RoutePrefix with a "." in it confuses the /help

[RobBeardsworth]

When you run the following code (obviously RandomClass is defined elsewhere):

using System.Web.Http;
using DotInRoutePrefix.Models;

namespace DotInRoutePrefix.Controllers
{
    [RoutePrefix("Start/A.B/End")]
    public class AbController : ApiController
    {
        [Route("Do")]
        public void Post([FromBody]RandomClass value)
        {
        }
    }

    [RoutePrefix("Start/CD/End")]
    public class CdController : ApiController
    {
        [Route("Do")]
        public void Post([FromBody]RandomClass value)
        {
        }
    }
}

and navigate to localhost:nnnn/help, you are offered 2 links:

http://localhost:nnnn/Help/Api/POST-Start-A.B-End-Do (brings a 404)
http://localhost:nnnn/Help/Api/POST-Start-CD-End-Do (brings the expected info)

Post(man)-ing to e.g. http:localhost:nnnn/start/a.b/end/do works fine.

Rob

[dougbu]

Have marked this issue as up-for-grabs. This means we will review a PR filling this gap if someone submits one. We're thinking it may be a trivial fix in the Help Pages code but have not investigated.

[kharai-tor]

Been doing some testing on this and looks like it might not be a help page problem.

Given the controller:

public class DemoController : ApiController
{
    [HttpGet]
    [Route("the.action")]
    public string ActionA()
    {
        return "Action A Responding";
    }

    [HttpGet]
    [Route("the.action/b")]
    public string ActionB()
    {
        return "Action B Responding";
    }
}

Calling /the.action/b from the browser correctly returns Action B Responding
However /the.action returns 404

I think the framework only accepts dots when they're before the last slash. However weird that sounds...

[dougbu]

@TKharaishvili thanks for the detailed investigation. I'll follow up to determine if some URI mapping is treating the .action portion as a format name.

[mkArtakMSFT]

Thanks for contacting us.
We're not making any improvements in this area as this project is in maintenance mode. So only critical blocking and security bugs are considered.