Programming Logon/Logoff Events in Custom Authentication Provider - Extend It! ( Programming in VS2005 & 2008, ASP.Net 2.0 )

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12/11/2007 11:33 AM

	CBoland
6 posts

Programming Logon/Logoff Events in Custom Authentication Provider

In my application, I need to perform additional work when the user logs on and logs off. I've taken the approach of creating a custom authentication provider by copying the DNN provider. I've also created a package installer to install/uninstall the provider. I am able to install my custom provider and login/logout of the application, so this part is working correctly.

For the login event, I've simply added my code to the cmdLogin_Click event handler in Login.ascx.vb. This part also works correctly.

For the logoff event, I need help: where do I program this? Looking at the OpenID and LiveID providers, I can see that they utilize a Logoff.ascx control. I added a Logoff.ascx control to my provider and updated the .dnn file accordingly (adding logoffControlSrc and file elements). The Logoff.ascx control gets installed into the site, but never seems to be utilized. Once logged in, I see the Logout link, but shouldn't my Logoff.ascx control be there instead?

What am I missing here? Is there a better way to customize the logon/logoff events?

TIA

4/1/2008 12:12 AM

	Federica
2 posts

Re: Programming Logon/Logoff Events in Custom Authentication Provider

I have the same issue.

Has nobody found a solution?

Thanks

4/1/2008 6:23 AM

	jipsen
18 posts

Re: Programming Logon/Logoff Events in Custom Authentication Provider

In the AuthenticationController.vb ( part of DotnetNuke.Library) check the value for AuthenticationInfo.LogoffControlSrc it should point to your installed Logoff control Also when I changed the Membership provider I had added the Code for the Login, directly to the "UserLogin" Membership Method. To check what is happening at logoff put a breakpoint in the Page_load of your ~\admin\Authentication\Logoff.ascx.vb Best Regards Jutta Ipsen

4/22/2008 3:14 AM

	Federica
2 posts

Re: Programming Logon/Logoff Events in Custom Authentication Provider

Thanks, jipsen, your tips were very useful and I've resolved my troubles.

My custom login has to work exactly as DNN login does, I just have to add some cookies when the user logs in and clear them when the user logs off. So I copied the core login and add some code lines. But I forgot to change the line which adds to the http context the AuthenticationType, so it was DNN and when the user tried to logoff the site tried to use the core logoff procedure!

The line I mentioned is this:

Dim eventArgs As UserAuthenticatedEventArgs = New UserAuthenticatedEventArgs(objUser, txtUsername.Text, loginStatus, "DNN")

changed:

Dim eventArgs As UserAuthenticatedEventArgs = New UserAuthenticatedEventArgs(objUser, txtUsername.Text, loginStatus, "_mycustomlogintype_")

Hope this could help someone else.

Thank you

Federica

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