mirror of
https://mau.dev/maunium/synapse.git
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7eb6e39a8f
This great big stack of commits is a a whole load of hoop-jumping to make it easier to store additional values in login tokens, and then to actually store the SSO Identity Provider in the login token. (Making use of that data will follow in a subsequent PR.)
217 lines
7.5 KiB
Python
217 lines
7.5 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.errors import AuthError, ResourceLimitError
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from tests import unittest
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from tests.test_utils import make_awaitable
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class AuthTestCase(unittest.HomeserverTestCase):
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def prepare(self, reactor, clock, hs):
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self.auth_handler = hs.get_auth_handler()
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self.macaroon_generator = hs.get_macaroon_generator()
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# MAU tests
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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 = hs.get_auth()._auth_blocking
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self.auth_blocking._max_mau_value = 50
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self.small_number_of_users = 1
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self.large_number_of_users = 100
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def test_token_is_a_macaroon(self):
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token = self.macaroon_generator.generate_access_token("some_user")
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# Check that we can parse the thing with pymacaroons
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macaroon = pymacaroons.Macaroon.deserialize(token)
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# The most basic of sanity checks
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if "some_user" not in macaroon.inspect():
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self.fail("some_user was not in %s" % macaroon.inspect())
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def test_macaroon_caveats(self):
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token = self.macaroon_generator.generate_access_token("a_user")
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macaroon = pymacaroons.Macaroon.deserialize(token)
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def verify_gen(caveat):
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return caveat == "gen = 1"
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def verify_user(caveat):
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return caveat == "user_id = a_user"
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def verify_type(caveat):
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return caveat == "type = access"
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def verify_nonce(caveat):
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return caveat.startswith("nonce =")
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v = pymacaroons.Verifier()
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v.satisfy_general(verify_gen)
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v.satisfy_general(verify_user)
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v.satisfy_general(verify_type)
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v.satisfy_general(verify_nonce)
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v.verify(macaroon, self.hs.config.macaroon_secret_key)
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def test_short_term_login_token_gives_user_id(self):
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token = self.macaroon_generator.generate_short_term_login_token(
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"a_user", "", 5000
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)
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res = self.get_success(self.auth_handler.validate_short_term_login_token(token))
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self.assertEqual("a_user", res.user_id)
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self.assertEqual("", res.auth_provider_id)
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# when we advance the clock, the token should be rejected
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self.reactor.advance(6)
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self.get_failure(
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self.auth_handler.validate_short_term_login_token(token),
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AuthError,
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)
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def test_short_term_login_token_gives_auth_provider(self):
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token = self.macaroon_generator.generate_short_term_login_token(
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"a_user", auth_provider_id="my_idp"
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)
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res = self.get_success(self.auth_handler.validate_short_term_login_token(token))
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self.assertEqual("a_user", res.user_id)
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self.assertEqual("my_idp", res.auth_provider_id)
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def test_short_term_login_token_cannot_replace_user_id(self):
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token = self.macaroon_generator.generate_short_term_login_token(
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"a_user", "", 5000
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)
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macaroon = pymacaroons.Macaroon.deserialize(token)
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res = self.get_success(
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self.auth_handler.validate_short_term_login_token(macaroon.serialize())
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)
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self.assertEqual("a_user", res.user_id)
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# add another "user_id" caveat, which might allow us to override the
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# user_id.
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macaroon.add_first_party_caveat("user_id = b_user")
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self.get_failure(
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self.auth_handler.validate_short_term_login_token(macaroon.serialize()),
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AuthError,
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)
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def test_mau_limits_disabled(self):
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self.auth_blocking._limit_usage_by_mau = False
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# Ensure does not throw exception
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self.get_success(
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self.auth_handler.get_access_token_for_user_id(
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"user_a", device_id=None, valid_until_ms=None
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)
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)
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self.get_success(
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self.auth_handler.validate_short_term_login_token(
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self._get_macaroon().serialize()
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)
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)
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def test_mau_limits_exceeded_large(self):
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self.auth_blocking._limit_usage_by_mau = True
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=make_awaitable(self.large_number_of_users)
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)
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self.get_failure(
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self.auth_handler.get_access_token_for_user_id(
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"user_a", device_id=None, valid_until_ms=None
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),
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ResourceLimitError,
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)
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=make_awaitable(self.large_number_of_users)
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)
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self.get_failure(
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self.auth_handler.validate_short_term_login_token(
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self._get_macaroon().serialize()
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),
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ResourceLimitError,
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)
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def test_mau_limits_parity(self):
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# Ensure we're not at the unix epoch.
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self.reactor.advance(1)
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self.auth_blocking._limit_usage_by_mau = True
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# Set the server to be at the edge of too many users.
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=make_awaitable(self.auth_blocking._max_mau_value)
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)
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# If not in monthly active cohort
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self.get_failure(
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self.auth_handler.get_access_token_for_user_id(
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"user_a", device_id=None, valid_until_ms=None
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),
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ResourceLimitError,
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)
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self.get_failure(
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self.auth_handler.validate_short_term_login_token(
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self._get_macaroon().serialize()
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),
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ResourceLimitError,
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)
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# If in monthly active cohort
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self.hs.get_datastore().user_last_seen_monthly_active = Mock(
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return_value=make_awaitable(self.clock.time_msec())
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)
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self.get_success(
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self.auth_handler.get_access_token_for_user_id(
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"user_a", device_id=None, valid_until_ms=None
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)
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)
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self.get_success(
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self.auth_handler.validate_short_term_login_token(
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self._get_macaroon().serialize()
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)
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)
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def test_mau_limits_not_exceeded(self):
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self.auth_blocking._limit_usage_by_mau = True
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=make_awaitable(self.small_number_of_users)
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)
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# Ensure does not raise exception
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self.get_success(
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self.auth_handler.get_access_token_for_user_id(
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"user_a", device_id=None, valid_until_ms=None
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)
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)
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=make_awaitable(self.small_number_of_users)
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)
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self.get_success(
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self.auth_handler.validate_short_term_login_token(
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self._get_macaroon().serialize()
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)
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)
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def _get_macaroon(self):
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token = self.macaroon_generator.generate_short_term_login_token(
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"user_a", "", 5000
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)
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return pymacaroons.Macaroon.deserialize(token)
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