/**
* Get/create current session instance
*/
public static function getCurrent()
{
$update = false;
if (is_null(self::$current)) {
// If there's a current user, get/make a current session
if (LigminchaGlobalUser::getCurrent()) {
// None found, create new
// - there will already be a current session established if one existed thanks to SSO::makeSessionFromCookie
self::$current = new LigminchaGlobalSession();
// Doesn't exist, make the data structure for our new server object
self::$current->ref1 = LigminchaGlobalServer::getCurrent()->id;
self::$current->tag = self::getBrowser();
// Session only lives for five seconds in this initial form and doesn't route
self::$current->expire = self::timestamp() + 2;
self::$current->flag(LG_LOCAL, true);
self::$current->flag(LG_PRIVATE, true);
// Save our new instance to the DB
$update = true;
// And save the ID in the SSO cookie
LigminchaGlobalSSO::setCookie(self::$current->id);
lgDebug('New session created and SSO cookie set', self::$current);
} else {
self::$current = false;
}
}
// Update the expiry if the session existed (but only if it's increasing by more than a minute to avoid sync traffic)
if (self::$current && !self::$current->flag(LG_NEW)) {
$expiry = self::timestamp() + LG_SESSION_DURATION;
if ($expiry - self::$current->expire > 60) {
self::$current->expire = $expiry;
$update = true;
}
}
// Avoid multiple calls to update above
if ($update) {
self::$current->update();
}
return self::$current;
}
