119 lines
3.9 KiB
Python
119 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 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.errors import LimitExceededError
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from synapse.util.async import run_on_reactor
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from synapse.crypto.event_signing import add_hashes_and_signatures
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from synapse.api.events.room import RoomMemberEvent
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from synapse.api.constants import Membership
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import logging
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logger = logging.getLogger(__name__)
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class BaseHandler(object):
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def __init__(self, hs):
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self.store = hs.get_datastore()
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self.event_factory = hs.get_event_factory()
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self.auth = hs.get_auth()
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self.notifier = hs.get_notifier()
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self.room_lock = hs.get_room_lock_manager()
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self.state_handler = hs.get_state_handler()
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self.distributor = hs.get_distributor()
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self.ratelimiter = hs.get_ratelimiter()
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self.clock = hs.get_clock()
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self.hs = hs
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self.signing_key = hs.config.signing_key[0]
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self.server_name = hs.hostname
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def ratelimit(self, user_id):
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time_now = self.clock.time()
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allowed, time_allowed = self.ratelimiter.send_message(
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user_id, time_now,
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msg_rate_hz=self.hs.config.rc_messages_per_second,
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burst_count=self.hs.config.rc_message_burst_count,
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)
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if not allowed:
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raise LimitExceededError(
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retry_after_ms=int(1000*(time_allowed - time_now)),
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)
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@defer.inlineCallbacks
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def _on_new_room_event(self, event, snapshot, extra_destinations=[],
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extra_users=[], suppress_auth=False,
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do_invite_host=None):
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yield run_on_reactor()
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snapshot.fill_out_prev_events(event)
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yield self.state_handler.annotate_event_with_state(event)
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yield self.auth.add_auth_events(event)
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logger.debug("Signing event...")
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add_hashes_and_signatures(
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event, self.server_name, self.signing_key
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)
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logger.debug("Signed event.")
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if not suppress_auth:
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logger.debug("Authing...")
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self.auth.check(event, raises=True)
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logger.debug("Authed")
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else:
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logger.debug("Suppressed auth.")
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if do_invite_host:
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federation_handler = self.hs.get_handlers().federation_handler
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invite_event = yield federation_handler.send_invite(
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do_invite_host,
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event
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)
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# FIXME: We need to check if the remote changed anything else
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event.signatures = invite_event.signatures
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yield self.store.persist_event(event)
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destinations = set(extra_destinations)
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# Send a PDU to all hosts who have joined the room.
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for k, s in event.state_events.items():
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try:
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if k[0] == RoomMemberEvent.TYPE:
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if s.content["membership"] == Membership.JOIN:
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destinations.add(
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self.hs.parse_userid(s.state_key).domain
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)
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except:
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logger.warn(
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"Failed to get destination from event %s", s.event_id
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)
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event.destinations = list(destinations)
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self.notifier.on_new_room_event(event, extra_users=extra_users)
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federation_handler = self.hs.get_handlers().federation_handler
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yield federation_handler.handle_new_event(event, snapshot)
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