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# Copyright 2015, 2016 OpenMarket 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.
from signedjson.key import decode_signing_key_base64
from signedjson.types import SigningKey
from synapse.api.room_versions import RoomVersions
from synapse.crypto.event_signing import add_hashes_and_signatures
from synapse.events import make_event_from_dict
from tests import unittest
# Perform these tests using given secret key so we get entirely deterministic
# signatures output that we can test against.
SIGNING_KEY_SEED = "YJDBA9Xnr2sVqXD9Vj7XVUnmFZcZrlw8Md7kMW+3XA1"
KEY_ALG = "ed25519"
KEY_VER = "1"
KEY_NAME = "%s:%s" % (KEY_ALG, KEY_VER)
HOSTNAME = "domain"
class EventSigningTestCase(unittest.TestCase):
def setUp(self):
self.signing_key: SigningKey = decode_signing_key_base64(
KEY_ALG, KEY_VER, SIGNING_KEY_SEED
)
def test_sign_minimal(self):
event_dict = {
"event_id": "$0:domain",
"origin": "domain",
"origin_server_ts": 1000000,
"signatures": {},
"type": "X",
"unsigned": {"age_ts": 1000000},
}
add_hashes_and_signatures(
RoomVersions.V1, event_dict, HOSTNAME, self.signing_key
)
event = make_event_from_dict(event_dict)
self.assertTrue(hasattr(event, "hashes"))
self.assertIn("sha256", event.hashes)
self.assertEqual(
event.hashes["sha256"], "6tJjLpXtggfke8UxFhAKg82QVkJzvKOVOOSjUDK4ZSI"
)
self.assertTrue(hasattr(event, "signatures"))
self.assertIn(HOSTNAME, event.signatures)
self.assertIn(KEY_NAME, event.signatures["domain"])
self.assertEqual(
event.signatures[HOSTNAME][KEY_NAME],
"2Wptgo4CwmLo/Y8B8qinxApKaCkBG2fjTWB7AbP5Uy+"
"aIbygsSdLOFzvdDjww8zUVKCmI02eP9xtyJxc/cLiBA",
)
def test_sign_message(self):
event_dict = {
"content": {"body": "Here is the message content"},
"event_id": "$0:domain",
"origin": "domain",
"origin_server_ts": 1000000,
"type": "m.room.message",
"room_id": "!r:domain",
"sender": "@u:domain",
"signatures": {},
"unsigned": {"age_ts": 1000000},
}
add_hashes_and_signatures(
RoomVersions.V1, event_dict, HOSTNAME, self.signing_key
)
event = make_event_from_dict(event_dict)
self.assertTrue(hasattr(event, "hashes"))
self.assertIn("sha256", event.hashes)
self.assertEqual(
event.hashes["sha256"], "onLKD1bGljeBWQhWZ1kaP9SorVmRQNdN5aM2JYU2n/g"
)
self.assertTrue(hasattr(event, "signatures"))
self.assertIn(HOSTNAME, event.signatures)
self.assertIn(KEY_NAME, event.signatures["domain"])
self.assertEqual(
event.signatures[HOSTNAME][KEY_NAME],
"Wm+VzmOUOz08Ds+0NTWb1d4CZrVsJSikkeRxh6aCcUw"
"u6pNC78FunoD7KNWzqFn241eYHYMGCA5McEiVPdhzBA",
)
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