mirror of
https://github.com/jeessy2/ddns-go.git
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249 lines
6.5 KiB
Go
249 lines
6.5 KiB
Go
package dns
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import (
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"bytes"
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"encoding/json"
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"net/http"
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"strconv"
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"github.com/jeessy2/ddns-go/v6/config"
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"github.com/jeessy2/ddns-go/v6/util"
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)
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const (
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tencentCloudEndPoint = "https://dnspod.tencentcloudapi.com"
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tencentCloudVersion = "2021-03-23"
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)
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// TencentCloud 腾讯云 DNSPod API 3.0 实现
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// https://cloud.tencent.com/document/api/1427/56193
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type TencentCloud struct {
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DNS config.DNS
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Domains config.Domains
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TTL int
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}
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// TencentCloudRecord 腾讯云记录
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type TencentCloudRecord struct {
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Domain string `json:"Domain"`
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// DescribeRecordList 不需要 SubDomain
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SubDomain string `json:"SubDomain,omitempty"`
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// CreateRecord/ModifyRecord 不需要 Subdomain
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Subdomain string `json:"Subdomain,omitempty"`
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RecordType string `json:"RecordType"`
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RecordLine string `json:"RecordLine"`
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// DescribeRecordList 不需要 Value
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Value string `json:"Value,omitempty"`
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// CreateRecord/DescribeRecordList 不需要 RecordId
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RecordId string `json:"RecordId,omitempty"`
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// DescribeRecordList 不需要 TTL
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TTL int `json:"TTL,omitempty"`
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}
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// TencentCloudRecordListsResp 获取域名的解析记录列表返回结果
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type TencentCloudRecordListsResp struct {
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TencentCloudStatus
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Response struct {
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RecordCountInfo struct {
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TotalCount int `json:"TotalCount"`
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} `json:"RecordCountInfo"`
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RecordList []TencentCloudRecord `json:"RecordList"`
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}
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}
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// TencentCloudStatus 腾讯云返回状态
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// https://cloud.tencent.com/document/product/1427/56192
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type TencentCloudStatus struct {
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Response struct {
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Error struct {
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Code string
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Message string
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}
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}
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}
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func (tc *TencentCloud) Init(dnsConf *config.DnsConfig, ipv4cache *util.IpCache, ipv6cache *util.IpCache) {
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tc.Domains.Ipv4Cache = ipv4cache
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tc.Domains.Ipv6Cache = ipv6cache
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tc.DNS = dnsConf.DNS
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tc.Domains.GetNewIp(dnsConf)
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if dnsConf.TTL == "" {
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// 默认 600s
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tc.TTL = 600
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} else {
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ttl, err := strconv.Atoi(dnsConf.TTL)
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if err != nil {
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tc.TTL = 600
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} else {
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tc.TTL = ttl
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}
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}
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}
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// AddUpdateDomainRecords 添加或更新 IPv4/IPv6 记录
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func (tc *TencentCloud) AddUpdateDomainRecords() config.Domains {
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tc.addUpdateDomainRecords("A")
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tc.addUpdateDomainRecords("AAAA")
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return tc.Domains
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}
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func (tc *TencentCloud) addUpdateDomainRecords(recordType string) {
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ipAddr, domains := tc.Domains.GetNewIpResult(recordType)
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if ipAddr == "" {
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return
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}
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for _, domain := range domains {
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result, err := tc.getRecordList(domain, recordType)
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if err != nil {
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util.Log("查询域名信息发生异常! %s", err)
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domain.UpdateStatus = config.UpdatedFailed
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return
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}
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if result.Response.RecordCountInfo.TotalCount > 0 {
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// 默认第一个
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recordSelected := result.Response.RecordList[0]
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params := domain.GetCustomParams()
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if params.Has("RecordId") {
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for i := 0; i < result.Response.RecordCountInfo.TotalCount; i++ {
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if result.Response.RecordList[i].RecordId == params.Get("RecordId") {
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recordSelected = result.Response.RecordList[i]
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}
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}
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}
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// 修改记录
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tc.modify(recordSelected, domain, recordType, ipAddr)
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} else {
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// 添加记录
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tc.create(domain, recordType, ipAddr)
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}
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}
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}
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// create 添加记录
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// CreateRecord https://cloud.tencent.com/document/api/1427/56180
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func (tc *TencentCloud) create(domain *config.Domain, recordType string, ipAddr string) {
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record := &TencentCloudRecord{
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Domain: domain.DomainName,
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SubDomain: domain.GetSubDomain(),
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RecordType: recordType,
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RecordLine: tc.getRecordLine(domain),
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Value: ipAddr,
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TTL: tc.TTL,
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}
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var status TencentCloudStatus
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err := tc.request(
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"CreateRecord",
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record,
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&status,
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)
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if err != nil {
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util.Log("新增域名解析 %s 失败! 异常信息: %s", domain, err)
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domain.UpdateStatus = config.UpdatedFailed
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return
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}
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if status.Response.Error.Code == "" {
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util.Log("新增域名解析 %s 成功! IP: %s", domain, ipAddr)
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domain.UpdateStatus = config.UpdatedSuccess
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} else {
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util.Log("新增域名解析 %s 失败! 异常信息: %s", domain, status.Response.Error.Message)
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domain.UpdateStatus = config.UpdatedFailed
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}
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}
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// modify 修改记录
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// ModifyRecord https://cloud.tencent.com/document/api/1427/56157
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func (tc *TencentCloud) modify(record TencentCloudRecord, domain *config.Domain, recordType string, ipAddr string) {
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// 相同不修改
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if record.Value == ipAddr {
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util.Log("你的IP %s 没有变化, 域名 %s", ipAddr, domain)
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return
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}
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var status TencentCloudStatus
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record.Domain = domain.DomainName
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record.SubDomain = domain.GetSubDomain()
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record.RecordType = recordType
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record.RecordLine = tc.getRecordLine(domain)
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record.Value = ipAddr
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record.TTL = tc.TTL
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err := tc.request(
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"ModifyRecord",
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record,
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&status,
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)
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if err != nil {
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util.Log("更新域名解析 %s 失败! 异常信息: %s", domain, err)
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domain.UpdateStatus = config.UpdatedFailed
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return
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}
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if status.Response.Error.Code == "" {
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util.Log("更新域名解析 %s 成功! IP: %s", domain, ipAddr)
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domain.UpdateStatus = config.UpdatedSuccess
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} else {
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util.Log("更新域名解析 %s 失败! 异常信息: %s", domain, status.Response.Error.Message)
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domain.UpdateStatus = config.UpdatedFailed
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}
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}
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// getRecordList 获取域名的解析记录列表
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// DescribeRecordList https://cloud.tencent.com/document/api/1427/56166
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func (tc *TencentCloud) getRecordList(domain *config.Domain, recordType string) (result TencentCloudRecordListsResp, err error) {
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record := TencentCloudRecord{
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Domain: domain.DomainName,
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Subdomain: domain.GetSubDomain(),
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RecordType: recordType,
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RecordLine: tc.getRecordLine(domain),
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}
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err = tc.request(
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"DescribeRecordList",
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record,
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&result,
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)
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return
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}
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// getRecordLine 获取记录线路，为空返回默认
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func (tc *TencentCloud) getRecordLine(domain *config.Domain) string {
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if domain.GetCustomParams().Has("RecordLine") {
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return domain.GetCustomParams().Get("RecordLine")
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}
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return "默认"
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}
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// request 统一请求接口
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func (tc *TencentCloud) request(action string, data interface{}, result interface{}) (err error) {
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jsonStr := make([]byte, 0)
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if data != nil {
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jsonStr, _ = json.Marshal(data)
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}
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req, err := http.NewRequest(
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"POST",
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tencentCloudEndPoint,
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bytes.NewBuffer(jsonStr),
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)
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if err != nil {
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return
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("X-TC-Version", tencentCloudVersion)
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util.TencentCloudSigner(tc.DNS.ID, tc.DNS.Secret, req, action, string(jsonStr), util.DnsPod)
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client := util.CreateHTTPClient()
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resp, err := client.Do(req)
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err = util.GetHTTPResponse(resp, err, result)
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return
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}
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