diff options
Diffstat (limited to 'synapse/handlers/admin.py')
| -rw-r--r-- | synapse/handlers/admin.py | 110 |
1 files changed, 23 insertions, 87 deletions
diff --git a/synapse/handlers/admin.py b/synapse/handlers/admin.py index e424fc46bd..e8a651e231 100644 --- a/synapse/handlers/admin.py +++ b/synapse/handlers/admin.py @@ -14,10 +14,6 @@ # limitations under the License. import logging -import os -import tempfile - -from canonicaljson import json from twisted.internet import defer @@ -99,15 +95,16 @@ class AdminHandler(BaseHandler): defer.returnValue(ret) @defer.inlineCallbacks - def exfiltrate_user_data(self, user_id, writer): - """Write all data we have of the user to the specified directory. + def export_user_data(self, user_id, writer): + """Write all data we have on the user to the given writer. Args: user_id (str) writer (ExfiltrationWriter) Returns: - defer.Deferred + defer.Deferred: Resolves when all data for a user has been written. + The returned value is that returned by `writer.finished()`. """ # Get all rooms the user is in or has been in rooms = yield self.store.get_rooms_for_user_where_membership_is( @@ -134,7 +131,7 @@ class AdminHandler(BaseHandler): forgotten = yield self.store.did_forget(user_id, room_id) if forgotten: - logger.info("[%s] User forgot room %d, ignoring", room_id) + logger.info("[%s] User forgot room %d, ignoring", user_id, room_id) continue if room_id not in rooms_user_has_been_in: @@ -172,13 +169,14 @@ class AdminHandler(BaseHandler): # dict[str, set[str]]. event_to_unseen_prevs = {} - # The reverse mapping to above, i.e. map from unseen event to parent - # events. dict[str, set[str]] - unseen_event_to_parents = {} + # The reverse mapping to above, i.e. map from unseen event to events + # that have the unseen event in their prev_events, i.e. the unseen + # events "children". dict[str, set[str]] + unseen_to_child_events = {} # We fetch events in the room the user could see by fetching *all* # events that we have and then filtering, this isn't the most - # efficient method perhaps but it does guarentee we get everything. + # efficient method perhaps but it does guarantee we get everything. while True: events, _ = yield self.store.paginate_room_events( room_id, from_key, to_key, limit=100, direction="f" @@ -200,16 +198,14 @@ class AdminHandler(BaseHandler): if unseen_events: event_to_unseen_prevs[event.event_id] = unseen_events for unseen in unseen_events: - unseen_event_to_parents.setdefault(unseen, set()).add( + unseen_to_child_events.setdefault(unseen, set()).add( event.event_id ) # Now check if this event is an unseen prev event, if so # then we remove this event from the appropriate dicts. - for event_id in unseen_event_to_parents.pop(event.event_id, []): - event_to_unseen_prevs.get(event_id, set()).discard( - event.event_id - ) + for child_id in unseen_to_child_events.pop(event.event_id, []): + event_to_unseen_prevs[child_id].discard(event.event_id) written_events.add(event.event_id) @@ -233,7 +229,7 @@ class AdminHandler(BaseHandler): class ExfiltrationWriter(object): - """Interfaced used to specify how to write exfilrated data. + """Interface used to specify how to write exported data. """ def write_events(self, room_id, events): @@ -254,7 +250,7 @@ class ExfiltrationWriter(object): Args: room_id (str) event_id (str) - state (list[FrozenEvent]) + state (dict[tuple[str, str], FrozenEvent]) """ pass @@ -263,76 +259,16 @@ class ExfiltrationWriter(object): Args: room_id (str) - invite (FrozenEvent) - state (list[dict]): A subset of the state at the invite, with a - subset of the event keys (type, state_key, content and sender) + event (FrozenEvent) + state (dict[tuple[str, str], dict]): A subset of the state at the + invite, with a subset of the event keys (type, state_key + content and sender) """ def finished(self): - """Called when exfiltration is complete, and the return valus is passed - to the requester. + """Called when all data has succesfully been exported and written. + + This functions return value is passed to the caller of + `export_user_data`. """ pass - - -class FileExfiltrationWriter(ExfiltrationWriter): - """An ExfiltrationWriter that writes the users data to a directory. - - Returns the directory location on completion. - - 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 |