mirror of
https://mau.dev/maunium/synapse.git
synced 2024-12-15 00:23:51 +01:00
354 lines
13 KiB
Python
354 lines
13 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2017 New Vector 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 time
|
|
|
|
from mock import Mock
|
|
|
|
import canonicaljson
|
|
import signedjson.key
|
|
import signedjson.sign
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api.errors import SynapseError
|
|
from synapse.crypto import keyring
|
|
from synapse.crypto.keyring import KeyLookupError
|
|
from synapse.util import logcontext
|
|
from synapse.util.logcontext import LoggingContext
|
|
|
|
from tests import unittest
|
|
|
|
|
|
class MockPerspectiveServer(object):
|
|
def __init__(self):
|
|
self.server_name = "mock_server"
|
|
self.key = signedjson.key.generate_signing_key(0)
|
|
|
|
def get_verify_keys(self):
|
|
vk = signedjson.key.get_verify_key(self.key)
|
|
return {"%s:%s" % (vk.alg, vk.version): vk}
|
|
|
|
def get_signed_key(self, server_name, verify_key):
|
|
key_id = "%s:%s" % (verify_key.alg, verify_key.version)
|
|
res = {
|
|
"server_name": server_name,
|
|
"old_verify_keys": {},
|
|
"valid_until_ts": time.time() * 1000 + 3600,
|
|
"verify_keys": {
|
|
key_id: {"key": signedjson.key.encode_verify_key_base64(verify_key)}
|
|
},
|
|
}
|
|
return self.get_signed_response(res)
|
|
|
|
def get_signed_response(self, res):
|
|
signedjson.sign.sign_json(res, self.server_name, self.key)
|
|
return res
|
|
|
|
|
|
class KeyringTestCase(unittest.HomeserverTestCase):
|
|
def make_homeserver(self, reactor, clock):
|
|
self.mock_perspective_server = MockPerspectiveServer()
|
|
self.http_client = Mock()
|
|
hs = self.setup_test_homeserver(handlers=None, http_client=self.http_client)
|
|
keys = self.mock_perspective_server.get_verify_keys()
|
|
hs.config.perspectives = {self.mock_perspective_server.server_name: keys}
|
|
return hs
|
|
|
|
def check_context(self, _, expected):
|
|
self.assertEquals(
|
|
getattr(LoggingContext.current_context(), "request", None), expected
|
|
)
|
|
|
|
def test_wait_for_previous_lookups(self):
|
|
kr = keyring.Keyring(self.hs)
|
|
|
|
lookup_1_deferred = defer.Deferred()
|
|
lookup_2_deferred = defer.Deferred()
|
|
|
|
# we run the lookup in a logcontext so that the patched inlineCallbacks can check
|
|
# it is doing the right thing with logcontexts.
|
|
wait_1_deferred = run_in_context(
|
|
kr.wait_for_previous_lookups, ["server1"], {"server1": lookup_1_deferred}
|
|
)
|
|
|
|
# there were no previous lookups, so the deferred should be ready
|
|
self.successResultOf(wait_1_deferred)
|
|
|
|
# set off another wait. It should block because the first lookup
|
|
# hasn't yet completed.
|
|
wait_2_deferred = run_in_context(
|
|
kr.wait_for_previous_lookups, ["server1"], {"server1": lookup_2_deferred}
|
|
)
|
|
|
|
self.assertFalse(wait_2_deferred.called)
|
|
|
|
# let the first lookup complete (in the sentinel context)
|
|
lookup_1_deferred.callback(None)
|
|
|
|
# now the second wait should complete.
|
|
self.successResultOf(wait_2_deferred)
|
|
|
|
def test_verify_json_objects_for_server_awaits_previous_requests(self):
|
|
key1 = signedjson.key.generate_signing_key(1)
|
|
|
|
kr = keyring.Keyring(self.hs)
|
|
json1 = {}
|
|
signedjson.sign.sign_json(json1, "server10", key1)
|
|
|
|
persp_resp = {
|
|
"server_keys": [
|
|
self.mock_perspective_server.get_signed_key(
|
|
"server10", signedjson.key.get_verify_key(key1)
|
|
)
|
|
]
|
|
}
|
|
persp_deferred = defer.Deferred()
|
|
|
|
@defer.inlineCallbacks
|
|
def get_perspectives(**kwargs):
|
|
self.assertEquals(LoggingContext.current_context().request, "11")
|
|
with logcontext.PreserveLoggingContext():
|
|
yield persp_deferred
|
|
defer.returnValue(persp_resp)
|
|
|
|
self.http_client.post_json.side_effect = get_perspectives
|
|
|
|
# start off a first set of lookups
|
|
@defer.inlineCallbacks
|
|
def first_lookup():
|
|
with LoggingContext("11") as context_11:
|
|
context_11.request = "11"
|
|
|
|
res_deferreds = kr.verify_json_objects_for_server(
|
|
[("server10", json1), ("server11", {})]
|
|
)
|
|
|
|
# the unsigned json should be rejected pretty quickly
|
|
self.assertTrue(res_deferreds[1].called)
|
|
try:
|
|
yield res_deferreds[1]
|
|
self.assertFalse("unsigned json didn't cause a failure")
|
|
except SynapseError:
|
|
pass
|
|
|
|
self.assertFalse(res_deferreds[0].called)
|
|
res_deferreds[0].addBoth(self.check_context, None)
|
|
|
|
yield logcontext.make_deferred_yieldable(res_deferreds[0])
|
|
|
|
# let verify_json_objects_for_server finish its work before we kill the
|
|
# logcontext
|
|
yield self.clock.sleep(0)
|
|
|
|
d0 = first_lookup()
|
|
|
|
# wait a tick for it to send the request to the perspectives server
|
|
# (it first tries the datastore)
|
|
self.pump()
|
|
self.http_client.post_json.assert_called_once()
|
|
|
|
# a second request for a server with outstanding requests
|
|
# should block rather than start a second call
|
|
@defer.inlineCallbacks
|
|
def second_lookup():
|
|
with LoggingContext("12") as context_12:
|
|
context_12.request = "12"
|
|
self.http_client.post_json.reset_mock()
|
|
self.http_client.post_json.return_value = defer.Deferred()
|
|
|
|
res_deferreds_2 = kr.verify_json_objects_for_server(
|
|
[("server10", json1)]
|
|
)
|
|
res_deferreds_2[0].addBoth(self.check_context, None)
|
|
yield logcontext.make_deferred_yieldable(res_deferreds_2[0])
|
|
|
|
# let verify_json_objects_for_server finish its work before we kill the
|
|
# logcontext
|
|
yield self.clock.sleep(0)
|
|
|
|
d2 = second_lookup()
|
|
|
|
self.pump()
|
|
self.http_client.post_json.assert_not_called()
|
|
|
|
# complete the first request
|
|
persp_deferred.callback(persp_resp)
|
|
self.get_success(d0)
|
|
self.get_success(d2)
|
|
|
|
def test_verify_json_for_server(self):
|
|
kr = keyring.Keyring(self.hs)
|
|
|
|
key1 = signedjson.key.generate_signing_key(1)
|
|
r = self.hs.datastore.store_server_verify_key(
|
|
"server9", "", time.time() * 1000, signedjson.key.get_verify_key(key1)
|
|
)
|
|
self.get_success(r)
|
|
json1 = {}
|
|
signedjson.sign.sign_json(json1, "server9", key1)
|
|
|
|
# should fail immediately on an unsigned object
|
|
d = _verify_json_for_server(kr, "server9", {})
|
|
self.failureResultOf(d, SynapseError)
|
|
|
|
d = _verify_json_for_server(kr, "server9", json1)
|
|
self.assertFalse(d.called)
|
|
self.get_success(d)
|
|
|
|
def test_get_keys_from_server(self):
|
|
# arbitrarily advance the clock a bit
|
|
self.reactor.advance(100)
|
|
|
|
SERVER_NAME = "server2"
|
|
kr = keyring.Keyring(self.hs)
|
|
testkey = signedjson.key.generate_signing_key("ver1")
|
|
testverifykey = signedjson.key.get_verify_key(testkey)
|
|
testverifykey_id = "ed25519:ver1"
|
|
VALID_UNTIL_TS = 1000
|
|
|
|
# valid response
|
|
response = {
|
|
"server_name": SERVER_NAME,
|
|
"old_verify_keys": {},
|
|
"valid_until_ts": VALID_UNTIL_TS,
|
|
"verify_keys": {
|
|
testverifykey_id: {
|
|
"key": signedjson.key.encode_verify_key_base64(testverifykey)
|
|
}
|
|
},
|
|
}
|
|
signedjson.sign.sign_json(response, SERVER_NAME, testkey)
|
|
|
|
def get_json(destination, path, **kwargs):
|
|
self.assertEqual(destination, SERVER_NAME)
|
|
self.assertEqual(path, "/_matrix/key/v2/server/key1")
|
|
return response
|
|
|
|
self.http_client.get_json.side_effect = get_json
|
|
|
|
server_name_and_key_ids = [(SERVER_NAME, ("key1",))]
|
|
keys = self.get_success(kr.get_keys_from_server(server_name_and_key_ids))
|
|
k = keys[SERVER_NAME][testverifykey_id]
|
|
self.assertEqual(k, testverifykey)
|
|
self.assertEqual(k.alg, "ed25519")
|
|
self.assertEqual(k.version, "ver1")
|
|
|
|
# check that the perspectives store is correctly updated
|
|
lookup_triplet = (SERVER_NAME, testverifykey_id, None)
|
|
key_json = self.get_success(
|
|
self.hs.get_datastore().get_server_keys_json([lookup_triplet])
|
|
)
|
|
res = key_json[lookup_triplet]
|
|
self.assertEqual(len(res), 1)
|
|
res = res[0]
|
|
self.assertEqual(res["key_id"], testverifykey_id)
|
|
self.assertEqual(res["from_server"], SERVER_NAME)
|
|
self.assertEqual(res["ts_added_ms"], self.reactor.seconds() * 1000)
|
|
self.assertEqual(res["ts_valid_until_ms"], VALID_UNTIL_TS)
|
|
|
|
# we expect it to be encoded as canonical json *before* it hits the db
|
|
self.assertEqual(
|
|
bytes(res["key_json"]), canonicaljson.encode_canonical_json(response)
|
|
)
|
|
|
|
# change the server name: it should cause a rejection
|
|
response["server_name"] = "OTHER_SERVER"
|
|
self.get_failure(
|
|
kr.get_keys_from_server(server_name_and_key_ids), KeyLookupError
|
|
)
|
|
|
|
def test_get_keys_from_perspectives(self):
|
|
# arbitrarily advance the clock a bit
|
|
self.reactor.advance(100)
|
|
|
|
SERVER_NAME = "server2"
|
|
kr = keyring.Keyring(self.hs)
|
|
testkey = signedjson.key.generate_signing_key("ver1")
|
|
testverifykey = signedjson.key.get_verify_key(testkey)
|
|
testverifykey_id = "ed25519:ver1"
|
|
VALID_UNTIL_TS = 200 * 1000
|
|
|
|
# valid response
|
|
response = {
|
|
"server_name": SERVER_NAME,
|
|
"old_verify_keys": {},
|
|
"valid_until_ts": VALID_UNTIL_TS,
|
|
"verify_keys": {
|
|
testverifykey_id: {
|
|
"key": signedjson.key.encode_verify_key_base64(testverifykey)
|
|
}
|
|
},
|
|
}
|
|
|
|
persp_resp = {
|
|
"server_keys": [self.mock_perspective_server.get_signed_response(response)]
|
|
}
|
|
|
|
def post_json(destination, path, data, **kwargs):
|
|
self.assertEqual(destination, self.mock_perspective_server.server_name)
|
|
self.assertEqual(path, "/_matrix/key/v2/query")
|
|
|
|
# check that the request is for the expected key
|
|
q = data["server_keys"]
|
|
self.assertEqual(list(q[SERVER_NAME].keys()), ["key1"])
|
|
return persp_resp
|
|
|
|
self.http_client.post_json.side_effect = post_json
|
|
|
|
server_name_and_key_ids = [(SERVER_NAME, ("key1",))]
|
|
keys = self.get_success(kr.get_keys_from_perspectives(server_name_and_key_ids))
|
|
self.assertIn(SERVER_NAME, keys)
|
|
k = keys[SERVER_NAME][testverifykey_id]
|
|
self.assertEqual(k, testverifykey)
|
|
self.assertEqual(k.alg, "ed25519")
|
|
self.assertEqual(k.version, "ver1")
|
|
|
|
# check that the perspectives store is correctly updated
|
|
lookup_triplet = (SERVER_NAME, testverifykey_id, None)
|
|
key_json = self.get_success(
|
|
self.hs.get_datastore().get_server_keys_json([lookup_triplet])
|
|
)
|
|
res = key_json[lookup_triplet]
|
|
self.assertEqual(len(res), 1)
|
|
res = res[0]
|
|
self.assertEqual(res["key_id"], testverifykey_id)
|
|
self.assertEqual(res["from_server"], self.mock_perspective_server.server_name)
|
|
self.assertEqual(res["ts_added_ms"], self.reactor.seconds() * 1000)
|
|
self.assertEqual(res["ts_valid_until_ms"], VALID_UNTIL_TS)
|
|
|
|
self.assertEqual(
|
|
bytes(res["key_json"]),
|
|
canonicaljson.encode_canonical_json(persp_resp["server_keys"][0]),
|
|
)
|
|
|
|
|
|
@defer.inlineCallbacks
|
|
def run_in_context(f, *args, **kwargs):
|
|
with LoggingContext("testctx"):
|
|
rv = yield f(*args, **kwargs)
|
|
defer.returnValue(rv)
|
|
|
|
|
|
def _verify_json_for_server(keyring, server_name, json_object):
|
|
"""thin wrapper around verify_json_for_server which makes sure it is wrapped
|
|
with the patched defer.inlineCallbacks.
|
|
"""
|
|
|
|
@defer.inlineCallbacks
|
|
def v():
|
|
rv1 = yield keyring.verify_json_for_server(server_name, json_object)
|
|
defer.returnValue(rv1)
|
|
|
|
return run_in_context(v)
|