README

[CodeIgniter4.0.3 LDAP Authentication]

composer require phpcodemaker/ci4-authldap:1.0

Thanks to the Forumsys Site to make LDAP connection testing
https://www.forumsys.com/tutorials/integration-how-to/ldap/online-ldap-test-server

To check your LDAP connection in local, Execute the below command in Terminal
/var/www/html$ ldapsearch -W -h ldap.forumsys.com -D "uid=riemann,dc=example,dc=com" -b "dc=example,dc=com"

#Public Methods Authenticate User by UserName and Password AuthLdap::authenticate($userName, $password);

Retrieve All Users from LDAP directory
AuthLdap::getAllUsers();

Retrieve All Groups from LDAP directory
AuthLdap::getAllGroups();

Create your Own User Controller for login and logout as follows,

<?php
namespace App\Controllers;
use AuthLdap\Libraries\AuthLdap;
use CodeIgniter\View\View;

/**
 * Class User
 * @package App\Controllers
 * @author Karthikeyan C <karthikn.mca@gmail.com>
 */
class User extends BaseController
{
    /**
     * @var AuthLdap $authLdap
     */
    private $authLdap;

    /**
     * If Already declared Session in BaseController,
     * then comment the below declaration
     * @var \CodeIgniter\Session\Session
     */
    private $session;

    /**
     * User constructor.
     */
    public function __construct()
    {
        /**
         * If Already declared Session in BaseController,
         * then comment the below declaration
         */
        $this->session = \Config\Services::session();
    }

    /**
     * @return \CodeIgniter\HTTP\RedirectResponse|View  (postlogin redirect | pre-login template)
     * @author Karthikeyan C <karthikn.mca@gmail.com>
     */
    public function login()
	{
	    if (null !== $this->request->getPost('username')
                && null !== $this->request->getPost('password'))
        {
            $this->authLdap = new AuthLdap();
            if (is_object($this->authLdap)
                    && method_exists($this->authLdap, 'authenticate'))
            {
                $authenticatedUserData  =   $this->authLdap->authenticate(
                                                trim($this->request->getPost('username')),
                                                trim($this->request->getPost('password'))
                                            );
                if (!empty($authenticatedUserData))
                {
                    $this->session->set($authenticatedUserData);
                    return redirect()->to('/user/dashboard');
                }
                else {
                    // report login failure
                }
            }
            else {
                //report about ldap error
            }
        }
		return view('user/login');
	}

    /**
     * @return string
     * @author Karthikeyan C <karthikn.mca@gmail.com>
     */
	public function logout()
    {
        $this->session->destroy();
        return view('user/logout');
    }

    /**
     * @author Karthikeyan C <karthikn.mca@gmail.com>
     */
    public function dashboard()
    {
		// do your own stuff here
    }
}

[login]
login : http://localhost/user/login
logout : http://localhost/user/logout

[Test Credentials]
username : riemann
password : password