| 272 | const maxRetries = 3 |
| 273 | |
| 274 | func (p *provider) do(ctx context.Context, method, url string, data []byte) ([]byte, error) { |
| 275 | if p.token == "" { |
| 276 | if err := p.refreshToken(ctx); err != nil { |
| 277 | return nil, errors.Wrapf(err, "failed to refresh token") |
| 278 | } |
| 279 | } |
| 280 | for i := 0; i < maxRetries; i++ { |
| 281 | if ctx.Err() != nil { |
| 282 | return nil, ctx.Err() |
| 283 | } |
| 284 | |
| 285 | b, cont, err := func() ([]byte, bool, error) { |
| 286 | req, err := http.NewRequestWithContext(ctx, method, url, bytes.NewReader(data)) |
| 287 | if err != nil { |
| 288 | return nil, false, errors.Wrapf(err, "failed to construct %s %s", method, url) |
| 289 | } |
| 290 | |
| 291 | req.Header.Set("Content-Type", "application/json; charset=utf-8") |
| 292 | req.Header.Add("Authorization", "Bearer "+p.token) |
| 293 | |
| 294 | resp, err := p.c.Do(req) |
| 295 | if err != nil { |
| 296 | return nil, false, errors.Wrapf(err, "%s %s", method, url) |
| 297 | } |
| 298 | defer resp.Body.Close() |
| 299 | |
| 300 | if resp.StatusCode != http.StatusOK { |
| 301 | return nil, false, errors.Errorf("received non-200 HTTP code %d for %s %s", resp.StatusCode, method, url) |
| 302 | } |
| 303 | |
| 304 | b, err := io.ReadAll(resp.Body) |
| 305 | if err != nil { |
| 306 | return nil, false, errors.Wrapf(err, "failed to read body of %s %s", method, url) |
| 307 | } |
| 308 | |
| 309 | var response struct { |
| 310 | Code int `json:"code"` |
| 311 | } |
| 312 | if err := json.Unmarshal(b, &response); err != nil { |
| 313 | return nil, false, errors.Errorf("failed to unmarshal response") |
| 314 | } |
| 315 | if response.Code == emptyTokenRespCode || response.Code == invalidTokenRespCode { |
| 316 | if err := p.refreshToken(ctx); err != nil { |
| 317 | return nil, false, errors.Wrapf(err, "failed to refresh token") |
| 318 | } |
| 319 | return nil, true, nil |
| 320 | } |
| 321 | return b, false, nil |
| 322 | }() |
| 323 | if err != nil { |
| 324 | return nil, err |
| 325 | } |
| 326 | if cont { |
| 327 | continue |
| 328 | } |
| 329 | return b, nil |
| 330 | } |
| 331 | return nil, errors.Errorf("exceeds max retries for %s %s", method, url) |