SPIGOT-2997: Explicitly disallow invalid tiles to be opened

nms-patches/EntityPlayer.patch

@@ -1,10 +1,11 @@
 --- a/net/minecraft/server/EntityPlayer.java
 +++ b/net/minecraft/server/EntityPlayer.java
-@@ -12,6 +12,19 @@
+@@ -12,6 +12,20 @@
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
 +// CraftBukkit start
++import com.google.common.base.Preconditions;
 +import org.bukkit.Bukkit;
 +import org.bukkit.WeatherType;
 +import org.bukkit.craftbukkit.CraftWorld;
@@ -20,7 +21,7 @@
  public class EntityPlayer extends EntityHuman implements ICrafting {
  
      private static final Logger bR = LogManager.getLogger();
-@@ -44,6 +57,18 @@
+@@ -44,6 +58,18 @@
      public int ping;
      public boolean viewingCredits;
  
@@ -39,7 +40,7 @@
      public EntityPlayer(MinecraftServer minecraftserver, WorldServer worldserver, GameProfile gameprofile, PlayerInteractManager playerinteractmanager) {
          super(worldserver, gameprofile);
          playerinteractmanager.player = this;
-@@ -67,13 +92,18 @@
+@@ -67,13 +93,18 @@
  
          this.server = minecraftserver;
          this.bU = minecraftserver.getPlayerList().a((EntityHuman) this);
@@ -59,7 +60,7 @@
      }
  
      public void a(NBTTagCompound nbttagcompound) {
-@@ -86,6 +116,7 @@
+@@ -86,6 +117,7 @@
              }
          }
  
@@ -67,7 +68,7 @@
      }
  
      public static void a(DataConverterManager dataconvertermanager) {
-@@ -119,8 +150,33 @@
+@@ -119,8 +151,33 @@
              nbttagcompound1.set("Entity", nbttagcompound2);
              nbttagcompound.set("RootVehicle", nbttagcompound1);
          }
@@ -101,7 +102,7 @@
  
      public void levelDown(int i) {
          super.levelDown(i);
-@@ -151,6 +207,11 @@
+@@ -151,6 +208,11 @@
      }
  
      public void A_() {
@@ -113,7 +114,7 @@
          this.playerInteractManager.a();
          --this.invulnerableTicks;
          if (this.noDamageTicks > 0) {
-@@ -210,7 +271,7 @@
+@@ -210,7 +272,7 @@
              }
  
              if (this.getHealth() != this.lastHealthSent || this.cc != this.foodData.getFoodLevel() || this.foodData.getSaturationLevel() == 0.0F != this.cd) {
@@ -122,7 +123,7 @@
                  this.lastHealthSent = this.getHealth();
                  this.cc = this.foodData.getFoodLevel();
                  this.cd = this.foodData.getSaturationLevel() == 0.0F;
-@@ -231,6 +292,12 @@
+@@ -231,6 +293,12 @@
                  this.a(IScoreboardCriteria.i, MathHelper.f((float) this.bX));
              }
  
@@ -135,7 +136,7 @@
              if (this.getArmorStrength() != this.bY) {
                  this.bY = this.getArmorStrength();
                  this.a(IScoreboardCriteria.j, MathHelper.f((float) this.bY));
-@@ -255,6 +322,16 @@
+@@ -255,6 +323,16 @@
                  this.o();
              }
  
@@ -152,7 +153,7 @@
          } catch (Throwable throwable) {
              CrashReport crashreport = CrashReport.a(throwable, "Ticking player");
              CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Player being ticked");
-@@ -265,12 +342,11 @@
+@@ -265,12 +343,11 @@
      }
  
      private void a(IScoreboardCriteria iscoreboardcriteria, int i) {
@@ -167,7 +168,7 @@
  
              scoreboardscore.setScore(i);
          }
-@@ -319,31 +395,61 @@
+@@ -319,31 +396,61 @@
          boolean flag = this.world.getGameRules().getBoolean("showDeathMessages");
  
          this.playerConnection.sendPacket(new PacketPlayOutCombatEvent(this.getCombatTracker(), PacketPlayOutCombatEvent.EnumCombatEventType.ENTITY_DIED, flag));
@@ -189,15 +190,15 @@
 +        }
 +
 +        IChatBaseComponent chatmessage = this.getCombatTracker().getDeathMessage();
++
++        String deathmessage = chatmessage.toPlainText();
++        org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, loot, deathmessage, keepInventory);
  
 -            if (scoreboardteambase != null && scoreboardteambase.getDeathMessageVisibility() != ScoreboardTeamBase.EnumNameTagVisibility.ALWAYS) {
 -                if (scoreboardteambase.getDeathMessageVisibility() == ScoreboardTeamBase.EnumNameTagVisibility.HIDE_FOR_OTHER_TEAMS) {
 -                    this.server.getPlayerList().a((EntityHuman) this, this.getCombatTracker().getDeathMessage());
 -                } else if (scoreboardteambase.getDeathMessageVisibility() == ScoreboardTeamBase.EnumNameTagVisibility.HIDE_FOR_OWN_TEAM) {
 -                    this.server.getPlayerList().b((EntityHuman) this, this.getCombatTracker().getDeathMessage());
-+        String deathmessage = chatmessage.toPlainText();
-+        org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, loot, deathmessage, keepInventory);
-+
 +        String deathMessage = event.getDeathMessage();
 +
 +        if (deathMessage != null && deathMessage.length() > 0 && flag) { // TODO: allow plugins to override?
@@ -243,7 +244,7 @@
  
              scoreboardscore.incrementScore();
          }
-@@ -402,13 +508,15 @@
+@@ -402,13 +509,15 @@
      }
  
      private boolean canPvP() {
@@ -261,7 +262,7 @@
              this.world.kill(this);
              if (!this.viewingCredits) {
                  this.viewingCredits = true;
-@@ -429,7 +537,10 @@
+@@ -429,7 +538,10 @@
                  this.b((Statistic) AchievementList.y);
              }
  
@@ -273,7 +274,7 @@
              this.playerConnection.sendPacket(new PacketPlayOutWorldEvent(1032, BlockPosition.ZERO, 0, false));
              this.lastSentExp = -1;
              this.lastHealthSent = -1.0F;
-@@ -474,6 +585,7 @@
+@@ -474,6 +586,7 @@
      }
  
      public void a(boolean flag, boolean flag1, boolean flag2) {
@@ -281,7 +282,7 @@
          if (this.isSleeping()) {
              this.x().getTracker().sendPacketToEntity(this, new PacketPlayOutAnimation(this, 2));
          }
-@@ -552,23 +664,52 @@
+@@ -552,23 +665,55 @@
          this.playerConnection.sendPacket(new PacketPlayOutOpenSignEditor(tileentitysign.getPosition()));
      }
  
@@ -323,6 +324,9 @@
 +
 +        Container container;
 +        if (iinventory instanceof ITileEntityContainer) {
++            if (iinventory instanceof TileEntity) {
++                Preconditions.checkArgument(((TileEntity) iinventory).getWorld() != null, "Container must have world to be opened");
++            }
 +            container = ((ITileEntityContainer) iinventory).createContainer(this.inventory, this);
 +        } else {
 +            container = new ContainerChest(this.inventory, iinventory, this);
@@ -337,7 +341,7 @@
          if (iinventory instanceof ILootable && ((ILootable) iinventory).b() != null && this.isSpectator()) {
              this.a((new ChatMessage("container.spectatorCantOpen", new Object[0])).setChatModifier((new ChatModifier()).setColor(EnumChatFormat.RED)), true);
          } else {
-@@ -582,18 +723,21 @@
+@@ -582,18 +727,21 @@
                  if (itileinventory.isLocked() && !this.a(itileinventory.getLock()) && !this.isSpectator()) {
                      this.playerConnection.sendPacket(new PacketPlayOutChat(new ChatMessage("container.isLocked", new Object[] { iinventory.getScoreboardDisplayName()}), (byte) 2));
                      this.playerConnection.sendPacket(new PacketPlayOutNamedSoundEffect(SoundEffects.Y, SoundCategory.BLOCKS, this.locX, this.locY, this.locZ, 1.0F, 1.0F));
@@ -361,7 +365,7 @@
  
              this.activeContainer.windowId = this.containerCounter;
              this.activeContainer.addSlotListener(this);
-@@ -601,8 +745,14 @@
+@@ -601,8 +749,14 @@
      }
  
      public void openTrade(IMerchant imerchant) {
@@ -377,7 +381,7 @@
          this.activeContainer.windowId = this.containerCounter;
          this.activeContainer.addSlotListener(this);
          InventoryMerchant inventorymerchant = ((ContainerMerchant) this.activeContainer).e();
-@@ -622,13 +772,20 @@
+@@ -622,13 +776,20 @@
      }
  
      public void openHorseInventory(EntityHorseAbstract entityhorseabstract, IInventory iinventory) {
@@ -399,7 +403,7 @@
          this.activeContainer.windowId = this.containerCounter;
          this.activeContainer.addSlotListener(this);
      }
-@@ -665,6 +822,11 @@
+@@ -665,6 +826,11 @@
      public void a(Container container, NonNullList<ItemStack> nonnulllist) {
          this.playerConnection.sendPacket(new PacketPlayOutWindowItems(container.windowId, nonnulllist));
          this.playerConnection.sendPacket(new PacketPlayOutSetSlot(-1, -1, this.inventory.getCarried()));
@@ -411,7 +415,7 @@
      }
  
      public void setContainerData(Container container, int i, int j) {
-@@ -679,6 +841,7 @@
+@@ -679,6 +845,7 @@
      }
  
      public void closeInventory() {
@@ -419,7 +423,7 @@
          this.playerConnection.sendPacket(new PacketPlayOutCloseWindow(this.activeContainer.windowId));
          this.s();
      }
-@@ -760,7 +923,16 @@
+@@ -760,7 +927,16 @@
  
      public void triggerHealthUpdate() {
          this.lastHealthSent = -1.0E8F;
@@ -436,7 +440,7 @@
  
      public void a(IChatBaseComponent ichatbasecomponent, boolean flag) {
          this.playerConnection.sendPacket(new PacketPlayOutChat(ichatbasecomponent, (byte) (flag ? 2 : 0)));
-@@ -821,6 +993,8 @@
+@@ -821,6 +997,8 @@
      }
  
      public void a(EnumGamemode enumgamemode) {
@@ -445,7 +449,7 @@
          this.playerInteractManager.setGameMode(enumgamemode);
          this.playerConnection.sendPacket(new PacketPlayOutGameStateChange(3, (float) enumgamemode.getId()));
          if (enumgamemode == EnumGamemode.SPECTATOR) {
-@@ -831,6 +1005,7 @@
+@@ -831,6 +1009,7 @@
  
          this.updateAbilities();
          this.cw();
@@ -453,7 +457,7 @@
      }
  
      public boolean isSpectator() {
-@@ -846,6 +1021,7 @@
+@@ -846,6 +1025,7 @@
      }
  
      public boolean a(int i, String s) {
@@ -461,7 +465,7 @@
          if ("seed".equals(s) && !this.server.aa()) {
              return true;
          } else if (!"tell".equals(s) && !"help".equals(s) && !"me".equals(s) && !"trigger".equals(s)) {
-@@ -859,6 +1035,15 @@
+@@ -859,6 +1039,15 @@
          } else {
              return true;
          }
@@ -477,7 +481,7 @@
      }
  
      public String A() {
-@@ -870,6 +1055,12 @@
+@@ -870,6 +1059,12 @@
      }
  
      public void a(PacketPlayInSettings packetplayinsettings) {
@@ -490,7 +494,7 @@
          this.locale = packetplayinsettings.a();
          this.cg = packetplayinsettings.c();
          this.ch = packetplayinsettings.d();
-@@ -958,7 +1149,7 @@
+@@ -958,7 +1153,7 @@
  
      @Nullable
      public IChatBaseComponent getPlayerListName() {
@@ -499,7 +503,7 @@
      }
  
      public void a(EnumHand enumhand) {
-@@ -975,11 +1166,150 @@
+@@ -975,11 +1170,150 @@
      }
  
      public void M() {