553 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			553 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Python
		
	
	
| # Copyright 2016 OpenMarket Ltd
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| # Copyright 2017 New Vector Ltd
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| # Copyright 2019 Matrix.org Foundation C.I.C.
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| import copy
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| from unittest import mock
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| 
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| from synapse.api.errors import SynapseError
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| 
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| from tests import unittest
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| 
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| # sample room_key data for use in the tests
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| room_keys = {
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|     "rooms": {
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|         "!abc:matrix.org": {
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|             "sessions": {
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|                 "c0ff33": {
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|                     "first_message_index": 1,
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|                     "forwarded_count": 1,
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|                     "is_verified": False,
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|                     "session_data": "SSBBTSBBIEZJU0gK",
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|                 }
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|             }
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|         }
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|     }
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| }
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| 
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| 
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| class E2eRoomKeysHandlerTestCase(unittest.HomeserverTestCase):
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|     def make_homeserver(self, reactor, clock):
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|         return self.setup_test_homeserver(replication_layer=mock.Mock())
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| 
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|     def prepare(self, reactor, clock, hs):
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|         self.handler = hs.get_e2e_room_keys_handler()
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|         self.local_user = "@boris:" + hs.hostname
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| 
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|     def test_get_missing_current_version_info(self):
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|         """Check that we get a 404 if we ask for info about the current version
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|         if there is no version.
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|         """
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|         e = self.get_failure(
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|             self.handler.get_version_info(self.local_user), SynapseError
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_get_missing_version_info(self):
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|         """Check that we get a 404 if we ask for info about a specific version
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|         if it doesn't exist.
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|         """
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|         e = self.get_failure(
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|             self.handler.get_version_info(self.local_user, "bogus_version"),
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|             SynapseError,
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_create_version(self):
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|         """Check that we can create and then retrieve versions."""
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|         res = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(res, "1")
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| 
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|         # check we can retrieve it as the current version
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         version_etag = res["etag"]
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|         self.assertIsInstance(version_etag, str)
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|         del res["etag"]
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|         self.assertDictEqual(
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|             res,
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|             {
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|                 "version": "1",
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|                 "algorithm": "m.megolm_backup.v1",
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|                 "auth_data": "first_version_auth_data",
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|                 "count": 0,
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|             },
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|         )
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| 
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|         # check we can retrieve it as a specific version
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|         res = self.get_success(self.handler.get_version_info(self.local_user, "1"))
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|         self.assertEqual(res["etag"], version_etag)
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|         del res["etag"]
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|         self.assertDictEqual(
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|             res,
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|             {
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|                 "version": "1",
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|                 "algorithm": "m.megolm_backup.v1",
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|                 "auth_data": "first_version_auth_data",
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|                 "count": 0,
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|             },
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|         )
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| 
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|         # upload a new one...
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|         res = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "second_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(res, "2")
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| 
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|         # check we can retrieve it as the current version
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         del res["etag"]
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|         self.assertDictEqual(
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|             res,
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|             {
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|                 "version": "2",
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|                 "algorithm": "m.megolm_backup.v1",
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|                 "auth_data": "second_version_auth_data",
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|                 "count": 0,
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|             },
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|         )
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| 
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|     def test_update_version(self):
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|         """Check that we can update versions."""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         res = self.get_success(
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|             self.handler.update_version(
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|                 self.local_user,
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|                 version,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "revised_first_version_auth_data",
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|                     "version": version,
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|                 },
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|             )
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|         )
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|         self.assertDictEqual(res, {})
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| 
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|         # check we can retrieve it as the current version
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         del res["etag"]
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|         self.assertDictEqual(
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|             res,
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|             {
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|                 "algorithm": "m.megolm_backup.v1",
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|                 "auth_data": "revised_first_version_auth_data",
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|                 "version": version,
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|                 "count": 0,
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|             },
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|         )
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| 
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|     def test_update_missing_version(self):
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|         """Check that we get a 404 on updating nonexistent versions"""
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|         e = self.get_failure(
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|             self.handler.update_version(
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|                 self.local_user,
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|                 "1",
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "revised_first_version_auth_data",
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|                     "version": "1",
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|                 },
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|             ),
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|             SynapseError,
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_update_omitted_version(self):
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|         """Check that the update succeeds if the version is missing from the body"""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         self.get_success(
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|             self.handler.update_version(
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|                 self.local_user,
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|                 version,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "revised_first_version_auth_data",
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|                 },
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|             )
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|         )
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| 
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|         # check we can retrieve it as the current version
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         del res["etag"]  # etag is opaque, so don't test its contents
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|         self.assertDictEqual(
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|             res,
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|             {
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|                 "algorithm": "m.megolm_backup.v1",
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|                 "auth_data": "revised_first_version_auth_data",
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|                 "version": version,
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|                 "count": 0,
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|             },
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|         )
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| 
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|     def test_update_bad_version(self):
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|         """Check that we get a 400 if the version in the body doesn't match"""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         e = self.get_failure(
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|             self.handler.update_version(
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|                 self.local_user,
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|                 version,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "revised_first_version_auth_data",
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|                     "version": "incorrect",
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|                 },
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|             ),
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|             SynapseError,
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 400)
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| 
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|     def test_delete_missing_version(self):
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|         """Check that we get a 404 on deleting nonexistent versions"""
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|         e = self.get_failure(
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|             self.handler.delete_version(self.local_user, "1"), SynapseError
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_delete_missing_current_version(self):
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|         """Check that we get a 404 on deleting nonexistent current version"""
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|         e = self.get_failure(self.handler.delete_version(self.local_user), SynapseError)
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_delete_version(self):
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|         """Check that we can create and then delete versions."""
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|         res = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(res, "1")
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| 
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|         # check we can delete it
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|         self.get_success(self.handler.delete_version(self.local_user, "1"))
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| 
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|         # check that it's gone
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|         e = self.get_failure(
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|             self.handler.get_version_info(self.local_user, "1"), SynapseError
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_get_missing_backup(self):
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|         """Check that we get a 404 on querying missing backup"""
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|         e = self.get_failure(
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|             self.handler.get_room_keys(self.local_user, "bogus_version"), SynapseError
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_get_missing_room_keys(self):
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|         """Check we get an empty response from an empty backup"""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         res = self.get_success(self.handler.get_room_keys(self.local_user, version))
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|         self.assertDictEqual(res, {"rooms": {}})
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| 
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|     # TODO: test the locking semantics when uploading room_keys,
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|     # although this is probably best done in sytest
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| 
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|     def test_upload_room_keys_no_versions(self):
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|         """Check that we get a 404 on uploading keys when no versions are defined"""
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|         e = self.get_failure(
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|             self.handler.upload_room_keys(self.local_user, "no_version", room_keys),
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|             SynapseError,
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_upload_room_keys_bogus_version(self):
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|         """Check that we get a 404 on uploading keys when an nonexistent version
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|         is specified
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|         """
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         e = self.get_failure(
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|             self.handler.upload_room_keys(self.local_user, "bogus_version", room_keys),
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|             SynapseError,
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 404)
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| 
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|     def test_upload_room_keys_wrong_version(self):
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|         """Check that we get a 403 on uploading keys for an old version"""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "second_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "2")
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| 
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|         e = self.get_failure(
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|             self.handler.upload_room_keys(self.local_user, "1", room_keys), SynapseError
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|         )
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|         res = e.value.code
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|         self.assertEqual(res, 403)
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| 
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|     def test_upload_room_keys_insert(self):
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|         """Check that we can insert and retrieve keys for a session"""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         self.get_success(
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|             self.handler.upload_room_keys(self.local_user, version, room_keys)
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|         )
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| 
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|         res = self.get_success(self.handler.get_room_keys(self.local_user, version))
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|         self.assertDictEqual(res, room_keys)
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| 
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|         # check getting room_keys for a given room
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|         res = self.get_success(
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|             self.handler.get_room_keys(
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|                 self.local_user, version, room_id="!abc:matrix.org"
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|             )
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|         )
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|         self.assertDictEqual(res, room_keys)
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| 
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|         # check getting room_keys for a given session_id
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|         res = self.get_success(
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|             self.handler.get_room_keys(
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|                 self.local_user, version, room_id="!abc:matrix.org", session_id="c0ff33"
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|             )
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|         )
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|         self.assertDictEqual(res, room_keys)
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| 
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|     def test_upload_room_keys_merge(self):
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|         """Check that we can upload a new room_key for an existing session and
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|         have it correctly merged"""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
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|                 {
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|                     "algorithm": "m.megolm_backup.v1",
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|                     "auth_data": "first_version_auth_data",
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|                 },
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|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
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|         self.get_success(
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|             self.handler.upload_room_keys(self.local_user, version, room_keys)
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|         )
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| 
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|         # get the etag to compare to future versions
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         backup_etag = res["etag"]
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|         self.assertEqual(res["count"], 1)
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| 
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|         new_room_keys = copy.deepcopy(room_keys)
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|         new_room_key = new_room_keys["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]
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| 
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|         # test that increasing the message_index doesn't replace the existing session
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|         new_room_key["first_message_index"] = 2
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|         new_room_key["session_data"] = "new"
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|         self.get_success(
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|             self.handler.upload_room_keys(self.local_user, version, new_room_keys)
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|         )
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| 
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|         res = self.get_success(self.handler.get_room_keys(self.local_user, version))
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|         self.assertEqual(
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|             res["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"],
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|             "SSBBTSBBIEZJU0gK",
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|         )
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| 
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|         # the etag should be the same since the session did not change
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         self.assertEqual(res["etag"], backup_etag)
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| 
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|         # test that marking the session as verified however /does/ replace it
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|         new_room_key["is_verified"] = True
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|         self.get_success(
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|             self.handler.upload_room_keys(self.local_user, version, new_room_keys)
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|         )
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| 
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|         res = self.get_success(self.handler.get_room_keys(self.local_user, version))
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|         self.assertEqual(
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|             res["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"], "new"
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|         )
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| 
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|         # the etag should NOT be equal now, since the key changed
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         self.assertNotEqual(res["etag"], backup_etag)
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|         backup_etag = res["etag"]
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| 
 | |
|         # test that a session with a higher forwarded_count doesn't replace one
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|         # with a lower forwarding count
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|         new_room_key["forwarded_count"] = 2
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|         new_room_key["session_data"] = "other"
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|         self.get_success(
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|             self.handler.upload_room_keys(self.local_user, version, new_room_keys)
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|         )
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| 
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|         res = self.get_success(self.handler.get_room_keys(self.local_user, version))
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|         self.assertEqual(
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|             res["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"], "new"
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|         )
 | |
| 
 | |
|         # the etag should be the same since the session did not change
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|         res = self.get_success(self.handler.get_version_info(self.local_user))
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|         self.assertEqual(res["etag"], backup_etag)
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| 
 | |
|         # TODO: check edge cases as well as the common variations here
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| 
 | |
|     def test_delete_room_keys(self):
 | |
|         """Check that we can insert and delete keys for a session"""
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|         version = self.get_success(
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|             self.handler.create_version(
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|                 self.local_user,
 | |
|                 {
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|                     "algorithm": "m.megolm_backup.v1",
 | |
|                     "auth_data": "first_version_auth_data",
 | |
|                 },
 | |
|             )
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|         )
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|         self.assertEqual(version, "1")
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| 
 | |
|         # check for bulk-delete
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|         self.get_success(
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|             self.handler.upload_room_keys(self.local_user, version, room_keys)
 | |
|         )
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|         self.get_success(self.handler.delete_room_keys(self.local_user, version))
 | |
|         res = self.get_success(
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|             self.handler.get_room_keys(
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|                 self.local_user, version, room_id="!abc:matrix.org", session_id="c0ff33"
 | |
|             )
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|         )
 | |
|         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": {}})
 |