Function decodeBase64FileContent

pkg/cli/download_workflow.go:197–206

decodeBase64FileContent decodes base64-encoded file content returned by the GitHub API. The GitHub API wraps lines at 60 characters and may include surrounding whitespace, so both are stripped before decoding.

(raw string)

// The GitHub API wraps lines at 60 characters and may include surrounding whitespace,
// so both are stripped before decoding.
func decodeBase64FileContent(raw string) ([]byte, error) {
	cleaned := strings.ReplaceAll(strings.TrimSpace(raw), "\n", "")
	content, err := base64.StdEncoding.DecodeString(cleaned)
	if err != nil {
		downloadLog.Printf("Base64 decode failed: cleaned_len=%d, err=%v", len(cleaned), err)
		return nil, fmt.Errorf("failed to decode file content: %w", err)
	}
	downloadLog.Printf("Decoded base64 file content: bytes=%d", len(content))
	return content, nil
}