poll the endpoint for the request resource, waiting for the user interaction
(client *http.Client, requestURL string, log *zerolog.Logger)
| 132 | |
| 133 | // poll the endpoint for the request resource, waiting for the user interaction |
| 134 | func poll(client *http.Client, requestURL string, log *zerolog.Logger) ([]byte, string, error) { |
| 135 | req, err := http.NewRequest(http.MethodGet, requestURL, nil) |
| 136 | if err != nil { |
| 137 | return nil, "", err |
| 138 | } |
| 139 | req.Header.Set("User-Agent", userAgent) |
| 140 | resp, err := client.Do(req) // nolint: gosec |
| 141 | if err != nil { |
| 142 | return nil, "", err |
| 143 | } |
| 144 | defer func() { _ = resp.Body.Close() }() |
| 145 | |
| 146 | // ignore everything other than server errors as the resource |
| 147 | // may not exist until the user does the interaction |
| 148 | if resp.StatusCode >= 500 { |
| 149 | buf := new(bytes.Buffer) |
| 150 | if _, err := io.Copy(buf, resp.Body); err != nil { |
| 151 | return nil, "", err |
| 152 | } |
| 153 | |
| 154 | return nil, "", fmt.Errorf("error on request %d: %s", resp.StatusCode, buf.String()) |
| 155 | } |
| 156 | if resp.StatusCode != 200 { |
| 157 | log.Info().Msg("Waiting for login...") |
| 158 | return nil, "", nil |
| 159 | } |
| 160 | |
| 161 | buf := new(bytes.Buffer) |
| 162 | if _, err := io.Copy(buf, resp.Body); err != nil { |
| 163 | return nil, "", err |
| 164 | } |
| 165 | return buf.Bytes(), resp.Header.Get("service-public-key"), nil |
| 166 | } |