99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"strings"
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)
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// NameSiloAPIResponse 严格对应你提供的 JSON 返回
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type NameSiloAPIResponse struct {
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Request struct {
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Operation string `json:"operation"`
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IP string `json:"ip"`
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} `json:"request"`
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Reply struct {
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Code int `json:"code"`
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Detail string `json:"detail"`
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ResourceRecords []struct {
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RecordID string `json:"record_id"`
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Type string `json:"type"`
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Host string `json:"host"`
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Value string `json:"value"`
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TTL int `json:"ttl"` // JSON 中显示为数字
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Distance int `json:"distance"` // JSON 中显示为数字 0
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} `json:"resource_record"`
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} `json:"reply"`
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}
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// RetrieveDNSRecords 使用 Namesilo API 获取指定域名的所有 DNS 记录
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func RetrieveDNSRecords(apiKey, domain string) (*NameSiloAPIResponse, error) {
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url := fmt.Sprintf("https://www.namesilo.com/api/dnsListRecords?version=1&type=json&key=%s&domain=%s", apiKey, domain)
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// log.Println("Requesting URL:", url) // 调试用，如果需要隐藏 Key 请注释
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resp, err := http.Get(url)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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var apiResponse NameSiloAPIResponse
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if err := json.Unmarshal(body, &apiResponse); err != nil {
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log.Printf("JSON 解析错误: %v\n原始数据: %s\n", err, string(body))
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return nil, err
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}
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return &apiResponse, nil
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}
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// FetchSubdomainRecord 获取指定子域名的 DNS 记录 ID
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// Subdomain 参数通常是完整域名，如 "v6.aixiao.me"
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func FetchSubdomainRecord(key string, domain string, Subdomain string) string {
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// 获取 DNS 记录列表
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response, err := RetrieveDNSRecords(key, domain)
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if err != nil {
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log.Println("获取 DNS 记录网络请求失败:", err)
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return "NULL"
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}
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// 检查 API 返回码
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if response.Reply.Code != 300 {
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log.Printf("NameSilo API 错误: Code %d, Detail: %s\n", response.Reply.Code, response.Reply.Detail)
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return "NULL"
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}
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// 计算主机头 (Host Prefix)
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// 如果 Subdomain 是 "v6.aixiao.me"，Domain 是 "aixiao.me"
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// 那么我们需要匹配的 Host 应该是 "v6"
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targetHost := Subdomain
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if strings.HasSuffix(Subdomain, "."+domain) {
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targetHost = strings.TrimSuffix(Subdomain, "."+domain)
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}
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// 遍历查找
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for _, record := range response.Reply.ResourceRecords {
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// 1. 匹配主机名 (Host)
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// 2. 匹配记录类型 (Type) 必须为 AAAA (IPv6)
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if record.Host == targetHost && record.Type == "AAAA" {
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log.Printf("匹配成功! RecordID: %s | Host: %s | Type: %s | Current Value: %s\n",
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record.RecordID, record.Host, record.Type, record.Value)
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return record.RecordID
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}
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}
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log.Printf("未在 NameSilo 找到主机头为 [%s] 的 AAAA 记录。\n", targetHost)
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log.Println("请检查 NameSilo 后台是否已手动创建了该域名的 AAAA 记录。")
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return "NULL"
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}
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