修改PDF加密文件的问题

jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/PDFUtils.java

@@ -17,6 +17,7 @@ import java.awt.geom.Dimension2D;
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
 import java.io.*;
+import java.lang.reflect.Field;
 
 @Slf4j
 public class PDFUtils {
@@ -217,7 +218,10 @@ public class PDFUtils {
             String path = uploadpath + File.separator + fileName;
             newFilePath = path.replace(fileName, "transformation" + fileName);
             reader = new PdfReader(byes);
-
+            //解密文件
+            Field f = PdfReader.class.getDeclaredField("ownerPasswordUsed");
+            f.setAccessible(true);
+            f.set(reader, Boolean.TRUE);
             // 加完水印的文件
             os = new FileOutputStream(newFilePath);
             stamper = new PdfStamper(reader, os);
@@ -286,6 +290,11 @@ public class PDFUtils {
             e.printStackTrace();
             log.error(e.getMessage());
 
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+            log.error(e.getMessage());
+        }catch (NoSuchFieldException e) {
+            e.printStackTrace();
         } finally {
             try {
                 stamper.close();