NetWatch/mailer_simple.php at main · nxtreaming/NetWatch · GitHub

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<?php
/**
 * 简化版邮件发送类（不依赖PHPMailer）
 * 使用PHP内置的mail()函数
 */

require_once 'config.php';
require_once 'logger.php';
require_once __DIR__ . '/includes/MailerInterface.php';

class SimpleMailer implements MailerInterface {
    private $logger;

    public function __construct() {
        $this->logger = new Logger();
    }

    /**
     * 发送邮件
     */
    public function sendMail($subject, $body, $isHTML = true) {
        try {
            $to = SMTP_TO_EMAIL;
            $from = SMTP_FROM_EMAIL;
            $fromName = SMTP_FROM_NAME;

            // 设置邮件头
            $headers = [];
            $headers[] = "From: $fromName <$from>";
            $headers[] = "Reply-To: $from";
            $headers[] = "X-Mailer: NetWatch/1.0";
            $headers[] = "MIME-Version: 1.0";

            if ($isHTML) {
                $headers[] = "Content-Type: text/html; charset=UTF-8";
            } else {
                $headers[] = "Content-Type: text/plain; charset=UTF-8";
            }

            $headerString = implode("\r\n", $headers);

            // 发送邮件
            $result = mail($to, $subject, $body, $headerString);

            if ($result) {
                $this->logger->info("邮件发送成功: $subject");
                return true;
            } else {
                $this->logger->error("邮件发送失败: $subject");
                return false;
            }

        } catch (Exception $e) {
            $this->logger->error("邮件发送异常: " . $e->getMessage());
            return false;
        }
    }

    /**
     * 发送代理故障通知
     */
    public function sendProxyAlert($failedProxies) {
        if (empty($failedProxies)) {
            return true;
        }

        $subject = 'NetWatch 代理故障通知 - ' . date('Y-m-d H:i:s');
        $body = $this->generateAlertHTML($failedProxies);

        return $this->sendMail($subject, $body);
    }

    /**
     * 生成故障通知HTML
     */
    private function generateAlertHTML($failedProxies) {
        $html = '
        <!DOCTYPE html>
        <html>
        <head>
            <meta charset="UTF-8">
            <title>NetWatch 代理故障通知</title>
            <style>
                body { font-family: Arial, sans-serif; margin: 20px; }
                .header { background-color: #f44336; color: white; padding: 15px; border-radius: 5px; }
                .content { margin: 20px 0; }
                table { border-collapse: collapse; width: 100%; margin: 20px 0; }
                th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
                th { background-color: #f2f2f2; }
                .failed { background-color: #ffebee; }
                .footer { margin-top: 30px; font-size: 12px; color: #666; }
            </style>
        </head>
        <body>
            <div class="header">
                <h2>🚨 NetWatch 代理故障通知</h2>
                <p>检测到以下代理出现故障，请及时处理</p>
            </div>

            <div class="content">
                <p><strong>故障时间:</strong> ' . date('Y-m-d H:i:s') . '</p>
                <p><strong>故障数量:</strong> ' . count($failedProxies) . ' 个</p>

                <table>
                    <thead>
                        <tr>
                            <th>代理地址</th>
                            <th>类型</th>
                            <th>连续失败次数</th>
                            <th>最后检查时间</th>
                            <th>响应时间</th>
                        </tr>
                    </thead>
                    <tbody>';

        foreach ($failedProxies as $proxy) {
            $html .= '
                        <tr class="failed">
                            <td>' . htmlspecialchars($proxy['ip'] . ':' . $proxy['port']) . '</td>
                            <td>' . htmlspecialchars(strtoupper($proxy['type'])) . '</td>
                            <td>' . $proxy['failure_count'] . '</td>
                            <td>' . htmlspecialchars($proxy['last_check'] ?? 'N/A') . '</td>
                            <td>' . number_format($proxy['response_time'], 2) . ' ms</td>
                        </tr>';
        }

        $html .= '
                    </tbody>
                </table>
            </div>

            <div class="footer">
                <p>此邮件由 NetWatch 监控系统自动发送</p>
                <p>如需停止接收此类邮件，请联系系统管理员</p>
            </div>
        </body>
        </html>';

        return $html;
    }

    /**
     * 发送系统状态报告
     */
    public function sendStatusReport($stats) {
        $subject = 'NetWatch 系统状态报告 - ' . date('Y-m-d H:i:s');

        $body = '
        <!DOCTYPE html>
        <html>
        <head>
            <meta charset="UTF-8">
            <title>NetWatch 系统状态报告</title>
            <style>
                body { font-family: Arial, sans-serif; margin: 20px; }
                .header { background-color: #4CAF50; color: white; padding: 15px; border-radius: 5px; }
                .stats { display: flex; justify-content: space-around; margin: 20px 0; }
                .stat-box { text-align: center; padding: 20px; border: 1px solid #ddd; border-radius: 5px; }
                .stat-number { font-size: 24px; font-weight: bold; color: #333; }
                .stat-label { color: #666; margin-top: 5px; }
                .online { color: #4CAF50; }
                .offline { color: #f44336; }
                .unknown { color: #ff9800; }
            </style>
        </head>
        <body>
            <div class="header">
                <h2>📊 NetWatch 系统状态报告</h2>
                <p>系统运行正常，以下是当前状态统计</p>
            </div>

            <div class="stats">
                <div class="stat-box">
                    <div class="stat-number">' . $stats['total'] . '</div>
                    <div class="stat-label">总代理数</div>
                </div>
                <div class="stat-box">
                    <div class="stat-number online">' . $stats['online'] . '</div>
                    <div class="stat-label">在线数量</div>
                </div>
                <div class="stat-box">
                    <div class="stat-number offline">' . $stats['offline'] . '</div>
                    <div class="stat-label">离线数量</div>
                </div>
                <div class="stat-box">
                    <div class="stat-number unknown">' . $stats['unknown'] . '</div>
                    <div class="stat-label">未知</div>
                </div>
            </div>

            <p><strong>平均响应时间:</strong> ' . number_format($stats['avg_response_time'], 2) . ' ms</p>
            <p><strong>在线率:</strong> ' . number_format(($stats['online'] / $stats['total']) * 100, 2) . '%</p>

            <div style="margin-top: 30px; font-size: 12px; color: #666;">
                <p>此邮件由 NetWatch 监控系统自动发送</p>
                <p>报告时间: ' . date('Y-m-d H:i:s') . '</p>
            </div>
        </body>
        </html>';

        return $this->sendMail($subject, $body);
    }
}