1 files changed, 196 insertions, 0 deletions
diff --git a/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/inventory/InventoryCheckListener.java b/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/inventory/InventoryCheckListener.java
new file mode 100644
index 000000000..f42a37185
--- /dev/null
+++ b/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/inventory/InventoryCheckListener.java
@@ -0,0 +1,196 @@
+package com.earth2me.essentials.anticheat.checks.inventory;
+
+import com.earth2me.essentials.anticheat.EventManager;
+import com.earth2me.essentials.anticheat.NoCheat;
+import com.earth2me.essentials.anticheat.NoCheatPlayer;
+import com.earth2me.essentials.anticheat.checks.CheckUtil;
+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.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.entity.EntityShootBowEvent;
+import org.bukkit.event.entity.FoodLevelChangeEvent;
+import org.bukkit.event.player.PlayerDropItemEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+
+
+/**
+ * Central location to listen to events that are relevant for the inventory checks
+ *
+ */
+public class InventoryCheckListener implements Listener, EventManager
+{
+	private final DropCheck dropCheck;
+	private final InstantBowCheck instantBowCheck;
+	private final InstantEatCheck instantEatCheck;
+	private final NoCheat plugin;
+
+	public InventoryCheckListener(NoCheat plugin)
+	{
+
+		this.dropCheck = new DropCheck(plugin);
+		this.instantBowCheck = new InstantBowCheck(plugin);
+		this.instantEatCheck = new InstantEatCheck(plugin);
+
+		this.plugin = plugin;
+	}
+
+	/**
+	 * We listen to DropItem Event for the dropCheck
+	 *
+	 * @param event The PlayerDropItem Event
+	 */
+	@EventHandler(priority = EventPriority.LOWEST)
+	protected void handlePlayerDropItemEvent(final PlayerDropItemEvent event)
+	{
+
+		if (event.isCancelled() || event.getPlayer().isDead())
+		{
+			return;
+		}
+
+		boolean cancelled = false;
+
+		final NoCheatPlayer player = plugin.getPlayer(event.getPlayer());
+		final InventoryConfig cc = InventoryCheck.getConfig(player);
+		final InventoryData data = InventoryCheck.getData(player);
+
+		// If it should be executed, do it
+		if (cc.dropCheck && !player.hasPermission(Permissions.INVENTORY_DROP))
+		{
+			cancelled = dropCheck.check(player, data, cc);
+		}
+
+		if (cancelled)
+		{
+			// Cancelling drop events is not save (in certain circumstances
+			// items will disappear completely). So don't do it and kick
+			// players instead by default
+			// event.setCancelled(true);
+		}
+	}
+
+	/**
+	 * We listen to PlayerInteractEvent for the instantEat and instantBow checks
+	 *
+	 * @param event The PlayerInteractEvent
+	 */
+	@EventHandler(priority = EventPriority.LOWEST)
+	public void interact(final PlayerInteractEvent event)
+	{
+
+		// Only interested in right-clicks while holding an item
+		if (!event.hasItem() || !(event.getAction() == Action.RIGHT_CLICK_AIR || event.getAction() == Action.RIGHT_CLICK_BLOCK))
+		{
+			return;
+		}
+
+		NoCheatPlayer player = plugin.getPlayer(event.getPlayer());
+		final InventoryData data = InventoryCheck.getData(player);
+
+		if (event.getItem().getType() == Material.BOW)
+		{
+			// It was a bow, the player starts to pull the string
+			// Remember this time
+			data.lastBowInteractTime = System.currentTimeMillis();
+		}
+		else if (CheckUtil.isFood(event.getItem()))
+		{
+			// It was food, the player starts to eat some food
+			// Remember this time and the type of food
+			data.foodMaterial = event.getItem().getType();
+			data.lastEatInteractTime = System.currentTimeMillis();
+		}
+		else
+		{
+			// Nothing that we are interested in, reset data
+			data.lastBowInteractTime = 0;
+			data.lastEatInteractTime = 0;
+			data.foodMaterial = null;
+		}
+	}
+
+	/**
+	 * We listen to FoodLevelChange Event because Bukkit doesn't provide a PlayerFoodEating Event (or whatever it would
+	 * be called).
+	 *
+	 * @param event The FoodLevelChangeEvent
+	 */
+	@EventHandler(priority = EventPriority.LOWEST)
+	public void foodchanged(final FoodLevelChangeEvent event)
+	{
+		// Only if a player ate food
+		if (!event.isCancelled() && event.getEntity() instanceof Player)
+		{
+			final NoCheatPlayer player = plugin.getPlayer((Player)event.getEntity());
+			final InventoryConfig cc = InventoryCheck.getConfig(player);
+			final InventoryData data = InventoryCheck.getData(player);
+
+			// Only if he should get checked
+			if (cc.eatCheck && !player.hasPermission(Permissions.INVENTORY_INSTANTEAT))
+			{
+
+				boolean cancelled = instantEatCheck.check(player, event, data, cc);
+
+				// The check requested the foodlevelchange to get cancelled
+				event.setCancelled(cancelled);
+			}
+
+			// Forget the food material, as the info is no longer needed
+			data.foodMaterial = null;
+		}
+
+	}
+
+	/**
+	 * We listen to EntityShootBowEvent for the instantbow check
+	 *
+	 * @param event The EntityShootBowEvent
+	 */
+	@EventHandler(priority = EventPriority.LOWEST)
+	public void bowfired(final EntityShootBowEvent event)
+	{
+		// Only if a player shot the arrow
+		if (!event.isCancelled() && event.getEntity() instanceof Player)
+		{
+			final NoCheatPlayer player = plugin.getPlayer((Player)event.getEntity());
+			final InventoryConfig cc = InventoryCheck.getConfig(player);
+
+			// Only if he should get checked
+			if (cc.bowCheck && !player.hasPermission(Permissions.INVENTORY_INSTANTBOW))
+			{
+				final InventoryData data = InventoryCheck.getData(player);
+				boolean cancelled = instantBowCheck.check(player, event, data, cc);
+
+				// The check requested the bowshooting to get cancelled
+				event.setCancelled(cancelled);
+			}
+		}
+	}
+
+	public List<String> getActiveChecks(ConfigurationCacheStore cc)
+	{
+		LinkedList<String> s = new LinkedList<String>();
+
+		InventoryConfig i = InventoryCheck.getConfig(cc);
+		if (i.dropCheck)
+		{
+			s.add("inventory.dropCheck");
+		}
+		if (i.bowCheck)
+		{
+			s.add("inventory.instantbow");
+		}
+		if (i.eatCheck)
+		{
+			s.add("inventory.instanteat");
+		}
+		return s;
+	}
+}