diff options
Diffstat (limited to 'synapse/app/admin_cmd.py')
| -rw-r--r-- | synapse/app/admin_cmd.py | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/synapse/app/admin_cmd.py b/synapse/app/admin_cmd.py new file mode 100644 index 0000000000..1fd52a5526 --- /dev/null +++ b/synapse/app/admin_cmd.py @@ -0,0 +1,264 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# Copyright 2019 Matrix.org Foundation C.I.C. +# +# 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 argparse +import logging +import os +import sys +import tempfile + +from canonicaljson import json + +from twisted.internet import defer, task + +import synapse +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.handlers.admin import ExfiltrationWriter +from synapse.replication.slave.storage._base import BaseSlavedStore +from synapse.replication.slave.storage.account_data import SlavedAccountDataStore +from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore +from synapse.replication.slave.storage.client_ips import SlavedClientIpStore +from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore +from synapse.replication.slave.storage.devices import SlavedDeviceStore +from synapse.replication.slave.storage.events import SlavedEventStore +from synapse.replication.slave.storage.filtering import SlavedFilteringStore +from synapse.replication.slave.storage.groups import SlavedGroupServerStore +from synapse.replication.slave.storage.presence import SlavedPresenceStore +from synapse.replication.slave.storage.push_rule import SlavedPushRuleStore +from synapse.replication.slave.storage.receipts import SlavedReceiptsStore +from synapse.replication.slave.storage.registration import SlavedRegistrationStore +from synapse.replication.slave.storage.room import RoomStore +from synapse.replication.tcp.client import ReplicationClientHandler +from synapse.server import HomeServer +from synapse.storage.engines import create_engine +from synapse.util.logcontext import LoggingContext +from synapse.util.versionstring import get_version_string + +logger = logging.getLogger("synapse.app.admin_cmd") + + +class AdminCmdSlavedStore( + SlavedReceiptsStore, + SlavedAccountDataStore, + SlavedApplicationServiceStore, + SlavedRegistrationStore, + SlavedFilteringStore, + SlavedPresenceStore, + SlavedGroupServerStore, + SlavedDeviceInboxStore, + SlavedDeviceStore, + SlavedPushRuleStore, + SlavedEventStore, + SlavedClientIpStore, + RoomStore, + BaseSlavedStore, +): + pass + + +class AdminCmdServer(HomeServer): + DATASTORE_CLASS = AdminCmdSlavedStore + + def _listen_http(self, listener_config): + pass + + def start_listening(self, listeners): + pass + + def build_tcp_replication(self): + return AdminCmdReplicationHandler(self) + + +class AdminCmdReplicationHandler(ReplicationClientHandler): + @defer.inlineCallbacks + def on_rdata(self, stream_name, token, rows): + pass + + def get_streams_to_replicate(self): + return {} + + +@defer.inlineCallbacks +def export_data_command(hs, args): + """Export data for a user. + + Args: + hs (HomeServer) + args (argparse.Namespace) + """ + + user_id = args.user_id + directory = args.output_directory + + res = yield hs.get_handlers().admin_handler.export_user_data( + user_id, FileExfiltrationWriter(user_id, directory=directory) + ) + print(res) + + +class FileExfiltrationWriter(ExfiltrationWriter): + """An ExfiltrationWriter that writes the users data to a directory. + Returns the directory location on completion. + + Note: This writes to disk on the main reactor thread. + + Args: + user_id (str): The user whose data is being exfiltrated. + directory (str|None): The directory to write the data to, if None then + will write to a temporary directory. + """ + + def __init__(self, user_id, directory=None): + self.user_id = user_id + + if directory: + self.base_directory = directory + else: + self.base_directory = tempfile.mkdtemp( + prefix="synapse-exfiltrate__%s__" % (user_id,) + ) + + os.makedirs(self.base_directory, exist_ok=True) + if list(os.listdir(self.base_directory)): + raise Exception("Directory must be empty") + + def write_events(self, room_id, events): + room_directory = os.path.join(self.base_directory, "rooms", room_id) + os.makedirs(room_directory, exist_ok=True) + events_file = os.path.join(room_directory, "events") + + with open(events_file, "a") as f: + for event in events: + print(json.dumps(event.get_pdu_json()), file=f) + + def write_state(self, room_id, event_id, state): + room_directory = os.path.join(self.base_directory, "rooms", room_id) + state_directory = os.path.join(room_directory, "state") + os.makedirs(state_directory, exist_ok=True) + + event_file = os.path.join(state_directory, event_id) + + with open(event_file, "a") as f: + for event in state.values(): + print(json.dumps(event.get_pdu_json()), file=f) + + def write_invite(self, room_id, event, state): + self.write_events(room_id, [event]) + + # We write the invite state somewhere else as they aren't full events + # and are only a subset of the state at the event. + room_directory = os.path.join(self.base_directory, "rooms", room_id) + os.makedirs(room_directory, exist_ok=True) + + invite_state = os.path.join(room_directory, "invite_state") + + with open(invite_state, "a") as f: + for event in state.values(): + print(json.dumps(event), file=f) + + def finished(self): + return self.base_directory + + +def start(config_options): + parser = argparse.ArgumentParser(description="Synapse Admin Command") + HomeServerConfig.add_arguments_to_parser(parser) + + subparser = parser.add_subparsers( + title="Admin Commands", + required=True, + dest="command", + metavar="<admin_command>", + help="The admin command to perform.", + ) + export_data_parser = subparser.add_parser( + "export-data", help="Export all data for a user" + ) + export_data_parser.add_argument("user_id", help="User to extra data from") + export_data_parser.add_argument( + "--output-directory", + action="store", + metavar="DIRECTORY", + required=False, + help="The directory to store the exported data in. Must be empty. Defaults" + " to creating a temp directory.", + ) + export_data_parser.set_defaults(func=export_data_command) + + try: + config, args = HomeServerConfig.load_config_with_parser(parser, config_options) + except ConfigError as e: + sys.stderr.write("\n" + str(e) + "\n") + sys.exit(1) + + if config.worker_app is not None: + assert config.worker_app == "synapse.app.admin_cmd" + + # Update the config with some basic overrides so that don't have to specify + # a full worker config. + config.worker_app = "synapse.app.admin_cmd" + + if ( + not config.worker_daemonize + and not config.worker_log_file + and not config.worker_log_config + ): + # Since we're meant to be run as a "command" let's not redirect stdio + # unless we've actually set log config. + config.no_redirect_stdio = True + + # Explicitly disable background processes + config.update_user_directory = False + config.start_pushers = False + config.send_federation = False + + setup_logging(config, use_worker_options=True) + + synapse.events.USE_FROZEN_DICTS = config.use_frozen_dicts + + database_engine = create_engine(config.database_config) + + ss = AdminCmdServer( + config.server_name, + db_config=config.database_config, + config=config, + version_string="Synapse/" + get_version_string(synapse), + database_engine=database_engine, + ) + + ss.setup() + + # We use task.react as the basic run command as it correctly handles tearing + # down the reactor when the deferreds resolve and setting the return value. + # We also make sure that `_base.start` gets run before we actually run the + # command. + + @defer.inlineCallbacks + def run(_reactor): + with LoggingContext("command"): + yield _base.start(ss, []) + yield args.func(ss, args) + + _base.start_worker_reactor( + "synapse-admin-cmd", config, run_command=lambda: task.react(run) + ) + + +if __name__ == "__main__": + with LoggingContext("main"): + start(sys.argv[1:]) |