forked-synapse/synapse/app/frontend_proxy.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# 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.
import logging
import sys
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from twisted.internet import defer, reactor
from twisted.web.resource import NoResource
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import synapse
from synapse import events
from synapse.api.errors import HttpResponseException, SynapseError
from synapse.app import _base
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from synapse.config._base import ConfigError
from synapse.config.homeserver import HomeServerConfig
from synapse.config.logger import setup_logging
from synapse.http.server import JsonResource
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from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.http.site import SynapseSite
from synapse.logging.context import LoggingContext
from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
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from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
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from synapse.replication.slave.storage.client_ips import SlavedClientIpStore
from synapse.replication.slave.storage.devices import SlavedDeviceStore
from synapse.replication.slave.storage.registration import SlavedRegistrationStore
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from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.rest.client.v2_alpha._base import client_patterns
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from synapse.server import HomeServer
from synapse.storage.engines import create_engine
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.manhole import manhole
from synapse.util.versionstring import get_version_string
logger = logging.getLogger("synapse.app.frontend_proxy")
class PresenceStatusStubServlet(RestServlet):
PATTERNS = client_patterns("/presence/(?P<user_id>[^/]*)/status")
def __init__(self, hs):
super(PresenceStatusStubServlet, self).__init__()
self.http_client = hs.get_simple_http_client()
self.auth = hs.get_auth()
self.main_uri = hs.config.worker_main_http_uri
@defer.inlineCallbacks
def on_GET(self, request, user_id):
# Pass through the auth headers, if any, in case the access token
# is there.
auth_headers = request.requestHeaders.getRawHeaders("Authorization", [])
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headers = {"Authorization": auth_headers}
try:
result = yield self.http_client.get_json(
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self.main_uri + request.uri.decode("ascii"), headers=headers
)
except HttpResponseException as e:
raise e.to_synapse_error()
return 200, result
@defer.inlineCallbacks
def on_PUT(self, request, user_id):
yield self.auth.get_user_by_req(request)
return 200, {}
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class KeyUploadServlet(RestServlet):
PATTERNS = client_patterns("/keys/upload(/(?P<device_id>[^/]+))?$")
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def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer): server
"""
super(KeyUploadServlet, self).__init__()
self.auth = hs.get_auth()
self.store = hs.get_datastore()
self.http_client = hs.get_simple_http_client()
self.main_uri = hs.config.worker_main_http_uri
@defer.inlineCallbacks
def on_POST(self, request, device_id):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
user_id = requester.user.to_string()
body = parse_json_object_from_request(request)
if device_id is not None:
# passing the device_id here is deprecated; however, we allow it
# for now for compatibility with older clients.
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if requester.device_id is not None and device_id != requester.device_id:
logger.warning(
"Client uploading keys for a different device "
"(logged in as %s, uploading for %s)",
requester.device_id,
device_id,
)
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else:
device_id = requester.device_id
if device_id is None:
raise SynapseError(
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400, "To upload keys, you must pass device_id when authenticating"
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)
if body:
# They're actually trying to upload something, proxy to main synapse.
# Pass through the auth headers, if any, in case the access token
# is there.
auth_headers = request.requestHeaders.getRawHeaders(b"Authorization", [])
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headers = {"Authorization": auth_headers}
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result = yield self.http_client.post_json_get_json(
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self.main_uri + request.uri.decode("ascii"), body, headers=headers
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)
return 200, result
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else:
# Just interested in counts.
result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
return 200, {"one_time_key_counts": result}
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class FrontendProxySlavedStore(
SlavedDeviceStore,
SlavedClientIpStore,
SlavedApplicationServiceStore,
SlavedRegistrationStore,
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BaseSlavedStore,
):
pass
class FrontendProxyServer(HomeServer):
DATASTORE_CLASS = FrontendProxySlavedStore
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def _listen_http(self, listener_config):
port = listener_config["port"]
bind_addresses = listener_config["bind_addresses"]
site_tag = listener_config.get("tag", port)
resources = {}
for res in listener_config["resources"]:
for name in res["names"]:
if name == "metrics":
resources[METRICS_PREFIX] = MetricsResource(RegistryProxy)
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elif name == "client":
resource = JsonResource(self, canonical_json=False)
KeyUploadServlet(self).register(resource)
# If presence is disabled, use the stub servlet that does
# not allow sending presence
if not self.config.use_presence:
PresenceStatusStubServlet(self).register(resource)
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resources.update(
{
"/_matrix/client/r0": resource,
"/_matrix/client/unstable": resource,
"/_matrix/client/v2_alpha": resource,
"/_matrix/client/api/v1": resource,
}
)
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root_resource = create_resource_tree(resources, NoResource())
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_base.listen_tcp(
bind_addresses,
port,
SynapseSite(
"synapse.access.http.%s" % (site_tag,),
site_tag,
listener_config,
root_resource,
self.version_string,
),
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reactor=self.get_reactor(),
)
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logger.info("Synapse client reader now listening on port %d", port)
def start_listening(self, listeners):
for listener in listeners:
if listener["type"] == "http":
self._listen_http(listener)
elif listener["type"] == "manhole":
_base.listen_tcp(
listener["bind_addresses"],
listener["port"],
manhole(
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username="matrix", password="rabbithole", globals={"hs": self}
),
)
elif listener["type"] == "metrics":
if not self.get_config().enable_metrics:
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logger.warn(
(
"Metrics listener configured, but "
"enable_metrics is not True!"
)
)
else:
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_base.listen_metrics(listener["bind_addresses"], listener["port"])
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else:
logger.warn("Unrecognized listener type: %s", listener["type"])
self.get_tcp_replication().start_replication(self)
def build_tcp_replication(self):
return ReplicationClientHandler(self.get_datastore())
def start(config_options):
try:
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config = HomeServerConfig.load_config("Synapse frontend proxy", config_options)
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except ConfigError as e:
sys.stderr.write("\n" + str(e) + "\n")
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sys.exit(1)
assert config.worker_app == "synapse.app.frontend_proxy"
assert config.worker_main_http_uri is not None
events.USE_FROZEN_DICTS = config.use_frozen_dicts
database_engine = create_engine(config.database_config)
ss = FrontendProxyServer(
config.server_name,
db_config=config.database_config,
config=config,
version_string="Synapse/" + get_version_string(synapse),
database_engine=database_engine,
)
setup_logging(ss, config, use_worker_options=True)
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ss.setup()
reactor.addSystemEventTrigger(
"before", "startup", _base.start, ss, config.worker_listeners
)
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_base.start_worker_reactor("synapse-frontend-proxy", config)
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if __name__ == "__main__":
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with LoggingContext("main"):
start(sys.argv[1:])