laravel-sessions-middleware
Configure Redis session drivers, register security-header middleware, and prevent session fixation in Laravel. Use when switching session drivers, adding HSTS/CSP headers via middleware, or regenerating sessions after login.
What this skill does
# Laravel Sessions & Middleware
## **Priority: P1 (HIGH)**
## Workflow: Secure Sessions & Add Middleware
1. **Set Redis driver** — `SESSION_DRIVER=redis` in `.env`; install `predis/predis`.
2. **Regenerate on login** — Call `$request->session()->regenerate()` after authentication.
3. **Create security middleware** — Add HSTS, CSP, X-Frame-Options headers.
4. **Register globally** — Use `withMiddleware(fn($m) => $m->append(...))` in `bootstrap/app.php`.
## Security Headers Middleware Example
See [implementation examples](references/implementation.md#security-headers-middleware) for security headers middleware and directory structure.
## Implementation Guidelines
### Session Architecture
- **Drivers**: Set **`SESSION_DRIVER=redis`** in `.env` for production/scaled environments.
- **Dependencies**: Install **`predis/predis`** and **avoid file driver** due to I/O lock issues at scale.
- **Security**: Call **`$request->session()->regenerate()`** after successful authentication to prevent **session fixation**. Call **`$request->session()->invalidate()`** on logout.
- **Access**: **Never access `env('SESSION_DRIVER')`** directly in code; always use **`config('session.driver')`**. Clear caches via **`php artisan config:clear`**.
### Middleware Pipeline
- **Custom Middleware**: Use **`php artisan make:middleware EnsureTokenIsValid`**. Implement **`handle(Request $request, Closure $next): Response`**.
- **Registration**: Register new middleware in **`bootstrap/app.php`** using **`withMiddleware()`**.
- **Security Headers**: Standardize **HSTS, CSP, X-Frame-Options, and X-Content-Type-Options** in dedicated security middleware. Register as **global** middleware.
- **Priority**: Use **`withMiddleware(fn($m) => $m->append(MyMiddleware::class))`** or **`prepend()`** for highest priority.
- **Performance**: **Avoid heavy computation** in global middleware; delegate these to domain services.
## Anti-Patterns
- **No file session driver in production**: Use Redis or Memcached instead.
- **No `env()` for session config**: Use `config('session.*')` instead.
- **No heavy logic in Middleware**: Delegate complex logic to Services.
- **No sensitive data in cookies**: Store securely in server sessions only.
## References
- [Advanced Middleware Patterns](references/implementation.md)Related in Backend & APIs
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