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https://github.com/PaperMC/Paper.git
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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 Bukkit Changes: da08d022 SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN 0cef14e4 Remove draft API from selectEntities CraftBukkit Changes:a46fdbc6
Remove outdated build delay.3697519b
SPIGOT-4708: Fix ExactChoice recipes neglecting material9ead7009
SPIGOT-4677: Add minecraft.admin.command_feedback permissionc3749a23
Remove the Damage tag from items when it is 0.f74c7b95
SPIGOT-4706: Can't interact with active item494eef45
Mention requirement of JIRA ticket for bug fixes51d62dec
SPIGOT-4702: Exception when middle clicking certain slotsbe557e69
SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN
83 lines
3.7 KiB
Diff
83 lines
3.7 KiB
Diff
From e2d85e74d938a2486d48169b69af45ffb70eb811 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 cac79686d8..c5b8354fa7 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 0467a8feab..5c041c48fa 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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@@ -12,6 +12,8 @@ import java.util.Collections;
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import java.util.Iterator;
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import java.util.Set;
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import javax.annotation.Nullable;
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+
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+import org.apache.commons.lang3.StringEscapeUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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@@ -748,6 +750,42 @@ 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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+ int length = testString.length();
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+ int multibytes = 0;
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+ if (byteLength != length) {
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+ for (char c : testString.toCharArray()) {
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+ if (c > 127) {
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+ multibytes++;
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+ }
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+ }
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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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+
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+ if (multibytes > 1) {
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+ // penalize MB
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+ byteAllowed -= multibytes;
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+ }
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+ }
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+
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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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+ }
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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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2.21.0
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