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<?php
namespace Kanboard\Core\Ldap;
/**
* LDAP Client
*
* @package ldap
* @author Frederic Guillot
*/
class Client
{
/**
* Get server connection
*
* @access public
* @param string $server LDAP server hostname or IP
* @param integer $port LDAP port
* @param boolean $tls Start TLS
* @param boolean $verify Skip SSL certificate verification
* @return resource
*/
public function getConnection($server, $port = LDAP_PORT, $tls = LDAP_START_TLS, $verify = LDAP_SSL_VERIFY)
{
if (! function_exists('ldap_connect')) {
throw new ClientException('LDAP: The PHP LDAP extension is required');
}
if (! $verify) {
putenv('LDAPTLS_REQCERT=never');
}
$ldap = ldap_connect($server, $port);
if ($ldap === false) {
throw new ClientException('LDAP: Unable to connect to the LDAP server');
}
ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
ldap_set_option($ldap, LDAP_OPT_NETWORK_TIMEOUT, 1);
ldap_set_option($ldap, LDAP_OPT_TIMELIMIT, 1);
if ($tls && ! @ldap_start_tls($ldap)) {
throw new ClientException('LDAP: Unable to start TLS');
}
return $ldap;
}
/**
* Anonymous authentication
*
* @access public
* @param resource $ldap
* @return boolean
*/
public function useAnonymousAuthentication($ldap)
{
if (! ldap_bind($ldap)) {
throw new ClientException('Unable to perform anonymous binding');
}
return true;
}
/**
* Authentication with username/password
*
* @access public
* @param resource $ldap
* @param string $username
* @param string $password
* @return boolean
*/
public function authenticate($ldap, $username, $password)
{
if (! ldap_bind($ldap, $username, $password)) {
throw new ClientException('Unable to perform anonymous binding');
}
return true;
}
}
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