mirror of
https://mau.dev/maunium/synapse.git
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139 lines
5.2 KiB
Python
139 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 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 ._base import BaseHandler
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from synapse.api.errors import Codes, StoreError, SynapseError
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from synapse.appservice import ApplicationService
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from synapse.appservice.api import ApplicationServiceApi
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import logging
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logger = logging.getLogger(__name__)
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# NB: Purposefully not inheriting BaseHandler since that contains way too much
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# setup code which this handler does not need or use. This makes testing a lot
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# easier.
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class ApplicationServicesHandler(object):
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def __init__(self, hs):
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self.store = hs.get_datastore()
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self.hs = hs
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self.appservice_api = ApplicationServiceApi(hs)
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@defer.inlineCallbacks
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def register(self, app_service):
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logger.info("Register -> %s", app_service)
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# check the token is recognised
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try:
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stored_service = yield self.store.get_app_service_by_token(
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app_service.token
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)
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if not stored_service:
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raise StoreError(404, "Application service not found")
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except StoreError:
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raise SynapseError(
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403, "Unrecognised application services token. "
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"Consult the home server admin.",
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errcode=Codes.FORBIDDEN
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)
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logger.info("Updating application service info...")
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yield self.store.update_app_service(app_service)
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logger.info("Sending ping to %s...", app_service.url)
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yield self.appservice_api.query_alias(app_service, "ping")
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def unregister(self, token):
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logger.info("Unregister as_token=%s", token)
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yield self.store.unregister_app_service(token)
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@defer.inlineCallbacks
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def get_services_for_event(self, event, restrict_to=""):
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"""Retrieve a list of application services interested in this event.
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Args:
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event(Event): The event to check.
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restrict_to(str): The namespace to restrict regex tests to.
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Returns:
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list<ApplicationService>: A list of services interested in this
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event based on the service regex.
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"""
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# We need to know the aliases associated with this event.room_id, if any
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alias_list = [] # TODO
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services = yield self.store.get_app_services()
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interested_list = [
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s for s in services if (
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s.is_interested(event, restrict_to, alias_list)
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)
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]
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defer.returnValue(interested_list)
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@defer.inlineCallbacks
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def notify_interested_services(self, event):
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"""Notifies (pushes) all application services interested in this event.
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Pushing is done asynchronously, so this method won't block for any
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prolonged length of time.
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Args:
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event(Event): The event to push out to interested services.
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"""
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# Gather interested services
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services = yield self.get_services_for_event(event)
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if len(services) == 0:
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return # no services need notifying
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# Do we know this user exists? If not, poke the user query API for
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# all services which match that user regex.
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unknown_user = False # TODO check
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if unknown_user:
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user_query_services = yield self.get_services_for_event(
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event=event,
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restrict_to=ApplicationService.NS_USERS
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)
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for user_service in user_query_services:
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# this needs to block XXX: Need to feed response back to caller
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is_known_user = yield self.appservice_api.query_user(
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user_service, event.sender
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)
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if is_known_user:
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# the user exists now,so don't query more ASes.
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break
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# Do we know this room alias exists? If not, poke the room alias query
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# API for all services which match that room alias regex.
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unknown_room_alias = False # TODO check
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if unknown_room_alias:
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alias = "something" # TODO
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alias_query_services = yield self.get_services_for_event(
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event=event,
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restrict_to=ApplicationService.NS_ALIASES
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)
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for alias_service in alias_query_services:
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# this needs to block XXX: Need to feed response back to caller
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is_known_alias = yield self.appservice_api.query_alias(
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alias_service, alias
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)
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if is_known_alias:
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# the alias exists now so don't query more ASes.
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break
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# Fork off pushes to these services - XXX First cut, best effort
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for service in services:
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self.appservice_api.push(service, event)
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