ASP.NET MVC 4 routing not working when the id has a file extension

Question

In MVC 3 I didn't have an issue, but now I have gone to MVC 4 I do.

The URL looked like this:

{controller}/{action}/{id}

/podcast/file/PODCAST-01.MP4

Where the PODCAST-01.MP4 is the id; when it hits the controller, the controller would then send the file to the client, it was done this way so that we could easily count how many people downloaded the file.

However, now, the web server, thinks there should be a file there and gives a 404 error. I have tried to get around this by making my own 404 error page and then redirecting back with /podcast/file?id=PODCAST-01.MP4 but this doesn't work because iTunes doesn't like it, it doesn't like the "?".

I tried creating a a new route:

routes.MapRoute(
            name: "Default",
            url: "{controller}/{action}/{id}.{format}",
            defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional, format = UrlParameter.Optional });

But that seems to have just broken the routing. Any help would be great.

When you say it breaks the routing, what happens? It looks correct at a glance. — Billdr
– Billdr, Commented Jan 11, 2013 at 12:34
I get this error when I go to any page: "HTTP Error 403.14 - Forbidden The Web server is configured to not list the contents of this directory." when I change the RouteConfig.cs — Paul A.T. Wilson
– Paul A.T. Wilson, Commented Jan 11, 2013 at 15:15
How about adding a constraints section that explicitly defines what a file name should have (and not have)? (there's also, historically, been trouble with consecutive optional parameters) — Brad Christie
– Brad Christie, Commented Jan 11, 2013 at 15:34
For this route {controller}/{action}/{id}.{format}, you need to escape the dot because routes are actually regular expressions. What happens if you use {controller}/{action}/{id}\.{format}? — w.brian
– w.brian, Commented Jan 11, 2013 at 15:34

Radu D · Accepted Answer · 2013-09-10 07:45:59Z

You can do that. In MVC 4 solution web config contains:

<add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness32" responseBufferLimit="0" />
<add name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness64" responseBufferLimit="0" />

You simply have to add before those a new handler for you path

<add name="ManagedFileWithExtension" path="podcast/file*" verb="GET" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />

To delete profile · Accepted Answer · 2013-01-18 14:54:50Z

0

You cannot do that (I think) You have to rest the suffix in your code analysing the Request.

answered Jan 18, 2013 at 14:54

To delete profile

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