Sample HttpModule for CRM 2013 on premise.

Suppose we have to redirect user belonging to a specific group to some specific page, while they try to access CRM 2013.

For this we can implement an HttpModule

Sample code


public class Class1 : IHttpModule
{
public void Dispose()
{

}
public delegate void MyEventHandler(Object s, EventArgs e);
private MyEventHandler _eventHandler = null;

public event MyEventHandler MyEvent
{
add { _eventHandler += value; }
remove { _eventHandler -= value; }
}
public void Init(HttpApplication context)
{
context.AuthenticateRequest += new EventHandler(ContextOnAuthenticateRequest);
}

private void ContextOnAuthenticateRequest(object sender, EventArgs eventArgs)
{
HttpApplication app = sender as HttpApplication;
HttpContext context = app.Context;

// if the user belongs to adminsitrators role or reporting group
// redirect the user to bing.com
if (context.User.IsInRole(@"BUILTIN\Administrators") &&
context.User.IsInRole(@"LSS\ReportingGroup {0993772e-cfb6-47ba-8b88-2129bfc97f89}"))
{
app.Context.Response.Redirect("http://www.bing.com");
}

if (_eventHandler != null)
_eventHandler(this, null);
}
}

 

Put the dll in the bin of the CRMWeb

..\Microsoft Dynamics CRM\CRMWeb\bin

And register the http module in the web.config

(use sn –T MyModule.dll to get the public key token)

Moreover this can be implemented using URLRewrite as it runs before the authentication so we wont be able to get the username

http://www.iis.net/downloads/microsoft/url-rewrite

Hope it helps

 

 


Author: Nishant Rana

I love working in and sharing everything about Microsoft.NET technology !

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