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https://mau.dev/maunium/synapse.git
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1620578b13
Wait until we sign a message to get the signing key from the homeserver config. This means that the message handler can be created without having a signing key in the config which means that separate processes like the pusher that don't send messages and don't need to sign them can still access the handlers.
922 lines
32 KiB
Python
922 lines
32 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 - 2016 OpenMarket Ltd
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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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from twisted.internet import defer
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from synapse.api.constants import EventTypes, Membership
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from synapse.api.errors import AuthError, Codes, SynapseError
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from synapse.crypto.event_signing import add_hashes_and_signatures
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from synapse.events.utils import serialize_event
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from synapse.events.validator import EventValidator
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from synapse.push.action_generator import ActionGenerator
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from synapse.streams.config import PaginationConfig
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from synapse.types import (
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UserID, RoomAlias, RoomStreamToken, StreamToken, get_domian_from_id
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)
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from synapse.util import unwrapFirstError
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from synapse.util.async import concurrently_execute
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from synapse.util.caches.snapshot_cache import SnapshotCache
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from synapse.util.logcontext import PreserveLoggingContext, preserve_fn
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from ._base import BaseHandler
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from canonicaljson import encode_canonical_json
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import logging
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logger = logging.getLogger(__name__)
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class MessageHandler(BaseHandler):
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def __init__(self, hs):
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super(MessageHandler, self).__init__(hs)
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self.hs = hs
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self.state = hs.get_state_handler()
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self.clock = hs.get_clock()
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self.validator = EventValidator()
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self.snapshot_cache = SnapshotCache()
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@defer.inlineCallbacks
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def get_messages(self, requester, room_id=None, pagin_config=None,
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as_client_event=True):
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"""Get messages in a room.
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Args:
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requester (Requester): The user requesting messages.
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room_id (str): The room they want messages from.
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pagin_config (synapse.api.streams.PaginationConfig): The pagination
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config rules to apply, if any.
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as_client_event (bool): True to get events in client-server format.
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Returns:
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dict: Pagination API results
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"""
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user_id = requester.user.to_string()
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data_source = self.hs.get_event_sources().sources["room"]
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if pagin_config.from_token:
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room_token = pagin_config.from_token.room_key
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else:
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pagin_config.from_token = (
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yield self.hs.get_event_sources().get_current_token(
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direction='b'
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)
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)
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room_token = pagin_config.from_token.room_key
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room_token = RoomStreamToken.parse(room_token)
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pagin_config.from_token = pagin_config.from_token.copy_and_replace(
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"room_key", str(room_token)
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)
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source_config = pagin_config.get_source_config("room")
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membership, member_event_id = yield self._check_in_room_or_world_readable(
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room_id, user_id
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)
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if source_config.direction == 'b':
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# if we're going backwards, we might need to backfill. This
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# requires that we have a topo token.
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if room_token.topological:
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max_topo = room_token.topological
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else:
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max_topo = yield self.store.get_max_topological_token_for_stream_and_room(
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room_id, room_token.stream
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)
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if membership == Membership.LEAVE:
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# If they have left the room then clamp the token to be before
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# they left the room, to save the effort of loading from the
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# database.
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leave_token = yield self.store.get_topological_token_for_event(
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member_event_id
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)
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leave_token = RoomStreamToken.parse(leave_token)
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if leave_token.topological < max_topo:
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source_config.from_key = str(leave_token)
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yield self.hs.get_handlers().federation_handler.maybe_backfill(
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room_id, max_topo
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)
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events, next_key = yield data_source.get_pagination_rows(
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requester.user, source_config, room_id
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)
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next_token = pagin_config.from_token.copy_and_replace(
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"room_key", next_key
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)
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if not events:
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defer.returnValue({
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"chunk": [],
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"start": pagin_config.from_token.to_string(),
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"end": next_token.to_string(),
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})
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events = yield self.filter_events_for_client(
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user_id,
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events,
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is_peeking=(member_event_id is None),
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)
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time_now = self.clock.time_msec()
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chunk = {
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"chunk": [
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serialize_event(e, time_now, as_client_event)
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for e in events
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],
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"start": pagin_config.from_token.to_string(),
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"end": next_token.to_string(),
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}
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defer.returnValue(chunk)
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@defer.inlineCallbacks
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def create_event(self, event_dict, token_id=None, txn_id=None, prev_event_ids=None):
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"""
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Given a dict from a client, create a new event.
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Creates an FrozenEvent object, filling out auth_events, prev_events,
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etc.
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Adds display names to Join membership events.
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Args:
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event_dict (dict): An entire event
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token_id (str)
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txn_id (str)
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prev_event_ids (list): The prev event ids to use when creating the event
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Returns:
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Tuple of created event (FrozenEvent), Context
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"""
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builder = self.event_builder_factory.new(event_dict)
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self.validator.validate_new(builder)
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if builder.type == EventTypes.Member:
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membership = builder.content.get("membership", None)
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target = UserID.from_string(builder.state_key)
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if membership in {Membership.JOIN, Membership.INVITE}:
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# If event doesn't include a display name, add one.
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profile = self.hs.get_handlers().profile_handler
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content = builder.content
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try:
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content["displayname"] = yield profile.get_displayname(target)
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content["avatar_url"] = yield profile.get_avatar_url(target)
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except Exception as e:
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logger.info(
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"Failed to get profile information for %r: %s",
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target, e
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)
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if token_id is not None:
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builder.internal_metadata.token_id = token_id
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if txn_id is not None:
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builder.internal_metadata.txn_id = txn_id
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event, context = yield self._create_new_client_event(
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builder=builder,
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prev_event_ids=prev_event_ids,
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)
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defer.returnValue((event, context))
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@defer.inlineCallbacks
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def send_nonmember_event(self, requester, event, context, ratelimit=True):
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"""
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Persists and notifies local clients and federation of an event.
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Args:
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event (FrozenEvent) the event to send.
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context (Context) the context of the event.
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ratelimit (bool): Whether to rate limit this send.
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is_guest (bool): Whether the sender is a guest.
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"""
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if event.type == EventTypes.Member:
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raise SynapseError(
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500,
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"Tried to send member event through non-member codepath"
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)
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user = UserID.from_string(event.sender)
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assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
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if event.is_state():
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prev_state = self.deduplicate_state_event(event, context)
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if prev_state is not None:
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defer.returnValue(prev_state)
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yield self.handle_new_client_event(
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requester=requester,
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event=event,
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context=context,
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ratelimit=ratelimit,
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)
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if event.type == EventTypes.Message:
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presence = self.hs.get_handlers().presence_handler
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yield presence.bump_presence_active_time(user)
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def deduplicate_state_event(self, event, context):
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"""
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Checks whether event is in the latest resolved state in context.
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If so, returns the version of the event in context.
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Otherwise, returns None.
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"""
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prev_event = context.current_state.get((event.type, event.state_key))
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if prev_event and event.user_id == prev_event.user_id:
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prev_content = encode_canonical_json(prev_event.content)
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next_content = encode_canonical_json(event.content)
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if prev_content == next_content:
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return prev_event
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return None
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@defer.inlineCallbacks
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def create_and_send_nonmember_event(
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self,
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requester,
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event_dict,
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ratelimit=True,
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txn_id=None
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):
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"""
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Creates an event, then sends it.
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See self.create_event and self.send_nonmember_event.
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"""
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event, context = yield self.create_event(
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event_dict,
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token_id=requester.access_token_id,
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txn_id=txn_id
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)
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yield self.send_nonmember_event(
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requester,
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event,
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context,
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ratelimit=ratelimit,
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)
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defer.returnValue(event)
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@defer.inlineCallbacks
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def get_room_data(self, user_id=None, room_id=None,
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event_type=None, state_key="", is_guest=False):
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""" Get data from a room.
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Args:
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event : The room path event
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Returns:
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The path data content.
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Raises:
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SynapseError if something went wrong.
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"""
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membership, membership_event_id = yield self._check_in_room_or_world_readable(
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room_id, user_id
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)
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if membership == Membership.JOIN:
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data = yield self.state_handler.get_current_state(
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room_id, event_type, state_key
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)
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elif membership == Membership.LEAVE:
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key = (event_type, state_key)
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room_state = yield self.store.get_state_for_events(
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[membership_event_id], [key]
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)
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data = room_state[membership_event_id].get(key)
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defer.returnValue(data)
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@defer.inlineCallbacks
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def _check_in_room_or_world_readable(self, room_id, user_id):
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try:
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# check_user_was_in_room will return the most recent membership
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# event for the user if:
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# * The user is a non-guest user, and was ever in the room
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# * The user is a guest user, and has joined the room
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# else it will throw.
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member_event = yield self.auth.check_user_was_in_room(room_id, user_id)
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defer.returnValue((member_event.membership, member_event.event_id))
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return
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except AuthError:
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visibility = yield self.state_handler.get_current_state(
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room_id, EventTypes.RoomHistoryVisibility, ""
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)
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if (
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visibility and
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visibility.content["history_visibility"] == "world_readable"
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):
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defer.returnValue((Membership.JOIN, None))
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return
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raise AuthError(
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403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN
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)
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@defer.inlineCallbacks
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def get_state_events(self, user_id, room_id, is_guest=False):
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"""Retrieve all state events for a given room. If the user is
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joined to the room then return the current state. If the user has
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left the room return the state events from when they left.
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Args:
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user_id(str): The user requesting state events.
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room_id(str): The room ID to get all state events from.
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Returns:
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A list of dicts representing state events. [{}, {}, {}]
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"""
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membership, membership_event_id = yield self._check_in_room_or_world_readable(
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room_id, user_id
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)
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if membership == Membership.JOIN:
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room_state = yield self.state_handler.get_current_state(room_id)
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elif membership == Membership.LEAVE:
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room_state = yield self.store.get_state_for_events(
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[membership_event_id], None
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)
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room_state = room_state[membership_event_id]
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now = self.clock.time_msec()
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defer.returnValue(
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[serialize_event(c, now) for c in room_state.values()]
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)
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def snapshot_all_rooms(self, user_id=None, pagin_config=None,
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as_client_event=True, include_archived=False):
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"""Retrieve a snapshot of all rooms the user is invited or has joined.
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This snapshot may include messages for all rooms where the user is
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joined, depending on the pagination config.
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Args:
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user_id (str): The ID of the user making the request.
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pagin_config (synapse.api.streams.PaginationConfig): The pagination
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config used to determine how many messages *PER ROOM* to return.
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as_client_event (bool): True to get events in client-server format.
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include_archived (bool): True to get rooms that the user has left
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Returns:
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A list of dicts with "room_id" and "membership" keys for all rooms
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the user is currently invited or joined in on. Rooms where the user
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is joined on, may return a "messages" key with messages, depending
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on the specified PaginationConfig.
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"""
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key = (
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user_id,
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pagin_config.from_token,
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pagin_config.to_token,
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pagin_config.direction,
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pagin_config.limit,
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as_client_event,
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include_archived,
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)
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now_ms = self.clock.time_msec()
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result = self.snapshot_cache.get(now_ms, key)
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if result is not None:
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return result
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return self.snapshot_cache.set(now_ms, key, self._snapshot_all_rooms(
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user_id, pagin_config, as_client_event, include_archived
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))
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@defer.inlineCallbacks
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def _snapshot_all_rooms(self, user_id=None, pagin_config=None,
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as_client_event=True, include_archived=False):
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memberships = [Membership.INVITE, Membership.JOIN]
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if include_archived:
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memberships.append(Membership.LEAVE)
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room_list = yield self.store.get_rooms_for_user_where_membership_is(
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user_id=user_id, membership_list=memberships
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)
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user = UserID.from_string(user_id)
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rooms_ret = []
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now_token = yield self.hs.get_event_sources().get_current_token()
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presence_stream = self.hs.get_event_sources().sources["presence"]
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pagination_config = PaginationConfig(from_token=now_token)
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presence, _ = yield presence_stream.get_pagination_rows(
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user, pagination_config.get_source_config("presence"), None
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)
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receipt_stream = self.hs.get_event_sources().sources["receipt"]
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receipt, _ = yield receipt_stream.get_pagination_rows(
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user, pagination_config.get_source_config("receipt"), None
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)
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tags_by_room = yield self.store.get_tags_for_user(user_id)
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account_data, account_data_by_room = (
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yield self.store.get_account_data_for_user(user_id)
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)
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public_room_ids = yield self.store.get_public_room_ids()
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limit = pagin_config.limit
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if limit is None:
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limit = 10
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@defer.inlineCallbacks
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def handle_room(event):
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d = {
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"room_id": event.room_id,
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"membership": event.membership,
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"visibility": (
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"public" if event.room_id in public_room_ids
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else "private"
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),
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}
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if event.membership == Membership.INVITE:
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time_now = self.clock.time_msec()
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d["inviter"] = event.sender
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invite_event = yield self.store.get_event(event.event_id)
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d["invite"] = serialize_event(invite_event, time_now, as_client_event)
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rooms_ret.append(d)
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if event.membership not in (Membership.JOIN, Membership.LEAVE):
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return
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try:
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if event.membership == Membership.JOIN:
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room_end_token = now_token.room_key
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deferred_room_state = self.state_handler.get_current_state(
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event.room_id
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)
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elif event.membership == Membership.LEAVE:
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room_end_token = "s%d" % (event.stream_ordering,)
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deferred_room_state = self.store.get_state_for_events(
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[event.event_id], None
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)
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deferred_room_state.addCallback(
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lambda states: states[event.event_id]
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)
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(messages, token), current_state = yield defer.gatherResults(
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[
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self.store.get_recent_events_for_room(
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event.room_id,
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limit=limit,
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end_token=room_end_token,
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),
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deferred_room_state,
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]
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).addErrback(unwrapFirstError)
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|
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messages = yield self.filter_events_for_client(
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user_id, messages
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)
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|
|
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start_token = now_token.copy_and_replace("room_key", token[0])
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end_token = now_token.copy_and_replace("room_key", token[1])
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time_now = self.clock.time_msec()
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|
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d["messages"] = {
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"chunk": [
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serialize_event(m, time_now, as_client_event)
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for m in messages
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],
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"start": start_token.to_string(),
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"end": end_token.to_string(),
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}
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|
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d["state"] = [
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serialize_event(c, time_now, as_client_event)
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|
for c in current_state.values()
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|
]
|
|
|
|
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 self.filter_events_for_client(
|
|
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_handlers().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(
|
|
[
|
|
get_presence(),
|
|
get_receipts(),
|
|
self.store.get_recent_events_for_room(
|
|
room_id,
|
|
limit=limit,
|
|
end_token=now_token.room_key,
|
|
)
|
|
],
|
|
consumeErrors=True,
|
|
).addErrback(unwrapFirstError)
|
|
|
|
messages = yield self.filter_events_for_client(
|
|
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)
|
|
|
|
@defer.inlineCallbacks
|
|
def _create_new_client_event(self, builder, prev_event_ids=None):
|
|
if prev_event_ids:
|
|
prev_events = yield self.store.add_event_hashes(prev_event_ids)
|
|
prev_max_depth = yield self.store.get_max_depth_of_events(prev_event_ids)
|
|
depth = prev_max_depth + 1
|
|
else:
|
|
latest_ret = yield self.store.get_latest_event_ids_and_hashes_in_room(
|
|
builder.room_id,
|
|
)
|
|
|
|
if latest_ret:
|
|
depth = max([d for _, _, d in latest_ret]) + 1
|
|
else:
|
|
depth = 1
|
|
|
|
prev_events = [
|
|
(event_id, prev_hashes)
|
|
for event_id, prev_hashes, _ in latest_ret
|
|
]
|
|
|
|
builder.prev_events = prev_events
|
|
builder.depth = depth
|
|
|
|
state_handler = self.state_handler
|
|
|
|
context = yield state_handler.compute_event_context(builder)
|
|
|
|
if builder.is_state():
|
|
builder.prev_state = yield self.store.add_event_hashes(
|
|
context.prev_state_events
|
|
)
|
|
|
|
yield self.auth.add_auth_events(builder, context)
|
|
|
|
signing_key = self.hs.config.signing_key[0]
|
|
add_hashes_and_signatures(
|
|
builder, self.server_name, signing_key
|
|
)
|
|
|
|
event = builder.build()
|
|
|
|
logger.debug(
|
|
"Created event %s with current state: %s",
|
|
event.event_id, context.current_state,
|
|
)
|
|
|
|
defer.returnValue(
|
|
(event, context,)
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def handle_new_client_event(
|
|
self,
|
|
requester,
|
|
event,
|
|
context,
|
|
ratelimit=True,
|
|
extra_users=[]
|
|
):
|
|
# We now need to go and hit out to wherever we need to hit out to.
|
|
|
|
if ratelimit:
|
|
self.ratelimit(requester)
|
|
|
|
try:
|
|
self.auth.check(event, auth_events=context.current_state)
|
|
except AuthError as err:
|
|
logger.warn("Denying new event %r because %s", event, err)
|
|
raise err
|
|
|
|
yield self.maybe_kick_guest_users(event, context.current_state.values())
|
|
|
|
if event.type == EventTypes.CanonicalAlias:
|
|
# Check the alias is acually valid (at this time at least)
|
|
room_alias_str = event.content.get("alias", None)
|
|
if room_alias_str:
|
|
room_alias = RoomAlias.from_string(room_alias_str)
|
|
directory_handler = self.hs.get_handlers().directory_handler
|
|
mapping = yield directory_handler.get_association(room_alias)
|
|
|
|
if mapping["room_id"] != event.room_id:
|
|
raise SynapseError(
|
|
400,
|
|
"Room alias %s does not point to the room" % (
|
|
room_alias_str,
|
|
)
|
|
)
|
|
|
|
federation_handler = self.hs.get_handlers().federation_handler
|
|
|
|
if event.type == EventTypes.Member:
|
|
if event.content["membership"] == Membership.INVITE:
|
|
def is_inviter_member_event(e):
|
|
return (
|
|
e.type == EventTypes.Member and
|
|
e.sender == event.sender
|
|
)
|
|
|
|
event.unsigned["invite_room_state"] = [
|
|
{
|
|
"type": e.type,
|
|
"state_key": e.state_key,
|
|
"content": e.content,
|
|
"sender": e.sender,
|
|
}
|
|
for k, e in context.current_state.items()
|
|
if e.type in self.hs.config.room_invite_state_types
|
|
or is_inviter_member_event(e)
|
|
]
|
|
|
|
invitee = UserID.from_string(event.state_key)
|
|
if not self.hs.is_mine(invitee):
|
|
# TODO: Can we add signature from remote server in a nicer
|
|
# way? If we have been invited by a remote server, we need
|
|
# to get them to sign the event.
|
|
|
|
returned_invite = yield federation_handler.send_invite(
|
|
invitee.domain,
|
|
event,
|
|
)
|
|
|
|
event.unsigned.pop("room_state", None)
|
|
|
|
# TODO: Make sure the signatures actually are correct.
|
|
event.signatures.update(
|
|
returned_invite.signatures
|
|
)
|
|
|
|
if event.type == EventTypes.Redaction:
|
|
if self.auth.check_redaction(event, auth_events=context.current_state):
|
|
original_event = yield self.store.get_event(
|
|
event.redacts,
|
|
check_redacted=False,
|
|
get_prev_content=False,
|
|
allow_rejected=False,
|
|
allow_none=False
|
|
)
|
|
if event.user_id != original_event.user_id:
|
|
raise AuthError(
|
|
403,
|
|
"You don't have permission to redact events"
|
|
)
|
|
|
|
if event.type == EventTypes.Create and context.current_state:
|
|
raise AuthError(
|
|
403,
|
|
"Changing the room create event is forbidden",
|
|
)
|
|
|
|
action_generator = ActionGenerator(self.hs)
|
|
yield action_generator.handle_push_actions_for_event(
|
|
event, context, self
|
|
)
|
|
|
|
(event_stream_id, max_stream_id) = yield self.store.persist_event(
|
|
event, context=context
|
|
)
|
|
|
|
# this intentionally does not yield: we don't care about the result
|
|
# and don't need to wait for it.
|
|
preserve_fn(self.hs.get_pusherpool().on_new_notifications)(
|
|
event_stream_id, max_stream_id
|
|
)
|
|
|
|
destinations = set()
|
|
for k, s in context.current_state.items():
|
|
try:
|
|
if k[0] == EventTypes.Member:
|
|
if s.content["membership"] == Membership.JOIN:
|
|
destinations.add(get_domian_from_id(s.state_key))
|
|
except SynapseError:
|
|
logger.warn(
|
|
"Failed to get destination from event %s", s.event_id
|
|
)
|
|
|
|
with PreserveLoggingContext():
|
|
# Don't block waiting on waking up all the listeners.
|
|
self.notifier.on_new_room_event(
|
|
event, event_stream_id, max_stream_id,
|
|
extra_users=extra_users
|
|
)
|
|
|
|
# If invite, remove room_state from unsigned before sending.
|
|
event.unsigned.pop("invite_room_state", None)
|
|
|
|
federation_handler.handle_new_event(
|
|
event, destinations=destinations,
|
|
)
|