ASP.NET Web API authentication always redirecting to login page

Question

My ASP.NET MVC application is using Forms authentication with [System.Web.Mvc.Authorize] . I would like to use [System.Web.Http.Authorize] attribute to protect my Web API controller and because i'm calling it with HttpClient from my MVC controller I've have implemented a custom delegating handler like the one in the following post:

ASP.NET MVC 4 Web API Authentication with Membership Provider

When debugging i can see that the principal is set and the user has right roles but still I'm being redirected to the login page?

So basically when i log in and visit the WebAPI action with browser everything works (as would if i use AJAX from my views), but when i use HttpClient inside my controller (which i know is a new request with different context) with Basic authentication and set the principal i always get redirected.

I've tried so many solutions/workarounds and i'm always redirected to login page. Anyone has an idea.

So, when you have logged in, did you verify in the delegating handler that the login cookie is sent for each request. If so, it should authorize you — Saravanan
– Saravanan, Commented May 23, 2014 at 3:54

Community · Accepted Answer · 2017-05-23 12:14:34Z

1

Here's an explanation:

System-web-http-authorize x System-web-mvc-authorize

Another interesting point is you use your custom authorization. I did it and it worked. Following example:

Customized authorization Mvc 4

Good Luck

edited May 23, 2017 at 12:14

CommunityBot

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answered May 30, 2014 at 14:53

Fernando Arce

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