<?php
require_once "../../../../config.php";
require_once $CFG->vendorinclude . "/lms_lib.php";
use Tsugi\Core\LTIX;
use Tsugi\UI\Output;
Output::headerJson();
// Nothing for us to do
if (!isset($_GET[session_name()])) {
echo json_encode(array("error" => "No session"));
return;
}
if (isset($_COOKIE[session_name()])) {
echo json_encode(array("status" => 'done'));
return;
}
if (!isset($_GET['top'])) {
echo json_encode(array("error" => "Need top= parameter"));
return;
}
// Grab the session
$LAUNCH = LTIX::requireData(LTIX::USER);
// This has already been set by someone so nothing to do
if (isset($_COOKIE['TSUGI_TOP_SESSION'])) {
unset($_SESSION['TOP_CHECK']);
// No point in further checks
echo json_encode(array("top_session" => $_COOKIE['TSUGI_TOP_SESSION']));
return;
}
// We are not the top frame
if ($_GET['top'] != 'true') {
