.settings = {}
self.assertRaises(BadCSRFOrigin, self._callFUT, request)
self.assertFalse(self._callFUT(request, raises=False))
def test_fails_with_no_origin(self):
from pyramid.exceptions import BadCSRFOrigin
request = testing.DummyRequest()
request.scheme = "https"
request.referrer = None
self.assertRaises(
BadCSRFOrigin, self._callFUT, request, allow_no_origin=False
)
self.assertFalse(
self._callFUT(request, raises=False, allow_no_origin=False)
)
def test_fail_with_null_origin(self):
from pyramid.exceptions import BadCSRFOrigin
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.referrer = None
request.headers = {'Origin': 'null'}
request.registry.settings = {}
self.assertFalse(self._callFUT(request, raises=False))
self.assertRaises(BadCSRFOrigin, self._callFUT, request)
def test_success_with_null_origin_and_setting(self):
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.referrer = None
request.headers = {'Origin': 'null'}
request.registry.settings = {"pyramid.csrf_trusted_origins": ["null"]}
self.assertTrue(self._callFUT(request, raises=False))
def test_success_with_multiple_origins(self):
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.headers = {
'Origin': 'https://google.com https://not-example.com'
}
request.registry.settings = {
"pyramid.csrf_trusted_origins": ["not-example.com"]
}
self.assertTrue(self._callFUT(request, raises=False))
def test_fails_when_http_to_https(self):
from pyramid.exceptions import BadCSRFOrigin
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com"
request.host_port = "443"
request.referrer = "http://example.com/evil/"
request.registry.settings = {}
self.assertRaises(BadCSRFOrigin, self._callFUT, request)
self.assertFalse(self._callFUT(request, raises=False))
def test_fails_with_nonstandard_port(self):
from pyramid.exceptions import BadCSRFOrigin
request = testing.DummyRequest()
request.scheme = "https"
request.host = "example.com:8080"
request.host_port = "8080"
request.referrer = "https://example.com/login/"
request.registry.settings = {}
self.assertRaises(BadCSRFOrigin, self._callFUT, request)
self.assertFalse(self._callFUT(request, raises=False))
class DummyRequest:
registry = None
session = None
response_callback = None
def __init__(self, registry=None, session=None):
self.registry = registry
self.session = session
self.cookies = {}
def add_response_callback(self, callback):
self.response_callback = callback
class MockResponse:
def __init__(self):
self.headerlist = []
class DummyCSRF:
def new_csrf_token(self, request):
return 'e5e9e30a08b34ff9842ff7d2b958c14b'
def get_csrf_token(self, request):
return '02821185e4c94269bdc38e6eeae0a2f8'
|
