From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 1 Dec 2006 12:20:24 +0000
Subject: Initial import of release 2.2.

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 src/main/java/org/pdfbox/Encrypt.java | 234 ++++++++++++++++++++++++++++++++++
 1 file changed, 234 insertions(+)
 create mode 100644 src/main/java/org/pdfbox/Encrypt.java

(limited to 'src/main/java/org/pdfbox/Encrypt.java')

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 );
+    }
+
+}
\ No newline at end of file
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