| 200 | } |
| 201 | |
| 202 | func (p *provider) do(ctx context.Context, method string, url *url.URL, data []byte) ([]byte, error) { |
| 203 | if p.token == "" { |
| 204 | if err := p.refreshToken(ctx); err != nil { |
| 205 | return nil, errors.Wrapf(err, "failed to refresh token") |
| 206 | } |
| 207 | } |
| 208 | const maxRetries = 3 |
| 209 | urlRedacted := url.String() |
| 210 | for i := 0; i < maxRetries; i++ { |
| 211 | if ctx.Err() != nil { |
| 212 | return nil, ctx.Err() |
| 213 | } |
| 214 | |
| 215 | b, cont, err := func() ([]byte, bool, error) { |
| 216 | q := url.Query() |
| 217 | q.Set("access_token", p.token) |
| 218 | url.RawQuery = q.Encode() |
| 219 | |
| 220 | req, err := http.NewRequestWithContext(ctx, method, url.String(), bytes.NewReader(data)) |
| 221 | if err != nil { |
| 222 | return nil, false, errors.Wrapf(err, "failed to construct %s %s", method, urlRedacted) |
| 223 | } |
| 224 | |
| 225 | req.Header.Set("Content-Type", "application/json; charset=utf-8") |
| 226 | |
| 227 | resp, err := p.c.Do(req) |
| 228 | if err != nil { |
| 229 | return nil, false, errors.Wrapf(err, "%s %s", method, url) |
| 230 | } |
| 231 | defer resp.Body.Close() |
| 232 | |
| 233 | if resp.StatusCode != http.StatusOK { |
| 234 | return nil, false, errors.Errorf("received non-200 HTTP code %d for %s %s", resp.StatusCode, method, urlRedacted) |
| 235 | } |
| 236 | |
| 237 | b, err := io.ReadAll(resp.Body) |
| 238 | if err != nil { |
| 239 | return nil, false, errors.Wrapf(err, "failed to read body of %s %s", method, urlRedacted) |
| 240 | } |
| 241 | |
| 242 | var response struct { |
| 243 | ErrCode int `json:"errcode"` |
| 244 | ErrMsg string `json:"errmsg"` |
| 245 | } |
| 246 | if err := json.Unmarshal(b, &response); err != nil { |
| 247 | return nil, false, errors.Errorf("failed to unmarshal response") |
| 248 | } |
| 249 | if response.ErrCode != 0 { |
| 250 | return nil, false, errors.Errorf("response errcode %d, errmsg %s", response.ErrCode, response.ErrMsg) |
| 251 | } |
| 252 | if response.ErrCode == emptyTokenRespCode || response.ErrCode == expiredTokenRespCode { |
| 253 | if err := p.refreshToken(ctx); err != nil { |
| 254 | return nil, false, errors.Wrapf(err, "failed to refresh token") |
| 255 | } |
| 256 | return nil, true, nil |
| 257 | } |
| 258 | return b, false, nil |
| 259 | }() |