Cloudflare Workers - Authentication & Security

When to use this skill

When implementing secure user authentication systems for Cloudflare Workers APIs, including session management, challenge-response flows, and security middleware.

Session-Based Authentication with KV

Session Data Structure

// src/lib/server/auth/session.ts
export interface SessionData {
  userId: number;
  createdAt: string;
  expiresAt: string;
  deviceFingerprint?: string;
  lastActivity?: string;
}