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  • Zac 239 posts 541 karma points
    Jun 27, 2013 @ 16:48
    Zac
    0

    Source code?

    Would you be willing to share the source code for this project with us?  
    We're looking to implement a dynamic robots.txt file but it would need to handle some special use cases.

    Thanks

    Zac

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  • Sebastiaan Janssen 5061 posts 15544 karma points MVP admin hq
    Jun 28, 2013 @ 08:56
    Sebastiaan Janssen
    1

    Hey Zac,

    Looks like I kinda lost the source code for this, but not to worry, a little decompile helped, this is all there is to it: 

    using System;
    using System.IO;
    using System.Web;
    
namespace Cultiv.DynamicRobots
    {
        public class RobotsTxt : IHttpHandler
        {
            public bool IsReusable
            {
                get { return true; }
            }

            public void ProcessRequest(HttpContext context)
            {
                context.Response.ContentType = "text/plain";
            var path = HttpContext.Current.Server.MapPath(VirtualPathUtility.ToAbsolute("~/robots.txt"));
            if (File.Exists(path))
            {
                var streamReader = File.OpenText(path);
                var text = streamReader.ReadToEnd();
                context.Response.Write(text.Replace("{HTTP_HOST}", HttpContext.Current.Request.ServerVariables["HTTP_HOST"]));
                streamReader.Close();
                streamReader.Dispose();
            }
            else
            {
                context.Response.Write("");
            }
        }
    }
}
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  • Zac 239 posts 541 karma points
    Jun 28, 2013 @ 14:50
    Zac
    0

    Thanks!

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  • serhio 22 posts 82 karma points
    Apr 16, 2015 @ 12:10
    serhio
    0

    if a site is multilingual, like "mysite.com/de", what should be instead of "HttpContext.Current.Request.ServerVariables["HTTP_HOST"]"?

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