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lego/providers/dns/versio/internal/client.go
2023-05-05 09:49:38 +02:00

150 lines
3.3 KiB
Go

package internal
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
)
// DefaultBaseURL default API endpoint.
const DefaultBaseURL = "https://www.versio.nl/api/v1/"
// Client the API client for Versio DNS.
type Client struct {
username string
password string
BaseURL *url.URL
HTTPClient *http.Client
}
// NewClient creates a new Client.
func NewClient(username string, password string) *Client {
baseURL, _ := url.Parse(DefaultBaseURL)
return &Client{
username: username,
password: password,
BaseURL: baseURL,
HTTPClient: &http.Client{Timeout: 5 * time.Second},
}
}
// UpdateDomain updates domain information.
// https://www.versio.nl/RESTapidoc/#api-Domains-Update
func (c *Client) UpdateDomain(ctx context.Context, domain string, msg *DomainInfo) (*DomainInfoResponse, error) {
endpoint := c.BaseURL.JoinPath("domains", domain, "update")
req, err := newJSONRequest(ctx, http.MethodPost, endpoint, msg)
if err != nil {
return nil, err
}
respData := &DomainInfoResponse{}
err = c.do(req, respData)
if err != nil {
return nil, err
}
return respData, nil
}
// GetDomain gets domain information.
// https://www.versio.nl/RESTapidoc/#api-Domains-Domain
func (c *Client) GetDomain(ctx context.Context, domain string) (*DomainInfoResponse, error) {
endpoint := c.BaseURL.JoinPath("domains", domain)
query := endpoint.Query()
query.Set("show_dns_records", "true")
endpoint.RawQuery = query.Encode()
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, err
}
respData := &DomainInfoResponse{}
err = c.do(req, respData)
if err != nil {
return nil, err
}
return respData, nil
}
func (c *Client) do(req *http.Request, result any) error {
if c.username != "" && c.password != "" {
req.SetBasicAuth(c.username, c.password)
}
resp, err := c.HTTPClient.Do(req)
if resp != nil {
defer func() { _ = resp.Body.Close() }()
}
if err != nil {
return errutils.NewHTTPDoError(req, err)
}
if resp.StatusCode/100 != 2 {
return parseError(req, resp)
}
if result == nil {
return nil
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return errutils.NewReadResponseError(req, resp.StatusCode, err)
}
if err = json.Unmarshal(raw, result); err != nil {
return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
}
return nil
}
func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
buf := new(bytes.Buffer)
if payload != nil {
err := json.NewEncoder(buf).Encode(payload)
if err != nil {
return nil, fmt.Errorf("failed to create request JSON body: %w", err)
}
}
req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
if err != nil {
return nil, fmt.Errorf("unable to create request: %w", err)
}
req.Header.Set("Accept", "application/json")
if payload != nil {
req.Header.Set("Content-Type", "application/json")
}
return req, nil
}
func parseError(req *http.Request, resp *http.Response) error {
raw, _ := io.ReadAll(resp.Body)
response := &ErrorResponse{}
err := json.Unmarshal(raw, response)
if err != nil {
return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
}
return fmt.Errorf("[status code: %d] %w", resp.StatusCode, response.Message)
}