diff options
Diffstat (limited to 'src/main/java/com/lowagie/tools/plugins/Encrypt.java')
| -rw-r--r-- | src/main/java/com/lowagie/tools/plugins/Encrypt.java | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/tools/plugins/Encrypt.java b/src/main/java/com/lowagie/tools/plugins/Encrypt.java new file mode 100644 index 0000000..7821759 --- /dev/null +++ b/src/main/java/com/lowagie/tools/plugins/Encrypt.java @@ -0,0 +1,193 @@ +/*
+ * $Id: Encrypt.java,v 1.11 2005/11/29 21:05:02 blowagie Exp $
+ * $Name: $
+ *
+ * Copyright 2005 by Bruno Lowagie.
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above. If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+package com.lowagie.tools.plugins;
+
+import java.io.File;
+import java.io.FileOutputStream;
+
+import javax.swing.JInternalFrame;
+import javax.swing.JOptionPane;
+
+import com.lowagie.text.pdf.PdfEncryptor;
+import com.lowagie.text.pdf.PdfReader;
+import com.lowagie.text.pdf.PdfWriter;
+import com.lowagie.tools.arguments.BitsetArgument;
+import com.lowagie.tools.arguments.FileArgument;
+import com.lowagie.tools.arguments.OptionArgument;
+import com.lowagie.tools.arguments.PdfFilter;
+import com.lowagie.tools.arguments.ToolArgument;
+
+/**
+ * Allows you to encrypt an existing PDF file.
+ */
+public class Encrypt extends AbstractTool {
+
+ static {
+ addVersion("$Id: Encrypt.java,v 1.11 2005/11/29 21:05:02 blowagie Exp $");
+ }
+ private final static int PERMISSIONS[] = {
+ PdfWriter.AllowPrinting,
+ PdfWriter.AllowModifyContents,
+ PdfWriter.AllowCopy,
+ PdfWriter.AllowModifyAnnotations,
+ PdfWriter.AllowFillIn,
+ PdfWriter.AllowScreenReaders,
+ PdfWriter.AllowAssembly,
+ PdfWriter.AllowDegradedPrinting};
+ private final static String PERMISSION_OPTIONS[] = {
+ "AllowPrinting",
+ "AllowModifyContents",
+ "AllowCopy",
+ "AllowModifyAnnotations",
+ "AllowFillIn (128 bit only)",
+ "AllowScreenReaders (128 bit only)",
+ "AllowAssembly (128 bit only)",
+ "AllowDegradedPrinting (128 bit only)"
+ };
+
+
+ /**
+ * Constructs an Encrypt object.
+ */
+ public Encrypt() {
+ arguments.add(new FileArgument(this, "srcfile", "The file you want to encrypt", false, new PdfFilter()));
+ arguments.add(new FileArgument(this, "destfile", "The file to which the encrypted PDF has to be written", true, new PdfFilter()));
+ arguments.add(new ToolArgument(this, "ownerpassword", "The ownerpassword you want to add to the PDF file", String.class.getName()));
+ arguments.add(new ToolArgument(this, "userpassword", "The userpassword you want to add to the PDF file", String.class.getName()));
+ arguments.add(new BitsetArgument(this, "permissions", "Permissions on the file", PERMISSION_OPTIONS));
+ OptionArgument oa = new OptionArgument(this, "strength", "Strength of the encryption");
+ oa.addOption("40 bit encryption", "40");
+ oa.addOption("128 bit encryption", "128");
+ arguments.add(oa);
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#createFrame()
+ */
+ protected void createFrame() {
+ internalFrame = new JInternalFrame("Encrypt", true, false, true);
+ internalFrame.setSize(300, 80);
+ internalFrame.setJMenuBar(getMenubar());
+ System.out.println("=== Encrypt OPENED ===");
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#execute()
+ */
+ public void execute() {
+ try {
+ if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile");
+ if (getValue("destfile") == null) throw new InstantiationException("You need to choose a destination file");
+ int permissions = 0;
+ String p = (String)getValue("permissions");
+ if (p != null) {
+ for (int k = 0; k < p.length(); ++k) {
+ permissions |= (p.charAt(k) == '0' ? 0 : PERMISSIONS[k]);
+ }
+ }
+ byte[] userpassword = null;
+ if (getValue("userpassword") != null) {
+ userpassword = ((String)getValue("userpassword")).getBytes();
+ }
+ byte[] ownerpassword = null;
+ if (getValue("ownerpassword") != null) {
+ ownerpassword = ((String)getValue("ownerpassword")).getBytes();
+ }
+ PdfReader reader = new PdfReader(((File)getValue("srcfile")).getAbsolutePath());
+ PdfEncryptor.encrypt(
+ reader,
+ new FileOutputStream((File)getValue("destfile")),
+ userpassword,
+ ownerpassword,
+ permissions,
+ "128".equals(getValue("strength"))
+ );
+ }
+ catch(Exception e) {
+ JOptionPane.showMessageDialog(internalFrame,
+ e.getMessage(),
+ e.getClass().getName(),
+ JOptionPane.ERROR_MESSAGE);
+ System.err.println(e.getMessage());
+ }
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#valueHasChanged(com.lowagie.tools.arguments.ToolArgument)
+ */
+ public void valueHasChanged(ToolArgument arg) {
+ if (internalFrame == null) {
+ // if the internal frame is null, the tool was called from the commandline
+ return;
+ }
+ // represent the changes of the argument in the internal frame
+ }
+
+ /**
+ * Encrypts an existing PDF file.
+ * @param args
+ */
+ public static void main(String[] args) {
+ Encrypt tool = new Encrypt();
+ if (args.length < 2) {
+ System.err.println(tool.getUsage());
+ }
+ tool.setArguments(args);
+ tool.execute();
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#getDestPathPDF()
+ */
+ protected File getDestPathPDF() throws InstantiationException {
+ return (File)getValue("destfile");
+ }
+
+}
|