401 lines
16 KiB
Python
401 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 - 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from mock import Mock
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import pymacaroons
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from synapse.api.auth import Auth
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from synapse.api.constants import UserTypes
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from synapse.api.errors import (
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AuthError,
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Codes,
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InvalidClientCredentialsError,
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InvalidClientTokenError,
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MissingClientTokenError,
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ResourceLimitError,
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)
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from synapse.storage.databases.main.registration import TokenLookupResult
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from synapse.types import UserID
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from tests import unittest
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from tests.test_utils import simple_async_mock
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from tests.utils import mock_getRawHeaders
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class AuthTestCase(unittest.HomeserverTestCase):
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def prepare(self, reactor, clock, hs):
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self.store = Mock()
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hs.get_datastore = Mock(return_value=self.store)
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hs.get_auth_handler().store = self.store
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self.auth = Auth(hs)
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# AuthBlocking reads from the hs' config on initialization. We need to
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# modify its config instead of the hs'
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self.auth_blocking = self.auth._auth_blocking
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self.test_user = "@foo:bar"
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self.test_token = b"_test_token_"
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# this is overridden for the appservice tests
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self.store.get_app_service_by_token = Mock(return_value=None)
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self.store.insert_client_ip = simple_async_mock(None)
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self.store.is_support_user = simple_async_mock(False)
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def test_get_user_by_req_user_valid_token(self):
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user_info = TokenLookupResult(
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user_id=self.test_user, token_id=5, device_id="device"
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)
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self.store.get_user_by_access_token = simple_async_mock(user_info)
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request = Mock(args={})
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request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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requester = self.get_success(self.auth.get_user_by_req(request))
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self.assertEquals(requester.user.to_string(), self.test_user)
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def test_get_user_by_req_user_bad_token(self):
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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f = self.get_failure(
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self.auth.get_user_by_req(request), InvalidClientTokenError
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).value
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self.assertEqual(f.code, 401)
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self.assertEqual(f.errcode, "M_UNKNOWN_TOKEN")
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def test_get_user_by_req_user_missing_token(self):
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user_info = TokenLookupResult(user_id=self.test_user, token_id=5)
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self.store.get_user_by_access_token = simple_async_mock(user_info)
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request = Mock(args={})
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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f = self.get_failure(
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self.auth.get_user_by_req(request), MissingClientTokenError
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).value
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self.assertEqual(f.code, 401)
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self.assertEqual(f.errcode, "M_MISSING_TOKEN")
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def test_get_user_by_req_appservice_valid_token(self):
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app_service = Mock(
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token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None
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)
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self.store.get_app_service_by_token = Mock(return_value=app_service)
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.getClientIP.return_value = "127.0.0.1"
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request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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requester = self.get_success(self.auth.get_user_by_req(request))
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self.assertEquals(requester.user.to_string(), self.test_user)
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def test_get_user_by_req_appservice_valid_token_good_ip(self):
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from netaddr import IPSet
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app_service = Mock(
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token="foobar",
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url="a_url",
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sender=self.test_user,
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ip_range_whitelist=IPSet(["192.168/16"]),
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)
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self.store.get_app_service_by_token = Mock(return_value=app_service)
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.getClientIP.return_value = "192.168.10.10"
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request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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requester = self.get_success(self.auth.get_user_by_req(request))
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self.assertEquals(requester.user.to_string(), self.test_user)
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def test_get_user_by_req_appservice_valid_token_bad_ip(self):
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from netaddr import IPSet
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app_service = Mock(
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token="foobar",
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url="a_url",
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sender=self.test_user,
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ip_range_whitelist=IPSet(["192.168/16"]),
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)
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self.store.get_app_service_by_token = Mock(return_value=app_service)
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.getClientIP.return_value = "131.111.8.42"
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request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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f = self.get_failure(
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self.auth.get_user_by_req(request), InvalidClientTokenError
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).value
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self.assertEqual(f.code, 401)
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self.assertEqual(f.errcode, "M_UNKNOWN_TOKEN")
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def test_get_user_by_req_appservice_bad_token(self):
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self.store.get_app_service_by_token = Mock(return_value=None)
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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f = self.get_failure(
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self.auth.get_user_by_req(request), InvalidClientTokenError
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).value
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self.assertEqual(f.code, 401)
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self.assertEqual(f.errcode, "M_UNKNOWN_TOKEN")
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def test_get_user_by_req_appservice_missing_token(self):
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app_service = Mock(token="foobar", url="a_url", sender=self.test_user)
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self.store.get_app_service_by_token = Mock(return_value=app_service)
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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f = self.get_failure(
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self.auth.get_user_by_req(request), MissingClientTokenError
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).value
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self.assertEqual(f.code, 401)
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self.assertEqual(f.errcode, "M_MISSING_TOKEN")
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def test_get_user_by_req_appservice_valid_token_valid_user_id(self):
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masquerading_user_id = b"@doppelganger:matrix.org"
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app_service = Mock(
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token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None
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)
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app_service.is_interested_in_user = Mock(return_value=True)
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self.store.get_app_service_by_token = Mock(return_value=app_service)
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# This just needs to return a truth-y value.
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self.store.get_user_by_id = simple_async_mock({"is_guest": False})
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.getClientIP.return_value = "127.0.0.1"
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request.args[b"access_token"] = [self.test_token]
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request.args[b"user_id"] = [masquerading_user_id]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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requester = self.get_success(self.auth.get_user_by_req(request))
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self.assertEquals(
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requester.user.to_string(), masquerading_user_id.decode("utf8")
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)
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def test_get_user_by_req_appservice_valid_token_bad_user_id(self):
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masquerading_user_id = b"@doppelganger:matrix.org"
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app_service = Mock(
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token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None
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)
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app_service.is_interested_in_user = Mock(return_value=False)
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self.store.get_app_service_by_token = Mock(return_value=app_service)
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self.store.get_user_by_access_token = simple_async_mock(None)
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request = Mock(args={})
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request.getClientIP.return_value = "127.0.0.1"
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request.args[b"access_token"] = [self.test_token]
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request.args[b"user_id"] = [masquerading_user_id]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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self.get_failure(self.auth.get_user_by_req(request), AuthError)
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def test_get_user_from_macaroon(self):
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self.store.get_user_by_access_token = simple_async_mock(
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TokenLookupResult(user_id="@baldrick:matrix.org", device_id="device")
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)
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user_id = "@baldrick:matrix.org"
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macaroon = pymacaroons.Macaroon(
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location=self.hs.config.server_name,
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identifier="key",
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key=self.hs.config.macaroon_secret_key,
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)
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macaroon.add_first_party_caveat("gen = 1")
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macaroon.add_first_party_caveat("type = access")
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macaroon.add_first_party_caveat("user_id = %s" % (user_id,))
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user_info = self.get_success(
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self.auth.get_user_by_access_token(macaroon.serialize())
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)
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self.assertEqual(user_id, user_info.user_id)
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# TODO: device_id should come from the macaroon, but currently comes
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# from the db.
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self.assertEqual(user_info.device_id, "device")
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def test_get_guest_user_from_macaroon(self):
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self.store.get_user_by_id = simple_async_mock({"is_guest": True})
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self.store.get_user_by_access_token = simple_async_mock(None)
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user_id = "@baldrick:matrix.org"
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macaroon = pymacaroons.Macaroon(
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location=self.hs.config.server_name,
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identifier="key",
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key=self.hs.config.macaroon_secret_key,
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)
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macaroon.add_first_party_caveat("gen = 1")
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macaroon.add_first_party_caveat("type = access")
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macaroon.add_first_party_caveat("user_id = %s" % (user_id,))
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macaroon.add_first_party_caveat("guest = true")
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serialized = macaroon.serialize()
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user_info = self.get_success(self.auth.get_user_by_access_token(serialized))
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self.assertEqual(user_id, user_info.user_id)
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self.assertTrue(user_info.is_guest)
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self.store.get_user_by_id.assert_called_with(user_id)
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def test_cannot_use_regular_token_as_guest(self):
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USER_ID = "@percy:matrix.org"
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self.store.add_access_token_to_user = simple_async_mock(None)
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self.store.get_device = simple_async_mock(None)
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token = self.get_success(
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self.hs.get_auth_handler().get_access_token_for_user_id(
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USER_ID, "DEVICE", valid_until_ms=None
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)
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)
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self.store.add_access_token_to_user.assert_called_with(
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user_id=USER_ID,
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token=token,
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device_id="DEVICE",
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valid_until_ms=None,
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puppets_user_id=None,
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)
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async def get_user(tok):
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if token != tok:
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return None
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return TokenLookupResult(
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user_id=USER_ID,
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is_guest=False,
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token_id=1234,
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device_id="DEVICE",
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)
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self.store.get_user_by_access_token = get_user
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self.store.get_user_by_id = simple_async_mock({"is_guest": False})
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# check the token works
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request = Mock(args={})
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request.args[b"access_token"] = [token.encode("ascii")]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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requester = self.get_success(
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self.auth.get_user_by_req(request, allow_guest=True)
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)
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self.assertEqual(UserID.from_string(USER_ID), requester.user)
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self.assertFalse(requester.is_guest)
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# add an is_guest caveat
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mac = pymacaroons.Macaroon.deserialize(token)
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mac.add_first_party_caveat("guest = true")
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guest_tok = mac.serialize()
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# the token should *not* work now
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request = Mock(args={})
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request.args[b"access_token"] = [guest_tok.encode("ascii")]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
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cm = self.get_failure(
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self.auth.get_user_by_req(request, allow_guest=True),
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InvalidClientCredentialsError,
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)
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self.assertEqual(401, cm.value.code)
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self.assertEqual("Guest access token used for regular user", cm.value.msg)
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self.store.get_user_by_id.assert_called_with(USER_ID)
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def test_blocking_mau(self):
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self.auth_blocking._limit_usage_by_mau = False
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self.auth_blocking._max_mau_value = 50
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lots_of_users = 100
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small_number_of_users = 1
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# Ensure no error thrown
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self.get_success(self.auth.check_auth_blocking())
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self.auth_blocking._limit_usage_by_mau = True
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self.store.get_monthly_active_count = simple_async_mock(lots_of_users)
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e = self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
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self.assertEquals(e.value.admin_contact, self.hs.config.admin_contact)
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self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
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self.assertEquals(e.value.code, 403)
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# Ensure does not throw an error
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self.store.get_monthly_active_count = simple_async_mock(small_number_of_users)
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self.get_success(self.auth.check_auth_blocking())
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def test_blocking_mau__depending_on_user_type(self):
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self.auth_blocking._max_mau_value = 50
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self.auth_blocking._limit_usage_by_mau = True
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self.store.get_monthly_active_count = simple_async_mock(100)
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# Support users allowed
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self.get_success(self.auth.check_auth_blocking(user_type=UserTypes.SUPPORT))
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self.store.get_monthly_active_count = simple_async_mock(100)
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# Bots not allowed
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self.get_failure(
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self.auth.check_auth_blocking(user_type=UserTypes.BOT), ResourceLimitError
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)
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self.store.get_monthly_active_count = simple_async_mock(100)
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# Real users not allowed
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self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
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def test_reserved_threepid(self):
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self.auth_blocking._limit_usage_by_mau = True
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self.auth_blocking._max_mau_value = 1
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self.store.get_monthly_active_count = simple_async_mock(2)
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threepid = {"medium": "email", "address": "reserved@server.com"}
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unknown_threepid = {"medium": "email", "address": "unreserved@server.com"}
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self.auth_blocking._mau_limits_reserved_threepids = [threepid]
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self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
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self.get_failure(
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self.auth.check_auth_blocking(threepid=unknown_threepid), ResourceLimitError
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)
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self.get_success(self.auth.check_auth_blocking(threepid=threepid))
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def test_hs_disabled(self):
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self.auth_blocking._hs_disabled = True
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self.auth_blocking._hs_disabled_message = "Reason for being disabled"
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e = self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
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self.assertEquals(e.value.admin_contact, self.hs.config.admin_contact)
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self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
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self.assertEquals(e.value.code, 403)
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def test_hs_disabled_no_server_notices_user(self):
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"""Check that 'hs_disabled_message' works correctly when there is no
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server_notices user.
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"""
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# this should be the default, but we had a bug where the test was doing the wrong
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# thing, so let's make it explicit
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self.auth_blocking._server_notices_mxid = None
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self.auth_blocking._hs_disabled = True
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self.auth_blocking._hs_disabled_message = "Reason for being disabled"
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e = self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
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self.assertEquals(e.value.admin_contact, self.hs.config.admin_contact)
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self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
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self.assertEquals(e.value.code, 403)
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def test_server_notices_mxid_special_cased(self):
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self.auth_blocking._hs_disabled = True
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user = "@user:server"
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self.auth_blocking._server_notices_mxid = user
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self.auth_blocking._hs_disabled_message = "Reason for being disabled"
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self.get_success(self.auth.check_auth_blocking(user))
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