433 lines
16 KiB
Python
433 lines
16 KiB
Python
# 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 Dict, Iterable, List
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from twisted.internet.tcp import Port
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from twisted.web.resource import EncodingResourceWrapper, Resource
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from twisted.web.server import GzipEncoderFactory
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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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CLIENT_API_PREFIX,
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FEDERATION_PREFIX,
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LEGACY_MEDIA_PREFIX,
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MEDIA_R0_PREFIX,
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MEDIA_V3_PREFIX,
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SERVER_KEY_V2_PREFIX,
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STATIC_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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handle_startup_exception,
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listen_ssl,
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listen_tcp,
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max_request_body_size,
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redirect_stdio_to_logs,
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register_start,
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)
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from synapse.config._base import ConfigError, format_config_error
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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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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.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 well_known_resource
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from synapse.server import HomeServer
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from synapse.storage import DataStore
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from synapse.util.check_dependencies import VERSION, check_requirements
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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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logger = logging.getLogger("synapse.app.homeserver")
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def gz_wrap(r: Resource) -> Resource:
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return EncodingResourceWrapper(r, [GzipEncoderFactory()])
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class SynapseHomeServer(HomeServer):
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DATASTORE_CLASS = DataStore # type: ignore
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def _listener_http(
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self, config: HomeServerConfig, listener_config: ListenerConfig
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) -> Iterable[Port]:
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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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# Must exist since this is an HTTP listener.
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assert listener_config.http_options is not None
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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: Dict[str, Resource] = {"/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 isinstance(handler, Resource):
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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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# Attach additional resources registered by modules.
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resources.update(self._module_web_resources)
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self._module_web_resources_consumed = True
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# Try to find something useful to serve at '/':
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#
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# 1. Redirect to the web client if it is an HTTP(S) URL.
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# 2. Redirect to the static "Synapse is running" page.
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# 3. Do not redirect and use a blank resource.
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if self.config.server.web_client_location:
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root_resource: Resource = RootOptionsRedirectResource(
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self.config.server.web_client_location
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)
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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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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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if tls:
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# refresh_certificate should have been called before this.
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assert self.tls_server_context_factory is not None
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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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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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return ports
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def _configure_named_resource(
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self, name: str, compress: bool = False
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) -> Dict[str, Resource]:
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"""Build a resource map for a named resource
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Args:
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name: named resource: one of "client", "federation", etc
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compress: whether to enable gzip compression for this resource
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Returns:
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map from path to HTTP resource
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"""
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resources: Dict[str, Resource] = {}
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if name == "client":
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client_resource: 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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CLIENT_API_PREFIX: client_resource,
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"/.well-known": well_known_resource(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.email.can_verify_email:
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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: 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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federation_resource: Resource = TransportLayerServer(self)
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if compress:
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federation_resource = gz_wrap(federation_resource)
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resources.update({FEDERATION_PREFIX: federation_resource})
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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.server.enable_media_repo:
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media_repo = self.get_media_repository_resource()
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resources.update(
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{
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MEDIA_R0_PREFIX: media_repo,
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MEDIA_V3_PREFIX: media_repo,
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LEGACY_MEDIA_PREFIX: media_repo,
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}
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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 == "metrics" and self.config.metrics.enable_metrics:
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metrics_resource: Resource = MetricsResource(RegistryProxy)
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if compress:
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metrics_resource = gz_wrap(metrics_resource)
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resources[METRICS_PREFIX] = metrics_resource
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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) -> None:
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if self.config.redis.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_replication_command_handler().start_replication(self)
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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,
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listener.port,
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manhole_settings=self.config.server.manhole_settings,
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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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self.get_reactor().addSystemEventTrigger(
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"before", "shutdown", s.stopListening
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)
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elif listener.type == "metrics":
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if not self.config.metrics.enable_metrics:
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logger.warning(
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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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else:
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_base.listen_metrics(
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listener.bind_addresses,
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listener.port,
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enable_legacy_metric_names=self.config.metrics.enable_legacy_metrics,
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)
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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: List[str]) -> SynapseHomeServer:
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"""
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Args:
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config_options_options: The options passed to Synapse. Usually `sys.argv[1:]`.
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Returns:
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A homeserver instance.
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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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if config.worker.worker_app:
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raise ConfigError(
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"You have specified `worker_app` in the config but are attempting to start a non-worker "
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"instance. Please use `python -m synapse.app.generic_worker` instead (or remove the option if this is the main process)."
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)
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sys.exit(1)
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events.USE_FROZEN_DICTS = config.server.use_frozen_dicts
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synapse.util.caches.TRACK_MEMORY_USAGE = config.caches.track_memory_usage
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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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if (
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config.registration.enable_registration
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and not config.registration.enable_registration_without_verification
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):
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if (
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not config.captcha.enable_registration_captcha
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and not config.registration.registrations_require_3pid
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and not config.registration.registration_requires_token
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):
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raise ConfigError(
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"You have enabled open registration without any verification. This is a known vector for "
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"spam and abuse. If you would like to allow public registration, please consider adding email, "
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"captcha, or token-based verification. Otherwise this check can be removed by setting the "
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"`enable_registration_without_verification` config option to `true`."
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)
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hs = SynapseHomeServer(
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config.server.server_name,
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config=config,
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version_string=f"Synapse/{VERSION}",
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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 Exception as e:
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handle_startup_exception(e)
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async def start() -> None:
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# Load the OIDC provider metadatas, if OIDC is enabled.
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if hs.config.oidc.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)
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hs.get_datastores().main.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 run(hs: HomeServer) -> None:
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_base.start_reactor(
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"synapse-homeserver",
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soft_file_limit=hs.config.server.soft_file_limit,
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gc_thresholds=hs.config.server.gc_thresholds,
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pid_file=hs.config.server.pid_file,
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daemonize=hs.config.server.daemonize,
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print_pidfile=hs.config.server.print_pidfile,
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logger=logger,
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)
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def main() -> None:
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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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# redirect stdio to the logs, if configured.
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if not hs.config.logging.no_redirect_stdio:
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redirect_stdio_to_logs()
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run(hs)
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if __name__ == "__main__":
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main()
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