diff --git a/synapse/api/auth_blocking.py b/synapse/api/auth_blocking.py
index d8fafd7cb8..9c227218e0 100644
--- a/synapse/api/auth_blocking.py
+++ b/synapse/api/auth_blocking.py
@@ -14,10 +14,12 @@
# limitations under the License.
import logging
+from typing import Optional
from synapse.api.constants import LimitBlockingTypes, UserTypes
from synapse.api.errors import Codes, ResourceLimitError
from synapse.config.server import is_threepid_reserved
+from synapse.types import Requester
logger = logging.getLogger(__name__)
@@ -33,24 +35,47 @@ class AuthBlocking:
self._max_mau_value = hs.config.max_mau_value
self._limit_usage_by_mau = hs.config.limit_usage_by_mau
self._mau_limits_reserved_threepids = hs.config.mau_limits_reserved_threepids
+ self._server_name = hs.hostname
- async def check_auth_blocking(self, user_id=None, threepid=None, user_type=None):
+ async def check_auth_blocking(
+ self,
+ user_id: Optional[str] = None,
+ threepid: Optional[dict] = None,
+ user_type: Optional[str] = None,
+ requester: Optional[Requester] = None,
+ ):
"""Checks if the user should be rejected for some external reason,
such as monthly active user limiting or global disable flag
Args:
- user_id(str|None): If present, checks for presence against existing
+ user_id: If present, checks for presence against existing
MAU cohort
- threepid(dict|None): If present, checks for presence against configured
+ threepid: If present, checks for presence against configured
reserved threepid. Used in cases where the user is trying register
with a MAU blocked server, normally they would be rejected but their
threepid is on the reserved list. user_id and
threepid should never be set at the same time.
- user_type(str|None): If present, is used to decide whether to check against
+ user_type: If present, is used to decide whether to check against
certain blocking reasons like MAU.
+
+ requester: If present, and the authenticated entity is a user, checks for
+ presence against existing MAU cohort. Passing in both a `user_id` and
+ `requester` is an error.
"""
+ if requester and user_id:
+ raise Exception(
+ "Passed in both 'user_id' and 'requester' to 'check_auth_blocking'"
+ )
+
+ if requester:
+ if requester.authenticated_entity.startswith("@"):
+ user_id = requester.authenticated_entity
+ elif requester.authenticated_entity == self._server_name:
+ # We never block the server from doing actions on behalf of
+ # users.
+ return
# Never fail an auth check for the server notices users or support user
# This can be a problem where event creation is prohibited due to blocking
|