func()

in credhelper/helper.go [86:119]

• 33 lines of code
• 10 McCabe index (conditional complexity)

func (ch *gcrCredHelper) gcrCreds() (string, string, error) {
	accessToken, err := ch.getGCRAccessToken()
	if err != nil {
		if rerr, ok := err.(*oauth2.RetrieveError); ok {
			var resp struct {
				Error        string `json:"error"`
				ErrorSubtype string `json:"error_subtype"`
			}
			if err := json.Unmarshal(rerr.Body, &resp); err == nil &&
				resp.Error == "invalid_grant" &&
				resp.ErrorSubtype == "invalid_rapt" {
				fmt.Fprintln(os.Stderr, "Reauth required; opening a browser to proceed...")
				tok, err := (&auth.GCRLoginAgent{}).PerformLogin()
				if err != nil {
					return "", "", fmt.Errorf("unable to authenticate user: %v", err)
				}
				if err = ch.store.SetGCRAuth(tok); err != nil {
					return "", "", fmt.Errorf("unable to persist access token: %v", err)
				}
				fmt.Fprintln(os.Stderr, "Reauth successful!")
				// Attempt the refresh dance again, using the new token.
				if accessToken, err := ch.getGCRAccessToken(); err != nil {
					return "", "", err
				} else {
					return config.GcrOAuth2Username, accessToken, nil
				}
			}
		}
		if err != nil {
			return "", "", helperErr("could not retrieve GCR's access token", err)
		}
	}
	return config.GcrOAuth2Username, accessToken, nil
}