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Codeigniter Session and Hook redirect making Loop redirect error

#1
[eluser]Unknown[/eluser]
I m using Codeigniter. I have to check session is set for each page if not set then redirect to login page. i hve dont tht on login to home page using normal CI session but i want to use hooks for other pages how can i do it?? i have set $this->session->set_userdata("is_in_login_page",true); in Login controller when login page loaded soo hook wont check on if its login page=true once user login i set tht is_in_login_page to false

when i navigate directly to others pages like It gives This page has Redirect Loop.

and how should do idle timeout. i tried keeping update time in session thn calling ajax every 2 mins to check current time and last updated time. but as soon as ajax request made session value also becomes current time and difference =0 .if any1 knw has better way pls let me knw. I also tried to change session sess_time_to_update but no help either Sad

This is my hook code

$hook['post_controller_constructor'][] = array(
'class' => 'Authenticate',
'function' => 'loginCheck',
'filename' => 'authenticate.php',
'filepath' => 'hooks',
'params' => array()
);
class Authenticate
{

private $CI;

function __construct()
{
$this->CI =& get_instance();
if(!isset($this->CI->session)) //Check if session lib is loaded or not
$this->CI->load->library('session'); //If not loaded, then load it here


}


function loginCheck()
{
date_default_timezone_set("Asia/Kolkata");

$session_userdata = $this->CI->session->userdata('logged_in');


if($this->CI->session->userdata('is_in_login_page')==true)
{

// It gives Error This webpage has a redirect loop
redirect('login'); // it goes in redirect Loop
}



}
}


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