public void AddChatMessage(string message, ChatMessageType type, string senderName = "", Client senderClient = null, Character senderCharacter = null, PlayerConnectionChangeType changeType = PlayerConnectionChangeType.None)
{
AddChatMessage(ChatMessage.Create(senderName, message, type, senderCharacter, senderClient, changeType: changeType));
}
public void AddChatMessage(string message, ChatMessageType type, string senderName = "", Character senderCharacter = null)
{
AddChatMessage(ChatMessage.Create(senderName, message, type, senderCharacter));
}
public static void ServerRead(NetIncomingMessage msg, Client c)
{
UInt16 ID = msg.ReadUInt16();
string txt = msg.ReadString();
if (txt == null)
{
txt = "";
}
if (!NetIdUtils.IdMoreRecent(ID, c.lastSentChatMsgID))
{
return;
}
c.lastSentChatMsgID = ID;
if (txt.Length > MaxLength)
{
txt = txt.Substring(0, MaxLength);
}
c.lastSentChatMessages.Add(txt);
if (c.lastSentChatMessages.Count > 10)
{
c.lastSentChatMessages.RemoveRange(0, c.lastSentChatMessages.Count - 10);
}
float similarity = 0.0f;
for (int i = 0; i < c.lastSentChatMessages.Count; i++)
{
float closeFactor = 1.0f / (c.lastSentChatMessages.Count - i);
int levenshteinDist = ToolBox.LevenshteinDistance(txt, c.lastSentChatMessages[i]);
similarity += Math.Max((txt.Length - levenshteinDist) / (float)txt.Length * closeFactor, 0.0f);
}
if (similarity + c.ChatSpamSpeed > 5.0f)
{
c.ChatSpamCount++;
if (c.ChatSpamCount > 3)
{
//kick for spamming too much
GameMain.Server.KickClient(c, "You have been kicked by the spam filter.");
}
else
{
ChatMessage denyMsg = ChatMessage.Create("", "You have been blocked by the spam filter. Try again after 10 seconds.", ChatMessageType.Server, null);
c.ChatSpamTimer = 10.0f;
GameMain.Server.SendChatMessage(denyMsg, c);
}
return;
}
c.ChatSpamSpeed += similarity + 0.5f;
if (c.ChatSpamTimer > 0.0f)
{
ChatMessage denyMsg = ChatMessage.Create("", "You have been blocked by the spam filter. Try again after 10 seconds.", ChatMessageType.Server, null);
c.ChatSpamTimer = 10.0f;
GameMain.Server.SendChatMessage(denyMsg, c);
return;
}
GameMain.Server.SendChatMessage(txt, null, c);
}