This questions refers to the angular-app project and the way it authenticates users.
The original implementation guards access to some urls by using resolve clause o
Have you tried something like this.
return securityAuthorizationProvider.requireAuthenticatedUser().then(function() { return Restangular.all('tickets').getList(); });
Basically requireAuthenticatedUser returns a promise so you can chain it with the call to Restangular call.
requireAuthenticatedUser