mirror of
https://github.com/PaperMC/Paper.git
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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
84 lines
4.1 KiB
Diff
84 lines
4.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 28 Jun 2020 19:27:20 -0400
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Subject: [PATCH] Paper dumpitem command
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Let's you quickly view the item in your hands NBT data
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diff --git a/src/main/java/io/papermc/paper/command/PaperCommand.java b/src/main/java/io/papermc/paper/command/PaperCommand.java
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index 69d093d3450931038ac3d27d7874060d13dc2225..27775df10a490ff75ca377e8373931738f1b817c 100644
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--- a/src/main/java/io/papermc/paper/command/PaperCommand.java
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+++ b/src/main/java/io/papermc/paper/command/PaperCommand.java
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@@ -39,6 +39,7 @@ public final class PaperCommand extends Command {
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commands.put(Set.of("version"), new VersionCommand());
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commands.put(Set.of("dumpplugins"), new DumpPluginsCommand());
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commands.put(Set.of("syncloadinfo"), new SyncLoadInfoCommand());
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+ commands.put(Set.of("dumpitem"), new DumpItemCommand());
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return commands.entrySet().stream()
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.flatMap(entry -> entry.getKey().stream().map(s -> Map.entry(s, entry.getValue())))
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diff --git a/src/main/java/io/papermc/paper/command/subcommands/DumpItemCommand.java b/src/main/java/io/papermc/paper/command/subcommands/DumpItemCommand.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..5f0b0fe73a47e6a5ca8706f11e78b4b08e6ccd9a
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/command/subcommands/DumpItemCommand.java
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@@ -0,0 +1,59 @@
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+package io.papermc.paper.command.subcommands;
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+
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+import io.papermc.paper.adventure.PaperAdventure;
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+import io.papermc.paper.command.PaperSubcommand;
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+import java.util.Objects;
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+import net.kyori.adventure.text.Component;
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+import net.kyori.adventure.text.event.ClickEvent;
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+import net.minecraft.core.registries.Registries;
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+import net.minecraft.nbt.CompoundTag;
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+import net.minecraft.world.item.ItemStack;
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+import org.bukkit.Bukkit;
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+import org.bukkit.command.CommandSender;
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+import org.bukkit.craftbukkit.CraftWorld;
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+import org.bukkit.craftbukkit.entity.CraftPlayer;
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+import org.bukkit.craftbukkit.inventory.CraftItemStack;
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+import org.bukkit.entity.Player;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.checkerframework.checker.nullness.qual.Nullable;
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+import org.checkerframework.framework.qual.DefaultQualifier;
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+
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+import static net.kyori.adventure.text.Component.text;
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+import static net.kyori.adventure.text.format.NamedTextColor.GRAY;
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+import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
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+import static net.kyori.adventure.text.format.TextDecoration.ITALIC;
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+
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+@DefaultQualifier(NonNull.class)
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+public final class DumpItemCommand implements PaperSubcommand {
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+ @Override
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+ public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
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+ this.doDumpItem(sender);
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+ return true;
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+ }
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+
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+ private void doDumpItem(final CommandSender sender) {
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+ if (!(sender instanceof Player)) {
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+ sender.sendMessage("Only players can use this command");
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+ return;
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+ }
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+ final ItemStack itemStack = CraftItemStack.asNMSCopy(((CraftPlayer) sender).getItemInHand());
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+ final @Nullable CompoundTag tag = itemStack.getTag();
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+ final @Nullable Component nbtComponent = tag == null ? null : PaperAdventure.asAdventure(net.minecraft.nbt.NbtUtils.toPrettyComponent(tag));
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+ final String itemId = Objects.requireNonNull(((CraftWorld) ((CraftPlayer) sender).getWorld()).getHandle().registryAccess()
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+ .registryOrThrow(Registries.ITEM).getKey(itemStack.getItem())).toString();
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+ final Component message = text()
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+ .append(text(itemId, YELLOW))
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+ .apply(b -> {
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+ if (nbtComponent != null) {
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+ b.append(nbtComponent);
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+ }
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+ })
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+ .build();
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+ Bukkit.getConsoleSender().sendMessage(message);
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+ sender.sendMessage(message);
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+ sender.sendMessage(text().content(" Click to copy item to clipboard")
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+ .color(GRAY)
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+ .decorate(ITALIC)
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+ .clickEvent(ClickEvent.copyToClipboard(tag == null ? itemId : (itemId + tag))));
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+ }
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+}
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