diff options
Diffstat (limited to 'synapse/handlers')
-rw-r--r-- | synapse/handlers/appservice.py | 118 | ||||
-rw-r--r-- | synapse/handlers/message.py | 30 | ||||
-rw-r--r-- | synapse/handlers/receipts.py | 35 | ||||
-rw-r--r-- | synapse/handlers/room.py | 1 | ||||
-rw-r--r-- | synapse/handlers/room_member.py | 59 | ||||
-rw-r--r-- | synapse/handlers/sync.py | 1 | ||||
-rw-r--r-- | synapse/handlers/typing.py | 31 |
7 files changed, 213 insertions, 62 deletions
diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py index 9d4e87dad6..07240d3a14 100644 --- a/synapse/handlers/appservice.py +++ b/synapse/handlers/appservice.py @@ -14,6 +14,7 @@ # limitations under the License. import logging +from typing import Dict, List, Optional from prometheus_client import Counter @@ -21,12 +22,16 @@ from twisted.internet import defer import synapse from synapse.api.constants import EventTypes +from synapse.appservice import ApplicationService +from synapse.events import EventBase +from synapse.handlers.presence import format_user_presence_state from synapse.logging.context import make_deferred_yieldable, run_in_background from synapse.metrics import ( event_processing_loop_counter, event_processing_loop_room_count, ) from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.types import Collection, JsonDict, RoomStreamToken, UserID from synapse.util.metrics import Measure logger = logging.getLogger(__name__) @@ -43,19 +48,22 @@ class ApplicationServicesHandler: self.started_scheduler = False self.clock = hs.get_clock() self.notify_appservices = hs.config.notify_appservices + self.event_sources = hs.get_event_sources() self.current_max = 0 self.is_processing = False - async def notify_interested_services(self, current_id): + async def notify_interested_services(self, max_token: RoomStreamToken): """Notifies (pushes) all application services interested in this event. Pushing is done asynchronously, so this method won't block for any prolonged length of time. - - Args: - current_id(int): The current maximum ID. """ + # We just use the minimum stream ordering and ignore the vector clock + # component. This is safe to do as long as we *always* ignore the vector + # clock components. + current_id = max_token.stream + services = self.store.get_app_services() if not services or not self.notify_appservices: return @@ -79,7 +87,7 @@ class ApplicationServicesHandler: if not events: break - events_by_room = {} + events_by_room = {} # type: Dict[str, List[EventBase]] for event in events: events_by_room.setdefault(event.room_id, []).append(event) @@ -158,6 +166,104 @@ class ApplicationServicesHandler: finally: self.is_processing = False + async def notify_interested_services_ephemeral( + self, stream_key: str, new_token: Optional[int], users: Collection[UserID] = [], + ): + """This is called by the notifier in the background + when a ephemeral event handled by the homeserver. + + This will determine which appservices + are interested in the event, and submit them. + + Events will only be pushed to appservices + that have opted into ephemeral events + + Args: + stream_key: The stream the event came from. + new_token: The latest stream token + users: The user(s) involved with the event. + """ + services = [ + service + for service in self.store.get_app_services() + if service.supports_ephemeral + ] + if not services or not self.notify_appservices: + return + logger.info("Checking interested services for %s" % (stream_key)) + with Measure(self.clock, "notify_interested_services_ephemeral"): + for service in services: + # Only handle typing if we have the latest token + if stream_key == "typing_key" and new_token is not None: + events = await self._handle_typing(service, new_token) + if events: + self.scheduler.submit_ephemeral_events_for_as(service, events) + # We don't persist the token for typing_key for performance reasons + elif stream_key == "receipt_key": + events = await self._handle_receipts(service) + if events: + self.scheduler.submit_ephemeral_events_for_as(service, events) + await self.store.set_type_stream_id_for_appservice( + service, "read_receipt", new_token + ) + elif stream_key == "presence_key": + events = await self._handle_presence(service, users) + if events: + self.scheduler.submit_ephemeral_events_for_as(service, events) + await self.store.set_type_stream_id_for_appservice( + service, "presence", new_token + ) + + async def _handle_typing(self, service: ApplicationService, new_token: int): + typing_source = self.event_sources.sources["typing"] + # Get the typing events from just before current + typing, _ = await typing_source.get_new_events_as( + service=service, + # For performance reasons, we don't persist the previous + # token in the DB and instead fetch the latest typing information + # for appservices. + from_key=new_token - 1, + ) + return typing + + async def _handle_receipts(self, service: ApplicationService): + from_key = await self.store.get_type_stream_id_for_appservice( + service, "read_receipt" + ) + receipts_source = self.event_sources.sources["receipt"] + receipts, _ = await receipts_source.get_new_events_as( + service=service, from_key=from_key + ) + return receipts + + async def _handle_presence( + self, service: ApplicationService, users: Collection[UserID] + ): + events = [] # type: List[JsonDict] + presence_source = self.event_sources.sources["presence"] + from_key = await self.store.get_type_stream_id_for_appservice( + service, "presence" + ) + for user in users: + interested = await service.is_interested_in_presence(user, self.store) + if not interested: + continue + presence_events, _ = await presence_source.get_new_events( + user=user, service=service, from_key=from_key, + ) + time_now = self.clock.time_msec() + presence_events = [ + { + "type": "m.presence", + "sender": event.user_id, + "content": format_user_presence_state( + event, time_now, include_user_id=False + ), + } + for event in presence_events + ] + events = events + presence_events + async def query_user_exists(self, user_id): """Check if any application service knows this user_id exists. @@ -220,7 +326,7 @@ class ApplicationServicesHandler: async def get_3pe_protocols(self, only_protocol=None): services = self.store.get_app_services() - protocols = {} + protocols = {} # type: Dict[str, List[JsonDict]] # Collect up all the individual protocol responses out of the ASes for s in services: diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 0c6aec347e..7f00805a91 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -437,9 +437,9 @@ class EventCreationHandler: self, requester: Requester, event_dict: dict, - token_id: Optional[str] = None, txn_id: Optional[str] = None, prev_event_ids: Optional[List[str]] = None, + auth_event_ids: Optional[List[str]] = None, require_consent: bool = True, ) -> Tuple[EventBase, EventContext]: """ @@ -453,13 +453,18 @@ class EventCreationHandler: Args: requester event_dict: An entire event - token_id txn_id prev_event_ids: the forward extremities to use as the prev_events for the new event. If None, they will be requested from the database. + + auth_event_ids: + The event ids to use as the auth_events for the new event. + Should normally be left as None, which will cause them to be calculated + based on the room state at the prev_events. + require_consent: Whether to check if the requester has consented to the privacy policy. Raises: @@ -511,14 +516,17 @@ class EventCreationHandler: if require_consent and not is_exempt: await self.assert_accepted_privacy_policy(requester) - if token_id is not None: - builder.internal_metadata.token_id = token_id + if requester.access_token_id is not None: + builder.internal_metadata.token_id = requester.access_token_id if txn_id is not None: builder.internal_metadata.txn_id = txn_id event, context = await self.create_new_client_event( - builder=builder, requester=requester, prev_event_ids=prev_event_ids, + builder=builder, + requester=requester, + prev_event_ids=prev_event_ids, + auth_event_ids=auth_event_ids, ) # In an ideal world we wouldn't need the second part of this condition. However, @@ -726,7 +734,7 @@ class EventCreationHandler: return event, event.internal_metadata.stream_ordering event, context = await self.create_event( - requester, event_dict, token_id=requester.access_token_id, txn_id=txn_id + requester, event_dict, txn_id=txn_id ) assert self.hs.is_mine_id(event.sender), "User must be our own: %s" % ( @@ -757,6 +765,7 @@ class EventCreationHandler: builder: EventBuilder, requester: Optional[Requester] = None, prev_event_ids: Optional[List[str]] = None, + auth_event_ids: Optional[List[str]] = None, ) -> Tuple[EventBase, EventContext]: """Create a new event for a local client @@ -769,6 +778,11 @@ class EventCreationHandler: If None, they will be requested from the database. + auth_event_ids: + The event ids to use as the auth_events for the new event. + Should normally be left as None, which will cause them to be calculated + based on the room state at the prev_events. + Returns: Tuple of created event, context """ @@ -790,7 +804,9 @@ class EventCreationHandler: builder.type == EventTypes.Create or len(prev_event_ids) > 0 ), "Attempting to create an event with no prev_events" - event = await builder.build(prev_event_ids=prev_event_ids) + event = await builder.build( + prev_event_ids=prev_event_ids, auth_event_ids=auth_event_ids + ) context = await self.state.compute_event_context(event) if requester: context.app_service = requester.app_service diff --git a/synapse/handlers/receipts.py b/synapse/handlers/receipts.py index 7225923757..c242c409cf 100644 --- a/synapse/handlers/receipts.py +++ b/synapse/handlers/receipts.py @@ -13,9 +13,11 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging +from typing import List, Tuple +from synapse.appservice import ApplicationService from synapse.handlers._base import BaseHandler -from synapse.types import ReadReceipt, get_domain_from_id +from synapse.types import JsonDict, ReadReceipt, get_domain_from_id from synapse.util.async_helpers import maybe_awaitable logger = logging.getLogger(__name__) @@ -140,5 +142,36 @@ class ReceiptEventSource: return (events, to_key) + async def get_new_events_as( + self, from_key: int, service: ApplicationService + ) -> Tuple[List[JsonDict], int]: + """Returns a set of new receipt events that an appservice + may be interested in. + + Args: + from_key: the stream position at which events should be fetched from + service: The appservice which may be interested + """ + from_key = int(from_key) + to_key = self.get_current_key() + + if from_key == to_key: + return [], to_key + + # We first need to fetch all new receipts + rooms_to_events = await self.store.get_linearized_receipts_for_all_rooms( + from_key=from_key, to_key=to_key + ) + + # Then filter down to rooms that the AS can read + events = [] + for room_id, event in rooms_to_events.items(): + if not await service.matches_user_in_member_list(room_id, self.store): + continue + + events.append(event) + + return (events, to_key) + def get_current_key(self, direction="f"): return self.store.get_max_receipt_stream_id() diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 93ed51063a..ec300d8877 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -214,7 +214,6 @@ class RoomCreationHandler(BaseHandler): "replacement_room": new_room_id, }, }, - token_id=requester.access_token_id, ) old_room_version = await self.store.get_room_version_id(old_room_id) await self.auth.check_from_context( diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 0080eeaf8d..ec784030e9 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -17,12 +17,10 @@ import abc import logging import random from http import HTTPStatus -from typing import TYPE_CHECKING, Iterable, List, Optional, Tuple, Union - -from unpaddedbase64 import encode_base64 +from typing import TYPE_CHECKING, Iterable, List, Optional, Tuple from synapse import types -from synapse.api.constants import MAX_DEPTH, AccountDataTypes, EventTypes, Membership +from synapse.api.constants import AccountDataTypes, EventTypes, Membership from synapse.api.errors import ( AuthError, Codes, @@ -31,12 +29,8 @@ from synapse.api.errors import ( SynapseError, ) from synapse.api.ratelimiting import Ratelimiter -from synapse.api.room_versions import EventFormatVersions -from synapse.crypto.event_signing import compute_event_reference_hash from synapse.events import EventBase -from synapse.events.builder import create_local_event_from_event_dict from synapse.events.snapshot import EventContext -from synapse.events.validator import EventValidator from synapse.storage.roommember import RoomsForUser from synapse.types import JsonDict, Requester, RoomAlias, RoomID, StateMap, UserID from synapse.util.async_helpers import Linearizer @@ -193,7 +187,6 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): # For backwards compatibility: "membership": membership, }, - token_id=requester.access_token_id, txn_id=txn_id, prev_event_ids=prev_event_ids, require_consent=require_consent, @@ -1133,31 +1126,10 @@ class RoomMemberMasterHandler(RoomMemberHandler): room_id = invite_event.room_id target_user = invite_event.state_key - room_version = await self.store.get_room_version(room_id) content["membership"] = Membership.LEAVE - # the auth events for the new event are the same as that of the invite, plus - # the invite itself. - # - # the prev_events are just the invite. - invite_hash = invite_event.event_id # type: Union[str, Tuple] - if room_version.event_format == EventFormatVersions.V1: - alg, h = compute_event_reference_hash(invite_event) - invite_hash = (invite_event.event_id, {alg: encode_base64(h)}) - - auth_events = tuple(invite_event.auth_events) + (invite_hash,) - prev_events = (invite_hash,) - - # we cap depth of generated events, to ensure that they are not - # rejected by other servers (and so that they can be persisted in - # the db) - depth = min(invite_event.depth + 1, MAX_DEPTH) - event_dict = { - "depth": depth, - "auth_events": auth_events, - "prev_events": prev_events, "type": EventTypes.Member, "room_id": room_id, "sender": target_user, @@ -1165,24 +1137,23 @@ class RoomMemberMasterHandler(RoomMemberHandler): "state_key": target_user, } - event = create_local_event_from_event_dict( - clock=self.clock, - hostname=self.hs.hostname, - signing_key=self.hs.signing_key, - room_version=room_version, - event_dict=event_dict, + # the auth events for the new event are the same as that of the invite, plus + # the invite itself. + # + # the prev_events are just the invite. + prev_event_ids = [invite_event.event_id] + auth_event_ids = invite_event.auth_event_ids() + prev_event_ids + + event, context = await self.event_creation_handler.create_event( + requester, + event_dict, + txn_id=txn_id, + prev_event_ids=prev_event_ids, + auth_event_ids=auth_event_ids, ) event.internal_metadata.outlier = True event.internal_metadata.out_of_band_membership = True - if txn_id is not None: - event.internal_metadata.txn_id = txn_id - if requester.access_token_id is not None: - event.internal_metadata.token_id = requester.access_token_id - - EventValidator().validate_new(event, self.config) - context = await self.state_handler.compute_event_context(event) - context.app_service = requester.app_service result_event = await self.event_creation_handler.handle_new_client_event( requester, event, context, extra_users=[UserID.from_string(target_user)], ) diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index a306631094..b527724bc4 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -13,7 +13,6 @@ # 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. - import itertools import logging from typing import TYPE_CHECKING, Any, Dict, FrozenSet, List, Optional, Set, Tuple diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py index 3cbfc2d780..d3692842e3 100644 --- a/synapse/handlers/typing.py +++ b/synapse/handlers/typing.py @@ -12,16 +12,16 @@ # 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. - import logging import random from collections import namedtuple from typing import TYPE_CHECKING, List, Set, Tuple from synapse.api.errors import AuthError, ShadowBanError, SynapseError +from synapse.appservice import ApplicationService from synapse.metrics.background_process_metrics import run_as_background_process from synapse.replication.tcp.streams import TypingStream -from synapse.types import UserID, get_domain_from_id +from synapse.types import JsonDict, UserID, get_domain_from_id from synapse.util.caches.stream_change_cache import StreamChangeCache from synapse.util.metrics import Measure from synapse.util.wheel_timer import WheelTimer @@ -430,6 +430,33 @@ class TypingNotificationEventSource: "content": {"user_ids": list(typing)}, } + async def get_new_events_as( + self, from_key: int, service: ApplicationService + ) -> Tuple[List[JsonDict], int]: + """Returns a set of new typing events that an appservice + may be interested in. + + Args: + from_key: the stream position at which events should be fetched from + service: The appservice which may be interested + """ + with Measure(self.clock, "typing.get_new_events_as"): + from_key = int(from_key) + handler = self.get_typing_handler() + + events = [] + for room_id in handler._room_serials.keys(): + if handler._room_serials[room_id] <= from_key: + continue + if not await service.matches_user_in_member_list( + room_id, handler.store + ): + continue + + events.append(self._make_event_for(room_id)) + + return (events, handler._latest_room_serial) + async def get_new_events(self, from_key, room_ids, **kwargs): with Measure(self.clock, "typing.get_new_events"): from_key = int(from_key) |