diff options
| -rw-r--r-- | synapse/app/admin_cmd.py | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/synapse/app/admin_cmd.py b/synapse/app/admin_cmd.py index 611a196e54..13281d0af9 100644 --- a/synapse/app/admin_cmd.py +++ b/synapse/app/admin_cmd.py @@ -15,7 +15,11 @@ # limitations under the License. import argparse import logging +import os import sys +import tempfile + +from canonicaljson import json from twisted.internet import defer, task @@ -24,7 +28,7 @@ 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 FileExfiltrationWriter +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 @@ -107,6 +111,70 @@ def export_data_command(hs, args): 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) |