mirror of
https://mau.dev/maunium/synapse.git
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234 lines
8.4 KiB
Python
234 lines
8.4 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 twisted.internet import defer
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import synapse
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import synapse.api.errors
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from synapse.api.errors import ResourceLimitError
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from synapse.handlers.auth import AuthHandler
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from tests import unittest
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from tests.utils import setup_test_homeserver
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class AuthHandlers(object):
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def __init__(self, hs):
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self.auth_handler = AuthHandler(hs)
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class AuthTestCase(unittest.TestCase):
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@defer.inlineCallbacks
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def setUp(self):
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self.hs = yield setup_test_homeserver(self.addCleanup, handlers=None)
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self.hs.handlers = AuthHandlers(self.hs)
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self.auth_handler = self.hs.handlers.auth_handler
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self.macaroon_generator = self.hs.get_macaroon_generator()
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# MAU tests
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self.hs.config.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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self.hs.clock.now = 5000
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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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@defer.inlineCallbacks
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def test_short_term_login_token_gives_user_id(self):
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self.hs.clock.now = 1000
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token = self.macaroon_generator.generate_short_term_login_token("a_user", 5000)
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user_id = yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(token)
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)
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self.assertEqual("a_user", user_id)
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# when we advance the clock, the token should be rejected
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self.hs.clock.now = 6000
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with self.assertRaises(synapse.api.errors.AuthError):
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yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(token)
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)
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@defer.inlineCallbacks
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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("a_user", 5000)
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macaroon = pymacaroons.Macaroon.deserialize(token)
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user_id = yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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macaroon.serialize()
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)
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)
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self.assertEqual("a_user", 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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with self.assertRaises(synapse.api.errors.AuthError):
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yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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macaroon.serialize()
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)
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)
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@defer.inlineCallbacks
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def test_mau_limits_disabled(self):
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self.hs.config.limit_usage_by_mau = False
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# Ensure does not throw exception
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yield defer.ensureDeferred(
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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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yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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self._get_macaroon().serialize()
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)
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)
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@defer.inlineCallbacks
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def test_mau_limits_exceeded_large(self):
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self.hs.config.limit_usage_by_mau = True
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=defer.succeed(self.large_number_of_users)
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)
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with self.assertRaises(ResourceLimitError):
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yield defer.ensureDeferred(
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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=defer.succeed(self.large_number_of_users)
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)
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with self.assertRaises(ResourceLimitError):
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yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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self._get_macaroon().serialize()
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)
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)
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@defer.inlineCallbacks
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def test_mau_limits_parity(self):
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self.hs.config.limit_usage_by_mau = True
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# If not in monthly active cohort
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=defer.succeed(self.hs.config.max_mau_value)
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)
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with self.assertRaises(ResourceLimitError):
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yield defer.ensureDeferred(
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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=defer.succeed(self.hs.config.max_mau_value)
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)
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with self.assertRaises(ResourceLimitError):
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yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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self._get_macaroon().serialize()
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)
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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=defer.succeed(self.hs.get_clock().time_msec())
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)
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=defer.succeed(self.hs.config.max_mau_value)
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)
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yield defer.ensureDeferred(
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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().user_last_seen_monthly_active = Mock(
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return_value=defer.succeed(self.hs.get_clock().time_msec())
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)
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=defer.succeed(self.hs.config.max_mau_value)
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)
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yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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self._get_macaroon().serialize()
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)
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)
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@defer.inlineCallbacks
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def test_mau_limits_not_exceeded(self):
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self.hs.config.limit_usage_by_mau = True
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self.hs.get_datastore().get_monthly_active_count = Mock(
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return_value=defer.succeed(self.small_number_of_users)
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)
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# Ensure does not raise exception
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yield defer.ensureDeferred(
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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=defer.succeed(self.small_number_of_users)
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)
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yield defer.ensureDeferred(
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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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("user_a", 5000)
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return pymacaroons.Macaroon.deserialize(token)
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