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Paper/patches/server/0021-Hook-into-CB-plugin-rewrites.patch
Jake Potrebic 9d8d38d137
Updated Upstream (CraftBukkit) (#10646) 
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

CraftBukkit Changes:
66fd94322 SPIGOT-7652: Remove remap for SPELL_MOB_AMBIENT which no longer exists
ecfa4f973 SPIGOT-7654: ItemStack#isSimilar does not work with empty BlockStateMeta
4460ecc49 SPIGOT-7655: ItemMeta#addItemFlags(ItemFlag.HIDE_ATTRIBUTES) not working when no attribute modifiers set
5d84f48a4 SPIGOT-7653: Update ApiVersion.CURRENT with latest version and include tests
2024-05-05 18:08:55 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach@zachbr.io>
Date: Wed, 3 Oct 2018 20:09:18 -0400
Subject: [PATCH] Hook into CB plugin rewrites
Allows us to do fun stuff like rewrite the OBC util fastutil location to
our own relocation. Also lets us rewrite NMS calls for when we're
debugging in an IDE pre-relocate.
diff --git a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
index 6f89eebc326c0dec6d18b0ca4ced3a1bb70ada55..3d3d77d66588aaf709a9f7688400ee661e181b4b 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
@@ -7,6 +7,7 @@ import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
+import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
@@ -16,6 +17,7 @@ import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.zip.ZipEntry;
+import javax.annotation.Nonnull;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
@@ -73,6 +75,40 @@ public class Commodore {
public static final List<Map<String, RerouteMethodData>> REROUTES = new ArrayList<>(); // Only used for testing
private static final Map<String, RerouteMethodData> FIELD_RENAME_METHOD_REROUTE = Commodore.createReroutes(FieldRename.class);
+ // Paper start - Plugin rewrites
+ private static final Map<String, String> SEARCH_AND_REMOVE = initReplacementsMap();
+ private static Map<String, String> initReplacementsMap() {
+ Map<String, String> getAndRemove = new HashMap<>();
+ // Be wary of maven shade's relocations
+
+ final java.util.jar.Manifest manifest = io.papermc.paper.util.JarManifests.manifest(Commodore.class);
+ if (Boolean.getBoolean( "debug.rewriteForIde") && manifest != null)
+ {
+ // unversion incoming calls for pre-relocate debug work
+ final String NMS_REVISION_PACKAGE = "v" + manifest.getMainAttributes().getValue("CraftBukkit-Package-Version") + "/";
+
+ getAndRemove.put("org/bukkit/".concat("craftbukkit/" + NMS_REVISION_PACKAGE), NMS_REVISION_PACKAGE);
+ }
+
+ return getAndRemove;
+ }
+
+ @Nonnull
+ private static String getOriginalOrRewrite(@Nonnull String original)
+ {
+ String rewrite = null;
+ for ( Map.Entry<String, String> entry : SEARCH_AND_REMOVE.entrySet() )
+ {
+ if ( original.contains( entry.getKey() ) )
+ {
+ rewrite = original.replace( entry.getValue(), "" );
+ }
+ }
+
+ return rewrite != null ? rewrite : original;
+ }
+ // Paper end - Plugin rewrites
+
public static void main(String[] args) {
OptionParser parser = new OptionParser();
OptionSpec<File> inputFlag = parser.acceptsAll(Arrays.asList("i", "input")).withRequiredArg().ofType(File.class).required();
@@ -199,9 +235,49 @@ public class Commodore {
@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
return new MethodVisitor(this.api, super.visitMethod(access, name, desc, signature, exceptions)) {
+ // Paper start - Plugin rewrites
+ @Override
+ public void visitTypeInsn(int opcode, String type) {
+ type = getOriginalOrRewrite(type);
+
+ super.visitTypeInsn(opcode, type);
+ }
+
+ @Override
+ public void visitFrame(int type, int nLocal, Object[] local, int nStack, Object[] stack) {
+ for (int i = 0; i < local.length; i++)
+ {
+ if (!(local[i] instanceof String)) { continue; }
+
+ local[i] = getOriginalOrRewrite((String) local[i]);
+ }
+
+ for (int i = 0; i < stack.length; i++)
+ {
+ if (!(stack[i] instanceof String)) { continue; }
+
+ stack[i] = getOriginalOrRewrite((String) stack[i]);
+ }
+
+ super.visitFrame(type, nLocal, local, nStack, stack);
+ }
+
+ @Override
+ public void visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index) {
+ descriptor = getOriginalOrRewrite(descriptor);
+
+ super.visitLocalVariable(name, descriptor, signature, start, end, index);
+ }
+ // Paper end - Plugin rewrites
@Override
public void visitFieldInsn(int opcode, String owner, String name, String desc) {
+ // Paper start - Rewrite plugins
+ owner = getOriginalOrRewrite(owner);
+ if (desc != null) {
+ desc = getOriginalOrRewrite(desc);
+ }
+ // Paper end
name = FieldRename.rename(pluginVersion, owner, name);
if (modern) {
@@ -297,6 +373,13 @@ public class Commodore {
return;
}
+ // Paper start - Rewrite plugins
+ owner = getOriginalOrRewrite(owner) ;
+ if (desc != null) {
+ desc = getOriginalOrRewrite(desc);
+ }
+ // Paper end - Rewrite plugins
+
if (modern) {
if (owner.equals("org/bukkit/Material") || (instantiatedMethodType != null && instantiatedMethodType.getDescriptor().startsWith("(Lorg/bukkit/Material;)"))) {
switch (name) {
@@ -400,6 +483,13 @@ public class Commodore {
@Override
public void visitLdcInsn(Object value) {
+ // Paper start
+ if (value instanceof Type type) {
+ if (type.getSort() == Type.OBJECT || type.getSort() == Type.ARRAY) {
+ value = Type.getType(getOriginalOrRewrite(type.getDescriptor()));
+ }
+ }
+ // Paper end
if (value instanceof String && ((String) value).equals("com.mysql.jdbc.Driver")) {
super.visitLdcInsn("com.mysql.cj.jdbc.Driver");
return;
@@ -410,6 +500,14 @@ public class Commodore {
@Override
public void visitInvokeDynamicInsn(String name, String descriptor, Handle bootstrapMethodHandle, Object... bootstrapMethodArguments) {
+ // Paper start - Rewrite plugins
+ name = getOriginalOrRewrite(name);
+ if (descriptor != null) {
+ descriptor = getOriginalOrRewrite(descriptor);
+ }
+ final String fName = name;
+ final String fDescriptor = descriptor;
+ // Paper end - Rewrite plugins
if (bootstrapMethodHandle.getOwner().equals("java/lang/invoke/LambdaMetafactory")
&& bootstrapMethodHandle.getName().equals("metafactory") && bootstrapMethodArguments.length == 3) {
Type samMethodType = (Type) bootstrapMethodArguments[0];
@@ -426,7 +524,7 @@ public class Commodore {
methodArgs.add(new Handle(newOpcode, newOwner, newName, newDescription, newItf));
methodArgs.add(newInstantiated);
- super.visitInvokeDynamicInsn(name, descriptor, bootstrapMethodHandle, methodArgs.toArray(Object[]::new));
+ super.visitInvokeDynamicInsn(fName, fDescriptor, bootstrapMethodHandle, methodArgs.toArray(Object[]::new)); // Paper - use final local vars
}, implMethod.getTag(), implMethod.getOwner(), implMethod.getName(), implMethod.getDesc(), implMethod.isInterface(), samMethodType, instantiatedMethodType);
return;
}
@@ -477,6 +575,12 @@ public class Commodore {
@Override
public FieldVisitor visitField(int access, String name, String descriptor, String signature, Object value) {
+ // Paper start - Rewrite plugins
+ descriptor = getOriginalOrRewrite(descriptor);
+ if ( signature != null ) {
+ signature = getOriginalOrRewrite(signature);
+ }
+ // Paper end
return new FieldVisitor(this.api, super.visitField(access, name, descriptor, signature, value)) {
@Override
public AnnotationVisitor visitAnnotation(String descriptor, boolean visible) {
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