support adding new subdomains too

main.go

@@ -5,12 +5,11 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"log"
 	"net/http"
 	"strings"
-
-	xj "github.com/basgys/goxml2json"
 )
 
 /*
@@ -53,49 +52,67 @@ func main() {
 	subdomain := flag.String("prefix", "*.home.", "subdomain to point to this IP, empty str ok")
 	apikey := flag.String("apikey", "7a26bd4b7aedbc6c44f56af38", "namesilo api key")
 	flag.Parse()
-	uri := "https://www.namesilo.com/api/dnsListRecords?version=1&type=xml&key=" + *apikey + "&domain=" + *domain
+	uri := "https://www.namesilo.com/api/dnsListRecords?version=1&type=json&key=" + *apikey + "&domain=" + *domain
 	log.Printf("uri=%s", uri)
 	resp, err := http.Get(uri)
 	if err != nil {
 		panic(err)
 	}
-	b, _ := ioutil.ReadAll(resp.Body)
-	log.Printf("%d: %s", resp.StatusCode, b)
-	buff := bytes.NewBuffer(b)
-	js, err := xj.Convert(buff)
+	defer resp.Body.Close()
+	b, _ := io.ReadAll(resp.Body)
+	if resp.StatusCode != http.StatusOK {
+		panic(fmt.Sprintf("(%d) %s", resp.StatusCode, b))
+	}
+	var rawraw struct {
+		//Namesilo struct {
+		Request struct {
+			IP string `json:"ip"`
+		} `json:"request"`
+		Reply struct {
+			ResourceRecord []struct {
+				Host     string `json:"host"`
+				RecordID string `json:"record_id"`
+			} `json:"resource_record"`
+		} `json:"reply"`
+		//} `json:"namesilo"`
+	}
+	if err := json.NewDecoder(bytes.NewReader(b)).Decode(&rawraw); err != nil {
+		panic(err)
+	}
+	ip := rawraw.Request.IP
+	log.Printf("%d: %+v (%s)", resp.StatusCode, rawraw, b)
+	log.Printf("looking for host == %s", *subdomain+*domain)
+	for _, v := range rawraw.Reply.ResourceRecord {
+		if v.Host != *subdomain+*domain {
+			continue
+		}
+		rrid := v.RecordID
+		log.Printf("found %s%s: %v %v", *subdomain, *domain, rrid, ip)
+		url := fmt.Sprintf("https://www.namesilo.com/api/dnsUpdateRecord?version=1&type=json&key="+*apikey+"&domain="+*domain+"&rrid=%s&rrhost="+strings.TrimRight(*subdomain, ".")+"&rrvalue=%s&rrttl=3600", rrid, ip)
+		log.Printf("updating via %s", url)
+		resp, err := http.Get(url)
+		if err != nil {
+			panic(err)
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode != http.StatusOK {
+			panic(resp.StatusCode)
+		}
+		b, _ := ioutil.ReadAll(resp.Body)
+		log.Printf("%v: %s", err, b)
+		return
+	}
+	url := fmt.Sprintf("https://www.namesilo.com/api/dnsAddRecord?version=1&type=json&key="+*apikey+"&domain="+*domain+"&rrtype=A&rrhost="+strings.TrimRight(*subdomain, ".")+"&rrvalue=%s&rrttl=3600", ip)
+	log.Printf("creating via %s", url)
+	resp, err = http.Get(url)
 	if err != nil {
 		panic(err)
 	}
-	var rawraw struct {
-		Namesilo struct {
-			Request struct {
-				IP string `json:"ip"`
-			} `json:"request"`
-			Reply struct {
-				ResourceRecord []struct {
-					Host     string `json:"host"`
-					RecordID string `json:"record_id"`
-				} `json:"resource_record"`
-			} `json:"reply"`
-		} `json:"namesilo"`
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		panic(resp.StatusCode)
 	}
-	if err := json.NewDecoder(strings.NewReader(js.String())).Decode(&rawraw); err != nil {
-		panic(err)
-	}
-	log.Printf("looking for host == %s", *subdomain+*domain)
-	for _, v := range rawraw.Namesilo.Reply.ResourceRecord {
-		if v.Host == *subdomain+*domain {
-			rrid := v.RecordID
-			ip := rawraw.Namesilo.Request.IP
-			log.Println(rrid, ip)
-			url := fmt.Sprintf("https://www.namesilo.com/api/dnsUpdateRecord?version=1&type=xml&key="+*apikey+"&domain="+*domain+"&rrid=%s&rrhost="+strings.TrimRight(*subdomain, ".")+"&rrvalue=%s&rrttl=3600", rrid, ip)
-			log.Printf("updating via %s", url)
-			resp, err := http.Get(url)
-			b, _ := ioutil.ReadAll(resp.Body)
-			js, _ := xj.Convert(bytes.NewBuffer(b))
-			log.Printf("%v: %s", err, js)
-			return
-		}
-	}
-	log.Println(rawraw)
+	b, _ = ioutil.ReadAll(resp.Body)
+	log.Printf("%v: %s", err, b)
+	return
 }