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Setting up sliding sessions in Windows Identity Foundation(WIF) 4.5

I talked about sliding sessions before. With the release of WIF 4.5, a lot of changes were introduced.

So to get sliding sessions working in .NET 4.5, replace the old implementation of the SessionSecurityTokenReceived method with the following:

void SessionSecurityTokenReceived(object sender,
System.IdentityModel.Services.SessionSecurityTokenReceivedEventArgs e)
{
DateTime now = DateTime.UtcNow;
SessionSecurityToken sst = e.SessionToken;
DateTime validFrom = sst.ValidFrom;
DateTime validTo = sst.ValidTo;
if ((now < validTo) && (now > validFrom.AddMinutes( (validTo.Minute - validFrom.Minute) / 2)) )
{
SessionAuthenticationModule sam = sender as SessionAuthenticationModule;
e.SessionToken = sam.CreateSessionSecurityToken(sst.ClaimsPrincipal,
sst.Context,
now,
now.AddMinutes(2),
sst.IsPersistent);
e.ReissueCookie = true;
}
}
view raw SlidingExpiration.cs hosted with ❤ by GitHub

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