Altitude/AlttdGriefPrevention
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Fix for human-controlled bot spam.

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Mutes/bans bots used by a human player to send lots of identical
messages using different accounts while varying the message and limiting
message speed to work around anti-spam measures.
This commit is contained in:
ryanhamshire 2014-09-29 15:36:51 -07:00
parent 59f394ab11
commit cd85562e40
2 changed files with 20 additions and 1 deletions
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2
src/me/ryanhamshire/GriefPrevention/FlatFileDataStore.java
View File

@ -211,7 +211,7 @@ public class FlatFileDataStore extends DataStore
}
catch(Exception ex)
{
GriefPrevention.AddLogEntry("Failed to look up UUID for player " + ownerName + ".");
GriefPrevention.AddLogEntry("Error - this is not a valid UUID: " + ownerName + ".");
GriefPrevention.AddLogEntry(" Converted land claim to administrative @ " + lesserBoundaryCorner.toString());
}
}

19
src/me/ryanhamshire/GriefPrevention/PlayerEventHandler.java
View File

@ -93,6 +93,12 @@ class PlayerEventHandler implements Listener
event.setCancelled(this.handlePlayerChat(player, message, event));
}
//last chat message shown, regardless of who sent it
private String lastChatMessage = "";
//number of identical messages in a row
private int duplicateMessageCount = 0;
//returns true if the message should be sent, false if it should be muted
private boolean handlePlayerChat(Player player, String message, PlayerEvent event)
{
@ -144,6 +150,19 @@ class PlayerEventHandler implements Listener
}
}
//always mute an exact match to the last chat message
if(message.equals(this.lastChatMessage))
{
playerData.spamCount += ++this.duplicateMessageCount;
spam = true;
muted = true;
}
else
{
this.lastChatMessage = message;
this.duplicateMessageCount = 0;
}
//where other types of spam are concerned, casing isn't significant
message = message.toLowerCase();