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synapse/tests/handlers/test_e2e_room_keys.py
Erik Johnston 23740eaa3d
Correctly mention previous copyright (#16820)
During the migration the automated script to update the copyright
headers accidentally got rid of some of the existing copyright lines.
Reinstate them.
2024-01-23 11:26:48 +00:00

570 lines
19 KiB
Python

#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2019 Matrix.org Foundation C.I.C.
# Copyright 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
import copy
from unittest import mock
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.errors import SynapseError
from synapse.server import HomeServer
from synapse.util import Clock
from tests import unittest
# sample room_key data for use in the tests
room_keys = {
"rooms": {
"!abc:matrix.org": {
"sessions": {
"c0ff33": {
"first_message_index": 1,
"forwarded_count": 1,
"is_verified": False,
"session_data": "SSBBTSBBIEZJU0gK",
}
}
}
}
}
class E2eRoomKeysHandlerTestCase(unittest.HomeserverTestCase):
def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
return self.setup_test_homeserver(replication_layer=mock.Mock())
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.handler = hs.get_e2e_room_keys_handler()
self.local_user = "@boris:" + hs.hostname
def test_get_missing_current_version_info(self) -> None:
"""Check that we get a 404 if we ask for info about the current version
if there is no version.
"""
e = self.get_failure(
self.handler.get_version_info(self.local_user), SynapseError
)
res = e.value.code
self.assertEqual(res, 404)
def test_get_missing_version_info(self) -> None:
"""Check that we get a 404 if we ask for info about a specific version
if it doesn't exist.
"""
e = self.get_failure(
self.handler.get_version_info(self.local_user, "bogus_version"),
SynapseError,
)
res = e.value.code
self.assertEqual(res, 404)
def test_create_version(self) -> None:
"""Check that we can create and then retrieve versions."""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
# check we can retrieve it as the current version
res = self.get_success(self.handler.get_version_info(self.local_user))
version_etag = res["etag"]
self.assertIsInstance(version_etag, str)
del res["etag"]
self.assertDictEqual(
res,
{
"version": "1",
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
"count": 0,
},
)
# check we can retrieve it as a specific version
res = self.get_success(self.handler.get_version_info(self.local_user, "1"))
self.assertEqual(res["etag"], version_etag)
del res["etag"]
self.assertDictEqual(
res,
{
"version": "1",
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
"count": 0,
},
)
# upload a new one...
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "second_version_auth_data",
},
)
)
self.assertEqual(version, "2")
# check we can retrieve it as the current version
res = self.get_success(self.handler.get_version_info(self.local_user))
del res["etag"]
self.assertDictEqual(
res,
{
"version": "2",
"algorithm": "m.megolm_backup.v1",
"auth_data": "second_version_auth_data",
"count": 0,
},
)
def test_update_version(self) -> None:
"""Check that we can update versions."""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
res = self.get_success(
self.handler.update_version(
self.local_user,
version,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "revised_first_version_auth_data",
"version": version,
},
)
)
self.assertDictEqual(res, {})
# check we can retrieve it as the current version
res = self.get_success(self.handler.get_version_info(self.local_user))
del res["etag"]
self.assertDictEqual(
res,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "revised_first_version_auth_data",
"version": version,
"count": 0,
},
)
def test_update_missing_version(self) -> None:
"""Check that we get a 404 on updating nonexistent versions"""
e = self.get_failure(
self.handler.update_version(
self.local_user,
"1",
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "revised_first_version_auth_data",
"version": "1",
},
),
SynapseError,
)
res = e.value.code
self.assertEqual(res, 404)
def test_update_omitted_version(self) -> None:
"""Check that the update succeeds if the version is missing from the body"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
self.get_success(
self.handler.update_version(
self.local_user,
version,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "revised_first_version_auth_data",
},
)
)
# check we can retrieve it as the current version
res = self.get_success(self.handler.get_version_info(self.local_user))
del res["etag"] # etag is opaque, so don't test its contents
self.assertDictEqual(
res,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "revised_first_version_auth_data",
"version": version,
"count": 0,
},
)
def test_update_bad_version(self) -> None:
"""Check that we get a 400 if the version in the body doesn't match"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
e = self.get_failure(
self.handler.update_version(
self.local_user,
version,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "revised_first_version_auth_data",
"version": "incorrect",
},
),
SynapseError,
)
res = e.value.code
self.assertEqual(res, 400)
def test_delete_missing_version(self) -> None:
"""Check that we get a 404 on deleting nonexistent versions"""
e = self.get_failure(
self.handler.delete_version(self.local_user, "1"), SynapseError
)
res = e.value.code
self.assertEqual(res, 404)
def test_delete_missing_current_version(self) -> None:
"""Check that we get a 404 on deleting nonexistent current version"""
e = self.get_failure(self.handler.delete_version(self.local_user), SynapseError)
res = e.value.code
self.assertEqual(res, 404)
def test_delete_version(self) -> None:
"""Check that we can create and then delete versions."""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
# check we can delete it
self.get_success(self.handler.delete_version(self.local_user, "1"))
# check that it's gone
e = self.get_failure(
self.handler.get_version_info(self.local_user, "1"), SynapseError
)
res = e.value.code
self.assertEqual(res, 404)
def test_get_missing_backup(self) -> None:
"""Check that we get a 404 on querying missing backup"""
e = self.get_failure(
self.handler.get_room_keys(self.local_user, "bogus_version"), SynapseError
)
res = e.value.code
self.assertEqual(res, 404)
def test_get_missing_room_keys(self) -> None:
"""Check we get an empty response from an empty backup"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
res = self.get_success(self.handler.get_room_keys(self.local_user, version))
self.assertDictEqual(res, {"rooms": {}})
# TODO: test the locking semantics when uploading room_keys,
# although this is probably best done in sytest
def test_upload_room_keys_no_versions(self) -> None:
"""Check that we get a 404 on uploading keys when no versions are defined"""
e = self.get_failure(
self.handler.upload_room_keys(self.local_user, "no_version", room_keys),
SynapseError,
)
res = e.value.code
self.assertEqual(res, 404)
def test_upload_room_keys_bogus_version(self) -> None:
"""Check that we get a 404 on uploading keys when an nonexistent version
is specified
"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
e = self.get_failure(
self.handler.upload_room_keys(self.local_user, "bogus_version", room_keys),
SynapseError,
)
res = e.value.code
self.assertEqual(res, 404)
def test_upload_room_keys_wrong_version(self) -> None:
"""Check that we get a 403 on uploading keys for an old version"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "second_version_auth_data",
},
)
)
self.assertEqual(version, "2")
e = self.get_failure(
self.handler.upload_room_keys(self.local_user, "1", room_keys), SynapseError
)
res = e.value.code
self.assertEqual(res, 403)
def test_upload_room_keys_insert(self) -> None:
"""Check that we can insert and retrieve keys for a session"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
self.get_success(
self.handler.upload_room_keys(self.local_user, version, room_keys)
)
res = self.get_success(self.handler.get_room_keys(self.local_user, version))
self.assertDictEqual(res, room_keys)
# check getting room_keys for a given room
res = self.get_success(
self.handler.get_room_keys(
self.local_user, version, room_id="!abc:matrix.org"
)
)
self.assertDictEqual(res, room_keys)
# check getting room_keys for a given session_id
res = self.get_success(
self.handler.get_room_keys(
self.local_user, version, room_id="!abc:matrix.org", session_id="c0ff33"
)
)
self.assertDictEqual(res, room_keys)
def test_upload_room_keys_merge(self) -> None:
"""Check that we can upload a new room_key for an existing session and
have it correctly merged"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
self.get_success(
self.handler.upload_room_keys(self.local_user, version, room_keys)
)
# get the etag to compare to future versions
res = self.get_success(self.handler.get_version_info(self.local_user))
backup_etag = res["etag"]
self.assertEqual(res["count"], 1)
new_room_keys = copy.deepcopy(room_keys)
new_room_key = new_room_keys["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]
# test that increasing the message_index doesn't replace the existing session
new_room_key["first_message_index"] = 2
new_room_key["session_data"] = "new"
self.get_success(
self.handler.upload_room_keys(self.local_user, version, new_room_keys)
)
res_keys = self.get_success(
self.handler.get_room_keys(self.local_user, version)
)
self.assertEqual(
res_keys["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"],
"SSBBTSBBIEZJU0gK",
)
# the etag should be the same since the session did not change
res = self.get_success(self.handler.get_version_info(self.local_user))
self.assertEqual(res["etag"], backup_etag)
# test that marking the session as verified however /does/ replace it
new_room_key["is_verified"] = True
self.get_success(
self.handler.upload_room_keys(self.local_user, version, new_room_keys)
)
res_keys = self.get_success(
self.handler.get_room_keys(self.local_user, version)
)
self.assertEqual(
res_keys["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"],
"new",
)
# the etag should NOT be equal now, since the key changed
res = self.get_success(self.handler.get_version_info(self.local_user))
self.assertNotEqual(res["etag"], backup_etag)
backup_etag = res["etag"]
# test that a session with a higher forwarded_count doesn't replace one
# with a lower forwarding count
new_room_key["forwarded_count"] = 2
new_room_key["session_data"] = "other"
self.get_success(
self.handler.upload_room_keys(self.local_user, version, new_room_keys)
)
res_keys = self.get_success(
self.handler.get_room_keys(self.local_user, version)
)
self.assertEqual(
res_keys["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"],
"new",
)
# the etag should be the same since the session did not change
res = self.get_success(self.handler.get_version_info(self.local_user))
self.assertEqual(res["etag"], backup_etag)
# TODO: check edge cases as well as the common variations here
def test_delete_room_keys(self) -> None:
"""Check that we can insert and delete keys for a session"""
version = self.get_success(
self.handler.create_version(
self.local_user,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "first_version_auth_data",
},
)
)
self.assertEqual(version, "1")
# check for bulk-delete
self.get_success(
self.handler.upload_room_keys(self.local_user, version, room_keys)
)
self.get_success(self.handler.delete_room_keys(self.local_user, version))
res = self.get_success(
self.handler.get_room_keys(
self.local_user, version, room_id="!abc:matrix.org", session_id="c0ff33"
)
)
self.assertDictEqual(res, {"rooms": {}})
# check for bulk-delete per room
self.get_success(
self.handler.upload_room_keys(self.local_user, version, room_keys)
)
self.get_success(
self.handler.delete_room_keys(
self.local_user, version, room_id="!abc:matrix.org"
)
)
res = self.get_success(
self.handler.get_room_keys(
self.local_user, version, room_id="!abc:matrix.org", session_id="c0ff33"
)
)
self.assertDictEqual(res, {"rooms": {}})
# check for bulk-delete per session
self.get_success(
self.handler.upload_room_keys(self.local_user, version, room_keys)
)
self.get_success(
self.handler.delete_room_keys(
self.local_user, version, room_id="!abc:matrix.org", session_id="c0ff33"
)
)
res = self.get_success(
self.handler.get_room_keys(
self.local_user, version, room_id="!abc:matrix.org", session_id="c0ff33"
)
)
self.assertDictEqual(res, {"rooms": {}})