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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/java-pdf-library-support/
*
* (C) Copyright 1997-2013, IDRsolutions and Contributors.
*
* This file is part of JPedal
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* EncryptionObject.java
* ---------------
*/
package org.jpedal.objects.raw;
import org.jpedal.utils.LogWriter;
public class EncryptionObject extends PdfObject {
// unknown CMAP as String
// String unknownValue=null;
// private float[] Matrix;
boolean EncryptMetadata = true;
int V = 1; // default value
int R = -1, P = -1;
byte[] rawPerms, rawU, rawUE, rawO, rawOE, rawCFM, rawEFF, rawStrF, rawStmF;
String U, UE, O, OE, EFF, CFM, Perms, StrF = null, StmF = null;
private PdfObject CF = null;
private byte[][] Recipients = null;
public EncryptionObject(String ref) {
super(ref);
}
public EncryptionObject(int ref, int gen) {
super(ref, gen);
}
public EncryptionObject(int type) {
super(type);
}
@Override
public boolean getBoolean(int id) {
switch (id) {
case PdfDictionary.EncryptMetadata:
return this.EncryptMetadata;
default:
return super.getBoolean(id);
}
}
@Override
public void setBoolean(int id, boolean value) {
switch (id) {
case PdfDictionary.EncryptMetadata:
this.EncryptMetadata = value;
break;
default:
super.setBoolean(id, value);
}
}
@Override
public PdfObject getDictionary(int id) {
switch (id) {
case PdfDictionary.CF:
return this.CF;
// case PdfDictionary.XObject:
// return XObject;
default:
return super.getDictionary(id);
}
}
@Override
public void setIntNumber(int id, int value) {
switch (id) {
case PdfDictionary.P:
this.P = value;
break;
case PdfDictionary.R:
this.R = value;
break;
case PdfDictionary.V:
this.V = value;
break;
// case PdfDictionary.Height:
// Height=value;
// break;
//
// case PdfDictionary.Width:
// Width=value;
// break;
default:
super.setIntNumber(id, value);
}
}
@Override
public int getInt(int id) {
switch (id) {
case PdfDictionary.P:
return this.P;
case PdfDictionary.R:
return this.R;
case PdfDictionary.V:
return this.V;
// case PdfDictionary.Height:
// return Height;
//
// case PdfDictionary.Width:
// return Width;
default:
return super.getInt(id);
}
}
@Override
public void setDictionary(int id, PdfObject value) {
value.setID(id);
switch (id) {
case PdfDictionary.CF:
this.CF = value;
break;
// case PdfDictionary.XObject:
// XObject=value;
// break;
default:
super.setDictionary(id, value);
}
}
@Override
public int setConstant(int pdfKeyType, int keyStart, int keyLength, byte[] raw) {
int PDFvalue = PdfDictionary.Unknown;
int id = 0, x = 0, next;
try {
// convert token to unique key which we can lookup
for (int i2 = keyLength - 1; i2 > -1; i2--) {
next = raw[keyStart + i2];
// System.out.println((char)next);
next = next - 48;
id = id + ((next) << x);
x = x + 8;
}
/**
* not standard
*/
switch (id) {
default:
// if(pdfKeyType==PdfDictionary.Encoding){
// PDFvalue=PdfCIDEncodings.getConstant(id);
//
// if(PDFvalue==PdfDictionary.Unknown){
//
// byte[] bytes=new byte[keyLength];
//
// System.arraycopy(raw,keyStart,bytes,0,keyLength);
//
// unknownValue=new String(bytes);
// }
//
// if(debug && PDFvalue==PdfDictionary.Unknown){
// System.out.println("Value not in PdfCIDEncodings");
//
// byte[] bytes=new byte[keyLength];
//
// System.arraycopy(raw,keyStart,bytes,0,keyLength);
// System.out.println("Add to CIDEncodings and as String");
// System.out.println("key="+new String(bytes)+" "+id+" not implemented in setConstant in PdfFont Object");
//
// System.out.println("final public static int CMAP_"+new String(bytes)+"="+id+";");
//
// }
// }else
PDFvalue = super.setConstant(pdfKeyType, id);
if (PDFvalue == -1) {
if (debug) {
byte[] bytes = new byte[keyLength];
System.arraycopy(raw, keyStart, bytes, 0, keyLength);
System.out.println("key=" + new String(bytes) + ' ' + id + " not implemented in setConstant in " + this);
System.out.println("final public static int " + new String(bytes) + '=' + id + ';');
}
}
break;
}
}
catch (Exception e) {
// tell user and log
if (LogWriter.isOutput()) LogWriter.writeLog("Exception: " + e.getMessage());
}
// System.out.println(pdfKeyType+"="+PDFvalue);
switch (pdfKeyType) {
default:
super.setConstant(pdfKeyType, id);
}
return PDFvalue;
}
@Override
public int getParameterConstant(int key) {
// System.out.println("Get constant for "+key +" "+this);
switch (key) {
// case PdfDictionary.BaseEncoding:
//
// //special cases first
// if(key==PdfDictionary.BaseEncoding && Encoding!=null && Encoding.isZapfDingbats)
// return StandardFonts.ZAPF;
// else if(key==PdfDictionary.BaseEncoding && Encoding!=null && Encoding.isSymbol)
// return StandardFonts.SYMBOL;
// else
// return BaseEncoding;
default:
return super.getParameterConstant(key);
}
}
// public void setStream(){
//
// hasStream=true;
// }
@Override
public PdfArrayIterator getMixedArray(int id) {
switch (id) {
// case PdfDictionary.Differences:
// return new PdfArrayIterator(Differences);
default:
return super.getMixedArray(id);
}
}
@Override
public double[] getDoubleArray(int id) {
switch (id) {
default:
return super.getDoubleArray(id);
}
}
@Override
public void setDoubleArray(int id, double[] value) {
switch (id) {
// case PdfDictionary.FontMatrix:
// FontMatrix=value;
// break;
default:
super.setDoubleArray(id, value);
}
}
@Override
public int[] getIntArray(int id) {
switch (id) {
default:
return super.getIntArray(id);
}
}
@Override
public void setIntArray(int id, int[] value) {
switch (id) {
default:
super.setIntArray(id, value);
}
}
@Override
public void setMixedArray(int id, byte[][] value) {
switch (id) {
// case PdfDictionary.Differences:
// Differences=value;
// break;
default:
super.setMixedArray(id, value);
}
}
@Override
public float[] getFloatArray(int id) {
switch (id) {
default:
return super.getFloatArray(id);
}
}
@Override
public void setFloatArray(int id, float[] value) {
switch (id) {
// case PdfDictionary.Matrix:
// Matrix=value;
// break;
default:
super.setFloatArray(id, value);
}
}
@Override
public void setName(int id, byte[] value) {
switch (id) {
case PdfDictionary.CFM:
this.rawCFM = value;
break;
case PdfDictionary.EFF:
this.rawEFF = value;
break;
case PdfDictionary.StmF:
this.rawStmF = value;
break;
case PdfDictionary.StrF:
this.rawStrF = value;
break;
default:
super.setName(id, value);
}
}
@Override
public void setTextStreamValue(int id, byte[] value) {
switch (id) {
case PdfDictionary.O:
this.rawO = value;
break;
case PdfDictionary.OE:
this.rawOE = value;
break;
case PdfDictionary.Perms:
this.rawPerms = value;
break;
case PdfDictionary.U:
this.rawU = value;
break;
case PdfDictionary.UE:
this.rawUE = value;
break;
default:
super.setTextStreamValue(id, value);
}
}
@Override
public String getName(int id) {
switch (id) {
case PdfDictionary.CFM:
// setup first time
if (this.CFM == null && this.rawCFM != null) this.CFM = new String(this.rawCFM);
return this.CFM;
case PdfDictionary.EFF:
// setup first time
if (this.EFF == null && this.rawEFF != null) this.EFF = new String(this.rawEFF);
return this.EFF;
case PdfDictionary.StmF:
// setup first time
if (this.StmF == null && this.rawStmF != null) this.StmF = new String(this.rawStmF);
return this.StmF;
case PdfDictionary.StrF:
// setup first time
if (this.StrF == null && this.rawStrF != null) this.StrF = new String(this.rawStrF);
return this.StrF;
default:
return super.getName(id);
}
}
@Override
public String getTextStreamValue(int id) {
switch (id) {
case PdfDictionary.O:
// setup first time
if (this.O == null && this.rawO != null) this.O = new String(this.rawO);
return this.O;
case PdfDictionary.OE:
// setup first time
if (this.OE == null && this.rawOE != null) this.OE = new String(this.rawOE);
return this.OE;
case PdfDictionary.U:
// setup first time
if (this.U == null && this.rawU != null) this.U = new String(this.rawU);
return this.U;
case PdfDictionary.UE:
// setup first time
if (this.UE == null && this.rawUE != null) this.UE = new String(this.rawUE);
return this.UE;
default:
return super.getTextStreamValue(id);
}
}
@Override
public byte[] getTextStreamValueAsByte(int id) {
switch (id) {
case PdfDictionary.O:
return this.rawO;
case PdfDictionary.OE:
return this.rawOE;
case PdfDictionary.Perms:
return this.rawPerms;
case PdfDictionary.U:
// setup first time
if (this.U == null && this.rawU != null) this.U = new String(this.rawU);
return this.rawU;
case PdfDictionary.UE:
// setup first time
if (this.UE == null && this.rawUE != null) this.UE = new String(this.rawUE);
return this.rawUE;
default:
return super.getTextStreamValueAsByte(id);
}
}
/**
* unless you need special fucntions, use getStringValue(int id) which is faster
*/
@Override
public String getStringValue(int id, int mode) {
byte[] data = null;
// get data
switch (id) {
// case PdfDictionary.BaseFont:
// data=rawBaseFont;
// break;
}
// convert
switch (mode) {
case PdfDictionary.STANDARD:
// setup first time
if (data != null) return new String(data);
else return null;
case PdfDictionary.LOWERCASE:
// setup first time
if (data != null) return new String(data);
else return null;
case PdfDictionary.REMOVEPOSTSCRIPTPREFIX:
// setup first time
if (data != null) {
int len = data.length;
if (len > 6 && data[6] == '+') { // lose ABCDEF+ if present
int length = len - 7;
byte[] newData = new byte[length];
System.arraycopy(data, 7, newData, 0, length);
return new String(newData);
}
else return new String(data);
}
else return null;
default:
throw new RuntimeException("Value not defined in getStringValue(int,mode) in " + this);
}
}
@Override
public byte[][] getKeyArray(int id) {
switch (id) {
default:
return super.getKeyArray(id);
}
}
@Override
public void setKeyArray(int id, byte[][] value) {
switch (id) {
default:
super.setKeyArray(id, value);
}
}
@Override
public byte[][] getStringArray(int id) {
switch (id) {
case PdfDictionary.Recipients:
return deepCopy(this.Recipients);
default:
return super.getStringArray(id);
}
}
@Override
public void setStringArray(int id, byte[][] value) {
switch (id) {
case PdfDictionary.Recipients:
this.Recipients = value;
break;
default:
super.setStringArray(id, value);
}
}
@Override
public boolean decompressStreamWhenRead() {
return false;
}
@Override
public int getObjectType() {
return PdfDictionary.Encrypt;
}
}