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Python

# -*- coding: utf-8 -*-
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import re
import time
import unittest
import pkg_resources
from saml2.config import SPConfig
from saml2.response import AuthnResponse
from saml2.sigver import CryptoBackend, SecurityContext
from synapse.api.errors import CodeMessageException, RedirectException
from matrix_synapse_saml_mozilla._sessions import username_mapping_sessions
from matrix_synapse_saml_mozilla.mapping_provider import SamlConfig, SamlMappingProvider
from . import create_mapping_provider
class FakeResponse:
def __init__(self, source_uid, display_name):
self.ava = {
"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier": [source_uid],
"email": [],
}
if display_name:
self.ava["displayName"] = [display_name]
class FakeCryptoBackend(CryptoBackend):
pass
def _load_test_response() -> AuthnResponse:
response_xml = pkg_resources.resource_string(
"tests", "test_saml_response.xml"
).decode("utf-8")
response = AuthnResponse(
sec_context=SecurityContext(FakeCryptoBackend()),
attribute_converters={},
entity_id="https://host/_matrix/saml2/metadata.xml",
allow_unsolicited=True,
allow_unknown_attributes=True,
# tell it not to check the `destination`
asynchop=False,
# tell it not to check the issue time
timeslack=20 * 365 * 24 * 3600,
)
response.loads(response_xml, decode=False, origxml=response_xml)
response.verify()
return response
class SamlUserAttributeTestCase(unittest.TestCase):
def test_get_remote_user_id_from_name_id(self):
resp = _load_test_response()
provider = create_mapping_provider()
remote_user_id = provider.get_remote_user_id(resp, "",)
self.assertEqual(remote_user_id, "test@domain.com")
def test_redirect(self):
"""Creates a dummy response, feeds it to the provider and checks that it
redirects to the username picker.
"""
provider = create_mapping_provider({"use_name_id_for_remote_uid": False})
response = FakeResponse(123435, "Jonny")
# we expect this to redirect to the username picker
with self.assertRaises(RedirectException) as cm:
provider.saml_response_to_user_attributes(response, 0, "http://client/")
self.assertEqual(cm.exception.location, b"/_matrix/saml2/pick_username/")
cookieheader = cm.exception.cookies[0]
regex = re.compile(b"^username_mapping_session=([a-zA-Z]+);")
m = regex.search(cookieheader)
if not m:
self.fail("cookie header %s does not match %s" % (cookieheader, regex))
session_id = m.group(1).decode("ascii")
self.assertIn(
session_id, username_mapping_sessions, "session id not found in map"
)
session = username_mapping_sessions[session_id]
self.assertEqual(session.remote_user_id, 123435)
self.assertEqual(session.displayname, "Jonny")
self.assertEqual(session.client_redirect_url, "http://client/")
# the expiry time should be about 15 minutes away
expected_expiry = (time.time() + 15 * 60) * 1000
self.assertGreaterEqual(session.expiry_time_ms, expected_expiry - 1000)
self.assertLessEqual(session.expiry_time_ms, expected_expiry + 1000)
def test_reject_blacklisted_email(self):
config = SamlConfig(
use_name_id_for_remote_uid=True, domain_block_list={"otherdomain.com"}
)
provider = SamlMappingProvider(config, None)
resp = _load_test_response()
with self.assertRaises(CodeMessageException) as e:
provider.saml_response_to_user_attributes(resp, 0, "http://client/")
self.assertEqual(e.exception.code, 403)