Role-Based Access Control (RBAC)
Model user roles and permissions, store them in the session, and enforce role checks across server components, route handlers, and middleware in a Next.js 15 app.
Authorization Beyond Login
Authentication answers who are you; authorization answers what may you do. Role-Based Access Control (RBAC) assigns each user one or more roles and grants permissions to roles instead of individuals.
- Roles:
admin,editor,viewer - Permissions are derived from the role.
Storing the Role in the JWT
With NextAuth, attach the role to the token in the jwt callback so it travels with every request without a database hit.
callbacks: {
async jwt({ token, user }) {
if (user) token.role = user.role;
return token;
},
async session({ session, token }) {
session.user.role = token.role;
return session;
},
}All lessons in this course
- Integrating NextAuth.js
- Session Management and JWTs
- Middleware and Access Control
- Role-Based Access Control (RBAC)