Added profanity/troll filter.

src/me/ryanhamshire/GriefPrevention/DataStore.java

@@ -19,6 +19,7 @@
 package me.ryanhamshire.GriefPrevention;
 
 import java.io.*;
+import java.nio.charset.Charset;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.regex.Pattern;
@@ -61,6 +62,7 @@ public abstract class DataStore
     final static String configFilePath = dataLayerFolderPath + File.separator + "config.yml";
 	final static String messagesFilePath = dataLayerFolderPath + File.separator + "messages.yml";
 	final static String softMuteFilePath = dataLayerFolderPath + File.separator + "softMute.txt";
+	final static String bannedWordsFilePath = dataLayerFolderPath + File.separator + "bannedWords.txt";
 
     //the latest version of the data schema implemented here
 	protected static final int latestSchemaVersion = 2;
@@ -211,6 +213,31 @@ public abstract class DataStore
         }        
     }
 	
+	List<String> loadBannedWords()
+    {
+        try
+        {
+    	    File bannedWordsFile = new File(bannedWordsFilePath);
+            if(!bannedWordsFile.exists())
+            {
+                Files.touch(bannedWordsFile);
+                String defaultWords = 
+                    "nigger\nniggers\nniger\nnigga\nnigers\nniggas\n" + 
+                    "fag\nfags\nfaggot\nfaggots\nfeggit\nfeggits\nfaggit\nfaggits\n" +
+                    "cunt\ncunts\nwhore\nwhores\nslut\nsluts\n";
+                Files.append(defaultWords, bannedWordsFile, Charset.forName("UTF-8"));
+            }
+            
+            return Files.readLines(bannedWordsFile, Charset.forName("UTF-8"));
+        }
+        catch(Exception e)
+        {
+            GriefPrevention.AddLogEntry("Failed to read from the banned words data file: " + e.toString());
+            e.printStackTrace();
+            return new ArrayList<String>();
+        }
+    }
+	
 	//updates soft mute map and data file
 	boolean toggleSoftMute(UUID playerID)
 	{
@@ -1338,6 +1365,7 @@ public abstract class DataStore
 		this.addDefault(defaults, Messages.BookTools, "Our claim tools are {0} and {1}.", "0: claim modification tool name; 1:claim information tool name");
 		this.addDefault(defaults, Messages.BookDisabledChestClaims, "  On this server, placing a chest will NOT claim land for you.", null);
 		this.addDefault(defaults, Messages.BookUsefulCommands, "Useful Commands:", null);
+		this.addDefault(defaults, Messages.NoProfanity, "Please moderate your language.", null);
 		
 		//load the config file
 		FileConfiguration config = YamlConfiguration.loadConfiguration(new File(messagesFilePath));

src/me/ryanhamshire/GriefPrevention/Messages.java

@@ -20,5 +20,5 @@ package me.ryanhamshire.GriefPrevention;
 
 public enum Messages
 {
-	RespectingClaims, IgnoringClaims, SuccessfulAbandon, RestoreNatureActivate, RestoreNatureAggressiveActivate, FillModeActive, TransferClaimPermission, TransferClaimMissing, TransferClaimAdminOnly, PlayerNotFound2, TransferTopLevel, TransferSuccess, TrustListNoClaim, ClearPermsOwnerOnly, UntrustIndividualAllClaims, UntrustEveryoneAllClaims, NoPermissionTrust, ClearPermissionsOneClaim, UntrustIndividualSingleClaim, OnlySellBlocks, BlockPurchaseCost, ClaimBlockLimit, InsufficientFunds, PurchaseConfirmation, OnlyPurchaseBlocks, BlockSaleValue, NotEnoughBlocksForSale, BlockSaleConfirmation, AdminClaimsMode, BasicClaimsMode, SubdivisionMode, SubdivisionVideo2, DeleteClaimMissing, DeletionSubdivisionWarning, DeleteSuccess, CantDeleteAdminClaim, DeleteAllSuccess, NoDeletePermission, AllAdminDeleted, AdjustBlocksSuccess, NotTrappedHere, RescuePending, NonSiegeWorld, AlreadySieging, NotSiegableThere, SiegeTooFarAway, NoSiegeDefenseless, AlreadyUnderSiegePlayer, AlreadyUnderSiegeArea, NoSiegeAdminClaim, SiegeOnCooldown, SiegeAlert, SiegeConfirmed, AbandonClaimMissing, NotYourClaim, DeleteTopLevelClaim, AbandonSuccess, CantGrantThatPermission, GrantPermissionNoClaim, GrantPermissionConfirmation, ManageUniversalPermissionsInstruction, ManageOneClaimPermissionsInstruction, CollectivePublic, BuildPermission, ContainersPermission, AccessPermission, PermissionsPermission, LocationCurrentClaim, LocationAllClaims, PvPImmunityStart, SiegeNoDrop, DonateItemsInstruction, ChestFull, DonationSuccess, PlayerTooCloseForFire, TooDeepToClaim, ChestClaimConfirmation, AutomaticClaimNotification, UnprotectedChestWarning, ThatPlayerPvPImmune, CantFightWhileImmune, NoDamageClaimedEntity, ShovelBasicClaimMode, RemainingBlocks, CreativeBasicsVideo2, SurvivalBasicsVideo2, TrappedChatKeyword, TrappedInstructions, PvPNoDrop, SiegeNoTeleport, BesiegedNoTeleport, SiegeNoContainers, PvPNoContainers, PvPImmunityEnd, NoBedPermission, NoWildernessBuckets, NoLavaNearOtherPlayer, TooFarAway, BlockNotClaimed, BlockClaimed, SiegeNoShovel, RestoreNaturePlayerInChunk, NoCreateClaimPermission, ResizeNeedMoreBlocks, NoCreativeUnClaim, ClaimResizeSuccess, ResizeFailOverlap, ResizeStart, ResizeFailOverlapSubdivision, SubdivisionStart, CreateSubdivisionOverlap, SubdivisionSuccess, CreateClaimFailOverlap, CreateClaimFailOverlapOtherPlayer, ClaimsDisabledWorld, ClaimStart, NewClaimTooNarrow, CreateClaimInsufficientBlocks, AbandonClaimAdvertisement, CreateClaimFailOverlapShort, CreateClaimSuccess, SiegeWinDoorsOpen, RescueAbortedMoved, SiegeDoorsLockedEjection, NoModifyDuringSiege, OnlyOwnersModifyClaims, NoBuildUnderSiege, NoBuildPvP, NoBuildPermission, NonSiegeMaterial, NoOwnerBuildUnderSiege, NoAccessPermission, NoContainersSiege, NoContainersPermission, OwnerNameForAdminClaims, ClaimTooSmallForEntities, TooManyEntitiesInClaim, YouHaveNoClaims, ConfirmFluidRemoval, AutoBanNotify, AdjustGroupBlocksSuccess, InvalidPermissionID, HowToClaimRegex, NoBuildOutsideClaims, PlayerOfflineTime, BuildingOutsideClaims, TrappedWontWorkHere, CommandBannedInPvP, UnclaimCleanupWarning, BuySellNotConfigured, NoTeleportPvPCombat, NoTNTDamageAboveSeaLevel, NoTNTDamageClaims, IgnoreClaimsAdvertisement, NoPermissionForCommand, ClaimsListNoPermission, ExplosivesDisabled, ExplosivesEnabled, ClaimExplosivesAdvertisement, PlayerInPvPSafeZone, NoPistonsOutsideClaims, SoftMuted, UnSoftMuted, DropUnlockAdvertisement, PickupBlockedExplanation, DropUnlockConfirmation, AdvertiseACandACB, AdvertiseAdminClaims, AdvertiseACB, NotYourPet, PetGiveawayConfirmation, PetTransferCancellation, ReadyToTransferPet, AvoidGriefClaimLand, BecomeMayor, ClaimCreationFailedOverClaimCountLimit, CreateClaimFailOverlapRegion, ResizeFailOverlapRegion, NoBuildPortalPermission, ShowNearbyClaims, NoChatUntilMove, SiegeImmune, SetClaimBlocksSuccess, IgnoreConfirmation, NotIgnoringPlayer, UnIgnoreConfirmation, SeparateConfirmation, UnSeparateConfirmation, NotIgnoringAnyone, TrustListHeader, Manage, Build, Containers, Access, StartBlockMath, ClaimsListHeader, ContinueBlockMath, EndBlockMath, NoClaimDuringPvP, UntrustAllOwnerOnly, ManagersDontUntrustManagers, BookAuthor, BookTitle, BookIntro, BookDisabledChestClaims, BookUsefulCommands, BookLink, BookTools, ResizeClaimTooNarrow, ResizeClaimInsufficientArea	
+	RespectingClaims, IgnoringClaims, SuccessfulAbandon, RestoreNatureActivate, RestoreNatureAggressiveActivate, FillModeActive, TransferClaimPermission, TransferClaimMissing, TransferClaimAdminOnly, PlayerNotFound2, TransferTopLevel, TransferSuccess, TrustListNoClaim, ClearPermsOwnerOnly, UntrustIndividualAllClaims, UntrustEveryoneAllClaims, NoPermissionTrust, ClearPermissionsOneClaim, UntrustIndividualSingleClaim, OnlySellBlocks, BlockPurchaseCost, ClaimBlockLimit, InsufficientFunds, PurchaseConfirmation, OnlyPurchaseBlocks, BlockSaleValue, NotEnoughBlocksForSale, BlockSaleConfirmation, AdminClaimsMode, BasicClaimsMode, SubdivisionMode, SubdivisionVideo2, DeleteClaimMissing, DeletionSubdivisionWarning, DeleteSuccess, CantDeleteAdminClaim, DeleteAllSuccess, NoDeletePermission, AllAdminDeleted, AdjustBlocksSuccess, NotTrappedHere, RescuePending, NonSiegeWorld, AlreadySieging, NotSiegableThere, SiegeTooFarAway, NoSiegeDefenseless, AlreadyUnderSiegePlayer, AlreadyUnderSiegeArea, NoSiegeAdminClaim, SiegeOnCooldown, SiegeAlert, SiegeConfirmed, AbandonClaimMissing, NotYourClaim, DeleteTopLevelClaim, AbandonSuccess, CantGrantThatPermission, GrantPermissionNoClaim, GrantPermissionConfirmation, ManageUniversalPermissionsInstruction, ManageOneClaimPermissionsInstruction, CollectivePublic, BuildPermission, ContainersPermission, AccessPermission, PermissionsPermission, LocationCurrentClaim, LocationAllClaims, PvPImmunityStart, SiegeNoDrop, DonateItemsInstruction, ChestFull, DonationSuccess, PlayerTooCloseForFire, TooDeepToClaim, ChestClaimConfirmation, AutomaticClaimNotification, UnprotectedChestWarning, ThatPlayerPvPImmune, CantFightWhileImmune, NoDamageClaimedEntity, ShovelBasicClaimMode, RemainingBlocks, CreativeBasicsVideo2, SurvivalBasicsVideo2, TrappedChatKeyword, TrappedInstructions, PvPNoDrop, SiegeNoTeleport, BesiegedNoTeleport, SiegeNoContainers, PvPNoContainers, PvPImmunityEnd, NoBedPermission, NoWildernessBuckets, NoLavaNearOtherPlayer, TooFarAway, BlockNotClaimed, BlockClaimed, SiegeNoShovel, RestoreNaturePlayerInChunk, NoCreateClaimPermission, ResizeNeedMoreBlocks, NoCreativeUnClaim, ClaimResizeSuccess, ResizeFailOverlap, ResizeStart, ResizeFailOverlapSubdivision, SubdivisionStart, CreateSubdivisionOverlap, SubdivisionSuccess, CreateClaimFailOverlap, CreateClaimFailOverlapOtherPlayer, ClaimsDisabledWorld, ClaimStart, NewClaimTooNarrow, CreateClaimInsufficientBlocks, AbandonClaimAdvertisement, CreateClaimFailOverlapShort, CreateClaimSuccess, SiegeWinDoorsOpen, RescueAbortedMoved, SiegeDoorsLockedEjection, NoModifyDuringSiege, OnlyOwnersModifyClaims, NoBuildUnderSiege, NoBuildPvP, NoBuildPermission, NonSiegeMaterial, NoOwnerBuildUnderSiege, NoAccessPermission, NoContainersSiege, NoContainersPermission, OwnerNameForAdminClaims, ClaimTooSmallForEntities, TooManyEntitiesInClaim, YouHaveNoClaims, ConfirmFluidRemoval, AutoBanNotify, AdjustGroupBlocksSuccess, InvalidPermissionID, HowToClaimRegex, NoBuildOutsideClaims, PlayerOfflineTime, BuildingOutsideClaims, TrappedWontWorkHere, CommandBannedInPvP, UnclaimCleanupWarning, BuySellNotConfigured, NoTeleportPvPCombat, NoTNTDamageAboveSeaLevel, NoTNTDamageClaims, IgnoreClaimsAdvertisement, NoPermissionForCommand, ClaimsListNoPermission, ExplosivesDisabled, ExplosivesEnabled, ClaimExplosivesAdvertisement, PlayerInPvPSafeZone, NoPistonsOutsideClaims, SoftMuted, UnSoftMuted, DropUnlockAdvertisement, PickupBlockedExplanation, DropUnlockConfirmation, AdvertiseACandACB, AdvertiseAdminClaims, AdvertiseACB, NotYourPet, PetGiveawayConfirmation, PetTransferCancellation, ReadyToTransferPet, AvoidGriefClaimLand, BecomeMayor, ClaimCreationFailedOverClaimCountLimit, CreateClaimFailOverlapRegion, ResizeFailOverlapRegion, NoBuildPortalPermission, ShowNearbyClaims, NoChatUntilMove, SiegeImmune, SetClaimBlocksSuccess, IgnoreConfirmation, NotIgnoringPlayer, UnIgnoreConfirmation, SeparateConfirmation, UnSeparateConfirmation, NotIgnoringAnyone, TrustListHeader, Manage, Build, Containers, Access, StartBlockMath, ClaimsListHeader, ContinueBlockMath, EndBlockMath, NoClaimDuringPvP, UntrustAllOwnerOnly, ManagersDontUntrustManagers, BookAuthor, BookTitle, BookIntro, BookDisabledChestClaims, BookUsefulCommands, BookLink, BookTools, ResizeClaimTooNarrow, ResizeClaimInsufficientArea, NoProfanity	
 }

src/me/ryanhamshire/GriefPrevention/PlayerData.java

@@ -144,6 +144,9 @@ public class PlayerData
 	public ConcurrentHashMap<UUID, Boolean> ignoredPlayers = new ConcurrentHashMap<UUID, Boolean>();
 	public boolean ignoreListChanged = false;
 
+    //profanity warning, once per play session
+	boolean profanityWarned = false;
+	
 	//whether or not this player is "in" pvp combat
 	public boolean inPvpCombat()
 	{

src/me/ryanhamshire/GriefPrevention/PlayerEventHandler.java

@@ -87,6 +87,9 @@ class PlayerEventHandler implements Listener
 	//regex pattern for the "how do i claim land?" scanner
 	private Pattern howToClaimPattern = null;
 	
+	//matcher for banned words
+	private WordFinder bannedWordFinder = new WordFinder(GriefPrevention.instance.dataStore.loadBannedWords());
+	
 	//typical constructor, yawn
 	PlayerEventHandler(DataStore dataStore, GriefPrevention plugin)
 	{
@@ -138,6 +141,34 @@ class PlayerEventHandler implements Listener
 		    GriefPrevention.AddLogEntry(notificationMessage, CustomLogEntryTypes.Debug, true);
 		}
 		
+		//troll and excessive profanity filter
+		else if(!player.hasPermission("griefprevention.spam") && this.bannedWordFinder.hasMatch(message))
+        {
+		    //limit recipients to sender
+		    recipients.clear();
+            recipients.add(player);
+		    
+		    //if player not new warn for the first infraction per play session.
+            if(player.hasAchievement(Achievement.MINE_WOOD))
+            {
+                PlayerData playerData = GriefPrevention.instance.dataStore.getPlayerData(player.getUniqueId());
+                if(!playerData.profanityWarned)
+                {
+                    playerData.profanityWarned = true;
+                    GriefPrevention.sendMessage(player, TextMode.Err, Messages.NoProfanity);
+                    event.setCancelled(true);
+                    return;
+                }
+            }
+            
+            //otherwise assume chat troll and mute all chat from this sender until an admin says otherwise
+            else
+            {
+                GriefPrevention.AddLogEntry("Auto-muted new player " + player.getName() + " for profanity shortly after join.  Use /SoftMute to undo.");
+                GriefPrevention.instance.dataStore.toggleSoftMute(player.getUniqueId());
+            }
+        }
+		
 		//remaining messages
 		else
 		{

src/me/ryanhamshire/GriefPrevention/Tests.java

@@ -0,0 +1,60 @@
+package me.ryanhamshire.GriefPrevention;
+
+import static org.junit.Assert.*;
+
+import java.util.Arrays;
+
+import org.junit.Test;
+
+public class Tests
+{
+   @Test
+   public void TrivialTest()
+   {
+       assertTrue(true);
+   }
+   
+   @Test
+   public void WordFinder_BeginningMiddleEnd()
+   {
+       WordFinder finder = new WordFinder(Arrays.asList("alpha", "beta", "gamma"));
+       assertTrue(finder.hasMatch("alpha"));
+       assertTrue(finder.hasMatch("alpha etc"));
+       assertTrue(finder.hasMatch("etc alpha etc"));
+       assertTrue(finder.hasMatch("etc alpha"));
+       
+       assertTrue(finder.hasMatch("beta"));
+       assertTrue(finder.hasMatch("beta etc"));
+       assertTrue(finder.hasMatch("etc beta etc"));
+       assertTrue(finder.hasMatch("etc beta"));
+       
+       assertTrue(finder.hasMatch("gamma"));
+       assertTrue(finder.hasMatch("gamma etc"));
+       assertTrue(finder.hasMatch("etc gamma etc"));
+       assertTrue(finder.hasMatch("etc gamma"));
+   }
+   
+   @Test
+   public void WordFinder_Casing()
+   {
+       WordFinder finder = new WordFinder(Arrays.asList("aLPhA"));
+       assertTrue(finder.hasMatch("alpha"));
+       assertTrue(finder.hasMatch("aLPhA"));
+       assertTrue(finder.hasMatch("AlpHa"));
+       assertTrue(finder.hasMatch("ALPHA"));
+   }
+   
+   @Test
+   public void WordFinder_Punctuation()
+   {
+       WordFinder finder = new WordFinder(Arrays.asList("alpha"));
+       assertTrue(finder.hasMatch("What do you think,alpha?"));
+   }
+   
+   @Test
+   public void WordFinder_NoMatch()
+   {
+       WordFinder finder = new WordFinder(Arrays.asList("alpha"));
+       assertFalse(finder.hasMatch("Unit testing is smart."));
+   }
+}

src/me/ryanhamshire/GriefPrevention/WordFinder.java

@@ -0,0 +1,34 @@
+package me.ryanhamshire.GriefPrevention;
+
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+class WordFinder
+{
+    private Pattern pattern; 
+    
+    WordFinder(List<String> wordsToFind)
+    {
+        StringBuilder patternBuilder = new StringBuilder();
+        for(String word : wordsToFind)
+        {
+            patternBuilder.append("|(([^\\w]|^)" + Pattern.quote(word) + "([^\\w]|$))");
+        }
+        
+        String patternString = patternBuilder.toString();
+        if(patternString.length() > 1)
+        {
+            //trim extraneous leading pipe (|)
+            patternString = patternString.substring(1);
+        }
+        
+        this.pattern = Pattern.compile(patternString, Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
+    }
+    
+    boolean hasMatch(String input)
+    {
+        Matcher matcher = this.pattern.matcher(input);
+        return matcher.find();
+    }
+}