/// <summary>Converts a domain FQDN to a distinguished.</summary>
/// <param name="domainFqdn">The domain FQDN.</param>
/// <returns>The distinguished name representation of the <see cref="Fqdn"/>.</returns>
private static string ToDistinguishedName(this Fqdn domainFqdn)
{
return($"DC={domainFqdn.ToString().Replace(".", ",DC=")}");
}
/// <summary>Converts a FQDN to an LDAP connection string.</summary>
/// <param name="domainFqdn">The domain FQDN.</param>
/// <param name="domainControllerFqdn">The domain controller FQDN to use in this domain. (NOTE: this can be an IP address).</param>
/// <returns>An LDAP formatted connection string.</returns>
public static string ToLdapConnectionString(this Fqdn domainFqdn, string domainControllerFqdn)
{
if (!IPAddress.TryParse(domainControllerFqdn, out IPAddress ip) && !domainControllerFqdn.ContainsCaseInsensitive(domainFqdn.ToString()))
{
throw new ArgumentException($"The {nameof(domainControllerFqdn)} must be in the same domain as the {nameof(domainFqdn)}", nameof(domainControllerFqdn));
}
return($"LDAP://{domainControllerFqdn}/{domainFqdn.ToDistinguishedName()}");
}