235 lines
8.2 KiB
Python
235 lines
8.2 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 signedjson.key
|
|
import signedjson.sign
|
|
|
|
from twisted.internet import defer, reactor
|
|
|
|
from synapse.api.errors import SynapseError
|
|
from synapse.crypto import keyring
|
|
from synapse.util import Clock, logcontext
|
|
from synapse.util.logcontext import LoggingContext
|
|
|
|
from tests import unittest, utils
|
|
|
|
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
signedjson.sign.sign_json(res, self.server_name, self.key)
|
|
return res
|
|
|
|
|
|
class KeyringTestCase(unittest.TestCase):
|
|
@defer.inlineCallbacks
|
|
def setUp(self):
|
|
self.mock_perspective_server = MockPerspectiveServer()
|
|
self.http_client = Mock()
|
|
self.hs = yield utils.setup_test_homeserver(
|
|
handlers=None,
|
|
http_client=self.http_client,
|
|
)
|
|
self.hs.config.perspectives = {
|
|
self.mock_perspective_server.server_name:
|
|
self.mock_perspective_server.get_verify_keys()
|
|
}
|
|
|
|
def check_context(self, _, expected):
|
|
self.assertEquals(
|
|
getattr(LoggingContext.current_context(), "request", None),
|
|
expected
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def test_wait_for_previous_lookups(self):
|
|
sentinel_context = LoggingContext.current_context()
|
|
|
|
kr = keyring.Keyring(self.hs)
|
|
|
|
lookup_1_deferred = defer.Deferred()
|
|
lookup_2_deferred = defer.Deferred()
|
|
|
|
with LoggingContext("one") as context_one:
|
|
context_one.request = "one"
|
|
|
|
wait_1_deferred = kr.wait_for_previous_lookups(
|
|
["server1"],
|
|
{"server1": lookup_1_deferred},
|
|
)
|
|
|
|
# there were no previous lookups, so the deferred should be ready
|
|
self.assertTrue(wait_1_deferred.called)
|
|
# ... so we should have preserved the LoggingContext.
|
|
self.assertIs(LoggingContext.current_context(), context_one)
|
|
wait_1_deferred.addBoth(self.check_context, "one")
|
|
|
|
with LoggingContext("two") as context_two:
|
|
context_two.request = "two"
|
|
|
|
# set off another wait. It should block because the first lookup
|
|
# hasn't yet completed.
|
|
wait_2_deferred = kr.wait_for_previous_lookups(
|
|
["server1"],
|
|
{"server1": lookup_2_deferred},
|
|
)
|
|
self.assertFalse(wait_2_deferred.called)
|
|
# ... so we should have reset the LoggingContext.
|
|
self.assertIs(LoggingContext.current_context(), sentinel_context)
|
|
wait_2_deferred.addBoth(self.check_context, "two")
|
|
|
|
# let the first lookup complete (in the sentinel context)
|
|
lookup_1_deferred.callback(None)
|
|
|
|
# now the second wait should complete and restore our
|
|
# loggingcontext.
|
|
yield wait_2_deferred
|
|
|
|
@defer.inlineCallbacks
|
|
def test_verify_json_objects_for_server_awaits_previous_requests(self):
|
|
clock = Clock(reactor)
|
|
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
|
|
|
|
with LoggingContext("11") as context_11:
|
|
context_11.request = "11"
|
|
|
|
# start off a first set of lookups
|
|
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)
|
|
|
|
# wait a tick for it to send the request to the perspectives server
|
|
# (it first tries the datastore)
|
|
yield clock.sleep(1) # XXX find out why this takes so long!
|
|
self.http_client.post_json.assert_called_once()
|
|
|
|
self.assertIs(LoggingContext.current_context(), context_11)
|
|
|
|
context_12 = LoggingContext("12")
|
|
context_12.request = "12"
|
|
with logcontext.PreserveLoggingContext(context_12):
|
|
# a second request for a server with outstanding requests
|
|
# should block rather than start a second call
|
|
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)],
|
|
)
|
|
yield clock.sleep(1)
|
|
self.http_client.post_json.assert_not_called()
|
|
res_deferreds_2[0].addBoth(self.check_context, None)
|
|
|
|
# complete the first request
|
|
with logcontext.PreserveLoggingContext():
|
|
persp_deferred.callback(persp_resp)
|
|
self.assertIs(LoggingContext.current_context(), context_11)
|
|
|
|
with logcontext.PreserveLoggingContext():
|
|
yield res_deferreds[0]
|
|
yield res_deferreds_2[0]
|
|
|
|
@defer.inlineCallbacks
|
|
def test_verify_json_for_server(self):
|
|
kr = keyring.Keyring(self.hs)
|
|
|
|
key1 = signedjson.key.generate_signing_key(1)
|
|
yield self.hs.datastore.store_server_verify_key(
|
|
"server9", "", time.time() * 1000,
|
|
signedjson.key.get_verify_key(key1),
|
|
)
|
|
json1 = {}
|
|
signedjson.sign.sign_json(json1, "server9", key1)
|
|
|
|
sentinel_context = LoggingContext.current_context()
|
|
|
|
with LoggingContext("one") as context_one:
|
|
context_one.request = "one"
|
|
|
|
defer = kr.verify_json_for_server("server9", {})
|
|
try:
|
|
yield defer
|
|
self.fail("should fail on unsigned json")
|
|
except SynapseError:
|
|
pass
|
|
self.assertIs(LoggingContext.current_context(), context_one)
|
|
|
|
defer = kr.verify_json_for_server("server9", json1)
|
|
self.assertFalse(defer.called)
|
|
self.assertIs(LoggingContext.current_context(), sentinel_context)
|
|
yield defer
|
|
|
|
self.assertIs(LoggingContext.current_context(), context_one)
|