org.apache.pdfbox.Encrypt Maven / Gradle / Ivy

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The Apache PDFBox library is an open source Java tool for working with PDF documents.
There is a newer version: 3.0.2
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.pdfbox;

import java.io.FileInputStream;
import java.io.InputStream;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.encryption.AccessPermission;
import org.apache.pdfbox.pdmodel.encryption.PublicKeyProtectionPolicy;
import org.apache.pdfbox.pdmodel.encryption.PublicKeyRecipient;
import org.apache.pdfbox.pdmodel.encryption.StandardProtectionPolicy;

/**
 * This will read a document from the filesystem, encrypt it and and then write
 * the results to the filesystem. 


 *
 * @author  Ben Litchfield
 * @version $Revision: 1.9 $
 */
public class Encrypt
{
    private Encrypt()
    {
    }

    /**
     * This is the entry point for the application.
     *
     * @param args The command-line arguments.
     *
     * @throws Exception If there is an error decrypting the document.
     */
    public static void main( String[] args ) throws Exception
    {
        Encrypt encrypt = new Encrypt();
        encrypt.encrypt( args );
    }

    private void encrypt( String[] args ) throws Exception
    {
        if( args.length < 1 )
        {
            usage();
        }
        else
        {
            AccessPermission ap = new AccessPermission();

            String infile = null;
            String outfile = null;
            String certFile = null;
            String userPassword = "";
            String ownerPassword = "";

            int keyLength = 40;

            PDDocument document = null;

            try
            {
                for( int i=0; i [outputfile]" );
        System.err.println( "   -O                             " +
                                            "Set the owner password(ignored if cert is set)" );
        System.err.println( "   -U                             " +
                                            "Set the user password(ignored if cert is set)" );
        System.err.println( "   -certFile                  Path to X.509 certificate" );
        System.err.println( "   -canAssemble                 Set the assemble permission" );
        System.err.println( "   -canExtractContent           Set the extraction permission" );
        System.err.println( "   -canExtractForAccessibility  Set the extraction permission" );
        System.err.println( "   -canFillInForm               Set the fill in form permission" );
        System.err.println( "   -canModify                   Set the modify permission" );
        System.err.println( "   -canModifyAnnotations        Set the modify annots permission" );
        System.err.println( "   -canPrint                    Set the print permission" );
        System.err.println( "   -canPrintDegraded            Set the print degraded permission" );
        System.err.println( "   -keyLength                       The length of the key in bits (valid values: 40 and 128, default is 40)" );
        System.err.println( "\nNote: By default all permissions are set to true!" );
        System.exit( 1 );
    }

}