Initial formatted and slightly tweaked version of @evenprime 's NoCheat. Will be intergrated into the main Essentials as soon as possible

1 files changed, 108 insertions, 0 deletions

diff --git a/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/chat/ChatCheckListener.java b/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/chat/ChatCheckListener.java
new file mode 100644
index 000000000..965a374aa
--- /dev/null
+++ b/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/chat/ChatCheckListener.java
@@ -0,0 +1,108 @@
+package com.earth2me.essentials.anticheat.checks.chat;
+
+import com.earth2me.essentials.anticheat.EventManager;
+import com.earth2me.essentials.anticheat.NoCheat;
+import com.earth2me.essentials.anticheat.NoCheatPlayer;
+import com.earth2me.essentials.anticheat.config.ConfigurationCacheStore;
+import com.earth2me.essentials.anticheat.config.Permissions;
+import java.util.LinkedList;
+import java.util.List;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerChatEvent;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+
+
+/**
+ * Central location to listen to events that are relevant for the chat checks
+ *
+ */
+public class ChatCheckListener implements Listener, EventManager
+{
+	private final SpamCheck spamCheck;
+	private final ColorCheck colorCheck;
+	private final NoCheat plugin;
+
+	public ChatCheckListener(NoCheat plugin)
+	{
+
+		this.plugin = plugin;
+
+		spamCheck = new SpamCheck(plugin);
+		colorCheck = new ColorCheck(plugin);
+	}
+
+	/**
+	 * We listen to PlayerCommandPreprocess events because commands can be used for spamming too.
+	 *
+	 * @param event The PlayerCommandPreprocess Event
+	 */
+	@EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
+	public void commandPreprocess(final PlayerCommandPreprocessEvent event)
+	{
+		// This type of event is derived from PlayerChatEvent, therefore
+		// just treat it like that
+		chat(event);
+	}
+
+	/**
+	 * We listen to PlayerChat events for obvious reasons
+	 *
+	 * @param event The PlayerChat event
+	 */
+	@EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
+	public void chat(final PlayerChatEvent event)
+	{
+		boolean cancelled = false;
+
+		final NoCheatPlayer player = plugin.getPlayer(event.getPlayer());
+		final ChatConfig cc = ChatCheck.getConfig(player);
+		final ChatData data = ChatCheck.getData(player);
+
+		// Remember the original message
+		data.message = event.getMessage();
+
+		// Now do the actual checks
+
+		// First the spam check
+		if (cc.spamCheck && !player.hasPermission(Permissions.CHAT_SPAM))
+		{
+			cancelled = spamCheck.check(player, data, cc);
+		}
+
+		// Second the color check
+		if (!cancelled && cc.colorCheck && !player.hasPermission(Permissions.CHAT_COLOR))
+		{
+			cancelled = colorCheck.check(player, data, cc);
+		}
+
+		// If one of the checks requested the event to be cancelled, do it
+		if (cancelled)
+		{
+			event.setCancelled(cancelled);
+		}
+		else
+		{
+			// In case one of the events modified the message, make sure that
+			// the new message gets used
+			event.setMessage(data.message);
+		}
+	}
+
+	public List<String> getActiveChecks(ConfigurationCacheStore cc)
+	{
+		LinkedList<String> s = new LinkedList<String>();
+
+		ChatConfig c = ChatCheck.getConfig(cc);
+		if (c.spamCheck)
+		{
+			s.add("chat.spam");
+		}
+		if (c.colorCheck)
+		{
+			s.add("chat.color");
+		}
+		return s;
+	}
+}