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			60 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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|  
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| /**
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|  * Auth library
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|  *
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|  * @author  Anggy Trisnawan
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|  */
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| class Auth{
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|    var $CI = NULL;
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|    function __construct()
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|    {
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|       // get CI's object
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|       $this->CI =& get_instance();
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|    }
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|    // untuk validasi login
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|    function do_login($username,$password)
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|    {
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|       // cek di database, ada ga?
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|       $this->CI->db->from('user');
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|       $this->CI->db->where('username',$username);
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|       $this->CI->db->where('password=("'.$password.'")','',false);
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|       $result = $this->CI->db->get();
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|       if($result->num_rows() == 0)
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|       {
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|          // username dan password tsb tidak ada
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|          return false;
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|       }
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|       else
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|       {
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|          // ada, maka ambil informasi dari database
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|          $userdata = $result->row();
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|          $session_data = array(
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|             'user_id'   => $userdata->user_id,
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|             'nama'      => $userdata->username,
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| 			'is_log_in' => TRUE
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|             //'level'     => $userdata->user_level
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|          );
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|          // buat session
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|          $this->CI->session->set_userdata($session_data);
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|          return true;
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|       }
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|    }
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|    // untuk mengecek apakah user sudah login/belum
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|    function is_logged_in()
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|    {
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|       if($this->CI->session->userdata('user_id') == '')
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|       {
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|          return false;
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|       }
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|       return true;
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|    }
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|    // untuk validasi di setiap halaman yang mengharuskan authentikasi
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|    function restrict()
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|    {
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|       if($this->is_logged_in() == false)
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|       {
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|          redirect('home/login');
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|       }
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|    }
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| } | 
