diff options
Diffstat (limited to 'synapse/event_auth.py')
| -rw-r--r-- | synapse/event_auth.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/synapse/event_auth.py b/synapse/event_auth.py index f512d88145..b32f64e729 100644 --- a/synapse/event_auth.py +++ b/synapse/event_auth.py @@ -17,11 +17,11 @@ import logging from canonicaljson import encode_canonical_json from signedjson.key import decode_verify_key_bytes -from signedjson.sign import verify_signed_json, SignatureVerifyException +from signedjson.sign import SignatureVerifyException, verify_signed_json from unpaddedbase64 import decode_base64 -from synapse.api.constants import EventTypes, Membership, JoinRules -from synapse.api.errors import AuthError, SynapseError, EventSizeError +from synapse.api.constants import EventTypes, JoinRules, Membership +from synapse.api.errors import AuthError, EventSizeError, SynapseError from synapse.types import UserID, get_domain_from_id logger = logging.getLogger(__name__) @@ -76,6 +76,7 @@ def check(event, auth_events, do_sig_check=True, do_size_check=True): return if event.type == EventTypes.Create: + sender_domain = get_domain_from_id(event.sender) room_id_domain = get_domain_from_id(event.room_id) if room_id_domain != sender_domain: raise AuthError( @@ -524,7 +525,11 @@ def _check_power_levels(event, auth_events): "to your own" ) - if old_level > user_level or new_level > user_level: + # Check if the old and new levels are greater than the user level + # (if defined) + old_level_too_big = old_level is not None and old_level > user_level + new_level_too_big = new_level is not None and new_level > user_level + if old_level_too_big or new_level_too_big: raise AuthError( 403, "You don't have permission to add ops level greater " |