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);
}
}
}
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);
}
}
