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# Copyright 2017 Vector Creations Ltd
#
# 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.
import signedjson.key
import signedjson.types
import unpaddedbase64
from twisted.internet.defer import Deferred
from synapse.storage.keys import FetchKeyResult
import tests.unittest
def decode_verify_key_base64(
key_id: str, key_base64: str
) -> signedjson.types.VerifyKey:
key_bytes = unpaddedbase64.decode_base64(key_base64)
return signedjson.key.decode_verify_key_bytes(key_id, key_bytes)
KEY_1 = decode_verify_key_base64(
"ed25519:key1", "fP5l4JzpZPq/zdbBg5xx6lQGAAOM9/3w94cqiJ5jPrw"
)
KEY_2 = decode_verify_key_base64(
"ed25519:key2", "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw"
)
class KeyStoreTestCase(tests.unittest.HomeserverTestCase):
def test_get_server_verify_keys(self) -> None:
store = self.hs.get_datastores().main
key_id_1 = "ed25519:key1"
key_id_2 = "ed25519:KEY_ID_2"
d = store.store_server_verify_keys(
"from_server",
10,
[
("server1", key_id_1, FetchKeyResult(KEY_1, 100)),
("server1", key_id_2, FetchKeyResult(KEY_2, 200)),
],
)
self.get_success(d)
d = store.get_server_verify_keys(
[("server1", key_id_1), ("server1", key_id_2), ("server1", "ed25519:key3")]
)
res = self.get_success(d)
self.assertEqual(len(res.keys()), 3)
res1 = res[("server1", key_id_1)]
self.assertEqual(res1.verify_key, KEY_1)
self.assertEqual(res1.verify_key.version, "key1")
self.assertEqual(res1.valid_until_ts, 100)
res2 = res[("server1", key_id_2)]
self.assertEqual(res2.verify_key, KEY_2)
# version comes from the ID it was stored with
self.assertEqual(res2.verify_key.version, "KEY_ID_2")
self.assertEqual(res2.valid_until_ts, 200)
# non-existent result gives None
self.assertIsNone(res[("server1", "ed25519:key3")])
def test_cache(self) -> None:
"""Check that updates correctly invalidate the cache."""
store = self.hs.get_datastores().main
key_id_1 = "ed25519:key1"
key_id_2 = "ed25519:key2"
d = store.store_server_verify_keys(
"from_server",
0,
[
("srv1", key_id_1, FetchKeyResult(KEY_1, 100)),
("srv1", key_id_2, FetchKeyResult(KEY_2, 200)),
],
)
self.get_success(d)
d = store.get_server_verify_keys([("srv1", key_id_1), ("srv1", key_id_2)])
res = self.get_success(d)
self.assertEqual(len(res.keys()), 2)
res1 = res[("srv1", key_id_1)]
self.assertEqual(res1.verify_key, KEY_1)
self.assertEqual(res1.valid_until_ts, 100)
res2 = res[("srv1", key_id_2)]
self.assertEqual(res2.verify_key, KEY_2)
self.assertEqual(res2.valid_until_ts, 200)
# we should be able to look up the same thing again without a db hit
res = store.get_server_verify_keys([("srv1", key_id_1)])
if isinstance(res, Deferred):
res = self.successResultOf(res)
self.assertEqual(len(res.keys()), 1)
self.assertEqual(res[("srv1", key_id_1)].verify_key, KEY_1)
new_key_2 = signedjson.key.get_verify_key(
signedjson.key.generate_signing_key("key2")
)
d = store.store_server_verify_keys(
"from_server", 10, [("srv1", key_id_2, FetchKeyResult(new_key_2, 300))]
)
self.get_success(d)
d = store.get_server_verify_keys([("srv1", key_id_1), ("srv1", key_id_2)])
res = self.get_success(d)
self.assertEqual(len(res.keys()), 2)
res1 = res[("srv1", key_id_1)]
self.assertEqual(res1.verify_key, KEY_1)
self.assertEqual(res1.valid_until_ts, 100)
res2 = res[("srv1", key_id_2)]
self.assertEqual(res2.verify_key, new_key_2)
self.assertEqual(res2.valid_until_ts, 300)
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