/**
* Copies a LDAP entry from one DN to another DN.
*
* @param string|\Zend\LDAP\DN $from
* @param string|\Zend\LDAP\DN $to
* @param boolean $recursively
* @return \Zend\LDAP\LDAP Provides a fluid interface
* @throws \Zend\LDAP\Exception
*/
public function copy($from, $to, $recursively = false)
{
$entry = $this->getEntry($from, array(), true);
if ($to instanceof DN) {
$toDnParts = $to->toArray();
} else {
$toDnParts = DN::explodeDn($to);
}
$this->add($to, $entry);
if ($recursively === true && $this->countChildren($from) > 0) {
$children = $this->_getChildrenDns($from);
foreach ($children as $c) {
$cDnParts = DN::explodeDn($c);
$newChildParts = array_merge(array(array_shift($cDnParts)), $toDnParts);
$newChild = DN::implodeDn($newChildParts);
$this->copy($c, $newChild, true);
}
}
return $this;
}
/**
* Checks if given $childDn is beneath $parentDn subtree.
*
* @param string|\Zend\LDAP\DN $childDn
* @param string|\Zend\LDAP\DN $parentDn
* @return boolean
*/
public static function isChildOf($childDn, $parentDn)
{
try {
$keys = array();
$vals = array();
if ($childDn instanceof DN) {
$cdn = $childDn->toArray(DN::ATTR_CASEFOLD_LOWER);
} else {
$cdn = self::explodeDn($childDn, $keys, $vals, DN::ATTR_CASEFOLD_LOWER);
}
if ($parentDn instanceof DN) {
$pdn = $parentDn->toArray(DN::ATTR_CASEFOLD_LOWER);
} else {
$pdn = self::explodeDn($parentDn, $keys, $vals, DN::ATTR_CASEFOLD_LOWER);
}
} catch (Exception $e) {
return false;
}
$startIndex = count($cdn) - count($pdn);
if ($startIndex < 0) {
return false;
}
for ($i = 0; $i < count($pdn); $i++) {
if ($cdn[$i + $startIndex] != $pdn[$i]) {
return false;
}
}
return true;
}
