diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/device.py | 89 |
1 files changed, 54 insertions, 35 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index e883ed1e37..debb1b4f29 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -15,7 +15,7 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging -from typing import Any, Dict, List, Optional, Tuple +from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Set, Tuple from synapse.api import errors from synapse.api.constants import EventTypes @@ -29,8 +29,10 @@ from synapse.api.errors import ( from synapse.logging.opentracing import log_kv, set_tag, trace from synapse.metrics.background_process_metrics import run_as_background_process from synapse.types import ( + Collection, JsonDict, StreamToken, + UserID, get_domain_from_id, get_verify_key_from_cross_signing_key, ) @@ -42,13 +44,16 @@ from synapse.util.retryutils import NotRetryingDestination from ._base import BaseHandler +if TYPE_CHECKING: + from synapse.app.homeserver import HomeServer + logger = logging.getLogger(__name__) MAX_DEVICE_DISPLAY_NAME_LEN = 100 class DeviceWorkerHandler(BaseHandler): - def __init__(self, hs): + def __init__(self, hs: "HomeServer"): super().__init__(hs) self.hs = hs @@ -106,7 +111,9 @@ class DeviceWorkerHandler(BaseHandler): @trace @measure_func("device.get_user_ids_changed") - async def get_user_ids_changed(self, user_id: str, from_token: StreamToken): + async def get_user_ids_changed( + self, user_id: str, from_token: StreamToken + ) -> JsonDict: """Get list of users that have had the devices updated, or have newly joined a room, that `user_id` may be interested in. """ @@ -222,8 +229,8 @@ class DeviceWorkerHandler(BaseHandler): possibly_joined = possibly_changed & users_who_share_room possibly_left = (possibly_changed | possibly_left) - users_who_share_room else: - possibly_joined = [] - possibly_left = [] + possibly_joined = set() + possibly_left = set() result = {"changed": list(possibly_joined), "left": list(possibly_left)} @@ -231,7 +238,7 @@ class DeviceWorkerHandler(BaseHandler): return result - async def on_federation_query_user_devices(self, user_id): + async def on_federation_query_user_devices(self, user_id: str) -> JsonDict: stream_id, devices = await self.store.get_e2e_device_keys_for_federation_query( user_id ) @@ -250,7 +257,7 @@ class DeviceWorkerHandler(BaseHandler): class DeviceHandler(DeviceWorkerHandler): - def __init__(self, hs): + def __init__(self, hs: "HomeServer"): super().__init__(hs) self.federation_sender = hs.get_federation_sender() @@ -265,7 +272,7 @@ class DeviceHandler(DeviceWorkerHandler): hs.get_distributor().observe("user_left_room", self.user_left_room) - def _check_device_name_length(self, name: str): + def _check_device_name_length(self, name: Optional[str]): """ Checks whether a device name is longer than the maximum allowed length. @@ -284,8 +291,11 @@ class DeviceHandler(DeviceWorkerHandler): ) async def check_device_registered( - self, user_id, device_id, initial_device_display_name=None - ): + self, + user_id: str, + device_id: Optional[str], + initial_device_display_name: Optional[str] = None, + ) -> str: """ If the given device has not been registered, register it with the supplied display name. @@ -293,12 +303,11 @@ class DeviceHandler(DeviceWorkerHandler): If no device_id is supplied, we make one up. Args: - user_id (str): @user:id - device_id (str | None): device id supplied by client - initial_device_display_name (str | None): device display name from - client + user_id: @user:id + device_id: device id supplied by client + initial_device_display_name: device display name from client Returns: - str: device id (generated if none was supplied) + device id (generated if none was supplied) """ self._check_device_name_length(initial_device_display_name) @@ -317,15 +326,15 @@ class DeviceHandler(DeviceWorkerHandler): # times in case of a clash. attempts = 0 while attempts < 5: - device_id = stringutils.random_string(10).upper() + new_device_id = stringutils.random_string(10).upper() new_device = await self.store.store_device( user_id=user_id, - device_id=device_id, + device_id=new_device_id, initial_device_display_name=initial_device_display_name, ) if new_device: - await self.notify_device_update(user_id, [device_id]) - return device_id + await self.notify_device_update(user_id, [new_device_id]) + return new_device_id attempts += 1 raise errors.StoreError(500, "Couldn't generate a device ID.") @@ -434,7 +443,9 @@ class DeviceHandler(DeviceWorkerHandler): @trace @measure_func("notify_device_update") - async def notify_device_update(self, user_id, device_ids): + async def notify_device_update( + self, user_id: str, device_ids: Collection[str] + ) -> None: """Notify that a user's device(s) has changed. Pokes the notifier, and remote servers if the user is local. """ @@ -446,7 +457,7 @@ class DeviceHandler(DeviceWorkerHandler): user_id ) - hosts = set() + hosts = set() # type: Set[str] if self.hs.is_mine_id(user_id): hosts.update(get_domain_from_id(u) for u in users_who_share_room) hosts.discard(self.server_name) @@ -498,7 +509,7 @@ class DeviceHandler(DeviceWorkerHandler): self.notifier.on_new_event("device_list_key", position, users=[from_user_id]) - async def user_left_room(self, user, room_id): + async def user_left_room(self, user: UserID, room_id: str) -> None: user_id = user.to_string() room_ids = await self.store.get_rooms_for_user(user_id) if not room_ids: @@ -586,7 +597,9 @@ class DeviceHandler(DeviceWorkerHandler): return {"success": True} -def _update_device_from_client_ips(device, client_ips): +def _update_device_from_client_ips( + device: Dict[str, Any], client_ips: Dict[Tuple[str, str], Dict[str, Any]] +) -> None: ip = client_ips.get((device["user_id"], device["device_id"]), {}) device.update({"last_seen_ts": ip.get("last_seen"), "last_seen_ip": ip.get("ip")}) @@ -594,7 +607,7 @@ def _update_device_from_client_ips(device, client_ips): class DeviceListUpdater: "Handles incoming device list updates from federation and updates the DB" - def __init__(self, hs, device_handler): + def __init__(self, hs: "HomeServer", device_handler: DeviceHandler): self.store = hs.get_datastore() self.federation = hs.get_federation_client() self.clock = hs.get_clock() @@ -603,7 +616,9 @@ class DeviceListUpdater: self._remote_edu_linearizer = Linearizer(name="remote_device_list") # user_id -> list of updates waiting to be handled. - self._pending_updates = {} + self._pending_updates = ( + {} + ) # type: Dict[str, List[Tuple[str, str, Iterable[str], JsonDict]]] # Recently seen stream ids. We don't bother keeping these in the DB, # but they're useful to have them about to reduce the number of spurious @@ -626,7 +641,9 @@ class DeviceListUpdater: ) @trace - async def incoming_device_list_update(self, origin, edu_content): + async def incoming_device_list_update( + self, origin: str, edu_content: JsonDict + ) -> None: """Called on incoming device list update from federation. Responsible for parsing the EDU and adding to pending updates list. """ @@ -687,7 +704,7 @@ class DeviceListUpdater: await self._handle_device_updates(user_id) @measure_func("_incoming_device_list_update") - async def _handle_device_updates(self, user_id): + async def _handle_device_updates(self, user_id: str) -> None: "Actually handle pending updates." with (await self._remote_edu_linearizer.queue(user_id)): @@ -735,7 +752,9 @@ class DeviceListUpdater: stream_id for _, stream_id, _, _ in pending_updates ) - async def _need_to_do_resync(self, user_id, updates): + async def _need_to_do_resync( + self, user_id: str, updates: Iterable[Tuple[str, str, Iterable[str], JsonDict]] + ) -> bool: """Given a list of updates for a user figure out if we need to do a full resync, or whether we have enough data that we can just apply the delta. """ @@ -766,7 +785,7 @@ class DeviceListUpdater: return False @trace - async def _maybe_retry_device_resync(self): + async def _maybe_retry_device_resync(self) -> None: """Retry to resync device lists that are out of sync, except if another retry is in progress. """ @@ -809,7 +828,7 @@ class DeviceListUpdater: async def user_device_resync( self, user_id: str, mark_failed_as_stale: bool = True - ) -> Optional[dict]: + ) -> Optional[JsonDict]: """Fetches all devices for a user and updates the device cache with them. Args: @@ -833,7 +852,7 @@ class DeviceListUpdater: # it later. await self.store.mark_remote_user_device_cache_as_stale(user_id) - return + return None except (RequestSendFailed, HttpResponseException) as e: logger.warning( "Failed to handle device list update for %s: %s", user_id, e, @@ -850,12 +869,12 @@ class DeviceListUpdater: # next time we get a device list update for this user_id. # This makes it more likely that the device lists will # eventually become consistent. - return + return None except FederationDeniedError as e: set_tag("error", True) log_kv({"reason": "FederationDeniedError"}) logger.info(e) - return + return None except Exception as e: set_tag("error", True) log_kv( @@ -868,7 +887,7 @@ class DeviceListUpdater: # it later. await self.store.mark_remote_user_device_cache_as_stale(user_id) - return + return None log_kv({"result": result}) stream_id = result["stream_id"] devices = result["devices"] @@ -929,7 +948,7 @@ class DeviceListUpdater: user_id: str, master_key: Optional[Dict[str, Any]], self_signing_key: Optional[Dict[str, Any]], - ) -> list: + ) -> List[str]: """Process the given new master and self-signing key for the given remote user. Args: |