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Improvements to Book Size checks

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If you downloaded the build before this, delete the settings.book-size
section in paper.yml to get new values.
This commit is contained in:
Aikar
2018-11-17 00:34:58 -05:00
parent 01d23876a6
commit 6ae3681d8c
1 changed files with 15 additions and 5 deletions
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20
Spigot-Server-Patches/Book-Size-Limits.patch
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@@ -6,7 +6,7 @@ Subject: [PATCH] Book Size Limits
Puts some limits on the size of books. Puts some limits on the size of books.
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index bc74ea2f09..ea18ba5880 100644 index bc74ea2f09..beec4e33c6 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java --- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -0,0 +0,0 @@ public class PaperConfig { @@ -0,0 +0,0 @@ public class PaperConfig {
@@ -14,15 +14,15 @@ index bc74ea2f09..ea18ba5880 100644
} }
} }
+ +
+ public static int maxBookPageSize = 640; + public static int maxBookPageSize = 2560;
+ public static double maxBookTotalSizeMultiplier = 0.9D; + public static double maxBookTotalSizeMultiplier = 0.98D;
+ private static void maxBookSize() { + private static void maxBookSize() {
+ maxBookPageSize = getInt("settings.book-size.page-max", maxBookPageSize); + maxBookPageSize = getInt("settings.book-size.page-max", maxBookPageSize);
+ maxBookTotalSizeMultiplier = getDouble("settings.book-size.total-multiplier", maxBookTotalSizeMultiplier); + maxBookTotalSizeMultiplier = getDouble("settings.book-size.total-multiplier", maxBookTotalSizeMultiplier);
+ } + }
} }
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 3427e95e60..c4136640d2 100644 index 3427e95e60..462ab49762 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java --- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java +++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable { @@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
@@ -46,9 +46,19 @@ index 3427e95e60..c4136640d2 100644
+ minecraftServer.postToMainThread(() -> this.disconnect("Book too large!")); + minecraftServer.postToMainThread(() -> this.disconnect("Book too large!"));
+ return; + return;
+ } + }
+ byteAllowed += (maxBookPageSize * multiplier); + int length = testString.length();
+ int multibytes = byteLength == length ? byteLength : (int) Math.round((double) byteLength / (double) length);
+ for (int x = 1; x < multibytes; x++) {
+ multiplier *= multiplier; + multiplier *= multiplier;
+ } + }
+ byteAllowed += (maxBookPageSize * Math.min(1, Math.max(0.1D, (double) length / 255D))) * multiplier;
+ multiplier *= multiplier;
+
+ if (multibytes > 1) {
+ // penalize MB some more
+ byteAllowed -= length;
+ }
+ }
+ } + }
+ // Paper end + // Paper end
// CraftBukkit start // CraftBukkit start