域名到期没有续费

package main

import (
    "fmt"
    "net/smtp"
    "time"
)

func checkDomainExpiry(domain string) (time.Time, error) {
    // 这里假设有一个API可以获取域名的到期时间
    // 实际应用中需要调用域名注册商的API
    expiryTime := time.Now().Add(30 * 24 * time.Hour) // 示例：假设30天后到期
    return expiryTime, nil
}

func sendReminderEmail(to, subject, body string) error {
    from := "your-email@example.com"
    password := "your-email-password"
    smtpHost := "smtp.example.com"
    smtpPort := 587

    message := []byte("To: " + to + "\r\n" +
        "Subject: " + subject + "\r\n" +
        "\r\n" +
        body + "\r\n")

    auth := smtp.PlainAuth("", from, password, smtpHost)
    err := smtp.SendMail(smtpHost+":"+strconv.Itoa(smtpPort), auth, from, []string{to}, message)
    if err != nil {
        return err
    }
    return nil
}

func main() {
    domain := "example.com"
    expiryTime, err := checkDomainExpiry(domain)
    if err != nil {
        fmt.Println("Error checking domain expiry:", err)
        return
    }

    daysUntilExpiry := int(expiryTime.Sub(time.Now()).Hours() / 24)
    if daysUntilExpiry <= 30 {
        err := sendReminderEmail("admin@example.com", "Domain Expiry Reminder", fmt.Sprintf("Domain %s will expire in %d days.", domain, daysUntilExpiry))
        if err != nil {
            fmt.Println("Error sending reminder email:", err)
        }
    }
}