Asp.net webapi exclude route from matching more than once

Question

I have the following routes set up in my webapi..

        //Route for getting the api access token
        config.Routes.MapHttpRoute(
            name: "AccessTokenRoute",
            routeTemplate: "api/access-token",
            defaults: new { controller = "AccessToken" }
        );

        //Default route for the api
        config.Routes.MapHttpRoute(
            name: "DefaultApi",
            routeTemplate: "api/{controller}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );

I have a controller called AccessTokenController. When a request comes in with the url /api/access-token, everything works fine. It hits the appropriate controller.

My problem is that if a request comes in at /api/AccessToken, it will also match the default route. I want to prevent the route from matching if they access it that way. Is there anything that exists in the routing system to do this?

André Scartezini · Accepted Answer · 2012-10-04 15:15:38Z

1

Add a constraint to your DefaultApi route that restrains the access if the controller is AccessToken.

answered Oct 4, 2012 at 15:15

André Scartezini

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3 Comments

Ronnie Over a year ago

Is there a way to do that with the constraint. I have tried setting controller to the following regex with no success. .... constraints: new { controller = @"[^AccessToken]" }

André Scartezini Over a year ago

I'm not good at using regex, so I created a class that implements IRouteConstraint and it worked.

Maggie Ying Over a year ago

try constraints: new { controller = @"^(?!.*accesstoken).*$" }

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