feat: 企标带文件导出PDF文件先解密后加水印再加密

laws-modules/src/main/java/com/jero/modules/laws/common/service/ILawsCommonService.java

@@ -182,6 +182,14 @@ public interface ILawsCommonService {
      */
     byte[] getMinioFileContent(OSSFile file) throws Exception;
 
+    /**
+     * 获取文件内容(企标专用 特殊处理了加解密)
+     * @param file
+     * @return
+     * @throws Exception
+     */
+    byte[] getMinioFileContentES(OSSFile file) throws Exception;
+
     /**
      * 企标的模板下载是压缩包，里面有两个Excel模板
      * @param response

laws-modules/src/main/java/com/jero/modules/laws/common/service/impl/LawsCommonServiceImpl.java

@@ -223,6 +223,9 @@ public class LawsCommonServiceImpl implements ILawsCommonService {
     @Value("#{'${enterpriseDetailRoleCode}'.split(',')}")
     private List<String> enterpriseDetailRoleCodeList;
 
+    @Value("#{'${download.enable}'}")
+    private boolean enable;
+
     /**
      * @Author: liao
      * @Date: 2023/8/23 16:57
@@ -1613,7 +1616,11 @@ public class LawsCommonServiceImpl implements ILawsCommonService {
                 ZipEntry fileEntry = new ZipEntry(file.getFileRelativePath());
                 zipOut.putNextEntry(fileEntry);
                 // 将文件取出存入流中
-                bytes = this.getMinioFileContent(file);
+                if(TableNameEnum.ENTERPRISE_STANDARDS.getValue().equals(parameterMap.get(FieldCommon.MODULE))) {
+                    bytes = this.getMinioFileContentES(file);
+                } else {
+                    bytes = this.getMinioFileContent(file);
+                }
                 zipOut.write(bytes, 0, bytes.length);
                 zipOut.closeEntry();
             }
@@ -2558,6 +2565,10 @@ public class LawsCommonServiceImpl implements ILawsCommonService {
 
     @Override
     public byte[] getMinioFileContent(OSSFile file) throws Exception {
+        return this.getMinioFileContentNormal(file, false);
+    }
+
+    private byte[] getMinioFileContentNormal(OSSFile file, boolean esSpecial) throws Exception {
         String fileUrl = file.getUrl();
         String fileName = file.getFileName();
         String minioUrl = MinioUtil.getMinioUrl();
@@ -2568,14 +2579,21 @@ public class LawsCommonServiceImpl implements ILawsCommonService {
             byte[] buf = new byte[1024];
             int len;
             if ("pdf".equalsIgnoreCase(FileUtil.extName(fileName))) {
+
                 // 如果是PDF文件, 添加水印
                 try (InputStream originalInputStream = MinioUtil.getMinioFile(MinioUtil.getBucketName(), url);
                      InputStream watermarkedInputStream = sysWaterMarkUtil.addWatermarkToPdf(originalInputStream)) {
+                    // 如果是系统开启了加密并且处理的是企标 则需要将加水印的pdf文件再次加密
+                    InputStream is = watermarkedInputStream;
+                    if (esSpecial && enable) {
+                        // 加密企标的PDF
+                        is = IntekeyUtils.autoEncryptInputStreamFile(is, fileName);
+                    }
 
                     if (originalInputStream == null) {
                         return null;
                     }
-                    while ((len = watermarkedInputStream.read(buf)) > 0) {
+                    while ((len = is.read(buf)) > 0) {
                         outputStream.write(buf, 0, len);
                     }
                 } catch (Exception e) {
@@ -2600,6 +2618,11 @@ public class LawsCommonServiceImpl implements ILawsCommonService {
         }
     }
 
+    @Override
+    public byte[] getMinioFileContentES(OSSFile file) throws Exception {
+        return this.getMinioFileContentNormal(file, true);
+    }
+
     @Override
     public void esTemplateDownload(HttpServletResponse response) throws Exception {
         // 1. 生成企标的模板