mirror of
https://github.com/PaperMC/Paper.git
synced 2024-09-03 02:20:51 +02:00
d8847bc1f3
Upstream has released updates that appear 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: fde5602a PR-927: Add PlayerRecipeBookSettingsChangeEvent 949ff217 PR-930: Add methods to get/set evoker fang attack delay f6f7c79d SPIGOT-7514, PR-929: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics d40e22da PR-712: Add API to get full result of crafting items CraftBukkit Changes: c8feb0629 PR-1291: Improve precondition message in Entity#playEffect 482c56a00 PR-1285: Add PlayerRecipeBookSettingsChangeEvent cdf798800 PR-1290: Add methods to get/set evoker fang attack delay 2c1b5f78f SPIGOT-7514, PR-1289: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics 6aa644ae9 PR-992: Add API to get full result of crafting items ffb1319bc PR-1287: Fix scoreboards not updating in Player#setStatistic
58 lines
3.0 KiB
Diff
58 lines
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Aikar <aikar@aikar.co>
|
|
Date: Fri, 16 Nov 2018 23:08:50 -0500
|
|
Subject: [PATCH] Book Size Limits
|
|
|
|
Puts some limits on the size of books.
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
|
|
index 52b386b608fab59fe930885c0951f9674a257d69..78b902277521e2e6b33c971f61d27193ab2fc4f8 100644
|
|
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
|
|
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
|
|
@@ -1024,6 +1024,45 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
|
|
|
|
@Override
|
|
public void handleEditBook(ServerboundEditBookPacket packet) {
|
|
+ // Paper start
|
|
+ if (!this.cserver.isPrimaryThread()) {
|
|
+ List<String> pageList = packet.getPages();
|
|
+ long byteTotal = 0;
|
|
+ int maxBookPageSize = io.papermc.paper.configuration.GlobalConfiguration.get().itemValidation.bookSize.pageMax;
|
|
+ double multiplier = Math.max(0.3D, Math.min(1D, io.papermc.paper.configuration.GlobalConfiguration.get().itemValidation.bookSize.totalMultiplier));
|
|
+ long byteAllowed = maxBookPageSize;
|
|
+ for (String testString : pageList) {
|
|
+ int byteLength = testString.getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
|
|
+ if (byteLength > 256 * 4) {
|
|
+ ServerGamePacketListenerImpl.LOGGER.warn(this.player.getScoreboardName() + " tried to send a book with with a page too large!");
|
|
+ server.scheduleOnMain(() -> this.disconnect("Book too large!"));
|
|
+ return;
|
|
+ }
|
|
+ byteTotal += byteLength;
|
|
+ int length = testString.length();
|
|
+ int multibytes = 0;
|
|
+ if (byteLength != length) {
|
|
+ for (char c : testString.toCharArray()) {
|
|
+ if (c > 127) {
|
|
+ multibytes++;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ byteAllowed += (maxBookPageSize * Math.min(1, Math.max(0.1D, (double) length / 255D))) * multiplier;
|
|
+
|
|
+ if (multibytes > 1) {
|
|
+ // penalize MB
|
|
+ byteAllowed -= multibytes;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (byteTotal > byteAllowed) {
|
|
+ ServerGamePacketListenerImpl.LOGGER.warn(this.player.getScoreboardName() + " tried to send too large of a book. Book Size: " + byteTotal + " - Allowed: "+ byteAllowed + " - Pages: " + pageList.size());
|
|
+ server.scheduleOnMain(() -> this.disconnect("Book too large!"));
|
|
+ return;
|
|
+ }
|
|
+ }
|
|
+ // Paper end
|
|
// CraftBukkit start
|
|
if (this.lastBookTick + 20 > MinecraftServer.currentTick) {
|
|
this.disconnect("Book edited too quickly!");
|