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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Ldap\Adapter\ExtLdap;
use Symfony\Component\Ldap\Adapter\AdapterInterface;
use Symfony\Component\Ldap\Exception\LdapException;
/**
* @author Charles Sarrazin <charles@sarraz.in>
*/
class Adapter implements AdapterInterface
{
private $config;
private $connection;
private $entryManager;
public function __construct(array $config = [])
{
if (!\extension_loaded('ldap')) {
throw new LdapException('The LDAP PHP extension is not enabled.');
}
$this->config = $config;
}
/**
* {@inheritdoc}
*/
public function getConnection()
{
if (null === $this->connection) {
$this->connection = new Connection($this->config);
}
return $this->connection;
}
/**
* {@inheritdoc}
*/
public function getEntryManager()
{
if (null === $this->entryManager) {
$this->entryManager = new EntryManager($this->getConnection());
}
return $this->entryManager;
}
/**
* {@inheritdoc}
*/
public function createQuery($dn, $query, array $options = [])
{
return new Query($this->getConnection(), $dn, $query, $options);
}
/**
* {@inheritdoc}
*/
public function escape($subject, $ignore = '', $flags = 0)
{
$value = ldap_escape($subject, $ignore, $flags);
// Per RFC 4514, leading/trailing spaces should be encoded in DNs, as well as carriage returns.
if ((int) $flags & LDAP_ESCAPE_DN) {
if (!empty($value) && ' ' === $value[0]) {
$value = '\\20'.substr($value, 1);
}
if (!empty($value) && ' ' === $value[\strlen($value) - 1]) {
$value = substr($value, 0, -1).'\\20';
}
$value = str_replace("\r", '\0d', $value);
}
return $value;
}
}
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