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编辑当前文件:/home2/sdektunc/cansahcab.gob.mx/libraries/vendor/symfony/ldap/Adapter/ExtLdap/Connection.php

<?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\AlreadyExistsException;
use Symfony\Component\Ldap\Exception\ConnectionException;
use Symfony\Component\Ldap\Exception\ConnectionTimeoutException;
use Symfony\Component\Ldap\Exception\InvalidCredentialsException;
use Symfony\Component\Ldap\Exception\LdapException;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * @author Charles Sarrazin <charles@sarraz.in>
 */
class Connection extends AbstractConnection
{
    private const LDAP_INVALID_CREDENTIALS = 0x31;
    private const LDAP_TIMEOUT = 0x55;
    private const LDAP_ALREADY_EXISTS = 0x44;

/** @var bool */
    private $bound = false;

/** @var resource */
    private $connection;

/**
     * @return array
     */
    public function __sleep()
    {
        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
    }

public function __wakeup()
    {
        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
    }

public function __destruct()
    {
        $this->disconnect();
    }

/**
     * {@inheritdoc}
     */
    public function isBound()
    {
        return $this->bound;
    }

/**
     * {@inheritdoc}
     *
     * @param string $password WARNING: When the LDAP server allows unauthenticated binds, a blank $password will always be valid
     */
    public function bind(string $dn = null, string $password = null)
    {
        if (!$this->connection) {
            $this->connect();
        }

if (false === @ldap_bind($this->connection, $dn, $password)) {
            $error = ldap_error($this->connection);
            switch (ldap_errno($this->connection)) {
                case self::LDAP_INVALID_CREDENTIALS:
                    throw new InvalidCredentialsException($error);
                case self::LDAP_TIMEOUT:
                    throw new ConnectionTimeoutException($error);
                case self::LDAP_ALREADY_EXISTS:
                    throw new AlreadyExistsException($error);
            }
            throw new ConnectionException($error);
        }

$this->bound = true;
    }

/**
     * Returns a link resource.
     *
     * @return resource
     *
     * @internal
     */
    public function getResource()
    {
        return $this->connection;
    }

public function setOption(string $name, $value)
    {
        if (!@ldap_set_option($this->connection, ConnectionOptions::getOption($name), $value)) {
            throw new LdapException(sprintf('Could not set value "%s" for option "%s".', $value, $name));
        }
    }

public function getOption(string $name)
    {
        if (!@ldap_get_option($this->connection, ConnectionOptions::getOption($name), $ret)) {
            throw new LdapException(sprintf('Could not retrieve value for option "%s".', $name));
        }

return $ret;
    }

protected function configureOptions(OptionsResolver $resolver)
    {
        parent::configureOptions($resolver);

$resolver->setDefault('debug', false);
        $resolver->setAllowedTypes('debug', 'bool');
        $resolver->setDefault('referrals', false);
        $resolver->setAllowedTypes('referrals', 'bool');
        $resolver->setDefault('options', function (OptionsResolver $options, Options $parent) {
            $options->setDefined(array_map('strtolower', array_keys((new \ReflectionClass(ConnectionOptions::class))->getConstants())));

if (true === $parent['debug']) {
                $options->setDefault('debug_level', 7);
            }

if (!isset($parent['network_timeout'])) {
                $options->setDefault('network_timeout', ini_get('default_socket_timeout'));
            }

$options->setDefaults([
                'protocol_version' => $parent['version'],
                'referrals' => $parent['referrals'],
            ]);
        });
    }

private function connect()
    {
        if ($this->connection) {
            return;
        }

$this->connection = ldap_connect($this->config['connection_string']);

foreach ($this->config['options'] as $name => $value) {
            $this->setOption($name, $value);
        }

if (false === $this->connection) {
            throw new LdapException('Could not connect to Ldap server: '.ldap_error($this->connection));
        }

if ('tls' === $this->config['encryption'] && false === @ldap_start_tls($this->connection)) {
            throw new LdapException('Could not initiate TLS connection: '.ldap_error($this->connection));
        }
    }

private function disconnect()
    {
        if ($this->connection && \is_resource($this->connection)) {
            ldap_unbind($this->connection);
        }

$this->connection = null;
        $this->bound = false;
    }
}