80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
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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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"os"
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"strings"
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)
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const (
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updateUrl = "https://api.porkbun.com/api/json/v3/dns/editByNameType/awstinchubb.com/A"
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getUrl = "https://api.porkbun.com/api/json/v3/dns/retrieveByNameType/awstinchubb.com/A"
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apiKey = "DDNS_API_KEY"
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secretKey = "DDNS_SECRET_KEY"
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)
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type Record struct {
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Id string
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Name string
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Type string
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Content string
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Ttl string
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Prio string
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Notes string
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}
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type ResponseBody struct {
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Status string
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Cloudflare string
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Records []Record
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}
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func main() {
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ip := getIp()
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record := getRecord()
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if ip != record.Content {
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updateRecord(ip)
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}
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}
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func getRecord() Record {
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body := strings.NewReader(fmt.Sprintf("{\"secretapikey\": \"%s\", \"apikey\": \"%s\"}", os.Getenv(secretKey), os.Getenv(apiKey)))
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resp, err := http.Post(getUrl, "application/json", body)
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if err != nil {
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log.Fatal(err)
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}
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defer resp.Body.Close()
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resBodyBites, err := io.ReadAll(resp.Body)
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var resBody ResponseBody
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json.Unmarshal(resBodyBites, &resBody)
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return resBody.Records[0]
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}
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func updateRecord(ipAddr string) {
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body := strings.NewReader(fmt.Sprintf("{\"secretapikey\": \"%s\", \"apikey\": \"%s\", \"content\": \"%s\", \"ttl\": \"600\"}", os.Getenv(secretKey), os.Getenv(apiKey), ipAddr))
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resp, err := http.Post(updateUrl, "application/json", body)
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if err != nil {
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log.Fatal(err)
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}
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defer resp.Body.Close()
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}
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func getIp() string {
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resp, err := http.Get("https://icanhazip.com")
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if err != nil {
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log.Fatal(err)
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}
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defer resp.Body.Close()
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resBodyBites, err := io.ReadAll(resp.Body)
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return strings.TrimSpace(string(resBodyBites))
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}
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