index.php

<?php

require_once __DIR__.'/core/Utils.php';
require_once __DIR__.'/core/Render.php';
require_once __DIR__."/core/Session.php";

use Dev\Lennis\Hackit\Utils;
use Dev\Lennis\Hackit\Render;
use Dev\Lennis\Hackit\Session;

Session::start();

$splitUrl = explode('/', $_SERVER['REQUEST_URI']);

if($splitUrl[1] === "c") {
    try {
        $splitUrl[2] = explode('?', $splitUrl[2])[0];
        $challenge = Utils::getChallenge($splitUrl[2]);
        if(count($splitUrl) === 4) {
            if($splitUrl[3] !== "" && $splitUrl[3] !== null)
                $challenge->renderFile($splitUrl[3]);
        } else {
            if(isset($_GET["code"])) {
                if($challenge->validate($_GET["code"])) {
                    $challenge->setSolved(true);
                    header("Location: /");
                } else
                    Render::renderChallenge($challenge, $_GET["code"]);
                exit;
            }
            Render::renderChallenge($challenge);
        }
        exit;
    } catch (Exception $e) {
        header("Location: /");
        exit;
    }
} else if($splitUrl[1] === "about") {
    Render::renderAboutPage();
} else if($splitUrl[1] === "sitemap.xml") {
    Render::renderSitemap();
} else if($splitUrl[1] === "") {
    Render::renderChallengeList(Utils::getChallenges());
} else {
    header("Location: /");
    exit;
}