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<?php
class Ldap
{
public static function normalizeDn($dn)
{
return trim(preg_replace('/[,;]\s*/', ',', $dn));
}
public static function getSelfSearchBase($binddn, $searchbase)
{
// To find ourselves we try to figure out the proper search base, since the given one
// might be just for users, not for functional or utility accounts
if (preg_match('/,(OU=.*DC=.*)$/i', Ldap::normalizeDn($binddn), $out)) {
// Get OU from binddn; works if not given short form of DOMAIN\user or user@domain.fqdn.com
$searchbase = $out[1];
} elseif (preg_match('/,(DC=.*)$/i', Ldap::normalizeDn($searchbase), $out)) {
// Otherwise, shorten search base enough to only consider the DC=..,DC=.. part at the end
$searchbase = $out[1];
}
return $searchbase;
}
}
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