diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index a7e3f7a7ac..34382e4e3c 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -26,6 +26,7 @@ import synapse.types
from synapse import event_auth
from synapse.api.constants import EventTypes, JoinRules, Membership
from synapse.api.errors import AuthError, Codes, ResourceLimitError
+from synapse.config.server import is_threepid_reserved
from synapse.types import UserID
from synapse.util.caches import CACHE_SIZE_FACTOR, register_cache
from synapse.util.caches.lrucache import LruCache
@@ -775,13 +776,19 @@ class Auth(object):
)
@defer.inlineCallbacks
- def check_auth_blocking(self, user_id=None):
+ def check_auth_blocking(self, user_id=None, threepid=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
MAU cohort
+
+ threepid(dict|None): 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.
"""
# Never fail an auth check for the server notices users
@@ -797,6 +804,8 @@ class Auth(object):
limit_type=self.hs.config.hs_disabled_limit_type
)
if self.hs.config.limit_usage_by_mau is True:
+ assert not (user_id and threepid)
+
# If the user is already part of the MAU cohort or a trial user
if user_id:
timestamp = yield self.store.user_last_seen_monthly_active(user_id)
@@ -806,12 +815,16 @@ class Auth(object):
is_trial = yield self.store.is_trial_user(user_id)
if is_trial:
return
+ elif threepid:
+ # If the user does not exist yet, but is signing up with a
+ # reserved threepid then pass auth check
+ if is_threepid_reserved(self.hs.config, threepid):
+ return
# Else if there is no room in the MAU bucket, bail
current_mau = yield self.store.get_monthly_active_count()
if current_mau >= self.hs.config.max_mau_value:
raise ResourceLimitError(
403, "Monthly Active User Limit Exceeded",
-
admin_contact=self.hs.config.admin_contact,
errcode=Codes.RESOURCE_LIMIT_EXCEEDED,
limit_type="monthly_active_user"
|