synapse-product/synapse/app/homeserver.py

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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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import synapse
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import gc
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import logging
import os
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import sys
import synapse.config.logger
from synapse.config._base import ConfigError
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from synapse.python_dependencies import (
check_requirements, CONDITIONAL_REQUIREMENTS
)
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from synapse.rest import ClientRestResource
from synapse.storage.engines import create_engine, IncorrectDatabaseSetup
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from synapse.storage import are_all_users_on_domain
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, defer
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from twisted.application import service
from twisted.web.resource import Resource, EncodingResourceWrapper
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
from synapse.rest.media.v0.content_repository import ContentRepoResource
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
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,
)
from synapse.config.homeserver import HomeServerConfig
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from synapse.crypto import context_factory
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
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from synapse.metrics import register_memory_metrics
from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
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from synapse.federation.transport.server import TransportLayerServer
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from synapse.util.rlimit import change_resource_limit
from synapse.util.versionstring import get_version_string
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.manhole import manhole
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from synapse.http.site import SynapseSite
from synapse import events
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from daemonize import Daemonize
logger = logging.getLogger("synapse.app.homeserver")
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def gz_wrap(r):
return EncodingResourceWrapper(r, [GzipEncoderFactory()])
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def build_resource_for_web_client(hs):
webclient_path = hs.get_config().web_client_location
if not webclient_path:
try:
import syweb
except ImportError:
quit_with_error(
"Could not find a webclient.\n\n"
"Please either install the matrix-angular-sdk or configure\n"
"the location of the source to serve via the configuration\n"
"option `web_client_location`\n\n"
"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"
"You can also disable hosting of the webclient via the\n"
"configuration option `web_client`\n"
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% {"dep": CONDITIONAL_REQUIREMENTS["web_client"].keys()[0]}
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)
syweb_path = os.path.dirname(syweb.__file__)
webclient_path = os.path.join(syweb_path, "webclient")
# GZip is disabled here due to
# https://twistedmatrix.com/trac/ticket/7678
# (It can stay enabled for the API resources: they call
# write() with the whole body and then finish() straight
# after and so do not trigger the bug.
# GzipFile was removed in commit 184ba09
# return GzipFile(webclient_path) # TODO configurable?
return File(webclient_path) # TODO configurable?
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class SynapseHomeServer(HomeServer):
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def _listener_http(self, config, listener_config):
port = listener_config["port"]
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bind_addresses = listener_config["bind_addresses"]
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tls = listener_config.get("tls", False)
site_tag = listener_config.get("tag", port)
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if tls and config.no_tls:
return
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resources = {}
for res in listener_config["resources"]:
for name in res["names"]:
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,
"/_matrix/client/r0": client_resource,
"/_matrix/client/unstable": client_resource,
"/_matrix/client/v2_alpha": client_resource,
"/_matrix/client/versions": client_resource,
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})
if name == "federation":
resources.update({
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FEDERATION_PREFIX: TransportLayerServer(self),
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})
if name in ["static", "client"]:
resources.update({
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STATIC_PREFIX: File(
os.path.join(os.path.dirname(synapse.__file__), "static")
),
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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,
LEGACY_MEDIA_PREFIX: media_repo,
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CONTENT_REPO_PREFIX: ContentRepoResource(
self, self.config.uploads_path
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),
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})
if name in ["keys", "federation"]:
resources.update({
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SERVER_KEY_PREFIX: LocalKey(self),
SERVER_KEY_V2_PREFIX: KeyApiV2Resource(self),
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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:
resources[METRICS_PREFIX] = MetricsResource(self)
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if WEB_CLIENT_PREFIX in resources:
root_resource = RootRedirect(WEB_CLIENT_PREFIX)
else:
root_resource = Resource()
root_resource = create_resource_tree(resources, root_resource)
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if tls:
for address in bind_addresses:
reactor.listenSSL(
port,
SynapseSite(
"synapse.access.https.%s" % (site_tag,),
site_tag,
listener_config,
root_resource,
),
self.tls_server_context_factory,
interface=address
)
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else:
for address in bind_addresses:
reactor.listenTCP(
port,
SynapseSite(
"synapse.access.http.%s" % (site_tag,),
site_tag,
listener_config,
root_resource,
),
interface=address
)
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logger.info("Synapse now listening on port %d", port)
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def start_listening(self):
config = self.get_config()
for listener in config.listeners:
if listener["type"] == "http":
self._listener_http(config, listener)
elif listener["type"] == "manhole":
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bind_addresses = listener["bind_addresses"]
for address in bind_addresses:
reactor.listenTCP(
listener["port"],
manhole(
username="matrix",
password="rabbithole",
globals={"hs": self},
),
interface=address
)
elif listener["type"] == "replication":
bind_addresses = listener["bind_addresses"]
for address in bind_addresses:
factory = ReplicationStreamProtocolFactory(self)
server_listener = reactor.listenTCP(
listener["port"], factory, interface=address
)
reactor.addSystemEventTrigger(
"before", "shutdown", server_listener.stopListening,
)
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else:
logger.warn("Unrecognized listener type: %s", listener["type"])
def run_startup_checks(self, db_conn, database_engine):
all_users_native = are_all_users_on_domain(
db_conn.cursor(), database_engine, self.hostname
)
if not all_users_native:
quit_with_error(
"Found users in database not native to %s!\n"
"You cannot changed a synapse server_name after it's been configured"
% (self.hostname,)
)
try:
database_engine.check_database(db_conn.cursor())
except IncorrectDatabaseSetup as e:
quit_with_error(e.message)
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
# not be passed to the database engine.
db_params = {
k: v for k, v in self.db_config.get("args", {}).items()
if not k.startswith("cp_")
}
db_conn = self.database_engine.module.connect(**db_params)
if run_new_connection:
self.database_engine.on_new_connection(db_conn)
return db_conn
def quit_with_error(error_string):
message_lines = error_string.split("\n")
line_length = max([len(l) for l in message_lines if len(l) < 80]) + 2
sys.stderr.write("*" * line_length + '\n')
for line in message_lines:
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sys.stderr.write(" %s\n" % (line.rstrip(),))
sys.stderr.write("*" * line_length + '\n')
sys.exit(1)
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def setup(config_options):
"""
Args:
config_options_options: The options passed to Synapse. Usually
`sys.argv[1:]`.
Returns:
HomeServer
"""
try:
config = HomeServerConfig.load_or_generate_config(
"Synapse Homeserver",
config_options,
)
except ConfigError as e:
sys.stderr.write("\n" + e.message + "\n")
sys.exit(1)
if not config:
# If a config isn't returned, and an exception isn't raised, we're just
# generating config files and shouldn't try to continue.
sys.exit(0)
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synapse.config.logger.setup_logging(config, use_worker_options=False)
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# check any extra requirements we have now we have a config
check_requirements(config)
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version_string = "Synapse/" + get_version_string(synapse)
logger.info("Server hostname: %s", config.server_name)
logger.info("Server version: %s", version_string)
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events.USE_FROZEN_DICTS = config.use_frozen_dicts
tls_server_context_factory = context_factory.ServerContextFactory(config)
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database_engine = create_engine(config.database_config)
config.database_config["args"]["cp_openfun"] = database_engine.on_new_connection
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hs = SynapseHomeServer(
config.server_name,
db_config=config.database_config,
tls_server_context_factory=tls_server_context_factory,
config=config,
version_string=version_string,
database_engine=database_engine,
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)
logger.info("Preparing database: %s...", config.database_config['name'])
try:
db_conn = hs.get_db_conn(run_new_connection=False)
prepare_database(db_conn, database_engine, config=config)
database_engine.on_new_connection(db_conn)
hs.run_startup_checks(db_conn, database_engine)
db_conn.commit()
except UpgradeDatabaseException:
sys.stderr.write(
"\nFailed to upgrade database.\n"
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"Have you checked for version specific instructions in"
" UPGRADES.rst?\n"
)
sys.exit(1)
logger.info("Database prepared in %s.", config.database_config['name'])
hs.setup()
hs.start_listening()
def start():
hs.get_pusherpool().start()
hs.get_state_handler().start_caching()
hs.get_datastore().start_profiling()
hs.get_datastore().start_doing_background_updates()
hs.get_replication_layer().start_get_pdu_cache()
register_memory_metrics(hs)
reactor.callWhenRunning(start)
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return hs
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class SynapseService(service.Service):
"""A twisted Service class that will start synapse. Used to run synapse
via twistd and a .tac.
"""
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def __init__(self, config):
self.config = config
def startService(self):
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hs = setup(self.config)
change_resource_limit(hs.config.soft_file_limit)
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if hs.config.gc_thresholds:
gc.set_threshold(*hs.config.gc_thresholds)
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def stopService(self):
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:
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)
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clock = hs.get_clock()
start_time = clock.time()
stats = {}
@defer.inlineCallbacks
def phone_stats_home():
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logger.info("Gathering stats for reporting")
now = int(hs.get_clock().time())
uptime = int(now - start_time)
if uptime < 0:
uptime = 0
stats["homeserver"] = hs.config.server_name
stats["timestamp"] = now
stats["uptime_seconds"] = uptime
stats["total_users"] = yield hs.get_datastore().count_all_users()
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total_nonbridged_users = yield hs.get_datastore().count_nonbridged_users()
stats["total_nonbridged_users"] = total_nonbridged_users
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room_count = yield hs.get_datastore().get_room_count()
stats["total_room_count"] = room_count
stats["daily_active_users"] = yield hs.get_datastore().count_daily_users()
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stats["daily_active_rooms"] = yield hs.get_datastore().count_daily_active_rooms()
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stats["daily_messages"] = yield hs.get_datastore().count_daily_messages()
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daily_sent_messages = yield hs.get_datastore().count_daily_sent_messages()
stats["daily_sent_messages"] = daily_sent_messages
logger.info("Reporting stats to matrix.org: %s" % (stats,))
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try:
yield hs.get_simple_http_client().put_json(
"https://matrix.org/report-usage-stats/push",
stats
)
except Exception as e:
logger.warn("Error reporting stats: %s", e)
if hs.config.report_stats:
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logger.info("Scheduling stats reporting for 3 hour intervals")
clock.looping_call(phone_stats_home, 3 * 60 * 60 * 1000)
# We wait 5 minutes to send the first set of stats as the server can
# be quite busy the first few minutes
clock.call_later(5 * 60, phone_stats_home)
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def in_thread():
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# Uncomment to enable tracing of log context changes.
# sys.settrace(logcontext_tracer)
# make sure that we run the reactor with the sentinel log context,
# otherwise other PreserveLoggingContext instances will get confused
# and complain when they see the logcontext arbitrarily swapping
# between the sentinel and `run` logcontexts.
with PreserveLoggingContext():
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change_resource_limit(hs.config.soft_file_limit)
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if hs.config.gc_thresholds:
gc.set_threshold(*hs.config.gc_thresholds)
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reactor.run()
if hs.config.daemonize:
if hs.config.print_pidfile:
print (hs.config.pid_file)
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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:
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in_thread()
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def main():
with LoggingContext("main"):
# check base requirements
check_requirements()
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hs = setup(sys.argv[1:])
run(hs)
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if __name__ == '__main__':
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main()