60 lines
1.5 KiB
PHP
60 lines
1.5 KiB
PHP
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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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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}
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