From ceeeeff41dfea2a02a02f4cec11eb3628bb1d1af Mon Sep 17 00:00:00 2001
From: gaosong <gaosong@syxysoft.com>
Date: Wed, 19 Oct 2022 14:55:37 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9PDF=E5=8A=A0=E5=AF=86?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/jero/modules/system/util/PDFUtils.java   | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/PDFUtils.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/PDFUtils.java
index c83b6776c..9738325ef 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/PDFUtils.java
+++ b/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();