Require auth for most methods

protos/ezshare.proto

@@ -24,6 +24,7 @@ message File {
         string passcode = 4;
         int64 current_views = 5;
         int64 max_views = 6;
+        string owner = 7;
     };
 
     Metadata metadata = 3;
@@ -86,10 +87,10 @@ message User {
     bytes hashed_password = 3;
     enum Role {
         UNKNOWN = 0;
-        VIEWONLY = 1;
-        USER = 2;
-        ADMIN = 3;
-        UNAPPROVED = 4;
+        UNAPPROVED = 1;
+        VIEWONLY = 4;
+        USER = 7;
+        ADMIN = 10;
     }
     Role user_role = 4;
     bool active = 5;