Example usage for com.lowagie.text.pdf PdfDictionary getAsDict

List of usage examples for com.lowagie.text.pdf PdfDictionary getAsDict

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Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfDictionary getAsDict.

Prototype

public PdfDictionary getAsDict(PdfName key)

Source Link

Document

Returns a PdfObject as a PdfDictionary, resolving indirect references.

Usage

From source file:es.gob.afirma.signers.pades.ltv.PdfDocumentSecurityStore.java

License:Open Source License

/** Constructor para inicializar la clase con una estructura DSS ya creada.
 * @param dss Diccionario DSS//  w  w  w .j  av a 2  s .c o  m
 * @throws IOException En caso de errores de entrada / salida */
PdfDocumentSecurityStore(final PdfDictionary dss) throws IOException {
    int i = 0;
    PdfArray arrayCerts = dss.getAsArray(new PdfName(PDF_NAME_CERTS));
    if (arrayCerts != null) {
        for (final Iterator<PdfObject> iterator = arrayCerts.listIterator(); iterator.hasNext();) {
            final PdfIndirectReference reference = (PdfIndirectReference) iterator.next();
            this.certificates.put(Integer.valueOf(i),
                    getContentBytesFromContentObject(PdfReader.getPdfObject(reference)));
            i++;
        }

    }
    PdfArray arrayOcsps = dss.getAsArray(new PdfName(PDF_NAME_OCSPS));
    if (arrayOcsps != null) {
        i = 0;
        for (final Iterator<PdfObject> iterator = arrayOcsps.listIterator(); iterator.hasNext();) {
            final PdfIndirectReference reference = (PdfIndirectReference) iterator.next();
            this.ocsps.put(Integer.valueOf(i),
                    getContentBytesFromContentObject(PdfReader.getPdfObject(reference)));
            i++;
        }

    }
    PdfArray arrayCrls = dss.getAsArray(new PdfName(PDF_NAME_CRLS));
    if (arrayCrls != null) {
        i = 0;
        for (final Iterator<PdfObject> iterator = arrayCrls.listIterator(); iterator.hasNext();) {
            final PdfIndirectReference reference = (PdfIndirectReference) iterator.next();
            this.crls.put(Integer.valueOf(i),
                    getContentBytesFromContentObject(PdfReader.getPdfObject(reference)));
            i++;
        }

    }
    final PdfDictionary vri = dss.getAsDict(new PdfName(PDF_NAME_VRI));
    if (vri != null) {
        PdfName key;
        ValidationInformation val;
        for (final Iterator<PdfName> iterator = vri.getKeys().iterator(); iterator.hasNext(); this.signatures
                .put(key.toString().substring(1), val)) {
            key = iterator.next();
            final PdfDictionary vriEntry = vri.getAsDict(key);
            arrayCerts = vriEntry.getAsArray(new PdfName(PDF_NAME_CERT));
            int certId[];
            if (arrayCerts != null) {
                certId = new int[arrayCerts.size()];
                for (i = 0; i < arrayCerts.size(); i++) {
                    final PdfIndirectReference reference = (PdfIndirectReference) arrayCerts.getPdfObject(i);
                    final byte referenceBytes[] = getContentBytesFromContentObject(
                            PdfReader.getPdfObject(reference));
                    final Iterator<Integer> iteratorKeys = this.certificates.keySet().iterator();
                    do {
                        if (!iteratorKeys.hasNext()) {
                            break;
                        }
                        final int index = iteratorKeys.next().intValue();
                        if (Arrays.equals(referenceBytes, this.certificates.get(Integer.valueOf(index)))) {
                            certId[i] = index;
                        }
                    } while (true);
                }

            } else {
                certId = new int[0];
            }
            arrayOcsps = vriEntry.getAsArray(new PdfName(PDF_NAME_OCSP));
            int ocspId[];
            if (arrayOcsps != null) {
                ocspId = new int[arrayOcsps.size()];
                i = 0;
                for (final Iterator<PdfObject> iteratorOcsps = arrayOcsps.listIterator(); iteratorOcsps
                        .hasNext();) {
                    final PdfIndirectReference reference = (PdfIndirectReference) iteratorOcsps.next();
                    final byte referenceBytes[] = getContentBytesFromContentObject(
                            PdfReader.getPdfObject(reference));
                    final Iterator<Integer> iteratorKeys = this.ocsps.keySet().iterator();
                    do {
                        if (!iteratorKeys.hasNext()) {
                            break;
                        }
                        final int index = iteratorKeys.next().intValue();
                        if (Arrays.equals(referenceBytes, this.ocsps.get(Integer.valueOf(index)))) {
                            ocspId[i] = index;
                        }
                    } while (true);
                    i++;
                }

            } else {
                ocspId = new int[0];
            }
            arrayCrls = vriEntry.getAsArray(new PdfName(PDF_NAME_CRL));
            int crlId[];
            if (arrayCrls != null) {
                crlId = new int[arrayCrls.size()];
                i = 0;
                for (final Iterator<PdfObject> iteratorCRLs = arrayCrls.listIterator(); iteratorCRLs
                        .hasNext();) {
                    final PdfIndirectReference reference = (PdfIndirectReference) iteratorCRLs.next();
                    final byte referenceBytes[] = getContentBytesFromContentObject(
                            PdfReader.getPdfObject(reference));
                    final Iterator<Integer> iteratorKeys = this.crls.keySet().iterator();
                    do {
                        if (!iteratorKeys.hasNext()) {
                            break;
                        }
                        final int index = iteratorKeys.next().intValue();
                        if (Arrays.equals(referenceBytes, this.crls.get(Integer.valueOf(index)))) {
                            crlId[i] = index;
                        }
                    } while (true);
                    i++;
                }

            } else {
                crlId = new int[0];
            }
            Calendar date = null;
            if (vriEntry.get(PdfName.TU) != null) {
                if (vriEntry.get(PdfName.TU) instanceof PdfDate) {
                    date = PdfDate.decode(((PdfDate) vriEntry.get(PdfName.TU)).getEncoding());
                }
                if (vriEntry.get(PdfName.TU) instanceof PdfString) {
                    date = PdfDate.decode(vriEntry.getAsString(PdfName.TU).getEncoding());
                }
            }
            val = new ValidationInformation(key, certId, ocspId, crlId, date);
        }
    }
}

From source file:eu.europa.ec.markt.dss.validation.pades.PDFDocumentValidator.java

License:Open Source License

@Override
protected SignatureLevelLTV verifyLevelLTV(AdvancedSignature signature, Date referenceTime,
        ValidationContext ctx) {/*from  w ww.j  av  a  2 s.  c om*/
    try {
        PAdESSignature pades = (PAdESSignature) signature;
        LOG.info("Starting LTV validation of signature: " + pades.getPdfPkcs7().getSignName() + " / "
                + PdfPKCS7.getSubjectFields(pades.getPdfPkcs7().getSigningCertificate()));

        PdfDictionary catalog = pades.getOuterCatalog();
        if (catalog == null) {
            catalog = pades.getPdfReader().getCatalog();
        }

        PdfDictionary dss = catalog.getAsDict(new PdfName("DSS"));

        if (dss == null) {
            LOG.info("No DSS dictionary!");
            return new SignatureLevelLTV(new Result(ResultStatus.INVALID, "no.dss.dictionary"), null, null);
        }

        LOG.info("DSS dictionary found");

        PdfName sigType = pades.getSignatureDictionary().getAsName(PdfName.TYPE);
        // PdfName subfilter = pades.getSignatureDictionary().getAsName(PdfName.SUBFILTER);

        TimestampVerificationResult docTimestampCheck = null;

        boolean dssCertsVerificationResult = everyCertificateValueAreThere(ctx,
                pades.getExtendedCertificateSource().getCertificates(), pades.getSigningCertificate());
        boolean dssRevocationVerificationResult = true;
        dssRevocationVerificationResult &= everyCRLValueOrRefAreThere(ctx, pades.getCRLs());
        dssRevocationVerificationResult &= everyOCSPValueOrRefAreThere(ctx, pades.getOCSPs());
        boolean vriVerificationresult = true;

        if (sigType != null) {
            if (sigType.equals(new PdfName("Sig"))) {
                // Standard signature

                PdfDictionary vri = dss.getAsDict(new PdfName("VRI"));

                if (vri == null) {
                    LOG.info("No VRI dictionary, this is optional but required by Adobe Acrobat");
                    return new SignatureLevelLTV(new Result(ResultStatus.INVALID, "no.vri.dictionary"), null,
                            null);
                }

                // Verify the VRI
                MessageDigest _md = MessageDigest.getInstance("SHA1");
                String hexHash = Hex
                        .encodeHexString(
                                _md.digest(pades.getSignatureDictionary().get(PdfName.CONTENTS).getBytes()))
                        .toUpperCase();

            } else if (sigType.equals(new PdfName("DocTimeStamp"))) {

            } else {
                throw new RuntimeException("Unknown signature dictionary type");
            }
        }

        Result levelReached = null;
        if (dssCertsVerificationResult && dssRevocationVerificationResult) {
            levelReached = new Result(ResultStatus.VALID, null);
        } else {
            levelReached = new Result();
            if (!dssCertsVerificationResult) {
                levelReached.setStatus(ResultStatus.INVALID, "dss.certs.verification.result.error");
            } else if (!dssRevocationVerificationResult) {
                levelReached.setStatus(ResultStatus.INVALID, "dss.revocation.verification.result.error");
            } else if (!vriVerificationresult) {
                levelReached.setStatus(ResultStatus.INVALID, "vri.verification.result.error");
            }
        }

        return new SignatureLevelLTV(levelReached,
                new Result((dssCertsVerificationResult) ? ResultStatus.VALID : ResultStatus.INVALID, null),
                new Result((dssRevocationVerificationResult) ? ResultStatus.VALID : ResultStatus.INVALID,
                        null));

    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
}

From source file:questions.forms.AddActionToField.java

public static void main(String[] args) {
    try {/* w w w .  ja  v  a  2  s. c om*/
        PdfReader reader = new PdfReader(RESOURCE);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
        AcroFields form = stamper.getAcroFields();
        Item fd = form.getFieldItem("Who");
        PdfDictionary dict = (PdfDictionary) PdfReader.getPdfObject((PdfObject) fd.getWidgetRef(0));
        PdfDictionary aa = dict.getAsDict(PdfName.AA);
        if (aa == null)
            aa = new PdfDictionary();
        aa.put(new PdfName("Fo"),
                PdfAction.javaScript("app.alert('Who has got the focus!?');", stamper.getWriter()));
        dict.put(PdfName.AA, aa);
        stamper.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

From source file:questions.forms.FillDynamicXfa.java

public static void main(String[] args) {
    try {/*  w  ww  . ja  va 2  s.c o  m*/
        PdfReader reader = new PdfReader(RESOURCE_PDF);
        File file = new File(RESOURCE_DATA);
        byte[] data = new byte[(int) file.length()];
        FileInputStream is = new FileInputStream(file);
        int offset = 0;
        int numRead = 0;
        int datalength = data.length;
        while (offset < datalength && (numRead = is.read(data, offset, datalength - offset)) >= 0) {
            offset += numRead;
        }
        PdfDictionary root = reader.getCatalog();
        PdfDictionary acroform = root.getAsDict(PdfName.ACROFORM);
        PdfArray xfa = acroform.getAsArray(PdfName.XFA);
        for (int i = 0; i < xfa.size(); i += 2) {
            if ("datasets".equals(xfa.getAsString(i).toString())) {
                PRStream s = (PRStream) xfa.getAsStream(i + 1);
                s.setData(data);
            }
        }
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
        stamper.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

From source file:questions.forms.GetTextFields.java

@SuppressWarnings("unchecked")
public static void main(String[] args) {
    try {/*www . j av a2s  .c  o m*/
        PrintStream out = new PrintStream(new File(RESULT));

        PdfLister lister = new PdfLister(out);

        PdfReader reader = new PdfReader(RESOURCE);

        PdfDictionary root = reader.getCatalog();
        PdfDictionary acroform = root.getAsDict(PdfName.ACROFORM);

        out.println("These are the form's font dictionaries:");
        PdfDictionary fonts = acroform.getAsDict(PdfName.DR).getAsDict(PdfName.FONT);
        for (PdfName key : (Set<PdfName>) fonts.getKeys()) {
            lister.listDict((PdfDictionary) PdfReader.getPdfObject(fonts.get(key)));
        }
        out.println("--------------");

        out.println("This is the default appearance for the complete form:");
        lister.listAnyObject(PdfReader.getPdfObject(acroform.get(PdfName.DA)));
        out.println("--------------");

        AcroFields form = reader.getAcroFields();
        Map<String, Item> fields = form.getFields();
        Item item;
        for (String name : fields.keySet()) {
            out.println(name);
            if (form.getFieldType(name) == AcroFields.FIELD_TYPE_TEXT) {
                item = form.getFieldItem(name);
                PdfDictionary dict = (PdfDictionary) item.getMerged(0);

                out.println("This is the field's font dictionary:");
                fonts = dict.getAsDict(PdfName.DR).getAsDict(PdfName.FONT);
                for (PdfName key : (Set<PdfName>) fonts.getKeys()) {
                    lister.listDict((PdfDictionary) PdfReader.getPdfObject(fonts.get(key)));
                }
                out.println("---");
                out.println("This is the field's default appearance");
                lister.listAnyObject(PdfReader.getPdfObject(dict.get(PdfName.DA)));
            } else {
                out.println("NOT A TEXT FIELD!");
            }
            out.println("--------------");
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:questions.forms.ReadXfa.java

public static void main(String[] args) {
    try {//from ww w  .j ava2  s  . c  o m
        PdfReader reader = new PdfReader(RESOURCE);
        FileOutputStream os = new FileOutputStream(RESULT);
        PdfDictionary root = reader.getCatalog();
        PdfDictionary acroform = root.getAsDict(PdfName.ACROFORM);
        PdfArray xfa = acroform.getAsArray(PdfName.XFA);
        for (int i = 0; i < xfa.size(); i += 2) {
            System.out.println("Reading: " + xfa.getAsString(i));
            PRStream s = (PRStream) xfa.getAsStream(i + 1);
            os.write(PdfReader.getStreamBytes(s));
        }
        os.flush();
        os.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:questions.forms.RemoveXfa.java

@SuppressWarnings("unchecked")
public static void main(String[] args) {
    try {//from ww  w.j a va2 s . c  o m
        PdfReader reader = new PdfReader(RESOURCE);
        PdfDictionary root = reader.getCatalog();
        PdfDictionary acroform = root.getAsDict(PdfName.ACROFORM);
        acroform.remove(PdfName.XFA);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
        AcroFields form = stamper.getAcroFields();
        Map<String, Item> fields = form.getFields();
        for (String field : fields.keySet()) {
            System.out.println(field);
            form.setField(field, "value");
        }
        stamper.partialFormFlattening("topmostSubform[0].Page1[0].SN_NUMBER[0]");
        stamper.setFormFlattening(true);
        stamper.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

From source file:questions.javascript.AddJavaScriptToForm.java

public static void addJavaScript(String input, String output) throws IOException, DocumentException {
    PdfReader reader = new PdfReader(input);
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(output));
    stamper.getWriter()//from   w  w w . j a va 2s .co  m
            .addJavaScript("function setReadOnly(readonly) {" + "var partner = this.getField('partner');"
                    + "if(readonly) {" + "partner.value = '';" + "}" + "partner.readonly = readonly;" + " }"
                    + "function validate() {" + "var married = this.getField('married');"
                    + "var partner = this.getField('partner');"
                    + "if (married.value == 'yes' && partner.value == '') {"
                    + "app.alert('please enter the name of your partner');" + "}" + "else {"
                    + "this.submitForm({" + " cURL:\"http://1t3xt.info/examples/request.php\","
                    + " cSubmitAs: \"HTML\"" + "});" + "}" + " }");
    AcroFields form = stamper.getAcroFields();
    Item fd = form.getFieldItem("married");

    PdfDictionary dictYes = (PdfDictionary) PdfReader.getPdfObject((PdfObject) fd.getWidgetRef(0));
    PdfDictionary yesAction = dictYes.getAsDict(PdfName.AA);
    if (yesAction == null)
        yesAction = new PdfDictionary();
    yesAction.put(new PdfName("Fo"), PdfAction.javaScript("setReadOnly(false);", stamper.getWriter()));
    dictYes.put(PdfName.AA, yesAction);

    PdfDictionary dictNo = (PdfDictionary) PdfReader.getPdfObject((PdfObject) fd.getWidgetRef(1));
    PdfDictionary noAction = dictNo.getAsDict(PdfName.AA);
    if (noAction == null)
        noAction = new PdfDictionary();
    noAction.put(new PdfName("Fo"), PdfAction.javaScript("setReadOnly(true);", stamper.getWriter()));
    dictNo.put(PdfName.AA, noAction);

    PdfWriter writer = stamper.getWriter();
    PushbuttonField button = new PushbuttonField(writer, new Rectangle(40, 690, 200, 710), "submit");
    button.setText("validate and submit");
    button.setOptions(PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT);
    PdfFormField validateAndSubmit = button.getField();
    validateAndSubmit.setAction(PdfAction.javaScript("validate();", stamper.getWriter()));
    stamper.addAnnotation(validateAndSubmit, 1);

    stamper.close();
}

From source file:questions.javascript.RemoveJavaScript.java

public static void main(String[] args) throws DocumentException, IOException {
    // creating the form with JS
    AddJavaScriptToForm.main(args);/*from  w  w w . j  a  v a 2 s  .  c o  m*/
    // removing the document level JS
    PdfReader reader = new PdfReader(AddJavaScriptToForm.RESULT);
    PdfDictionary root = reader.getCatalog();
    PdfDictionary names = root.getAsDict(PdfName.NAMES);
    names.remove(PdfName.JAVASCRIPT);
    if (names.size() == 0) {
        root.remove(PdfName.NAMES);
    }
    reader.removeUnusedObjects();
    // filling out and flattening the form
    // (if you don't flatten, you'll get JS errors!)
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
    AcroFields form = stamper.getAcroFields();
    form.setField("married", "no");
    stamper.setFormFlattening(true);
    stamper.close();
}