/**
* This function is beign used to change the permission of a ticket_user.
* It will first check if the user who executed this function is an admin. If this is not the case the page will be redirected to an error page.
* in case the $_GET['value'] is smaller than 4 and the user whoes permission is being changed is different from the admin(id 1), the change will be executed and the page will
* redirect to the users profile page.
* @author Daan Janssens, mentored by Matthew Lagoe
*/
function change_permission()
{
global $INGAME_WEBPATH;
global $WEBPATH;
//if logged in
if (WebUsers::isLoggedIn()) {
//check if user who executed this function is an admin
if (ticket_user::isAdmin(unserialize($_SESSION['ticket_user']))) {
//in case the $_GET['value'] is smaller than 4 and the user whoes permission is being changed is different from the admin(id 1)
if (isset($_GET['user_id']) && isset($_GET['value']) && $_GET['user_id'] != 1 && $_GET['value'] < 4) {
$user_id = filter_var($_GET['user_id'], FILTER_SANITIZE_NUMBER_INT);
$value = filter_var($_GET['value'], FILTER_SANITIZE_NUMBER_INT);
//execute change.
Ticket_User::change_permission(Ticket_User::constr_ExternId($user_id)->getTUserId(), $value);
header("Cache-Control: max-age=1");
if (Helpers::check_if_game_client()) {
header("Location: " . $INGAME_WEBPATH . "?page=show_user&id=" . $user_id);
} else {
header("Location: " . $WEBPATH . "?page=show_user&id=" . $user_id);
}
throw new SystemExit();
} else {
//ERROR: GET PARAMS not given or trying to change admin
header("Cache-Control: max-age=1");
if (Helpers::check_if_game_client()) {
header("Location: " . $INGAME_WEBPATH . "?page=show_user&id=" . $user_id);
} else {
header("Location: " . $WEBPATH . "?page=show_user&id=" . $user_id);
}
throw new SystemExit();
}
} else {
//ERROR: No access!
$_SESSION['error_code'] = "403";
header("Cache-Control: max-age=1");
header("Location: index.php?page=error");
throw new SystemExit();
}
} else {
//ERROR: not logged in!
header("Cache-Control: max-age=1");
header("Location: index.php");
throw new SystemExit();
}
}
