Aspose Office 的应用
发布时间：2020-12-15 07:52:06 所属栏目：Java 来源：网络整理
导读：注意：笔者使用的aspose office 的 jar 包版本 ： 18.6（aspose-XXX-18.8-java） -------------------------------------------------------------------------------------------------------------- 使用到的工具 ：?jd-gui.exe --- Java反编译工具。 java
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注意：笔者使用的aspose office 的 jar 包版本 ： 18.6（aspose-XXX-18.8-java） -------------------------------------------------------------------------------------------------------------- 使用到的工具 ：?jd-gui.exe --- Java反编译工具。 javassist --- Java动态编程。
<dependency> <groupId>javassist</groupId> <artifactId>javassist</artifactId> <version>3.12.1.GA</version> </dependency> ? 应用思路 ： 先找到 License 类，再找到?License 中 setLicense( ) 方法 调用的 关键类 ( 就是用于加密的类 ) ，然后利用 javassist 技术 修改 加密类里的 加密方法 --------------------------------------------------------------------------------------------------------- jar处理 aspose-words-18.8-jdk16.jar ?License 类的方法 //我们调用的是这个方法进行加密验证的 //此方法主要是调用 zzZLR 对象的 zzX( ) 方法进行加密验证的。 public void setLicense(InputStream stream) throws Exception { if (stream == null) { throw new NullPointerException("stream"); } zzZLR zzZLR; (zzZLR = new zzZLR()).zzX(stream); } public void setLicense(String licenseName) throws Exception { if (licenseName == null) { throw new NullPointerException("licenseName"); } zzZLR zzZLR; (zzZLR = new zzZLR()).zzY(licenseName,zz2R.zzzS()); } zzZLR类的关键方法 ： （要找到与加密相关的方法） private static void zzZ(Node paramNode1,Node paramNode2) throws Exception { byte[] arrayOfByte2; byte[] arrayOfByte1; if (paramNode1 != null) { zzZ(arrayOfByte2 = new StringBuilder(),paramNode1); arrayOfByte1 = arrayOfByte2.toString().getBytes("UTF-16LE"); } else { arrayOfByte1 = new byte[0]; } if (paramNode2 != null) { String str1,str2; arrayOfByte2 = zz30.decode(str2 = str1 = paramNode2.getFirstChild().getNodeValue()); } else { arrayOfByte2 = new byte[0]; } try { zzZ(arrayOfByte1,arrayOfByte2,"0nRuwNEddXwLfXB7pw66G71MS93gW8mNzJ7vuh3Sf4VAEOBfpxtHLCotymv1PoeukxYe31K441Ivq0Pkvx1yZZG4O1KCv3Omdbs7uqzUB4xXHlOub4VsTODzDJ5MWHqlRCB1HHcGjlyT2sVGiovLt0Grvqw5+QXBuinoBY0suX0=","SHA1withRSA"); return; } catch (Exception exception) { zzZ(arrayOfByte1,"3ki45T6C4lt12J5MbKfrADBCZcE8OTefdngc9IDKg+lzCGYLuxJFDt16awhJFnA23sX+kQ4/eZQ5pNAYjc+ZJ0+pWwvQR4h8GJ3eWvecdFs7KSWwNmFXZCSN+sbrxwEjzzns1kIHuLNf5r+Zaggns+8rqXR19RSJBOcuFqVipIHv56lF53Hc+hx+y9URIaadO1W8dkTqgwExyfjnbDOaCBEH0CqUL1YIICS/wIUTEKhM0ZlwEcIcHl8XTHLVx96DMX4bbVajj78L4KzevQc442DX28KGDJTveEB1pSKWsr0d4FTx7wKS36RBnWv5lwsRErtTZb5ciVIG1iIJrp87VQ==","SHA256withRSA"); return; } } /* * 这是关键方法，涉及到加密内容的 ；使用的是JDK的 KeyFactory类进行加密的，采用的算法是 RSA * 【注意】 ：这就是我们要修改的地方 */ private static void zzZ(byte[] paramArrayOfByte1,byte[] paramArrayOfByte2,String paramString1,String paramString2) throws Exception { Signature signature = Signature.getInstance(paramString2); String str3 = "AQAB"; String str1,str2,str4; byte[] arrayOfByte1 = zz30.decode(str4 = str2 = str1 = paramString1); byte[] arrayOfByte2 = zz30.decode(str4 = str3); arrayOfByte1 = zzZg(arrayOfByte1); arrayOfByte2 = zzZg(arrayOfByte2); BigInteger bigInteger1 = new BigInteger(1,arrayOfByte1); BigInteger bigInteger2 = new BigInteger(1,arrayOfByte2); RSAPublicKeySpec rSAPublicKeySpec = new RSAPublicKeySpec(bigInteger1,bigInteger2); PublicKey publicKey = KeyFactory.getInstance("RSA").generatePublic(rSAPublicKeySpec); signature.initVerify(publicKey); signature.update(paramArrayOfByte1); if (!signature.verify(paramArrayOfByte2)) { throw new IllegalStateException("The signature is invalid."); } } private static String zzZ(Element paramElement,String paramString) { Element element; return ((element = zzX(paramElement,paramString)) != null) ? element.getFirstChild().getNodeValue() : ""; } private static void zzZ(StringBuilder paramStringBuilder,Node paramNode) { if (paramNode.getNodeType() == 1) { paramStringBuilder.append(‘<‘); paramStringBuilder.append(paramNode.getNodeName()); paramStringBuilder.append(‘>‘); NodeList nodeList1,nodeList2; Node node; if (((nodeList2 = nodeList1 = paramNode.getChildNodes()) != null && nodeList2.getLength() == 1 && (node = nodeList2.item(false)) != null && node.getNodeType() == 3)) { Node node1; String str = (str = (str = (str = (node1 = nodeList1.item(0)).getNodeValue()).replace("&","&")).replace("<","<")).replace(">",">"); paramStringBuilder.append(str); } else { for (byte b = 0; b < nodeList1.getLength(); b++) zzZ(paramStringBuilder,nodeList1.item(b)); } paramStringBuilder.append(‘<‘); paramStringBuilder.append(‘/‘); paramStringBuilder.append(paramNode.getNodeName()); paramStringBuilder.append(‘>‘); } } ? 修改 zzZLR 的?zzZ(byte[] paramArrayOfByte1,byte[] paramArrayOfByte2,String paramString2)方法。 @Test public void changeMethod() throws Exception { ClassPool.getDefault().insertClassPath( "E:/18.8/aspose-words-18.8-java/lib/aspose-words-18.8-jdk16.jar"); CtClass c2 = ClassPool.getDefault().getCtClass("com.aspose.words.zzZLR"); CtMethod[] ms = c2.getDeclaredMethods(); for (CtMethod c : ms) { // System.out.println(c.getName()); CtClass[] ps = c.getParameterTypes(); // for (CtClass cx : ps) { System.out.println("t" + cx.getName()); } if (c.getName().equals("zzZ") && ps.length == 4 ) { c.insertBefore("{return;}");//替换整个方法体。 } // if (c.getName().equals("zzZ") && ps.length == 2 && ps[0].getName().equals("org.w3c.dom.Node") && ps[1].getName().equals("org.w3c.dom.Node")) { // c.insertBefore("{return;}"); } } // c2.writeFile();//写到原文件里 c2.writeFile("E:/18.8");//把重写的 zzZ 类写到指定的目录下 } ? 用解压工具（zip）查看?aspose-words-18.8-jdk16.jar ， 然后用新生成的 zzZ类 替换jar文件里原来 zzZ类； 把jar文件里的删除jar文件中的 META-INF文件夹删掉（ 防止文件指纹校验 ） ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- aspose-cells-18.8.jar 要修改的关键方法（License 类的方法 ） /* * 这就加密关键所在 * JDK加密关键类和词 ：KeyFactory Signature RSAPublicKeySpec ，采用的算法是RSA * */ private static boolean a(String paramString1,String paramString2) { if (paramString1.equals(zj.a(new byte[] { -93,-121,-74,46,120,126,-63,125,-97,-20,-27,-44,61,-47,-83,-94,93,-67 }))) { paramString1 = zj.a(new byte[] { 108,19,-21,22,-117,124,3,-35,-84,-108,-125,-104,-75,-68,10,-106,45,98,30,-67,-67 }); } else { paramString1 = paramString1.replaceAll(zj.a(new byte[] { -90,-102,-13,40,105,1,-111,125 },),zj.a(new byte[] { -124,-114,-53,-118,2,-112,-3,-67 })); } PublicKey publicKey = null; try { KeyFactory keyFactory = KeyFactory.getInstance(zj.a(new byte[] { 32,37,-48,-122,-96,-69,49,-67 })); RSAPublicKeySpec rSAPublicKeySpec = new RSAPublicKeySpec(new BigInteger(1,zcq.a(h,zj.a(new byte[] { 72,-46,-7,81,-27,-67 }))),new BigInteger(1,zcq.a(i,zj.a(new byte[] { -13,-24,23,17,-26,42,67,-72,85,32,45,-67 })))); publicKey = keyFactory.generatePublic(rSAPublicKeySpec); Signature signature = null; byte[] arrayOfByte1 = null; byte[] arrayOfByte2 = paramString1.getBytes(zj.a(new byte[] { -104,-23,14,-59,-2,-100,-110,13,-67 })); arrayOfByte1 = zcq.a(paramString2,zj.a(new byte[] { 103,36,50,8,122,-15,99,52,100,-67,-67 })); signature = Signature.getInstance(zj.a(new byte[] { -23,106,-116,102,44,-55,-120,-10,43,109,-3 })); signature.initVerify(publicKey); signature.update(arrayOfByte2); if (!signature.verify(arrayOfByte1)) { rSAPublicKeySpec = new RSAPublicKeySpec(new BigInteger(1,zcq.a(j,zj.a(new byte[] { 25,38,-51,-88,31,-111,-67 }))),zj.a(new byte[] { 90,71,98,-73,108,-99,-85,-67 })))); publicKey = keyFactory.generatePublic(rSAPublicKeySpec); signature = Signature.getInstance(zj.a(new byte[] { 124,-56,11,15,119,-91,62,-124,-51,53,-41,-105,76,-100,29,61 })); signature.initVerify(publicKey); signature.update(arrayOfByte2); if (!signature.verify(arrayOfByte1)) return false; } } catch (Exception exception) { return false; } return true; } ? 修改关键方法 @Test public void changeMethod() throws Exception { ClassPool.getDefault().insertClassPath( "E:/18.8/aspose-cells-18.8-java/JDK 1.6/aspose-cells-18.8-java/lib/aspose-cells-18.8.jar"); CtClass c2 = ClassPool.getDefault().getCtClass("com.aspose.cells.License"); CtMethod[] ms = c2.getDeclaredMethods(); for (CtMethod c : ms) { // System.out.println(c.getName()); CtClass[] ps = c.getParameterTypes(); // for (CtClass cx : ps) { System.out.println("t" + cx.getName()); } if (c.getName().equals("a") && ps.length == 2 && ps[0].getName().equals("java.lang.String") && ps[1].getName().equals("java.lang.String")) { c.insertBefore("{return true;}");//替换整个方法体。 } // if (c.getName().equals("zzZ") && ps.length == 2 && ps[0].getName().equals("org.w3c.dom.Node") && ps[1].getName().equals("org.w3c.dom.Node")) { // c.insertBefore("{return;}"); } } // c2.writeFile();//写到原文件里 c2.writeFile("E:/18.8");//把重写的 zzZ 类写到指定的目录下 } ? 然后就是替换类，删除META-INF文件夹。 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ aspose-slides-18.8-jdk16.jar 关键方法：（com.aspose.slides.internal.k5.return类的方法） /* * 这就加密关键所在 * JDK加密关键类和词 ：KeyFactory Signature RSAPublicKeySpec ，采用的算法是RSA */ private static void do(Node paramNode1,Node paramNode2) { PublicKey publicKey = null; try { KeyFactory keyFactory = KeyFactory.getInstance("RSA"); RSAPublicKeySpec rSAPublicKeySpec = void.do(); publicKey = keyFactory.generatePublic(rSAPublicKeySpec); } catch (Exception exception) { (new float() { }).do((new throws() { },).if,exception); } try { String str1 = (paramNode1 != null) ? do(paramNode1) : ""; byte[] arrayOfByte1 = str1.getBytes("UTF-16LE"); String str2 = (paramNode2 != null) ? paramNode2.getFirstChild().getNodeValue() : ""; byte[] arrayOfByte2 = try.do(str2); Signature signature = Signature.getInstance("SHA1withRSA"); signature.initVerify(publicKey); signature.update(arrayOfByte1); if (!signature.verify(arrayOfByte2)) (new float() { }).do((new throws() { }).for); } catch (Exception exception) { (new float() { }).do((new throws() { },).int,exception); } } ? 修改关键方法 @Test public void changeMethod() throws Exception { ............ if (c.getName().equals("do") && ps.length == 2 && ps[0].getName().equals("org.w3c.dom.Node") && ps[1].getName().equals("org.w3c.dom.Node")) { c.insertBefore("{return;}"); } ............. } 然后就是替换类，删除META-INF文件夹。 到此，word,excel,ppt 的 jar处理完毕 ------------------------------------------------------------------------------------------- 以下是具体的代码。? aspose office 的监听文件，放在项目类路径下 ： <?xml version="1.0" encoding="UTF-8"?> <License> <Data> <Products> <Product>Aspose.Words for Java</Product> <Product>Aspose.Slides for Java</Product> <Product>Aspose.Cells for Java</Product> </Products> <EditionType>Enterprise</EditionType> <SubscriptionExpiry>29991231</SubscriptionExpiry> <LicenseExpiry>29991231</LicenseExpiry> <SerialNumber>---</SerialNumber> </Data> <Signature>---</Signature> </License> aspose office 操作工具类
public abstract class AspoSEOfficeUtil {
/**
* 全面支持DOC,DOCX,OOXML,RTF HTML,OpenDocument,PDF,EPUB,XPS,SWF 相互转换
* @param from
* @param to
* @throws Exception
*/
public static String word(String from,String to) throws Exception {
if (!getWordLicense()) throw new Exception("com.aspose.words lic ERROR!");
File file = new File(to); //新建一个空白pdf文档
try {
long old = System.currentTimeMillis();
FileOutputStream os = new FileOutputStream(file);
Document doc = new Document(from); //Address是将要被转化的word文档
doc.save(os,com.aspose.words.SaveFormat.PDF);//全面支持DOC,SWF 相互转换
long now = System.currentTimeMillis();
System.out.println("共耗时：" + ((now - old) / 1000.0) + "秒"); //转化用时
} catch (Exception e) {
e.printStackTrace();
}
//return file.getName();
return file.getPath();
}
public static String excel(String form,String to) throws Exception {
if (!getExcelLicense()) throw new Exception("com.aspose.words lic ERROR!");
File file = new File(to);// 输出路径
try {
long old = System.currentTimeMillis();
Workbook wb = new Workbook(form);// 原始excel路径
FileOutputStream fileOS = new FileOutputStream(file);
wb.save(fileOS,com.aspose.cells.SaveFormat.PDF);
fileOS.close();
long now = System.currentTimeMillis();
System.out.println("共耗时：" + ((now - old) / 1000.0) + "秒nn" + "文件保存在:" + file.getPath()); //转化过程耗时
} catch (Exception e) {
e.printStackTrace();
}
//return file.getName();
return file.getPath();
}
public static String ppt(String form,String to) throws Exception {
// 验证License
if (!getPPTLicense()) throw new Exception("com.aspose.words lic ERROR!");
File file = new File(to);// 输出pdf路径
try {
long old = System.currentTimeMillis();
Presentation pres = new Presentation(form);//输入pdf路径
FileOutputStream fileOS = new FileOutputStream(file);
pres.save(fileOS,com.aspose.slides.SaveFormat.Pdf);
fileOS.close();
long now = System.currentTimeMillis();
System.out.println("共耗时：" + ((now - old) / 1000.0) + "秒nn" + "文件保存在:" + file.getPath()); //转化过程耗时
} catch (Exception e) {
e.printStackTrace();
}
//return file.getName();
return file.getPath();
}
private static boolean getWordLicense(){
boolean result = false;
try {
InputStream is =AspoSEOfficeUtil.class.getClassLoader().getResourceAsStream("license.xml");
com.aspose.words.License aposeLic = new com.aspose.words.License();
aposeLic.setLicense(is);
result = true;
} catch (Exception e) {
}
return result;
}
private static boolean getExcelLicense(){
boolean result = false;
try {
InputStream is =AspoSEOfficeUtil.class.getClassLoader().getResourceAsStream("license.xml");
com.aspose.cells.License aposeLic = new com.aspose.cells.License();
aposeLic.setLicense(is);
result = true;
} catch (Exception e) {
}
return result;
}
private static boolean getPPTLicense(){
boolean result = false;
try {
InputStream is =AspoSEOfficeUtil.class.getClassLoader().getResourceAsStream("license.xml");
com.aspose.slides.License aposeLic = new com.aspose.slides.License();
aposeLic.setLicense(is);
result = true;
} catch (Exception e) {
}
return result;
}
public static void main(String[] args) throws Exception {
// System.out.println(getWordLicense());
// System.out.println(getExcelLicense());
// System.out.println(getPPTLicense());
// word("E:/office/wdp.docx","E:/office/pdf/docx2pdf.pdf");
// word("E:/office/wdp2.doc","E:/office/pdf/doc2pdf.pdf");
// excel("E:/office/wdp.xlsx","E:/office/pdf/xlsx2pdf.pdf");
// excel("E:/office/wdp2.xls","E:/office/pdf/xls2pdf.pdf");
// ppt("E:/office/wdp.pptx","E:/office/pdf/pptx2pdf.pdf");
// ppt("E:/office/wdp2.ppt","E:/office/pdf/ppt2pdf.pdf");
}
}
注意 ；com.aspose.XXX.SaveFormat.XXX,不只是pdf,还有很多类型? html svg odp 等。 资源路径 ：?https://pan.baidu.com/s/1HBuLI7n8vV5CjQwpzhLNiw （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
