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.
85 lines
4.3 KiB
Diff
85 lines
4.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Wed, 6 Jan 2021 00:34:04 -0800
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Subject: [PATCH] Expand world key API
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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index bb9b4ff9f5c983ef6fe0b295bc868bc1125921d5..b9262b681b51cb68024156b28d33624fddd17b26 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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@@ -511,5 +511,10 @@ public abstract class CraftRegionAccessor implements RegionAccessor {
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public io.papermc.paper.world.MoonPhase getMoonPhase() {
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return io.papermc.paper.world.MoonPhase.getPhase(this.getHandle().dayTime() / 24000L);
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}
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+
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+ @Override
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+ public org.bukkit.NamespacedKey getKey() {
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+ return org.bukkit.craftbukkit.util.CraftNamespacedKey.fromMinecraft(this.getHandle().getLevel().dimension().location());
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+ }
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// Paper end
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index c353f7a3a9ad0099ef7330dde988d1a174a0e327..b453673f7bab09a1b10898a7d1f85d133e63ac72 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -1149,9 +1149,15 @@ public final class CraftServer implements Server {
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File folder = new File(this.getWorldContainer(), name);
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World world = this.getWorld(name);
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- if (world != null) {
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- return world;
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+ // Paper start
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+ World worldByKey = this.getWorld(creator.key());
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+ if (world != null || worldByKey != null) {
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+ if (world == worldByKey) {
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+ return world;
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+ }
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+ throw new IllegalArgumentException("Cannot create a world with key " + creator.key() + " and name " + name + " one (or both) already match a world that exists");
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}
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+ // Paper end
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if (folder.exists()) {
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Preconditions.checkArgument(folder.isDirectory(), "File (%s) exists and isn't a folder", name);
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@@ -1275,7 +1281,7 @@ public final class CraftServer implements Server {
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} else if (name.equals(levelName + "_the_end")) {
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worldKey = net.minecraft.world.level.Level.END;
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} else {
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- worldKey = ResourceKey.create(Registries.DIMENSION, new ResourceLocation(name.toLowerCase(java.util.Locale.ENGLISH)));
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+ worldKey = ResourceKey.create(Registries.DIMENSION, new net.minecraft.resources.ResourceLocation(creator.key().getNamespace().toLowerCase(java.util.Locale.ENGLISH), creator.key().getKey().toLowerCase(java.util.Locale.ENGLISH))); // Paper
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}
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ServerLevel internal = (ServerLevel) new ServerLevel(this.console, this.console.executor, worldSession, worlddata, worldKey, worlddimension, this.getServer().progressListenerFactory.create(11),
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@@ -1368,6 +1374,15 @@ public final class CraftServer implements Server {
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return null;
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}
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+ // Paper start
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+ @Override
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+ public World getWorld(NamespacedKey worldKey) {
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+ ServerLevel worldServer = console.getLevel(ResourceKey.create(net.minecraft.core.registries.Registries.DIMENSION, CraftNamespacedKey.toMinecraft(worldKey)));
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+ if (worldServer == null) return null;
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+ return worldServer.getWorld();
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+ }
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+ // Paper end
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+
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public void addWorld(World world) {
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// Check if a World already exists with the UID.
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if (this.getWorld(world.getUID()) != null) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index 14d094d9af9b76277859901db908b8a36b24986b..4d695428cf838d2f5661fdeaaa58b82de693d64e 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -531,6 +531,11 @@ public final class CraftMagicNumbers implements UnsafeValues {
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public int nextEntityId() {
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return net.minecraft.world.entity.Entity.nextEntityId();
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}
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+
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+ @Override
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+ public String getMainLevelName() {
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+ return ((net.minecraft.server.dedicated.DedicatedServer) net.minecraft.server.MinecraftServer.getServer()).getProperties().levelName;
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+ }
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// Paper end
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/**
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