lego/providers/dns/wedos/internal/client.go

216 lines
5.1 KiB
Go
Raw Normal View History

package internal
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"time"
"github.com/go-acme/lego/v4/challenge/dns01"
)
const baseURL = "https://api.wedos.com/wapi/json"
const codeOk = 1000
const (
commandPing = "ping"
commandDNSDomainCommit = "dns-domain-commit"
commandDNSRowsList = "dns-rows-list"
commandDNSRowDelete = "dns-row-delete"
commandDNSRowAdd = "dns-row-add"
commandDNSRowUpdate = "dns-row-update"
)
type ResponsePayload struct {
Code int `json:"code,omitempty"`
Result string `json:"result,omitempty"`
Timestamp int `json:"timestamp,omitempty"`
SvTRID string `json:"svTRID,omitempty"`
Command string `json:"command,omitempty"`
Data json.RawMessage `json:"data"`
DNSRowsList []DNSRow
}
type DNSRow struct {
ID string `json:"ID,omitempty"`
Domain string `json:"domain,omitempty"`
Name string `json:"name,omitempty"`
TTL json.Number `json:"ttl,omitempty" type:"integer"`
Type string `json:"rdtype,omitempty"`
Data string `json:"rdata"`
}
type APIRequest struct {
User string `json:"user,omitempty"`
Auth string `json:"auth,omitempty"`
Command string `json:"command,omitempty"`
Data interface{} `json:"data,omitempty"`
}
type Client struct {
username string
password string
baseURL string
HTTPClient *http.Client
}
func NewClient(username string, password string) *Client {
return &Client{
username: username,
password: password,
baseURL: baseURL,
HTTPClient: &http.Client{Timeout: 10 * time.Second},
}
}
// GetRecords lists all the records in the zone.
// https://kb.wedos.com/en/wapi-api-interface/wapi-command-dns-rows-list/
func (c *Client) GetRecords(ctx context.Context, zone string) ([]DNSRow, error) {
payload := map[string]interface{}{
"domain": dns01.UnFqdn(zone),
}
resp, err := c.do(ctx, commandDNSRowsList, payload)
if err != nil {
return nil, err
}
arrayWrapper := struct {
Rows []DNSRow `json:"row"`
}{}
err = json.Unmarshal(resp.Data, &arrayWrapper)
if err != nil {
return nil, err
}
return arrayWrapper.Rows, err
}
// AddRecord adds a record in the zone, either by updating existing records or creating new ones.
// https://kb.wedos.com/en/wapi-api-interface/wapi-command-dns-add-row/
// https://kb.wedos.com/en/wapi-api-interface/wapi-command-dns-row-update/
func (c *Client) AddRecord(ctx context.Context, zone string, record DNSRow) error {
payload := DNSRow{
Domain: dns01.UnFqdn(zone),
TTL: record.TTL,
Type: record.Type,
Data: record.Data,
}
cmd := commandDNSRowAdd
if record.ID == "" {
payload.Name = record.Name
} else {
cmd = commandDNSRowUpdate
payload.ID = record.ID
}
_, err := c.do(ctx, cmd, payload)
if err != nil {
return err
}
return nil
}
// DeleteRecord deletes a record from the zone.
// If a record does not have an ID, it will be looked up.
// https://kb.wedos.com/en/wapi-api-interface/wapi-command-dns-row-delete/
func (c *Client) DeleteRecord(ctx context.Context, zone string, recordID string) error {
payload := DNSRow{
Domain: dns01.UnFqdn(zone),
ID: recordID,
}
_, err := c.do(ctx, commandDNSRowDelete, payload)
if err != nil {
return err
}
return nil
}
// Commit not really required, all changes will be auto-committed after 5 minutes.
// https://kb.wedos.com/en/wapi-api-interface/wapi-command-dns-domain-commit/
func (c *Client) Commit(ctx context.Context, zone string) error {
payload := map[string]interface{}{
"name": dns01.UnFqdn(zone),
}
_, err := c.do(ctx, commandDNSDomainCommit, payload)
if err != nil {
return err
}
return nil
}
func (c *Client) Ping(ctx context.Context) error {
_, err := c.do(ctx, commandPing, nil)
if err != nil {
return err
}
return nil
}
func (c *Client) do(ctx context.Context, command string, payload interface{}) (*ResponsePayload, error) {
requestObject := map[string]interface{}{
"request": APIRequest{
User: c.username,
Auth: authToken(c.username, c.password),
Command: command,
Data: payload,
},
}
jsonBytes, err := json.Marshal(requestObject)
if err != nil {
return nil, err
}
form := url.Values{}
form.Add("request", string(jsonBytes))
req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.baseURL, strings.NewReader(form.Encode()))
if err != nil {
return nil, err
}
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, err
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode/100 != 2 {
return nil, fmt.Errorf("API error, status code: %d", resp.StatusCode)
}
responseWrapper := struct {
Response ResponsePayload `json:"response"`
}{}
err = json.Unmarshal(body, &responseWrapper)
if err != nil {
return nil, err
}
if responseWrapper.Response.Code != codeOk {
return nil, fmt.Errorf("wedos responded with error code %d = %s", responseWrapper.Response.Code, responseWrapper.Response.Result)
}
return &responseWrapper.Response, err
}