614 lines
20 KiB
Python
Executable File
614 lines
20 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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sys.dont_write_bytecode = True
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from synapse.python_dependencies import check_requirements
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if __name__ == '__main__':
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check_requirements()
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from synapse.storage.engines import create_engine, IncorrectDatabaseSetup
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from synapse.storage import (
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are_all_users_on_domain, UpgradeDatabaseException,
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)
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from synapse.server import HomeServer
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from twisted.internet import reactor
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from twisted.application import service
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from twisted.enterprise import adbapi
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from twisted.web.resource import Resource, EncodingResourceWrapper
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from twisted.web.static import File
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from twisted.web.server import Site, GzipEncoderFactory, Request
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from twisted.web.http import proxiedLogFormatter, combinedLogFormatter
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from synapse.http.server import JsonResource, RootRedirect
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from synapse.rest.media.v0.content_repository import ContentRepoResource
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from synapse.rest.media.v1.media_repository import MediaRepositoryResource
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from synapse.rest.key.v1.server_key_resource import LocalKey
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from synapse.rest.key.v2 import KeyApiV2Resource
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from synapse.http.matrixfederationclient import MatrixFederationHttpClient
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from synapse.api.urls import (
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CLIENT_PREFIX, FEDERATION_PREFIX, WEB_CLIENT_PREFIX, CONTENT_REPO_PREFIX,
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SERVER_KEY_PREFIX, MEDIA_PREFIX, CLIENT_V2_ALPHA_PREFIX, STATIC_PREFIX,
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SERVER_KEY_V2_PREFIX,
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)
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from synapse.config.homeserver import HomeServerConfig
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from synapse.crypto import context_factory
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from synapse.util.logcontext import LoggingContext
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from synapse.rest.client.v1 import ClientV1RestResource
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from synapse.rest.client.v2_alpha import ClientV2AlphaRestResource
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from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
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from synapse import events
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from daemonize import Daemonize
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import twisted.manhole.telnet
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import synapse
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import logging
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import os
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import resource
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import subprocess
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logger = logging.getLogger("synapse.app.homeserver")
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class GzipFile(File):
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def getChild(self, path, request):
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child = File.getChild(self, path, request)
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return EncodingResourceWrapper(child, [GzipEncoderFactory()])
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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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def build_http_client(self):
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return MatrixFederationHttpClient(self)
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def build_resource_for_client(self):
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return ClientV1RestResource(self)
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def build_resource_for_client_v2_alpha(self):
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return ClientV2AlphaRestResource(self)
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def build_resource_for_federation(self):
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return JsonResource(self)
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def build_resource_for_web_client(self):
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import syweb
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syweb_path = os.path.dirname(syweb.__file__)
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webclient_path = os.path.join(syweb_path, "webclient")
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# GZip is disabled here due to
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# https://twistedmatrix.com/trac/ticket/7678
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# (It can stay enabled for the API resources: they call
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# write() with the whole body and then finish() straight
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# after and so do not trigger the bug.
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# return GzipFile(webclient_path) # TODO configurable?
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return File(webclient_path) # TODO configurable?
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def build_resource_for_static_content(self):
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# This is old and should go away: not going to bother adding gzip
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return File("static")
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def build_resource_for_content_repo(self):
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return ContentRepoResource(
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self, self.upload_dir, self.auth, self.content_addr
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)
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def build_resource_for_media_repository(self):
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return MediaRepositoryResource(self)
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def build_resource_for_server_key(self):
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return LocalKey(self)
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def build_resource_for_server_key_v2(self):
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return KeyApiV2Resource(self)
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def build_resource_for_metrics(self):
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if self.get_config().enable_metrics:
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return MetricsResource(self)
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else:
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return None
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def build_db_pool(self):
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name = self.db_config["name"]
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return adbapi.ConnectionPool(
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name,
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**self.db_config.get("args", {})
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)
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def _listener_http(self, config, listener_config):
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port = listener_config["port"]
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bind_address = listener_config.get("bind_address", "")
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tls = listener_config.get("tls", False)
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if tls and config.no_tls:
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return
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metrics_resource = self.get_resource_for_metrics()
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resources = {}
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for res in listener_config["resources"]:
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for name in res["names"]:
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if name == "client":
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if res["compress"]:
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client_v1 = gz_wrap(self.get_resource_for_client())
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client_v2 = gz_wrap(self.get_resource_for_client_v2_alpha())
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else:
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client_v1 = self.get_resource_for_client()
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client_v2 = self.get_resource_for_client_v2_alpha()
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resources.update({
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CLIENT_PREFIX: client_v1,
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CLIENT_V2_ALPHA_PREFIX: client_v2,
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})
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if name == "federation":
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resources.update({
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FEDERATION_PREFIX: self.get_resource_for_federation(),
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})
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if name in ["static", "client"]:
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resources.update({
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STATIC_PREFIX: self.get_resource_for_static_content(),
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})
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if name in ["media", "federation", "client"]:
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resources.update({
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MEDIA_PREFIX: self.get_resource_for_media_repository(),
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CONTENT_REPO_PREFIX: self.get_resource_for_content_repo(),
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})
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if name in ["keys", "federation"]:
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resources.update({
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SERVER_KEY_PREFIX: self.get_resource_for_server_key(),
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SERVER_KEY_V2_PREFIX: self.get_resource_for_server_key_v2(),
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})
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if name == "webclient":
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resources[WEB_CLIENT_PREFIX] = self.get_resource_for_web_client()
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if name == "metrics" and metrics_resource:
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resources[METRICS_PREFIX] = metrics_resource
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root_resource = create_resource_tree(resources)
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if tls:
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reactor.listenSSL(
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port,
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SynapseSite(
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"synapse.access.https",
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listener_config,
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root_resource,
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),
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self.tls_context_factory,
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interface=bind_address
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)
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else:
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reactor.listenTCP(
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port,
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SynapseSite(
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"synapse.access.https",
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listener_config,
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root_resource,
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),
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interface=bind_address
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)
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logger.info("Synapse now listening on port %d", port)
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def start_listening(self):
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config = self.get_config()
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for listener in config.listeners:
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if listener["type"] == "http":
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self._listener_http(config, listener)
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elif listener["type"] == "manhole":
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f = twisted.manhole.telnet.ShellFactory()
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f.username = "matrix"
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f.password = "rabbithole"
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f.namespace['hs'] = self
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reactor.listenTCP(
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listener["port"],
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f,
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interface=listener.get("bind_address", '127.0.0.1')
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)
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else:
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logger.warn("Unrecognized listener type: %s", listener["type"])
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def run_startup_checks(self, db_conn, database_engine):
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all_users_native = are_all_users_on_domain(
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db_conn.cursor(), database_engine, self.hostname
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)
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if not all_users_native:
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quit_with_error(
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"Found users in database not native to %s!\n"
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"You cannot changed a synapse server_name after it's been configured"
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% (self.hostname,)
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)
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try:
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database_engine.check_database(db_conn.cursor())
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except IncorrectDatabaseSetup as e:
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quit_with_error(e.message)
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def quit_with_error(error_string):
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message_lines = error_string.split("\n")
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line_length = max([len(l) for l in message_lines]) + 2
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sys.stderr.write("*" * line_length + '\n')
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for line in message_lines:
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if line.strip():
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sys.stderr.write(" %s\n" % (line.strip(),))
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sys.stderr.write("*" * line_length + '\n')
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sys.exit(1)
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def get_version_string():
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try:
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null = open(os.devnull, 'w')
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cwd = os.path.dirname(os.path.abspath(__file__))
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try:
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git_branch = subprocess.check_output(
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['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
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stderr=null,
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cwd=cwd,
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).strip()
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git_branch = "b=" + git_branch
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except subprocess.CalledProcessError:
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git_branch = ""
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try:
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git_tag = subprocess.check_output(
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['git', 'describe', '--exact-match'],
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stderr=null,
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cwd=cwd,
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).strip()
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git_tag = "t=" + git_tag
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except subprocess.CalledProcessError:
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git_tag = ""
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try:
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git_commit = subprocess.check_output(
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['git', 'rev-parse', '--short', 'HEAD'],
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stderr=null,
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cwd=cwd,
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).strip()
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except subprocess.CalledProcessError:
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git_commit = ""
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try:
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dirty_string = "-this_is_a_dirty_checkout"
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is_dirty = subprocess.check_output(
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['git', 'describe', '--dirty=' + dirty_string],
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stderr=null,
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cwd=cwd,
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).strip().endswith(dirty_string)
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git_dirty = "dirty" if is_dirty else ""
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except subprocess.CalledProcessError:
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git_dirty = ""
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if git_branch or git_tag or git_commit or git_dirty:
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git_version = ",".join(
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s for s in
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(git_branch, git_tag, git_commit, git_dirty,)
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if s
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)
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return (
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"Synapse/%s (%s)" % (
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synapse.__version__, git_version,
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)
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).encode("ascii")
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except Exception as e:
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logger.warn("Failed to check for git repository: %s", e)
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return ("Synapse/%s" % (synapse.__version__,)).encode("ascii")
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def change_resource_limit(soft_file_no):
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try:
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soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
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if not soft_file_no:
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soft_file_no = hard
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resource.setrlimit(resource.RLIMIT_NOFILE, (soft_file_no, hard))
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logger.info("Set file limit to: %d", soft_file_no)
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except (ValueError, resource.error) as e:
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logger.warn("Failed to set file limit: %s", e)
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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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should_run (bool): Whether to start the reactor.
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Returns:
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HomeServer
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"""
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config = HomeServerConfig.load_config(
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"Synapse Homeserver",
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config_options,
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generate_section="Homeserver"
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)
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config.setup_logging()
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# check any extra requirements we have now we have a config
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check_requirements(config)
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version_string = get_version_string()
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logger.info("Server hostname: %s", config.server_name)
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logger.info("Server version: %s", version_string)
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events.USE_FROZEN_DICTS = config.use_frozen_dicts
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tls_context_factory = context_factory.ServerContextFactory(config)
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database_engine = create_engine(config.database_config["name"])
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config.database_config["args"]["cp_openfun"] = database_engine.on_new_connection
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hs = SynapseHomeServer(
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config.server_name,
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upload_dir=os.path.abspath("uploads"),
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db_config=config.database_config,
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tls_context_factory=tls_context_factory,
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config=config,
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content_addr=config.content_addr,
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version_string=version_string,
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database_engine=database_engine,
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)
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logger.info("Preparing database: %r...", config.database_config)
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try:
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db_conn = database_engine.module.connect(
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**{
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k: v for k, v in config.database_config.get("args", {}).items()
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if not k.startswith("cp_")
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}
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)
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database_engine.prepare_database(db_conn)
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hs.run_startup_checks(db_conn, database_engine)
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db_conn.commit()
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except UpgradeDatabaseException:
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sys.stderr.write(
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"\nFailed to upgrade database.\n"
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"Have you checked for version specific instructions in"
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" UPGRADES.rst?\n"
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)
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sys.exit(1)
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logger.info("Database prepared in %r.", config.database_config)
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hs.start_listening()
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hs.get_pusherpool().start()
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hs.get_state_handler().start_caching()
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hs.get_datastore().start_profiling()
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hs.get_replication_layer().start_get_pdu_cache()
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return hs
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class SynapseService(service.Service):
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"""A twisted Service class that will start synapse. Used to run synapse
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via twistd and a .tac.
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"""
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def __init__(self, config):
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self.config = config
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def startService(self):
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hs = setup(self.config)
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change_resource_limit(hs.config.soft_file_limit)
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def stopService(self):
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return self._port.stopListening()
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class XForwardedForRequest(Request):
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def __init__(self, *args, **kw):
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Request.__init__(self, *args, **kw)
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"""
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Add a layer on top of another request that only uses the value of an
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X-Forwarded-For header as the result of C{getClientIP}.
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"""
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def getClientIP(self):
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"""
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@return: The client address (the first address) in the value of the
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I{X-Forwarded-For header}. If the header is not present, return
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C{b"-"}.
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"""
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return self.requestHeaders.getRawHeaders(
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b"x-forwarded-for", [b"-"])[0].split(b",")[0].strip()
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def XForwardedFactory(*args, **kwargs):
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return XForwardedForRequest(*args, **kwargs)
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class SynapseSite(Site):
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"""
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Subclass of a twisted http Site that does access logging with python's
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standard logging
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"""
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def __init__(self, logger_name, config, resource, *args, **kwargs):
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Site.__init__(self, resource, *args, **kwargs)
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if config.get("x_forwarded", False):
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self.requestFactory = XForwardedFactory
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self._log_formatter = proxiedLogFormatter
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else:
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self._log_formatter = combinedLogFormatter
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self.access_logger = logging.getLogger(logger_name)
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def log(self, request):
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line = self._log_formatter(self._logDateTime, request)
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self.access_logger.info(line)
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def create_resource_tree(desired_tree, redirect_root_to_web_client=True):
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"""Create the resource tree for this Home Server.
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This in unduly complicated because Twisted does not support putting
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child resources more than 1 level deep at a time.
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Args:
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web_client (bool): True to enable the web client.
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redirect_root_to_web_client (bool): True to redirect '/' to the
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location of the web client. This does nothing if web_client is not
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True.
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"""
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if redirect_root_to_web_client and WEB_CLIENT_PREFIX in desired_tree:
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root_resource = RootRedirect(WEB_CLIENT_PREFIX)
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else:
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root_resource = Resource()
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# ideally we'd just use getChild and putChild but getChild doesn't work
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# unless you give it a Request object IN ADDITION to the name :/ So
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# instead, we'll store a copy of this mapping so we can actually add
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# extra resources to existing nodes. See self._resource_id for the key.
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resource_mappings = {}
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for full_path, res in desired_tree.items():
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logger.info("Attaching %s to path %s", res, full_path)
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last_resource = root_resource
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for path_seg in full_path.split('/')[1:-1]:
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if path_seg not in last_resource.listNames():
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# resource doesn't exist, so make a "dummy resource"
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child_resource = Resource()
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last_resource.putChild(path_seg, child_resource)
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res_id = _resource_id(last_resource, path_seg)
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resource_mappings[res_id] = child_resource
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last_resource = child_resource
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else:
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# we have an existing Resource, use that instead.
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res_id = _resource_id(last_resource, path_seg)
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last_resource = resource_mappings[res_id]
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# ===========================
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# now attach the actual desired resource
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last_path_seg = full_path.split('/')[-1]
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# if there is already a resource here, thieve its children and
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# replace it
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res_id = _resource_id(last_resource, last_path_seg)
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if res_id in resource_mappings:
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# there is a dummy resource at this path already, which needs
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# to be replaced with the desired resource.
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existing_dummy_resource = resource_mappings[res_id]
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for child_name in existing_dummy_resource.listNames():
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child_res_id = _resource_id(
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existing_dummy_resource, child_name
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)
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child_resource = resource_mappings[child_res_id]
|
|
# steal the children
|
|
res.putChild(child_name, child_resource)
|
|
|
|
# finally, insert the desired resource in the right place
|
|
last_resource.putChild(last_path_seg, res)
|
|
res_id = _resource_id(last_resource, last_path_seg)
|
|
resource_mappings[res_id] = res
|
|
|
|
return root_resource
|
|
|
|
|
|
def _resource_id(resource, path_seg):
|
|
"""Construct an arbitrary resource ID so you can retrieve the mapping
|
|
later.
|
|
|
|
If you want to represent resource A putChild resource B with path C,
|
|
the mapping should looks like _resource_id(A,C) = B.
|
|
|
|
Args:
|
|
resource (Resource): The *parent* Resource
|
|
path_seg (str): The name of the child Resource to be attached.
|
|
Returns:
|
|
str: A unique string which can be a key to the child Resource.
|
|
"""
|
|
return "%s-%s" % (resource, path_seg)
|
|
|
|
|
|
def run(hs):
|
|
PROFILE_SYNAPSE = False
|
|
if PROFILE_SYNAPSE:
|
|
def profile(func):
|
|
from cProfile import Profile
|
|
from threading import current_thread
|
|
|
|
def profiled(*args, **kargs):
|
|
profile = Profile()
|
|
profile.enable()
|
|
func(*args, **kargs)
|
|
profile.disable()
|
|
ident = current_thread().ident
|
|
profile.dump_stats("/tmp/%s.%s.%i.pstat" % (
|
|
hs.hostname, func.__name__, ident
|
|
))
|
|
|
|
return profiled
|
|
|
|
from twisted.python.threadpool import ThreadPool
|
|
ThreadPool._worker = profile(ThreadPool._worker)
|
|
reactor.run = profile(reactor.run)
|
|
|
|
def in_thread():
|
|
with LoggingContext("run"):
|
|
change_resource_limit(hs.config.soft_file_limit)
|
|
reactor.run()
|
|
|
|
if hs.config.daemonize:
|
|
|
|
print hs.config.pid_file
|
|
|
|
daemon = Daemonize(
|
|
app="synapse-homeserver",
|
|
pid=hs.config.pid_file,
|
|
action=lambda: in_thread(),
|
|
auto_close_fds=False,
|
|
verbose=True,
|
|
logger=logger,
|
|
)
|
|
|
|
daemon.start()
|
|
else:
|
|
in_thread()
|
|
|
|
|
|
def main():
|
|
with LoggingContext("main"):
|
|
# check base requirements
|
|
check_requirements()
|
|
hs = setup(sys.argv[1:])
|
|
run(hs)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|