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@@ -0,0 +1,125 @@
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+package com.test;
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+
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+import org.apache.ibatis.javassist.*;
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+
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+import java.io.*;
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+import java.util.ArrayList;
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+import java.util.Enumeration;
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+import java.util.List;
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+import java.util.jar.JarEntry;
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+import java.util.jar.JarFile;
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+import java.util.jar.JarOutputStream;
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+
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+/**
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+ * 找到你的jar包地址，引入依赖的去maven仓库地址找到jar，将地址填入代码中的jarPath，运行Main方法会在jar包统计目录下生成破解的包
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+ * aspose-pdf-22.4.cracked.jar,替换掉原来jar包就可以了
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+ * @author wukai
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+ *
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+ */
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+public class PDFJarCrack {
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+ public static void main(String[] args) throws Exception {
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+ String jarPath = "jar包地址";
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+ crack(jarPath);
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+ }
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+
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+ private static void crack(String jarName) {
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+ try {
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+ ClassPool.getDefault().insertClassPath(jarName);
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+ CtClass ctClass = ClassPool.getDefault().getCtClass("com.aspose.pdf.ADocument");
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+ CtMethod[] declaredMethods = ctClass.getDeclaredMethods();
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+ int num = 0;
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+ for (int i = 0; i < declaredMethods.length; i++) {
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+ if (num == 2) {
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+ break;
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+ }
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+ CtMethod method = declaredMethods[i];
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+ CtClass[] ps = method.getParameterTypes();
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+ if (ps.length == 2
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+ && method.getName().equals("lI")
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+ && ps[0].getName().equals("com.aspose.pdf.ADocument")
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+ && ps[1].getName().equals("int")) {
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+ // 最多只能转换4页 处理
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+ System.out.println(method.getReturnType());
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+ System.out.println(ps[1].getName());
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+ method.setBody("{return false;}");
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+ num = 1;
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+ }
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+ if (ps.length == 0 && method.getName().equals("lt")) {
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+ // 水印处理
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+ method.setBody("{return true;}");
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+ num = 2;
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+ }
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+ }
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+ File file = new File(jarName);
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+ ctClass.writeFile(file.getParent());
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+ disposeJar(jarName, file.getParent() + "/com/aspose/pdf/ADocument.class");
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+ } catch (NotFoundException e) {
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+ e.printStackTrace();
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+ } catch (CannotCompileException e) {
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+ e.printStackTrace();
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+
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+ }
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+
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+ private static void disposeJar(String jarName, String replaceFile) {
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+ List<String> deletes = new ArrayList<>();
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+ deletes.add("META-INF/37E3C32D.SF");
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+ deletes.add("META-INF/37E3C32D.RSA");
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+ File oriFile = new File(jarName);
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+ if (!oriFile.exists()) {
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+ System.out.println("######Not Find File:" + jarName);
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+ return;
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+ }
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+ //将文件名命名成备份文件
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+ String bakJarName = jarName.substring(0, jarName.length() - 3) + "cracked.jar";
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+ // File bakFile=new File(bakJarName);
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+ try {
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+ //创建文件（根据备份文件并删除部分）
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+ JarFile jarFile = new JarFile(jarName);
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+ JarOutputStream jos = new JarOutputStream(new FileOutputStream(bakJarName));
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+ Enumeration entries = jarFile.entries();
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+ while (entries.hasMoreElements()) {
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+ JarEntry entry = (JarEntry) entries.nextElement();
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+ if (!deletes.contains(entry.getName())) {
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+ if (entry.getName().equals("com/aspose/pdf/ADocument.class")) {
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+ System.out.println("Replace:-------" + entry.getName());
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+ JarEntry jarEntry = new JarEntry(entry.getName());
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+ jos.putNextEntry(jarEntry);
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+ FileInputStream fin = new FileInputStream(replaceFile);
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+ byte[] bytes = readStream(fin);
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+ jos.write(bytes, 0, bytes.length);
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+ } else {
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+ jos.putNextEntry(entry);
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+ byte[] bytes = readStream(jarFile.getInputStream(entry));
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+ jos.write(bytes, 0, bytes.length);
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+ }
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+ } else {
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+ System.out.println("Delete:-------" + entry.getName());
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+ }
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+ }
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+ jos.flush();
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+ jos.close();
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+ jarFile.close();
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+ } catch (FileNotFoundException e) {
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+ e.printStackTrace();
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+ private static byte[] readStream(InputStream inStream) throws Exception {
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+ ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
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+ byte[] buffer = new byte[1024];
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+ int len = -1;
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+ while ((len = inStream.read(buffer)) != -1) {
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+ outSteam.write(buffer, 0, len);
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+ }
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+ outSteam.close();
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+ inStream.close();
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+ return outSteam.toByteArray();
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+ }
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+}
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