Function sanitizeChallengeId

4.Stackless Stack/server/routes.ts:69–75

(id: string)

}

function sanitizeChallengeId(id: string): string | null {
  const sanitized = id.replace(/[^a-zA-Z0-9-_]/g, '');
  if (sanitized.length === 0 || sanitized.length > 100) {
    return null;
  }
  return sanitized;
}

export async function registerRoutes(app: Express): Promise<Server> {
  app.use(validateInput);