<?php
namespace app\components;
use Yii;
use yii\base\Component;
use yii\helpers\Html;

class Myldap extends Component{
    public $err_msg = "";


    function connect($servername, $ldap_port)
    {
        $ds = @ldap_connect($servername,$ldap_port);  // must be a valid LDAP server!
        return $ds;
    }

    function bind($ds,$rdn,$pwd)
    {
        if (!$ds)
            return FALSE;
        $r = @ldap_bind($ds,$rdn,$pwd);
        return $r;
    }

    function close($ds)
    {
        @ldap_close($ds);
    }

    function set_error($err_str)
    {
        $this->err_msg = $err_str;
    }

    function clear_error()
    {
        $this->err_msg = '';
    }

    function get_last_error()
    {
        return $this->err_msg;
    }

    function authenticate($ds,$rdn,$pwd,$port='389')
    {
        $ldap_con = $this->connect($ds,$port);
        if ($ldap_con == FALSE)
        {
            return ldap_error($ldap_con);
        }
        $ldap_bind = $this->bind($ldap_con,$rdn,$pwd);
        if ($ldap_bind == FALSE)
        {
            return ldap_error($ldap_con);
        }
        $this->close($ldap_con);
        return "Login Success";
    }


}
?>