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control-panel-dns
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control-panel-dns/cloudflare/cloudflare.go

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// This is a simple example
package cloudflare
import (
"log"
"os"
"bytes"
"io/ioutil"
"net/http"
"go.wit.com/gui"
)
/*
curl --request POST \
--url https://api.cloudflare.com/client/v4/zones/zone_identifier/dns_records \
--header 'Content-Type: application/json' \
--header 'X-Auth-Email: ' \
--data '{
"content": "198.51.100.4",
"name": "example.com",
"proxied": false,
"type": "A",
"comment": "Domain verification record",
"tags": [
"owner:dns-team"
],
"ttl": 3600
}'
*/
// CFdialog is everything you need forcreating
// a new record: name, TTL, type (CNAME, A, etc)
var CFdialog RRT
// Resource Record (used in a DNS zonefile)
type RRT struct {
cloudflareW *gui.Node // the window node
cloudflareB *gui.Node // the cloudflare button
TypeNode *gui.Node // CNAME, A, AAAA, ...
NameNode *gui.Node // www, mail, ...
ValueNode *gui.Node // 4.2.2.2, "dkim stuff", etc
proxyNode *gui.Node // If cloudflare is a port 80 & 443 proxy
ttlNode *gui.Node // just set to 1 which means automatic to cloudflare
curlNode *gui.Node // shows you what you could run via curl
resultNode *gui.Node // what the cloudflare API returned
saveNode *gui.Node // button to send it to cloudflare
zoneNode *gui.Node // "wit.com"
zoneIdNode *gui.Node // cloudflare zone ID
apiNode *gui.Node // cloudflare API key (from environment var CF_API_KEY)
emailNode *gui.Node // cloudflare email (from environment var CF_API_EMAIL)
ID string
Type string
Name string
Content string
ProxyS string
Proxied bool
Proxiable bool
Ttl string
}
func CreateRR(myGui *gui.Node, zone string, zoneID string) {
if (CFdialog.cloudflareW != nil) {
// skip this if the window has already been created
log.Println("createRR() the cloudflare window already exists")
CFdialog.cloudflareB.Disable()
return
}
CFdialog.cloudflareW = myGui.NewWindow("cloudflare " + zone + " API")
CFdialog.cloudflareW.Custom = func () {
log.Println("createRR() don't really exit here")
CFdialog.cloudflareW = nil
CFdialog.cloudflareB.Enable()
}
CFdialog.ID = zoneID
group := CFdialog.cloudflareW.NewGroup("Create a new DNS Resource Record (rr)")
// make a grid 2 things wide
grid := group.NewGrid("gridnuts", 2, 3)
grid.NewLabel("zone")
CFdialog.zoneNode = grid.NewLabel("zone")
CFdialog.zoneNode.SetText(zone)
grid.NewLabel("zone ID")
CFdialog.zoneIdNode = grid.NewLabel("zoneID")
CFdialog.zoneIdNode.SetText(zoneID)
grid.NewLabel("shell env $CF_API_EMAIL")
CFdialog.emailNode = grid.NewLabel("type")
CFdialog.emailNode.SetText(os.Getenv("CF_API_EMAIL"))
grid.NewLabel("shell env $CF_API_KEY")
CFdialog.apiNode = grid.NewLabel("type")
CFdialog.apiNode.SetText(os.Getenv("CF_API_KEY"))
grid.NewLabel("Record Type")
CFdialog.TypeNode = grid.NewCombobox("type")
CFdialog.TypeNode.AddText("A")
CFdialog.TypeNode.AddText("AAAA")
CFdialog.TypeNode.AddText("CNAME")
CFdialog.TypeNode.AddText("TXT")
CFdialog.TypeNode.AddText("MX")
CFdialog.TypeNode.AddText("NS")
CFdialog.TypeNode.Custom = func () {
CreateCurlRR()
}
CFdialog.TypeNode.SetText("AAAA")
grid.NewLabel("Name (usually the hostname)")
CFdialog.NameNode = grid.NewCombobox("name")
CFdialog.NameNode.AddText("www")
CFdialog.NameNode.AddText("mail")
CFdialog.NameNode.AddText("git")
CFdialog.NameNode.AddText("go")
CFdialog.NameNode.AddText("blog")
CFdialog.NameNode.AddText("ns1")
CFdialog.NameNode.Custom = func () {
CreateCurlRR()
}
CFdialog.NameNode.SetText("www")
grid.NewLabel("Cloudflare Proxy")
CFdialog.proxyNode = grid.NewDropdown("proxy")
CFdialog.proxyNode.AddText("On")
CFdialog.proxyNode.AddText("Off")
CFdialog.proxyNode.Custom = func () {
CreateCurlRR()
}
CFdialog.proxyNode.SetText("Off")
grid.NewLabel("Value")
CFdialog.ValueNode = grid.NewCombobox("value")
CFdialog.ValueNode.AddText("127.0.0.1")
CFdialog.ValueNode.AddText("2001:4860:4860::8888")
CFdialog.ValueNode.AddText("ipv6.wit.com")
CFdialog.ValueNode.Custom = func () {
CreateCurlRR()
}
CFdialog.ValueNode.SetText("127.0.0.1")
CFdialog.ValueNode.Expand()
group.NewLabel("curl")
CFdialog.curlNode = group.NewTextbox("curl")
CFdialog.curlNode.Custom = func () {
CreateCurlRR()
}
CFdialog.curlNode.SetText("put the curl text here")
CFdialog.resultNode = group.NewTextbox("result")
CFdialog.resultNode.SetText("API response will show here")
CFdialog.saveNode = group.NewButton("Save", func () {
url, data := CreateCurlRR()
result := curl(url, data)
CFdialog.resultNode.SetText(result)
})
CFdialog.saveNode.Disable()
group.Pad()
grid.Pad()
grid.Expand()
}
func CreateCurlRR() (string, string) {
// enable the Save/Create Button
if (CFdialog.saveNode != nil) {
CFdialog.saveNode.Enable()
}
if (CFdialog.TypeNode != nil) {
CFdialog.Type = CFdialog.TypeNode.S
}
if (CFdialog.NameNode != nil) {
CFdialog.Name = CFdialog.NameNode.S
}
if (CFdialog.proxyNode != nil) {
if (CFdialog.proxyNode.S == "On") {
CFdialog.ProxyS = "true"
} else {
CFdialog.ProxyS = "false"
}
}
if (CFdialog.ValueNode != nil) {
CFdialog.Content = CFdialog.ValueNode.S
}
CFdialog.Ttl = "3600"
var url string = "https://api.cloudflare.com/client/v4/zones/" + CFdialog.ID + "/dns_records"
// https://api.cloudflare.com/client/v4/zones/zone_identifier/dns_records \
// 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": "` + CFdialog.Content + `", `
tmp += `"name": "` + CFdialog.Name + `", `
tmp += `"type": "` + CFdialog.Type + `", `
tmp += `"ttl": ` + CFdialog.Ttl + `, `
tmp += `"proxied": ` + CFdialog.ProxyS + `, `
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 URL =", url)
log.Println("http PUT data =", pretty)
if (CFdialog.curlNode != nil) {
CFdialog.curlNode.SetText("URL: " + url + "\n" + pretty)
}
return url, tmp
}
func curl(url string, tmp string) string {
var authKey string = CFdialog.apiNode.S
var email string = CFdialog.emailNode.S
log.Println("curl() START")
data := []byte(tmp)
req, err := http.NewRequest(http.MethodPost, 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 ""
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Println(err)
return ""
}
// log.Println("http PUT body =", body)
// spew.Dump(body)
log.Println("result =", string(body))
log.Println("curl() END")
pretty, _ := formatJSON(string(body))
return pretty
}
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