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86 lines
3.5 KiB
PHP
86 lines
3.5 KiB
PHP
<?php
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namespace base\common\notice\channel;
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use base\common\notice\NoticeChannelInterface;
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use PHPMailer\PHPMailer\Exception as PHPMailerException;
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use PHPMailer\PHPMailer\PHPMailer;
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use RuntimeException;
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/**
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* 邮件渠道驱动（PHPMailer SMTP）.
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*
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* 读取 sysconfig notify 组 SMTP 参数执行真实投递：
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* 抛出异常视为投递失败，异常消息携带 PHPMailer ErrorInfo（含 SMTP 会话 lastError），
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* timer 消费者据此退避重试直至终态。
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*/
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class EmailChannel implements NoticeChannelInterface
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{
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public static function name(): string
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{
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return 'email';
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}
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public function send(array $target, array $notice): bool
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{
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// 全局总闸：DB 值为字符串，(int) 强转判断；仅 '1' 视为启用（缺省/0 均为关，
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// 与系统配置 notify 组 notify_email_enable 默认值 0 一致），关闭即抛异常。
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if ((int) sysconfig('notify', 'notify_email_enable') !== 1) {
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throw new RuntimeException('邮件发送失败: 渠道未启用（notify_email_enable != 1）');
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}
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$host = (string) sysconfig('notify', 'notify_smtp_host');
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$port = (int) sysconfig('notify', 'notify_smtp_port');
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$secure = strtolower((string) sysconfig('notify', 'notify_smtp_secure'));
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$user = (string) sysconfig('notify', 'notify_smtp_user');
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$pass = (string) sysconfig('notify', 'notify_smtp_pass');
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$from = (string) sysconfig('notify', 'notify_smtp_from', 'notice@localhost');
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$fromName = (string) sysconfig('notify', 'notify_smtp_from_name');
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$title = (string) ($notice['title'] ?? '');
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$content = (string) ($notice['content'] ?? '');
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$mailer = new PHPMailer(true);
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try {
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$mailer->isSMTP();
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$mailer->Host = $host;
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$mailer->Port = $port;
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// SMTPSecure 映射：ssl→隐式 SMTPS；tls→STARTTLS；none/未知→明文。
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// 明文场景必须显式关闭 SMTPAutoTLS：PHPMailer 默认会对明文会话自动尝试
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// STARTTLS 升级，Mailpit 等纯明文本地服务会被误判为失败。
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if ($secure === 'ssl') {
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$mailer->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS;
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} elseif ($secure === 'tls') {
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$mailer->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
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} else {
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$mailer->SMTPSecure = '';
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$mailer->SMTPAutoTLS = false;
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}
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// SMTP 认证仅在配置了用户名时启用（Mailpit 等本地无认证服务不设置）
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if ($user !== '') {
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$mailer->SMTPAuth = true;
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$mailer->Username = $user;
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$mailer->Password = $pass;
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}
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$mailer->CharSet = 'UTF-8';
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$mailer->isHTML(true);
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$mailer->setFrom($from, $fromName);
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$mailer->addAddress((string) ($target['target_addr'] ?? ''));
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$mailer->Subject = $title;
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$mailer->Body = '<div style="font-family:Arial,sans-serif;">'
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. '<h3>' . $title . '</h3>'
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. '<div>' . nl2br($content) . '</div>'
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. '</div>';
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$mailer->send();
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} catch (PHPMailerException $e) {
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// send() 抛出的 Exception 消息即 $mailer->ErrorInfo（setError 已拼接
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// SMTP lastError/detail/smtp_code），异常链保留原始异常供上游追溯
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throw new RuntimeException('邮件发送失败: ' . $e->getMessage(), 0, $e);
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}
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return true;
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}
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}
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