icingaweb2/library/Icinga/Authentication/User/ExternalBackend.php

81 lines
1.8 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Authentication\User;
use Icinga\Data\ConfigObject;
use Icinga\User;
/**
* Test login with external authentication mechanism, e.g. Apache
*/
class ExternalBackend implements UserBackendInterface
{
/**
* The name of this backend
*
* @var string
*/
protected $name;
/**
* Regexp expression to strip values from a username
*
* @var string
*/
protected $stripUsernameRegexp;
/**
* Create new authentication backend of type "external"
*
* @param ConfigObject $config
*/
public function __construct(ConfigObject $config)
{
$this->stripUsernameRegexp = $config->get('strip_username_regexp');
}
/**
* {@inheritdoc}
*/
public function setName($name)
{
$this->name = $name;
return $this;
}
/**
* {@inheritdoc}
*/
public function getName()
{
return $this->name;
}
/**
* {@inheritdoc}
*/
public function authenticate(User $user, $password = null)
{
if (isset($_SERVER['REMOTE_USER'])) {
$username = $_SERVER['REMOTE_USER'];
$user->setExternalUserInformation($username, 'REMOTE_USER');
if ($this->stripUsernameRegexp) {
$stripped = preg_replace($this->stripUsernameRegexp, '', $username);
if ($stripped !== false) {
// TODO(el): PHP issues a warning when PHP cannot compile the regular expression. Should we log an
// additional message in that case?
$username = $stripped;
}
}
$user->setUsername($username);
return true;
}
return false;
}
}