479 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			479 lines
		
	
	
		
			15 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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| 
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| 
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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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| 
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| # Imports required for the default HomeServer() implementation
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| import logging
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| 
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| from twisted.enterprise import adbapi
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| from twisted.web.client import BrowserLikePolicyForHTTPS
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| 
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| from synapse.api.auth import Auth
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| from synapse.api.filtering import Filtering
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| from synapse.api.ratelimiting import Ratelimiter
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| from synapse.appservice.api import ApplicationServiceApi
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| from synapse.appservice.scheduler import ApplicationServiceScheduler
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| from synapse.crypto.keyring import Keyring
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| from synapse.events.builder import EventBuilderFactory
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| from synapse.events.spamcheck import SpamChecker
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| from synapse.federation.federation_client import FederationClient
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| from synapse.federation.federation_server import (
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|     FederationHandlerRegistry,
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|     FederationServer,
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| )
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| from synapse.federation.send_queue import FederationRemoteSendQueue
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| from synapse.federation.transaction_queue import TransactionQueue
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| from synapse.federation.transport.client import TransportLayerClient
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| from synapse.groups.attestations import GroupAttestationSigning, GroupAttestionRenewer
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| from synapse.groups.groups_server import GroupsServerHandler
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| from synapse.handlers import Handlers
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| from synapse.handlers.appservice import ApplicationServicesHandler
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| from synapse.handlers.auth import AuthHandler, MacaroonGenerator
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| from synapse.handlers.deactivate_account import DeactivateAccountHandler
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| from synapse.handlers.device import DeviceHandler
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| from synapse.handlers.devicemessage import DeviceMessageHandler
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| from synapse.handlers.e2e_keys import E2eKeysHandler
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| from synapse.handlers.events import EventHandler, EventStreamHandler
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| from synapse.handlers.groups_local import GroupsLocalHandler
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| from synapse.handlers.initial_sync import InitialSyncHandler
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| from synapse.handlers.message import EventCreationHandler
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| from synapse.handlers.presence import PresenceHandler
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| from synapse.handlers.profile import ProfileHandler
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| from synapse.handlers.read_marker import ReadMarkerHandler
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| from synapse.handlers.receipts import ReceiptsHandler
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| from synapse.handlers.room import RoomCreationHandler
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| from synapse.handlers.room_list import RoomListHandler
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| from synapse.handlers.room_member import RoomMemberMasterHandler
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| from synapse.handlers.room_member_worker import RoomMemberWorkerHandler
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| from synapse.handlers.set_password import SetPasswordHandler
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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.user_directory import UserDirectoryHandler
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| from synapse.http.client import InsecureInterceptableContextFactory, SimpleHttpClient
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| from synapse.http.matrixfederationclient import MatrixFederationHttpClient
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| from synapse.notifier import Notifier
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| from synapse.push.action_generator import ActionGenerator
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| from synapse.push.pusherpool import PusherPool
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| from synapse.rest.media.v1.media_repository import (
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|     MediaRepository,
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|     MediaRepositoryResource,
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| )
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| from synapse.server_notices.server_notices_manager import ServerNoticesManager
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| from synapse.server_notices.server_notices_sender import ServerNoticesSender
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| from synapse.server_notices.worker_server_notices_sender import WorkerServerNoticesSender
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| from synapse.state import StateHandler, StateResolutionHandler
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| from synapse.storage import DataStore
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| from synapse.streams.events import EventSources
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| from synapse.util import Clock
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| from synapse.util.distributor import Distributor
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class HomeServer(object):
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|     """A basic homeserver object without lazy component builders.
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| 
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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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| 
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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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|     Attributes:
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|         config (synapse.config.homeserver.HomeserverConfig):
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|     """
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| 
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|     DEPENDENCIES = [
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|         'http_client',
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|         'db_pool',
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|         'federation_client',
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|         'federation_server',
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|         'handlers',
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|         'auth',
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|         'room_creation_handler',
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|         'state_handler',
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|         'state_resolution_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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|         'auth_handler',
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|         'device_handler',
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|         'e2e_keys_handler',
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|         'event_handler',
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|         'event_stream_handler',
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|         'initial_sync_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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|         'device_message_handler',
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|         'profile_handler',
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|         'event_creation_handler',
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|         'deactivate_account_handler',
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|         'set_password_handler',
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|         'notifier',
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|         'event_sources',
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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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|         'media_repository',
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|         'media_repository_resource',
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|         'federation_transport_client',
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|         'federation_sender',
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|         'receipts_handler',
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|         'macaroon_generator',
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|         'tcp_replication',
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|         'read_marker_handler',
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|         'action_generator',
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|         'user_directory_handler',
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|         'groups_local_handler',
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|         'groups_server_handler',
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|         'groups_attestation_signing',
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|         'groups_attestation_renewer',
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|         'spam_checker',
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|         'room_member_handler',
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|         'federation_registry',
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|         'server_notices_manager',
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|         'server_notices_sender',
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|     ]
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| 
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|     def __init__(self, hostname, reactor=None, **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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|         if not reactor:
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|             from twisted.internet import reactor
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| 
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|         self._reactor = reactor
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|         self.hostname = hostname
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|         self._building = {}
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| 
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|         self.clock = Clock(reactor)
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|         self.distributor = Distributor()
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|         self.ratelimiter = Ratelimiter()
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| 
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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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| 
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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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| 
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|     def get_reactor(self):
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|         """
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|         Fetch the Twisted reactor in use by this HomeServer.
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|         """
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|         return self._reactor
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| 
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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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| 
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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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| 
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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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| 
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|     def get_clock(self):
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|         return self.clock
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| 
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|     def get_datastore(self):
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|         return self.datastore
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| 
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|     def get_config(self):
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|         return self.config
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| 
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|     def get_distributor(self):
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|         return self.distributor
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| 
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|     def get_ratelimiter(self):
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|         return self.ratelimiter
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| 
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|     def build_federation_client(self):
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|         return FederationClient(self)
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| 
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|     def build_federation_server(self):
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|         return FederationServer(self)
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| 
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|     def build_handlers(self):
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|         return Handlers(self)
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| 
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|     def build_notifier(self):
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|         return Notifier(self)
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| 
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|     def build_auth(self):
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|         return Auth(self)
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| 
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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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| 
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|     def build_simple_http_client(self):
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|         return SimpleHttpClient(self)
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| 
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|     def build_room_creation_handler(self):
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|         return RoomCreationHandler(self)
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| 
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|     def build_state_handler(self):
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|         return StateHandler(self)
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| 
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|     def build_state_resolution_handler(self):
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|         return StateResolutionHandler(self)
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| 
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|     def build_presence_handler(self):
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|         return PresenceHandler(self)
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| 
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|     def build_typing_handler(self):
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|         return TypingHandler(self)
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| 
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|     def build_sync_handler(self):
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|         return SyncHandler(self)
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| 
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|     def build_room_list_handler(self):
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|         return RoomListHandler(self)
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| 
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|     def build_auth_handler(self):
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|         return AuthHandler(self)
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| 
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|     def build_macaroon_generator(self):
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|         return MacaroonGenerator(self)
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| 
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|     def build_device_handler(self):
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|         return DeviceHandler(self)
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| 
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|     def build_device_message_handler(self):
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|         return DeviceMessageHandler(self)
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| 
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|     def build_e2e_keys_handler(self):
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|         return E2eKeysHandler(self)
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| 
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|     def build_application_service_api(self):
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|         return ApplicationServiceApi(self)
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| 
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|     def build_application_service_scheduler(self):
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|         return ApplicationServiceScheduler(self)
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| 
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|     def build_application_service_handler(self):
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|         return ApplicationServicesHandler(self)
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| 
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|     def build_event_handler(self):
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|         return EventHandler(self)
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| 
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|     def build_event_stream_handler(self):
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|         return EventStreamHandler(self)
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| 
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|     def build_initial_sync_handler(self):
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|         return InitialSyncHandler(self)
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| 
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|     def build_profile_handler(self):
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|         return ProfileHandler(self)
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| 
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|     def build_event_creation_handler(self):
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|         return EventCreationHandler(self)
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| 
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|     def build_deactivate_account_handler(self):
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|         return DeactivateAccountHandler(self)
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| 
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|     def build_set_password_handler(self):
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|         return SetPasswordHandler(self)
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| 
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|     def build_event_sources(self):
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|         return EventSources(self)
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| 
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|     def build_keyring(self):
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|         return Keyring(self)
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| 
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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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| 
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|     def build_filtering(self):
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|         return Filtering(self)
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| 
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|     def build_pusherpool(self):
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|         return PusherPool(self)
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| 
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|     def build_http_client(self):
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|         return MatrixFederationHttpClient(self)
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| 
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|     def build_db_pool(self):
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|         name = self.db_config["name"]
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| 
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|         return adbapi.ConnectionPool(
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|             name,
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|             cp_reactor=self.get_reactor(),
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|             **self.db_config.get("args", {})
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|         )
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| 
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|     def get_db_conn(self, run_new_connection=True):
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|         """Makes a new connection to the database, skipping the db pool
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| 
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|         Returns:
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|             Connection: a connection object implementing the PEP-249 spec
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|         """
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|         # Any param beginning with cp_ is a parameter for adbapi, and should
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|         # not be passed to the database engine.
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|         db_params = {
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|             k: v for k, v in self.db_config.get("args", {}).items()
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|             if not k.startswith("cp_")
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|         }
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|         db_conn = self.database_engine.module.connect(**db_params)
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|         if run_new_connection:
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|             self.database_engine.on_new_connection(db_conn)
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|         return db_conn
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| 
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|     def build_media_repository_resource(self):
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|         # build the media repo resource. This indirects through the HomeServer
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|         # to ensure that we only have a single instance of
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|         return MediaRepositoryResource(self)
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| 
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|     def build_media_repository(self):
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|         return MediaRepository(self)
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| 
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|     def build_federation_transport_client(self):
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|         return TransportLayerClient(self)
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| 
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|     def build_federation_sender(self):
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|         if self.should_send_federation():
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|             return TransactionQueue(self)
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|         elif not self.config.worker_app:
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|             return FederationRemoteSendQueue(self)
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|         else:
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|             raise Exception("Workers cannot send federation traffic")
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| 
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|     def build_receipts_handler(self):
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|         return ReceiptsHandler(self)
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| 
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|     def build_read_marker_handler(self):
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|         return ReadMarkerHandler(self)
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| 
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|     def build_tcp_replication(self):
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|         raise NotImplementedError()
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| 
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|     def build_action_generator(self):
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|         return ActionGenerator(self)
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| 
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|     def build_user_directory_handler(self):
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|         return UserDirectoryHandler(self)
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| 
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|     def build_groups_local_handler(self):
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|         return GroupsLocalHandler(self)
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| 
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|     def build_groups_server_handler(self):
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|         return GroupsServerHandler(self)
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| 
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|     def build_groups_attestation_signing(self):
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|         return GroupAttestationSigning(self)
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| 
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|     def build_groups_attestation_renewer(self):
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|         return GroupAttestionRenewer(self)
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| 
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|     def build_spam_checker(self):
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|         return SpamChecker(self)
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| 
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|     def build_room_member_handler(self):
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|         if self.config.worker_app:
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|             return RoomMemberWorkerHandler(self)
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|         return RoomMemberMasterHandler(self)
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| 
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|     def build_federation_registry(self):
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|         return FederationHandlerRegistry()
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| 
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|     def build_server_notices_manager(self):
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|         if self.config.worker_app:
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|             raise Exception("Workers cannot send server notices")
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|         return ServerNoticesManager(self)
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| 
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|     def build_server_notices_sender(self):
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|         if self.config.worker_app:
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|             return WorkerServerNoticesSender(self)
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|         return ServerNoticesSender(self)
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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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| 
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|     def should_send_federation(self):
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|         "Should this server be sending federation traffic directly?"
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|         return self.config.send_federation and (
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|             not self.config.worker_app
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|             or self.config.worker_app == "synapse.app.federation_sender"
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|         )
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| 
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| 
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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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| 
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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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| 
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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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| 
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|             dep = builder()
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|             setattr(hs, depname, dep)
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| 
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|             del hs._building[depname]
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| 
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|             return dep
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| 
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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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| 
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|     setattr(HomeServer, "get_%s" % (depname), _get)
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| 
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| 
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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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