1 files changed, 39 insertions, 10 deletions
diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py
index 381b4cfc4a..a268a6bcc4 100644
--- a/synapse/appservice/__init__.py
+++ b/synapse/appservice/__init__.py
@@ -46,22 +46,34 @@ class ApplicationService(object):
     def _check_namespaces(self, namespaces):
         # Sanity check that it is of the form:
         # {
-        #   users: ["regex",...],
-        #   aliases: ["regex",...],
-        #   rooms: ["regex",...],
+        #   users: [ {regex: "[A-z]+.*", exclusive: true}, ...],
+        #   aliases: [ {regex: "[A-z]+.*", exclusive: true}, ...],
+        #   rooms: [ {regex: "[A-z]+.*", exclusive: true}, ...],
         # }
         if not namespaces:
             return None
 
         for ns in ApplicationService.NS_LIST:
+            if ns not in namespaces:
+                namespaces[ns] = []
+                continue
+
             if type(namespaces[ns]) != list:
-                raise ValueError("Bad namespace value for '%s'", ns)
-            for regex in namespaces[ns]:
-                if not isinstance(regex, basestring):
-                    raise ValueError("Expected string regex for ns '%s'", ns)
+                raise ValueError("Bad namespace value for '%s'" % ns)
+            for regex_obj in namespaces[ns]:
+                if not isinstance(regex_obj, dict):
+                    raise ValueError("Expected dict regex for ns '%s'" % ns)
+                if not isinstance(regex_obj.get("exclusive"), bool):
+                    raise ValueError(
+                        "Expected bool for 'exclusive' in ns '%s'" % ns
+                    )
+                if not isinstance(regex_obj.get("regex"), basestring):
+                    raise ValueError(
+                        "Expected string for 'regex' in ns '%s'" % ns
+                    )
         return namespaces
 
-    def _matches_regex(self, test_string, namespace_key):
+    def _matches_regex(self, test_string, namespace_key, return_obj=False):
         if not isinstance(test_string, basestring):
             logger.error(
                 "Expected a string to test regex against, but got %s",
@@ -69,11 +81,19 @@ class ApplicationService(object):
             )
             return False
 
-        for regex in self.namespaces[namespace_key]:
-            if re.match(regex, test_string):
+        for regex_obj in self.namespaces[namespace_key]:
+            if re.match(regex_obj["regex"], test_string):
+                if return_obj:
+                    return regex_obj
                 return True
         return False
 
+    def _is_exclusive(self, ns_key, test_string):
+        regex_obj = self._matches_regex(test_string, ns_key, return_obj=True)
+        if regex_obj:
+            return regex_obj["exclusive"]
+        return False
+
     def _matches_user(self, event, member_list):
         if (hasattr(event, "sender") and
                 self.is_interested_in_user(event.sender)):
@@ -143,5 +163,14 @@ class ApplicationService(object):
     def is_interested_in_room(self, room_id):
         return self._matches_regex(room_id, ApplicationService.NS_ROOMS)
 
+    def is_exclusive_user(self, user_id):
+        return self._is_exclusive(ApplicationService.NS_USERS, user_id)
+
+    def is_exclusive_alias(self, alias):
+        return self._is_exclusive(ApplicationService.NS_ALIASES, alias)
+
+    def is_exclusive_room(self, room_id):
+        return self._is_exclusive(ApplicationService.NS_ROOMS, room_id)
+
     def __str__(self):
         return "ApplicationService: %s" % (self.__dict__,)