NextAuth.js is a complete authentication solution for Next.js applications. Provides built-in support for multiple providers (OAuth, email, credentials). Handles sessions, JWT, and database integration.
Next.js supports multiple authentication methods: JWT, session-based, OAuth providers, NextAuth.js library. Can implement custom authentication or use third-party solutions. Supports both client and server-side authentication.
Store JWT in HTTP-only cookies or local storage. Implement token verification. Handle token expiration. Support refresh tokens. Manage token lifecycle.
Configure OAuth providers. Handle OAuth flow. Support callback URLs. Implement user profile retrieval. Manage OAuth tokens.
Implement role checking middleware. Define user roles. Handle permission checks. Support role hierarchies. Implement access control.
Implement CSRF tokens. Handle token validation. Support form submissions. Implement security headers. Prevent cross-site request forgery.
Manage user authentication state. Handle state persistence. Support state updates. Implement state management. Handle state synchronization.
Implement security standards. Handle data privacy. Support regulatory compliance. Implement compliance measures. Manage compliance reporting.
Create security test suites. Handle penetration testing. Support vulnerability scanning. Implement security measures.
Store session data on server. Use session cookies for client identification. Handle session expiration. Support session persistence. Implement session management.
Implement authentication middleware. Verify tokens or sessions. Handle unauthorized requests. Support API security. Implement rate limiting.
Use bcrypt or similar libraries. Handle password storage. Support password validation. Implement secure hashing. Manage salt generation.
Configure social providers. Handle OAuth integration. Support user profile mapping. Implement login flow. Manage provider tokens.