508 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			508 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Python
		
	
	
| #!/usr/bin/env python
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| # Copyright 2014-2016 OpenMarket Ltd
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| # Copyright 2019 New Vector 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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| import logging
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| import os
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| import sys
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| from typing import Iterator
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| 
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| from twisted.internet import reactor
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| from twisted.web.resource import EncodingResourceWrapper, IResource
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| from twisted.web.server import GzipEncoderFactory
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| from twisted.web.static import File
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| 
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| import synapse
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| import synapse.config.logger
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| from synapse import events
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| from synapse.api.urls import (
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|     FEDERATION_PREFIX,
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|     LEGACY_MEDIA_PREFIX,
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|     MEDIA_PREFIX,
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|     SERVER_KEY_V2_PREFIX,
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|     STATIC_PREFIX,
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|     WEB_CLIENT_PREFIX,
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| )
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| from synapse.app import _base
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| from synapse.app._base import (
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|     listen_ssl,
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|     listen_tcp,
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|     max_request_body_size,
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|     quit_with_error,
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|     register_start,
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| )
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| from synapse.config._base import ConfigError
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| from synapse.config.emailconfig import ThreepidBehaviour
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| from synapse.config.homeserver import HomeServerConfig
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| from synapse.config.server import ListenerConfig
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| from synapse.federation.transport.server import TransportLayerServer
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| from synapse.http.additional_resource import AdditionalResource
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| from synapse.http.server import (
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|     OptionsResource,
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|     RootOptionsRedirectResource,
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|     RootRedirect,
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|     StaticResource,
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| )
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| from synapse.http.site import SynapseSite
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| from synapse.logging.context import LoggingContext
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| from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
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| from synapse.python_dependencies import check_requirements
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| from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
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| from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
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| from synapse.rest import ClientRestResource
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| from synapse.rest.admin import AdminRestResource
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| from synapse.rest.health import HealthResource
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| from synapse.rest.key.v2 import KeyApiV2Resource
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| from synapse.rest.synapse.client import build_synapse_client_resource_tree
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| from synapse.rest.well_known import WellKnownResource
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| from synapse.server import HomeServer
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| from synapse.storage import DataStore
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| from synapse.storage.engines import IncorrectDatabaseSetup
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| from synapse.storage.prepare_database import UpgradeDatabaseException
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| from synapse.util.httpresourcetree import create_resource_tree
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| from synapse.util.module_loader import load_module
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| from synapse.util.versionstring import get_version_string
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| 
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| logger = logging.getLogger("synapse.app.homeserver")
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| 
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| 
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| def gz_wrap(r):
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|     return EncodingResourceWrapper(r, [GzipEncoderFactory()])
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| 
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| 
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| class SynapseHomeServer(HomeServer):
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|     DATASTORE_CLASS = DataStore
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| 
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|     def _listener_http(self, config: HomeServerConfig, listener_config: ListenerConfig):
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|         port = listener_config.port
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|         bind_addresses = listener_config.bind_addresses
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|         tls = listener_config.tls
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|         site_tag = listener_config.http_options.tag
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|         if site_tag is None:
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|             site_tag = str(port)
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| 
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|         # We always include a health resource.
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|         resources = {"/health": HealthResource()}
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| 
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|         for res in listener_config.http_options.resources:
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|             for name in res.names:
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|                 if name == "openid" and "federation" in res.names:
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|                     # Skip loading openid resource if federation is defined
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|                     # since federation resource will include openid
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|                     continue
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|                 resources.update(self._configure_named_resource(name, res.compress))
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| 
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|         additional_resources = listener_config.http_options.additional_resources
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|         logger.debug("Configuring additional resources: %r", additional_resources)
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|         module_api = self.get_module_api()
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|         for path, resmodule in additional_resources.items():
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|             handler_cls, config = load_module(
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|                 resmodule,
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|                 ("listeners", site_tag, "additional_resources", "<%s>" % (path,)),
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|             )
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|             handler = handler_cls(config, module_api)
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|             if IResource.providedBy(handler):
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|                 resource = handler
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|             elif hasattr(handler, "handle_request"):
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|                 resource = AdditionalResource(self, handler.handle_request)
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|             else:
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|                 raise ConfigError(
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|                     "additional_resource %s does not implement a known interface"
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|                     % (resmodule["module"],)
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|                 )
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|             resources[path] = resource
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| 
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|         # try to find something useful to redirect '/' to
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|         if WEB_CLIENT_PREFIX in resources:
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|             root_resource = RootOptionsRedirectResource(WEB_CLIENT_PREFIX)
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|         elif STATIC_PREFIX in resources:
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|             root_resource = RootOptionsRedirectResource(STATIC_PREFIX)
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|         else:
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|             root_resource = OptionsResource()
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| 
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|         site = SynapseSite(
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|             "synapse.access.%s.%s" % ("https" if tls else "http", site_tag),
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|             site_tag,
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|             listener_config,
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|             create_resource_tree(resources, root_resource),
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|             self.version_string,
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|             max_request_body_size=max_request_body_size(self.config),
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|             reactor=self.get_reactor(),
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|         )
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| 
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|         if tls:
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|             ports = listen_ssl(
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|                 bind_addresses,
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|                 port,
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|                 site,
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|                 self.tls_server_context_factory,
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|                 reactor=self.get_reactor(),
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|             )
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|             logger.info("Synapse now listening on TCP port %d (TLS)", port)
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| 
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|         else:
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|             ports = listen_tcp(
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|                 bind_addresses,
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|                 port,
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|                 site,
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|                 reactor=self.get_reactor(),
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|             )
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|             logger.info("Synapse now listening on TCP port %d", port)
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| 
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|         return ports
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| 
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|     def _configure_named_resource(self, name, compress=False):
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|         """Build a resource map for a named resource
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| 
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|         Args:
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|             name (str): named resource: one of "client", "federation", etc
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|             compress (bool): whether to enable gzip compression for this
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|                 resource
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| 
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|         Returns:
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|             dict[str, Resource]: map from path to HTTP resource
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|         """
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|         resources = {}
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|         if name == "client":
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|             client_resource = ClientRestResource(self)
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|             if compress:
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|                 client_resource = gz_wrap(client_resource)
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| 
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|             resources.update(
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|                 {
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|                     "/_matrix/client/api/v1": client_resource,
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|                     "/_matrix/client/r0": client_resource,
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|                     "/_matrix/client/unstable": client_resource,
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|                     "/_matrix/client/v2_alpha": client_resource,
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|                     "/_matrix/client/versions": client_resource,
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|                     "/.well-known/matrix/client": WellKnownResource(self),
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|                     "/_synapse/admin": AdminRestResource(self),
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|                     **build_synapse_client_resource_tree(self),
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|                 }
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|             )
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| 
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|             if self.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
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|                 from synapse.rest.synapse.client.password_reset import (
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|                     PasswordResetSubmitTokenResource,
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|                 )
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| 
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|                 resources[
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|                     "/_synapse/client/password_reset/email/submit_token"
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|                 ] = PasswordResetSubmitTokenResource(self)
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| 
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|         if name == "consent":
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|             from synapse.rest.consent.consent_resource import ConsentResource
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| 
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|             consent_resource = ConsentResource(self)
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|             if compress:
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|                 consent_resource = gz_wrap(consent_resource)
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|             resources.update({"/_matrix/consent": consent_resource})
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| 
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|         if name == "federation":
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|             resources.update({FEDERATION_PREFIX: TransportLayerServer(self)})
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| 
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|         if name == "openid":
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|             resources.update(
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|                 {
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|                     FEDERATION_PREFIX: TransportLayerServer(
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|                         self, servlet_groups=["openid"]
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|                     )
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|                 }
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|             )
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| 
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|         if name in ["static", "client"]:
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|             resources.update(
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|                 {
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|                     STATIC_PREFIX: StaticResource(
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|                         os.path.join(os.path.dirname(synapse.__file__), "static")
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|                     )
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|                 }
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|             )
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| 
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|         if name in ["media", "federation", "client"]:
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|             if self.config.enable_media_repo:
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|                 media_repo = self.get_media_repository_resource()
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|                 resources.update(
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|                     {MEDIA_PREFIX: media_repo, LEGACY_MEDIA_PREFIX: media_repo}
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|                 )
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|             elif name == "media":
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|                 raise ConfigError(
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|                     "'media' resource conflicts with enable_media_repo=False"
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|                 )
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| 
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|         if name in ["keys", "federation"]:
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|             resources[SERVER_KEY_V2_PREFIX] = KeyApiV2Resource(self)
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| 
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|         if name == "webclient":
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|             webclient_loc = self.config.web_client_location
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| 
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|             if webclient_loc is None:
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|                 logger.warning(
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|                     "Not enabling webclient resource, as web_client_location is unset."
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|                 )
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|             elif webclient_loc.startswith("http://") or webclient_loc.startswith(
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|                 "https://"
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|             ):
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|                 resources[WEB_CLIENT_PREFIX] = RootRedirect(webclient_loc)
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|             else:
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|                 logger.warning(
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|                     "Running webclient on the same domain is not recommended: "
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|                     "https://github.com/matrix-org/synapse#security-note - "
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|                     "after you move webclient to different host you can set "
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|                     "web_client_location to its full URL to enable redirection."
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|                 )
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|                 # GZip is disabled here due to
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|                 # https://twistedmatrix.com/trac/ticket/7678
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|                 resources[WEB_CLIENT_PREFIX] = File(webclient_loc)
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| 
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|         if name == "metrics" and self.config.enable_metrics:
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|             resources[METRICS_PREFIX] = MetricsResource(RegistryProxy)
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| 
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|         if name == "replication":
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|             resources[REPLICATION_PREFIX] = ReplicationRestResource(self)
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| 
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|         return resources
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| 
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|     def start_listening(self):
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|         if self.config.redis_enabled:
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|             # If redis is enabled we connect via the replication command handler
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|             # in the same way as the workers (since we're effectively a client
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|             # rather than a server).
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|             self.get_tcp_replication().start_replication(self)
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| 
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|         for listener in self.config.server.listeners:
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|             if listener.type == "http":
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|                 self._listening_services.extend(
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|                     self._listener_http(self.config, listener)
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|                 )
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|             elif listener.type == "manhole":
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|                 _base.listen_manhole(
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|                     listener.bind_addresses, listener.port, manhole_globals={"hs": self}
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|                 )
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|             elif listener.type == "replication":
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|                 services = listen_tcp(
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|                     listener.bind_addresses,
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|                     listener.port,
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|                     ReplicationStreamProtocolFactory(self),
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|                 )
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|                 for s in services:
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|                     reactor.addSystemEventTrigger("before", "shutdown", s.stopListening)
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|             elif listener.type == "metrics":
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|                 if not self.config.enable_metrics:
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|                     logger.warning(
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|                         (
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|                             "Metrics listener configured, but "
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|                             "enable_metrics is not True!"
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|                         )
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|                     )
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|                 else:
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|                     _base.listen_metrics(listener.bind_addresses, listener.port)
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|             else:
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|                 # this shouldn't happen, as the listener type should have been checked
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|                 # during parsing
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|                 logger.warning("Unrecognized listener type: %s", listener.type)
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| 
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| 
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| def setup(config_options):
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|     """
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|     Args:
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|         config_options_options: The options passed to Synapse. Usually
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|             `sys.argv[1:]`.
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| 
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|     Returns:
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|         HomeServer
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|     """
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|     try:
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|         config = HomeServerConfig.load_or_generate_config(
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|             "Synapse Homeserver", config_options
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|         )
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|     except ConfigError as e:
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|         sys.stderr.write("\n")
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|         for f in format_config_error(e):
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|             sys.stderr.write(f)
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|         sys.stderr.write("\n")
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|         sys.exit(1)
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| 
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|     if not config:
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|         # If a config isn't returned, and an exception isn't raised, we're just
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|         # generating config files and shouldn't try to continue.
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|         sys.exit(0)
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| 
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|     events.USE_FROZEN_DICTS = config.use_frozen_dicts
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|     synapse.util.caches.TRACK_MEMORY_USAGE = config.caches.track_memory_usage
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| 
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|     if config.server.gc_seconds:
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|         synapse.metrics.MIN_TIME_BETWEEN_GCS = config.server.gc_seconds
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| 
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|     hs = SynapseHomeServer(
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|         config.server_name,
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|         config=config,
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|         version_string="Synapse/" + get_version_string(synapse),
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|     )
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| 
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|     synapse.config.logger.setup_logging(hs, config, use_worker_options=False)
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| 
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|     logger.info("Setting up server")
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| 
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|     try:
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|         hs.setup()
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|     except IncorrectDatabaseSetup as e:
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|         quit_with_error(str(e))
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|     except UpgradeDatabaseException as e:
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|         quit_with_error("Failed to upgrade database: %s" % (e,))
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| 
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|     async def do_acme() -> bool:
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|         """
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|         Reprovision an ACME certificate, if it's required.
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| 
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|         Returns:
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|             Whether the cert has been updated.
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|         """
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|         acme = hs.get_acme_handler()
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| 
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|         # Check how long the certificate is active for.
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|         cert_days_remaining = hs.config.is_disk_cert_valid(allow_self_signed=False)
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| 
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|         # We want to reprovision if cert_days_remaining is None (meaning no
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|         # certificate exists), or the days remaining number it returns
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|         # is less than our re-registration threshold.
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|         provision = False
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| 
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|         if (
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|             cert_days_remaining is None
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|             or cert_days_remaining < hs.config.acme_reprovision_threshold
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|         ):
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|             provision = True
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| 
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|         if provision:
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|             await acme.provision_certificate()
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| 
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|         return provision
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| 
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|     async def reprovision_acme():
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|         """
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|         Provision a certificate from ACME, if required, and reload the TLS
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|         certificate if it's renewed.
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|         """
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|         reprovisioned = await do_acme()
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|         if reprovisioned:
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|             _base.refresh_certificate(hs)
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| 
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|     async def start():
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|         # Run the ACME provisioning code, if it's enabled.
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|         if hs.config.acme_enabled:
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|             acme = hs.get_acme_handler()
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|             # Start up the webservices which we will respond to ACME
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|             # challenges with, and then provision.
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|             await acme.start_listening()
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|             await do_acme()
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| 
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|             # Check if it needs to be reprovisioned every day.
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|             hs.get_clock().looping_call(reprovision_acme, 24 * 60 * 60 * 1000)
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| 
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|         # Load the OIDC provider metadatas, if OIDC is enabled.
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|         if hs.config.oidc_enabled:
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|             oidc = hs.get_oidc_handler()
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|             # Loading the provider metadata also ensures the provider config is valid.
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|             await oidc.load_metadata()
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| 
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|         await _base.start(hs)
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| 
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|         hs.get_datastore().db_pool.updates.start_doing_background_updates()
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| 
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|     register_start(start)
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| 
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|     return hs
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| 
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| 
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| def format_config_error(e: ConfigError) -> Iterator[str]:
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|     """
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|     Formats a config error neatly
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| 
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|     The idea is to format the immediate error, plus the "causes" of those errors,
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|     hopefully in a way that makes sense to the user. For example:
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| 
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|         Error in configuration at 'oidc_config.user_mapping_provider.config.display_name_template':
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|           Failed to parse config for module 'JinjaOidcMappingProvider':
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|             invalid jinja template:
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|               unexpected end of template, expected 'end of print statement'.
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| 
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|     Args:
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|         e: the error to be formatted
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| 
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|     Returns: An iterator which yields string fragments to be formatted
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|     """
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|     yield "Error in configuration"
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| 
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|     if e.path:
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|         yield " at '%s'" % (".".join(e.path),)
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| 
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|     yield ":\n  %s" % (e.msg,)
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| 
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|     e = e.__cause__
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|     indent = 1
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|     while e:
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|         indent += 1
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|         yield ":\n%s%s" % ("  " * indent, str(e))
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|         e = e.__cause__
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| 
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| 
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| def run(hs):
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|     PROFILE_SYNAPSE = False
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|     if PROFILE_SYNAPSE:
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| 
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|         def profile(func):
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|             from cProfile import Profile
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|             from threading import current_thread
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| 
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|             def profiled(*args, **kargs):
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|                 profile = Profile()
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|                 profile.enable()
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|                 func(*args, **kargs)
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|                 profile.disable()
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|                 ident = current_thread().ident
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|                 profile.dump_stats(
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|                     "/tmp/%s.%s.%i.pstat" % (hs.hostname, func.__name__, ident)
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|                 )
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| 
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|             return profiled
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| 
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|         from twisted.python.threadpool import ThreadPool
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| 
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|         ThreadPool._worker = profile(ThreadPool._worker)
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|         reactor.run = profile(reactor.run)
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| 
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|     _base.start_reactor(
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|         "synapse-homeserver",
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|         soft_file_limit=hs.config.soft_file_limit,
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|         gc_thresholds=hs.config.gc_thresholds,
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|         pid_file=hs.config.pid_file,
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|         daemonize=hs.config.daemonize,
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|         print_pidfile=hs.config.print_pidfile,
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|         logger=logger,
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|     )
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| 
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| 
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| def main():
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|     with LoggingContext("main"):
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|         # check base requirements
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|         check_requirements()
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|         hs = setup(sys.argv[1:])
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|         run(hs)
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| 
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| 
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| if __name__ == "__main__":
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|     main()
 |