Backend/WEBROOT/index.php

<?php
ob_start();
session_set_cookie_params([
    'lifetime' => 0,
    'path' => '/',
    'domain' => '',
    'secure' => false,
    'httponly' => true,
    'samesite' => 'Lax'
]);
session_start();

if (empty($_SESSION['user_logged_in'])) {
    header('Location: login.php');
    exit;
}

require_once __DIR__ . '/src/MVC/autoloader.php';

include_once( __DIR__ . '/config.php');
include_once( __DIR__ . '/src/classes/getData.php');
include_once( __DIR__ . '/src/controller/apiController.php');
include_once( __DIR__ . '/src/controller/cookieController.php');
include_once( __DIR__ . '/src/controller/rightsController.php');
include_once( __DIR__ . '/src/controller/userController.php');
include_once( __DIR__ . '/src/database/databaseConnect.php');
include_once( __DIR__ . '/src/utils/Debugging/ConsoleLogger.php');
include_once( __DIR__ . '/src/utils/databaseMethods.php');
include_once( __DIR__ . '/src/utils/formatter.php');
include_once( __DIR__ . '/src/utils/mailer.php');
include_once( __DIR__ . '/src/utils/requestLogger.php');
include_once( __DIR__ . '/src/utils/router.php');

$user_id = DatabaseShow(
    "Benutzer",
    "ID",
    "NAME = ?",
    $_SESSION['username'],
);

$rightsArray = DatabaseShowWithFK(
    "Benutzer_Berechtigungen",
    $Berechtigungen,
    "SEITEN_ID",
    "BENUTZER_ID = ?",
    $user_id[0]['ID'],
);

$userRights = array_map('trim', array_column($rightsArray['rows'], 'SEITEN_ID'));

$selectedService = null;

if (
    isset($_GET['service']) &&
    isset($services[$_GET['service']]) &&
    $services[$_GET['service']]['active']
) {
    $selectedService = $_GET['service'];
}

if (!$selectedService &&
    isset($defaultService) &&
    isset($services[$defaultService]) &&
    $services[$defaultService]['active']
) {
    $selectedService = $defaultService;
}

if (!$selectedService) {
    foreach ($services as $key => $service) {
        if ($service['active']) {
            $selectedService = $key;
            break;
        }
    }
}
    
if ($selectedService && !in_array($selectedService, $userRights, true)) {
    $selectedService = null;
}

$isAdmin = isset($_SESSION['is_admin']) && $_SESSION['is_admin'] === true;

if ((new getSpecificData())->getWebsite() != "backend.blackpi.ipv64.net") {
    $title = "DEV Backend";
} else {
    $title = "Backend";
}

// MVC Logic
try {
    $router = new \MVC\Core\Router();

    // Register Routes
    $router->add('home_info', \MVC\Controller\ServiceController::class, 'home_info', ['auth']);
    $router->add('links', \MVC\Controller\ServiceController::class, 'links', ['auth']);
    $router->add('documentation', \MVC\Controller\DocumentationController::class, 'links', ['auth']);
    $router->add('logout', \MVC\Controller\ServiceController::class, 'logout', ['auth']);
    
    $router->add('public_request_logs', \MVC\Controller\LogController::class, 'public_request_logs', ['auth']);
    $router->add('backend_request_logs', \MVC\Controller\LogController::class, 'backend_request_logs', ['auth']);
    $router->add('personal_request_logs', \MVC\Controller\LogController::class, 'personal_request_logs', ['auth', 'admin']);
    $router->add('public_request_chart', \MVC\Controller\LogController::class, 'public_request_chart', ['auth']);
    $router->add('backend_request_chart', \MVC\Controller\LogController::class, 'backend_request_chart', ['auth']);

    $router->add('user_control', \MVC\Controller\AdminController::class, 'user_control', ['auth', 'admin']);
    $router->add('services_control', \MVC\Controller\AdminController::class, 'services_control', ['auth', 'admin']);
    $router->add('variablen_control', \MVC\Controller\AdminController::class, 'variablen_control', ['auth', 'admin']);
    $router->add('data_info', \MVC\Controller\AdminController::class, 'data_info', ['auth', 'admin']);
    $router->add('tabellen', \MVC\Controller\AdminController::class, 'tabellen', ['auth', 'admin']);

    $router->add('berichte', \MVC\Controller\ReportController::class, 'berichte', ['auth']);
    $router->add('berichte_arbeit_gen', \MVC\Controller\ReportController::class, 'berichte_arbeit_gen', ['auth']);
    $router->add('zeiterfassung', \MVC\Controller\ReportController::class, 'zeiterfassung', ['auth']);
    $router->add('print_static', \MVC\Controller\ReportController::class, 'print_static', ['auth']);

    $router->add('api_tester', \MVC\Controller\ApiController::class, 'api_tester', ['auth', 'admin']);
    $router->add('weather_chart', \MVC\Controller\StatsController::class, 'weather_chart', ['auth', 'admin']);
    $router->add('domains', \MVC\Controller\DomainController::class, 'domains', ['auth']);
    $router->add('documentation', \MVC\Controller\DocumentationController::class, 'index', ['auth']);

    $layout = new \MVC\Layout\Layout('main');
    $layout->setBlock('title', $title);

    // Header Block
    ob_start();
    ?>
Backend
<button id="darkModeToggle">Dark Mode</button>
<button id="logoutButton">Logout</button>
<?php
    $layout->setBlock('header', ob_get_clean());

    // Sidebar Block
    ob_start();
    ?>
<?php foreach ($serviceGroups as $groupKey => $group): ?>
<?php
        $visibleServices = [];

        foreach ($group['services'] as $serviceKey) {
            if (!isset($services[$serviceKey])) continue;
            if (!$services[$serviceKey]['active']) continue;
            if (!empty($services[$serviceKey]['adminOnly']) && !$isAdmin) continue;
            if (!in_array($serviceKey, $userRights, true)) continue;
            $visibleServices[] = $serviceKey;
        }

        if (empty($visibleServices)) continue;

        $isOpen = !empty($group['defaultOpen']) || in_array($selectedService, $visibleServices, true);
    ?>
<div class="service-group <?= $isOpen ? 'open' : '' ?>" data-group="<?= $groupKey ?>">

    <div class="group-title">
        <?= htmlspecialchars($group['label']) ?>
        <span class="arrow">▸</span>
    </div>

    <div class="group-services">
        <?php foreach ($visibleServices as $serviceKey): ?>
        <a href="?service=<?= $serviceKey ?>">
            <button class="<?= $selectedService === $serviceKey ? 'active' : '' ?>">
                <?= htmlspecialchars($services[$serviceKey]['name']) ?>
            </button>
        </a>
        <?php endforeach; ?>
    </div>
</div>
<?php endforeach; ?>
<?php
    $layout->setBlock('sidebar', ob_get_clean());

    // Content Block
    if ($selectedService) {
        $content = $router->dispatch($selectedService);
        $layout->setBlock('content', $content);
        logging();
    } else {
        $layout->setBlock('content', "<p>Kein aktiver Service verfügbar.</p>");
    }

    echo $layout->render();

} catch (\Exception $e) {
    // Central Error Handling
    error_log($e->getMessage());
    http_response_code(500);
    
    if ($isAdmin) {
        echo "<h1>Internal Server Error</h1>";
        echo "<p><strong>Message:</strong> " . $e->getMessage() . "</p>";
        echo "<p><strong>File:</strong> " . $e->getFile() . " on line " . $e->getLine() . "</p>";
        echo "<pre>" . $e->getTraceAsString() . "</pre>";
    } else {
        echo "<h1>Hoppla!</h1>";
        echo "<p>Ein interner Fehler ist aufgetreten. Bitte versuchen Sie es später erneut.</p>";
    }
}