public PermissionBasedPrincipal(IIdentity identity, UserInfo userInfo)
{
if (identity == null)
throw new ArgumentNullException("identity");
if (userInfo == null)
throw new ArgumentNullException("userInfo");
Identity = identity;
UserInfo = userInfo;
}
/// <summary>
/// Get cached principal. Create new one and insert to cache if not existed
/// </summary>
public static PermissionBasedPrincipal GetPrincipal(string username)
{
// TODO: consider allowing to call this method for current user only!
string key = GetPrincipalKey(username);
// Get cached principal
object data = Cacher.GetData(key);
if (data == null) // If not existed create new one and insert to cache
{
lock (_lockObject) // Double-checked locking
{
data = Cacher.GetData(key);
if (data == null)
{
ISecurityRepository repository = IoC.UnityContainer.Resolve<ISecurityRepository>();
Feedback<User> feedback = repository.GetBasicUserInfo(username);
if (feedback.Success)
{
IList<string> roles = new List<string>();
foreach (var userInRole in feedback.Data.UserRoles)
{
var role = ReferenceDataCache.RoleCollection.FirstOrDefault(i => i.Id == userInRole.RoleId);
if (role != null)
roles.Add(role.Name);
}
UserInfo info = new UserInfo
{
Id = feedback.Data.Id,
Email = feedback.Data.Email,
Username = username,
AvatarUrl = feedback.Data.AvatarUrl,
Point = feedback.Data.Point,
Roles = roles
};
data = new PermissionBasedPrincipal(new PermissionBasedIdentity(username), info);
Cacher.AddToCache(key, data, CacheItemPriority.High,
CacheHelper.GetAbsoluteExpirationFromConfig(Constants.ConfigKeys.Caching.PrincipalCacheMinutes));
}
else
{
return null;
}
}
}
}
return (PermissionBasedPrincipal)data;
}
