From c68ad0ec056b37c82debebcecfcde1866d61b4d9 Mon Sep 17 00:00:00 2001 From: tknall Date: Tue, 25 Nov 2008 12:03:13 +0000 Subject: Removing pdfbox from source. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@301 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../pdmodel/encryption/PDStandardEncryption.java | 416 --------------------- 1 file changed, 416 deletions(-) delete mode 100644 src/main/java/org/pdfbox/pdmodel/encryption/PDStandardEncryption.java (limited to 'src/main/java/org/pdfbox/pdmodel/encryption/PDStandardEncryption.java') diff --git a/src/main/java/org/pdfbox/pdmodel/encryption/PDStandardEncryption.java b/src/main/java/org/pdfbox/pdmodel/encryption/PDStandardEncryption.java deleted file mode 100644 index 5b3be3b..0000000 --- a/src/main/java/org/pdfbox/pdmodel/encryption/PDStandardEncryption.java +++ /dev/null @@ -1,416 +0,0 @@ -/** - * 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 - * 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.pdmodel.encryption; - -import org.pdfbox.cos.COSDictionary; -import org.pdfbox.cos.COSInteger; -import org.pdfbox.cos.COSName; -import org.pdfbox.cos.COSNumber; -import org.pdfbox.cos.COSString; - -import java.io.IOException; - -/** - * This class holds information that is related to the standard PDF encryption. - * - * See PDF Reference 1.4 section "3.5 Encryption" - * - * @author Ben Litchfield (ben@csh.rit.edu) - * @version $Revision: 1.5 $ - */ -public class PDStandardEncryption extends PDEncryptionDictionary -{ - /** - * The 'Filter' name for this security handler. - */ - public static final String FILTER_NAME = "Standard"; - - /** - * The default revision of one is not specified. - */ - public static final int DEFAULT_REVISION = 3; - - /** - * Encryption revision 2. - */ - public static final int REVISION2 = 2; - /** - * Encryption revision 3. - */ - public static final int REVISION3 = 3; - /** - * Encryption revision 4. - */ - public static final int REVISION4 = 4; - - /** - * The default set of permissions which is to allow all. - */ - public static final int DEFAULT_PERMISSIONS = 0xFFFFFFFF ^ 3;//bits 0 & 1 need to be zero - - private static final int PRINT_BIT = 3; - private static final int MODIFICATION_BIT = 4; - private static final int EXTRACT_BIT = 5; - private static final int MODIFY_ANNOTATIONS_BIT = 6; - private static final int FILL_IN_FORM_BIT = 9; - private static final int EXTRACT_FOR_ACCESSIBILITY_BIT = 10; - private static final int ASSEMBLE_DOCUMENT_BIT = 11; - private static final int DEGRADED_PRINT_BIT = 12; - - /** - * Default constructor that uses Version 2, Revision 3, 40 bit encryption, - * all permissions allowed. - */ - public PDStandardEncryption() - { - super(); - encryptionDictionary.setItem( COSName.FILTER, COSName.getPDFName( FILTER_NAME ) ); - setVersion( PDEncryptionDictionary.VERSION1_40_BIT_ALGORITHM ); - setRevision( PDStandardEncryption.REVISION2 ); - setPermissions( DEFAULT_PERMISSIONS ); - } - - /** - * Constructor from existing dictionary. - * - * @param dict The existing encryption dictionary. - */ - public PDStandardEncryption( COSDictionary dict ) - { - super( dict ); - } - - /** - * This will return the R entry of the encryption dictionary.

- * See PDF Reference 1.4 Table 3.14. - * - * @return The encryption revision to use. - */ - public int getRevision() - { - int revision = DEFAULT_VERSION; - COSNumber cosRevision = (COSNumber)encryptionDictionary.getDictionaryObject( COSName.getPDFName( "R" ) ); - if( cosRevision != null ) - { - revision = cosRevision.intValue(); - } - return revision; - } - - /** - * This will set the R entry of the encryption dictionary.

- * See PDF Reference 1.4 Table 3.14.

- * - * Note: This value is used to decrypt the pdf document. If you change this when - * the document is encrypted then decryption will fail!. - * - * @param revision The new encryption version. - */ - public void setRevision( int revision ) - { - encryptionDictionary.setItem( COSName.getPDFName( "R" ), new COSInteger( revision ) ); - } - - /** - * This will get the O entry in the standard encryption dictionary. - * - * @return A 32 byte array or null if there is no owner key. - */ - public byte[] getOwnerKey() - { - byte[] o = null; - COSString owner = (COSString)encryptionDictionary.getDictionaryObject( COSName.getPDFName( "O" ) ); - if( owner != null ) - { - o = owner.getBytes(); - } - return o; - } - - /** - * This will set the O entry in the standard encryption dictionary. - * - * @param o A 32 byte array or null if there is no owner key. - * - * @throws IOException If there is an error setting the data. - */ - public void setOwnerKey( byte[] o ) throws IOException - { - COSString owner = new COSString(); - owner.append( o ); - encryptionDictionary.setItem( COSName.getPDFName( "O" ), owner ); - } - - /** - * This will get the U entry in the standard encryption dictionary. - * - * @return A 32 byte array or null if there is no user key. - */ - public byte[] getUserKey() - { - byte[] u = null; - COSString user = (COSString)encryptionDictionary.getDictionaryObject( COSName.getPDFName( "U" ) ); - if( user != null ) - { - u = user.getBytes(); - } - return u; - } - - /** - * This will set the U entry in the standard encryption dictionary. - * - * @param u A 32 byte array. - * - * @throws IOException If there is an error setting the data. - */ - public void setUserKey( byte[] u ) throws IOException - { - COSString user = new COSString(); - user.append( u ); - encryptionDictionary.setItem( COSName.getPDFName( "U" ), user ); - } - - /** - * This will get the permissions bit mask. - * - * @return The permissions bit mask. - */ - public int getPermissions() - { - int permissions = 0; - COSInteger p = (COSInteger)encryptionDictionary.getDictionaryObject( COSName.getPDFName( "P" ) ); - if( p != null ) - { - permissions = p.intValue(); - } - return permissions; - } - - /** - * This will set the permissions bit mask. - * - * @param p The new permissions bit mask - */ - public void setPermissions( int p ) - { - encryptionDictionary.setItem( COSName.getPDFName( "P" ), new COSInteger( p ) ); - } - - private boolean isPermissionBitOn( int bit ) - { - return (getPermissions() & (1 << (bit-1))) != 0; - } - - private boolean setPermissionBit( int bit, boolean value ) - { - int permissions = getPermissions(); - if( value ) - { - permissions = permissions | (1 << (bit-1)); - } - else - { - permissions = permissions & (0xFFFFFFFF ^ (1 << (bit-1))); - } - setPermissions( permissions ); - - return (getPermissions() & (1 << (bit-1))) != 0; - } - - /** - * This will tell if the user can print. - * - * @return true If supplied with the user password they are allowed to print. - */ - public boolean canPrint() - { - return isPermissionBitOn( PRINT_BIT ); - } - - /** - * Set if the user can print. - * - * @param allowPrinting A boolean determining if the user can print. - */ - public void setCanPrint( boolean allowPrinting ) - { - setPermissionBit( PRINT_BIT, allowPrinting ); - } - - /** - * This will tell if the user can modify contents of the document. - * - * @return true If supplied with the user password they are allowed to modify the document - */ - public boolean canModify() - { - return isPermissionBitOn( MODIFICATION_BIT ); - } - - /** - * Set if the user can modify the document. - * - * @param allowModifications A boolean determining if the user can modify the document. - */ - public void setCanModify( boolean allowModifications ) - { - setPermissionBit( MODIFICATION_BIT, allowModifications ); - } - - /** - * This will tell if the user can extract text and images from the PDF document. - * - * @return true If supplied with the user password they are allowed to extract content - * from the PDF document - */ - public boolean canExtractContent() - { - return isPermissionBitOn( EXTRACT_BIT ); - } - - /** - * Set if the user can extract content from the document. - * - * @param allowExtraction A boolean determining if the user can extract content - * from the document. - */ - public void setCanExtractContent( boolean allowExtraction ) - { - setPermissionBit( EXTRACT_BIT, allowExtraction ); - } - - /** - * This will tell if the user can add/modify text annotations, fill in interactive forms fields. - * - * @return true If supplied with the user password they are allowed to modify annotations. - */ - public boolean canModifyAnnotations() - { - return isPermissionBitOn( MODIFY_ANNOTATIONS_BIT ); - } - - /** - * Set if the user can modify annotations. - * - * @param allowAnnotationModification A boolean determining if the user can modify annotations. - */ - public void setCanModifyAnnotations( boolean allowAnnotationModification ) - { - setPermissionBit( MODIFY_ANNOTATIONS_BIT, allowAnnotationModification ); - } - - /** - * This will tell if the user can fill in interactive forms. - * - * @return true If supplied with the user password they are allowed to fill in form fields. - */ - public boolean canFillInForm() - { - return isPermissionBitOn( FILL_IN_FORM_BIT ); - } - - /** - * Set if the user can fill in interactive forms. - * - * @param allowFillingInForm A boolean determining if the user can fill in interactive forms. - */ - public void setCanFillInForm( boolean allowFillingInForm ) - { - setPermissionBit( FILL_IN_FORM_BIT, allowFillingInForm ); - } - - /** - * This will tell if the user can extract text and images from the PDF document - * for accessibility purposes. - * - * @return true If supplied with the user password they are allowed to extract content - * from the PDF document - */ - public boolean canExtractForAccessibility() - { - return isPermissionBitOn( EXTRACT_FOR_ACCESSIBILITY_BIT ); - } - - /** - * Set if the user can extract content from the document for accessibility purposes. - * - * @param allowExtraction A boolean determining if the user can extract content - * from the document. - */ - public void setCanExtractForAccessibility( boolean allowExtraction ) - { - setPermissionBit( EXTRACT_FOR_ACCESSIBILITY_BIT, allowExtraction ); - } - - /** - * This will tell if the user can insert/rotate/delete pages. - * - * @return true If supplied with the user password they are allowed to extract content - * from the PDF document - */ - public boolean canAssembleDocument() - { - return isPermissionBitOn( ASSEMBLE_DOCUMENT_BIT ); - } - - /** - * Set if the user can insert/rotate/delete pages. - * - * @param allowAssembly A boolean determining if the user can assemble the document. - */ - public void setCanAssembleDocument( boolean allowAssembly ) - { - setPermissionBit( ASSEMBLE_DOCUMENT_BIT, allowAssembly ); - } - - /** - * This will tell if the user can print the document in a degraded format. - * - * @return true If supplied with the user password they are allowed to print the - * document in a degraded format. - */ - public boolean canPrintDegraded() - { - return isPermissionBitOn( DEGRADED_PRINT_BIT ); - } - - /** - * Set if the user can print the document in a degraded format. - * - * @param allowAssembly A boolean determining if the user can print the - * document in a degraded format. - */ - public void setCanPrintDegraded( boolean allowAssembly ) - { - setPermissionBit( DEGRADED_PRINT_BIT, allowAssembly ); - } -} \ No newline at end of file -- cgit v1.2.3