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Diffstat (limited to 'synapse/app/frontend_proxy.py')
| -rw-r--r-- | synapse/app/frontend_proxy.py | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/synapse/app/frontend_proxy.py b/synapse/app/frontend_proxy.py new file mode 100644 index 0000000000..bee4c47498 --- /dev/null +++ b/synapse/app/frontend_proxy.py @@ -0,0 +1,239 @@ +#!/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 + +import synapse +from synapse import events +from synapse.api.errors import SynapseError +from synapse.app import _base +from synapse.config._base import ConfigError +from synapse.config.homeserver import HomeServerConfig +from synapse.config.logger import setup_logging +from synapse.crypto import context_factory +from synapse.http.server import JsonResource +from synapse.http.servlet import ( + RestServlet, parse_json_object_from_request, +) +from synapse.http.site import SynapseSite +from synapse.metrics.resource import METRICS_PREFIX, MetricsResource +from synapse.replication.slave.storage._base import BaseSlavedStore +from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore +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 +from synapse.replication.tcp.client import ReplicationClientHandler +from synapse.rest.client.v2_alpha._base import client_v2_patterns +from synapse.server import HomeServer +from synapse.storage.engines import create_engine +from synapse.util.httpresourcetree import create_resource_tree +from synapse.util.logcontext import LoggingContext +from synapse.util.manhole import manhole +from synapse.util.versionstring import get_version_string +from twisted.internet import defer, reactor +from twisted.web.resource import Resource + +logger = logging.getLogger("synapse.app.frontend_proxy") + + +class KeyUploadServlet(RestServlet): + PATTERNS = client_v2_patterns("/keys/upload(/(?P<device_id>[^/]+))?$", + releases=()) + + 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. + 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) + else: + device_id = requester.device_id + + if device_id is None: + raise SynapseError( + 400, + "To upload keys, you must pass device_id when authenticating" + ) + + if body: + # They're actually trying to upload something, proxy to main synapse. + result = yield self.http_client.post_json_get_json( + self.main_uri + request.uri, + body, + ) + + defer.returnValue((200, result)) + else: + # Just interested in counts. + result = yield self.store.count_e2e_one_time_keys(user_id, device_id) + defer.returnValue((200, {"one_time_key_counts": result})) + + +class FrontendProxySlavedStore( + SlavedDeviceStore, + SlavedClientIpStore, + SlavedApplicationServiceStore, + SlavedRegistrationStore, + BaseSlavedStore, +): + pass + + +class FrontendProxyServer(HomeServer): + def get_db_conn(self, run_new_connection=True): + # 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 setup(self): + logger.info("Setting up.") + self.datastore = FrontendProxySlavedStore(self.get_db_conn(), self) + logger.info("Finished setting up.") + + 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(self) + elif name == "client": + resource = JsonResource(self, canonical_json=False) + KeyUploadServlet(self).register(resource) + resources.update({ + "/_matrix/client/r0": resource, + "/_matrix/client/unstable": resource, + "/_matrix/client/v2_alpha": resource, + "/_matrix/client/api/v1": resource, + }) + + root_resource = create_resource_tree(resources, Resource()) + + for address in bind_addresses: + reactor.listenTCP( + port, + SynapseSite( + "synapse.access.http.%s" % (site_tag,), + site_tag, + listener_config, + root_resource, + ), + interface=address + ) + + 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": + bind_addresses = listener["bind_addresses"] + + for address in bind_addresses: + reactor.listenTCP( + listener["port"], + manhole( + username="matrix", + password="rabbithole", + globals={"hs": self}, + ), + interface=address + ) + 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: + config = HomeServerConfig.load_config( + "Synapse frontend proxy", config_options + ) + except ConfigError as e: + sys.stderr.write("\n" + e.message + "\n") + sys.exit(1) + + assert config.worker_app == "synapse.app.frontend_proxy" + + assert config.worker_main_http_uri is not None + + setup_logging(config, use_worker_options=True) + + events.USE_FROZEN_DICTS = config.use_frozen_dicts + + database_engine = create_engine(config.database_config) + + tls_server_context_factory = context_factory.ServerContextFactory(config) + + ss = FrontendProxyServer( + config.server_name, + db_config=config.database_config, + tls_server_context_factory=tls_server_context_factory, + config=config, + version_string="Synapse/" + get_version_string(synapse), + database_engine=database_engine, + ) + + ss.setup() + ss.get_handlers() + ss.start_listening(config.worker_listeners) + + def start(): + ss.get_state_handler().start_caching() + ss.get_datastore().start_profiling() + + reactor.callWhenRunning(start) + + _base.start_worker_reactor("synapse-frontend-proxy", config) + + +if __name__ == '__main__': + with LoggingContext("main"): + start(sys.argv[1:]) |