Function parseHTTPErrorResponse

docker/distribution_error.go:66–109

(statusCode int, r io.Reader)

}

func parseHTTPErrorResponse(statusCode int, r io.Reader) error {
	var errors errcode.Errors
	body, err := io.ReadAll(r)
	if err != nil {
		return err
	}

	// For backward compatibility, handle irregularly formatted
	// messages that contain a "details" field.
	var detailsErr struct {
		Details string `json:"details"`
	}
	err = json.Unmarshal(body, &detailsErr)
	if err == nil && detailsErr.Details != "" {
		switch statusCode {
		case http.StatusUnauthorized:
			return errcode.ErrorCodeUnauthorized.WithMessage(detailsErr.Details)
		case http.StatusTooManyRequests:
			return errcode.ErrorCodeTooManyRequests.WithMessage(detailsErr.Details)
		default:
			return errcode.ErrorCodeUnknown.WithMessage(detailsErr.Details)
		}
	}

	if err := json.Unmarshal(body, &errors); err != nil {
		return &unexpectedHTTPResponseError{
			ParseErr:   err,
			StatusCode: statusCode,
			Response:   body,
		}
	}

	if len(errors) == 0 {
		// If there was no error specified in the body, return
		// UnexpectedHTTPResponseError.
		return &unexpectedHTTPResponseError{
			ParseErr:   errNoErrorsInBody,
			StatusCode: statusCode,
			Response:   body,
		}
	}

	return errors
}

func makeErrorList(err error) []error {
	if errL, ok := err.(errcode.Errors); ok {