3 files changed, 35 insertions, 10 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index 8955cde4ed..6eddb10e0d 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -20,7 +20,7 @@ from twisted.internet import defer
 
 from synapse.api import errors
 from synapse.api.constants import EventTypes
-from synapse.api.errors import FederationDeniedError
+from synapse.api.errors import FederationDeniedError, RequestSendFailed
 from synapse.types import RoomStreamToken, get_domain_from_id
 from synapse.util import stringutils
 from synapse.util.async_helpers import Linearizer
@@ -504,7 +504,7 @@ class DeviceListEduUpdater(object):
                 origin = get_domain_from_id(user_id)
                 try:
                     result = yield self.federation.query_user_devices(origin, user_id)
-                except NotRetryingDestination:
+                except (NotRetryingDestination, RequestSendFailed):
                     # TODO: Remember that we are now out of sync and try again
                     # later
                     logger.warn(
diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py
index 6bb254f899..8b113307d2 100644
--- a/synapse/handlers/directory.py
+++ b/synapse/handlers/directory.py
@@ -112,7 +112,9 @@ class DirectoryHandler(BaseHandler):
                     403, "This user is not permitted to create this alias",
                 )
 
-            if not self.config.is_alias_creation_allowed(user_id, room_alias.to_string()):
+            if not self.config.is_alias_creation_allowed(
+                user_id, room_id, room_alias.to_string(),
+            ):
                 # Lets just return a generic message, as there may be all sorts of
                 # reasons why we said no. TODO: Allow configurable error messages
                 # per alias creation rule?
@@ -395,9 +397,9 @@ class DirectoryHandler(BaseHandler):
         room_id (str)
         visibility (str): "public" or "private"
         """
-        if not self.spam_checker.user_may_publish_room(
-            requester.user.to_string(), room_id
-        ):
+        user_id = requester.user.to_string()
+
+        if not self.spam_checker.user_may_publish_room(user_id, room_id):
             raise AuthError(
                 403,
                 "This user is not permitted to publish rooms to the room list"
@@ -415,7 +417,24 @@ class DirectoryHandler(BaseHandler):
 
         yield self.auth.check_can_change_room_list(room_id, requester.user)
 
-        yield self.store.set_room_is_public(room_id, visibility == "public")
+        making_public = visibility == "public"
+        if making_public:
+            room_aliases = yield self.store.get_aliases_for_room(room_id)
+            canonical_alias = yield self.store.get_canonical_alias_for_room(room_id)
+            if canonical_alias:
+                room_aliases.append(canonical_alias)
+
+            if not self.config.is_publishing_room_allowed(
+                user_id, room_id, room_aliases,
+            ):
+                # Lets just return a generic message, as there may be all sorts of
+                # reasons why we said no. TODO: Allow configurable error messages
+                # per alias creation rule?
+                raise SynapseError(
+                    403, "Not allowed to publish room",
+                )
+
+        yield self.store.set_room_is_public(room_id, making_public)
 
     @defer.inlineCallbacks
     def edit_published_appservice_room_list(self, appservice_id, network_id,
diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py
index 173315af6c..02c508acec 100644
--- a/synapse/handlers/groups_local.py
+++ b/synapse/handlers/groups_local.py
@@ -20,7 +20,7 @@ from six import iteritems
 
 from twisted.internet import defer
 
-from synapse.api.errors import HttpResponseException, SynapseError
+from synapse.api.errors import HttpResponseException, RequestSendFailed, SynapseError
 from synapse.types import get_domain_from_id
 
 logger = logging.getLogger(__name__)
@@ -46,13 +46,19 @@ def _create_rerouter(func_name):
             # when the remote end responds with things like 403 Not
             # In Group, we can communicate that to the client instead
             # of a 500.
-            def h(failure):
+            def http_response_errback(failure):
                 failure.trap(HttpResponseException)
                 e = failure.value
                 if e.code == 403:
                     raise e.to_synapse_error()
                 return failure
-            d.addErrback(h)
+
+            def request_failed_errback(failure):
+                failure.trap(RequestSendFailed)
+                raise SynapseError(502, "Failed to contact group server")
+
+            d.addErrback(http_response_errback)
+            d.addErrback(request_failed_errback)
             return d
     return f