vlad.os/LuaCsForBarotraumaEP
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Unstable 1.2.1.0

Browse Source
This commit is contained in:
Markus Isberg
2023-11-10 17:45:19 +02:00
parent 2ea58c58a7
commit 8a2e2ea0ae
268 changed files with 4076 additions and 1843 deletions
Download Patch File Download Diff File Expand all files Collapse all files

115
Barotrauma/BarotraumaServer/ServerSource/Networking/ChatMessage.cs
View File

@@ -80,58 +80,10 @@ namespace Barotrauma.Networking
{
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);
if (string.IsNullOrEmpty(txt))
{
similarity += closeFactor;
}
else
{
int levenshteinDist = ToolBox.LevenshteinDistance(txt, c.LastSentChatMessages[i]);
similarity += Math.Max((txt.Length - levenshteinDist) / (float)txt.Length * closeFactor, 0.0f);
}
}
//order/report messages can be sent a little faster than normal messages without triggering the spam filter
if (orderMsg != null)
{
similarity *= 0.25f;
}
bool isSpamExempt = RateLimiter.IsExempt(c);
if (similarity + c.ChatSpamSpeed > 5.0f && !isSpamExempt)
{
GameMain.Server.KarmaManager.OnSpamFilterTriggered(c);
c.ChatSpamCount++;
if (c.ChatSpamCount > 3)
{
//kick for spamming too much
GameMain.Server.KickClient(c, TextManager.Get("SpamFilterKicked").Value);
}
else
{
ChatMessage denyMsg = Create("", TextManager.Get("SpamFilterBlocked").Value, ChatMessageType.Server, null);
c.ChatSpamTimer = 10.0f;
GameMain.Server.SendDirectChatMessage(denyMsg, c);
}
return;
}
c.ChatSpamSpeed += similarity + 0.5f;
if (c.ChatSpamTimer > 0.0f && !isSpamExempt)
{
ChatMessage denyMsg = Create("", TextManager.Get("SpamFilterBlocked").Value, ChatMessageType.Server, null);
c.ChatSpamTimer = 10.0f;
GameMain.Server.SendDirectChatMessage(denyMsg, c);
return;
}
//order/report messages can be sent a little faster than normal messages without triggering the spam filter;
float similarityMultiplier = orderMsg != null ? 0.25f : 1.0f;
HandleSpamFilter(c, txt, out bool flaggedAsSpam, similarityMultiplier);
if (flaggedAsSpam) { return; }
if (type == ChatMessageType.Order)
{
@@ -177,6 +129,65 @@ namespace Barotrauma.Networking
}
}
/// <summary>
/// Increase the client's chat spam speed and check whether the spam filter should kick in
/// </summary>
public static void HandleSpamFilter(Client c, string messageText, out bool flaggedAsSpam, float similarityMultiplier = 1.0f)
{
float similarity = 0.0f;
for (int i = 0; i < c.LastSentChatMessages.Count; i++)
{
float closeFactor = 1.0f / (c.LastSentChatMessages.Count - i);
if (string.IsNullOrEmpty(messageText))
{
similarity += closeFactor;
}
else
{
int levenshteinDist = ToolBox.LevenshteinDistance(messageText, c.LastSentChatMessages[i]);
similarity += Math.Max((messageText.Length - levenshteinDist) / (float)messageText.Length * closeFactor, 0.0f);
}
}
similarity *= similarityMultiplier;
bool isSpamExempt = RateLimiter.IsExempt(c);
if (similarity + c.ChatSpamSpeed > 5.0f && !isSpamExempt)
{
GameMain.Server.KarmaManager.OnSpamFilterTriggered(c);
c.ChatSpamCount++;
if (c.ChatSpamCount > 3)
{
//kick for spamming too much
GameMain.Server.KickClient(c, TextManager.Get("SpamFilterKicked").Value);
}
else
{
ChatMessage denyMsg = Create("", TextManager.Get("SpamFilterBlocked").Value, ChatMessageType.Server, null);
c.ChatSpamTimer = 10.0f;
GameMain.Server.SendDirectChatMessage(denyMsg, c);
}
flaggedAsSpam = true;
return;
}
c.ChatSpamSpeed += similarity + 0.5f;
if (c.ChatSpamTimer > 0.0f && !isSpamExempt)
{
ChatMessage denyMsg = Create("", TextManager.Get("SpamFilterBlocked").Value, ChatMessageType.Server, null);
c.ChatSpamTimer = 10.0f;
GameMain.Server.SendDirectChatMessage(denyMsg, c);
flaggedAsSpam = true;
return;
}
flaggedAsSpam = false;
}
public int EstimateLengthBytesServer(Client c)
{
int length = 1 + //(byte)ServerNetObject.CHAT_MESSAGE