P2O-Vancouver-2021-ProxyShell-snippet-3.cs

public static string RemoveExplicitLogonFromUrlAbsoluteUri(string absoluteUri, string explicitLogonAddress) { 
    ArgumentValidator.ThrowIfNull("absoluteUri", absoluteUri); 
    ArgumentValidator.ThrowIfNull("explicitLogonAddress", explicitLogonAddress); 
    string text = "/" + explicitLogonAddress; 
    int num = absoluteUri.IndexOf(text); 
    if (num != -1) { 
        return absoluteUri.Substring(0, num) + absoluteUri.Substring(num + text.Length); 
    } 
    return absoluteUri; 
}