Difficulty Implementing Role-Based Access Control (RBAC) with Auth0

[marcelina.barycka]

Hey there @joeroot.pk80 , thanks for posting!

@joeroot.pk80

I’m unsure about the best approach to map roles defined in Auth0 to roles within my application. Should I use custom claims, rules, or some other method?

1 step: Please toggle the RBAC button in the API settings where you want to build the role-based access.

2nd step: In your frontend, when specifying the authorize request, please add the audience parameter (which takes the value of this API identifier from your Auth0 dashboard). This way you receive the jwt-format (instead of an opaque token) access token with the relevant for the user roles’ permissions.

@joeroot.pk80

Should I decode and verify JWT tokens on the client-side or implement a server-side solution?

Access token verification happens on the server side. Feel free to use our quickstarts to try it out.

@joeroot.pk80

Fine-Grained Authorization: How can I implement fine-grained access control based on both roles and permissions assigned to users?

FGA is on a separate platform (not the auth0 dashboard). There are docs on this feature, like this one: https://docs.fga.dev/
We also created a separate category for the FGA in this community. Please feel free to search more there or ask specific questions! (FGA’s has been only recently generally available.)

Hope this gives you a good starting point. Have a good weekend!