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client.go
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client.go
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package versio
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"path"
)
const defaultBaseURL = "https://www.versio.nl/api/v1/"
type dnsRecordsResponse struct {
Record dnsRecord `json:"domainInfo"`
}
type dnsRecord struct {
DNSRecords []record `json:"dns_records"`
}
type record struct {
Type string `json:"type,omitempty"`
Name string `json:"name,omitempty"`
Value string `json:"value,omitempty"`
Priority int `json:"prio,omitempty"`
TTL int `json:"ttl,omitempty"`
}
type dnsErrorResponse struct {
Error errorMessage `json:"error"`
}
type errorMessage struct {
Code int `json:"code,omitempty"`
Message string `json:"message,omitempty"`
}
func (d *DNSProvider) postDNSRecords(domain string, msg interface{}) error {
reqBody := &bytes.Buffer{}
err := json.NewEncoder(reqBody).Encode(msg)
if err != nil {
return err
}
req, err := d.makeRequest(http.MethodPost, "domains/"+domain+"/update", reqBody)
if err != nil {
return err
}
return d.do(req, nil)
}
func (d *DNSProvider) getDNSRecords(domain string) (*dnsRecordsResponse, error) {
req, err := d.makeRequest(http.MethodGet, "domains/"+domain+"?show_dns_records=true", nil)
if err != nil {
return nil, err
}
// we'll need all the dns_records to add the new TXT record
respData := &dnsRecordsResponse{}
err = d.do(req, respData)
if err != nil {
return nil, err
}
return respData, nil
}
func (d *DNSProvider) makeRequest(method string, uri string, body io.Reader) (*http.Request, error) {
endpoint, err := d.config.BaseURL.Parse(path.Join(d.config.BaseURL.EscapedPath(), uri))
if err != nil {
return nil, err
}
req, err := http.NewRequest(method, endpoint.String(), body)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
if len(d.config.Username) > 0 && len(d.config.Password) > 0 {
req.SetBasicAuth(d.config.Username, d.config.Password)
}
return req, nil
}
func (d *DNSProvider) do(req *http.Request, result interface{}) error {
resp, err := d.config.HTTPClient.Do(req)
if resp != nil {
defer resp.Body.Close()
}
if err != nil {
return err
}
if resp.StatusCode >= http.StatusBadRequest {
var body []byte
body, err = ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("%d: failed to read response body: %v", resp.StatusCode, err)
}
respError := &dnsErrorResponse{}
err = json.Unmarshal(body, respError)
if err != nil {
return fmt.Errorf("%d: request failed: %s", resp.StatusCode, string(body))
}
return fmt.Errorf("%d: request failed: %s", resp.StatusCode, respError.Error.Message)
}
if result != nil {
content, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("request failed: %v", err)
}
if err = json.Unmarshal(content, result); err != nil {
return fmt.Errorf("%v: %s", err, content)
}
}
return nil
}