59 lines
2.0 KiB
Go
59 lines
2.0 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 根据用户配置或通知账号确定发件人。
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// 遵循“用户怎么填就用什么”的原则，原样使用用户填写的发件人或发信账号，不擅自拼接或篡改发信地址。
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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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// 如果用户明确填写了发件人邮箱，则原样优先使用
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if email != "" {
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parsed, err := mail.ParseAddress(email)
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if err != nil || parsed.Address != email {
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return "", "", errors.New("发件人邮箱地址格式无效")
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}
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if name == "" {
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name = "Scert"
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}
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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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// 用户未单独指定发件人邮箱时，原样使用 notify: 后的账号邮箱地址，发件人名称优先使用用户配置的 SenderName
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if name == "" {
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name = "系统通知"
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}
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return name, account, nil
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}
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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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if name == "" {
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name = "Scert"
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}
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return name, username, nil
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}
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