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c626fc576a
Access it directly from the homeserver itself. It already wasn't inheriting from BaseHandler storing it on the Handlers object was already somewhat dubious.
274 lines
8.3 KiB
Python
274 lines
8.3 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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# This file provides some classes for setting up (partially-populated)
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# homeservers; either as a full homeserver as a real application, or a small
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# partial one for unit test mocking.
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# Imports required for the default HomeServer() implementation
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from twisted.web.client import BrowserLikePolicyForHTTPS
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from twisted.enterprise import adbapi
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from synapse.appservice.scheduler import ApplicationServiceScheduler
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from synapse.appservice.api import ApplicationServiceApi
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from synapse.federation import initialize_http_replication
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from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory
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from synapse.notifier import Notifier
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from synapse.api.auth import Auth
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from synapse.handlers import Handlers
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from synapse.handlers.presence import PresenceHandler
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from synapse.handlers.sync import SyncHandler
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from synapse.handlers.typing import TypingHandler
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from synapse.handlers.room import RoomListHandler
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from synapse.handlers.appservice import ApplicationServicesHandler
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from synapse.state import StateHandler
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from synapse.storage import DataStore
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from synapse.util import Clock
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from synapse.util.distributor import Distributor
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from synapse.streams.events import EventSources
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from synapse.api.ratelimiting import Ratelimiter
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from synapse.crypto.keyring import Keyring
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from synapse.push.pusherpool import PusherPool
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from synapse.events.builder import EventBuilderFactory
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from synapse.api.filtering import Filtering
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from synapse.http.matrixfederationclient import MatrixFederationHttpClient
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import logging
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logger = logging.getLogger(__name__)
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class HomeServer(object):
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"""A basic homeserver object without lazy component builders.
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This will need all of the components it requires to either be passed as
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constructor arguments, or the relevant methods overriding to create them.
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Typically this would only be used for unit tests.
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For every dependency in the DEPENDENCIES list below, this class creates one
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method,
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def get_DEPENDENCY(self)
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which returns the value of that dependency. If no value has yet been set
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nor was provided to the constructor, it will attempt to call a lazy builder
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method called
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def build_DEPENDENCY(self)
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which must be implemented by the subclass. This code may call any of the
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required "get" methods on the instance to obtain the sub-dependencies that
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one requires.
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"""
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DEPENDENCIES = [
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'config',
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'clock',
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'http_client',
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'db_pool',
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'persistence_service',
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'replication_layer',
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'datastore',
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'handlers',
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'v1auth',
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'auth',
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'rest_servlet_factory',
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'state_handler',
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'presence_handler',
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'sync_handler',
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'typing_handler',
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'room_list_handler',
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'application_service_api',
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'application_service_scheduler',
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'application_service_handler',
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'notifier',
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'distributor',
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'client_resource',
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'resource_for_federation',
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'resource_for_static_content',
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'resource_for_web_client',
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'resource_for_content_repo',
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'resource_for_server_key',
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'resource_for_server_key_v2',
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'resource_for_media_repository',
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'resource_for_metrics',
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'event_sources',
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'ratelimiter',
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'keyring',
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'pusherpool',
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'event_builder_factory',
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'filtering',
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'http_client_context_factory',
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'simple_http_client',
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]
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def __init__(self, hostname, **kwargs):
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"""
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Args:
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hostname : The hostname for the server.
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"""
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self.hostname = hostname
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self._building = {}
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self.clock = Clock()
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self.distributor = Distributor()
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self.ratelimiter = Ratelimiter()
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# Other kwargs are explicit dependencies
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for depname in kwargs:
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setattr(self, depname, kwargs[depname])
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def setup(self):
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logger.info("Setting up.")
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self.datastore = DataStore(self.get_db_conn(), self)
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logger.info("Finished setting up.")
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def get_ip_from_request(self, request):
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# X-Forwarded-For is handled by our custom request type.
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return request.getClientIP()
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def is_mine(self, domain_specific_string):
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return domain_specific_string.domain == self.hostname
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def is_mine_id(self, string):
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return string.split(":", 1)[1] == self.hostname
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def build_replication_layer(self):
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return initialize_http_replication(self)
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def build_handlers(self):
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return Handlers(self)
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def build_notifier(self):
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return Notifier(self)
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def build_auth(self):
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return Auth(self)
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def build_http_client_context_factory(self):
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return (
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InsecureInterceptableContextFactory()
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if self.config.use_insecure_ssl_client_just_for_testing_do_not_use
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else BrowserLikePolicyForHTTPS()
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)
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def build_simple_http_client(self):
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return SimpleHttpClient(self)
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def build_v1auth(self):
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orf = Auth(self)
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# Matrix spec makes no reference to what HTTP status code is returned,
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# but the V1 API uses 403 where it means 401, and the webclient
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# relies on this behaviour, so V1 gets its own copy of the auth
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# with backwards compat behaviour.
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orf.TOKEN_NOT_FOUND_HTTP_STATUS = 403
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return orf
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def build_state_handler(self):
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return StateHandler(self)
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def build_presence_handler(self):
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return PresenceHandler(self)
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def build_typing_handler(self):
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return TypingHandler(self)
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def build_sync_handler(self):
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return SyncHandler(self)
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def build_room_list_handler(self):
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return RoomListHandler(self)
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def build_application_service_api(self):
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return ApplicationServiceApi(self)
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def build_application_service_scheduler(self):
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return ApplicationServiceScheduler(self)
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def build_application_service_handler(self):
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return ApplicationServicesHandler(self)
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def build_event_sources(self):
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return EventSources(self)
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def build_keyring(self):
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return Keyring(self)
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def build_event_builder_factory(self):
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return EventBuilderFactory(
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clock=self.get_clock(),
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hostname=self.hostname,
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)
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def build_filtering(self):
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return Filtering(self)
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def build_pusherpool(self):
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return PusherPool(self)
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def build_http_client(self):
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return MatrixFederationHttpClient(self)
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def build_db_pool(self):
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name = self.db_config["name"]
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return adbapi.ConnectionPool(
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name,
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**self.db_config.get("args", {})
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)
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def remove_pusher(self, app_id, push_key, user_id):
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return self.get_pusherpool().remove_pusher(app_id, push_key, user_id)
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def _make_dependency_method(depname):
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def _get(hs):
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try:
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return getattr(hs, depname)
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except AttributeError:
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pass
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try:
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builder = getattr(hs, "build_%s" % (depname))
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except AttributeError:
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builder = None
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if builder:
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# Prevent cyclic dependencies from deadlocking
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if depname in hs._building:
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raise ValueError("Cyclic dependency while building %s" % (
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depname,
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))
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hs._building[depname] = 1
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dep = builder()
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setattr(hs, depname, dep)
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del hs._building[depname]
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return dep
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raise NotImplementedError(
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"%s has no %s nor a builder for it" % (
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type(hs).__name__, depname,
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)
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)
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setattr(HomeServer, "get_%s" % (depname), _get)
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# Build magic accessors for every dependency
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for depname in HomeServer.DEPENDENCIES:
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_make_dependency_method(depname)
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