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-rw-r--r--synapse/handlers/appservice.py10
-rw-r--r--synapse/handlers/federation.py2
-rw-r--r--synapse/handlers/groups_local.py35
-rw-r--r--synapse/handlers/room_member.py8
-rw-r--r--synapse/handlers/saml_handler.py3
-rw-r--r--synapse/handlers/sync.py6
6 files changed, 35 insertions, 29 deletions
diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index 92d4c6e16c..fbc56c351b 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -27,7 +27,6 @@ from synapse.metrics import (
     event_processing_loop_room_count,
 )
 from synapse.metrics.background_process_metrics import run_as_background_process
-from synapse.util import log_failure
 from synapse.util.metrics import Measure
 
 logger = logging.getLogger(__name__)
@@ -100,10 +99,11 @@ class ApplicationServicesHandler(object):
 
                         if not self.started_scheduler:
 
-                            def start_scheduler():
-                                return self.scheduler.start().addErrback(
-                                    log_failure, "Application Services Failure"
-                                )
+                            async def start_scheduler():
+                                try:
+                                    return self.scheduler.start()
+                                except Exception:
+                                    logger.error("Application Services Failure")
 
                             run_as_background_process("as_scheduler", start_scheduler)
                             self.started_scheduler = True
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index f5f683bfd4..0d7d1adcea 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -2470,7 +2470,7 @@ class FederationHandler(BaseHandler):
         }
 
         current_state_ids = await context.get_current_state_ids()
-        current_state_ids = dict(current_state_ids)
+        current_state_ids = dict(current_state_ids)  # type: ignore
 
         current_state_ids.update(state_updates)
 
diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py
index ecdb12a7bf..0e2656ccb3 100644
--- a/synapse/handlers/groups_local.py
+++ b/synapse/handlers/groups_local.py
@@ -23,39 +23,32 @@ logger = logging.getLogger(__name__)
 
 
 def _create_rerouter(func_name):
-    """Returns a function that looks at the group id and calls the function
+    """Returns an async function that looks at the group id and calls the function
     on federation or the local group server if the group is local
     """
 
-    def f(self, group_id, *args, **kwargs):
+    async def f(self, group_id, *args, **kwargs):
         if self.is_mine_id(group_id):
-            return getattr(self.groups_server_handler, func_name)(
+            return await getattr(self.groups_server_handler, func_name)(
                 group_id, *args, **kwargs
             )
         else:
             destination = get_domain_from_id(group_id)
-            d = getattr(self.transport_client, func_name)(
-                destination, group_id, *args, **kwargs
-            )
 
-            # Capture errors returned by the remote homeserver and
-            # re-throw specific errors as SynapseErrors. This is so
-            # when the remote end responds with things like 403 Not
-            # In Group, we can communicate that to the client instead
-            # of a 500.
-            def http_response_errback(failure):
-                failure.trap(HttpResponseException)
-                e = failure.value
+            try:
+                return await getattr(self.transport_client, func_name)(
+                    destination, group_id, *args, **kwargs
+                )
+            except HttpResponseException as e:
+                # Capture errors returned by the remote homeserver and
+                # re-throw specific errors as SynapseErrors. This is so
+                # when the remote end responds with things like 403 Not
+                # In Group, we can communicate that to the client instead
+                # of a 500.
                 raise e.to_synapse_error()
-
-            def request_failed_errback(failure):
-                failure.trap(RequestSendFailed)
+            except RequestSendFailed:
                 raise SynapseError(502, "Failed to contact group server")
 
-            d.addErrback(http_response_errback)
-            d.addErrback(request_failed_errback)
-            return d
-
     return f
 
 
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index a1a8fa1d3b..5a40e8c144 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -952,7 +952,11 @@ class RoomMemberMasterHandler(RoomMemberHandler):
         if len(remote_room_hosts) == 0:
             raise SynapseError(404, "No known servers")
 
-        if self.hs.config.limit_remote_rooms.enabled:
+        check_complexity = self.hs.config.limit_remote_rooms.enabled
+        if check_complexity and self.hs.config.limit_remote_rooms.admins_can_join:
+            check_complexity = not await self.hs.auth.is_server_admin(user)
+
+        if check_complexity:
             # Fetch the room complexity
             too_complex = await self._is_remote_room_too_complex(
                 room_id, remote_room_hosts
@@ -975,7 +979,7 @@ class RoomMemberMasterHandler(RoomMemberHandler):
 
         # Check the room we just joined wasn't too large, if we didn't fetch the
         # complexity of it before.
-        if self.hs.config.limit_remote_rooms.enabled:
+        if check_complexity:
             if too_complex is False:
                 # We checked, and we're under the limit.
                 return event_id, stream_id
diff --git a/synapse/handlers/saml_handler.py b/synapse/handlers/saml_handler.py
index abecaa8313..2d506dc1f2 100644
--- a/synapse/handlers/saml_handler.py
+++ b/synapse/handlers/saml_handler.py
@@ -96,6 +96,9 @@ class SamlHandler:
             relay_state=client_redirect_url
         )
 
+        # Since SAML sessions timeout it is useful to log when they were created.
+        logger.info("Initiating a new SAML session: %s" % (reqid,))
+
         now = self._clock.time_msec()
         self._outstanding_requests_dict[reqid] = Saml2SessionData(
             creation_time=now, ui_auth_session_id=ui_auth_session_id,
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index ebd3e98105..eaa4eeadf7 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -103,6 +103,7 @@ class JoinedSyncResult:
     account_data = attr.ib(type=List[JsonDict])
     unread_notifications = attr.ib(type=JsonDict)
     summary = attr.ib(type=Optional[JsonDict])
+    unread_count = attr.ib(type=int)
 
     def __nonzero__(self) -> bool:
         """Make the result appear empty if there are no updates. This is used
@@ -1886,6 +1887,10 @@ class SyncHandler(object):
 
         if room_builder.rtype == "joined":
             unread_notifications = {}  # type: Dict[str, str]
+
+            unread_count = await self.store.get_unread_message_count_for_user(
+                room_id, sync_config.user.to_string(),
+            )
             room_sync = JoinedSyncResult(
                 room_id=room_id,
                 timeline=batch,
@@ -1894,6 +1899,7 @@ class SyncHandler(object):
                 account_data=account_data_events,
                 unread_notifications=unread_notifications,
                 summary=summary,
+                unread_count=unread_count,
             )
 
             if room_sync or always_include: