public static Room DecodeHashlink(String hashlink)
{
Room room = new Room();
hashlink = hashlink.Trim();
if (hashlink.StartsWith("arlnk://"))
{
hashlink = hashlink.Substring(8);
}
try
{
if (hashlink.ToUpper().StartsWith("CHATROOM:")) // not encrypted
{
hashlink = hashlink.Substring(9);
int split = hashlink.IndexOf(":");
room.IP = IPAddress.Parse(hashlink.Substring(0, split));
hashlink = hashlink.Substring(split + 1);
split = hashlink.IndexOf("|");
room.Port = ushort.Parse(hashlink.Substring(0, split));
room.Name = hashlink.Substring(split + 1);
return(room);
}
else // encrypted
{
byte[] buf = Convert.FromBase64String(hashlink);
buf = d67(buf, 28435);
buf = Zip.Decompress(buf);
TCPPacketReader packet = new TCPPacketReader(buf);
packet.SkipBytes(32);
room.IP = packet;
room.Port = packet;
packet.SkipBytes(4);
room.Name = packet.ReadString();
return(room);
}
}
catch // badly formed hashlink
{
return(null);
}
}
public static void AddShare(AresClient client, TCPPacketReader packet)
{
if (client.SharedFiles.Count > 12000)
{
throw new Exception("addshare max limit exceeded");
}
SharedFile file = new SharedFile();
file.Mime = (MimeType)(byte)packet;
file.Size = packet;
ushort len = packet;
packet.SkipBytes(len);
file.Data = packet;
if (PopulateMetaData(file))
{
client.SharedFiles.Add(file);
Events.FileReceived(client, file);
}
}
private static bool PopulateMetaData(SharedFile file)
{
TCPPacketReader packet = new TCPPacketReader(file.Data);
packet.SkipBytes(16);
if (file.Mime == MimeType.ARES_MIME_MP3)
{
packet.SkipBytes(4);
}
else if (file.Mime == MimeType.ARES_MIME_VIDEO)
{
packet.SkipBytes(6);
}
else if (file.Mime == MimeType.ARES_MIME_IMAGE)
{
packet.SkipBytes(5);
}
ushort len = packet;
ushort counter = 0;
file.FileName = String.Empty;
file.Title = String.Empty;
while (packet.Remaining >= 2)
{
byte length = packet;
byte type = packet;
if (length > packet.Remaining)
{
return(false);
}
switch (type)
{
case 1:
file.Title = Encoding.UTF8.GetString(packet.ReadBytes(length));
break;
case 15:
file.FileName = Encoding.UTF8.GetString(packet.ReadBytes(length));
break;
default:
packet.SkipBytes(length);
break;
}
counter += 2;
counter += length;
if (counter >= len)
{
break;
}
}
return(true);
}
private static void Login(AresClient client, TCPPacketReader packet, ulong time, bool relogin)
{
if (client.LoggedIn)
{
return;
}
client.FastPing = relogin;
client.Guid = packet;
client.FileCount = packet;
ushort org_files = client.FileCount;
byte crypto = packet;
client.DataPort = packet;
client.NodeIP = packet;
client.NodePort = packet;
packet.SkipBytes(4);
client.OrgName = packet.ReadString(client);
Helpers.FormatUsername(client);
client.Name = client.OrgName;
client.Version = packet.ReadString(client);
client.Ares = client.Version.StartsWith("Ares 2.") || client.Version.StartsWith("Ares_2.");
client.IsCbot = client.Version.StartsWith("cb0t ");
client.CustomClient = true; // everyone can be custom client
client.LocalIP = packet;
packet.SkipBytes(4);
client.Browsable = ((byte)packet) > 2 && Settings.Get <bool>("files");
client.CurrentUploads = packet;
client.MaxUploads = packet;
client.CurrentQueued = packet;
client.Age = packet;
client.Sex = packet;
client.Country = packet;
client.Region = packet.ReadString(client);
if (client.Region.Length > 30)
{
client.Region = client.Region.Substring(0, 30);
}
client.FileCount = client.Browsable && client.Version.StartsWith("Ares") ? client.FileCount : (ushort)0;
if (client.FileCount == 0)
{
client.Browsable = false;
}
// new proto data
if (packet.Remaining > 0)
{
byte vc = packet;
client.VoiceChatPublic = ((vc & 1) == 1);
client.VoiceChatPrivate = ((vc & 2) == 2);
client.VoiceOpusChatPublic = ((vc & 4) == 4);
client.VoiceOpusChatPrivate = ((vc & 8) == 8);
client.SupportsHTML = ((vc & 16) == 16);
if (client.VoiceOpusChatPublic)
{
client.VoiceChatPublic = true;
}
if (client.VoiceOpusChatPrivate)
{
client.VoiceChatPrivate = true;
}
}
// maybe add encryption in next cbot?
client.Encryption.Mode = crypto == 250 ? EncryptionMode.Encrypted : EncryptionMode.Unencrypted;
IPAddress p_check = new IPAddress(client.ExternalIP.GetAddressBytes());
client.OriginalIP = p_check;
if (client.Version.StartsWith("cb0t"))
{
ObSalt.GetSalt(client); // client doesn't support file sharing, so protect their external ip from idiots!
}
client.Captcha = !Settings.Get <bool>("captcha");
if (!client.Captcha)
{
client.Captcha = CaptchaManager.HasCaptcha(client);
}
if (client.Encryption.Mode == EncryptionMode.Encrypted)
{
client.Encryption.Key = Crypto.CreateKey;
client.Encryption.IV = Crypto.CreateIV;
client.SendPacket(TCPOutbound.CryptoKey(client));
}
// Use Original IP here
// Fixes issue #30 https://github.com/AresChat/sb0t/issues/30
if ((UserPool.AUsers.FindAll(x => x.OriginalIP.Equals(client.OriginalIP)).Count +
UserPool.WUsers.FindAll(x => x.OriginalIP.Equals(client.OriginalIP)).Count) > 5)
{
Events.Rejected(client, RejectedMsg.TooManyClients);
throw new Exception("too many clients from this ip");
}
if (UserHistory.IsJoinFlooding(client, time))
{
Events.Rejected(client, RejectedMsg.TooSoon);
throw new Exception("joined too quickly");
}
IClient hijack = UserPool.AUsers.Find(x => (x.Name == client.Name ||
x.OrgName == client.OrgName) && x.ID != client.ID && x.LoggedIn);
if (hijack == null)
{
hijack = UserPool.WUsers.Find(x => (x.Name == client.Name ||
x.OrgName == client.OrgName) && x.ID != client.ID && x.LoggedIn);
}
if (hijack != null)
{
if (hijack.OriginalIP.Equals(client.OriginalIP)) // Possible issue with using masked ip lets use orginal instead
{
if (!hijack.WebClient)
{
((AresClient)hijack).Disconnect(true);
}
else
{
((ib0t.ib0tClient)hijack).Disconnect();
}
client.Name = client.OrgName;
client.FastPing = true;
}
else
{
Events.Rejected(client, RejectedMsg.NameInUse);
throw new Exception("name in use");
}
}
UserHistory.AddUser(client, time);
if (BanSystem.IsBanned(client))
{
if (!Helpers.IsLocalHost(client))
{
if (hijack != null && hijack is AresClient)
{
((AresClient)hijack).SendDepart();
}
Events.Rejected(client, RejectedMsg.Banned);
throw new Exception("banned user");
}
}
if (client.LocalIP.ToString() == "6.6.6.6" ||
client.LocalIP.ToString() == "7.8.7.8" ||
org_files == 6969)
{
if (hijack != null && hijack is AresClient)
{
((AresClient)hijack).SendDepart();
}
Events.Rejected(client, RejectedMsg.Banned);
throw new Exception("spam bot");
}
if (Settings.Get <bool>("age_restrict"))
{
if (client.Age > 0)
{
if ((byte)Settings.Get <int>("age_restrict_value") > client.Age)
{
if (hijack != null && hijack is AresClient)
{
((AresClient)hijack).SendDepart();
}
Events.Rejected(client, RejectedMsg.UnderAge);
throw new Exception("under aged user");
}
}
}
if (Helpers.IsUnacceptableGender(client))
{
if (hijack != null && hijack is AresClient)
{
((AresClient)hijack).SendDepart();
}
Events.Rejected(client, RejectedMsg.UnacceptableGender);
throw new Exception("unacceptable gender");
}
if (Proxies.Check(p_check, client.DNS))
{
if (!Helpers.IsLocalHost(client))
{
if (Events.ProxyDetected(client))
{
if (hijack != null && hijack is AresClient)
{
((AresClient)hijack).SendDepart();
}
Events.Rejected(client, RejectedMsg.Proxy);
throw new Exception("proxy detected");
}
}
}
client.Quarantined = !client.Captcha && Settings.Get <int>("captcha_mode") == 1;
if (!Events.Joining(client))
{
if (!Helpers.IsLocalHost(client))
{
if (hijack != null && hijack is AresClient)
{
((AresClient)hijack).SendDepart();
}
Events.Rejected(client, RejectedMsg.UserDefined);
throw new Exception("user defined rejection");
}
}
IgnoreManager.LoadIgnores(client);
if (Helpers.IsLocalHost(client))
{
client.Captcha = true;
client.Quarantined = false;
client.Registered = true;
client.Owner = true;
}
if (hijack != null)
{
if (hijack.Cloaked)
{
hijack = null;
}
}
if (!client.Quarantined)
{
if (hijack == null || !(hijack is AresClient))
{
LinkLeaf.LinkUser other = null;
if (ServerCore.Linker.Busy)
{
foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
{
other = leaf.Users.Find(x => x.Vroom == client.Vroom && x.Name == client.Name && x.Link.Visible);
if (other != null)
{
other.LinkCredentials.Visible = false;
break;
}
}
}
UserPool.AUsers.ForEachWhere(x => x.SendPacket(other == null ? TCPOutbound.Join(x, client) : TCPOutbound.UpdateUserStatus(x, client)),
x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);
UserPool.WUsers.ForEachWhere(x => x.QueuePacket(other == null ? ib0t.WebOutbound.JoinTo(x, client.Name, client.Level) : ib0t.WebOutbound.UpdateTo(x, client.Name, client.Level)),
x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);
}
client.LoggedIn = true;
client.SendPacket(TCPOutbound.Ack(client));
client.SendPacket(TCPOutbound.MyFeatures(client));
client.SendPacket(TCPOutbound.FavIcon());
client.SendPacket(TCPOutbound.TopicFirst(client, Settings.Topic));
client.SendPacket(TCPOutbound.UserlistBot(client));
UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);
UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);
if (ServerCore.Linker.Busy)
{
foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
{
leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
x => x.Vroom == client.Vroom && x.Link.Visible && !x.Cloaked);
}
}
client.SendPacket(TCPOutbound.UserListEnd());
client.SendPacket(TCPOutbound.OpChange(client));
client.SendPacket(TCPOutbound.SupportsVoiceClips());
client.SendPacket(TCPOutbound.Url(client, Settings.Get <String>("link", "url"), Settings.Get <String>("text", "url")));
client.SendPacket(TCPOutbound.PersonalMessageBot(client));
client.SendPacket(Avatars.Server(client));
if (client.CustomClient)
{
UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.VoiceChatUserSupport(client, x)),
x => (x.VoiceChatPrivate || x.VoiceChatPublic) && !x.Quarantined && !x.Cloaked);
}
UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
x => x.LoggedIn && x.Vroom == client.Vroom && x.Avatar.Length > 0 && !x.Quarantined && !x.Cloaked);
UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);
if (ServerCore.Linker.Busy)
{
foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
{
leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
x => x.Vroom == client.Vroom && x.Link.Visible && x.Avatar.Length > 0 && !x.Cloaked);
}
}
UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
x => x.LoggedIn && x.Vroom == client.Vroom && x.PersonalMessage.Length > 0 && !x.Quarantined && !x.Cloaked);
UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);
if (ServerCore.Linker.Busy)
{
foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
{
leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
x => x.Vroom == client.Vroom && x.Link.Visible && x.PersonalMessage.Length > 0 && !x.Cloaked);
}
}
FloodControl.Remove(client);
if (client.SocketConnected)
{
IdleManager.Set(client);
}
if (ServerCore.Linker.Busy && ServerCore.Linker.LoginPhase == LinkLeaf.LinkLogin.Ready)
{
ServerCore.Linker.SendPacket(LinkLeaf.LeafOutbound.LeafJoin(ServerCore.Linker, client));
}
Events.Joined(client);
if (client.Owner)
{
client.Level = ILevel.Host;
}
if (client.IsCbot)
{
UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.CustomFont(client, x)),
x => x.LoggedIn && x.Vroom == client.Vroom && x.Font.Enabled && !x.Cloaked);
}
}
else
{
if (hijack != null && hijack is AresClient)
{
((AresClient)hijack).SendDepart();
}
client.LoggedIn = true;
client.SendPacket(TCPOutbound.Ack(client));
client.SendPacket(TCPOutbound.MyFeatures(client));
client.SendPacket(TCPOutbound.FavIcon());
client.SendPacket(TCPOutbound.TopicFirst(client, Settings.Topic));
client.SendPacket(TCPOutbound.UserlistBot(client));
client.SendPacket(TCPOutbound.UserListEnd());
client.SendPacket(TCPOutbound.PersonalMessageBot(client));
client.SendPacket(Avatars.Server(client));
CaptchaItem cap = Captcha.Create();
client.CaptchaWord = cap.Word;
Events.CaptchaSending(client);
client.SendPacket(TCPOutbound.NoSuch(client, String.Empty));
foreach (String str in cap.Lines)
{
client.SendPacket(TCPOutbound.NoSuch(client, str));
}
client.SendPacket(TCPOutbound.NoSuch(client, String.Empty));
FloodControl.Remove(client);
}
}
