Merge branch 'develop' of github.com:matrix-org/synapse into t3chguy/default_inviter_display_name_3pid

2 files changed, 20 insertions, 32 deletions

diff --git a/synapse/streams/config.py b/synapse/streams/config.py
index 4f089bfb94..451e4fa441 100644
--- a/synapse/streams/config.py
+++ b/synapse/streams/config.py
@@ -13,11 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.api.errors import SynapseError
-from synapse.types import StreamToken
-
 import logging
 
+from synapse.api.errors import SynapseError
+from synapse.http.servlet import parse_integer, parse_string
+from synapse.types import StreamToken
 
 logger = logging.getLogger(__name__)
 
@@ -57,48 +57,33 @@ class PaginationConfig(object):
     @classmethod
     def from_request(cls, request, raise_invalid_params=True,
                      default_limit=None):
-        def get_param(name, default=None):
-            lst = request.args.get(name, [])
-            if len(lst) > 1:
-                raise SynapseError(
-                    400, "%s must be specified only once" % (name,)
-                )
-            elif len(lst) == 1:
-                return lst[0]
-            else:
-                return default
-
-        direction = get_param("dir", 'f')
-        if direction not in ['f', 'b']:
-            raise SynapseError(400, "'dir' parameter is invalid.")
-
-        from_tok = get_param("from")
-        to_tok = get_param("to")
+        direction = parse_string(request, "dir", default='f', allowed_values=['f', 'b'])
+
+        from_tok = parse_string(request, "from")
+        to_tok = parse_string(request, "to")
 
         try:
             if from_tok == "END":
                 from_tok = None  # For backwards compat.
             elif from_tok:
                 from_tok = StreamToken.from_string(from_tok)
-        except:
+        except Exception:
             raise SynapseError(400, "'from' paramater is invalid")
 
         try:
             if to_tok:
                 to_tok = StreamToken.from_string(to_tok)
-        except:
+        except Exception:
             raise SynapseError(400, "'to' paramater is invalid")
 
-        limit = get_param("limit", None)
-        if limit is not None and not limit.isdigit():
-            raise SynapseError(400, "'limit' parameter must be an integer.")
+        limit = parse_integer(request, "limit", default=default_limit)
 
-        if limit is None:
-            limit = default_limit
+        if limit and limit < 0:
+            raise SynapseError(400, "Limit must be 0 or above")
 
         try:
             return PaginationConfig(from_tok, to_tok, direction, limit)
-        except:
+        except Exception:
             logger.exception("Failed to create pagination config")
             raise SynapseError(400, "Invalid request.")
 
diff --git a/synapse/streams/events.py b/synapse/streams/events.py
index 91a59b0bae..e5220132a3 100644
--- a/synapse/streams/events.py
+++ b/synapse/streams/events.py
@@ -15,13 +15,12 @@
 
 from twisted.internet import defer
 
-from synapse.types import StreamToken
-
+from synapse.handlers.account_data import AccountDataEventSource
 from synapse.handlers.presence import PresenceEventSource
+from synapse.handlers.receipts import ReceiptEventSource
 from synapse.handlers.room import RoomEventSource
 from synapse.handlers.typing import TypingNotificationEventSource
-from synapse.handlers.receipts import ReceiptEventSource
-from synapse.handlers.account_data import AccountDataEventSource
+from synapse.types import StreamToken
 
 
 class EventSources(object):
@@ -45,6 +44,7 @@ class EventSources(object):
         push_rules_key, _ = self.store.get_push_rules_stream_token()
         to_device_key = self.store.get_to_device_stream_token()
         device_list_key = self.store.get_device_stream_token()
+        groups_key = self.store.get_group_stream_token()
 
         token = StreamToken(
             room_key=(
@@ -65,6 +65,7 @@ class EventSources(object):
             push_rules_key=push_rules_key,
             to_device_key=to_device_key,
             device_list_key=device_list_key,
+            groups_key=groups_key,
         )
         defer.returnValue(token)
 
@@ -73,6 +74,7 @@ class EventSources(object):
         push_rules_key, _ = self.store.get_push_rules_stream_token()
         to_device_key = self.store.get_to_device_stream_token()
         device_list_key = self.store.get_device_stream_token()
+        groups_key = self.store.get_group_stream_token()
 
         token = StreamToken(
             room_key=(
@@ -93,5 +95,6 @@ class EventSources(object):
             push_rules_key=push_rules_key,
             to_device_key=to_device_key,
             device_list_key=device_list_key,
+            groups_key=groups_key,
         )
         defer.returnValue(token)