I am new to Codeigniter and still trying to understand some basics.
I am building a registration/login system. everything good for now.
I am creating a controller to show the user info. Before that I want to check if the session existis and if user is logged in, if not I want to redirect to the site root.
class Myprofile extends CI_Controller {
function __construct()
{
$user_data = $this->session->userdata('user_data');
$user_data['logged_in'] = isset($user_data['logged_in']) ? $user_data['logged_in'] : null;
if($user_data['logged_in'] != 1){
redirect();
}
}
public function index(){
redirect("myprofile/info");
}
public function info(){
echo"here I'll ave my info";
}
}
The problem is the error I am getting. It looks like I it can't see the sessions in the construct part of the script.
A PHP Error was encountered
Severity: Notice
Message: Undefined property: Myprofile::$session
Filename: controllers/myprofile.php
Line Number: 6
This would be the very best solution, otherwise I need to put the same code on all the functions.
Hope to hear some feedback help. Thanks
Perhaps the session library is not loaded. Add session class on the autoload array() located in application/config/autoload.php
eg.
$autoload['libraries'] = array('database', 'session', 'output');
class Myprofile extends CI_Controller {
function __construct()
{
$this->load->library('session');
$user_data = $this->session->userdata('user_data');
$user_data['logged_in'] = isset($user_data['logged_in']) ? $user_data['logged_in'] : null;
if($user_data['logged_in'] != 1){
redirect();
}
}
public function index(){
redirect("myprofile/info");
}
public function info(){
echo"here I'll ave my info";
}
}
Related
Im working on Codeigniter 3.1.9 and completed my form on local machine. i just uploaded my app some moment ago on server and getting error
Unable to access an error message corresponding to your field name
URL.(valid_url_format)
i google alot but unable to fix problem.
Filename: My_Form_validation.php
Location: application\libraries
class MY_Form_validation extends CI_Form_validation{
public function __construct()
{
parent::__construct();
}
function valid_url_format($str){
$pattern = "/^(http|https|ftp):\/\/([A-Z0-9][A-Z0-9_-]*(?:\.[A-Z0-9][A-Z0-9_-]*)+):?(\d+)?\/?/i";
if (!preg_match($pattern, $str)){
$this->set_message('valid_url_format', 'The URL you entered is not correctly formatted.');
return FALSE;
}
return TRUE;
}
function url_exists($url){
$url_data = parse_url($url); // scheme, host, port, path, query
if(!fsockopen($url_data['host'], isset($url_data['port']) ? $url_data['port'] : 80)){
$this->set_message('url_exists', 'The URL you entered is not accessible.');
return FALSE;
}
return TRUE;
}
}
Filename: UrlChecker.php
Location:application\controllers
class UrlChecker extends CI_Controller {
public function __construct() {
parent::__construct();
}
public function _initializing(){
}
public function index()
{
$this->form_validation->set_rules('link', 'URL', 'required|trim|valid_url_format|url_exists');
if ($this->form_validation->run() == FALSE)
{
echo validation_errors('<div class="alert alert-danger" role="alert">', '</div>');
}
else
{
echo 'ok';
}
}
Please check and let me know whats wrong is there hosting version problem or there is something else.
I always use custom validation on the fly and its the first time to try to make a custom library for additional validations, anyways i created and tested it to make sure it works, you got to make sure you follow the naming convention, the file name should be like this: MY_Form_validation.php and save it in your application/libraries then create your class:
class MY_Form_validation extends CI_Form_validation
{
// your rules
}
then you have to create error messages for every method, create a lang file in your application/language/english/form_validation_lang.php and add your custom error messages like this:
$lang['valid_url_format'] = 'The {field} field may only contain valid url.';
$lang['url_exists'] = 'The {field} field already exists';
i have a problem with my login in application . in my login authentication a create a library name is "auth" and i also was call "auth" in autoload but when i call a function in "auth" the error say
Message: Undefined property: Auth::$session
here is my library "auth"
class Auth {
public function cek_auth()
{
$this->ci =& get_instance();
$this->sesi = $this->ci->session->userdata('isLogin');
$this->hak = $this->ci->session->userdata('stat');
if($this->sesi != TRUE){
$this->session->set_flashdata("pesan", "Sesi Login anda telah habis");
redirect('user/login');
exit();
}
}
public function hak_akses($kecuali="")
{
if($this->hak==$kecuali){
echo "<script>alert('Anda tidak berhak mengakses halaman ini!');</script>";
redirect('dashboard');
}elseif ($this->hak=="") {
echo "<script>alert('Silahkan Login!');</script>";
redirect('c_login','refresh');
}else{
}
}
}
my controller :
class Dashboard extends CI_Controller{
function __construct()
{
parent::__construct();
$this->auth->cek_auth(); //ngambil auth dari library
}
function index()
{
$hak_akses = $this->session->userdata('lvl');
if($hak_akses==1) {
$data['content'] = 'dashboard';
return $this->load->view('theme/index', $data);
}
}
}
and my autoload :
$autoload['libraries'] = array('database','form_validation','session','auth','parser');
please give me a best solution , thanks
If you are using session in your code then make sure to autoload in config.php file by setting an encryption key. If you don't autoload it then you can load it using $this->load->library('session'). But you must set encryption key in order to autoload or load session in controller functions.
Reference : Undefined property: CI::$session.
Hope this helps :)
Try loading the session library inside
public function __construct()
{
$this->ci =& get_instance();
$this->ci->load->library('session');
$this->sesi = $this->ci->session->userdata('isLogin');
}
I'm not CI programmer, just trying to learn it. Maybe this is wrong approach, please advice.
my controller(not in sub directory) :
class Users extends CI_Controller {
function __construct() {
parent::__construct();
}
public function index($msg = NULL) {
$this->load->helper(array('form'));
$data['msg'] = $msg;
$this->load->view('user/login' , $data);
}
public function process_logout() {
$this->session->sess_destroy();
redirect(base_url());
}
}
And a route for login :
$route['user/login'] = 'users/index';
Problem is when I wanna logout, it shows me 404 because I do not have it in my route :
$route['user/process_logout'] = 'users/process_logout';
and in my view I put logout
When I add that, it works, and that is stuppid to add a route for everything. What I'm I doing wrong, please advice.
Thank you
Don't know why you are trying to implement login feature in index() function. However since you said you are learning CI I'm telling something about _remap() function.
Before that. You can try the following routing:
$route['user/:any'] = 'users/$1';
$route['user/login'] = 'users/index';
If you want to take value immediately after controller segment you need to use _remap() function and this function may be solve your routing problem, i mean you don't need to set routing. Lets implement your code controller 'users' using _remap() function.
class Users extends CI_Controller {
private $sections = array('login', 'logout');
function __construct() {
parent::__construct();
}
public function _remap($method)
{
$section = $this->uri->segment(2);
if(in_array($section, $this->sections))
call_user_func_array(array($this, '_'.$section), array());
else show_404(); // Showing 404 error
}
private function _login()
{
$msg = $this->uri->segment(3);
$this->load->helper(array('form'));
$data['msg'] = $msg;
$this->load->view('user/login' , $data);
}
public function _logout() {
$this->session->sess_destroy();
redirect(base_url());
}
}
My controller can connect to the DB but my model can not. I have autoloaded the DB in the autoload.php file, but no luck in the model.
so if I do something like
$this->db->insert('table', $data);
I receive this Call to a member function insert() on a non-object I have used Codeigniter before but have never had this issue, on my other project I did not even use parent::__construct()
class Bucketlist extends CI_Model {
private $data = array();
public function __construct(){
parent::__construct();
}
// Setter Function
public function __set ($var, $val) {
$this->data[$var] = $val;
}
// Getter Function
public function __get($var) {
return (isset($this->data[$var])) ? $this->data[$var] : null;
}
// Create WishList
function createBucketList($bucketlist) {
$this->db->insert('_bucketlist', $bucketlist->data);
}
}
thanks.
You may need to Autoload the Database connection (http://ellislab.com/codeigniter/user-guide/database/connecting.html), as it appears that the db variable is not instantiated before you are trying to use it.
I have the below code:
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Login extends MY_Controller
{
function __construct()
{
parent::__construct();
$this->load->model('users/user_model');
$this->load->library('form_validation');
}
function _load_login_page()
{
$this->load->model('sysconfig/sysconfig_model');
$a = $this->sysconfig_model->get_sysconfig();
$row = $a[0];
$this->lang->load('klas',$row->sysconfig_language);
$data['sys_name'] = $row->sysconfig_system_name;
$data['template_name'] = $row->systemplate_name;
$data['css_script'] = base_url().'assets/'.$row->systemplate_name;
if($row->sysconfig_maintenance === 'Y')
{
$this->load->view('sysconfig/maintenance',$data);
}
else {
$this->load->view('login',$data);
}
}
function index()
{
$this->form_validation->set_rules('username', 'Username', 'trim|required|max_length[12]|xss_clean|callback_check_auth');
$this->form_validation->set_rules('password','Password','trim|required');
if($this->form_validation->run($this) == FALSE)
{
$this->_load_login_page();
} else {
redirect('welcome','refresh');
}
}
function check_auth()
{
if($this->user_model->authentication())
{
return TRUE;
}
$this->form_validation->set_message('check_auth',$this->lang->line('invalid_username'));
return FALSE;
}
?>
user_model.php
<?php
class User_Model extends CI_Model
{
function authentication()
{
$this->db->where('useracc_id', $this->input->post('username'));
$this->db->where('useracc_password', md5($this->input->post('password')));
$q = $this->db->get('base_useracc');
if($q->num_rows() == 1)
{
$session_data = array('isUserLogged'=>TRUE);
$this->session->set_userdata($session_data);
return TRUE;
}
}
?>
From here we can see if the user didn't fill the username and password fields, it will show the error and everything works as expected. The problem is, if the user provides an invalid username or password, the error message won't show.
for the information, I already put $lang['invalid_username'] = 'Invalid username or password'; on the language file.
I am doing this using the HMVC technique. Please help me.
You don't seem to be passing any data to your callback function. Callback functions expect the value of the input field to be passed as a parameter. I don't think you can make this work as a form validation callback be because the authentication method presumably needs to know both the password and the username. At present you're not passing any data into your check_auth method or indeed onwards to your user_model->authentication() method. That is why form_validation is ignoring it.
Rather than calling check_auth as a callback, why not run the form_validation first (this is really what it's for - checking the data is correct and sanitised) and then pass the values from your form to your check_auth function as part of an if statement. You will not be able to use the form_validation set_message method to display errors but I think this is a cleaner approach.
To summarise, use the form_validation to check the data you are receiving is ok and display relevant messages if it is not. Authenticating a user based on that information is a separate procedure that I don't think belongs with validation. Do you see the difference?
from the HMVC wiki page :
When using form validation with MX you will need to extend the CI_Form_validation class as shown below, before assigning the current controller as the $CI variable to the form_validation library. This will allow your callback methods to function properly. (This has been discussed on the CI forums also). ie:
<?php
/** application/libraries/MY_Form_validation **/
class MY_Form_validation extends CI_Form_validation
{
public $CI;
}
<?php
class Xyz extends MX_Controller
{
function __construct()
{
parent::__construct();
$this->load->library('form_validation');
$this->form_validation->CI =& $this;
}
}