Function ValidateStdinInput

cmd/gosqlx/cmd/stdin_utils.go:135–155

ValidateStdinInput validates stdin content for security This is a wrapper around existing security validation

(content []byte)

// ValidateStdinInput validates stdin content for security
// This is a wrapper around existing security validation
func ValidateStdinInput(content []byte) error {
	// Basic validation: check if content looks like SQL
	if len(content) == 0 {
		return fmt.Errorf("empty input")
	}

	// Size check (already done in ReadFromStdin, but double-check)
	if len(content) > MaxStdinSize {
		return fmt.Errorf("input too large: %d bytes (max %d)", len(content), MaxStdinSize)
	}

	// Additional validation: ensure it's not binary data
	// Check for null bytes (common in binary files)
	for i := 0; i < len(content) && i < 512; i++ {
		if content[i] == 0 {
			return fmt.Errorf("binary data detected in input")
		}
	}

	return nil
}

// DetectInputMode determines the input mode based on arguments and stdin state
// Returns: (useStdin bool, inputArg string, error)