Examples of com.sun.pdfview.PDFParseException

com.sun.pdfview.PDFParseException
an exception class for recording parse errors in the PDF file @author Mike Wessler

        // crypt filter (CF) dictionary
        final Map<String, PDFDecrypter> cfDecrypters =
                new HashMap<String, PDFDecrypter>();
        final PDFObject cfDict = encryptDict.getDictRef("CF");
        if (cfDict == null) {
            throw new PDFParseException(
                    "No CF value present in Encrypt dict for V4 encryption");
        }
        final Iterator<String> cfNameIt = cfDict.getDictKeys();
        while (cfNameIt.hasNext()) {
            final String cfName = cfNameIt.next();

View Full Code Here

        }


        // R describes the revision of the security handler
        final PDFObject rObj = encryptDict.getDictRef("R");
        if (rObj == null) {
            throw new PDFParseException(
                    "No R entry present in Encrypt dictionary");
        }


        final int revision = rObj.getIntValue();
        if (revision < 2 || revision > 4) {
            throw new EncryptionUnsupportedByPlatformException(
                    "Unsupported Standard security handler revision; R=" +
                            revision);
        }


        // O describes validation details for the owner key
        final PDFObject oObj = encryptDict.getDictRef("O");
        if (oObj == null) {
            throw new PDFParseException(
                    "No O entry present in Encrypt dictionary");
        }
        final byte[] o = oObj.getStream();
        if (o.length != 32) {
            throw new PDFParseException("Expected owner key O " +
                    "value of 32 bytes; found " + o.length);
        }


        // U describes validation details for the user key
        final PDFObject uObj = encryptDict.getDictRef("U");
        if (uObj == null) {
            throw new PDFParseException(
                    "No U entry present in Encrypt dictionary");
        }
        final byte[] u = uObj.getStream();
        if (u.length != 32) {
            throw new PDFParseException(
                    "Expected user key U value of 32 bytes; found " + o.length);
        }


        // P describes the permissions regarding document usage
        final PDFObject pObj = encryptDict.getDictRef("P");
        if (pObj == null) {
            throw new PDFParseException(
                    "Required P entry in Encrypt dictionary not found");
        }


        return new StandardDecrypter(
                encryptionAlgorithm, documentId, keyLength,

View Full Code Here

  public ByteBuffer decryptBuffer(String cryptFilterName,
            PDFObject streamObj, ByteBuffer streamBuf)
            throws PDFParseException {


        if (cryptFilterName != null) {
            throw new PDFParseException("This Encryption version does not support Crypt filters");
        }


        return streamBuf;
    }

View Full Code Here

            }
        } catch (GeneralSecurityException e) {
            // Unexpected, as our test of JCE availability should have caught
            // problems with cipher availability.
            // It may well be a problem with document content?
            throw new PDFParseException("Unable to check passwords: " +
                    e.getMessage(), e);
        }


        if (this.generalKeyBytes == null) {
            throw new PDFAuthenticationFailureException(

View Full Code Here

  public ByteBuffer decryptBuffer(
            String cryptFilterName, PDFObject streamObj, ByteBuffer streamBuf)
            throws PDFParseException {


        if (cryptFilterName != null) {
            throw new PDFParseException(
                    "This encryption version does not support Crypt filters");
        }


        if (streamObj != null) {
            checkNums(streamObj.getObjNum(), streamObj.getObjGen());

View Full Code Here

        try {
            createAndInitialiseContentCipher(
                    ByteBuffer.wrap(junkBuffer),
                    junkKey);
        } catch (PDFParseException e) {
            throw new PDFParseException("Internal error; " +
                    "failed to produce test cipher: " + e.getMessage());
        } catch (NoSuchAlgorithmException e) {
            throw new EncryptionUnsupportedByPlatformException(
                    "JCE does not offer required cipher", e);
        } catch (NoSuchPaddingException e) {

View Full Code Here

        try {
            cipher = createAndInitialiseContentCipher(
                    encrypted, decryptionKeyBytes);
        } catch (GeneralSecurityException e) {
            // we should have caught this earlier in testCipherAvailability
            throw new PDFParseException(
                    "Unable to create cipher due to platform limitation: " +
                            e.getMessage(), e);
        }


        try {
            // the decrypted content will never be more than the encrypted
            // content. Thanks to padding, this buffer will be at most 16
            // bytes bigger than the encrypted content
            final ByteBuffer decryptedBuf =
                    ByteBuffer.allocate(encrypted.remaining());
            cipher.doFinal(encrypted, decryptedBuf);
            decryptedBuf.flip();
            return decryptedBuf;
        } catch (GeneralSecurityException e) {
            throw new PDFParseException(
                    "Could not decrypt: " + e.getMessage(), e);
        }
    }

View Full Code Here

            cipher = createAESCipher();
            final byte[] initialisationVector = new byte[16];
            if (encrypted.remaining() >= initialisationVector.length) {
                encrypted.get(initialisationVector);
            } else {
                throw new PDFParseException(
                        "AES encrypted stream too short - " +
                                "no room for initialisation vector");
            }


            final SecretKeySpec aesKey =
                    new SecretKeySpec(decryptionKeyBytes, KEY_AES);
            final IvParameterSpec aesIv =
                    new IvParameterSpec(initialisationVector);
            cipher.init(Cipher.DECRYPT_MODE, aesKey, aesIv);
        } else {
            throw new PDFParseException(
                    "Internal error - unhandled cipher type: " +
                            this.encryptionAlgorithm);
        }
        return cipher;
    }

View Full Code Here

        final MessageDigest md5;
        try {
            md5 = createMD5Digest();
        } catch (NoSuchAlgorithmException e) {
            // unexpected, as we will already have tested availability
            throw new PDFParseException("Unable to get MD5 digester", e);
        }
        md5.update(this.generalKeyBytes);
        md5.update((byte) objNum);
        md5.update((byte) (objNum >> 8));
        md5.update((byte) (objNum >> 16));

View Full Code Here

     * aren't true object numbers
     */
    private void checkNums(int objNum, int objGen)
            throws PDFParseException {
        if (objNum < 0) {
            throw new PDFParseException(
                    "Internal error: Object has bogus object number");
        } else if (objGen < 0) {
            throw new PDFParseException(
                    "Internal error: Object has bogus generation number");
        }
    }

View Full Code Here

0 1 2 3 4 5 6 7

TOP

Related Classes of com.sun.pdfview.PDFParseException

com.sun.pdfview.action.GoToAction

com.sun.pdfview.action.GoToEAction

com.sun.pdfview.action.LaunchAction

com.sun.pdfview.action.PDFAction

com.sun.pdfview.action.PdfObjectParseUtil

com.sun.pdfview.annotation.LinkAnnotation

com.sun.pdfview.annotation.PDFAnnotation

com.sun.pdfview.annotation.StampAnnotation

com.sun.pdfview.annotation.WidgetAnnotation

com.sun.pdfview.colorspace.PDFColorSpace

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.