https://www.sitepoint.com/angular-authentication-oidc/
origin - http://www.pipiscrew.com/2017/10/create-an-angular-app-with-authentication/ create-an-angular-app-with-authentication
https://www.sitepoint.com/angular-authentication-oidc/
origin - http://www.pipiscrew.com/2017/10/create-an-angular-app-with-authentication/ create-an-angular-app-with-authentication