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POUrlRewriter+HttpModule+Session problem
 

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    <p>I need to write a custom "UrlRewriter" using a HttpModule, in the moment of "rewriting" I need access to the Session and has followed the advice from another SO thread:</p> <p><a href="https://stackoverflow.com/questions/276355/can-i-access-session-state-from-an-httpmodule">Can I access session state from an HTTPModule?</a></p> <p>Everything works, except the RewritePath/Redirect part. I don't get any exceptions, but the browser takes forever to load. Is this really the best way to build a urlrewriter like this?</p> <pre><code>using System; using System.Web; using System.Web.SessionState; using System.Diagnostics; namespace MyCompany.Campaigns { public class CampaignRewriteModule : IHttpModule { public void Init(HttpApplication application) { application.PostAcquireRequestState += new EventHandler(Application_PostAcquireRequestState); application.PostMapRequestHandler += new EventHandler(Application_PostMapRequestHandler); } void Application_PostMapRequestHandler(object source, EventArgs e) { HttpApplication app = (HttpApplication)source; if (app.Context.Handler is IReadOnlySessionState || app.Context.Handler is IRequiresSessionState) { return; } app.Context.Handler = new MyHttpHandler(app.Context.Handler); } void Application_PostAcquireRequestState(object source, EventArgs e) { HttpApplication app = (HttpApplication)source; MyHttpHandler resourceHttpHandler = HttpContext.Current.Handler as MyHttpHandler; if (resourceHttpHandler != null) { HttpContext.Current.Handler = resourceHttpHandler.OriginalHandler; } Debug.Assert(app.Session != null); string path = HttpUtils.Path(); if (!CampaignCodeMethods.IsValidCampaignCode(path)) return; string domain = HttpUtils.Domain(); CampaignCode code = CampaignManager.RegisterCode(path, domain.Equals(Config.Instance.Domain.ToLower()) ? null : domain); if (code != null) { //app.Context.RewritePath(code.CampaignCodePath.Path, false); app.Context.Response.Redirect(code.CampaignCodePath.Path, true); } } public void Dispose() { } public class MyHttpHandler : IHttpHandler, IRequiresSessionState { internal readonly IHttpHandler OriginalHandler; public MyHttpHandler(IHttpHandler originalHandler) { OriginalHandler = originalHandler; } public void ProcessRequest(HttpContext context) { throw new InvalidOperationException("MyHttpHandler cannot process requests."); } public bool IsReusable { get { return false; } } } } } </code></pre>
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      1. USJohn Leidegren
 

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