151 lines
5.0 KiB
Python
151 lines
5.0 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014, 2015 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# 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.
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api.errors import LimitExceededError, SynapseError
|
|
from synapse.util.async import run_on_reactor
|
|
from synapse.crypto.event_signing import add_hashes_and_signatures
|
|
from synapse.api.constants import Membership, EventTypes
|
|
|
|
import logging
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class BaseHandler(object):
|
|
|
|
def __init__(self, hs):
|
|
self.store = hs.get_datastore()
|
|
self.auth = hs.get_auth()
|
|
self.notifier = hs.get_notifier()
|
|
self.state_handler = hs.get_state_handler()
|
|
self.distributor = hs.get_distributor()
|
|
self.ratelimiter = hs.get_ratelimiter()
|
|
self.clock = hs.get_clock()
|
|
self.hs = hs
|
|
|
|
self.signing_key = hs.config.signing_key[0]
|
|
self.server_name = hs.hostname
|
|
|
|
self.event_builder_factory = hs.get_event_builder_factory()
|
|
|
|
def ratelimit(self, user_id):
|
|
time_now = self.clock.time()
|
|
allowed, time_allowed = self.ratelimiter.send_message(
|
|
user_id, time_now,
|
|
msg_rate_hz=self.hs.config.rc_messages_per_second,
|
|
burst_count=self.hs.config.rc_message_burst_count,
|
|
)
|
|
if not allowed:
|
|
raise LimitExceededError(
|
|
retry_after_ms=int(1000*(time_allowed - time_now)),
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def _create_new_client_event(self, builder):
|
|
yield run_on_reactor()
|
|
|
|
latest_ret = yield self.store.get_latest_events_in_room(
|
|
builder.room_id,
|
|
)
|
|
|
|
if latest_ret:
|
|
depth = max([d for _, _, d in latest_ret]) + 1
|
|
else:
|
|
depth = 1
|
|
|
|
prev_events = [(e, h) for e, h, _ 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 = context.prev_state_events
|
|
|
|
yield self.auth.add_auth_events(builder, context)
|
|
|
|
add_hashes_and_signatures(
|
|
builder, self.server_name, self.signing_key
|
|
)
|
|
|
|
event = builder.build()
|
|
|
|
logger.debug(
|
|
"Created event %s with auth_events: %s, current state: %s",
|
|
event.event_id, context.auth_events, context.current_state,
|
|
)
|
|
|
|
defer.returnValue(
|
|
(event, context,)
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def handle_new_client_event(self, event, context, extra_destinations=[],
|
|
extra_users=[], suppress_auth=False):
|
|
yield run_on_reactor()
|
|
|
|
# We now need to go and hit out to wherever we need to hit out to.
|
|
|
|
if not suppress_auth:
|
|
self.auth.check(event, auth_events=context.auth_events)
|
|
|
|
yield self.store.persist_event(event, context=context)
|
|
|
|
federation_handler = self.hs.get_handlers().federation_handler
|
|
|
|
if event.type == EventTypes.Member:
|
|
if event.content["membership"] == Membership.INVITE:
|
|
invitee = self.hs.parse_userid(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,
|
|
)
|
|
|
|
# TODO: Make sure the signatures actually are correct.
|
|
event.signatures.update(
|
|
returned_invite.signatures
|
|
)
|
|
|
|
destinations = set(extra_destinations)
|
|
for k, s in context.current_state.items():
|
|
try:
|
|
if k[0] == EventTypes.Member:
|
|
if s.content["membership"] == Membership.JOIN:
|
|
destinations.add(
|
|
self.hs.parse_userid(s.state_key).domain
|
|
)
|
|
except SynapseError:
|
|
logger.warn(
|
|
"Failed to get destination from event %s", s.event_id
|
|
)
|
|
|
|
yield self.notifier.on_new_room_event(event, extra_users=extra_users)
|
|
|
|
yield federation_handler.handle_new_event(
|
|
event,
|
|
None,
|
|
destinations=destinations,
|
|
)
|