502 lines
18 KiB
Python
502 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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import logging
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import os
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import sys
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from typing import Iterable, Iterator
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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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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 listen_ssl, listen_tcp, quit_with_error, register_start
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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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logger = logging.getLogger("synapse.app.homeserver")
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def gz_wrap(r):
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return EncodingResourceWrapper(r, [GzipEncoderFactory()])
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class SynapseHomeServer(HomeServer):
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DATASTORE_CLASS = DataStore
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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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# We always include a health resource.
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resources = {"/health": HealthResource()}
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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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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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# 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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root_resource = create_resource_tree(resources, root_resource)
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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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SynapseSite(
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"synapse.access.https.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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self.version_string,
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),
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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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else:
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ports = listen_tcp(
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bind_addresses,
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port,
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SynapseSite(
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"synapse.access.http.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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self.version_string,
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),
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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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return ports
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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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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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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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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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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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resources[
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"/_synapse/client/password_reset/email/submit_token"
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] = PasswordResetSubmitTokenResource(self)
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if name == "consent":
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from synapse.rest.consent.consent_resource import ConsentResource
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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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if name == "federation":
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resources.update({FEDERATION_PREFIX: TransportLayerServer(self)})
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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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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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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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if name in ["keys", "federation"]:
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resources[SERVER_KEY_V2_PREFIX] = KeyApiV2Resource(self)
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if name == "webclient":
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webclient_loc = self.config.web_client_location
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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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if name == "metrics" and self.config.enable_metrics:
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resources[METRICS_PREFIX] = MetricsResource(RegistryProxy)
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if name == "replication":
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resources[REPLICATION_PREFIX] = ReplicationRestResource(self)
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return resources
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def start_listening(self, listeners: Iterable[ListenerConfig]):
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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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for listener in 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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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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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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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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events.USE_FROZEN_DICTS = config.use_frozen_dicts
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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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synapse.config.logger.setup_logging(hs, config, use_worker_options=False)
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logger.info("Setting up server")
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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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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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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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# 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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# 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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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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if provision:
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await acme.provision_certificate()
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return provision
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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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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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# 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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# 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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await _base.start(hs, config.listeners)
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hs.get_datastore().db_pool.updates.start_doing_background_updates()
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register_start(start)
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return hs
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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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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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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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Args:
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e: the error to be formatted
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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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if e.path:
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yield " at '%s'" % (".".join(e.path),)
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yield ":\n %s" % (e.msg,)
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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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def run(hs):
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PROFILE_SYNAPSE = False
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if PROFILE_SYNAPSE:
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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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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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return profiled
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from twisted.python.threadpool import ThreadPool
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ThreadPool._worker = profile(ThreadPool._worker)
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reactor.run = profile(reactor.run)
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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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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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if __name__ == "__main__":
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main()
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