Examples of org.pdfbox.encryption.DecryptDocument

org.pdfbox.encryption.DecryptDocument
This class will deal with decrypting a document. @author Ben Litchfield @version $Revision: 1.8 $

            doc = parser.getDocument();
            if( doc.isEncrypted() )
            {
                try
                {
                    DecryptDocument decryptor = new DecryptDocument( doc );
                    decryptor.decryptDocument( "" );
                }
                catch( InvalidPasswordException e )
                {
                    System.err.println( "Error: The document is encrypted." );
                }

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                parser.parse();
                document = parser.getDocument();


                if( document.isEncrypted() )
                {
                    DecryptDocument decryptor = new DecryptDocument( document );
                    decryptor.decryptDocument( password );
                }
                else
                {
                    System.err.println( "Warning: Document is not encrypted." );
                }

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                {
                    try
                    {
                        //lets just try the default, a more robust system would
                        //ask for a password
                        DecryptDocument decryptor = new DecryptDocument( document );
                        decryptor.decryptDocument( "" );
                    }
                    catch( InvalidPasswordException e )
                    {
                        System.err.println( "Error: Document is encrypted with a password." );
                        System.exit( 1 );

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            //document.print();
            if( document.isEncrypted() )
            {
                try
                {
                    DecryptDocument decryptor = new DecryptDocument( document );
                    decryptor.decryptDocument( password );
                }
                catch( InvalidPasswordException e )
                {
                    if( args.length == 4 )//they supplied the wrong password
                    {

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                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();
                }

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                    pdf = pdfParser.getPDDocument();
                    if( pdf.isEncrypted() )
                    {
                        try
                        {
                            DecryptDocument decryptor = new DecryptDocument( pdf );
                            decryptor.decryptDocument( "" );
                        }
                        catch( InvalidPasswordException e )
                        {
                            System.err.println( "Error: The document is encrypted." );
                            usage();

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            // password (such a document appears to not be encrypted by
            // someone viewing the document, thus the confusion).  We will
            // attempt to decrypt with the empty password to handle this case.
            //
            log.debug("Document is encrypted, decrypting with empty password");
            DecryptDocument decryptor = new DecryptDocument( document );
            try
            {
                decryptor.decryptDocument("");
            }
            catch (CryptographyException e)
            {
                throw new IOException("Error decrypting document, details: " + e.getMessage());
            }

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            pdfDocument = parser.getPDDocument();




            if( pdfDocument.isEncrypted() )
            {
                DecryptDocument decryptor = new DecryptDocument( pdfDocument );
                //Just try using the default password and move on
                decryptor.decryptDocument( "" );
            }


            //create a tmp output stream with the size of the content.
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            OutputStreamWriter writer = new OutputStreamWriter( out );

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org.pdfbox.cos.COSBase

org.pdfbox.cos.COSDictionary

org.pdfbox.cos.COSNumber

org.pdfbox.cos.COSString

org.pdfbox.examples.encryption.DecryptPDFDocument

org.pdfbox.examples.fdf.PrintFields

org.pdfbox.examples.pdmodel.PrintDocumentMetaData

org.pdfbox.examples.persistence.WriteDecodedDoc

org.pdfbox.examples.signature.ShowSignature

org.pdfbox.ExtractText

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