diff options
Diffstat (limited to 'src/main/java/org/pdfbox/Encrypt.java')
| -rw-r--r-- | src/main/java/org/pdfbox/Encrypt.java | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/Encrypt.java b/src/main/java/org/pdfbox/Encrypt.java new file mode 100644 index 0000000..9038e61 --- /dev/null +++ b/src/main/java/org/pdfbox/Encrypt.java @@ -0,0 +1,234 @@ +/**
+ * Copyright (c) 2004, 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
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package org.pdfbox;
+
+import org.pdfbox.pdmodel.PDDocument;
+
+import org.pdfbox.pdmodel.encryption.PDStandardEncryption;
+import org.pdfbox.pdmodel.encryption.PDEncryptionDictionary;
+
+/**
+ * This will read a document from the filesystem, encrypt it and and then write
+ * the results to the filesystem. <br/><br/>
+ *
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.5 $
+ */
+public class 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
+ {
+ String infile = null;
+ String outfile = null;
+ String userPassword = "";
+ String ownerPassword = "";
+
+ PDDocument document = null;
+
+ try
+ {
+
+ PDStandardEncryption enc = new PDStandardEncryption();
+ enc.setVersion( PDEncryptionDictionary.VERSION1_40_BIT_ALGORITHM );
+ enc.setRevision( PDStandardEncryption.REVISION2 );
+ for( int i=0; i<args.length; i++ )
+ {
+ String key = args[i];
+ if( key.equals( "-O" ) )
+ {
+ ownerPassword = args[++i];
+ }
+ else if( key.equals( "-U" ) )
+ {
+ userPassword = args[++i];
+ }
+ else if( key.equals( "-canAssemble" ) )
+ {
+ enc.setCanAssembleDocument( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-canExtractContent" ) )
+ {
+ enc.setCanExtractContent( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-canExtractForAccessibility" ) )
+ {
+ enc.setCanExtractForAccessibility( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-canFillInForm" ) )
+ {
+ enc.setCanFillInForm( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-canModify" ) )
+ {
+ enc.setCanModify( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-canModifyAnnotations" ) )
+ {
+ enc.setCanModifyAnnotations( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-canPrint" ) )
+ {
+ enc.setCanPrint( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-canPrintDegraded" ) )
+ {
+ enc.setCanPrintDegraded( args[++i].equalsIgnoreCase( "true" ) );
+ }
+ else if( key.equals( "-keyLength" ) )
+ {
+ try
+ {
+ enc.setLength( Integer.parseInt( args[++i] ) );
+ }
+ catch( NumberFormatException e )
+ {
+ throw new NumberFormatException(
+ "Error: -keyLength is not an integer '" + args[i] + "'" );
+ }
+ }
+ else if( key.equals( "-version" ) )
+ {
+ try
+ {
+ enc.setVersion( Integer.parseInt( args[++i] ) );
+ }
+ catch( NumberFormatException e )
+ {
+ throw new NumberFormatException( "Error: -version is not an integer '" + args[i] + "'" );
+ }
+ }
+ else if( key.equals( "-revision" ) )
+ {
+ try
+ {
+ enc.setRevision( Integer.parseInt( args[++i] ) );
+ }
+ catch( NumberFormatException e )
+ {
+ throw new NumberFormatException( "Error: -version is not an integer '" + args[i] + "'" );
+ }
+ }
+ else if( infile == null )
+ {
+ infile = key;
+ }
+ else if( outfile == null )
+ {
+ outfile = key;
+ }
+ else
+ {
+ usage();
+ }
+ }
+ if( infile == null )
+ {
+ usage();
+ }
+ if( outfile == null )
+ {
+ outfile = infile;
+ }
+ document = PDDocument.load( infile );
+
+ if( !document.isEncrypted() )
+ {
+ document.setEncryptionDictionary( enc );
+ document.encrypt( ownerPassword, userPassword );
+ document.save( outfile );
+ }
+ else
+ {
+ System.err.println( "Error: Document is already encrypted." );
+ }
+ }
+ finally
+ {
+ if( document != null )
+ {
+ document.close();
+ }
+ }
+ }
+ }
+
+ /**
+ * This will print a usage message.
+ */
+ private static void usage()
+ {
+ System.err.println( "usage: java org.pdfbox.Encrypt [options] <inputfile> [outputfile]" );
+ System.err.println( " -O <password> Set the owner password" );
+ System.err.println( " -U <password> Set the user password" );
+ System.err.println( " -canAssemble <true|false> Set the assemble permission" );
+ System.err.println( " -canExtractContent <true|false> Set the extraction permission" );
+ System.err.println( " -canExtractForAccessibility <true|false> Set the extraction permission" );
+ System.err.println( " -canFillInForm <true|false> Set the fill in form permission" );
+ System.err.println( " -canModify <true|false> Set the modify permission" );
+ System.err.println( " -canModifyAnnotations <true|false> Set the modify annots permission" );
+ System.err.println( " -canPrint <true|false> Set the print permission" );
+ System.err.println( " -canPrintDegraded <true|false> Set the print degraded permission" );
+ System.err.println( " -keyLength <length> The length of the key in bits(40)" );
+ System.err.println( " -version <0|1|2|3|4> The encryption version(1)" );
+ System.err.println( " 0 - Undocumented/Unpublished" );
+ System.err.println( " 1 - Allows for 40 bit encryption" );
+ System.err.println( " 2 - Allows for variable length encryption" );
+ System.err.println( " 3 - Unpublished but allows for key lengths from 40 to 128" );
+ System.err.println( " 4 - Security handler defines encryption" );
+ System.err.println( " -revision <2|3|4> The encryption revision(2)" );
+ System.err.println( " 2 - version less than 2" );
+ System.err.println( " 3 - version 2 or 3 or uses a revision 3 permission" );
+ System.err.println( " 4 - version of 4" );
+ System.err.println( "\nNote: By default all permissions are set to true!" );
+ System.exit( 1 );
+ }
+
+}
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