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// This is a simple example
package main
import (
"os"
"log"
"fmt"
"encoding/json"
"io/ioutil"
"net/http"
// "strconv"
"bytes"
"github.com/davecgh/go-spew/spew"
)
func doChange(dnsRow *RRT) {
log.Println("Look for changes in row", dnsRow.ID)
log.Println("Proxy", dnsRow.Proxied, "vs", dnsRow.proxyNode.S)
log.Println("Content", dnsRow.Content, "vs", dnsRow.valueNode.S)
if (dnsRow.Content != dnsRow.valueNode.S) {
log.Println("UPDATE VALUE", dnsRow.nameNode.Name, dnsRow.typeNode.Name, "to", dnsRow.valueNode.S)
stuff, result := httpPut(dnsRow)
if (dnsRow.curlNode != nil) {
pretty, _ := formatJSON(stuff)
log.Println("http PUT curl =", pretty)
dnsRow.curlNode.SetText(pretty)
}
if (dnsRow.resultNode != nil) {
pretty, _ := formatJSON(result)
log.Println("http PUT result =", pretty)
dnsRow.resultNode.SetText(pretty)
}
}
dnsRow.saveNode.Disable()
}
func getZonefile(c *configT) *DNSRecords {
var url = cloudflareURL + c.zoneID + "/dns_records/"
log.Println("getZonefile()", c.domain, url)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Println("http.NewRequest error:", err)
return nil
}
// Set headers
req.Header.Set("X-Auth-Key", c.auth)
req.Header.Set("X-Auth-Email", c.email)
log.Println("getZonefile() auth, email", c.auth, c.email)
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
log.Println("http.Client error:", err)
return nil
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Println("ioutil.ReadAll() error", err)
return nil
}
var records DNSRecords
if err := json.Unmarshal(body, &records); err != nil {
log.Println("json.Unmarshal() error", err)
return nil
}
log.Println("getZonefile() worked", records)
return &records
}
/*
pass in a DNS Resource Records (the stuff in a zonefile)
This will talk to the cloudflare API and generate a resource record in the zonefile:
For example:
gitea.wit.com. 3600 IN CNAME git.wit.org.
go.wit.com. 3600 IN A 1.1.1.9
test.wit.com. 3600 IN NS ns1.wit.com.
*/
func httpPut(dnsRow *RRT) (string, string) {
var url string = cloudflareURL + os.Getenv("CF_API_ZONEID") + "/dns_records/" + dnsRow.ID
var authKey string = os.Getenv("CF_API_KEY")
var email string = os.Getenv("CF_API_EMAIL")
// make a json record to send on port 80 to cloudflare
var tmp string
tmp = `{"content": "` + dnsRow.valueNode.S + `", `
tmp += `"name": "` + dnsRow.Name + `", `
tmp += `"type": "` + dnsRow.Type + `", `
tmp+= `"ttl": "` + "1" + `", `
tmp += `"comment": "WIT DNS Control Panel"`
tmp += `}`
data := []byte(tmp)
log.Println("http PUT url =", url)
// log.Println("http PUT data =", data)
// spew.Dump(data)
pretty, _ := formatJSON(string(data))
log.Println("http PUT data =", pretty)
req, err := http.NewRequest(http.MethodPut, url, bytes.NewBuffer(data))
// Set headers
req.Header.Set("Content-Type", "application/json")
req.Header.Set("X-Auth-Key", authKey)
req.Header.Set("X-Auth-Email", email)
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
log.Println(err)
return tmp, fmt.Sprintf("blah err =", err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Println(err)
return tmp, fmt.Sprintf("blah err =", err)
}
// log.Println("http PUT body =", body)
// spew.Dump(body)
return tmp, string(body)
}
// https://api.cloudflare.com/client/v4/zones
func getZones(auth, email string) *DNSRecords {
var url = "https://api.cloudflare.com/client/v4/zones"
log.Println("getZones()", url)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Println("http.NewRequest error:", err)
return nil
}
// Set headers
req.Header.Set("X-Auth-Key", auth)
req.Header.Set("X-Auth-Email", email)
log.Println("getZones() auth, email", auth, email)
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
log.Println("getZones() http.Client error:", err)
return nil
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Println("getZones() ioutil.ReadAll() error", err)
return nil
}
var records DNSRecords
if err := json.Unmarshal(body, &records); err != nil {
log.Println("getZones() json.Unmarshal() error", err)
return nil
}
/* Cloudflare API returns struct[] of:
struct { ID string "json:\"id\""; Type string "json:\"type\""; Name string "json:\"name\"";
Content string "json:\"content\""; Proxied bool "json:\"proxied\"";
Proxiable bool "json:\"proxiable\""; TTL int "json:\"ttl\"" }
*/
// log.Println("getZones() worked", records)
// log.Println("spew dump:")
spew.Dump(records)
for _, record := range records.Result {
log.Println("spew record:", record)
log.Println("record:", record.Name, record.ID)
var newc *configT
newc = new(configT)
newc.domain = record.Name
newc.zoneID = record.ID
newc.auth = auth
newc.email = email
config[record.Name] = newc
zonedrop.AddText(record.Name)
log.Println("zonedrop.AddText:", record.Name, record.ID)
}
for d, _ := range config {
log.Println("config entry:", d)
}
return &records
}
// formatJSON takes an unformatted JSON string and returns a formatted version.
func formatJSON(unformattedJSON string) (string, error) {
var jsonData interface{}
// Decode the JSON string into an interface
err := json.Unmarshal([]byte(unformattedJSON), &jsonData)
if err != nil {
return "", err
}
// Re-encode the JSON with indentation for formatting
formattedJSON, err := json.MarshalIndent(jsonData, "", " ")
if err != nil {
return "", err
}
return string(formattedJSON), nil
}
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