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# Copyright 2022 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.
from pymacaroons.exceptions import MacaroonVerificationFailedException
from synapse.util.macaroons import MacaroonGenerator, OidcSessionData
from tests.server import get_clock
from tests.unittest import TestCase
class MacaroonGeneratorTestCase(TestCase):
def setUp(self):
self.reactor, hs_clock = get_clock()
self.macaroon_generator = MacaroonGenerator(hs_clock, "tesths", b"verysecret")
self.other_macaroon_generator = MacaroonGenerator(
hs_clock, "tesths", b"anothersecretkey"
)
def test_guest_access_token(self):
"""Test the generation and verification of guest access tokens"""
token = self.macaroon_generator.generate_guest_access_token("@user:tesths")
user_id = self.macaroon_generator.verify_guest_token(token)
self.assertEqual(user_id, "@user:tesths")
# Raises with another secret key
with self.assertRaises(MacaroonVerificationFailedException):
self.other_macaroon_generator.verify_guest_token(token)
# Check that an old access token without the guest caveat does not work
macaroon = self.macaroon_generator._generate_base_macaroon("access")
macaroon.add_first_party_caveat(f"user_id = {user_id}")
macaroon.add_first_party_caveat("nonce = 0123456789abcdef")
token = macaroon.serialize()
with self.assertRaises(MacaroonVerificationFailedException):
self.macaroon_generator.verify_guest_token(token)
def test_delete_pusher_token(self):
"""Test the generation and verification of delete_pusher tokens"""
token = self.macaroon_generator.generate_delete_pusher_token(
"@user:tesths", "m.mail", "john@example.com"
)
user_id = self.macaroon_generator.verify_delete_pusher_token(
token, "m.mail", "john@example.com"
)
self.assertEqual(user_id, "@user:tesths")
# Raises with another secret key
with self.assertRaises(MacaroonVerificationFailedException):
self.other_macaroon_generator.verify_delete_pusher_token(
token, "m.mail", "john@example.com"
)
# Raises when verifying for another pushkey
with self.assertRaises(MacaroonVerificationFailedException):
self.macaroon_generator.verify_delete_pusher_token(
token, "m.mail", "other@example.com"
)
# Raises when verifying for another app_id
with self.assertRaises(MacaroonVerificationFailedException):
self.macaroon_generator.verify_delete_pusher_token(
token, "somethingelse", "john@example.com"
)
# Check that an old token without the app_id and pushkey still works
macaroon = self.macaroon_generator._generate_base_macaroon("delete_pusher")
macaroon.add_first_party_caveat("user_id = @user:tesths")
token = macaroon.serialize()
user_id = self.macaroon_generator.verify_delete_pusher_token(
token, "m.mail", "john@example.com"
)
self.assertEqual(user_id, "@user:tesths")
def test_oidc_session_token(self):
"""Test the generation and verification of OIDC session cookies"""
state = "arandomstate"
session_data = OidcSessionData(
idp_id="oidc",
nonce="nonce",
client_redirect_url="https://example.com/",
ui_auth_session_id="",
)
token = self.macaroon_generator.generate_oidc_session_token(
state, session_data, duration_in_ms=2 * 60 * 1000
).encode("utf-8")
info = self.macaroon_generator.verify_oidc_session_token(token, state)
self.assertEqual(session_data, info)
# Raises with another secret key
with self.assertRaises(MacaroonVerificationFailedException):
self.other_macaroon_generator.verify_oidc_session_token(token, state)
# Should raise with another state
with self.assertRaises(MacaroonVerificationFailedException):
self.macaroon_generator.verify_oidc_session_token(token, "anotherstate")
# Wait a minute
self.reactor.pump([60])
# Shouldn't raise
self.macaroon_generator.verify_oidc_session_token(token, state)
# Wait another minute
self.reactor.pump([60])
# Should raise since it expired
with self.assertRaises(MacaroonVerificationFailedException):
self.macaroon_generator.verify_oidc_session_token(token, state)
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