How do I use authorization filter in web API?

Using the [Authorize] Attribute

  1. Globally: To restrict access for every Web API controller, add the AuthorizeAttribute filter to the global filter list:
  2. Controller: To restrict access for a specific controller, add the filter as an attribute to the controller:

What type of authentication is used in web API Mcq?

Web API uses standard security like token authentication, basic authentication, etc., to provide secure service whereas WCF uses WS-I standard to provide secure service.

Can we consume ASP Net web API in applications created using other than net?

Yes, we can consume ASP.NET Web API in the applications created using another language than . NET but that application must have access/supports to the HTTP protocol.

Does web API asp net supports to non soap based like XML or JSON?

ASP.NET Web API is another way to build non-SOAP-based services, i.e., plain XML or JSON string. Web API is lightweight due to using HTTP only so. It cannot match the power and flexibility of WCF. Web API is perfect if you only need to use HTTP as your transport.

What are the filters in Web API?

Web API Filters

Filter Type Interface Class
Action Filter IActionFilter ActionFilterAttribute
Authentication Filter IAuthenticationFilter
Authorization Filter IAuthorizationFilter AuthorizationFilterAttribute
Exception Filter IExceptionFilter ExceptionFilterAttribute

How do you handle errors in Web API?

You can customize how Web API handles exceptions by writing an exception filter. An exception filter is executed when a controller method throws any unhandled exception that is not an HttpResponseException exception.

What is Cors policy in Web API?

Cross-Origin Resource Sharing in ASP.NET Web API allows cross-domain access to your Web API methods. CORS is a W3C standard that allows you to get away from the same origin policy adopted by the browsers to restrict access from one domain to resources belonging to another domain.

Can Web API return view?

You can return one or the other, not both. Frankly, a WebAPI controller returns nothing but data, never a view page. A MVC controller returns view pages.

What type of authentication is used in Web API?

ASP.NET Web API is a service which can be accessed over the HTTP by any client. So, providing security to the Web API is very important, which can be easily done with the process called Token based authentication.

What is key clock?

Keycloak is an open source software product to allow single sign-on with Identity and Access Management aimed at modern applications and services.