From 535a04fa05f739ec16dd81666e3b0f82dfbd442d Mon Sep 17 00:00:00 2001 From: tknall Date: Wed, 9 Jan 2013 15:41:29 +0000 Subject: pdf-as-lib maven project files moved to pdf-as-lib git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../signator/textual/TextualSignator_1_0_0.java | 212 +++++++++++++++++++++ 1 file changed, 212 insertions(+) create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java (limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java') diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java new file mode 100644 index 0000000..d0793d6 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java @@ -0,0 +1,212 @@ +/** + * Copyright 2006 by Know-Center, Graz, Austria + * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a + * joint initiative of the Federal Chancellery Austria and Graz University of + * Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + * + * $Id: TextualSignator_1_0_0.java,v 1.3 2006/10/31 08:07:50 wprinz Exp $ + */ +package at.gv.egiz.pdfas.impl.signator.textual; + +import java.util.HashMap; +import java.util.Iterator; + +import at.gv.egiz.pdfas.api.timestamp.TimeStamper; +import at.gv.egiz.pdfas.exceptions.ErrorCode; +import at.gv.egiz.pdfas.exceptions.framework.SignatorException; +import at.gv.egiz.pdfas.framework.input.DataSource; +import at.gv.egiz.pdfas.framework.input.PdfDataSource; +import at.gv.egiz.pdfas.framework.output.DataSink; +import at.gv.egiz.pdfas.framework.signator.Signator; +import at.gv.egiz.pdfas.framework.signator.SignatorInformation; +import at.gv.egiz.pdfas.impl.input.TextDataSourceImpl; +import at.gv.egiz.pdfas.impl.signator.IncrementalUpdateHelper; +import at.gv.egiz.pdfas.utils.OgnlUtil; +import at.knowcenter.wag.egov.egiz.PdfAS; +import at.knowcenter.wag.egov.egiz.PdfASID; +import at.knowcenter.wag.egov.egiz.cfg.OverridePropertyHolder; +import at.knowcenter.wag.egov.egiz.exceptions.PresentableException; +import at.knowcenter.wag.egov.egiz.framework.SignatorFactory; +import at.knowcenter.wag.egov.egiz.pdf.IncrementalUpdateInformation; +import at.knowcenter.wag.egov.egiz.pdf.ObjectExtractor; +import at.knowcenter.wag.egov.egiz.pdf.PositioningInstruction; +import at.knowcenter.wag.egov.egiz.pdf.TablePos; +import at.knowcenter.wag.egov.egiz.sig.SignatureDataImpl; +import at.knowcenter.wag.egov.egiz.sig.SignatureEntry; +import at.knowcenter.wag.egov.egiz.sig.SignatureObject; +import at.knowcenter.wag.egov.egiz.sig.SignatureTypeDefinition; +import at.knowcenter.wag.egov.egiz.sig.SignatureTypes; +import at.knowcenter.wag.egov.egiz.sig.signatureobject.SignatureObjectHelper; + +import com.lowagie.text.pdf.PdfPTable; + +/** + * Signs a document textually. + * + *

+ * In prepareSign, the document text is extracted and normalized. + *

+ *

+ * In finishSign, the signed SignatureObject is transformed into a Signature + * block, which is then written as an Incremental Update. + *

+ * + * @author wprinz + */ +public class TextualSignator_1_0_0 implements Signator +{ + /** + * The Pdf-AS ID of this Signator. + */ + public static final PdfASID MY_ID = new PdfASID(SignatorFactory.VENDOR, SignatorFactory.TYPE_TEXTUAL, SignatorFactory.VERSION_1_0_0); + + /** + * @see at.knowcenter.wag.egov.egiz.framework.Signator#getMyId() + */ + public PdfASID getMyId() + { + return MY_ID; + } + + /** + * Default constructor. + */ + public TextualSignator_1_0_0() + { + // Default constructor. + } + + /** + *

+ * The parameter has_SIG_ID is not used by this Signator because it doesn't + * pre-format the signature block. + *

+ * + * @see at.gv.egiz.pdfas.framework.signator.Signator#prepareSign(at.gv.egiz.pdfas.framework.input.PdfDataSource, + * java.lang.String, at.knowcenter.wag.egov.egiz.pdf.TablePos, boolean) + */ + public SignatorInformation prepareSign(PdfDataSource pdfDataSource, String profile, TablePos pos, TimeStamper timestamper) throws SignatorException + { + try + { + + SignatureTypeDefinition std = SignatureTypes.getInstance().getSignatureTypeDefinition(profile); + if (!std.isTextExtractable()) + { + throw new SignatorException(ErrorCode.PROFILE_NOT_USABLE_FOR_TEXT, "The signature profile " + profile + " is not text extractable and thereby cannot be used for textual signature."); + } + + TextualSignatorInformation tsi = new TextualSignatorInformation(); + tsi.originalDocument = pdfDataSource; + tsi.profile = profile; + tsi.pos = pos; + + String document_text = PdfAS.extractNormalizedTextTextual(pdfDataSource, this.getEncoding()); + tsi.setNonTextualObjects(ObjectExtractor.extractNonTextInfo(pdfDataSource)); + // logger_.debug("signed_text = " + document_text); + + DataSource ds = new TextDataSourceImpl(document_text); + tsi.signatureData = new SignatureDataImpl(ds, "text/plain", "UTF-8"); + + return tsi; + } + catch (PresentableException pe) + { + throw new SignatorException(pe); + } + } + + /** + * @see at.gv.egiz.pdfas.framework.signator.Signator#finishSign(at.gv.egiz.pdfas.framework.signator.SignatorInformation, + * at.gv.egiz.pdfas.framework.output.DataSink) + */ + public void finishSign(SignatorInformation signatorInformation, DataSink dataSink) throws SignatorException + { + try + { + TextualSignatorInformation tsi = (TextualSignatorInformation) signatorInformation; + + // PdfAS.prefixID(iui.signed_signature_object, PdfAS.TEXT_ID); + + // iui.signed_signature_object.kz = getMyId().toString(); + tsi.signSignatureObject.kz = getMyId().toString(); + // TODO what is this for? + + SignatureObject so = SignatureObjectHelper.convertSignSignatureObjectToSignatureObject(tsi.signSignatureObject, tsi.profile); + + evaluteOgnl(so, tsi); + + PdfPTable pdf_table = PdfAS.createPdfPTableFromSignatureObject(so); + + PositioningInstruction pi = PdfAS.determineTablePositioning(tsi.pos, tsi.profile, tsi.originalDocument, pdf_table); + + IncrementalUpdateInformation iui = IncrementalUpdateHelper.writeIncrementalUpdateToDataSink(tsi.originalDocument, dataSink, pdf_table, tsi.profile, pi, null, signatorInformation, so); + tsi.atp = iui.actualTablePos; + +// OutputStream os = dataSink.createOutputStream(PdfAS.PDF_MIME_TYPE); +// os.write(signed_iui.signed_pdf); +// os.close(); + +// SignResult sign_result = new SignResult(PdfAS.PDF_MIME_TYPE, signed_iui.signed_pdf); +// return sign_result; + } + catch (PresentableException pe) + { + throw new SignatorException(pe); + } + finally { + OverridePropertyHolder.removeOgnlUtil(); + } +// catch (IOException e) +// { +// throw new SignatorException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e); +// } + } + + private void evaluteOgnl(SignatureObject so, TextualSignatorInformation tsi) { + HashMap ognlCtx = new HashMap(); + //ognlCtx.put("iui", tsi.); + ognlCtx.put("sso", tsi.signSignatureObject); + ognlCtx.put("issuer", tsi.signSignatureObject.getIssuerDNMap()); + ognlCtx.put("subject", tsi.signSignatureObject.getSubjectDNMap()); + OgnlUtil ognl = new OgnlUtil(ognlCtx); + OverridePropertyHolder.setOgnlUtil(ognl); + + Iterator it = so.getSigEntries().values().iterator(); + while (it.hasNext()) + { + SignatureEntry se = (SignatureEntry) it.next(); + + if (ognl.containsExpression(se.getValue())) { + // evaluate expression + String res = ognl.compileMessage(se.getValue()); + se.setValue(res); + //ri.value = this.normalizer.normalize(res, true); + + } + } + } + + public String getEncoding() { + // old signatures used this encoding implicit most of the time (windows default) + return "cp1252"; + } + +} -- cgit v1.2.3