mirror of
https://mau.dev/maunium/synapse.git
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1c4f05db41
The 'time' caveat on the access tokens was something of a lie, since we weren't enforcing it; more pertinently its presence stops us ever adding useful time caveats. Let's move in the right direction by not lying in our caveats.
115 lines
3.8 KiB
Python
115 lines
3.8 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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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.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(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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def test_token_is_a_macaroon(self):
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self.hs.config.macaroon_secret_key = "this key is a huge secret"
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token = self.auth_handler.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.config.macaroon_secret_key = "this key is a massive secret"
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self.hs.clock.now = 5000
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token = self.auth_handler.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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self.hs.clock.now = 1000
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token = self.auth_handler.generate_short_term_login_token(
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"a_user", 5000
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)
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self.assertEqual(
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"a_user",
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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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token
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)
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)
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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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self.auth_handler.validate_short_term_login_token_and_get_user_id(
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token
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)
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def test_short_term_login_token_cannot_replace_user_id(self):
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token = self.auth_handler.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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self.assertEqual(
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"a_user",
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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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# 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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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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