Public subject

pkg/auth/jwt.go

@@ -94,8 +94,16 @@ func (a *Auth) AuthMiddleware() func(http.Handler) http.Handler {
 				return
 			}
 
-			if token != nil && jwt.Validate(token, a.jwt.ValidateOptions()...) == nil {
+			ctx := r.Context()
-				ctx := r.Context()
+
+			if token != nil {
+				err := jwt.Validate(token, a.jwt.ValidateOptions()...)
+				if err != nil {
+					err = jwtauth.ErrorReason(err)
+					http.Error(w, err.Error(), http.StatusUnauthorized)
+					return
+				}
+
 				username := token.Subject()
 
 				sub, err := users.FromCtx(ctx).GetUser(ctx, username)
@@ -111,8 +119,9 @@ func (a *Auth) AuthMiddleware() func(http.Handler) http.Handler {
 				return
 			}
 
-			// Token is authenticated, pass it through
+			// Public subject
-			next.ServeHTTP(w, r)
+			ctx = entities.CtxWithSubject(ctx, entities.NewPublicSubject(r))
+			next.ServeHTTP(w, r.WithContext(ctx))
 		}
 		return http.HandlerFunc(hfn)
 	}

pkg/rbac/entities/entities.go

@@ -2,6 +2,7 @@ package entities
 
 import (
 	"context"
+	"net/http"
 
 	"github.com/el-mike/restrict/v2"
 )
@@ -66,6 +67,10 @@ func (s *PublicSubject) GetRoles() []string {
 	return []string{RolePublic}
 }
 
+func NewPublicSubject(r *http.Request) *PublicSubject {
+	return &PublicSubject{RemoteAddr: r.RemoteAddr}
+}
+
 type SystemServiceSubject struct {
 	Name string
 }