Adding in an endpoint for super user messages.

endpoints/api/superuser.py

@@ -819,3 +819,41 @@ class SuperUserServiceKeyApproval(ApiResource):
       return make_response('', 201)
 
     abort(403)
+
+@resource('/v1/superuser/messages')
+@show_if(features.SUPER_USERS)
+class ListMessages(ApiResource):
+  """ Resource for getting a list of super user messages """
+
+  schemas = {
+    'messages': {
+      'id': 'messages',
+      'type': 'object',
+      'description': 'Messages that a super user has saved in the past',
+      'properties': {
+        'messages': {
+          'type': 'array',
+          'description': 'Array of message',
+          'items': {
+            'type': 'object',
+            'description': 'A single message',
+            'properties': {
+              'content': {
+                'type': 'string',
+                'description': 'The actual message',
+              },
+            },
+          }
+        },
+      },
+    },
+  }
+
+  @nickname('getMessages')
+  @require_scope(scopes.SUPERUSER)
+  def get(self):
+    """ Return a super users messages """
+    messages = []
+    return {
+      'messages': messages,
+    }