/**
* Copyright (c) 2003, www.pdfbox.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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*/
package org.pdfbox.examples.encryption;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.pdfbox.cos.COSDocument;
import org.pdfbox.pdfparser.PDFParser;
import org.pdfbox.pdfwriter.COSWriter;
import org.pdfbox.encryption.DecryptDocument;
/**
* This will read a document from the filesystem, decrypt it and and then write
* the results to the filesystem. <br/><br/>
*
* usage: java org.pdfbox.examples.encryption.DecryptPDFDocument <password> <inputfile> <outputfile>
*
*
* @author Ben Litchfield (ben@csh.rit.edu)
* @version $Revision: 1.4 $
*/
public class DecryptPDFDocument
{
/**
* 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
{
if( args.length != 3 )
{
usage();
}
else
{
String password = args[0];
String infile = args[1];
String outfile = args[2];
PDFParser parser = null;
try
{
parser = new PDFParser( new FileInputStream( infile ) );
parser.parse();
COSDocument document = parser.getDocument();
if( document.isEncrypted() )
{
DecryptDocument decryptor = new DecryptDocument( document );
decryptor.decryptDocument( password );
COSWriter writer = new COSWriter( new FileOutputStream( outfile ) );
writer.write( document );
writer.close();
}
else
{
System.err.println( "Error: Document is not encrypted." );
}
}
finally
{
if( parser != null && parser.getDocument() != null )
{
parser.getDocument().close();
}
}
}
}
/**
* Creates a new instance of DecryptDocument
*/
public DecryptPDFDocument()
{
}
/**
* This will print a usage message.
*/
private static void usage()
{
System.err.println( "usage: java org.pdfbox.examples.encryption.DecryptPDFDocument " +
"<password> <inputfile> <outputfile>" );
}
}