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POASP.NET MVC Custom HttpHandler
 

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    <p>I'm follow this tutorial to use CAPTCHA in MVC application: <a href="http://coderjournal.com/2008/03/actionfilterattribute-aspnet-mvc-captcha/" rel="nofollow noreferrer">http://coderjournal.com/2008/03/actionfilterattribute-aspnet-mvc-captcha/</a></p> <p>I think this was made to ealry versions of ASP.NET MVC,because it doenst work for me.</p> <p>Problem is that captcha image never shows,cause the custom handler (captcha.ashx) never gets the request.</p> <p>In web.config:</p> <pre><code>&lt;httpHandlers&gt; &lt;remove verb="*" path="*.asmx"/&gt; &lt;add verb="GET" validate="false" path="captcha.ashx" type="SCE.Models.Helpers.Captcha.CaptchaHandler"/&gt; &lt;/httpHandlers&gt; </code></pre> <p>The handler:</p> <pre><code>namespace SCE.Models.Helpers.Captcha { public class CaptchaHandler : IHttpHandler { public bool IsReusable { get { return true; } } public void ProcessRequest(HttpContext context) { string guid = context.Request.QueryString["guid"]; CaptchaImage ci = CaptchaImage.GetCachedCaptcha(guid); if (String.IsNullOrEmpty(guid) || ci == null) { context.Response.StatusCode = 404; context.Response.StatusDescription = "Not found"; context.ApplicationInstance.CompleteRequest(); return; } using (Bitmap b = ci.RenderImage()) { b.Save(context.Response.OutputStream, ImageFormat.Gif); } context.Response.ContentType = "image/png"; context.Response.StatusCode = 200; context.Response.StatusDescription = "OK"; context.ApplicationInstance.CompleteRequest(); } } } </code></pre> <p>It seem newer version of MVC has changed the way they route handler,but i dont know what exactly...</p> <p>Any ideias to call the handler?</p> <p>UPDATE: Here is the solution ive found: In global.asax file:</p> <pre><code>routes.IgnoreRoute("{filename}.ashx/{*pathInfo}"); </code></pre>
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    1. COThe code you link to is written for ASP.NET MVC Preview 1 or 2. You don't even need a custom HTTP handler for this. Are you just looking to use a CAPTCHA in your ASP.NET MVC site?
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    2. COpossible duplicate of [How to Use Captcha in asp.net mvc](http://stackoverflow.com/questions/2286688/how-to-use-captcha-in-asp-net-mvc)
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    3. COyes captcha in mvc...but not recaptcha
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