462 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			462 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import synapse
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import gc
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import logging
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import os
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import sys
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from synapse.config._base import ConfigError
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from synapse.python_dependencies import (
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    check_requirements, DEPENDENCY_LINKS
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)
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from synapse.rest import ClientRestResource
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from synapse.storage.engines import create_engine, IncorrectDatabaseSetup
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from synapse.storage import are_all_users_on_domain
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from synapse.storage.prepare_database import UpgradeDatabaseException, prepare_database
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from synapse.server import HomeServer
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from twisted.internet import reactor, task, defer
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from twisted.application import service
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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 GzipEncoderFactory
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from synapse.http.server import 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.api.urls import (
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    FEDERATION_PREFIX, WEB_CLIENT_PREFIX, CONTENT_REPO_PREFIX,
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    SERVER_KEY_PREFIX, LEGACY_MEDIA_PREFIX, MEDIA_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.metrics import register_memory_metrics
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from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
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from synapse.replication.resource import ReplicationResource, REPLICATION_PREFIX
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from synapse.federation.transport.server import TransportLayerServer
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from synapse.util.rlimit import change_resource_limit
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from synapse.util.versionstring import get_version_string
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from synapse.util.httpresourcetree import create_resource_tree
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from synapse.util.manhole import manhole
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from synapse.http.site import SynapseSite
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from synapse import events
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from daemonize import Daemonize
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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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def build_resource_for_web_client(hs):
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    webclient_path = hs.get_config().web_client_location
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    if not webclient_path:
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        try:
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            import syweb
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        except ImportError:
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            quit_with_error(
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                "Could not find a webclient.\n\n"
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                "Please either install the matrix-angular-sdk or configure\n"
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                "the location of the source to serve via the configuration\n"
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                "option `web_client_location`\n\n"
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                "To install the `matrix-angular-sdk` via pip, run:\n\n"
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                "    pip install '%(dep)s'\n"
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                "\n"
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                "You can also disable hosting of the webclient via the\n"
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                "configuration option `web_client`\n"
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                % {"dep": DEPENDENCY_LINKS["matrix-angular-sdk"]}
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            )
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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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    # GzipFile was removed in commit 184ba09
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    # return GzipFile(webclient_path)  # TODO configurable?
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    return File(webclient_path)  # TODO configurable?
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class SynapseHomeServer(HomeServer):
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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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        site_tag = listener_config.get("tag", port)
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        if tls and config.no_tls:
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            return
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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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                    client_resource = ClientRestResource(self)
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                    if res["compress"]:
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                        client_resource = gz_wrap(client_resource)
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                    resources.update({
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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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                    })
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                if name == "federation":
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                    resources.update({
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                        FEDERATION_PREFIX: TransportLayerServer(self),
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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: File(
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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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                if name in ["media", "federation", "client"]:
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                    media_repo = MediaRepositoryResource(self)
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                    resources.update({
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                        MEDIA_PREFIX: media_repo,
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                        LEGACY_MEDIA_PREFIX: media_repo,
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                        CONTENT_REPO_PREFIX: ContentRepoResource(
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                            self, self.config.uploads_path
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                        ),
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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: LocalKey(self),
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                        SERVER_KEY_V2_PREFIX: KeyApiV2Resource(self),
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                    })
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                if name == "webclient":
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                    resources[WEB_CLIENT_PREFIX] = build_resource_for_web_client(self)
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                if name == "metrics" and self.get_config().enable_metrics:
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                    resources[METRICS_PREFIX] = MetricsResource(self)
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                if name == "replication":
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                    resources[REPLICATION_PREFIX] = ReplicationResource(self)
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        if WEB_CLIENT_PREFIX in resources:
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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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        root_resource = create_resource_tree(resources, root_resource)
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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.%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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                ),
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                self.tls_server_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.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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                ),
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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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                reactor.listenTCP(
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                    listener["port"],
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                    manhole(
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                        username="matrix",
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                        password="rabbithole",
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                        globals={"hs": self},
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                    ),
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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 get_db_conn(self, run_new_connection=True):
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        # Any param beginning with cp_ is a parameter for adbapi, and should
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        # not be passed to the database engine.
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        db_params = {
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            k: v for k, v in self.db_config.get("args", {}).items()
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            if not k.startswith("cp_")
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        }
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        db_conn = self.database_engine.module.connect(**db_params)
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        if run_new_connection:
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            self.database_engine.on_new_connection(db_conn)
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        return db_conn
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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 if len(l) < 80]) + 2
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    sys.stderr.write("*" * line_length + '\n')
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    for line in message_lines:
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        sys.stderr.write(" %s\n" % (line.rstrip(),))
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    sys.stderr.write("*" * line_length + '\n')
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    sys.exit(1)
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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",
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            config_options,
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        )
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    except ConfigError as e:
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        sys.stderr.write("\n" + e.message + "\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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    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("Synapse", synapse)
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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_server_context_factory = context_factory.ServerContextFactory(config)
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    database_engine = create_engine(config.database_config)
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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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        db_config=config.database_config,
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        tls_server_context_factory=tls_server_context_factory,
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        config=config,
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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: %s...", config.database_config['name'])
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    try:
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        db_conn = hs.get_db_conn(run_new_connection=False)
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        prepare_database(db_conn, database_engine, config=config)
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        database_engine.on_new_connection(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 %s.", config.database_config['name'])
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    hs.setup()
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    hs.start_listening()
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    def start():
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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_datastore().start_doing_background_updates()
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        hs.get_replication_layer().start_get_pdu_cache()
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        register_memory_metrics(hs)
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    reactor.callWhenRunning(start)
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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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        if hs.config.gc_thresholds:
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            gc.set_threshold(*hs.config.gc_thresholds)
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    def stopService(self):
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        return self._port.stopListening()
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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("/tmp/%s.%s.%i.pstat" % (
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                    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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    start_time = hs.get_clock().time()
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    @defer.inlineCallbacks
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    def phone_stats_home():
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        logger.info("Gathering stats for reporting")
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        now = int(hs.get_clock().time())
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        uptime = int(now - start_time)
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        if uptime < 0:
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            uptime = 0
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        stats = {}
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        stats["homeserver"] = hs.config.server_name
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        stats["timestamp"] = now
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        stats["uptime_seconds"] = uptime
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        stats["total_users"] = yield hs.get_datastore().count_all_users()
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        room_count = yield hs.get_datastore().get_room_count()
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        stats["total_room_count"] = room_count
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        stats["daily_active_users"] = yield hs.get_datastore().count_daily_users()
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        daily_messages = yield hs.get_datastore().count_daily_messages()
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        if daily_messages is not None:
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            stats["daily_messages"] = daily_messages
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        logger.info("Reporting stats to matrix.org: %s" % (stats,))
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        try:
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            yield hs.get_simple_http_client().put_json(
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                "https://matrix.org/report-usage-stats/push",
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                stats
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            )
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        except Exception as e:
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            logger.warn("Error reporting stats: %s", e)
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    if hs.config.report_stats:
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        phone_home_task = task.LoopingCall(phone_stats_home)
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        logger.info("Scheduling stats reporting for 24 hour intervals")
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        phone_home_task.start(60 * 60 * 24, now=False)
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    def in_thread():
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        # Uncomment to enable tracing of log context changes.
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        # sys.settrace(logcontext_tracer)
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        with LoggingContext("run"):
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            change_resource_limit(hs.config.soft_file_limit)
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            if hs.config.gc_thresholds:
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                gc.set_threshold(*hs.config.gc_thresholds)
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            reactor.run()
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    if hs.config.daemonize:
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        if hs.config.print_pidfile:
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            print (hs.config.pid_file)
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        daemon = Daemonize(
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            app="synapse-homeserver",
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            pid=hs.config.pid_file,
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            action=lambda: in_thread(),
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            auto_close_fds=False,
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            verbose=True,
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            logger=logger,
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        )
 | 
						|
 | 
						|
        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()
 |