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https://github.com/PaperMC/Paper.git
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52 lines
2.6 KiB
Diff
52 lines
2.6 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach.brown@destroystokyo.com>
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Date: Sat, 13 May 2017 20:11:21 -0500
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Subject: [PATCH] Add system property to disable book size limits
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If anyone comes in with a watchdog crash related to books after this patch
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you will not only be publicly shamed but also made an example of.
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Disables the security limits on books entirely, allowing plugins AND players
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to make books with as much data as they want. Do not use this without
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limiting incoming data from packets in some other way.
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBook.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBook.java
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index 65b6d32e3e1130a64df33082f3292cb1ce6f500a..1a4c1763e883e445433b3780fe20db7f62b780e8 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBook.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBook.java
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@@ -41,6 +41,7 @@ public class CraftMetaBook extends CraftMetaItem implements BookMeta {
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static final int MAX_PAGES = 100;
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static final int MAX_PAGE_LENGTH = 320; // 256 limit + 64 characters to allow for psuedo colour codes
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static final int MAX_TITLE_LENGTH = 32;
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+ private static final boolean OVERRIDE_CHECKS = Boolean.getBoolean("disable.book-limits"); // Paper - Add override
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protected String title;
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protected String author;
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@@ -243,7 +244,7 @@ public class CraftMetaBook extends CraftMetaItem implements BookMeta {
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if (title == null) {
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this.title = null;
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return true;
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- } else if (title.length() > MAX_TITLE_LENGTH) {
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+ } else if (title.length() > MAX_TITLE_LENGTH && !OVERRIDE_CHECKS) { // Paper - Add override
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return false;
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}
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@@ -440,7 +441,7 @@ public class CraftMetaBook extends CraftMetaItem implements BookMeta {
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String validatePage(String page) {
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if (page == null) {
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page = "";
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- } else if (page.length() > MAX_PAGE_LENGTH) {
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+ } else if (page.length() > MAX_PAGE_LENGTH && !OVERRIDE_CHECKS) { // Paper - Add override
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page = page.substring(0, MAX_PAGE_LENGTH);
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}
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return page;
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@@ -450,7 +451,7 @@ public class CraftMetaBook extends CraftMetaItem implements BookMeta {
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// asserted: page != null
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if (this.pages == null) {
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this.pages = new ArrayList<String>();
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- } else if (this.pages.size() >= MAX_PAGES) {
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+ } else if (this.pages.size() >= MAX_PAGES && !OVERRIDE_CHECKS) {// Paper - Add override
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return;
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}
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this.pages.add(page);
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