mirror of
https://github.com/Rain-kl/OpenFlare.git
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ryan
fa689aedbc
自定义 Webhook 在 HTTP 200 但业务 errcode 非零时记为失败，任务日志记录上游响应。 OTel Resource 改为 NewSchemaless，避免 semconv 与 SDK 版本冲突。 前端用 next/font 自托管 Inter，并忽略浏览器扩展改写 body 引起的 hydration 警告。
118 lines
3.0 KiB
Go
118 lines
3.0 KiB
Go
// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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package push
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"net/smtp"
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"strings"
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)
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func init() {
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Register("email", &EmailPusher{})
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}
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// EmailPusher 极简 SMTP 邮件推送实现 (静态、解耦)
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type EmailPusher struct{}
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// sanitizeEmailHeader removes CR/LF bytes so untrusted values cannot inject
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// additional email headers (email header injection).
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func sanitizeEmailHeader(v string) string {
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v = strings.ReplaceAll(v, "\r", "")
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v = strings.ReplaceAll(v, "\n", "")
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return v
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}
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// Send 发送邮件
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func (p *EmailPusher) Send(ctx context.Context, cfg Config, target string, body map[string]any, _ string, ext map[string]any) (string, error) {
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if cfg.URL == "" || cfg.Key == "" || cfg.Secret == "" {
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return "", errors.New("email: SMTP configuration (url, key, secret) is incomplete")
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}
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if target == "" {
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return "", errors.New("email: target email address is required")
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}
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title := defaultTitle
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if t, ok := body["title"].(string); ok && t != "" {
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title = t
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}
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content := ""
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if c, ok := body["content"].(string); ok && c != "" {
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content = c
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} else {
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// 自动格式化 map
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var parts []string
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for k, v := range body {
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parts = append(parts, fmt.Sprintf("<p><b>%s</b>: %v</p>", k, v))
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}
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content = strings.Join(parts, "")
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}
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// 邮件头和体
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from := cfg.Key
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to := target
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// 如果 ext 中指定了 from_name，我们在 From 头部包含它
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fromName := "System Notification"
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if ext != nil {
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if fn, ok := ext["from_name"].(string); ok && fn != "" {
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fromName = fn
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}
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}
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subjectHeader := fmt.Sprintf("Subject: %s\r\n", sanitizeEmailHeader(title))
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fromHeader := fmt.Sprintf("From: %s <%s>\r\n", sanitizeEmailHeader(fromName), sanitizeEmailHeader(from))
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toHeader := fmt.Sprintf("To: %s\r\n", sanitizeEmailHeader(to))
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mimeHeader := "MIME-version: 1.0;\r\nContent-Type: text/html; charset=\"UTF-8\";\r\n\r\n"
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// 拼装完整的邮件报文
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// 简单的 HTML 正文渲染
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htmlBody := fmt.Sprintf(`<html><body><h2>%s</h2><div>%s</div></body></html>`, title, content)
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msg := []byte(fromHeader + toHeader + subjectHeader + mimeHeader + htmlBody + "\r\n")
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// 解析 Host 和 Port
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host, port, err := net.SplitHostPort(cfg.URL)
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if err != nil {
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host = cfg.URL
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port = "25" // 默认 SMTP 端口
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}
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auth := smtp.PlainAuth("", cfg.Key, cfg.Secret, host)
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// 异步超时处理
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errChan := make(chan error, 1)
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go func() {
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errChan <- smtp.SendMail(host+":"+port, auth, from, []string{to}, msg)
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}()
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select {
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case <-ctx.Done():
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return "", ctx.Err()
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case err := <-errChan:
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if err != nil {
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return "", fmt.Errorf("email: send smtp mail failed: %w", err)
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}
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}
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return "", nil
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}
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// ValidateConfig 校验邮件 SMTP 配置
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func (p *EmailPusher) ValidateConfig(cfg Config) error {
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if cfg.URL == "" {
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return errors.New("SMTP host:port is required")
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}
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if cfg.Key == "" {
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return errors.New("SMTP username is required")
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}
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if cfg.Secret == "" {
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return errors.New("SMTP password is required")
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}
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return nil
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}
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