Esempio n. 1
0
        public static async Task AssertMultipleResourceAccessAsync <TResourceId>(this IUserAuthorizationLevelLoader <TResourceId> loader, ClaimsPrincipal user, TResourceId[] resourceIds, IUserAuthorizationLevelPolicy policy)
        {
            if (loader == null)
            {
                throw new ArgumentNullException(nameof(loader));
            }
            if (user == null)
            {
                throw new ArgumentNullException(nameof(user));
            }
            if (resourceIds == null)
            {
                throw new ArgumentNullException(nameof(resourceIds));
            }
            if (policy == null)
            {
                throw new ArgumentNullException(nameof(policy));
            }

            if (resourceIds is null)
            {
                return;
            }

            var userId = user.GetUserId();
            var tasks  = resourceIds.ToDictionary(
                resId => resId, resourceId =>
                Task.Run(() => loader.LoadUserAuthorizationLevel(userId, resourceId))
                );

            await Task.WhenAll(tasks.Values);

            foreach (var task in tasks)
            {
                var userLevel = task.Value?.Result?.Level;

                if (userLevel != null && policy.IsSatisfied(userLevel))
                {
                    return;
                }
                else if (user.HasClaim(Claims.IsAdministrator, true.ToString())) // TODO: :(
                {
                    return;                                                      // TODO: log elevation of privileges
                }
                else
                {
                    throw new ResourceAuthorizationFailedException(loader.ResourceName, policy.RequiredLevel, task.Key);
                }
            }
        }
Esempio n. 2
0
        public static async Task AssertResourceAccessAsync <TResourceId>(this IUserAuthorizationLevelLoader <TResourceId> loader, ClaimsPrincipal user, TResourceId resourceId, IUserAuthorizationLevelPolicy policy)
        {
            if (loader == null)
            {
                throw new ArgumentNullException(nameof(loader));
            }
            if (user == null)
            {
                throw new ArgumentNullException(nameof(user));
            }
            if (resourceId == null)
            {
                throw new ArgumentNullException(nameof(resourceId));
            }
            if (policy == null)
            {
                throw new ArgumentNullException(nameof(policy));
            }

            var userId          = user.GetUserId();
            var userLevelResult = await loader.LoadUserAuthorizationLevel(userId, resourceId);

            var userLevel = userLevelResult?.Level;

            if (userLevelResult != null && policy.IsSatisfied(userLevel))
            {
                return;
            }
            else if (user.HasClaim(Claims.IsAdministrator, true.ToString()))
            {
                return; // TODO: log elevation of privileges
            }
            else
            {
                throw new ResourceAuthorizationFailedException(loader.ResourceName, policy.RequiredLevel, resourceId);
            }
        }