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TabooLib v4.56

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+ 修复 SimpleVersionControl 的一些漏洞，增加 useCache 方法并兼容热重载。
This commit is contained in:
坏黑 2018-10-14 20:35:12 +08:00
parent d793444dd5
commit 423ad56f0c
6 changed files with 33 additions and 21 deletions
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2
pom.xml
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@ -6,7 +6,7 @@
<groupId>me.skymc</groupId>
<artifactId>TabooLib</artifactId>
<version>4.55</version>
<version>4.56</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

2
src/main/java/me/skymc/taboolib/common/versioncontrol/SimpleClassVisitor.java
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@ -24,7 +24,7 @@ public class SimpleClassVisitor extends ClassVisitor {
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
super.visit(version, access, name, signature, translate(superName), translate(interfaces));
super.visit(version, access, name, translate(signature), translate(superName), translate(interfaces));
}
@Override

9
src/main/java/me/skymc/taboolib/common/versioncontrol/SimpleMethodVisitor.java
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@ -21,9 +21,14 @@ public class SimpleMethodVisitor extends MethodVisitor {
this.simpleVersionControl = simpleVersionControl;
}
@Override
public void visitMethodInsn(int opcode, String owner, String name, String descriptor) {
super.visitMethodInsn(opcode, translate(owner), translate(name), translate(descriptor));
}
@Override
public void visitMethodInsn(int opcode, String owner, String name, String descriptor, boolean isInterface) {
super.visitMethodInsn(opcode, translate(owner), name, translate(descriptor), isInterface);
super.visitMethodInsn(opcode, translate(owner), translate(name), translate(descriptor), isInterface);
}
@Override
@ -43,7 +48,7 @@ public class SimpleMethodVisitor extends MethodVisitor {
@Override
public void visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index) {
super.visitLocalVariable(name, translate(descriptor), translate(signature), start, end, index);
super.visitLocalVariable(translate(name), translate(descriptor), translate(signature), start, end, index);
}
private String translate(String target) {

23
src/main/java/me/skymc/taboolib/common/versioncontrol/SimpleVersionControl.java
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@ -11,8 +11,9 @@ import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @Author sky
@ -20,12 +21,15 @@ import java.util.List;
*/
public class SimpleVersionControl {
private static Map<String, Class<?>> cacheClasses = new HashMap<>();
private String target;
private List<String> from = Lists.newArrayList();
private String to;
private List<String> from = Lists.newArrayList();
private Plugin plugin;
private boolean useCache;
SimpleVersionControl() {
useCache = false;
}
public static SimpleVersionControl create() {
@ -61,18 +65,30 @@ public class SimpleVersionControl {
return this;
}
public SimpleVersionControl useCache() {
this.useCache = true;
return this;
}
public Class<?> translate() throws IOException {
return translate(plugin);
}
public Class<?> translate(Plugin plugin) throws IOException {
if (useCache && cacheClasses.containsKey(target)) {
return cacheClasses.get(target);
}
ClassReader classReader = new ClassReader(FileUtils.getResource(plugin, target.replace(".", "/") + ".class"));
ClassWriter classWriter = new ClassWriter(0);
ClassVisitor classVisitor = new SimpleClassVisitor(this, classWriter);
classReader.accept(classVisitor, 0);
classWriter.visitEnd();
classVisitor.visitEnd();
return AsmClassLoader.createNewClass(target, classWriter.toByteArray());
Class<?> newClass = AsmClassLoader.createNewClass(target, classWriter.toByteArray());
if (useCache) {
cacheClasses.put(target, newClass);
}
return newClass;
}
// *********************************
@ -99,4 +115,5 @@ public class SimpleVersionControl {
}
return origin;
}
}

9
src/main/java/me/skymc/taboolib/fileutils/FileUtils.java
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@ -134,14 +134,7 @@ public class FileUtils {
* @return {@link InputStream}
*/
public static InputStream getResource(Plugin plugin, String filename) {
try {
URL url = plugin.getClass().getClassLoader().getResource(filename);
URLConnection connection = url.openConnection();
connection.setUseCaches(false);
return connection.getInputStream();
} catch (IOException ignored) {
return null;
}
return plugin.getClass().getClassLoader().getResourceAsStream(filename);
}
/**

7
src/main/java/me/skymc/taboolib/string/ArrayUtils.java
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@ -2,10 +2,7 @@ package me.skymc.taboolib.string;
import com.ilummc.tlib.util.Strings;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.*;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collections;
@ -64,7 +61,7 @@ public class ArrayUtils {
return (T) newArray;
}
public static <T> T cloneAsByte(T obj) throws Exception {
public static <T> T cloneAsByte(T obj) throws IOException, ClassNotFoundException {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
objectOutputStream.writeObject(obj);