/// <summary>
/// Разблокировать IPv4/6
/// </summary>
/// <param name="IP">IPv4/6</param>
/// <param name="target">Цель</param>
/// <param name="BlockedHost">Заблокированный домен</param>
public static void RemoveIPv4Or6(string IP, TypeBlockIP target, string BlockedHost)
{
if (target == TypeBlockIP.domain)
{
memoryCache.Remove(KeyToMemoryCache.IPtables(IP, BlockedHost));
Trigger.OnRemoveIPv4Or6((IP, BlockedHost));
}
else if (target != TypeBlockIP.UserAgent)
{
if (IPNetwork.CheckingSupportToIPv4Or6(IP, out var ipnetwork))
{
// IPv6
if (IP.Contains(":"))
{
string ipRegex = IPNetwork.IPv6ToRegex(ipnetwork.FirstUsable);
IPv6ToRegex = Regex.Replace(IPv6ToRegex, $@"^\^\({ipRegex}\|?", "^(");
IPv6ToRegex = Regex.Replace(IPv6ToRegex, $@"\|{ipRegex}", "");
if (IPv6ToRegex == "^()")
{
IPv6ToRegex = "^$";
}
if (IPv6ToModels.TryRemove(ipRegex, out _))
{
Trigger.OnRemoveIPv4Or6((IP, BlockedHost));
}
}
// IPv4
else
{
if (IPNetwork.IPv4ToRange(ipnetwork.FirstUsable, ipnetwork.LastUsable) is var item && item.FirstUsable != 0)
{
IPv4ToRange.RemoveAll(i => i.FirstUsable == item.FirstUsable && i.LastUsable == item.LastUsable);
if (IPv4ToModels.TryRemove(item.FirstUsable, out _))
{
Trigger.OnRemoveIPv4Or6((IP, BlockedHost));
}
}
}
}
}
}
/// <summary>
/// Кеш настроек WhiteList
/// </summary>
public static void UpdateCache()
{
// Оригинальные настройки WhiteList
var conf = Service.Get <JsonDB>().WhiteList;
#region Локальный метод - "JoinMass"
string JoinMass(List <string> mass, bool IsUserAgent = false, bool IsIPv6 = false)
{
if (mass == null || mass.Count == 0)
{
return("^$");
}
if (IsUserAgent || IsIPv6)
{
return($"({string.Join("|", mass)})");
}
return($"^({string.Join("|", mass)})$");
}
#endregion
#region Обновляем список IPv4/6
// Базовый список IPv6
var IPv6ToMass = new List <string>()
{
"::1"
};
// Базовый список IPv4
var IPv4ToMass = new List <CidrToIPv4>();
IPv4ToMass.Add(IPNetwork.IPv4ToRange("127.0.0.1"));
IPv4ToMass.Add(IPNetwork.IPv4ToRange("8.8.4.4"));
IPv4ToMass.Add(IPNetwork.IPv4ToRange("8.8.8.8"));
IPv4ToMass.Add(IPNetwork.IPv4ToRange("192.168.0.1", "192.168.0.254"));
// Пользовательский список IPv4/6
foreach (string IP in conf.Where(i => i.Type == WhiteListType.IPv4Or6).Select(i => i.Value))
{
if (IP.Contains(":"))
{
// IPv6
if (IPNetwork.CheckingSupportToIPv4Or6(IP, out var ipnetwork))
{
IPv6ToMass.Add(IPNetwork.IPv6ToRegex(ipnetwork.FirstUsable));
}
}
else
{
// IPv4
if (IPNetwork.CheckingSupportToIPv4Or6(IP, out var ipnetwork))
{
if (IPNetwork.IPv4ToRange(ipnetwork.FirstUsable, ipnetwork.LastUsable) is var item && item.FirstUsable != 0)
{
IPv4ToMass.Add(item);
}
}
}
}
// Обновляем базу
IPv4ToRange = IPv4ToMass.OrderBy(i => i.FirstUsable).ToList();
IPv6ToRegex = JoinMass(IPv6ToMass, IsIPv6: true);
#endregion
// Базовый список PTR
List <string> PTRs = new List <string>(conf.Where(i => i.Type == WhiteListType.PTR).Select(i => i.Value).ToArray());
PTRs.Add(@".*\.(yandex.(ru|net|com)|googlebot.com|google.com|mail.ru|search.msn.com)");
// Создаем кеш
PtrRegex = JoinMass(PTRs);
UserAgentRegex = JoinMass(conf.Where(i => i.Type == WhiteListType.UserAgent).Select(i => i.Value).ToList(), IsUserAgent: true);
LastUpdateCache = DateTime.Now;
}
/// <summary>
/// Заблокировать IPv4/6
/// </summary>
/// <param name="IP">IPv4/6</param>
/// <param name="target">Цель</param>
/// <param name="data">Время и причина блокировки</param>
public static void AddIPv4Or6(string IP, ModelIPtables data, TypeBlockIP target, string BlockedHost = null)
{
if (target == TypeBlockIP.domain)
{
memoryCache.Set(KeyToMemoryCache.IPtables(IP, BlockedHost), data, data.TimeExpires);
Trigger.OnAddIPv4Or6((IP, BlockedHost, data.Description, data.TimeExpires));
}
else if (target != TypeBlockIP.UserAgent)
{
if (IPNetwork.CheckingSupportToIPv4Or6(IP, out var ipnetwork))
{
// Крон нужно запустить раньше
if (NextTimeClearDbAndCacheToIPv4Or6 > data.TimeExpires)
{
NextTimeClearDbAndCacheToIPv4Or6 = data.TimeExpires;
}
// IPv6
if (IP.Contains(":"))
{
string IPv6 = IPNetwork.IPv6ToRegex(ipnetwork.FirstUsable);
// Время и причина блокировки
IPv6ToModels.AddOrUpdate(IPv6, data, (s, e) => data);
Trigger.OnAddIPv4Or6((IP, BlockedHost, data.Description, data.TimeExpires));
#region Обновляем IPv6ToRegex
if (IPv6ToRegex == "^$")
{
IPv6ToRegex = $"^({IPv6})";
}
else
{
IPv6ToRegex = Regex.Replace(IPv6ToRegex, @"\)$", $"|{IPv6})");
}
#endregion
}
// IPv4
else
{
if (IPNetwork.IPv4ToRange(ipnetwork.FirstUsable, ipnetwork.LastUsable) is var item && item.FirstUsable != 0)
{
#region Находим число которое выше FirstUsable и ставим FirstUsable перед ним
int index = IPv4ToRange.FindIndex(0, IPv4ToRange.Count, i => i.FirstUsable > item.FirstUsable);
if (index == -1)
{
IPv4ToRange.Add(item);
}
else
{
IPv4ToRange.Insert(index, item);
}
#endregion
// Время и причина блокировки
IPv4ToModels.AddOrUpdate(item.FirstUsable, data, (s, e) => data);
Trigger.OnAddIPv4Or6((IP, BlockedHost, data.Description, data.TimeExpires));
}
}
}
}
}