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<?php
namespace Model;
/**
* LDAP model
*
* @package model
* @author Frederic Guillot
*/
class Ldap extends Base
{
/**
* Authenticate a user
*
* @access public
* @param string $username Username
* @param string $password Password
* @return null|boolean
*/
public function authenticate($username, $password)
{
if (! function_exists('ldap_connect')) {
die('The PHP LDAP extension is required');
}
$ldap = ldap_connect(LDAP_SERVER, LDAP_PORT);
if (! is_resource($ldap)) {
die('Unable to connect to the LDAP server: "'.LDAP_SERVER.'"');
}
ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
if (@ldap_bind($ldap, sprintf(LDAP_USER_DN, $username), $password)) {
return $this->create($username);
}
return false;
}
/**
* Create automatically a new local user after the LDAP authentication
*
* @access public
* @param string $username Username
* @return bool
*/
public function create($username)
{
$userModel = new User($this->db, $this->event);
$user = $userModel->getByUsername($username);
// There is an existing user account
if ($user) {
if ($user['is_ldap_user'] == 1) {
// LDAP user already created
return true;
}
else {
// There is already a local user with that username
return false;
}
}
// Create a LDAP user
$values = array(
'username' => $username,
'is_admin' => 0,
'is_ldap_user' => 1,
);
return $userModel->create($values);
}
}
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