jodconverter转换带密码office文件

server/src/main/java/cn/keking/service/OfficeToPdfService.java

@@ -1,12 +1,17 @@
 package cn.keking.service;
 
+import cn.keking.model.FileAttribute;
+import com.sun.star.document.UpdateDocMode;
+import org.apache.commons.lang3.StringUtils;
 import org.jodconverter.core.office.OfficeException;
-import org.jodconverter.local.JodConverter;
+import org.jodconverter.local.LocalConverter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
 import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * @author yudian-it
@@ -16,22 +21,33 @@ public class OfficeToPdfService {
 
     private final static Logger logger = LoggerFactory.getLogger(OfficeToPdfService.class);
 
-    public void openOfficeToPDF(String inputFilePath, String outputFilePath) throws OfficeException {
-        office2pdf(inputFilePath, outputFilePath);
+    public void openOfficeToPDF(String inputFilePath, String outputFilePath, FileAttribute fileAttribute) throws OfficeException {
+        office2pdf(inputFilePath, outputFilePath, fileAttribute);
     }
 
 
-    public static void converterFile(File inputFile, String outputFilePath_end) throws OfficeException {
+    public static void converterFile(File inputFile, String outputFilePath_end, FileAttribute fileAttribute) throws OfficeException {
         File outputFile = new File(outputFilePath_end);
         // 假如目标路径不存在,则新建该路径
         if (!outputFile.getParentFile().exists() && !outputFile.getParentFile().mkdirs()) {
             logger.error("创建目录【{}】失败，请检查目录权限！",outputFilePath_end);
         }
-        JodConverter.convert(inputFile).to(outputFile).execute();
+        LocalConverter.Builder builder;
+        if (StringUtils.isNotBlank(fileAttribute.getFilePassword())) {
+            Map<String, Object> loadProperties = new HashMap<>();
+            loadProperties.put("Hidden", true);
+            loadProperties.put("ReadOnly", true);
+            loadProperties.put("UpdateDocMode", UpdateDocMode.NO_UPDATE);
+            loadProperties.put("Password", fileAttribute.getFilePassword());
+            builder = LocalConverter.builder().loadProperties(loadProperties);
+        } else {
+            builder = LocalConverter.builder();
+        }
+        builder.build().convert(inputFile).to(outputFile).execute();
     }
 
 
-    public void office2pdf(String inputFilePath, String outputFilePath) throws OfficeException {
+    public void office2pdf(String inputFilePath, String outputFilePath, FileAttribute fileAttribute) throws OfficeException {
         if (null != inputFilePath) {
             File inputFile = new File(inputFilePath);
             // 判断目标文件路径是否为空
@@ -40,12 +56,12 @@ public class OfficeToPdfService {
                 String outputFilePath_end = getOutputFilePath(inputFilePath);
                 if (inputFile.exists()) {
                     // 找不到源文件, 则返回
-                    converterFile(inputFile, outputFilePath_end);
+                    converterFile(inputFile, outputFilePath_end, fileAttribute);
                 }
             } else {
                 if (inputFile.exists()) {
                     // 找不到源文件, 则返回
-                    converterFile(inputFile, outputFilePath);
+                    converterFile(inputFile, outputFilePath, fileAttribute);
                 }
             }
         }

server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java

@@ -92,7 +92,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
             } else {
                 if (StringUtils.hasText(outFilePath)) {
                     try {
-                        officeToPdfService.openOfficeToPDF(filePath, outFilePath);
+                        officeToPdfService.openOfficeToPDF(filePath, outFilePath, fileAttribute);
                     } catch (OfficeException e) {
                         if (isPwdProtectedOffice && !OfficeUtils.isCompatible(filePath, filePassword)) {
                             // 加密文件密码错误，提示重新输入

server/src/main/java/cn/keking/utils/OfficeUtils.java

@@ -1,12 +1,12 @@
 package cn.keking.utils;
 
 import org.apache.commons.lang3.exception.ExceptionUtils;
+import org.apache.poi.EncryptedDocumentException;
 import org.apache.poi.extractor.ExtractorFactory;
 import org.apache.poi.hssf.record.crypto.Biff8EncryptionKey;
 import org.springframework.lang.Nullable;
 
 import java.io.FileInputStream;
-import java.io.IOException;
 
 /**
  * Office工具类
@@ -16,8 +16,6 @@ import java.io.IOException;
  */
 public class OfficeUtils {
 
-    private static final String POI_INVALID_PASSWORD_MSG = "Invalid password specified";
-
     /**
      * 判断office（word,excel,ppt）文件是否受密码保护
      *
@@ -27,14 +25,12 @@ public class OfficeUtils {
     public static boolean isPwdProtected(String path) {
         try {
             ExtractorFactory.createExtractor(new FileInputStream(path));
-        } catch (IOException e) {
-            if (POI_INVALID_PASSWORD_MSG.equals(e.getMessage())) {
-                return true;
-            }
+        } catch (EncryptedDocumentException e) {
+            return true;
         } catch (Exception e) {
             Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
             for (Throwable throwable : throwableArray) {
-                if (throwable instanceof IOException && POI_INVALID_PASSWORD_MSG.equals(throwable.getMessage())) {
+                if (throwable instanceof EncryptedDocumentException) {
                     return true;
                 }
             }

server/src/main/resources/web/html.ftl

@@ -6,6 +6,7 @@
     <meta name="viewport" content="width=device-width, user-scalable=yes, initial-scale=1.0">
     <title>文件预览</title>
     <#include "*/commonHeader.ftl">
+    <#include "*/needFilePasswordHeader.ftl">
 </head>
 <body>
 <iframe src="${pdfUrl}" width="100%" frameborder="0"></iframe>

server/src/main/resources/web/needFilePasswordHeader.ftl

@@ -0,0 +1,63 @@
+<#setting classic_compatible=true>
+<link rel="icon" href="./favicon.ico" type="image/x-icon">
+<link rel="stylesheet" href="bootstrap/css/bootstrap.min.css"/>
+<script src="js/jquery-3.6.1.min.js" type="text/javascript"></script>
+<script src="bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
+<script src="js/bootbox.min.js" type="text/javascript"></script>
+<script>
+    // 中文环境
+    var locale_zh_CN = {
+        OK: '确定',
+        CONFIRM: '确认',
+        CANCEL: '取消'
+    };
+    bootbox.addLocale('locale_zh_CN', locale_zh_CN);
+
+    /**
+     * 需要文件密码
+     */
+    function needFilePassword() {
+        if ('${needFilePassword}' == 'true') {
+            let promptTitle = "你正在预览加密文件，请输入文件密码。";
+            if ('${filePasswordError}' == 'true') {
+                promptTitle = "密码错误，请重新输入密码。";
+            }
+            bootbox.prompt({
+                title: promptTitle,
+                inputType: 'password',
+                centerVertical: true,
+                locale: 'locale_zh_CN',
+                callback: function (filePassword) {
+                    if (filePassword != null) {
+                        const locationHref = window.location.href;
+                        const isInclude = locationHref.includes("filePassword=");
+                        let redirectUrl = null;
+                        if (isInclude) {
+                            const url = new URL(locationHref);
+                            url.searchParams.set("filePassword", filePassword);
+                            redirectUrl = url.href;
+                        } else {
+                            redirectUrl = locationHref + '&filePassword=' + filePassword;
+                        }
+                        window.location.replace(redirectUrl);
+                    } else {
+                        location.reload();
+                    }
+                }
+            });
+        }
+    }
+</script>
+
+<style>
+    * {
+        margin: 0;
+        padding: 0;
+    }
+
+    html, body {
+        height: 100%;
+        width: 100%;
+    }
+</style>
+