Redirect execute through our command system and allow entities to be CommandSenders

By: Thinkofdeath <thinkofdeath@spigotmc.org>

paper-server/nms-patches/CommandExecute.patch

@@ -0,0 +1,62 @@
+--- ../work/decompile-8eb82bde//net/minecraft/server/CommandExecute.java	2015-01-04 23:24:40.781538505 +0000
++++ src/main/java/net/minecraft/server/CommandExecute.java	2015-01-04 23:24:40.781538505 +0000
+@@ -2,6 +2,7 @@
+ 
+ import java.util.Collection;
+ import java.util.List;
++import org.bukkit.craftbukkit.command.ProxiedNativeCommandSender;
+ 
+ public class CommandExecute extends CommandAbstract {
+ 
+@@ -19,7 +20,7 @@
+         return "commands.execute.usage";
+     }
+ 
+-    public void execute(ICommandListener icommandlistener, String[] astring) {
++    public void execute(ICommandListener icommandlistener, String[] astring) throws ExceptionUsage, CommandException { // CraftBukkit - added throws
+         if (astring.length < 5) {
+             throw new ExceptionUsage("commands.execute.usage", new Object[0]);
+         } else {
+@@ -52,12 +53,28 @@
+             ICommandHandler icommandhandler = MinecraftServer.getServer().getCommandHandler();
+ 
+             try {
+-                int j = icommandhandler.a(commandlistenerentity, s);
+-
++                // CraftBukkit start
++                org.bukkit.command.CommandSender sender = null;
++                if (icommandlistener.f() != null) {
++                    sender = icommandlistener.f().getBukkitEntity();
++                } else if (icommandlistener instanceof DedicatedServer) {
++                    sender = MinecraftServer.getServer().server.getConsoleSender();
++                } else if (icommandlistener instanceof TileEntityCommandListener) {
++                    sender = ((TileEntityCommandListener) icommandlistener).sender;
++                } else {
++                    throw new CommandException("Unhandled executor " + icommandlistener.getClass().getSimpleName(), new Object[0]);
++                }
++                int j = CommandBlockListenerAbstract.executeCommand(commandlistenerentity, new ProxiedNativeCommandSender(commandlistenerentity, sender, entity.getBukkitEntity()), s); // icommandhandler.a(commandlistenerentity, s);
++                // CraftBukkit end
+                 if (j < 1) {
+                     throw new CommandException("commands.execute.allInvocationsFailed", new Object[] { s});
+                 }
+             } catch (Throwable throwable) {
++                // CraftBukkit start
++                if (throwable instanceof CommandException) {
++                    throw (CommandException) throwable;
++                }
++                // CraftBukkit end
+                 throw new CommandException("commands.execute.failed", new Object[] { s, entity.getName()});
+             }
+         }
+@@ -70,4 +87,11 @@
+     public boolean isListStart(String[] astring, int i) {
+         return i == 0;
+     }
++
++    // CraftBukkit start - fix decompiler error
++    @Override
++    public int compareTo(Object o) {
++        return a((ICommand) o);
++    }
++    // CraftBukkit end
+ }

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java

@@ -1,6 +1,7 @@
 package org.bukkit.craftbukkit.entity;
 
 import java.util.List;
+import java.util.Set;
 import java.util.UUID;
 
 import net.minecraft.server.*;
@@ -14,10 +15,28 @@ import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
 import org.bukkit.metadata.MetadataValue;
+import org.bukkit.permissions.PermissibleBase;
+import org.bukkit.permissions.Permission;
+import org.bukkit.permissions.PermissionAttachment;
+import org.bukkit.permissions.PermissionAttachmentInfo;
+import org.bukkit.permissions.ServerOperator;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.util.Vector;
 
 public abstract class CraftEntity implements org.bukkit.entity.Entity {
+    private static final PermissibleBase perm = new PermissibleBase(new ServerOperator() {
+
+        @Override
+        public boolean isOp() {
+            return false;
+        }
+
+        @Override
+        public void setOp(boolean value) {
+
+        }
+    });
+    
     protected final CraftServer server;
     protected Entity entity;
     private EntityDamageEvent lastDamageEvent;
@@ -436,4 +455,84 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
     public boolean isCustomNameVisible() {
         return getHandle().getCustomNameVisible();
     }
+
+    @Override
+    public void sendMessage(String message) {
+
+    }
+
+    @Override
+    public void sendMessage(String[] messages) {
+
+    }
+
+    @Override
+    public String getName() {
+        return getHandle().getName();
+    }
+
+    @Override
+    public boolean isPermissionSet(String name) {
+        return perm.isPermissionSet(name);
+    }
+
+    @Override
+    public boolean isPermissionSet(Permission perm) {
+        return CraftEntity.perm.isPermissionSet(perm);
+    }
+
+    @Override
+    public boolean hasPermission(String name) {
+        return perm.hasPermission(name);
+    }
+
+    @Override
+    public boolean hasPermission(Permission perm) {
+        return this.perm.hasPermission(perm);
+    }
+
+    @Override
+    public PermissionAttachment addAttachment(Plugin plugin, String name, boolean value) {
+        return perm.addAttachment(plugin, name, value);
+    }
+
+    @Override
+    public PermissionAttachment addAttachment(Plugin plugin) {
+        return perm.addAttachment(plugin);
+    }
+
+    @Override
+    public PermissionAttachment addAttachment(Plugin plugin, String name, boolean value, int ticks) {
+        return perm.addAttachment(plugin, name, value, ticks);
+    }
+
+    @Override
+    public PermissionAttachment addAttachment(Plugin plugin, int ticks) {
+        return perm.addAttachment(plugin, ticks);
+    }
+
+    @Override
+    public void removeAttachment(PermissionAttachment attachment) {
+        perm.removeAttachment(attachment);
+    }
+
+    @Override
+    public void recalculatePermissions() {
+        perm.recalculatePermissions();
+    }
+
+    @Override
+    public Set<PermissionAttachmentInfo> getEffectivePermissions() {
+        return perm.getEffectivePermissions();
+    }
+
+    @Override
+    public boolean isOp() {
+        return perm.isOp();
+    }
+
+    @Override
+    public void setOp(boolean value) {
+        perm.setOp(value);
+    }
 }