Goes to this page if there is not cookie:
<?php

        $check = $_COOKIE['cUser'];

        if(!$check){
            header("Location: https://cits-silverneon123-1.c9.io/user/user.html");
        }

        ?>

upon login (wont work)...

<?php

$user = $_POST['user'];

$pass = $_POST['pass'];

if(!file_exists('../cUser/' . $user . '/')){

    header("Location: https://cits-silverneon123-1.c9.io/user/join.html");

}else{

    $hash = hash('ripemd160', $pass);

    $getPass = file_get_contents("../cUser/" . $user . "/pass.txt");

    if($hash == $getPass){

    setcookie("cUser", $user, time() + (86400 * 7));
    setcookie("cPass", $pass, time() + (86400 * 7));
    header("Location: https://cits-silverneon123-1.c9.io/");

    }else{

        header("Location: https://cits-silverneon123-1.c9.io/user/login.html");

    }

}

?>