42 lines
1.5 KiB
Go
42 lines
1.5 KiB
Go
package config
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import (
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"errors"
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"net/mail"
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"strings"
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)
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// UsesSmailSystemAccount 判断通知账号是否为 Smail 系统通知账号。
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func (c NotificationConfig) UsesSmailSystemAccount() bool {
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return strings.HasPrefix(strings.ToLower(strings.TrimSpace(c.SMTPUsername)), "notify:")
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}
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// SenderIdentity 根据系统通知账号确定发件人，不能将管理员邮箱当作 SMTP 发件人。
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func (c NotificationConfig) SenderIdentity() (string, string, error) {
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name := strings.TrimSpace(c.SenderName)
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email := strings.TrimSpace(c.SenderEmail)
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if !c.SMTPEnabled {
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return name, email, nil
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}
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username := strings.ToLower(strings.TrimSpace(c.SMTPUsername))
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if c.UsesSmailSystemAccount() {
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account := strings.TrimPrefix(username, "notify:")
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parsed, err := mail.ParseAddress(account)
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parts := strings.Split(account, "@")
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if err != nil || parsed.Address != account || parsed.Name != "" || len(parts) != 2 ||
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strings.ContainsAny(account, "\r\n<>()") {
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return "", "", errors.New("Smail 系统通知用户名必须使用 notify:账号@邮件域名 格式")
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}
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// Smail 保留该发件地址；不能使用登录账号、管理员邮箱或自定义名称替代。
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return "系统通知", "notification+system@" + parts[1], nil
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}
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if email == "" {
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parsed, err := mail.ParseAddress(username)
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if err != nil || parsed.Address != username || parsed.Name != "" {
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return "", "", errors.New("请填写 Smail 系统通知用户名；兼容 SMTP 账号必须是完整邮箱地址")
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}
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email = username
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}
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return name, email, nil
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}
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