WordPress开发教程，集成网站安全扫描与漏洞检测工具

文章目录

在当今数字化时代，WordPress作为全球最受欢迎的内容管理系统，驱动着超过40%的网站。然而，随着其普及度的提升，WordPress网站也成为了黑客攻击的主要目标。据统计，每天有超过9万个WordPress网站遭受各种形式的网络攻击。与此同时，用户对网站功能的需求也日益多样化，不再满足于基本的内容发布，而是期望网站能够集成各种实用工具，提升用户体验。

本教程将深入探讨如何通过WordPress代码二次开发，实现两个关键目标：一是集成专业级网站安全扫描与漏洞检测工具，构建主动防御体系；二是开发常用互联网小工具，增强网站功能性。我们将从理论基础到实践操作，从安全原理到代码实现，全面解析这一综合解决方案。

WordPress面临的安全威胁多种多样，主要包括：

SQL注入攻击：通过恶意SQL代码操纵数据库

跨站脚本攻击(XSS)：在网页中注入恶意脚本

跨站请求伪造(CSRF)：诱使用户执行非本意的操作

文件包含漏洞：利用文件包含功能执行恶意代码

暴力破解攻击：尝试大量密码组合获取访问权限

主题和插件漏洞：第三方代码中的安全缺陷

根据Wordfence安全报告，2023年针对WordPress的攻击尝试比前一年增加了150%，其中插件和主题漏洞占比高达56%。这些数据凸显了加强WordPress安全防护的紧迫性。

传统的WordPress安全方案通常包括：

基础安全插件安装

定期手动更新

简单的防火墙配置

然而，这些方法存在明显不足：

被动防御：多数方案只在攻击发生后响应

检测能力有限：难以发现复杂或新型攻击

误报率高：可能将正常流量误判为攻击

性能影响：某些安全插件显著降低网站速度

集成专业安全扫描与漏洞检测工具能够：

实现主动安全监测：定期自动扫描，提前发现潜在风险

深度漏洞检测：使用专业算法识别复杂安全漏洞

实时威胁情报：基于全球攻击数据提供预警

最小性能影响：优化代码减少对网站速度的影响

定制化报告：根据网站特点生成针对性安全建议

我们将设计一个模块化的安全系统，包含以下核心组件：

// 安全系统主类结构
class WP_Security_Scanner {
    private $scanner_modules = array();
    private $vulnerability_db;
    private $reporting_system;
    
    public function __construct() {
        $this->init_modules();
        $this->load_vulnerability_database();
        $this->setup_reporting();
    }
    
    private function init_modules() {
        // 初始化各扫描模块
        $this->scanner_modules = array(
            'file_integrity' => new File_Integrity_Scanner(),
            'malware_detection' => new Malware_Scanner(),
            'vulnerability_scan' => new Vulnerability_Scanner(),
            'brute_force_protection' => new Brute_Force_Protector()
        );
    }
}

文件完整性监控是检测未经授权文件更改的关键技术：

class File_Integrity_Scanner {
    private $baseline_hashes = array();
    
    public function create_baseline() {
        $wp_files = $this->get_wordpress_files();
        
        foreach ($wp_files as $file) {
            if ($this->is_scannable_file($file)) {
                $this->baseline_hashes[$file] = array(
                    'hash' => md5_file($file),
                    'size' => filesize($file),
                    'modified' => filemtime($file)
                );
            }
        }
        
        $this->save_baseline();
    }
    
    public function run_integrity_check() {
        $current_hashes = array();
        $alerts = array();
        
        foreach ($this->baseline_hashes as $file => $baseline_data) {
            if (!file_exists($file)) {
                $alerts[] = "文件删除警告: {$file}";
                continue;
            }
            
            $current_hash = md5_file($file);
            
            if ($current_hash !== $baseline_data['hash']) {
                $alerts[] = "文件篡改检测: {$file}";
                $this->analyze_file_changes($file, $baseline_data['hash'], $current_hash);
            }
        }
        
        return $alerts;
    }
}

漏洞扫描引擎需要结合本地检测和外部漏洞数据库：

class Vulnerability_Scanner {
    private $vulnerability_sources = array(
        'wpvulndb' => 'https://wpvulndb.com/api/v3/',
        'nvd' => 'https://services.nvd.nist.gov/rest/json/cves/1.0'
    );
    
    public function scan_plugins_themes() {
        $vulnerabilities = array();
        
        // 扫描已安装插件
        $plugins = get_plugins();
        foreach ($plugins as $plugin_path => $plugin_data) {
            $plugin_slug = dirname($plugin_path);
            $plugin_version = $plugin_data['Version'];
            
            $plugin_vulns = $this->check_plugin_vulnerabilities($plugin_slug, $plugin_version);
            if (!empty($plugin_vulns)) {
                $vulnerabilities['plugins'][$plugin_slug] = $plugin_vulns;
            }
        }
        
        // 扫描当前主题
        $theme = wp_get_theme();
        $theme_vulns = $this->check_theme_vulnerabilities($theme->get('TextDomain'), $theme->get('Version'));
        if (!empty($theme_vulns)) {
            $vulnerabilities['theme'] = $theme_vulns;
        }
        
        return $vulnerabilities;
    }
    
    private function check_plugin_vulnerabilities($slug, $version) {
        // 查询漏洞数据库
        $api_url = $this->vulnerability_sources['wpvulndb'] . "plugins/{$slug}";
        $response = wp_remote_get($api_url);
        
        if (is_wp_error($response)) {
            return false;
        }
        
        $data = json_decode(wp_remote_retrieve_body($response), true);
        
        $relevant_vulns = array();
        if (isset($data[$slug]['vulnerabilities'])) {
            foreach ($data[$slug]['vulnerabilities'] as $vuln) {
                if ($this->is_version_affected($version, $vuln['fixed_in'])) {
                    $relevant_vulns[] = array(
                        'id' => $vuln['id'],
                        'title' => $vuln['title'],
                        'cvss_score' => $vuln['cvss']['score'],
                        'fixed_in' => $vuln['fixed_in']
                    );
                }
            }
        }
        
        return $relevant_vulns;
    }
}

恶意代码检测需要结合特征码检测和行为分析：

class Malware_Scanner {
    private $malware_signatures = array(
        'base64_decode' => '/base64_decodes*([^)]*)/',
        'eval' => '/evals*([^)]*)/',
        'shell_exec' => '/shell_execs*([^)]*)/',
        'suspicious_url' => '/(https?://[^s<>"']*.(php|exe|bat|sh))/i'
    );
    
    private $suspicious_patterns = array(
        'obfuscated_code' => '/$(?:w+)s*=s*$(?:w+)s*.s*$(?:w+)/',
        'long_string' => '/"[^"]{200,}"/'
    );
    
    public function scan_directory($directory) {
        $malware_findings = array();
        $files = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($directory)
        );
        
        foreach ($files as $file) {
            if ($file->isDir()) continue;
            
            if ($this->is_php_file($file)) {
                $content = file_get_contents($file->getPathname());
                $file_findings = $this->analyze_file_content($content, $file->getPathname());
                
                if (!empty($file_findings)) {
                    $malware_findings[$file->getPathname()] = $file_findings;
                }
            }
        }
        
        return $malware_findings;
    }
    
    private function analyze_file_content($content, $filename) {
        $findings = array();
        
        // 检查已知恶意代码特征
        foreach ($this->malware_signatures as $type => $pattern) {
            if (preg_match_all($pattern, $content, $matches)) {
                $findings[$type] = $matches[0];
            }
        }
        
        // 检查可疑代码模式
        foreach ($this->suspicious_patterns as $pattern_name => $pattern) {
            if (preg_match_all($pattern, $content, $matches)) {
                $findings[$pattern_name] = count($matches[0]);
            }
        }
        
        // 检查文件权限
        $perms = substr(sprintf('%o', fileperms($filename)), -4);
        if ($perms == '0777') {
            $findings['insecure_permissions'] = $perms;
        }
        
        return $findings;
    }
}

class Security_Reporter {
    private $report_types = array('daily', 'weekly', 'immediate');
    private $notification_methods = array('email', 'dashboard', 'webhook');
    
    public function generate_report($scan_results, $report_type = 'daily') {
        $report = array(
            'timestamp' => current_time('timestamp'),
            'scan_summary' => array(
                'total_checks' => 0,
                'issues_found' => 0,
                'critical_issues' => 0
            ),
            'detailed_findings' => array(),
            'recommendations' => array()
        );
        
        // 汇总扫描结果
        foreach ($scan_results as $module => $results) {
            $report['scan_summary']['total_checks']++;
            
            if (!empty($results)) {
                $report['scan_summary']['issues_found']++;
                $report['detailed_findings'][$module] = $results;
                
                // 生成建议
                $report['recommendations'] = array_merge(
                    $report['recommendations'],
                    $this->generate_recommendations($module, $results)
                );
            }
        }
        
        // 确定报告严重级别
        $report['severity'] = $this->calculate_severity($report);
        
        return $report;
    }
    
    public function send_alerts($report) {
        if ($report['severity'] >= 7) { // 高严重级别
            $this->send_immediate_alert($report);
        }
        
        // 发送定期报告
        if ($this->is_time_for_report('daily')) {
            $this->send_email_report($report, 'daily');
        }
        
        // 更新仪表板小工具
        $this->update_dashboard_widget($report);
    }
}

我们将创建一个可扩展的小工具框架：

class WP_Toolkit_Framework {
    private $tools = array();
    private $tool_categories = array(
        'utility' => '实用工具',
        'seo' => 'SEO工具',
        'security' => '安全工具',
        'development' => '开发工具'
    );
    
    public function register_tool($tool_slug, $tool_config) {
        $defaults = array(
            'name' => '',
            'description' => '',
            'category' => 'utility',
            'callback' => null,
            'settings' => array(),
            'shortcode' => ''
        );
        
        $config = wp_parse_args($tool_config, $defaults);
        $this->tools[$tool_slug] = $config;
        
        // 注册短代码
        if (!empty($config['shortcode'])) {
            add_shortcode($config['shortcode'], array($this, 'render_tool'));
        }
    }
    
    public function render_tool($atts, $content = null, $tag = '') {
        $atts = shortcode_atts(array('tool' => ''), $atts, $tag);
        
        if (empty($atts['tool']) || !isset($this->tools[$atts['tool']])) {
            return '<p>工具未找到</p>';
        }
        
        $tool = $this->tools[$atts['tool']];
        
        ob_start();
        ?>
        <div class="wp-toolkit-tool" id="tool-<?php echo esc_attr($atts['tool']); ?>">
            <div class="tool-header">
                <h3><?php echo esc_html($tool['name']); ?></h3>
                <p class="tool-description"><?php echo esc_html($tool['description']); ?></p>
            </div>
            <div class="tool-content">
                <?php call_user_func($tool['callback'], $atts); ?>
            </div>
        </div>
        <?php
        return ob_get_clean();
    }
}

class Password_Strength_Tool {
    public function init() {
        add_shortcode('password_strength_checker', array($this, 'render_checker'));
        add_action('wp_enqueue_scripts', array($this, 'enqueue_scripts'));
    }
    
    public function render_checker() {
        ob_start();
        ?>
        <div class="password-strength-checker">
            <h3>密码强度检测</h3>
            <div class="input-group">
                <input type="password" id="password-input" 
                       placeholder="输入密码进行强度检测" 
                       class="form-control">
                <button id="toggle-visibility" class="btn btn-secondary">
                    显示/隐藏
                </button>
            </div>
            
            <div class="strength-meter">
                <div class="strength-bar"></div>
                <div class="strength-labels">
                    <span class="strength-label" data-level="0">非常弱</span>
                    <span class="strength-label" data-level="1">弱</span>
                    <span class="strength-label" data-level="2">中等</span>
                    <span class="strength-label" data-level="3">强</span>
                    <span class="strength-label" data-level="4">非常强</span>
                </div>
            </div>
            
            <div class="password-feedback">
                <h4>改进建议:</h4>
                <ul id="password-suggestions"></ul>
            </div>
            
            <div class="password-statistics">
                <h4>密码统计:</h4>
                <p>长度: <span id="password-length">0</span> 字符</p>
                <p>熵值: <span id="password-entropy">0</span> bits</p>
                <p>破解时间: <span id="crack-time">立即</span></p>
            </div>
        </div>
        <?php
        return ob_get_clean();
    }
    
    public function enqueue_scripts() {
        wp_enqueue_script('password-strength-js', 
            plugin_dir_url(__FILE__) . 'js/password-strength.js',
            array('jquery'), '1.0', true);
        
        wp_enqueue_style('password-strength-css',
            plugin_dir_url(__FILE__) . 'css/password-strength.css');
    }
}

class Website_Performance_Tool {
    public function performance_test($url = '') {
        if (empty($url)) {
            $url = home_url();
        }
        
        $results = array(
            'load_time' => 0,
            'page_size' => 0,
            'requests' => 0,
            'performance_score' => 0,
            'recommendations' => array()
        );
        
        // 使用WordPress HTTP API进行测试
        $start_time = microtime(true);
        
        $response = wp_remote_get($url, array(
            'timeout' => 30,
            'sslverify' => false
        ));
        
        $end_time = microtime(true);
        
        if (!is_wp_error($response)) {
            $results['load_time'] = round(($end_time - $start_time) * 1000, 2);
            $results['page_size'] = strlen($response['body']) / 1024;
            
            // 分析HTML内容
            $results = $this->analyze_html_content($response['body'], $results);
            
            // 计算性能分数
            $results['performance_score'] = $this->calculate_score($results);
            
            // 生成建议
            $results['recommendations'] = $this->generate_recommendations($results);
        }
        
        return $results;
    }
    
    private function analyze_html_content($html, $results) {
        // 解析DOM
        $dom = new DOMDocument();
        @$dom->loadHTML($html);
        
        // 统计资源请求
        $scripts = $dom->getElementsByTagName('script');
        $stylesheets = $dom->getElementsByTagName('link');
        $images = $dom->getElementsByTagName('img');
        
        $results['requests'] = $scripts->length + $stylesheets->length + $images->length;

class SEO_Analyzer_Tool {
    public function analyze_page($url = '') {
        if (empty($url)) {
            $url = get_permalink();
        }
        
        $analysis = array(
            'basic' => array(),
            'on_page' => array(),
            'technical' => array(),
            'score' => 0
        );
        
        $response = wp_remote_get($url);
        
        if (!is_wp_error($response)) {
            $html = wp_remote_retrieve_body($response);
            $headers = wp_remote_retrieve_headers($response);
            
            // 基础分析
            $analysis['basic'] = $this->basic_analysis($html, $headers);
            
            // 页面SEO分析
            $analysis['on_page'] = $this->on_page_analysis($html);
            
            // 技术SEO分析
            $analysis['technical'] = $this->technical_analysis($html, $headers);
            
            // 计算总分
            $analysis['score'] = $this->calculate_seo_score($analysis);
        }
        
        return $analysis;
    }
    
    private function on_page_analysis($html) {
        $dom = new DOMDocument();
        @$dom->loadHTML($html);
        
        $analysis = array(
            'title' => array(
                'value' => '',
                'length' => 0,
                'score' => 0
            ),
            'meta_description' => array(
                'value' => '',
                'length' => 0,
                'score' => 0
            ),
            'headings' => array(),
            'images' => array(
                'total' => 0,
                'with_alt' => 0
            ),
            'keywords' => array()
        );
        
        // 分析标题标签
        $title_tags = $dom->getElementsByTagName('title');
        if ($title_tags->length > 0) {
            $title = $title_tags->item(0)->nodeValue;
            $analysis['title']['value'] = $title;
            $analysis['title']['length'] = mb_strlen($title);
            $analysis['title']['score'] = $this->evaluate_title($title);
        }
        
        // 分析meta描述
        $meta_tags = $dom->getElementsByTagName('meta');
        foreach ($meta_tags as $meta) {
            if ($meta->getAttribute('name') == 'description') {
                $description = $meta->getAttribute('content');
                $analysis['meta_description']['value'] = $description;
                $analysis['meta_description']['length'] = mb_strlen($description);
                $analysis['meta_description']['score'] = $this->evaluate_description($description);
            }
        }
        
        // 分析标题结构
        for ($i = 1; $i <= 6; $i++) {
            $h_tags = $dom->getElementsByTagName('h' . $i);
            $analysis['headings']['h' . $i] = array(
                'count' => $h_tags->length,
                'titles' => array()
            );
            
            foreach ($h_tags as $h_tag) {
                $analysis['headings']['h' . $i]['titles'][] = $h_tag->nodeValue;
            }
        }
        
        return $analysis;
    }
    
    public function render_seo_tool() {
        ob_start();
        ?>
        <div class="seo-analyzer-tool">
            <div class="seo-input-section">
                <input type="url" id="seo-analysis-url" 
                       placeholder="输入要分析的URL" 
                       value="<?php echo esc_url(home_url()); ?>">
                <button id="run-seo-analysis" class="btn btn-primary">
                    分析SEO
                </button>
            </div>
            
            <div class="seo-results-container">
                <div class="seo-score-card">
                    <div class="score-circle" id="seo-score-circle">
                        <span class="score-value">0</span>
                    </div>
                    <h4>SEO总分</h4>
                </div>
                
                <div class="seo-details">
                    <div class="seo-section" id="basic-seo">
                        <h4>基础SEO</h4>
                        <div class="seo-metrics"></div>
                    </div>
                    
                    <div class="seo-section" id="on-page-seo">
                        <h4>页面SEO</h4>
                        <div class="seo-metrics"></div>
                    </div>
                    
                    <div class="seo-section" id="technical-seo">
                        <h4>技术SEO</h4>
                        <div class="seo-metrics"></div>
                    </div>
                </div>
                
                <div class="seo-recommendations">
                    <h4>改进建议</h4>
                    <ul id="seo-suggestions"></ul>
                </div>
            </div>
        </div>
        <?php
        return ob_get_clean();
    }
}

class QR_Code_Generator {
    private $qr_library_path;
    
    public function __construct() {
        // 引入QR码生成库
        require_once plugin_dir_path(__FILE__) . 'libs/phpqrcode/qrlib.php';
    }
    
    public function generate_qr_code($data, $options = array()) {
        $defaults = array(
            'size' => 10,
            'margin' => 4,
            'level' => 'L', // L, M, Q, H
            'foreground' => array(0, 0, 0),
            'background' => array(255, 255, 255),
            'logo' => false,
            'format' => 'png'
        );
        
        $options = wp_parse_args($options, $defaults);
        
        // 创建临时文件
        $temp_dir = wp_upload_dir()['basedir'] . '/qrcodes/';
        if (!file_exists($temp_dir)) {
            wp_mkdir_p($temp_dir);
        }
        
        $filename = 'qr_' . md5(serialize($data) . serialize($options)) . '.png';
        $filepath = $temp_dir . $filename;
        
        // 生成QR码
        QRcode::png($data, $filepath, $options['level'], $options['size'], $options['margin']);
        
        // 添加Logo（如果指定）
        if ($options['logo'] && file_exists($options['logo'])) {
            $this->add_logo_to_qr($filepath, $options['logo']);
        }
        
        // 颜色调整
        if ($options['foreground'] != array(0, 0, 0) || $options['background'] != array(255, 255, 255)) {
            $this->recolor_qr($filepath, $options['foreground'], $options['background']);
        }
        
        return array(
            'url' => wp_upload_dir()['baseurl'] . '/qrcodes/' . $filename,
            'path' => $filepath,
            'filename' => $filename
        );
    }
    
    public function render_generator_ui() {
        ob_start();
        ?>
        <div class="qr-code-generator">
            <div class="generator-form">
                <div class="form-group">
                    <label for="qr-data">内容/URL:</label>
                    <textarea id="qr-data" rows="3" 
                              placeholder="输入要编码的内容或URL"></textarea>
                </div>
                
                <div class="form-group">
                    <label for="qr-size">尺寸:</label>
                    <select id="qr-size">
                        <option value="5">小 (200x200)</option>
                        <option value="10" selected>中 (400x400)</option>
                        <option value="15">大 (600x600)</option>
                        <option value="20">超大 (800x800)</option>
                    </select>
                </div>
                
                <div class="form-group">
                    <label for="qr-error-correction">容错级别:</label>
                    <select id="qr-error-correction">
                        <option value="L">低 (7%)</option>
                        <option value="M" selected>中 (15%)</option>
                        <option value="Q">高 (25%)</option>
                        <option value="Q">极高 (30%)</option>
                    </select>
                </div>
                
                <div class="form-group">
                    <label>前景色:</label>
                    <input type="color" id="qr-foreground-color" value="#000000">
                </div>
                
                <div class="form-group">
                    <label>背景色:</label>
                    <input type="color" id="qr-background-color" value="#ffffff">
                </div>
                
                <div class="form-group">
                    <label for="qr-logo">添加Logo:</label>
                    <input type="file" id="qr-logo" accept="image/*">
                </div>
                
                <button id="generate-qr" class="btn btn-primary">
                    生成QR码
                </button>
            </div>
            
            <div class="qr-preview-container">
                <div class="qr-preview" id="qr-preview">
                    <p>QR码预览将显示在这里</p>
                </div>
                
                <div class="qr-actions">
                    <button id="download-qr" class="btn btn-secondary" disabled>
                        下载PNG
                    </button>
                    <button id="copy-qr-link" class="btn btn-secondary" disabled>
                        复制链接
                    </button>
                    <button id="share-qr" class="btn btn-secondary" disabled>
                        分享
                    </button>
                </div>
                
                <div class="qr-info">
                    <h4>QR码信息:</h4>
                    <p>版本: <span id="qr-version">-</span></p>
                    <p>数据容量: <span id="qr-capacity">-</span></p>
                    <p>纠错级别: <span id="qr-ecc-level">-</span></p>
                </div>
            </div>
        </div>
        <?php
        return ob_get_clean();
    }
}

class Toolkit_Admin_Interface {
    public function __construct() {
        add_action('admin_menu', array($this, 'add_admin_menu'));
        add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_assets'));
    }
    
    public function add_admin_menu() {
        add_menu_page(
            '网站工具包',
            '网站工具包',
            'manage_options',
            'wp-toolkit',
            array($this, 'render_admin_page'),
            'dashicons-admin-tools',
            30
        );
        
        // 添加子菜单
        add_submenu_page(
            'wp-toolkit',
            '安全扫描',
            '安全扫描',
            'manage_options',
            'wp-toolkit-security',
            array($this, 'render_security_page')
        );
        
        add_submenu_page(
            'wp-toolkit',
            '工具集',
            '工具集',
            'manage_options',
            'wp-toolkit-tools',
            array($this, 'render_tools_page')
        );
        
        add_submenu_page(
            'wp-toolkit',
            '设置',
            '设置',
            'manage_options',
            'wp-toolkit-settings',
            array($this, 'render_settings_page')
        );
    }
    
    public function render_admin_page() {
        ?>
        <div class="wrap wp-toolkit-dashboard">
            <h1>网站工具包仪表板</h1>
            
            <div class="dashboard-widgets">
                <div class="widget security-status">
                    <h3>安全状态</h3>
                    <div class="widget-content">
                        <?php $this->display_security_status(); ?>
                    </div>
                </div>
                
                <div class="widget quick-tools">
                    <h3>快速工具</h3>
                    <div class="widget-content">
                        <?php $this->display_quick_tools(); ?>
                    </div>
                </div>
                
                <div class="widget recent-scans">
                    <h3>最近扫描</h3>
                    <div class="widget-content">
                        <?php $this->display_recent_scans(); ?>
                    </div>
                </div>
                
                <div class="widget system-info">
                    <h3>系统信息</h3>
                    <div class="widget-content">
                        <?php $this->display_system_info(); ?>
                    </div>
                </div>
            </div>
            
            <div class="dashboard-main">
                <div class="activity-log">
                    <h3>活动日志</h3>
                    <div class="log-entries">
                        <?php $this->display_activity_log(); ?>
                    </div>
                </div>
            </div>
        </div>
        <?php
    }
    
    public function render_security_page() {
        $scanner = new WP_Security_Scanner();
        $scan_results = $scanner->run_full_scan();
        ?>
        <div class="wrap wp-toolkit-security">
            <h1>安全扫描中心</h1>
            
            <div class="security-controls">
                <button class="button button-primary" id="run-full-scan">
                    运行完整扫描
                </button>
                <button class="button button-secondary" id="run-quick-scan">
                    快速扫描
                </button>
                <button class="button" id="schedule-scan">
                    计划扫描
                </button>
            </div>
            
            <div class="scan-results">
                <div class="results-summary">
                    <h3>扫描摘要</h3>
                    <div class="summary-cards">
                        <?php $this->display_scan_summary($scan_results); ?>
                    </div>
                </div>
                
                <div class="detailed-results">
                    <h3>详细结果</h3>
                    <div class="results-tabs">
                        <ul class="tab-nav">
                            <li class="active" data-tab="vulnerabilities">漏洞</li>
                            <li data-tab="malware">恶意软件</li>
                            <li data-tab="file-changes">文件变更</li>
                            <li data-tab="security-headers">安全头</li>
                        </ul>
                        
                        <div class="tab-content">
                            <?php $this->display_detailed_results($scan_results); ?>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <?php
    }
}

class Toolkit_Performance_Optimizer {
    private $cache_enabled = true;
    private $cache_expiry = 3600; // 1小时
    
    public function __construct() {
        add_action('init', array($this, 'init_cache_system'));
        add_action('save_post', array($this, 'clear_post_cache'));
        add_action('switch_theme', array($this, 'clear_theme_cache'));
    }
    
    public function init_cache_system() {
        // 创建缓存目录
        $cache_dir = WP_CONTENT_DIR . '/cache/wp-toolkit/';
        if (!file_exists($cache_dir)) {
            wp_mkdir_p($cache_dir);
        }
        
        // 添加缓存清理计划任务
        if (!wp_next_scheduled('wp_toolkit_clear_expired_cache')) {
            wp_schedule_event(time(), 'hourly', 'wp_toolkit_clear_expired_cache');
        }
        
        add_action('wp_toolkit_clear_expired_cache', array($this, 'clear_expired_cache'));
    }
    
    public function get_cached_data($key, $callback, $expiry = null) {
        if (!$this->cache_enabled) {
            return call_user_func($callback);
        }
        
        $cache_key = 'wp_toolkit_' . md5($key);
        $cached = get_transient($cache_key);
        
        if ($cached !== false) {
            return $cached;
        }
        
        $data = call_user_func($callback);
        
        if ($expiry === null) {
            $expiry = $this->cache_expiry;
        }
        
        set_transient($cache_key, $data, $expiry);
        
        // 同时保存到文件缓存作为备份
        $this->save_to_file_cache($key, $data);
        
        return $data;
    }
    
    private function save_to_file_cache($key, $data) {
        $cache_file = WP_CONTENT_DIR . '/cache/wp-toolkit/' . md5($key) . '.cache';
        
        $cache_data = array(
            'timestamp' => time(),
            'data' => $data,
            'key' => $key
        );
        
        file_put_contents($cache_file, serialize($cache_data));
    }
    
    public function optimize_database() {
        global $wpdb;
        
        $optimizations = array();
        
        // 清理修订版本
        $revisions = $wpdb->get_var(
            "SELECT COUNT(*) FROM $wpdb->posts WHERE post_type = 'revision'"
        );
        
        if ($revisions > 50) {
            $wpdb->query(
                "DELETE FROM $wpdb->posts 
                 WHERE post_type = 'revision' 
                 AND post_modified < DATE_SUB(NOW(), INTERVAL 30 DAY)"
            );
            $optimizations[] = "清理了旧的文章修订版本";
        }
        
        // 清理自动草稿
        $wpdb->query(
            "DELETE FROM $wpdb->posts 
             WHERE post_status = 'auto-draft' 
             AND post_date < DATE_SUB(NOW(), INTERVAL 7 DAY)"
        );
        
        // 优化数据库表
        $tables = $wpdb->get_col("SHOW TABLES");
        foreach ($tables as $table) {
            $wpdb->query("OPTIMIZE TABLE $table");
        }
        
        $optimizations[] = "优化了所有数据库表";
        
        return $optimizations;
    }
}

class Toolkit_API {
    private $api_version = 'v1';

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