=============== 1 =====================function
validate_credentials()
{$this->load->library('form_validation');$this->form_validation->set_rules('username',
'Username',
'required|max_length[30]|xss_clean');$this->form_validation->set_rules('password',
'Password',
'required|max_length[30]|xss_clean|callback_login_check');if
($this->form_validation->run($this) == FALSE) {$data = array(
'username' => form_error('username','',''), 'password' =>
form_error('password','',''), 'hasil' => 'gagal' );echo
json_encode($data);} else {$username =
strtolower($this->input->post('username'));$this->load->model('mdl_users');$mysql_query
= 'SELECT a.* , b.Branch_name, b.sm_idFROM users aLEFT JOIN
branches b ON (b.Branch_id = a.Branch_id)WHERE
username="'.$username.'"';$query =
$this->_custom_query($mysql_query)->first_row();//Ambil
Informasi Struktur Organisasi$dataInfo = array
('my_title_organization' => '','my_user_id' =>
$query->User_id,);$my_organization_tree =
$this->get_my_organization_tree($dataInfo);$data =
array('username' => $username,'User_id' =>
$query->User_id,'is_logged_in' => true, 'hasil' =>
'sukses', 'User_role_id' => $query->User_role_id, 'is_ajax'
=> true, 'my_title' => $query->Title_organization_id,
'Branch_id' => $query->Branch_id, 'Branch_name' =>
$query->Branch_name, 'organization_tree' =>
$my_organization_tree['strukturAtasan'], 'Title_organization_id'
=> $query->Title_organization_id, 'sm_id' =>
$query->sm_id, ); $this->session->set_userdata($data); //
Modules::run('template/index');echo
json_encode($data);}}=============== 2
=====================function login_check($password) {$username =
$this->input->post('username',TRUE);$this->load->model('mdl_users');$result
= $this->mdl_users->password_check($username,$password);if
($result == FALSE)
{$this->form_validation->set_message('login_check', 'You did
not enter a correct username and/or password');return FALSE;} else
{return TRUE;}}=============== 3 =====================function
password_check($username,$password) {$table =
$this->get_table();$this->db->where('username',
$username);$query =
$this->db->get($table);if($query->num_rows() > 0) {$row
= $query->row(1);$hashed_password = $row->Password;} else
return FALSE; if
(Modules::run('site_security/validate_password',$hashed_password,$password))
{return TRUE;} else return FALSE;}=============== 4
=====================function validate_password
($hashed_password,$password) {$salt = substr($hashed_password, 0,
64);$hash = substr($hashed_password, 64, 64);$password_hash =
hash('sha256',$salt.$password);return ($password_hash ==
$hash);}=============== BUAT PASSWORD =====================function
hash_password ($password) {$salt =
bin2hex(mcrypt_create_iv(32,MCRYPT_DEV_URANDOM));$hash =
hash('sha256',$salt.$password);return $salt.$hash;}
