eesyphp/src/Session.php

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<?php
namespace EesyPHP;
/**
* Session management
*/
class Session {
/**
* Session max duration (in seconds, default: 12h)
* @var int
*/
protected static int $max_duration = 12 * 60 * 60;
/**
* Initialization
* @param int|null $max_duration Session max duration in second
* (optional, default: 12h)
* @param int|null $timeout Session inactivity timeout in second
* (optional, default: no timeout)
* @return void
*/
public static function init($max_duration=null, $timeout=null) {
if (php_sapi_name() == "cli")
return;
// Define session max duration
if (is_int($max_duration))
self :: $max_duration = $max_duration;
ini_set('session.gc_maxlifetime', strval(self :: $max_duration));
ini_set('session.cookie_lifetime', strval(self :: $max_duration));
// Start session
session_start();
// Init session key
if (!isset($_SESSION['session_key'])) {
$_SESSION['session_key'] = uniqid();
}
// Handle session timeout
if ($timeout) {
if (!isset($_SESSION['session_last_access'])) {
Log :: debug('Set initial session last access');
$_SESSION['session_last_access'] = time();
}
elseif ($_SESSION['session_last_access'] > (time() - $timeout)) {
Log :: debug(
'Session timeout not expired, update session last access '.
'(Previous value : %d', $_SESSION['session_last_access']);
$_SESSION['session_last_access'] = time();
}
else {
Log :: info('Session destroyed due to inactivity');
session_destroy();
}
}
}
/**
* Check session key
* @param string|null $value The value of the session key to check
* (optional, default: $_REQUEST['session_key'])
* @return bool
*/
public static function check_key($value=null) {
if (is_null($value) && isset($_REQUEST['session_key']))
$value = $_REQUEST['session_key'];
return ($value && $_SESSION['session_key'] == $value);
}
}
if (php_sapi_name() == "cli")
return true;
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