/
client.go
174 lines (136 loc) · 3.71 KB
/
client.go
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package internal
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"sync"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
)
// Default API endpoints.
const (
APIBaseURL = "https://console.sbercloud.ru/api/clouddns/v1"
AuthBaseURL = "https://auth.iam.sbercloud.ru/auth/system/openid/token"
)
// Client the Cloud.ru API client.
type Client struct {
keyID string
secret string
APIEndpoint *url.URL
AuthEndpoint *url.URL
HTTPClient *http.Client
token *Token
muToken sync.Mutex
}
// NewClient Creates a new Client.
func NewClient(login, secret string) *Client {
apiEndpoint, _ := url.Parse(APIBaseURL)
authEndpoint, _ := url.Parse(AuthBaseURL)
return &Client{
keyID: login,
secret: secret,
APIEndpoint: apiEndpoint,
AuthEndpoint: authEndpoint,
HTTPClient: &http.Client{Timeout: 5 * time.Second},
}
}
func (c *Client) GetZones(ctx context.Context, parentID string) ([]Zone, error) {
endpoint := c.APIEndpoint.JoinPath("zones")
query := endpoint.Query()
query.Set("parentId", parentID)
endpoint.RawQuery = query.Encode()
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, err
}
var zones APIResponse[Zone]
err = c.do(req, &zones)
if err != nil {
return nil, err
}
return zones.Items, nil
}
func (c *Client) GetRecords(ctx context.Context, zoneID string) ([]Record, error) {
endpoint := c.APIEndpoint.JoinPath("zones", zoneID, "records")
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, err
}
var records APIResponse[Record]
err = c.do(req, &records)
if err != nil {
return nil, err
}
return records.Items, nil
}
func (c *Client) CreateRecord(ctx context.Context, zoneID string, record Record) (*Record, error) {
endpoint := c.APIEndpoint.JoinPath("zones", zoneID, "records")
req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
if err != nil {
return nil, err
}
var result Record
err = c.do(req, &result)
if err != nil {
return nil, err
}
return &result, nil
}
func (c *Client) DeleteRecord(ctx context.Context, zoneID, name, recordType string) error {
endpoint := c.APIEndpoint.JoinPath("zones", zoneID, "records", name, recordType)
req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
if err != nil {
return err
}
return c.do(req, nil)
}
func (c *Client) do(req *http.Request, result any) error {
tok := getToken(req.Context())
if tok != nil {
req.Header.Set("Authorization", "Bearer "+tok.AccessToken)
} else {
return fmt.Errorf("not logged in")
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusOK {
return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return errutils.NewReadResponseError(req, resp.StatusCode, err)
}
if result == nil {
return nil
}
err = json.Unmarshal(raw, result)
if 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
}