<?php
  class Acceso {
    private $email;
    private $user;
    private $pass;

    private function Encrypt($string) {
      $sizeof = strlen($string) -1;
      $result = '';
      for ($x =$sizeof; $x >= 0; $x--) {
      $result .= $string[$x];
      }
      $result = md5($result);
      return $result;
    }

    public function Login() {
        try {
          if (!empty($_POST['user']) and !empty($_POST['pass']) and !empty($_POST['session'])) {
              $db = new Conexion();
              $this->user = $db->real_escape_string($_POST['user']);
              $this->pass = $this->Encrypt($_POST['pass']);

              $sql = $db->query("SELECT * FROM users WHERE  user='$this->user' AND pass='$this->pass';");
              if ($db->rows($sql) > 0) {
                $datos = $db->recorrer($sql);
                $_SESSION['user'] = $datos['user'];
                $_SESSION['user'] = $datos['user'];
                $_SESSION['email'] = $datos['email'];
                if ($_POST['session'] == true) { ini_set('session.cookie_lifetime', time() + (60*60*24*2));}
                echo 1;
              }
               else {
                 throw new Exception(2);

               }
               $db->liberar($sql);
               $db->close();


          }else {
              throw new Exception('ERROR: datos vacíos.');

          }
        } catch (Exception $login) {
          echo $login->getMessage();
        }

    }
    public function Recuperar() {

    }
    public function Registrar() {

    }
  }
 ?>