diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/api/constants.py | 8 | ||||
| -rw-r--r-- | synapse/handlers/sync.py | 4 | ||||
| -rw-r--r-- | synapse/storage/databases/main/end_to_end_keys.py | 9 |
3 files changed, 20 insertions, 1 deletions
diff --git a/synapse/api/constants.py b/synapse/api/constants.py index 8363c2bb0f..8c7ad2a407 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -127,6 +127,14 @@ class ToDeviceEventTypes: RoomKeyRequest = "m.room_key_request" +class DeviceKeyAlgorithms: + """Spec'd algorithms for the generation of per-device keys""" + + ED25519 = "ed25519" + CURVE25519 = "curve25519" + SIGNED_CURVE25519 = "signed_curve25519" + + class EduTypes: Presence = "m.presence" diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index 150a4f291e..f30bfcc93c 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -1093,6 +1093,10 @@ class SyncHandler: one_time_key_counts: JsonDict = {} unused_fallback_key_types: List[str] = [] if device_id: + # TODO: We should have a way to let clients differentiate between the states of: + # * no change in OTK count since the provided since token + # * the server has zero OTKs left for this device + # Spec issue: https://github.com/matrix-org/matrix-doc/issues/3298 one_time_key_counts = await self.store.count_e2e_one_time_keys( user_id, device_id ) diff --git a/synapse/storage/databases/main/end_to_end_keys.py b/synapse/storage/databases/main/end_to_end_keys.py index 78ae68ec68..1edc96042b 100644 --- a/synapse/storage/databases/main/end_to_end_keys.py +++ b/synapse/storage/databases/main/end_to_end_keys.py @@ -21,6 +21,7 @@ from canonicaljson import encode_canonical_json from twisted.enterprise.adbapi import Connection +from synapse.api.constants import DeviceKeyAlgorithms from synapse.logging.opentracing import log_kv, set_tag, trace from synapse.storage._base import SQLBaseStore, db_to_json from synapse.storage.database import DatabasePool, make_in_list_sql_clause @@ -381,9 +382,15 @@ class EndToEndKeyWorkerStore(EndToEndKeyBackgroundStore): " GROUP BY algorithm" ) txn.execute(sql, (user_id, device_id)) - result = {} + + # Initially set the key count to 0. This ensures that the client will always + # receive *some count*, even if it's 0. + result = {DeviceKeyAlgorithms.SIGNED_CURVE25519: 0} + + # Override entries with the count of any keys we pulled from the database for algorithm, key_count in txn: result[algorithm] = key_count + return result return await self.db_pool.runInteraction( |