actix-web-middleware-keycloak-auth

A middleware for Actix Web that handles authentication with a JWT emitted by Keycloak.

Features

Actix Web middleware
deny HTTP requests that do not provide a valid JWT
require one or several Keycloak realm or client roles to be included in the JWT
error HTTP responses sent from the middleware can have generic bodies as well as detailed error reasons
access JWT claims from handlers (for example: get the ID of the authenticated user)
access parsed roles from handlers (every Keycloak role contained in the JWT)
compatible with paperclip using the paperclip_compat feature