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

163 lines
3.9 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"
"golang.org/x/oauth2"
)
const defaultBaseURL = "https://api.netlify.com/api/v1"
// Client Netlify API client.
type Client struct {
baseURL *url.URL
httpClient *http.Client
}
// NewClient creates a new Client.
func NewClient(hc *http.Client) *Client {
baseURL, _ := url.Parse(defaultBaseURL)
if hc == nil {
hc = &http.Client{Timeout: 5 * time.Second}
}
return &Client{baseURL: baseURL, httpClient: hc}
}
// GetRecords gets a DNS records.
func (c *Client) GetRecords(ctx context.Context, zoneID string) ([]DNSRecord, error) {
endpoint := c.baseURL.JoinPath("dns_zones", zoneID, "dns_records")
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, fmt.Errorf("failed to create request: %w", err)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusOK {
return nil, errutils.NewUnexpectedResponseStatusCodeError(req, resp)
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return nil, errutils.NewReadResponseError(req, resp.StatusCode, err)
}
var records []DNSRecord
err = json.Unmarshal(raw, &records)
if err != nil {
return nil, errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
}
return records, nil
}
// CreateRecord creates a DNS records.
func (c *Client) CreateRecord(ctx context.Context, zoneID string, record DNSRecord) (*DNSRecord, error) {
endpoint := c.baseURL.JoinPath("dns_zones", zoneID, "dns_records")
req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
if err != nil {
return nil, fmt.Errorf("failed to create request: %w", err)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusCreated {
return nil, errutils.NewUnexpectedResponseStatusCodeError(req, resp)
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return nil, errutils.NewReadResponseError(req, resp.StatusCode, err)
}
var recordResp DNSRecord
err = json.Unmarshal(raw, &recordResp)
if err != nil {
return nil, errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
}
return &recordResp, nil
}
// RemoveRecord removes a DNS records.
func (c *Client) RemoveRecord(ctx context.Context, zoneID, recordID string) error {
endpoint := c.baseURL.JoinPath("dns_zones", zoneID, "dns_records", recordID)
req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
if err != nil {
return err
}
resp, err := c.httpClient.Do(req)
if err != nil {
return errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusNoContent {
return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
}
return nil
}
func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload interface{}) (*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; charset=utf-8")
}
return req, nil
}
func OAuthStaticAccessToken(client *http.Client, accessToken string) *http.Client {
if client == nil {
client = &http.Client{Timeout: 5 * time.Second}
}
client.Transport = &oauth2.Transport{
Source: oauth2.StaticTokenSource(&oauth2.Token{AccessToken: accessToken}),
Base: client.Transport,
}
return client
}