Package com.itextpdf.text.exceptions

Examples of com.itextpdf.text.exceptions.InvalidPdfException

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                    rebuilt = true;
                    rebuildXref();
                    lastXref = -1;
                }
                catch (Exception ne) {
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("rebuild.failed.1.original.message.2", ne.getMessage(), e.getMessage()));
                }
            }
            try {
                readDocObj();
            }
            catch (Exception e) {
              if (e instanceof BadPasswordException)
                throw new BadPasswordException(e.getMessage());
                if (rebuilt || encryptionError)
                    throw new InvalidPdfException(e.getMessage());
                rebuilt = true;
                encrypted = false;
                try{
                    rebuildXref();
                    lastXref = -1;
                    readDocObj();
                } catch (Exception ne){
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("rebuild.failed.1.original.message.2", ne.getMessage(), e.getMessage()));
                }
            }

            strings.clear();
            readPages();
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                    rebuilt = true;
                    rebuildXref();
                    lastXref = -1;
                }
                catch (Exception ne) {
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("rebuild.failed.1.original.message.2", ne.getMessage(), e.getMessage()));
                }
            }
            readDocObjPartial();
            readPages();
        }
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            if (enc.contains(PdfName.PERMS))
                strings.remove(enc.get(PdfName.PERMS));

            o = enc.get(PdfName.P);
            if (!o.isNumber())
              throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.p.value"));
            pValue = ((PdfNumber)o).intValue();

            o = enc.get(PdfName.R);
            if (!o.isNumber())
              throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.r.value"));
            rValue = ((PdfNumber)o).intValue();

            switch (rValue) {
            case 2:
              cryptoMode = PdfWriter.STANDARD_ENCRYPTION_40;
              break;
            case 3:
                o = enc.get(PdfName.LENGTH);
                if (!o.isNumber())
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                lengthValue = ( (PdfNumber) o).intValue();
                if (lengthValue > 128 || lengthValue < 40 || lengthValue % 8 != 0)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                break;
            case 4:
                PdfDictionary dic = (PdfDictionary)enc.get(PdfName.CF);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("cf.not.found.encryption"));
                dic = (PdfDictionary)dic.get(PdfName.STDCF);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("stdcf.not.found.encryption"));
                if (PdfName.V2.equals(dic.get(PdfName.CFM)))
                    cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                else if (PdfName.AESV2.equals(dic.get(PdfName.CFM)))
                    cryptoMode = PdfWriter.ENCRYPTION_AES_128;
                else
                    throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("no.compatible.encryption.found"));
                PdfObject em = enc.get(PdfName.ENCRYPTMETADATA);
                if (em != null && em.toString().equals("false"))
                    cryptoMode |= PdfWriter.DO_NOT_ENCRYPT_METADATA;
                break;
            case 5:
                cryptoMode = PdfWriter.ENCRYPTION_AES_256;
                PdfObject em5 = enc.get(PdfName.ENCRYPTMETADATA);
                if (em5 != null && em5.toString().equals("false"))
                    cryptoMode |= PdfWriter.DO_NOT_ENCRYPT_METADATA;
                break;
            default:
              throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("unknown.encryption.type.r.eq.1", rValue));
            }
        }
        else if (filter.equals(PdfName.PUBSEC)) {
            boolean foundRecipient = false;
            byte[] envelopedData = null;
            PdfArray recipients = null;

            o = enc.get(PdfName.V);
            if (!o.isNumber())
              throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.v.value"));
            int vValue = ((PdfNumber)o).intValue();
            switch(vValue) {
            case 1:
                cryptoMode = PdfWriter.STANDARD_ENCRYPTION_40;
                lengthValue = 40;
                recipients = (PdfArray)enc.get(PdfName.RECIPIENTS);
              break;
            case 2:
                o = enc.get(PdfName.LENGTH);
                if (!o.isNumber())
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                lengthValue = ( (PdfNumber) o).intValue();
                if (lengthValue > 128 || lengthValue < 40 || lengthValue % 8 != 0)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                recipients = (PdfArray)enc.get(PdfName.RECIPIENTS);
                break;
            case 4:
                PdfDictionary dic = (PdfDictionary)enc.get(PdfName.CF);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("cf.not.found.encryption"));
                dic = (PdfDictionary)dic.get(PdfName.DEFAULTCRYPTFILTER);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("defaultcryptfilter.not.found.encryption"));
                if (PdfName.V2.equals(dic.get(PdfName.CFM))) {
                    cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                    lengthValue = 128;
                }
                else if (PdfName.AESV2.equals(dic.get(PdfName.CFM))) {
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                    break;
                }
                address = tokens.intValue() + first;
            }
            if (!ok)
                throw new InvalidPdfException(MessageLocalization.getComposedMessage("error.reading.objstm"));
            tokens.seek(address);
            tokens.nextToken();
            PdfObject obj;
            if (tokens.getTokenType() == PRTokeniser.TokenType.NUMBER) {
                obj = new PdfNumber(tokens.getStringValue());
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                    break;
                }
                address[k] = tokens.intValue() + first;
            }
            if (!ok)
                throw new InvalidPdfException(MessageLocalization.getComposedMessage("error.reading.objstm"));
            for (int k = 0; k < n; ++k) {
                if (map.containsKey(k)) {
                    tokens.seek(address[k]);
                    tokens.nextToken();
                    PdfObject obj;
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        hybridXref = false;
        newXrefType = false;
        tokens.seek(tokens.getStartxref());
        tokens.nextToken();
        if (!tokens.getStringValue().equals("startxref"))
            throw new InvalidPdfException(MessageLocalization.getComposedMessage("startxref.not.found"));
        tokens.nextToken();
        if (tokens.getTokenType() != TokenType.NUMBER)
            throw new InvalidPdfException(MessageLocalization.getComposedMessage("startxref.is.not.followed.by.a.number"));
        long startxref = tokens.longValue();
        lastXref = startxref;
        eofPos = tokens.getFilePointer();
        try {
            if (readXRefStream(startxref)) {
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                    xr[(int)num] = obj;
                }
            }
        }
        if (trailer == null)
            throw new InvalidPdfException(MessageLocalization.getComposedMessage("trailer.not.found"));
        xref = new long[(int)(top * 2)];
        for (int k = 0; k < top; ++k) {
            long obj[] = xr[k];
            if (obj != null)
                xref[k * 2] = obj[0];
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                    rebuilt = true;
                    rebuildXref();
                    lastXref = -1;
                }
                catch (Exception ne) {
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("rebuild.failed.1.original.message.2", ne.getMessage(), e.getMessage()));
                }
            }
            try {
                readDocObj();
            }
            catch (Exception e) {
              if (e instanceof BadPasswordException)
                throw new BadPasswordException(e.getMessage());
                if (rebuilt || encryptionError)
                    throw new InvalidPdfException(e.getMessage());
                rebuilt = true;
                encrypted = false;
                rebuildXref();
                lastXref = -1;
                readDocObj();
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                    rebuilt = true;
                    rebuildXref();
                    lastXref = -1;
                }
                catch (Exception ne) {
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("rebuild.failed.1.original.message.2", ne.getMessage(), e.getMessage()));
                }
            }
            readDocObjPartial();
            readPages();
        }
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            if (enc.contains(PdfName.PERMS))
                strings.remove(enc.get(PdfName.PERMS));

            o = enc.get(PdfName.P);
            if (!o.isNumber())
              throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.p.value"));
            pValue = ((PdfNumber)o).intValue();

            o = enc.get(PdfName.R);
            if (!o.isNumber())
              throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.r.value"));
            rValue = ((PdfNumber)o).intValue();

            switch (rValue) {
            case 2:
              cryptoMode = PdfWriter.STANDARD_ENCRYPTION_40;
              break;
            case 3:
                o = enc.get(PdfName.LENGTH);
                if (!o.isNumber())
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                lengthValue = ( (PdfNumber) o).intValue();
                if (lengthValue > 128 || lengthValue < 40 || lengthValue % 8 != 0)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                break;
            case 4:
                PdfDictionary dic = (PdfDictionary)enc.get(PdfName.CF);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("cf.not.found.encryption"));
                dic = (PdfDictionary)dic.get(PdfName.STDCF);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("stdcf.not.found.encryption"));
                if (PdfName.V2.equals(dic.get(PdfName.CFM)))
                    cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                else if (PdfName.AESV2.equals(dic.get(PdfName.CFM)))
                    cryptoMode = PdfWriter.ENCRYPTION_AES_128;
                else
                    throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("no.compatible.encryption.found"));
                PdfObject em = enc.get(PdfName.ENCRYPTMETADATA);
                if (em != null && em.toString().equals("false"))
                    cryptoMode |= PdfWriter.DO_NOT_ENCRYPT_METADATA;
                break;
            case 5:
                cryptoMode = PdfWriter.ENCRYPTION_AES_256;
                PdfObject em5 = enc.get(PdfName.ENCRYPTMETADATA);
                if (em5 != null && em5.toString().equals("false"))
                    cryptoMode |= PdfWriter.DO_NOT_ENCRYPT_METADATA;
                break;
            default:
              throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("unknown.encryption.type.r.eq.1", rValue));
            }
        }
        else if (filter.equals(PdfName.PUBSEC)) {
            boolean foundRecipient = false;
            byte[] envelopedData = null;
            PdfArray recipients = null;

            o = enc.get(PdfName.V);
            if (!o.isNumber())
              throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.v.value"));
            int vValue = ((PdfNumber)o).intValue();
            switch(vValue) {
            case 1:
                cryptoMode = PdfWriter.STANDARD_ENCRYPTION_40;
                lengthValue = 40;
                recipients = (PdfArray)enc.get(PdfName.RECIPIENTS);
              break;
            case 2:
                o = enc.get(PdfName.LENGTH);
                if (!o.isNumber())
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                lengthValue = ( (PdfNumber) o).intValue();
                if (lengthValue > 128 || lengthValue < 40 || lengthValue % 8 != 0)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("illegal.length.value"));
                cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                recipients = (PdfArray)enc.get(PdfName.RECIPIENTS);
                break;
            case 4:
                PdfDictionary dic = (PdfDictionary)enc.get(PdfName.CF);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("cf.not.found.encryption"));
                dic = (PdfDictionary)dic.get(PdfName.DEFAULTCRYPTFILTER);
                if (dic == null)
                    throw new InvalidPdfException(MessageLocalization.getComposedMessage("defaultcryptfilter.not.found.encryption"));
                if (PdfName.V2.equals(dic.get(PdfName.CFM))) {
                    cryptoMode = PdfWriter.STANDARD_ENCRYPTION_128;
                    lengthValue = 128;
                }
                else if (PdfName.AESV2.equals(dic.get(PdfName.CFM))) {
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Related Classes of com.itextpdf.text.exceptions.InvalidPdfException

  • com.itextpdf.text.pdf.PdfReader
  • com.itextpdf.text.pdf.PRTokeniser
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