Function sanitizeFilenameForMetadata

apps/sim/lib/uploads/utils/file-utils.ts:807–821

(filename: string)

 * and cannot contain certain special characters
 */
export function sanitizeFilenameForMetadata(filename: string): string {
  return (
    filename
      // Remove non-ASCII characters (keep only printable ASCII 0x20-0x7E)
      .replace(/[^\x20-\x7E]/g, '')
      // Remove characters that are problematic in HTTP headers
      .replace(/["\\]/g, '')
      // Replace multiple spaces with single space
      .replace(/\s+/g, ' ')
      // Trim whitespace
      .trim() ||
    // Provide fallback if completely sanitized
    'file'
  )
}

/**
 * Sanitize metadata values for storage providers