From 848cd388d96ec95b2598f1eaaf8967b8f064c08c Mon Sep 17 00:00:00 2001 From: Hubert Chathi Date: Thu, 24 Oct 2019 21:13:01 -0400 Subject: [PATCH 1/5] delete keys when deleting backups --- .../storage/data_stores/main/e2e_room_keys.py | 8 ++ .../56/delete_keys_from_deleted_backups.sql | 25 ++++++ tests/storage/test_e2e_room_keys.py | 76 +++++++++++++++++++ 3 files changed, 109 insertions(+) create mode 100644 synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql create mode 100644 tests/storage/test_e2e_room_keys.py diff --git a/synapse/storage/data_stores/main/e2e_room_keys.py b/synapse/storage/data_stores/main/e2e_room_keys.py index ef88e7929..1cbbae5b6 100644 --- a/synapse/storage/data_stores/main/e2e_room_keys.py +++ b/synapse/storage/data_stores/main/e2e_room_keys.py @@ -321,9 +321,17 @@ class EndToEndRoomKeyStore(SQLBaseStore): def _delete_e2e_room_keys_version_txn(txn): if version is None: this_version = self._get_current_version(txn, user_id) + if this_version is None: + raise StoreError(404, "No current backup version") else: this_version = version + self._simple_delete_txn( + txn, + table="e2e_room_keys", + keyvalues={"user_id": user_id, "version": this_version}, + ) + return self._simple_update_one_txn( txn, table="e2e_room_keys_versions", diff --git a/synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql b/synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql new file mode 100644 index 000000000..1d2ddb1b1 --- /dev/null +++ b/synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql @@ -0,0 +1,25 @@ +/* Copyright 2019 The Matrix.org Foundation C.I.C + * + * 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. + */ + +/* delete room keys that belong to deleted room key version, or to room key + * versions that don't exist (anymore) + */ +DELETE FROM e2e_room_keys +WHERE version NOT IN ( + SELECT version + FROM e2e_room_keys_versions + WHERE e2e_room_keys.user_id = e2e_room_keys_versions.user_id + AND e2e_room_keys_versions.deleted = 0 +); diff --git a/tests/storage/test_e2e_room_keys.py b/tests/storage/test_e2e_room_keys.py new file mode 100644 index 000000000..ef4e7ce9d --- /dev/null +++ b/tests/storage/test_e2e_room_keys.py @@ -0,0 +1,76 @@ +# -*- coding: utf-8 -*- +# Copyright 2019 The Matrix.org Foundation C.I.C. +# +# 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 twisted.internet import defer + +from tests import unittest, utils + +# sample room_key data for use in the tests +room_key = { + "first_message_index": 1, + "forwarded_count": 1, + "is_verified": False, + "session_data": "SSBBTSBBIEZJU0gK", +} + + +class E2eRoomKeysHandlerTestCase(unittest.TestCase): + def __init__(self, *args, **kwargs): + super(E2eRoomKeysHandlerTestCase, self).__init__(*args, **kwargs) + self.hs = None # type: synapse.server.HomeServer + self.store = None # type: synapse.storage.DataStore + + @defer.inlineCallbacks + def setUp(self): + hs = yield utils.setup_test_homeserver(self.addCleanup) + + self.store = hs.get_datastore() + + @defer.inlineCallbacks + def test_room_keys_version_delete(self): + # test that deleting a room key backup deletes the keys + version1 = yield self.store.create_e2e_room_keys_version( + "user_id", {"algorithm": "rot13", "auth_data": {}} + ) + + yield self.store.set_e2e_room_key( + "user_id", version1, "room", "session", room_key + ) + + version2 = yield self.store.create_e2e_room_keys_version( + "user_id", {"algorithm": "rot13", "auth_data": {}} + ) + + yield self.store.set_e2e_room_key( + "user_id", version2, "room", "session", room_key + ) + + # make sure the keys were stored properly + keys = yield self.store.get_e2e_room_keys("user_id", version1) + self.assertEqual(len(keys["rooms"]), 1) + + keys = yield self.store.get_e2e_room_keys("user_id", version2) + self.assertEqual(len(keys["rooms"]), 1) + + # delete version1 + yield self.store.delete_e2e_room_keys_version("user_id", version1) + + # make sure the key from version1 is gone, and the key from version2 is + # still there + keys = yield self.store.get_e2e_room_keys("user_id", version1) + self.assertEqual(len(keys["rooms"]), 0) + + keys = yield self.store.get_e2e_room_keys("user_id", version2) + self.assertEqual(len(keys["rooms"]), 1) From 608947eedfaf7106cce31d0fe0c1685f2663f250 Mon Sep 17 00:00:00 2001 From: Hubert Chathi Date: Thu, 24 Oct 2019 21:33:35 -0400 Subject: [PATCH 2/5] add changelog --- changelog.d/6253.bugfix | 1 + 1 file changed, 1 insertion(+) create mode 100644 changelog.d/6253.bugfix diff --git a/changelog.d/6253.bugfix b/changelog.d/6253.bugfix new file mode 100644 index 000000000..266fae381 --- /dev/null +++ b/changelog.d/6253.bugfix @@ -0,0 +1 @@ +Delete keys from key backup when deleting backup versions. From 29a0bc5637e6811220f44ee727370a190b5be1ab Mon Sep 17 00:00:00 2001 From: Hubert Chathi Date: Thu, 24 Oct 2019 21:43:02 -0400 Subject: [PATCH 3/5] remove some unnecessary lines --- tests/storage/test_e2e_room_keys.py | 5 ----- 1 file changed, 5 deletions(-) diff --git a/tests/storage/test_e2e_room_keys.py b/tests/storage/test_e2e_room_keys.py index ef4e7ce9d..6658dbda9 100644 --- a/tests/storage/test_e2e_room_keys.py +++ b/tests/storage/test_e2e_room_keys.py @@ -27,11 +27,6 @@ room_key = { class E2eRoomKeysHandlerTestCase(unittest.TestCase): - def __init__(self, *args, **kwargs): - super(E2eRoomKeysHandlerTestCase, self).__init__(*args, **kwargs) - self.hs = None # type: synapse.server.HomeServer - self.store = None # type: synapse.storage.DataStore - @defer.inlineCallbacks def setUp(self): hs = yield utils.setup_test_homeserver(self.addCleanup) From 4cf3a30a20c64c3939135b00b3eb5b06f273c9f9 Mon Sep 17 00:00:00 2001 From: Hubert Chathi Date: Fri, 25 Oct 2019 10:42:07 -0400 Subject: [PATCH 4/5] switch to using HomeserverTestCase --- tests/storage/test_e2e_room_keys.py | 44 ++++++++++++++++------------- 1 file changed, 25 insertions(+), 19 deletions(-) diff --git a/tests/storage/test_e2e_room_keys.py b/tests/storage/test_e2e_room_keys.py index 6658dbda9..9935ac59c 100644 --- a/tests/storage/test_e2e_room_keys.py +++ b/tests/storage/test_e2e_room_keys.py @@ -26,46 +26,52 @@ room_key = { } -class E2eRoomKeysHandlerTestCase(unittest.TestCase): - @defer.inlineCallbacks - def setUp(self): - hs = yield utils.setup_test_homeserver(self.addCleanup) - +class E2eRoomKeysHandlerTestCase(unittest.HomeserverTestCase): + def make_homeserver(self, reactor, clock): + hs = self.setup_test_homeserver("server", http_client=None) self.store = hs.get_datastore() + return hs - @defer.inlineCallbacks def test_room_keys_version_delete(self): # test that deleting a room key backup deletes the keys - version1 = yield self.store.create_e2e_room_keys_version( - "user_id", {"algorithm": "rot13", "auth_data": {}} + version1 = self.get_success( + self.store.create_e2e_room_keys_version( + "user_id", {"algorithm": "rot13", "auth_data": {}} + ) ) - yield self.store.set_e2e_room_key( - "user_id", version1, "room", "session", room_key + self.get_success( + self.store.set_e2e_room_key( + "user_id", version1, "room", "session", room_key + ) ) - version2 = yield self.store.create_e2e_room_keys_version( - "user_id", {"algorithm": "rot13", "auth_data": {}} + version2 = self.get_success( + self.store.create_e2e_room_keys_version( + "user_id", {"algorithm": "rot13", "auth_data": {}} + ) ) - yield self.store.set_e2e_room_key( - "user_id", version2, "room", "session", room_key + self.get_success( + self.store.set_e2e_room_key( + "user_id", version2, "room", "session", room_key + ) ) # make sure the keys were stored properly - keys = yield self.store.get_e2e_room_keys("user_id", version1) + keys = self.get_success(self.store.get_e2e_room_keys("user_id", version1)) self.assertEqual(len(keys["rooms"]), 1) - keys = yield self.store.get_e2e_room_keys("user_id", version2) + keys = self.get_success(self.store.get_e2e_room_keys("user_id", version2)) self.assertEqual(len(keys["rooms"]), 1) # delete version1 - yield self.store.delete_e2e_room_keys_version("user_id", version1) + self.get_success(self.store.delete_e2e_room_keys_version("user_id", version1)) # make sure the key from version1 is gone, and the key from version2 is # still there - keys = yield self.store.get_e2e_room_keys("user_id", version1) + keys = self.get_success(self.store.get_e2e_room_keys("user_id", version1)) self.assertEqual(len(keys["rooms"]), 0) - keys = yield self.store.get_e2e_room_keys("user_id", version2) + keys = self.get_success(self.store.get_e2e_room_keys("user_id", version2)) self.assertEqual(len(keys["rooms"]), 1) From 4697c0de0b0b51b7b5791f3a842b174931261a47 Mon Sep 17 00:00:00 2001 From: Hubert Chathi Date: Fri, 25 Oct 2019 10:47:02 -0400 Subject: [PATCH 5/5] remove unneeded imports --- tests/storage/test_e2e_room_keys.py | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/tests/storage/test_e2e_room_keys.py b/tests/storage/test_e2e_room_keys.py index 9935ac59c..d128fde44 100644 --- a/tests/storage/test_e2e_room_keys.py +++ b/tests/storage/test_e2e_room_keys.py @@ -13,9 +13,7 @@ # See the License for the specific language governing permissions and # limitations under the License. -from twisted.internet import defer - -from tests import unittest, utils +from tests import unittest # sample room_key data for use in the tests room_key = {