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修改PDF加密文件的问题

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This commit is contained in:
gaosong
2022-10-19 14:55:37 +08:00
parent 1181136b50
commit ceeeeff41d
1 changed files with 10 additions and 1 deletions
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jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/PDFUtils.java
+10 -1
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@@ -17,6 +17,7 @@ import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D; import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D; import java.awt.geom.Rectangle2D;
import java.io.*; import java.io.*;
import java.lang.reflect.Field;
@Slf4j @Slf4j
public class PDFUtils { public class PDFUtils {
@@ -217,7 +218,10 @@ public class PDFUtils {
String path = uploadpath + File.separator + fileName; String path = uploadpath + File.separator + fileName;
newFilePath = path.replace(fileName, "transformation" + fileName); newFilePath = path.replace(fileName, "transformation" + fileName);
reader = new PdfReader(byes); 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 // 加完水印的文件
os = new FileOutputStream(newFilePath); os = new FileOutputStream(newFilePath);
stamper = new PdfStamper(reader, os); stamper = new PdfStamper(reader, os);
@@ -286,6 +290,11 @@ public class PDFUtils {
e.printStackTrace(); e.printStackTrace();
log.error(e.getMessage()); log.error(e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
log.error(e.getMessage());
}catch (NoSuchFieldException e) {
e.printStackTrace();
} finally { } finally {
try { try {
stamper.close(); stamper.close();