4 files changed, 18 insertions, 7 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index ddc195bc32..cb50579fd2 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -25,7 +25,7 @@ from twisted.internet import defer
 import synapse.logging.opentracing as opentracing
 import synapse.types
 from synapse import event_auth
-from synapse.api.constants import EventTypes, JoinRules, Membership
+from synapse.api.constants import EventTypes, JoinRules, Membership, UserTypes
 from synapse.api.errors import (
     AuthError,
     Codes,
@@ -179,7 +179,6 @@ class Auth(object):
     def get_public_keys(self, invite_event):
         return event_auth.get_public_keys(invite_event)
 
-    @opentracing.trace
     @defer.inlineCallbacks
     def get_user_by_req(
         self, request, allow_guest=False, rights="access", allow_expired=False
@@ -212,6 +211,7 @@ class Auth(object):
             if user_id:
                 request.authenticated_entity = user_id
                 opentracing.set_tag("authenticated_entity", user_id)
+                opentracing.set_tag("appservice_id", app_service.id)
 
                 if ip_addr and self.hs.config.track_appservice_user_ips:
                     yield self.store.insert_client_ip(
@@ -263,6 +263,8 @@ class Auth(object):
 
             request.authenticated_entity = user.to_string()
             opentracing.set_tag("authenticated_entity", user.to_string())
+            if device_id:
+                opentracing.set_tag("device_id", device_id)
 
             return synapse.types.create_requester(
                 user, token_id, is_guest, device_id, app_service=app_service
@@ -709,7 +711,7 @@ class Auth(object):
             )
 
     @defer.inlineCallbacks
-    def check_auth_blocking(self, user_id=None, threepid=None):
+    def check_auth_blocking(self, user_id=None, threepid=None, user_type=None):
         """Checks if the user should be rejected for some external reason,
         such as monthly active user limiting or global disable flag
 
@@ -722,6 +724,9 @@ class Auth(object):
                 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
+                certain blocking reasons like MAU.
         """
 
         # Never fail an auth check for the server notices users or support user
@@ -759,6 +764,10 @@ class Auth(object):
                     self.hs.config.mau_limits_reserved_threepids, threepid
                 ):
                     return
+            elif user_type == UserTypes.SUPPORT:
+                # If the user does not exist yet and is of type "support",
+                # allow registration. Support users are excluded from MAU checks.
+                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:
diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index f29bce560c..60e99e4663 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -97,8 +97,6 @@ class EventTypes(object):
 
 class RejectedReason(object):
     AUTH_ERROR = "auth_error"
-    REPLACED = "replaced"
-    NOT_ANCESTOR = "not_ancestor"
 
 
 class RoomCreationPreset(object):
diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index a18d31db0c..cca92c34ba 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -17,6 +17,7 @@
 """Contains exceptions and error codes."""
 
 import logging
+from typing import Dict
 
 from six import iteritems
 from six.moves import http_client
@@ -112,7 +113,7 @@ class ProxiedRequestError(SynapseError):
     def __init__(self, code, msg, errcode=Codes.UNKNOWN, additional_fields=None):
         super(ProxiedRequestError, self).__init__(code, msg, errcode)
         if additional_fields is None:
-            self._additional_fields = {}
+            self._additional_fields = {}  # type: Dict
         else:
             self._additional_fields = dict(additional_fields)
 
diff --git a/synapse/api/room_versions.py b/synapse/api/room_versions.py
index 95292b7dec..c6f50fd7b9 100644
--- a/synapse/api/room_versions.py
+++ b/synapse/api/room_versions.py
@@ -12,6 +12,9 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
+from typing import Dict
+
 import attr
 
 
@@ -102,4 +105,4 @@ KNOWN_ROOM_VERSIONS = {
         RoomVersions.V4,
         RoomVersions.V5,
     )
-}  # type: dict[str, RoomVersion]
+}  # type: Dict[str, RoomVersion]