diff options
Diffstat (limited to 'synapse/handlers/message.py')
| -rw-r--r-- | synapse/handlers/message.py | 381 |
1 files changed, 3 insertions, 378 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 178209a209..30ea9630f7 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -21,14 +21,11 @@ from synapse.crypto.event_signing import add_hashes_and_signatures from synapse.events.utils import serialize_event from synapse.events.validator import EventValidator from synapse.push.action_generator import ActionGenerator -from synapse.streams.config import PaginationConfig from synapse.types import ( - UserID, RoomAlias, RoomStreamToken, StreamToken, get_domain_from_id + UserID, RoomAlias, RoomStreamToken, get_domain_from_id ) -from synapse.util import unwrapFirstError -from synapse.util.async import concurrently_execute, run_on_reactor, ReadWriteLock -from synapse.util.caches.snapshot_cache import SnapshotCache -from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred +from synapse.util.async import run_on_reactor, ReadWriteLock +from synapse.util.logcontext import preserve_fn from synapse.util.metrics import measure_func from synapse.visibility import filter_events_for_client @@ -49,7 +46,6 @@ class MessageHandler(BaseHandler): self.state = hs.get_state_handler() self.clock = hs.get_clock() self.validator = EventValidator() - self.snapshot_cache = SnapshotCache() self.pagination_lock = ReadWriteLock() @@ -392,377 +388,6 @@ class MessageHandler(BaseHandler): [serialize_event(c, now) for c in room_state.values()] ) - def snapshot_all_rooms(self, user_id=None, pagin_config=None, - as_client_event=True, include_archived=False): - """Retrieve a snapshot of all rooms the user is invited or has joined. - - This snapshot may include messages for all rooms where the user is - joined, depending on the pagination config. - - Args: - user_id (str): The ID of the user making the request. - pagin_config (synapse.api.streams.PaginationConfig): The pagination - config used to determine how many messages *PER ROOM* to return. - as_client_event (bool): True to get events in client-server format. - include_archived (bool): True to get rooms that the user has left - Returns: - A list of dicts with "room_id" and "membership" keys for all rooms - the user is currently invited or joined in on. Rooms where the user - is joined on, may return a "messages" key with messages, depending - on the specified PaginationConfig. - """ - key = ( - user_id, - pagin_config.from_token, - pagin_config.to_token, - pagin_config.direction, - pagin_config.limit, - as_client_event, - include_archived, - ) - now_ms = self.clock.time_msec() - result = self.snapshot_cache.get(now_ms, key) - if result is not None: - return result - - return self.snapshot_cache.set(now_ms, key, self._snapshot_all_rooms( - user_id, pagin_config, as_client_event, include_archived - )) - - @defer.inlineCallbacks - def _snapshot_all_rooms(self, user_id=None, pagin_config=None, - as_client_event=True, include_archived=False): - - memberships = [Membership.INVITE, Membership.JOIN] - if include_archived: - memberships.append(Membership.LEAVE) - - room_list = yield self.store.get_rooms_for_user_where_membership_is( - user_id=user_id, membership_list=memberships - ) - - user = UserID.from_string(user_id) - - rooms_ret = [] - - now_token = yield self.hs.get_event_sources().get_current_token() - - presence_stream = self.hs.get_event_sources().sources["presence"] - pagination_config = PaginationConfig(from_token=now_token) - presence, _ = yield presence_stream.get_pagination_rows( - user, pagination_config.get_source_config("presence"), None - ) - - receipt_stream = self.hs.get_event_sources().sources["receipt"] - receipt, _ = yield receipt_stream.get_pagination_rows( - user, pagination_config.get_source_config("receipt"), None - ) - - tags_by_room = yield self.store.get_tags_for_user(user_id) - - account_data, account_data_by_room = ( - yield self.store.get_account_data_for_user(user_id) - ) - - public_room_ids = yield self.store.get_public_room_ids() - - limit = pagin_config.limit - if limit is None: - limit = 10 - - @defer.inlineCallbacks - def handle_room(event): - d = { - "room_id": event.room_id, - "membership": event.membership, - "visibility": ( - "public" if event.room_id in public_room_ids - else "private" - ), - } - - if event.membership == Membership.INVITE: - time_now = self.clock.time_msec() - d["inviter"] = event.sender - - invite_event = yield self.store.get_event(event.event_id) - d["invite"] = serialize_event(invite_event, time_now, as_client_event) - - rooms_ret.append(d) - - if event.membership not in (Membership.JOIN, Membership.LEAVE): - return - - try: - if event.membership == Membership.JOIN: - room_end_token = now_token.room_key - deferred_room_state = self.state_handler.get_current_state( - event.room_id - ) - elif event.membership == Membership.LEAVE: - room_end_token = "s%d" % (event.stream_ordering,) - deferred_room_state = self.store.get_state_for_events( - [event.event_id], None - ) - deferred_room_state.addCallback( - lambda states: states[event.event_id] - ) - - (messages, token), current_state = yield preserve_context_over_deferred( - defer.gatherResults( - [ - preserve_fn(self.store.get_recent_events_for_room)( - event.room_id, - limit=limit, - end_token=room_end_token, - ), - deferred_room_state, - ] - ) - ).addErrback(unwrapFirstError) - - messages = yield filter_events_for_client( - self.store, user_id, messages - ) - - start_token = now_token.copy_and_replace("room_key", token[0]) - end_token = now_token.copy_and_replace("room_key", token[1]) - time_now = self.clock.time_msec() - - d["messages"] = { - "chunk": [ - serialize_event(m, time_now, as_client_event) - for m in messages - ], - "start": start_token.to_string(), - "end": end_token.to_string(), - } - - d["state"] = [ - serialize_event(c, time_now, as_client_event) - for c in current_state.values() - ] - - account_data_events = [] - tags = tags_by_room.get(event.room_id) - if tags: - account_data_events.append({ - "type": "m.tag", - "content": {"tags": tags}, - }) - - account_data = account_data_by_room.get(event.room_id, {}) - for account_data_type, content in account_data.items(): - account_data_events.append({ - "type": account_data_type, - "content": content, - }) - - d["account_data"] = account_data_events - except: - logger.exception("Failed to get snapshot") - - yield concurrently_execute(handle_room, room_list, 10) - - account_data_events = [] - for account_data_type, content in account_data.items(): - account_data_events.append({ - "type": account_data_type, - "content": content, - }) - - ret = { - "rooms": rooms_ret, - "presence": presence, - "account_data": account_data_events, - "receipts": receipt, - "end": now_token.to_string(), - } - - defer.returnValue(ret) - - @defer.inlineCallbacks - def room_initial_sync(self, requester, room_id, pagin_config=None): - """Capture the a snapshot of a room. If user is currently a member of - the room this will be what is currently in the room. If the user left - the room this will be what was in the room when they left. - - Args: - requester(Requester): The user to get a snapshot for. - room_id(str): The room to get a snapshot of. - pagin_config(synapse.streams.config.PaginationConfig): - The pagination config used to determine how many messages to - return. - Raises: - AuthError if the user wasn't in the room. - Returns: - A JSON serialisable dict with the snapshot of the room. - """ - - user_id = requester.user.to_string() - - membership, member_event_id = yield self._check_in_room_or_world_readable( - room_id, user_id, - ) - is_peeking = member_event_id is None - - if membership == Membership.JOIN: - result = yield self._room_initial_sync_joined( - user_id, room_id, pagin_config, membership, is_peeking - ) - elif membership == Membership.LEAVE: - result = yield self._room_initial_sync_parted( - user_id, room_id, pagin_config, membership, member_event_id, is_peeking - ) - - account_data_events = [] - tags = yield self.store.get_tags_for_room(user_id, room_id) - if tags: - account_data_events.append({ - "type": "m.tag", - "content": {"tags": tags}, - }) - - account_data = yield self.store.get_account_data_for_room(user_id, room_id) - for account_data_type, content in account_data.items(): - account_data_events.append({ - "type": account_data_type, - "content": content, - }) - - result["account_data"] = account_data_events - - defer.returnValue(result) - - @defer.inlineCallbacks - def _room_initial_sync_parted(self, user_id, room_id, pagin_config, - membership, member_event_id, is_peeking): - room_state = yield self.store.get_state_for_events( - [member_event_id], None - ) - - room_state = room_state[member_event_id] - - limit = pagin_config.limit if pagin_config else None - if limit is None: - limit = 10 - - stream_token = yield self.store.get_stream_token_for_event( - member_event_id - ) - - messages, token = yield self.store.get_recent_events_for_room( - room_id, - limit=limit, - end_token=stream_token - ) - - messages = yield filter_events_for_client( - self.store, user_id, messages, is_peeking=is_peeking - ) - - start_token = StreamToken.START.copy_and_replace("room_key", token[0]) - end_token = StreamToken.START.copy_and_replace("room_key", token[1]) - - time_now = self.clock.time_msec() - - defer.returnValue({ - "membership": membership, - "room_id": room_id, - "messages": { - "chunk": [serialize_event(m, time_now) for m in messages], - "start": start_token.to_string(), - "end": end_token.to_string(), - }, - "state": [serialize_event(s, time_now) for s in room_state.values()], - "presence": [], - "receipts": [], - }) - - @defer.inlineCallbacks - def _room_initial_sync_joined(self, user_id, room_id, pagin_config, - membership, is_peeking): - current_state = yield self.state.get_current_state( - room_id=room_id, - ) - - # TODO: These concurrently - time_now = self.clock.time_msec() - state = [ - serialize_event(x, time_now) - for x in current_state.values() - ] - - now_token = yield self.hs.get_event_sources().get_current_token() - - limit = pagin_config.limit if pagin_config else None - if limit is None: - limit = 10 - - room_members = [ - m for m in current_state.values() - if m.type == EventTypes.Member - and m.content["membership"] == Membership.JOIN - ] - - presence_handler = self.hs.get_presence_handler() - - @defer.inlineCallbacks - def get_presence(): - states = yield presence_handler.get_states( - [m.user_id for m in room_members], - as_event=True, - ) - - defer.returnValue(states) - - @defer.inlineCallbacks - def get_receipts(): - receipts_handler = self.hs.get_handlers().receipts_handler - receipts = yield receipts_handler.get_receipts_for_room( - room_id, - now_token.receipt_key - ) - defer.returnValue(receipts) - - presence, receipts, (messages, token) = yield defer.gatherResults( - [ - preserve_fn(get_presence)(), - preserve_fn(get_receipts)(), - preserve_fn(self.store.get_recent_events_for_room)( - room_id, - limit=limit, - end_token=now_token.room_key, - ) - ], - consumeErrors=True, - ).addErrback(unwrapFirstError) - - messages = yield filter_events_for_client( - self.store, user_id, messages, is_peeking=is_peeking, - ) - - start_token = now_token.copy_and_replace("room_key", token[0]) - end_token = now_token.copy_and_replace("room_key", token[1]) - - time_now = self.clock.time_msec() - - ret = { - "room_id": room_id, - "messages": { - "chunk": [serialize_event(m, time_now) for m in messages], - "start": start_token.to_string(), - "end": end_token.to_string(), - }, - "state": state, - "presence": presence, - "receipts": receipts, - } - if not is_peeking: - ret["membership"] = membership - - defer.returnValue(ret) - @measure_func("_create_new_client_event") @defer.inlineCallbacks def _create_new_client_event(self, builder, prev_event_ids=None): |