Example usage for com.itextpdf.text.pdf PdfStamper setEncryption

List of usage examples for com.itextpdf.text.pdf PdfStamper setEncryption

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Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfStamper setEncryption.

Prototype

public void setEncryption(final int encryptionType, final String userPassword, final String ownerPassword,
        final int permissions) throws DocumentException

Source Link

Document

Sets the encryption options for this document.

Usage

From source file:SignPDF.java

License:Open Source License

public static void main(String args[]) {
    try {//  w  w w .j a  v  a2s . com

        if (args.length != 1) {
            System.err.println("usage: $0 <pdf-file>");
            System.exit(1);
        }
        src = args[0];
        dest = src + ".temp";

        rcname = System.getenv("SIGNPDFRC");
        if (rcname == null || rcname.length() == 0)
            rcname = System.getenv("HOME") + "/.signpdf";
        else
            System.out.println("using SIGNPDFRC=" + rcname);

        if (!getProperties())
            createDefaultProperties();

        KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
        ks.load(new FileInputStream(path), keystore_password.toCharArray());
        if (alias == null || alias.length() == 0)
            alias = (String) ks.aliases().nextElement();
        Certificate[] chain = ks.getCertificateChain(alias);
        PrivateKey key = (PrivateKey) ks.getKey(alias, key_password.toCharArray());

        X509Certificate cert = (X509Certificate) ks.getCertificate(alias);
        System.out.println("Signer ID serial     " + cert.getSerialNumber());
        System.out.println("Signer ID version    " + cert.getVersion());
        System.out.println("Signer ID issuer     " + cert.getIssuerDN());
        System.out.println("Signer ID not before " + cert.getNotBefore());
        System.out.println("Signer ID not after  " + cert.getNotAfter());

        // show days valid
        long ticks_now = new Date().getTime();
        long ticks_to = cert.getNotAfter().getTime();

        long ticks_delta = (ticks_to - ticks_now) / TICKS_PER_DAY;
        System.out.println("Certificate will expire in " + ticks_delta + " days.");

        Signature s = Signature.getInstance("SHA1withRSA");
        s.initVerify(ks.getCertificate(alias));

        try {
            cert.checkValidity();
            System.out.println("Validation check passed.");
        } catch (Exception e) {
            System.out.println("Certificate expired or invalid. Abroting.");
            System.exit(1);
        }

        PdfReader reader = new PdfReader(src);
        FileOutputStream os = new FileOutputStream(dest);
        //PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0', null, false);
        PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0');
        stamper.setEncryption(true, null, null,
                PdfWriter.ALLOW_PRINTING | PdfWriter.ALLOW_SCREENREADERS | PdfWriter.ALLOW_COPY);

        HashMap<String, String> info = reader.getInfo();
        info.put("Creator", "SingPDF " + version);
        stamper.setMoreInfo(info);

        PdfSignatureAppearance appearance = stamper.getSignatureAppearance();

        appearance.setReason(reason);
        appearance.setLocation(location);
        appearance.setContact(contact);
        appearance.setCrypto(key, chain, null, PdfSignatureAppearance.WINCER_SIGNED);
        appearance.setCertificationLevel(PdfSignatureAppearance.CERTIFIED_NO_CHANGES_ALLOWED);

        /// ts + ocsp
        PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("adbe.pkcs7.detached"));
        dic.setReason(appearance.getReason());
        dic.setLocation(appearance.getLocation());
        dic.setContact(appearance.getContact());
        dic.setDate(new PdfDate(appearance.getSignDate()));
        appearance.setCryptoDictionary(dic);

        // timestamping + ocsp

        if (tsa_url != null && tsa_url.length() > 0) {

            byte[] ocsp = null;
            TSAClient tsc = null;

            int contentEstimated = 15000;
            HashMap<PdfName, Integer> exc = new HashMap<PdfName, Integer>();
            exc.put(PdfName.CONTENTS, new Integer(contentEstimated * 2 + 2));
            appearance.preClose(exc);

            InputStream data = appearance.getRangeStream();
            MessageDigest mdig = MessageDigest.getInstance("SHA1");

            byte buf[] = new byte[8192];
            int n;
            while ((n = data.read(buf)) > 0) {
                mdig.update(buf, 0, n);
            }

            if (root_cert != null && root_cert.length() > 0) {
                String url = PdfPKCS7.getOCSPURL((X509Certificate) chain[0]);
                CertificateFactory cf = CertificateFactory.getInstance("X509");
                FileInputStream is = new FileInputStream(root_cert);
                X509Certificate root = (X509Certificate) cf.generateCertificate(is);
                ocsp = new OcspClientBouncyCastle().getEncoded((X509Certificate) chain[0], root, url);
            }

            byte hash[] = mdig.digest();
            Calendar cal = Calendar.getInstance();
            PdfPKCS7 sgn = new PdfPKCS7(key, chain, null, "SHA1", null, false);
            byte sh[] = sgn.getAuthenticatedAttributeBytes(hash, cal, ocsp);
            sgn.update(sh, 0, sh.length);

            if (tsa_url != null && tsa_url.length() > 0) {
                tsc = new TSAClientBouncyCastle(tsa_url, tsa_login, tsa_passw);
                byte[] encodedSig = sgn.getEncodedPKCS7(hash, cal, tsc, ocsp);
                if (contentEstimated + 2 < encodedSig.length)
                    throw new Exception("Not enough space");
                byte[] paddedSig = new byte[contentEstimated];
                System.arraycopy(encodedSig, 0, paddedSig, 0, encodedSig.length);
                PdfDictionary dic2 = new PdfDictionary();
                dic2.put(PdfName.CONTENTS, new PdfString(paddedSig).setHexWriting(true));
                appearance.close(dic2);
            }
        }
        // ~timestamping + ocsp 

        File mysrc = new File(src);
        mysrc.delete();
        File mydest = new File(dest);
        mydest.renameTo(mysrc);

        System.exit(0);
    }

    catch (Exception e) {
        e.printStackTrace();
        System.exit(1);
    }
}

From source file:com.qmetric.document.watermark.DefaultPdfStamperFactory.java

License:Open Source License

@Override
public PdfStamper newPdfStamper(final PdfReader pdfReader, final FileContent fileContent) {
    try {/*from  ww w  . j a  va  2s.  c o  m*/
        final PdfStamper pdf = new PdfStamper(pdfReader, fileContent.getOutputStream());

        if (pdfReader.isEncrypted()) {
            pdf.setEncryption(null, ownerPassword, pdfReader.getPermissions(), pdfReader.getCryptoMode());
        }

        return pdf;
    } catch (IOException ioe) {
        throw new RuntimeException(ioe);
    } catch (com.itextpdf.text.DocumentException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.alfresco.extension.pdftoolkit.repo.action.executer.PDFEncryptionActionExecuter.java

License:Apache License

/**
 * @param reader// www. j a  v a 2  s  .  c o m
 * @param writer
 * @param options
 * @throws Exception
 */
protected final void action(Action ruleAction, NodeRef actionedUponNodeRef,
        ContentReader actionedUponContentReader, Map<String, Object> options) {

    PdfStamper stamp = null;
    File tempDir = null;
    ContentWriter writer = null;

    try {
        // get the parameters
        String userPassword = (String) options.get(PARAM_USER_PASSWORD);
        String ownerPassword = (String) options.get(PARAM_OWNER_PASSWORD);
        int permissions = buildPermissionMask(options);
        int encryptionType = Integer.parseInt((String) options.get(PARAM_ENCRYPTION_LEVEL));

        // if metadata is excluded, alter encryption type
        if ((Boolean) options.get(PARAM_EXCLUDE_METADATA)) {
            encryptionType = encryptionType | PdfWriter.DO_NOT_ENCRYPT_METADATA;
        }

        // get temp file
        File alfTempDir = TempFileProvider.getTempDir();
        tempDir = new File(alfTempDir.getPath() + File.separatorChar + actionedUponNodeRef.getId());
        tempDir.mkdir();
        File file = new File(tempDir,
                serviceRegistry.getFileFolderService().getFileInfo(actionedUponNodeRef).getName());

        // get the PDF input stream and create a reader for iText
        PdfReader reader = new PdfReader(actionedUponContentReader.getContentInputStream());
        stamp = new PdfStamper(reader, new FileOutputStream(file));

        // encrypt PDF
        stamp.setEncryption(userPassword.getBytes(Charset.forName("UTF-8")),
                ownerPassword.getBytes(Charset.forName("UTF-8")), permissions, encryptionType);
        stamp.close();

        // write out to destination
        NodeRef destinationNode = createDestinationNode(file.getName(),
                (NodeRef) ruleAction.getParameterValue(PARAM_DESTINATION_FOLDER), actionedUponNodeRef);
        writer = serviceRegistry.getContentService().getWriter(destinationNode, ContentModel.PROP_CONTENT,
                true);

        writer.setEncoding(actionedUponContentReader.getEncoding());
        writer.setMimetype(FILE_MIMETYPE);
        writer.putContent(file);
        file.delete();

        //if useAspect is true, store some additional info about the signature in the props
        if (useAspect) {
            serviceRegistry.getNodeService().addAspect(destinationNode, PDFToolkitModel.ASPECT_ENCRYPTED,
                    new HashMap<QName, Serializable>());
            serviceRegistry.getNodeService().setProperty(destinationNode, PDFToolkitModel.PROP_ENCRYPTIONDATE,
                    new java.util.Date());
            serviceRegistry.getNodeService().setProperty(destinationNode, PDFToolkitModel.PROP_ENCRYPTEDBY,
                    AuthenticationUtil.getRunAsUser());
        }

    } catch (IOException e) {
        throw new AlfrescoRuntimeException(e.getMessage(), e);
    } catch (DocumentException e) {
        throw new AlfrescoRuntimeException(e.getMessage(), e);
    } finally {
        if (tempDir != null) {
            try {
                tempDir.delete();
            } catch (Exception ex) {
                throw new AlfrescoRuntimeException(ex.getMessage(), ex);
            }
        }

        if (stamp != null) {
            try {
                stamp.close();
            } catch (Exception ex) {
                throw new AlfrescoRuntimeException(ex.getMessage(), ex);
            }
        }
    }
}

From source file:org.h819.commons.file.MyPDFUtils.java

/**
 *  pdf /*from   w  w  w.  j av  a2s  .com*/
 *
 * @param srcPdfFile       ?
 * @param descPdfFile      
 * @param userPassword     ?? ,null ?
 * @param ownerPassword    ?? ,null ?
 * @param allowHideMenuBar ????
 * @param allowHideToolbar ??
 * @param allowPrinting    ???
 * @param allowCopy        ???
 * @throws java.io.IOException
 * @throws DocumentException
 */
public static void encryptPdf(File srcPdfFile, File descPdfFile, String userPassword, String ownerPassword,
        boolean allowHideMenuBar, boolean allowHideToolbar, boolean allowPrinting, boolean allowCopy)
        throws IOException {

    if (srcPdfFile == null || !srcPdfFile.exists())
        throw new IOException("src pdf file '" + srcPdfFile + "' does not exist.");

    byte[] userByte = null;
    byte[] ownerByte = null;

    /** User password. */
    if (userPassword != null)
        userByte = userPassword.getBytes();
    /** Owner password. */
    if (ownerPassword != null)
        ownerByte = ownerPassword.getBytes();

    try {

        PdfReader reader = getPdfReader(srcPdfFile);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(descPdfFile.getAbsoluteFile()));

        // 
        // ???? PdfWriter.setViewerPreferences   addViewerPreference
        // ? api ??? addViewerPreference ?
        // ???"|"()?, ? PdfWriter.HideWindowUI
        // ???, ??

        // ( addViewerPreference )
        stamper.getWriter().addViewerPreference(PdfName.CENTERWINDOW, PdfBoolean.PDFTRUE);
        stamper.getWriter().addViewerPreference(PdfName.DISPLAYDOCTITLE, PdfBoolean.PDFTRUE);
        stamper.getWriter().addViewerPreference(PdfName.FITWINDOW, PdfBoolean.PDFTRUE);
        // writer.addViewerPreference(PdfName.HIDEWINDOWUI,
        // PdfBoolean.PDFTRUE);

        if (!allowHideToolbar)
            stamper.getWriter().addViewerPreference(PdfName.HIDETOOLBAR, PdfBoolean.PDFTRUE);

        if (!allowHideMenuBar)
            stamper.getWriter().addViewerPreference(PdfName.HIDEMENUBAR, PdfBoolean.PDFTRUE);

        //  allow 
        if (allowPrinting && allowCopy)
            stamper.setEncryption(userByte, ownerByte, PdfWriter.ALLOW_PRINTING | PdfWriter.ALLOW_COPY, true);

        else if (allowPrinting)
            stamper.setEncryption(userByte, ownerByte, PdfWriter.ALLOW_PRINTING, true);

        else if (allowCopy)
            stamper.setEncryption(userByte, ownerByte, PdfWriter.ALLOW_COPY, true);

        else
            stamper.setEncryption(userByte, ownerByte, 0, true);

        stamper.close();
        reader.close();

        logger.info(srcPdfFile.getAbsoluteFile() + " encrypt finished.");

    } catch (DocumentException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:org.h819.commons.file.MyPDFUtilss.java

/**
 *  pdf /* w ww .j  a  v  a  2 s.c o m*/
 *
 * @param srcPdfFile        ?
 * @param descPdfFile       
 * @param userPassword      ?? ,null ?
 * @param ownerPassword     ?? ,null ?
 * @param allow_HideMenubar ????
 * @param allow_HideToolbar ??
 * @param allow_printing    ???
 * @param allow_copy        ???
 * @throws java.io.IOException
 * @throws DocumentException
 */
public static void encryptPdf(File srcPdfFile, File descPdfFile, String userPassword, String ownerPassword,
        boolean allow_HideMenubar, boolean allow_HideToolbar, boolean allow_printing, boolean allow_copy)
        throws IOException {

    if (srcPdfFile == null || !srcPdfFile.exists())
        throw new IOException("src pdf file '" + srcPdfFile + "' does not exsit.");

    byte[] USER = null;
    byte[] OWNER = null;

    /** User password. */
    if (userPassword != null)
        USER = userPassword.getBytes();
    /** Owner password. */
    if (ownerPassword != null)
        OWNER = ownerPassword.getBytes();

    try {

        PdfReader reader = getPdfReader(srcPdfFile);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(descPdfFile.getAbsoluteFile()));

        // 
        // ???? PdfWriter.setViewerPreferences   addViewerPreference
        // ? api ??? addViewerPreference ?
        // ???"|"()?, ? PdfWriter.HideWindowUI
        // ???, ??

        // ( addViewerPreference )
        stamper.getWriter().addViewerPreference(PdfName.CENTERWINDOW, PdfBoolean.PDFTRUE);
        stamper.getWriter().addViewerPreference(PdfName.DISPLAYDOCTITLE, PdfBoolean.PDFTRUE);
        stamper.getWriter().addViewerPreference(PdfName.FITWINDOW, PdfBoolean.PDFTRUE);
        // writer.addViewerPreference(PdfName.HIDEWINDOWUI,
        // PdfBoolean.PDFTRUE);

        if (!allow_HideToolbar)
            stamper.getWriter().addViewerPreference(PdfName.HIDETOOLBAR, PdfBoolean.PDFTRUE);

        if (!allow_HideMenubar)
            stamper.getWriter().addViewerPreference(PdfName.HIDEMENUBAR, PdfBoolean.PDFTRUE);

        //  allow 
        if (allow_printing && allow_copy)
            stamper.setEncryption(USER, OWNER, PdfWriter.ALLOW_PRINTING | PdfWriter.ALLOW_COPY, true);

        else if (allow_printing)
            stamper.setEncryption(USER, OWNER, PdfWriter.ALLOW_PRINTING, true);

        else if (allow_copy)
            stamper.setEncryption(USER, OWNER, PdfWriter.ALLOW_COPY, true);

        else
            stamper.setEncryption(USER, OWNER, 0, true);

        stamper.close();

        logger.info(srcPdfFile.getAbsoluteFile() + " encrypt finished.");

    } catch (DocumentException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:tutorials.encryptpdf.encryptpdf.java

public static void main(String[] args) {
    try {/*  w  w w.j a  v a 2  s.  co m*/
        PdfReader reader = new PdfReader("test.pdf");
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("encrypted.pdf"));
        stamper.setEncryption(null, null, PdfWriter.ALLOW_PRINTING,
                PdfWriter.ENCRYPTION_AES_256 | PdfWriter.DO_NOT_ENCRYPT_METADATA);
        stamper.close();
        reader.close();
    } catch (IOException | DocumentException ex) {
        ex.printStackTrace();
    }
}