3 files changed, 18 insertions, 11 deletions
diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py
index ef866da1b6..18741c5fac 100644
--- a/synapse/handlers/directory.py
+++ b/synapse/handlers/directory.py
@@ -20,7 +20,14 @@ import string
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes
-from synapse.api.errors import AuthError, CodeMessageException, Codes, SynapseError
+from synapse.api.errors import (
+    AuthError,
+    CodeMessageException,
+    Codes,
+    NotFoundError,
+    StoreError,
+    SynapseError,
+)
 from synapse.types import RoomAlias, UserID, get_domain_from_id
 
 from ._base import BaseHandler
@@ -109,7 +116,13 @@ class DirectoryHandler(BaseHandler):
     def delete_association(self, requester, user_id, room_alias):
         # association deletion for human users
 
-        can_delete = yield self._user_can_delete_alias(room_alias, user_id)
+        try:
+            can_delete = yield self._user_can_delete_alias(room_alias, user_id)
+        except StoreError as e:
+            if e.code == 404:
+                raise NotFoundError("Unknown room alias")
+            raise
+
         if not can_delete:
             raise AuthError(
                 403, "You don't have permission to delete the alias.",
@@ -320,7 +333,7 @@ class DirectoryHandler(BaseHandler):
     def _user_can_delete_alias(self, alias, user_id):
         creator = yield self.store.get_room_alias_creator(alias.to_string())
 
-        if creator and creator == user_id:
+        if creator is not None and creator == user_id:
             defer.returnValue(True)
 
         is_admin = yield self.auth.is_server_admin(UserID.from_string(user_id))
diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py
index 5170d093e3..a155b6e938 100644
--- a/synapse/handlers/pagination.py
+++ b/synapse/handlers/pagination.py
@@ -269,14 +269,7 @@ class PaginationHandler(object):
 
             if state_ids:
                 state = yield self.store.get_events(list(state_ids.values()))
-
-            if state:
-                state = yield filter_events_for_client(
-                    self.store,
-                    user_id,
-                    state.values(),
-                    is_peeking=(member_event_id is None),
-                )
+                state = state.values()
 
         time_now = self.clock.time_msec()
 
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index 1e53f2c635..da914c46ff 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -534,4 +534,5 @@ class RegistrationHandler(BaseHandler):
             room_id=room_id,
             remote_room_hosts=remote_room_hosts,
             action="join",
+            ratelimit=False,
         )