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Code Issues Projects Releases Packages Wiki Activity

Remove arbitrary book page limit (#11228)

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This commit is contained in:
Lulu13022002 2024-08-12 00:30:23 +02:00
parent 794e2754b5
commit 4c7b6f5c05
3 changed files with 18 additions and 19 deletions
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11
patches/server/Add-PlayerKickEvent-causes.patch
View file

@ -285,18 +285,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
}
this.player.getInventory().pickSlot(packet.getSlot()); // Paper - Diff above if changed
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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!");
- this.disconnect(Component.literal("Book too large!"));
+ this.disconnect(Component.literal("Book too large!"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause
return;
}
byteTotal += byteLength;
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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());
ServerGamePacketListenerImpl.LOGGER.warn("{} tried to send a book too large. Book size: {} - Allowed: {} - Pages: {}", this.player.getScoreboardName(), byteTotal, byteAllowed, pageList.size());
- this.disconnect(Component.literal("Book too large!"));
+ this.disconnect(Component.literal("Book too large!"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause
return;

13
patches/server/Book-Size-Limits.patch → patches/server/Book-size-limits.patch
View file

@ -1,7 +1,7 @@
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
Subject: [PATCH] Book size limits
Puts some limits on the size of books.
@ -18,15 +18,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ List<String> pageList = packet.pages();
+ 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));
+ double multiplier = Math.clamp(io.papermc.paper.configuration.GlobalConfiguration.get().itemValidation.bookSize.totalMultiplier, 0.3D, 1D);
+ 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!");
+ this.disconnect(Component.literal("Book too large!"));
+ return;
+ }
+ byteTotal += byteLength;
+ int length = testString.length();
+ int multibytes = 0;
@ -37,7 +32,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ }
+ }
+ }
+ byteAllowed += (maxBookPageSize * Math.min(1, Math.max(0.1D, (double) length / 255D))) * multiplier;
+ byteAllowed += maxBookPageSize * Math.clamp((double) length / 255D, 0.1D, 1) * multiplier;
+
+ if (multibytes > 1) {
+ // penalize MB
@ -46,7 +41,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ }
+
+ 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());
+ ServerGamePacketListenerImpl.LOGGER.warn("{} tried to send a book too large. Book size: {} - Allowed: {} - Pages: {}", this.player.getScoreboardName(), byteTotal, byteAllowed, pageList.size());
+ this.disconnect(Component.literal("Book too large!"));
+ return;
+ }

13
patches/server/Improve-tag-parser-handling.patch
View file

@ -109,6 +109,19 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/network/chat/contents/SelectorContents.java b/src/main/java/net/minecraft/network/chat/contents/SelectorContents.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/chat/contents/SelectorContents.java
+++ b/src/main/java/net/minecraft/network/chat/contents/SelectorContents.java
@@ -0,0 +0,0 @@ public class SelectorContents implements ComponentContents {
EntitySelectorParser entitySelectorParser = new EntitySelectorParser(new StringReader(pattern), true);
entitySelector = entitySelectorParser.parse();
} catch (CommandSyntaxException var3) {
- LOGGER.warn("Invalid selector component: {}: {}", pattern, var3.getMessage());
+ return null; // Paper
}
return entitySelector;
diff --git a/src/main/java/net/minecraft/network/chat/contents/TranslatableContents.java b/src/main/java/net/minecraft/network/chat/contents/TranslatableContents.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/chat/contents/TranslatableContents.java