diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/api/room_versions.py | 32 | ||||
| -rw-r--r-- | synapse/events/utils.py | 16 | ||||
| -rw-r--r-- | synapse/handlers/room.py | 2 |
3 files changed, 41 insertions, 9 deletions
diff --git a/synapse/api/room_versions.py b/synapse/api/room_versions.py index f3ecbf36b6..de2cc15d33 100644 --- a/synapse/api/room_versions.py +++ b/synapse/api/room_versions.py @@ -51,11 +51,11 @@ class RoomDisposition: class RoomVersion: """An object which describes the unique attributes of a room version.""" - identifier = attr.ib() # str; the identifier for this version - disposition = attr.ib() # str; one of the RoomDispositions - event_format = attr.ib() # int; one of the EventFormatVersions - state_res = attr.ib() # int; one of the StateResolutionVersions - enforce_key_validity = attr.ib() # bool + identifier = attr.ib(type=str) # the identifier for this version + disposition = attr.ib(type=str) # one of the RoomDispositions + event_format = attr.ib(type=int) # one of the EventFormatVersions + state_res = attr.ib(type=int) # one of the StateResolutionVersions + enforce_key_validity = attr.ib(type=bool) # bool: before MSC2261/MSC2432, m.room.aliases had special auth rules and redaction rules special_case_aliases_auth = attr.ib(type=bool) @@ -64,9 +64,11 @@ class RoomVersion: # * Floats # * NaN, Infinity, -Infinity strict_canonicaljson = attr.ib(type=bool) - # bool: MSC2209: Check 'notifications' key while verifying + # MSC2209: Check 'notifications' key while verifying # m.room.power_levels auth rules. limit_notifications_power_levels = attr.ib(type=bool) + # MSC2174/MSC2176: Apply updated redaction rules algorithm. + msc2176_redaction_rules = attr.ib(type=bool) class RoomVersions: @@ -79,6 +81,7 @@ class RoomVersions: special_case_aliases_auth=True, strict_canonicaljson=False, limit_notifications_power_levels=False, + msc2176_redaction_rules=False, ) V2 = RoomVersion( "2", @@ -89,6 +92,7 @@ class RoomVersions: special_case_aliases_auth=True, strict_canonicaljson=False, limit_notifications_power_levels=False, + msc2176_redaction_rules=False, ) V3 = RoomVersion( "3", @@ -99,6 +103,7 @@ class RoomVersions: special_case_aliases_auth=True, strict_canonicaljson=False, limit_notifications_power_levels=False, + msc2176_redaction_rules=False, ) V4 = RoomVersion( "4", @@ -109,6 +114,7 @@ class RoomVersions: special_case_aliases_auth=True, strict_canonicaljson=False, limit_notifications_power_levels=False, + msc2176_redaction_rules=False, ) V5 = RoomVersion( "5", @@ -119,6 +125,7 @@ class RoomVersions: special_case_aliases_auth=True, strict_canonicaljson=False, limit_notifications_power_levels=False, + msc2176_redaction_rules=False, ) V6 = RoomVersion( "6", @@ -129,6 +136,18 @@ class RoomVersions: special_case_aliases_auth=False, strict_canonicaljson=True, limit_notifications_power_levels=True, + msc2176_redaction_rules=False, + ) + MSC2176 = RoomVersion( + "org.matrix.msc2176", + RoomDisposition.UNSTABLE, + EventFormatVersions.V3, + StateResolutionVersions.V2, + enforce_key_validity=True, + special_case_aliases_auth=False, + strict_canonicaljson=True, + limit_notifications_power_levels=True, + msc2176_redaction_rules=True, ) @@ -141,5 +160,6 @@ KNOWN_ROOM_VERSIONS = { RoomVersions.V4, RoomVersions.V5, RoomVersions.V6, + RoomVersions.MSC2176, ) } # type: Dict[str, RoomVersion] diff --git a/synapse/events/utils.py b/synapse/events/utils.py index 14f7f1156f..9c22e33813 100644 --- a/synapse/events/utils.py +++ b/synapse/events/utils.py @@ -79,13 +79,15 @@ def prune_event_dict(room_version: RoomVersion, event_dict: dict) -> dict: "state_key", "depth", "prev_events", - "prev_state", "auth_events", "origin", "origin_server_ts", - "membership", ] + # Room versions from before MSC2176 had additional allowed keys. + if not room_version.msc2176_redaction_rules: + allowed_keys.extend(["prev_state", "membership"]) + event_type = event_dict["type"] new_content = {} @@ -98,6 +100,10 @@ def prune_event_dict(room_version: RoomVersion, event_dict: dict) -> dict: if event_type == EventTypes.Member: add_fields("membership") elif event_type == EventTypes.Create: + # MSC2176 rules state that create events cannot be redacted. + if room_version.msc2176_redaction_rules: + return event_dict + add_fields("creator") elif event_type == EventTypes.JoinRules: add_fields("join_rule") @@ -112,10 +118,16 @@ def prune_event_dict(room_version: RoomVersion, event_dict: dict) -> dict: "kick", "redact", ) + + if room_version.msc2176_redaction_rules: + add_fields("invite") + elif event_type == EventTypes.Aliases and room_version.special_case_aliases_auth: add_fields("aliases") elif event_type == EventTypes.RoomHistoryVisibility: add_fields("history_visibility") + elif event_type == EventTypes.Redaction and room_version.msc2176_redaction_rules: + add_fields("redacts") allowed_fields = {k: v for k, v in event_dict.items() if k in allowed_keys} diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 1f809fa161..3bece6d668 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -365,7 +365,7 @@ class RoomCreationHandler(BaseHandler): creation_content = { "room_version": new_room_version.identifier, "predecessor": {"room_id": old_room_id, "event_id": tombstone_event_id}, - } + } # type: JsonDict # Check if old room was non-federatable |