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b68b282439
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Warning: this commit contains more mapping changes from upstream, As always, ensure that you have working backups and test this build before deployment; Developers working on paper will, yet again, need to delete their work/Minecraft/1.13.2 folder Bukkit Changes: 7fca5fd4 SPIGOT-4558: Preserve user order in the face of copied defaults in configurations 15c9b1eb Ignore spurious slot IDs sent by client, e.g. in enchanting tables 5d2a10c5 SPIGOT-3747: Add API for force loaded chunks d6dd2bb3 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent 771db4aa SPIGOT-794: Call EntityPlaceEvent for Minecart placement 55462509 Add InventoryView#getSlotType 2f3ce5b6 Remove EntityTransformEvent and CustomItemTagContainer from draft API f04ad7b6 Make ProjectileLaunchEvent extend EntitySpawnEvent ccb85808 Define EntitySpawnEvent b8cc3ebe Add PlayerItemDamageEvent 184a495d Ease ClassLoader Deadlocks Where Possible 11ac4728 Expand Boolean Prompt Values in Conversation API aae62d51 Added getAllSessionData() to the Conversation API. 9290ff91 Add InventoryView#getInventory API 995e530f Add API to get / set base arrow damage CraftBukkit Changes:c4a67eedSPIGOT-4556: Fix plugins closing inventory during drop events5be2ddcbReplace version constants with methods to prevent compiler inlininga5b9c7b3Use API method to create offset command completions2bc7d1dfSPIGOT-3747: Add API for force loaded chunksa408f375SPIGOT-3538: Add getHitBlockFace for ProjectileHitEventb54b9409SPIGOT-2864: Make Arrow / Item setTicksLived behave like FallingBlock79ded7a8SPIGOT-1811: Death message not shown on respawn screenb4a4f15dSPIGOT-943: InventoryCloseEvent called on death regardless of open inventory0afed592SPIGOT-794: Call EntityPlaceEvent for Minecart placement2b2d084aAdd InventoryView#getSlotType01a9959aDo not use deprecated ItemSpawnEvent constructor9642498dSPIGOT-4547: Call EntitySpawnEvent as general spawn fallback event963f4a5fAdd PlayerItemDamageEvent63db0445Add API to get / set base arrow damage531c25d7Add CraftMagicNumbers.MAPPINGS_VERSION for use by NMS pluginsd05c8b14Mappings Updatebd36e200SPIGOT-4551: Ignore invalid attribute modifier slots Spigot Changes: 518206a1 Remove redundant trove depend 1959ad21 MC-11211,SPIGOT-4552: Fix placing double slabs at y = 255 29ab5e43 SPIGOT-3661: Allow arguments in restart-script 7cc46316 SPIGOT-852: Growth modifiers for beetroots, potatoes, carrots 82e117e1 Squelch "fatal: Resolve operation not in progress" message 0a1a68e7 Mappings Update & Patch Rebuild
69 lines
3.4 KiB
Diff
69 lines
3.4 KiB
Diff
From 903f06b5ea3616e0b4054b28c28d9d0b4b42a1aa Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Fri, 16 Nov 2018 23:08:50 -0500
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Subject: [PATCH] Book Size Limits
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Puts some limits on the size of books.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index fef899ae0..468aff713 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -449,4 +449,11 @@ public class PaperConfig {
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velocitySecretKey = secret.getBytes(StandardCharsets.UTF_8);
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}
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}
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+
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+ public static int maxBookPageSize = 2560;
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+ public static double maxBookTotalSizeMultiplier = 0.98D;
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+ private static void maxBookSize() {
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+ maxBookPageSize = getInt("settings.book-size.page-max", maxBookPageSize);
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+ maxBookTotalSizeMultiplier = getDouble("settings.book-size.total-multiplier", maxBookTotalSizeMultiplier);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index 7ae374085..bbdf729c3 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -747,6 +747,38 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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}
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public void a(PacketPlayInBEdit packetplayinbedit) {
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+ // Paper start
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+ ItemStack testStack = packetplayinbedit.b();
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+ if (!server.isPrimaryThread() && !testStack.isEmpty() && testStack.getTag() != null) {
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+ NBTTagList pageList = testStack.getTag().getList("pages", 8);
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+ long byteTotal = 0;
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+ int maxBookPageSize = com.destroystokyo.paper.PaperConfig.maxBookPageSize;
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+ double multiplier = Math.max(0.3D, Math.min(1D, com.destroystokyo.paper.PaperConfig.maxBookTotalSizeMultiplier));
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+ long byteAllowed = maxBookPageSize;
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+ for (int i = 0; i < pageList.size(); ++i) {
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+ String testString = pageList.getString(i);
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+ int byteLength = testString.getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
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+ byteTotal += byteLength;
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+ if (byteTotal > byteAllowed) {
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+ PlayerConnection.LOGGER.warn(this.player.getName() + " tried to send too large of a book. Book Size: " + byteTotal + " - Allowed: "+ byteAllowed + " - Pages: " + pageList.size());
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+ minecraftServer.postToMainThread(() -> this.disconnect("Book too large!"));
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+ return;
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+ }
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+ int length = testString.length();
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+ int multibytes = byteLength == length ? byteLength : (int) Math.round((double) byteLength / (double) length);
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+ for (int x = 1; x < multibytes; x++) {
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+ multiplier *= multiplier;
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+ }
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+ byteAllowed += (maxBookPageSize * Math.min(1, Math.max(0.1D, (double) length / 255D))) * multiplier;
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+ multiplier *= multiplier;
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+
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+ if (multibytes > 1) {
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+ // penalize MB some more
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+ byteAllowed -= length;
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+ }
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+ }
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+ }
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+ // Paper end
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// CraftBukkit start
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PlayerConnectionUtils.ensureMainThread(packetplayinbedit, this, this.player.getWorldServer());
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if (this.lastBookTick + 20 > MinecraftServer.currentTick) {
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--
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2.20.1
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