List of usage examples for org.apache.pdfbox.cos COSDictionary getDictionaryObject
public COSBase getDictionaryObject(COSName key)
From source file:pdfpicmangler.PDPng.java
License:Open Source License
/** * Construct from a stream./*w ww. j a v a2 s . c o m*/ * * @param doc The document to create the image as part of. * @param is The stream that contains the png data. * @throws IOException If there is an error reading the png data. */ public PDPng(PDDocument doc, InputStream is) throws IOException { super(doc, "png"); System.out.println("reading in png"); COSDictionary dic = getCOSStream(); dic.setItem(COSName.SUBTYPE, COSName.IMAGE); //dic.setItem(COSName.TYPE, COSName.XOBJECT); data = getCOSStream().createFilteredStream(); readPng(is); setWidth(imageWidth); setHeight(imageHeight); dic.setInt(COSName.BITS_PER_COMPONENT, bitDepth); if ((colorType & PNG_TYPE_PALETTE) != 0) { getCOSStream().setItem(COSName.COLORSPACE, paldata); } else if ((colorType & PNG_TYPE_COLOR) != 0) { setColorSpace(PDDeviceRGB.INSTANCE); } else { setColorSpace(new PDDeviceGray()); } COSDictionary filterParams = new COSDictionary(); filterParams.setInt(COSName.PREDICTOR, 15); // png adaptive predictor filterParams.setInt(COSName.COLORS, ((colorType & PNG_TYPE_COLOR) == 0 || (colorType & PNG_TYPE_PALETTE) != 0) ? 1 : 3); filterParams.setInt(COSName.BITS_PER_COMPONENT, bitDepth); filterParams.setInt(COSName.COLUMNS, imageWidth); filterParams.setDirect(true); dic.setItem(COSName.DECODE_PARMS, filterParams); dic.setItem(COSName.FILTER, COSName.FLATE_DECODE); dic.setInt(COSName.LENGTH, dataLen); dic.getDictionaryObject(COSName.LENGTH).setDirect(true); }
From source file:se.streamsource.streamflow.web.application.pdf.Underlay.java
License:Apache License
private void processPages(List pages) throws IOException { Iterator pageIter = pages.iterator(); while (pageIter.hasNext()) { PDPage page = (PDPage) pageIter.next(); COSDictionary pageDictionary = page.getCOSDictionary(); COSBase contents = pageDictionary.getDictionaryObject(COSName.CONTENTS); if (contents instanceof COSStreamArray) { COSStreamArray cosStreamArray = (COSStreamArray) contents; COSArray array = new COSArray(); for (int i = 0; i < cosStreamArray.getStreamCount(); i++) { array.add(cosStreamArray.get(i)); }/*from w w w .j av a 2 s . c o m*/ mergePage(array, page); pageDictionary.setItem(COSName.CONTENTS, array); } else if (contents instanceof COSStream) { COSStream contentsStream = (COSStream) contents; COSArray array = new COSArray(); array.add(contentsStream); mergePage(array, page); pageDictionary.setItem(COSName.CONTENTS, array); } else if (contents instanceof COSArray) { COSArray contentsArray = (COSArray) contents; mergePage(contentsArray, page); } else { throw new IOException("Contents are unknown type:" + contents.getClass().getName()); } pageCount++; } }
From source file:se.streamsource.streamflow.web.application.pdf.Underlay.java
License:Apache License
/** * merges two dictionaries./*from ww w .ja v a 2s . com*/ * * @param dest * @param source */ private void mergeDictionary(COSName name, COSDictionary dest, COSDictionary source, Map objectNameMap) { COSDictionary destDict = (COSDictionary) dest.getDictionaryObject(name); COSDictionary sourceDict = (COSDictionary) source.getDictionaryObject(name); if (destDict == null) { destDict = new COSDictionary(); dest.setItem(name, destDict); } if (sourceDict != null) { for (Map.Entry<COSName, COSBase> entry : sourceDict.entrySet()) { COSName mappedKey = (COSName) objectNameMap.get(entry.getKey().getName()); if (mappedKey != null) { destDict.setItem(mappedKey, entry.getValue()); } } } }
From source file:se.streamsource.streamflow.web.application.pdf.Underlay.java
License:Apache License
/** * merges two arrays./*from ww w . j a v a 2 s . co m*/ * * @param dest * @param source */ private void mergeArray(COSName name, COSDictionary dest, COSDictionary source) { COSArray destDict = (COSArray) dest.getDictionaryObject(name); COSArray sourceDict = (COSArray) source.getDictionaryObject(name); if (destDict == null) { destDict = new COSArray(); dest.setItem(name, destDict); } for (int sourceDictIdx = 0; sourceDict != null && sourceDictIdx < sourceDict.size(); sourceDictIdx++) { COSBase key = sourceDict.get(sourceDictIdx); if (key instanceof COSName) { COSName keyname = (COSName) key; boolean bFound = false; for (int destDictIdx = 0; destDictIdx < destDict.size(); destDictIdx++) { COSBase destkey = destDict.get(destDictIdx); if (destkey instanceof COSName) { COSName destkeyname = (COSName) destkey; if (destkeyname.equals(keyname)) { bFound = true; break; } } } if (!bFound) { destDict.add(keyname); } } } }
From source file:test.be.fedict.eid.applet.PdfSpikeTest.java
License:Open Source License
@Test public void testSignPDF() throws Exception { // create a sample PDF file Document document = new Document(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); PdfWriter.getInstance(document, baos); document.open();//from ww w . ja v a 2s . c o m Paragraph titleParagraph = new Paragraph("This is a test."); titleParagraph.setAlignment(Paragraph.ALIGN_CENTER); document.add(titleParagraph); document.newPage(); Paragraph textParagraph = new Paragraph("Hello world."); document.add(textParagraph); document.close(); File tmpFile = File.createTempFile("test-", ".pdf"); LOG.debug("tmp file: " + tmpFile.getAbsolutePath()); FileUtils.writeByteArrayToFile(tmpFile, baos.toByteArray()); // eID PcscEid pcscEid = new PcscEid(new TestView(), new Messages(Locale.getDefault())); if (false == pcscEid.isEidPresent()) { LOG.debug("insert eID card"); pcscEid.waitForEidPresent(); } List<X509Certificate> signCertificateChain = pcscEid.getSignCertificateChain(); Certificate[] certs = new Certificate[signCertificateChain.size()]; for (int idx = 0; idx < certs.length; idx++) { certs[idx] = signCertificateChain.get(idx); } // open the pdf FileInputStream pdfInputStream = new FileInputStream(tmpFile); File signedTmpFile = File.createTempFile("test-signed-", ".pdf"); PdfReader reader = new PdfReader(pdfInputStream); FileOutputStream pdfOutputStream = new FileOutputStream(signedTmpFile); PdfStamper stamper = PdfStamper.createSignature(reader, pdfOutputStream, '\0', null, true); // add extra page Rectangle pageSize = reader.getPageSize(1); int pageCount = reader.getNumberOfPages(); int extraPageIndex = pageCount + 1; stamper.insertPage(extraPageIndex, pageSize); // calculate unique signature field name int signatureNameIndex = 1; String signatureName; AcroFields existingAcroFields = reader.getAcroFields(); List<String> existingSignatureNames = existingAcroFields.getSignatureNames(); do { signatureName = "Signature" + signatureNameIndex; signatureNameIndex++; } while (existingSignatureNames.contains(signatureName)); LOG.debug("new unique signature name: " + signatureName); PdfSignatureAppearance signatureAppearance = stamper.getSignatureAppearance(); signatureAppearance.setCrypto(null, certs, null, PdfSignatureAppearance.SELF_SIGNED); signatureAppearance.setCertificationLevel(PdfSignatureAppearance.CERTIFIED_NO_CHANGES_ALLOWED); signatureAppearance.setReason("PDF Signature Test"); signatureAppearance.setLocation("Belgium"); signatureAppearance.setVisibleSignature(new Rectangle(54, 440, 234, 566), extraPageIndex, signatureName); signatureAppearance.setExternalDigest(new byte[128], new byte[20], "RSA"); signatureAppearance.preClose(); byte[] content = IOUtils.toByteArray(signatureAppearance.getRangeStream()); byte[] hash = MessageDigest.getInstance("SHA-1").digest(content); byte[] signatureBytes = pcscEid.sign(hash, "SHA-1"); pcscEid.close(); PdfSigGenericPKCS sigStandard = signatureAppearance.getSigStandard(); PdfPKCS7 signature = sigStandard.getSigner(); signature.setExternalDigest(signatureBytes, hash, "RSA"); PdfDictionary dictionary = new PdfDictionary(); dictionary.put(PdfName.CONTENTS, new PdfString(signature.getEncodedPKCS1()).setHexWriting(true)); signatureAppearance.close(dictionary); LOG.debug("signed tmp file: " + signedTmpFile.getAbsolutePath()); // verify the signature reader = new PdfReader(new FileInputStream(signedTmpFile)); AcroFields acroFields = reader.getAcroFields(); ArrayList<String> signatureNames = acroFields.getSignatureNames(); for (String signName : signatureNames) { LOG.debug("signature name: " + signName); LOG.debug("signature covers whole document: " + acroFields.signatureCoversWholeDocument(signName)); LOG.debug("document revision " + acroFields.getRevision(signName) + " of " + acroFields.getTotalRevisions()); PdfPKCS7 pkcs7 = acroFields.verifySignature(signName); Calendar signDate = pkcs7.getSignDate(); LOG.debug("signing date: " + signDate.getTime()); LOG.debug("Subject: " + PdfPKCS7.getSubjectFields(pkcs7.getSigningCertificate())); LOG.debug("Document modified: " + !pkcs7.verify()); Certificate[] verifyCerts = pkcs7.getCertificates(); for (Certificate certificate : verifyCerts) { X509Certificate x509Certificate = (X509Certificate) certificate; LOG.debug("cert subject: " + x509Certificate.getSubjectX500Principal()); } } /* * Reading the signature using Apache PDFBox. */ PDDocument pdDocument = PDDocument.load(signedTmpFile); COSDictionary trailer = pdDocument.getDocument().getTrailer(); /* * PDF Reference - third edition - Adobe Portable Document Format - * Version 1.4 - 3.6.1 Document Catalog */ COSDictionary documentCatalog = (COSDictionary) trailer.getDictionaryObject(COSName.ROOT); /* * 8.6.1 Interactive Form Dictionary */ COSDictionary acroForm = (COSDictionary) documentCatalog.getDictionaryObject(COSName.ACRO_FORM); COSArray fields = (COSArray) acroForm.getDictionaryObject(COSName.FIELDS); for (int fieldIdx = 0; fieldIdx < fields.size(); fieldIdx++) { COSDictionary field = (COSDictionary) fields.getObject(fieldIdx); String fieldType = field.getNameAsString("FT"); if ("Sig".equals(fieldType)) { COSDictionary signatureDictionary = (COSDictionary) field.getDictionaryObject(COSName.V); /* * TABLE 8.60 Entries in a signature dictionary */ COSString signatoryName = (COSString) signatureDictionary.getDictionaryObject(COSName.NAME); if (null != signatoryName) { LOG.debug("signatory name: " + signatoryName.getString()); } COSString reason = (COSString) signatureDictionary.getDictionaryObject(COSName.REASON); if (null != reason) { LOG.debug("reason: " + reason.getString()); } COSString location = (COSString) signatureDictionary.getDictionaryObject(COSName.LOCATION); if (null != location) { LOG.debug("location: " + location.getString()); } Calendar signingTime = signatureDictionary.getDate(COSName.M); if (null != signingTime) { LOG.debug("signing time: " + signingTime.getTime()); } String signatureHandler = signatureDictionary.getNameAsString(COSName.FILTER); LOG.debug("signature handler: " + signatureHandler); } } }
From source file:uk.ac.liverpool.thumbnails.PDFService.java
License:Open Source License
@Override public FontInformation[] extractFontList(URI u, File fff) throws MalformedURLException, IOException { SortedSet<FontInformation> ret = new TreeSet<FontInformation>(); PDDocument document = getPages(u, fff); List pages = document.getDocumentCatalog().getAllPages(); int i = 0;/*from w w w . j av a 2 s .com*/ // The code down here is easier as it gets all the fonts used in the document. Still, this would inlcude unused fonts, so we get the fonts page by page and add them to a Hash table. for (COSObject c : document.getDocument().getObjectsByType(COSName.FONT)) { if (c == null || !(c.getObject() instanceof COSDictionary)) continue; //System.out.println(c.getObject()); COSDictionary fontDictionary = (COSDictionary) c.getObject(); // System.out.println(dic.getNameAsString(COSName.BASE_FONT)); // } // } // int pagen = document.getNumberOfPages(); // i=0; // for (int p=0;p<pagen;p++){ // PDPage page = (PDPage)pages.get(p); // PDResources res = page.findResources(); // //for each page resources // if (res==null) continue; // // get the font dictionary // COSDictionary fonts = (COSDictionary) res.getCOSDictionary().getDictionaryObject( COSName.FONT ); // for( COSName fontName : fonts.keySet() ) { // COSObject font = (COSObject) fonts.getItem( fontName ); // // if the font has already been visited we ingore it // long objectId = font.getObjectNumber().longValue(); // if (ret.get(objectId)!=null) // continue; // if( font==null || ! (font.getObject() instanceof COSDictionary) ) // continue; // COSDictionary fontDictionary = (COSDictionary)font.getObject(); // Type MUSt be font if (!fontDictionary.getNameAsString(COSName.TYPE).equals("Font")) continue; // get the variables FontInformation fi = new FontInformation(); fi.fontType = fontDictionary.getNameAsString(COSName.SUBTYPE); String baseFont = fontDictionary.getNameAsString(COSName.BASE_FONT); if (baseFont == null) continue; if (Arrays.binarySearch(standard14, baseFont) >= 0) continue; COSDictionary fontDescriptor = (COSDictionary) fontDictionary.getDictionaryObject(COSName.FONT_DESC); COSBase enc = fontDictionary.getItem(COSName.ENCODING); COSBase uni = fontDictionary.getItem(COSName.TO_UNICODE); int firstChar = fontDictionary.getInt(COSName.FIRST_CHAR); int lastChar = fontDictionary.getInt(COSName.LAST_CHAR); String encoding; boolean toUnicode = uni != null; if (enc == null) { encoding = "standard14"; } if (enc instanceof COSString) { encoding = ((COSString) enc).getString(); } else { encoding = "table"; } fi.isSubset = false; boolean t = true; // Type one and TT can have subsets defineing the basename see 5.5.3 pdfref 1.6 // if (fi.fontType.lastIndexOf(COSName.TYPE1.getName())!=-1 || fi.fontType.equals(COSName.TRUE_TYPE.getName()) ) if (baseFont != null) { if (baseFont.length() > 6) { for (int k = 0; k < 6; k++) if (!Character.isUpperCase(baseFont.charAt(k))) t = false; if (baseFont.charAt(6) != '+') t = false; } else t = false; fi.isSubset = t; if (fi.isSubset) baseFont = baseFont.substring(7); } fi.fontFlags = 0; if (fi.fontType.equals(COSName.TYPE0) || fi.fontType.equals(COSName.TYPE3)) fi.isEmbedded = true; if (fontDescriptor != null) { // in Type1 charset indicates font is subsetted if (fontDescriptor.getItem(COSName.CHAR_SET) != null) fi.isSubset = true; if (fontDescriptor.getItem(COSName.FONT_FILE) != null || fontDescriptor.getItem(COSName.FONT_FILE3) != null || fontDescriptor.getItem(COSName.FONT_FILE2) != null) fi.isEmbedded = true; fi.fontFlags = fontDescriptor.getInt(COSName.getPDFName("Flags")); fi.fontFamily = fontDescriptor.getString(COSName.FONT_FAMILY); fi.fontStretch = fontDescriptor.getString(COSName.FONT_STRETCH); } fi.charset = encoding; fi.fontName = baseFont; fi.isToUnicode = toUnicode; ret.add(fi); } // for all fonts // } // for all pages Iterator<FontInformation> it = ret.iterator(); FontInformation prev = null; LinkedList<FontInformation> toDelete = new LinkedList<FontInformation>(); while (it.hasNext()) { FontInformation current = it.next(); if (prev != null && prev.fontName.equals(current.fontName) && prev.fontType.startsWith("CIDFontType")) toDelete.add(current); prev = current; } ret.removeAll(toDelete); FontInformation[] retArray = ret.toArray(new FontInformation[0]); return retArray; }
From source file:uk.bl.wa.tika.parser.pdf.pdfbox.PDFParser.java
License:Apache License
private void extractMetadata(PDDocument document, Metadata metadata) throws TikaException { PDDocumentInformation info = document.getDocumentInformation(); metadata.set(PagedText.N_PAGES, document.getNumberOfPages()); addMetadata(metadata, Metadata.TITLE, info.getTitle()); addMetadata(metadata, Metadata.AUTHOR, info.getAuthor()); addMetadata(metadata, Metadata.KEYWORDS, info.getKeywords()); addMetadata(metadata, "pdf:creator", info.getCreator()); addMetadata(metadata, "pdf:producer", info.getProducer()); addMetadata(metadata, Metadata.SUBJECT, info.getSubject()); addMetadata(metadata, "trapped", info.getTrapped()); addMetadata(metadata, "created", info.getCreationDate()); addMetadata(metadata, Metadata.CREATION_DATE, info.getCreationDate()); Calendar modified = info.getModificationDate(); addMetadata(metadata, Metadata.LAST_MODIFIED, modified); // All remaining metadata is custom // Copy this over as-is List<String> handledMetadata = Arrays.asList(new String[] { "Author", "Creator", "CreationDate", "ModDate", "Keywords", "Producer", "Subject", "Title", "Trapped" }); if (info.getCOSObject() != null && info.getCOSObject().keySet() != null) { for (COSName key : info.getCOSObject().keySet()) { String name = key.getName(); if (!handledMetadata.contains(name)) { addMetadata(metadata, name, info.getCOSObject().getDictionaryObject(key)); }//from w ww. j a v a 2 s .c o m } } // ANJ Extensions: // // // Add other data of interest: metadata.set("pdf:version", "" + document.getDocument().getVersion()); metadata.set("pdf:numPages", "" + document.getNumberOfPages()); //metadata.set("pdf:cryptoMode", ""+getCryptoModeAsString(reader)); //metadata.set("pdf:openedWithFullPermissions", ""+reader.isOpenedWithFullPermissions()); metadata.set("pdf:encrypted", "" + document.isEncrypted()); //metadata.set("pdf:metadataEncrypted", ""+document.isMetadataEncrypted()); //metadata.set("pdf:128key", ""+reader.is128Key()); //metadata.set("pdf:tampered", ""+reader.isTampered()); try { if (document.getDocumentCatalog().getMetadata() != null) { XMPMetadata xmp = XMPMetadata.load(document.getDocumentCatalog().getMetadata().exportXMPMetadata()); // There is a special class for grabbing data in the PDF schema - not sure it will add much here: // Could parse xmp:CreatorTool and pdf:Producer etc. etc. out of here. XMPSchemaPDF pdfxmp = xmp.getPDFSchema(); // Added a PDF/A schema class: xmp.addXMLNSMapping(XMPSchemaPDFA.NAMESPACE, XMPSchemaPDFA.class); XMPSchemaPDFA pdfaxmp = (XMPSchemaPDFA) xmp.getSchemaByClass(XMPSchemaPDFA.class); if (pdfaxmp != null) { metadata.set("pdfaid:part", pdfaxmp.getPart()); metadata.set("pdfaid:conformance", pdfaxmp.getConformance()); String version = "A-" + pdfaxmp.getPart() + pdfaxmp.getConformance().toLowerCase(); //metadata.set("pdfa:version", version ); metadata.set("pdf:version", version); } // TODO WARN if this XMP version is inconsistent with document header version? } } catch (IOException e) { log.error("XMP Parsing failed: " + e); metadata.set("pdf:metadata-xmp-parse-failed", "" + e); } // Attempt to determine Adobe extension level, if present: COSDictionary root = document.getDocumentCatalog().getCOSObject(); COSDictionary extensions = (COSDictionary) root.getDictionaryObject(COSName.getPDFName("Extensions")); if (extensions != null) { for (COSName extName : extensions.keySet()) { // If it's an Adobe one, interpret it to determine the extension level: if (extName.equals(COSName.getPDFName("ADBE"))) { COSDictionary adobeExt = (COSDictionary) extensions.getDictionaryObject(extName); if (adobeExt != null) { String baseVersion = adobeExt.getNameAsString(COSName.getPDFName("BaseVersion")); int el = adobeExt.getInt(COSName.getPDFName("ExtensionLevel")); metadata.set("pdf:version", baseVersion + " Adobe Extension Level " + el); } // TODO WARN if this embedded version is inconsistent with document header version? } else { // WARN that there is an Extension, but it's not Adobe's, and so is a 'new' format'. metadata.set("pdf:foundNonAdobeExtensionName", extName.getName()); } } } // End Of ANJ Extensions. }