func getExpirationTimeMs()

in signer/msk_auth_token_provider.go [291:315]

• 19 lines of code
• 4 McCabe index (conditional complexity)

func getExpirationTimeMs(signedURL string) (int64, error) {
	parsedURL, err := url.Parse(signedURL)

	if err != nil {
		return 0, fmt.Errorf("failed to parse the signed url: %w", err)
	}

	params := parsedURL.Query()
	date, err := time.Parse("20060102T150405Z", params.Get(DateQueryKey))

	if err != nil {
		return 0, fmt.Errorf("failed to parse the 'X-Amz-Date' param from signed url: %w", err)
	}

	signingTimeMs := date.UnixNano() / int64(time.Millisecond)
	expiryDurationSeconds, err := strconv.ParseInt(params.Get(ExpiresQueryKey), 10, 64)

	if err != nil {
		return 0, fmt.Errorf("failed to parse the 'X-Amz-Expires' param from signed url: %w", err)
	}

	expiryDurationMs := expiryDurationSeconds * 1000
	expiryMs := signingTimeMs + expiryDurationMs
	return expiryMs, nil
}