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Connection.php
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Connection.php
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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\AbstractConnection;
use Symfony\Component\Ldap\Exception\ConnectionException;
use Symfony\Component\Ldap\Exception\LdapException;
/**
* @author Charles Sarrazin <charles@sarraz.in>
*/
class Connection extends AbstractConnection
{
/** @var bool */
private $bound = false;
/** @var resource */
private $connection;
public function __destruct()
{
$this->disconnect();
}
/**
* {@inheritdoc}
*/
public function isBound()
{
return $this->bound;
}
/**
* {@inheritdoc}
*/
public function bind($dn = null, $password = null)
{
if (!$this->connection) {
$this->connect();
}
if (false === @ldap_bind($this->connection, $dn, $password)) {
throw new ConnectionException(ldap_error($this->connection));
}
$this->bound = true;
}
/**
* Returns a link resource.
*
* @return resource
*
* @internal
*/
public function getResource()
{
return $this->connection;
}
private function connect()
{
if ($this->connection) {
return;
}
$host = $this->config['host'];
ldap_set_option($this->connection, LDAP_OPT_PROTOCOL_VERSION, $this->config['version']);
ldap_set_option($this->connection, LDAP_OPT_REFERRALS, $this->config['optReferrals']);
$this->connection = ldap_connect($host, $this->config['port']);
if (false === $this->connection) {
throw new LdapException(sprintf('Could not connect to Ldap server: %s', ldap_error($this->connection)));
}
if ($this->config['useStartTls'] && false === ldap_start_tls($this->connection)) {
throw new LdapException(sprintf('Could not initiate TLS connection: %s', ldap_error($this->connection)));
}
}
private function disconnect()
{
if ($this->connection && is_resource($this->connection)) {
ldap_close($this->connection);
}
$this->connection = null;
$this->bound = false;
}
}