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-rw-r--r--src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java124
1 files changed, 12 insertions, 112 deletions
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java
index ebf7d42..4672cc5 100644
--- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java
@@ -28,12 +28,9 @@ import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
-import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
-import javax.xml.datatype.DatatypeFactory;
-import javax.xml.datatype.XMLGregorianCalendar;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -45,7 +42,6 @@ import at.gv.egiz.pdfas.exceptions.pdf.KZSettingNotFoundException;
import at.gv.egiz.pdfas.framework.input.PdfDataSource;
import at.gv.egiz.pdfas.framework.output.DataSink;
import at.gv.egiz.pdfas.framework.signator.SignatorInformation;
-import at.gv.egiz.pdfas.utils.OgnlUtil;
import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
import at.knowcenter.wag.egov.egiz.exceptions.PlaceholderException;
@@ -65,7 +61,6 @@ import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PRStream;
import com.lowagie.text.pdf.PdfArray;
import com.lowagie.text.pdf.PdfContentByte;
-import com.lowagie.text.pdf.PdfDate;
import com.lowagie.text.pdf.PdfDictionary;
import com.lowagie.text.pdf.PdfIndirectObject;
import com.lowagie.text.pdf.PdfIndirectReference;
@@ -74,8 +69,6 @@ import com.lowagie.text.pdf.PdfNumber;
import com.lowagie.text.pdf.PdfObject;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfReader;
-import com.lowagie.text.pdf.PdfSignature;
-import com.lowagie.text.pdf.PdfSignatureAppearance;
import com.lowagie.text.pdf.PdfStamper;
import com.lowagie.text.pdf.PdfStamperImp;
import com.lowagie.text.pdf.PdfString;
@@ -241,8 +234,6 @@ public abstract class BinarySignature
*/
protected static final PdfNumber NUMBER_PLACEHOLDER = new PdfNumber(99999999);
- public static final String ADOBE_SIG_TEXT_KEY = "adobeSignText";
-
/**
* Extracts the signature text only.
*
@@ -812,8 +803,13 @@ public abstract class BinarySignature
// IMPORTANT: append the new content to the original document using
// incremental updated
// The stamper allows this by setting append = true
- //PdfStamper stamper = new PdfStamper(reader, baos, '\0', true);
- PdfStamper stamper = PdfStamper.createSignature(reader, baos, '\0', null, true);
+ boolean adobeSigField = AdobeSignatureHelper.isAdobeSignatureFieldEnabled(so.getSignatureTypeDefinition().getType());
+ PdfStamper stamper = null;
+ if (adobeSigField) {
+ stamper = PdfStamper.createSignature(reader, baos, '\0', null, true);
+ } else {
+ stamper = new PdfStamper(reader, baos, '\0', true);
+ }
if (pi.isMakeNewPage())
{
@@ -909,7 +905,11 @@ public abstract class BinarySignature
}
//stamper.close();
- createAdobeSigAttrib(stamper, si, so, atp); // here..., stamper is closed
+ if (adobeSigField) {
+ AdobeSignatureHelper.createAdobeSignatureField(stamper, si, so, atp); // here..., stamper is closed
+ } else {
+ stamper.close();
+ }
// System.out.println("wprinz: STAMPING FINISHED");
// just to make sure the stream is really closed
@@ -931,106 +931,6 @@ public abstract class BinarySignature
}
/**
- * Writes Adobe-pdf signature entry with itext
- * @param stamper
- * @param si
- * @param so
- * @param atp
- * @throws PresentableException
- */
- public static void createAdobeSigAttrib(PdfStamper stamper, SignatorInformation si, SignatureObject so, ActualTablePos atp)
- throws PresentableException {
-
- try {
- logger.info("create adobe signature field");
- PdfSignatureAppearance sap = stamper.getSignatureAppearance();
-
- sap.setCrypto(null, null, null, null);
- // supress overlay text for visible signatures
- sap.setLayer2Text("");
- sap.setLayer4Text("");
-
- // the following line marks the sig block as adobe sig
- //sap.setVisibleSignature(createRectangleFromTablePos(iui.actualTablePos), iui.actualTablePos.page, "PDF-AS-Signatur");
- sap.setVisibleSignature(new Rectangle(0, 0, 0, 0), atp.page, "PDF-AS-Signatur");
- String subfilter = "unknown";
- if (so != null && so.getKZ() != null) {
- subfilter = so.getKZ().toString();
- } else if (si != null) {
- subfilter = si.getSignSignatureObject().kz;
- }
- PdfSignature sig = new PdfSignature(new PdfName("Adobe.PDF-AS"), new PdfName(subfilter));
- // the following fields are not shown by the reader, because its is no Standard filter
- //sig.setLocation("location is not visible");
- //sig.setReason("reason is not visible");
- //sig.setContact("contact is not visible");
- sig.setDate(new PdfDate());
- if (si != null) {
- XMLGregorianCalendar c = DatatypeFactory.newInstance().newXMLGregorianCalendar(si.getSignSignatureObject().date);
- sig.setDate(new PdfDate(c.toGregorianCalendar()));
- }
- sig.setName(getAdobeSigName(so.getSignatureTypeDefinition().getType(), si));
- sap.setCryptoDictionary(sig);
-
- // content element is mandatory but empty
- HashMap exc = new HashMap();
- exc.put(PdfName.CONTENTS, new Integer(2));
- sap.preClose(exc); // *2+2
-
- PdfDictionary dic = new PdfDictionary();
- dic.put(PdfName.CONTENTS, new PdfString((String)null).setHexWriting(true));
- sap.close(dic);
- } catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, "Error creating adobe signature attribute", ex);
- }
- }
-
- /**
- * Evaluate name for adobe signature field. Get from config. Evaluate ognl if ok.
- * @param sigProfile
- * @param si
- * @return
- */
- private static String getAdobeSigName(String sigProfile, SignatorInformation si) {
- String defaultName = "PDF-AS";
- try {
- logger.debug("reading adobe sig name for profile: " + sigProfile);
- String propKey = ADOBE_SIG_TEXT_KEY + ".textual";
- if (si == null) {
- propKey = propKey.replaceAll("textual", "binary");
- }
- String adobeStr = SettingsReader.getInstance().getSetting(
- "sig_obj." +sigProfile+"."+propKey,
- "default."+propKey, defaultName);
-
- HashMap ognlCtx = new HashMap();
- OgnlUtil ognl = new OgnlUtil(ognlCtx);
- if (ognl.containsExpression(adobeStr)) {
- if (si == null) {
- logger.error( ADOBE_SIG_TEXT_KEY +
- " ognl expressions not allowed for binary signatures (SignatorInformation not available)");
- return defaultName;
- }
- ognlCtx.put("si", si);
- ognlCtx.put("sso", si.getSignSignatureObject());
- String res = ognl.compileMessage(adobeStr);
- return res;
- } else {
- return adobeStr;
- }
-
- } catch (Exception ex) {
- logger.warn("error creating adobe sign text, using default 'PDF-AS'", ex);
- return defaultName;
- }
- }
-
- private static Rectangle createRectangleFromTablePos(ActualTablePos pos) {
- return new Rectangle(pos.x, pos.y, pos.x + pos.width, pos.y - pos.height);
- }
-
- /**
* Creates the EGIZ Dictionary and adds it to the document.
*
* @param stamper
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 22:44:10 +0000