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package main
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import (
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"ddns/global"
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"ddns/util"
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"fmt"
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"git.sre.ink/go/gtool"
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"github.com/denverdino/aliyungo/dns"
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)
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func main() {
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// 获取公网IP信息
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publicIP := gtool.NET.PublicIP()
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if publicIP == "" {
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return
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}
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// 获取阿里DNS信息
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client := dns.NewClient(global.AccessKeyID, global.AccessKeySecret)
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client.SetDebug(false)
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domainInfo := new(dns.DescribeDomainRecordsArgs)
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domainInfo.DomainName = global.DomainName
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domainInfo.PageNumber = 1
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domainInfo.PageSize = 500 //最大是500
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oldRecord, err := client.DescribeDomainRecords(domainInfo)
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if err != nil {
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fmt.Println("链接服务器错误", err)
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msg := "ddns解析链接服务器错误：\n"
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msg += "域名信息: " + global.RR + global.DomainName + "\n"
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msg += "链接服务器错误: " + err.Error() + "\n"
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util.SendWechat(msg)
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return
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}
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// 匹配公网IP地址
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var exsitRecordID string
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for _, record := range oldRecord.DomainRecords.Record {
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if record.DomainName == global.DomainName && record.RR == global.RR {
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if record.Value == publicIP {
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fmt.Println("当前配置解析地址与公网IP相同，不需要修改。")
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return
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}
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exsitRecordID = record.RecordId
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}
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}
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if 0 < len(exsitRecordID) {
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// 有配置记录，更新配置
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updateRecord := new(dns.UpdateDomainRecordArgs)
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updateRecord.RecordId = exsitRecordID
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updateRecord.RR = global.RR
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updateRecord.Value = publicIP
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updateRecord.Type = dns.ARecord
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rsp := new(dns.UpdateDomainRecordResponse)
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rsp, err := client.UpdateDomainRecord(updateRecord)
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if nil != err {
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fmt.Println("修改解析失败", err)
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} else {
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fmt.Println("修改解析成功", rsp)
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}
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} else {
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// 没有配置记录，新增配置
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newRecord := new(dns.AddDomainRecordArgs)
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newRecord.DomainName = global.DomainName
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newRecord.RR = global.RR
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newRecord.Value = publicIP
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newRecord.Type = dns.ARecord
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rsp := new(dns.AddDomainRecordResponse)
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rsp, err = client.AddDomainRecord(newRecord)
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if nil != err {
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fmt.Println("添加DNS解析失败", err)
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} else {
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fmt.Println("添加DNS解析成功", rsp)
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}
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}
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}
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