/*
* $Id$
*
* Copyright 2002 by Paulo Soares
*
* 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) 1999-2006 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000-2006 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;
import java.io.FileOutputStream;
import java.util.HashMap;
import com.lowagie.text.pdf.PdfEncryptor;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
/**
* Encrypts a PDF document. It needs iText (http://www.lowagie.com/iText).
* @author Paulo Soares (psoares@consiste.pt)
* @since 2.1.1 (renamed to follow Java naming conventions)
*/
public class EncryptPdf {
private final static int INPUT_FILE = 0;
private final static int OUTPUT_FILE = 1;
private final static int USER_PASSWORD = 2;
private final static int OWNER_PASSWORD = 3;
private final static int PERMISSIONS = 4;
private final static int STRENGTH = 5;
private final static int MOREINFO = 6;
private final static int permit[] = {
PdfWriter.ALLOW_PRINTING,
PdfWriter.ALLOW_MODIFY_CONTENTS,
PdfWriter.ALLOW_COPY,
PdfWriter.ALLOW_MODIFY_ANNOTATIONS,
PdfWriter.ALLOW_FILL_IN,
PdfWriter.ALLOW_SCREENREADERS,
PdfWriter.ALLOW_ASSEMBLY,
PdfWriter.ALLOW_DEGRADED_PRINTING};
private static void usage() {
System.out.println("usage: input_file output_file user_password owner_password permissions 128|40 [new info string pairs]");
System.out.println("permissions is 8 digit long 0 or 1. Each digit has a particular security function:");
System.out.println();
System.out.println("AllowPrinting");
System.out.println("AllowModifyContents");
System.out.println("AllowCopy");
System.out.println("AllowModifyAnnotations");
System.out.println("AllowFillIn (128 bit only)");
System.out.println("AllowScreenReaders (128 bit only)");
System.out.println("AllowAssembly (128 bit only)");
System.out.println("AllowDegradedPrinting (128 bit only)");
System.out.println("Example permissions to copy and print would be: 10100000");
}
/**
* Encrypts a PDF document.
*
* @param args input_file output_file user_password owner_password permissions 128|40 [new info string pairs]
*/
public static void main (String args[]) {
System.out.println("PDF document encryptor");
if (args.length <= STRENGTH || args[PERMISSIONS].length() != 8) {
usage();
return;
}
try {
int permissions = 0;
String p = args[PERMISSIONS];
for (int k = 0; k < p.length(); ++k) {
permissions |= (p.charAt(k) == '0' ? 0 : permit[k]);
}
System.out.println("Reading " + args[INPUT_FILE]);
PdfReader reader = new PdfReader(args[INPUT_FILE]);
System.out.println("Writing " + args[OUTPUT_FILE]);
HashMap moreInfo = new HashMap();
for (int k = MOREINFO; k < args.length - 1; k += 2)
moreInfo.put(args[k], args[k + 1]);
PdfEncryptor.encrypt(reader, new FileOutputStream(args[OUTPUT_FILE]),
args[USER_PASSWORD].getBytes(), args[OWNER_PASSWORD].getBytes(), permissions, args[STRENGTH].equals("128"), moreInfo);
System.out.println("Done.");
}
catch (Exception e) {
e.printStackTrace();
}
}
}