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I'm working on a website which is created with CodeIgniter 2.1.0.
I've noticed sometimes when I reload a page couple of times or open a couple of pages very fast or when I have an error in the code (these errors are not related to sessions) I get logged out.
This website is using a library called Ion_authand for identifications:
public function logged_in()
{
$identity = $this->ci->config->item('identity', 'ion_auth');
return (bool) $this->ci->session->userdata($identity);
}
Is there a bug or something that I should know about?
$config['sess_cookie_name'] = 'cisession';
$config['sess_expiration'] = 7200;
$config['sess_expire_on_close'] = TRUE;
$config['sess_encrypt_cookie'] = FALSE;
$config['sess_use_database'] = TRUE;
$config['sess_table_name'] = 'cisession';
$config['sess_match_ip'] = FALSE;
$config['sess_match_useragent'] = TRUE;
$config['sess_time_to_update'] = 300;
On this website, sessions get updated almost on every page.
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When a new session is started, you can link that session to a user id through the use of a cookie, as I described earlier. Data kept beyond a browser close is not session data any more. If you want to keep data beyond a browser close then you need to use something other than sessions, like persistent cookies.
Sessions data are available globally through the site but to use those data we first need to initialize the session. We can do that by executing the following line in constructor. $this->load->library('session'); After loading the session library, you can simply use the session object as shown below.
3 Answers. Show activity on this post. $this->session->set_userdata('some_name', 'some_value');
The Session class permits you maintain a user's “state” and track their activity while they browse your site. CodeIgniter comes with a few session storage drivers: files (default; file-system based) database.
Here is what I found:
There is a bug in the session library of CodeIgniter which destroys the session with rapid requests.
Here you can find more about this bug:
https://github.com/EllisLab/CodeIgniter/issues/154
This bug still exist in the latest stable version which is 2.1.3.
I've fixed this by replacing my session library with the one from CI3-DEV from GitHub:
https://github.com/EllisLab/CodeIgniter/blob/b211adee89f5fd2192051e9c0826146bd150f469/system/libraries/Session.php
And putting a long sess_expiration and sess_time_to_update in my configuration ... mine are 86400 and 86500.
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