Package com.itextpdf.text.exceptions

Examples of com.itextpdf.text.exceptions.BadPasswordException

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                md.update(password, 0, Math.min(password.length, 127));
                md.update(uValue, VALIDATION_SALT_OFFSET, SALT_LENGHT);
                hash = md.digest();
                isUserPass = compareArray(hash, uValue, 32);
                if (!isUserPass)
                    throw new BadPasswordException(MessageLocalization.getComposedMessage("bad.user.password"));
                md.update(password, 0, Math.min(password.length, 127));
                md.update(uValue, KEY_SALT_OFFSET, SALT_LENGHT);
                hash = md.digest();
                AESCipherCBCnoPad ac = new AESCipherCBCnoPad(false, hash);
                key = ac.processBlock(ueValue, 0, ueValue.length);
            }
            AESCipherCBCnoPad ac = new AESCipherCBCnoPad(false, key);
            byte[] decPerms = ac.processBlock(perms, 0, perms.length);
            if (decPerms[9] != (byte)'a' || decPerms[10] != (byte)'d' || decPerms[11] != (byte)'b')
                throw new BadPasswordException(MessageLocalization.getComposedMessage("bad.user.password"));
            permissions = (decPerms[0] & 0xff) | ((decPerms[1] & 0xff) << 8)
                    | ((decPerms[2] & 0xff) << 16) | ((decPerms[2] & 0xff) << 24);
            encryptMetadata = decPerms[8] == (byte)'T';
            return isOwnerPass;
        }
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     * @throws IOException
     */
    protected PdfStamperImp(PdfReader reader, OutputStream os, char pdfVersion, boolean append) throws DocumentException, IOException {
        super(new PdfDocument(), os);
        if (!reader.isOpenedWithFullPermissions())
            throw new BadPasswordException(MessageLocalization.getComposedMessage("pdfreader.not.opened.with.owner.password"));
        if (reader.isTampered())
            throw new DocumentException(MessageLocalization.getComposedMessage("the.original.document.was.reused.read.it.again.from.file"));
        reader.setTampered(true);
        this.reader = reader;
        file = reader.getSafeFile();
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            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{
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                decrypt.setupByOwnerPassword(documentID, password, uValue, oValue, pValue);
                if (!equalsArray(uValue, decrypt.userKey, rValue == 3 || rValue == 4 ? 16 : 32)) {
                    //check by user password
                    decrypt.setupByUserPassword(documentID, password, oValue, pValue);
                    if (!equalsArray(uValue, decrypt.userKey, rValue == 3 || rValue == 4 ? 16 : 32)) {
                        throw new BadPasswordException(MessageLocalization.getComposedMessage("bad.user.password"));
                    }
                }
                else
                    ownerPasswordUsed = true;
            }
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            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();
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                decrypt.setupByOwnerPassword(documentID, password, uValue, oValue, pValue);
                if (!equalsArray(uValue, decrypt.userKey, rValue == 3 || rValue == 4 ? 16 : 32)) {
                    //check by user password
                    decrypt.setupByUserPassword(documentID, password, oValue, pValue);
                    if (!equalsArray(uValue, decrypt.userKey, rValue == 3 || rValue == 4 ? 16 : 32)) {
                        throw new BadPasswordException(MessageLocalization.getComposedMessage("bad.user.password"));
                    }
                }
                else
                    ownerPasswordUsed = true;
            }
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                md.update(password, 0, Math.min(password.length, 127));
                md.update(uValue, VALIDATION_SALT_OFFSET, SALT_LENGHT);
                hash = md.digest();
                isUserPass = compareArray(hash, uValue, 32);
                if (!isUserPass)
                    throw new BadPasswordException(MessageLocalization.getComposedMessage("bad.user.password"));
                md.update(password, 0, Math.min(password.length, 127));
                md.update(uValue, KEY_SALT_OFFSET, SALT_LENGHT);
                hash = md.digest();
                AESCipherCBCnoPad ac = new AESCipherCBCnoPad(false, hash);
                key = ac.processBlock(ueValue, 0, ueValue.length);
            }
            AESCipherCBCnoPad ac = new AESCipherCBCnoPad(false, key);
            byte[] decPerms = ac.processBlock(perms, 0, perms.length);
            if (decPerms[9] != (byte)'a' || decPerms[10] != (byte)'d' || decPerms[11] != (byte)'b')
                throw new BadPasswordException(MessageLocalization.getComposedMessage("bad.user.password"));
            permissions = (decPerms[0] & 0xff) | ((decPerms[1] & 0xff) << 8)
                    | ((decPerms[2] & 0xff) << 16) | ((decPerms[2] & 0xff) << 24);
            encryptMetadata = decPerms[8] == (byte)'T';
            return isOwnerPass;
        }
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     * @throws IOException
     */
    PdfStamperImp(PdfReader reader, OutputStream os, char pdfVersion, boolean append) throws DocumentException, IOException {
        super(new PdfDocument(), os);
        if (!reader.isOpenedWithFullPermissions())
            throw new BadPasswordException(MessageLocalization.getComposedMessage("pdfreader.not.opened.with.owner.password"));
        if (reader.isTampered())
            throw new DocumentException(MessageLocalization.getComposedMessage("the.original.document.was.reused.read.it.again.from.file"));
        reader.setTampered(true);
        this.reader = reader;
        file = reader.getSafeFile();
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        addDocument(reader);
    }

    void addDocument(PdfReader reader) throws DocumentException, IOException {
        if (!reader.isOpenedWithFullPermissions())
            throw new BadPasswordException(MessageLocalization.getComposedMessage("pdfreader.not.opened.with.owner.password"));
        openDoc();
        if (readers2intrefs.containsKey(reader)) {
            reader = new PdfReader(reader);
        }
        else {
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            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();
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Related Classes of com.itextpdf.text.exceptions.BadPasswordException

  • com.itextpdf.text.pdf.PdfCopy
  • com.itextpdf.text.pdf.PdfCopyFieldsImp
  • com.itextpdf.text.pdf.PdfEncryption
  • com.itextpdf.text.pdf.PdfReader
  • com.itextpdf.text.pdf.PdfStamperImp
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