feat: 企标带文件导出PDF文件先解密后加水印再加密

laws-module-system/src/main/java/com/jero/modules/system/util/SysWaterMarkUtil.java

@@ -2,6 +2,8 @@ package com.jero.modules.system.util;
 
 import com.jero.common.system.vo.LoginUser;
 import com.jero.common.util.DateUtils;
+import com.jero.common.util.IntekeyUtils;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageContentStream;
@@ -13,14 +15,10 @@ import org.apache.pdfbox.util.Matrix;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.stereotype.Component;
-
+import java.io.*;
 import java.util.ArrayList;
 import java.util.List;
 import java.awt.*;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
@@ -30,6 +28,7 @@ import java.util.Date;
  * @author CaiHaohan
  */
 @Component
+@Slf4j
 public class SysWaterMarkUtil {
 
     @Value("${watermark.font-size}")
@@ -63,6 +62,8 @@ public class SysWaterMarkUtil {
     @Value("${watermark.margin.top}")
     private float marginTop;
 
+    @Value("#{'${download.enable}'}")
+    private boolean enable;
 
     public List<String> getWaterMarkConfig() {
         LoginUser loginUser = UserUtils.getLoginUser();
@@ -79,6 +80,9 @@ public class SysWaterMarkUtil {
 
     public synchronized InputStream addWatermarkToPdf(InputStream inputStream) throws IOException {
         List<String> watermarkText = getWaterMarkConfig();
+        if (enable) {
+            inputStream = IntekeyUtils.autoDecryptInputStreamFile(inputStream, "test.pdf");
+        }
         PDDocument document = PDDocument.load(inputStream);
         document.setAllSecurityToBeRemoved(true);
         // 加载水印字体