Added role based authorization base

src/Controllers/HomeController.cs

@@ -113,6 +113,19 @@ public class HomeController : Controller
             [
                 new(ClaimTypes.Name, username)
             ];
+            HashSet<string> roles = [];
+            foreach (string groupCn in authenticationResult.UserModel?.Description?.Groups ?? [])
+            {
+                GroupModel group = await _ldap.GetGroupByCnAsync(groupCn, _ldap.GroupsAttributes);
+                foreach (GroupPermission permission in group.Permissions)
+                {
+                    roles.Add(permission.ToString());
+                }
+            }
+            foreach (string role in roles)
+            {
+                claims.Add(new(ClaimTypes.Role, role));            
+            }
 
             var claimsIdentity = new ClaimsIdentity(
                 claims,