Documentation: utils / csrfToken
Purpose:
Provides CSRF protection using cookie tokens.
Lifecycle Role:
Before routes rendering or processing forms.
Dependencies:
Upstream:
- csurf
- cookie-parser
Downstream:
- form routes
Data Flow:
Inputs:
Cookies, form requests.
Outputs:
CSRF token in res.locals and cookies.
Side Effects:
Token set in cookies.
Performance and Scalability:
Bottlenecks:
- Cookie parsing overhead
Concurrency:
None
Security and Stability:
Validation:
Token validated on submission.
Vulnerabilities:
- Token exposure
Architecture Assessment:
Coupling:
Standard middleware.
Abstraction:
CSRF protection layer.
Recommendations:
- Use secure cookie flags
- Automate token injection in templates