diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/room.py | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index a9490782b7..532ee22fa4 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -30,6 +30,7 @@ from twisted.internet import defer from synapse.api.constants import EventTypes, JoinRules, RoomCreationPreset from synapse.api.errors import AuthError, Codes, NotFoundError, StoreError, SynapseError from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersion +from synapse.events.utils import copy_power_levels_contents from synapse.http.endpoint import parse_and_validate_server_name from synapse.storage.state import StateFilter from synapse.types import ( @@ -367,6 +368,15 @@ class RoomCreationHandler(BaseHandler): if old_event: initial_state[k] = old_event.content + # deep-copy the power-levels event before we start modifying it + # note that if frozen_dicts are enabled, `power_levels` will be a frozen + # dict so we can't just copy.deepcopy it. + initial_state[ + (EventTypes.PowerLevels, "") + ] = power_levels = copy_power_levels_contents( + initial_state[(EventTypes.PowerLevels, "")] + ) + # Resolve the minimum power level required to send any state event # We will give the upgrading user this power level temporarily (if necessary) such that # they are able to copy all of the state events over, then revert them back to their @@ -375,8 +385,6 @@ class RoomCreationHandler(BaseHandler): # Copy over user power levels now as this will not be possible with >100PL users once # the room has been created - power_levels = initial_state[(EventTypes.PowerLevels, "")] - # Calculate the minimum power level needed to clone the room event_power_levels = power_levels.get("events", {}) state_default = power_levels.get("state_default", 0) @@ -386,16 +394,7 @@ class RoomCreationHandler(BaseHandler): # Raise the requester's power level in the new room if necessary current_power_level = power_levels["users"][user_id] if current_power_level < needed_power_level: - # make sure we copy the event content rather than overwriting it. - # note that if frozen_dicts are enabled, `power_levels` will be a frozen - # dict so we can't just copy.deepcopy it. - - new_power_levels = {k: v for k, v in power_levels.items() if k != "users"} - new_power_levels["users"] = { - k: v for k, v in power_levels.get("users", {}).items() if k != user_id - } - new_power_levels["users"][user_id] = needed_power_level - initial_state[(EventTypes.PowerLevels, "")] = new_power_levels + power_levels["users"][user_id] = needed_power_level yield self._send_events_for_new_room( requester, |