no callback API implemted

12 files changed, 545 insertions, 30 deletions

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAs.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAs.java
index 92b2001a..76e760bd 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAs.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAs.java
@@ -37,4 +37,8 @@ public interface PdfAs {
 	 * @return A private copy of the pdf as configuration
 	 */
 	public Configuration getConfiguration();
+	
+	public StatusRequest startSign(SignParameter parameter) throws PdfAsException;
+	public StatusRequest process(StatusRequest statusRequest) throws PdfAsException;
+	public SignResult    finishSign(StatusRequest statusRequest) throws PdfAsException;
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/StatusRequest.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/StatusRequest.java
new file mode 100644
index 00000000..fb6ceb44
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/StatusRequest.java
@@ -0,0 +1,16 @@
+package at.gv.egiz.pdfas.lib.api;
+
+import java.security.cert.CertificateException;
+
+public interface StatusRequest {
+	
+	public boolean needCertificate();
+	public boolean needSignature();
+	public boolean isReady();
+	
+	public byte[] getSignatureData();
+	public int[] getSignatureDataByteRange();
+	public void setCertificate(byte[] encodedCertificate) throws CertificateException;
+	public void setSigature(byte[] signatureValue) ;
+	
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
index d2a21518..c83d3bf7 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
@@ -13,6 +13,7 @@ import java.io.IOException;
 import java.io.OutputStream;
 import java.security.SignatureException;
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.List;
 
 import org.apache.pdfbox.cos.COSArray;
@@ -34,6 +35,7 @@ import at.gv.egiz.pdfas.common.utils.StringUtils;
 import at.gv.egiz.pdfas.lib.api.Configuration;
 import at.gv.egiz.pdfas.lib.api.IConfigurationConstants;
 import at.gv.egiz.pdfas.lib.api.PdfAs;
+import at.gv.egiz.pdfas.lib.api.StatusRequest;
 import at.gv.egiz.pdfas.lib.api.sign.SignParameter;
 import at.gv.egiz.pdfas.lib.api.sign.SignResult;
 import at.gv.egiz.pdfas.lib.api.verify.VerifyParameter;
@@ -44,6 +46,9 @@ import at.gv.egiz.pdfas.lib.impl.configuration.SignatureProfileConfiguration;
 import at.gv.egiz.pdfas.lib.impl.positioning.Positioning;
 import at.gv.egiz.pdfas.lib.impl.signing.IPdfSigner;
 import at.gv.egiz.pdfas.lib.impl.signing.PdfSignerFactory;
+import at.gv.egiz.pdfas.lib.impl.signing.pdfbox.PdfboxSignerWrapper;
+import at.gv.egiz.pdfas.lib.impl.signing.sig_interface.SignatureDataExtractor;
+import at.gv.egiz.pdfas.lib.impl.signing.sig_interface.SignatureDataInjector;
 import at.gv.egiz.pdfas.lib.impl.stamping.IPDFStamper;
 import at.gv.egiz.pdfas.lib.impl.stamping.IPDFVisualObject;
 import at.gv.egiz.pdfas.lib.impl.stamping.StamperFactory;
@@ -87,6 +92,10 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 
 			RequestedSignature requestedSignature = new RequestedSignature(
 					status);
+
+			requestedSignature.setCertificate(status.getSignParamter()
+					.getPlainSigner().getCertificate());
+
 			// Only use this profileID because validation was done in
 			// RequestedSignature
 			String signatureProfileID = requestedSignature
@@ -168,8 +177,9 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 
 			// TODO: Create signature
 			IPdfSigner signer = PdfSignerFactory.createPdfSigner();
-			signer.signPDF(status.getPdfObject(), requestedSignature, status
-					.getSignParamter().getPlainSigner());
+			signer.signPDF(status.getPdfObject(), requestedSignature,
+					new PdfboxSignerWrapper(status.getSignParamter()
+							.getPlainSigner()));
 
 			// status.getPdfObject().setSignedDocument(status.getPdfObject().getStampedDocument());
 
@@ -193,7 +203,8 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 		}
 	}
 
-	public List<VerifyResult> verify(VerifyParameter parameter) throws PdfAsException {
+	public List<VerifyResult> verify(VerifyParameter parameter)
+			throws PdfAsException {
 		try {
 			List<VerifyResult> result = new ArrayList<VerifyResult>();
 			ISettings settings = (ISettings) parameter.getConfiguration();
@@ -216,30 +227,29 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 					COSBase base = field.getDictionaryObject("V");
 					COSDictionary dict = (COSDictionary) base;
 
-					logger.debug("Signer: "
-							+ dict.getNameAsString("Name"));
+					logger.debug("Signer: " + dict.getNameAsString("Name"));
 					logger.debug("SubFilter: "
 							+ dict.getNameAsString("SubFilter"));
-					logger.debug("Filter: "
-							+ dict.getNameAsString("Filter"));
+					logger.debug("Filter: " + dict.getNameAsString("Filter"));
 					logger.debug("Modified: " + dict.getNameAsString("M"));
 					COSArray byteRange = (COSArray) dict
 							.getDictionaryObject("ByteRange");
 
-					
 					StringBuilder sb = new StringBuilder();
 					int[] bytes = new int[byteRange.size()];
 					for (int j = 0; j < byteRange.size(); j++) {
 						bytes[j] = byteRange.getInt(j);
 						sb.append(" " + bytes[j]);
 					}
-					
+
 					logger.debug("ByteRange" + sb.toString());
 
 					COSString content = (COSString) dict
 							.getDictionaryObject("Contents");
-					/*logger.trace("Content: "
-							+ StringUtils.bytesToHexString(content.getBytes()));*/
+					/*
+					 * logger.trace("Content: " +
+					 * StringUtils.bytesToHexString(content.getBytes()));
+					 */
 
 					ByteArrayOutputStream contentData = new ByteArrayOutputStream();
 					for (int j = 0; j < bytes.length; j = j + 2) {
@@ -250,12 +260,13 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 					}
 					contentData.close();
 
-					IVerifyFilter verifyFilter = 
-							verifier.getVerifier(dict.getNameAsString("Filter"), dict.getNameAsString("SubFilter"));
+					IVerifyFilter verifyFilter = verifier.getVerifier(
+							dict.getNameAsString("Filter"),
+							dict.getNameAsString("SubFilter"));
+
+					List<VerifyResult> results = verifyFilter.verify(
+							contentData.toByteArray(), content.getBytes());
 
-					List<VerifyResult> results = 
-							verifyFilter.verify(contentData.toByteArray(), content.getBytes());
-					
 					result.addAll(results);
 				}
 				return result;
@@ -265,7 +276,7 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 		} catch (PdfAsException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
-		} 
+		}
 		throw new PdfAsException();
 	}
 
@@ -273,4 +284,208 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 		return new ConfigurationImpl(this.settings);
 	}
 
+	public StatusRequest startSign(SignParameter parameter)
+			throws PdfAsException {
+		// TODO: VERIFY PARAMETERS
+		StatusRequestImpl request = new StatusRequestImpl();
+
+		try {
+			// Status initialization
+			if (!(parameter.getConfiguration() instanceof ISettings)) {
+				throw new PdfAsSettingsException("Invalid settings object!");
+			}
+
+			ISettings settings = (ISettings) parameter.getConfiguration();
+			OperationStatus status = new OperationStatus(settings, parameter);
+
+			RequestedSignature requestedSignature = new RequestedSignature(
+					status);
+
+			status.setRequestedSignature(requestedSignature);
+
+			request.setStatus(status);
+
+			request.setNeedCertificate(true);
+
+			return request;
+		} catch (Throwable e) {
+			logger.error("startSign", e);
+			throw new PdfAsException("startSign", e);
+		}
+	}
+
+	public StatusRequest process(StatusRequest statusRequest)
+			throws PdfAsException {
+		if (!(statusRequest instanceof StatusRequestImpl)) {
+			throw new PdfAsException("Invalid Status");
+		}
+
+		StatusRequestImpl request = (StatusRequestImpl) statusRequest;
+		OperationStatus status = request.getStatus();
+
+		if (request.needCertificate()) {
+			try {
+				status.getRequestedSignature().setCertificate(
+						request.getCertificate());
+				
+				// set Original PDF Document Data
+				status.getPdfObject().setOriginalDocument(
+						status.getSignParamter().getDataSource().getByteData());
+				
+				// STAMPER!
+				stampPdf(status);
+				request.setNeedCertificate(false);
+
+				status.setSigningDate(Calendar.getInstance());
+				
+				// GET Signature DATA
+				String pdfFilter = status.getSignParamter().getPlainSigner()
+						.getPDFFilter();
+				String pdfSubFilter = status.getSignParamter().getPlainSigner()
+						.getPDFSubFilter();
+				SignatureDataExtractor signatureDataExtractor = new SignatureDataExtractor(
+						request.getCertificate(), pdfFilter, pdfSubFilter, status.getSigningDate());
+
+				IPdfSigner signer = PdfSignerFactory.createPdfSigner();
+				signer.signPDF(status.getPdfObject(),
+						status.getRequestedSignature(), signatureDataExtractor);
+				request.setSignatureData(signatureDataExtractor
+						.getSignatureData());
+				request.setByteRange(signatureDataExtractor.getByteRange());
+				request.setNeedSignature(true);
+
+			} catch (Throwable e) {
+				logger.error("process", e);
+				throw new PdfAsException("process", e);
+			}
+		} else if (request.needSignature()) {
+			request.setNeedSignature(false);
+			// TODO: Inject signature byte[] into signedDocument
+			int offset = request.getSignatureData().length;
+			
+			for(int i = 0; i < request.getSignature().length; i++) {
+				status.getPdfObject().getSignedDocument()[offset + i] = request.getSignature()[i];
+			}
+			/*
+			
+			String pdfFilter = status.getSignParamter().getPlainSigner()
+					.getPDFFilter();
+			String pdfSubFilter = status.getSignParamter().getPlainSigner()
+					.getPDFSubFilter();
+			SignatureDataInjector injector = new SignatureDataInjector(
+					request.getCertificate(), pdfFilter, pdfSubFilter, status.getSigningDate(),
+					request.getSignature(), request.getSignatureData());
+
+			IPdfSigner signer = PdfSignerFactory.createPdfSigner();
+			signer.signPDF(status.getPdfObject(),
+					status.getRequestedSignature(), injector);*/
+			request.setIsReady(true);
+		} else {
+			throw new PdfAsException("Invalid Status");
+		}
+
+		return request;
+	}
+
+	public SignResult finishSign(StatusRequest statusRequest)
+			throws PdfAsException {
+		if (!(statusRequest instanceof StatusRequestImpl)) {
+			throw new PdfAsException("Invalid Status");
+		}
+
+		StatusRequestImpl request = (StatusRequestImpl) statusRequest;
+		OperationStatus status = request.getStatus();
+
+		if (!request.isReady()) {
+			throw new PdfAsException("Invalid Status");
+		}
+		
+		try {
+			return createSignResult(status);
+		} catch(IOException e) {
+			throw new PdfAsException("Invalid Status", e);
+		}
+	}
+
+	private void stampPdf(OperationStatus status) throws PdfAsException,
+			IOException {
+
+		RequestedSignature requestedSignature = status.getRequestedSignature();
+		String signatureProfileID = requestedSignature.getSignatureProfileID();
+		SignatureProfileConfiguration signatureProfileConfiguration = status
+				.getSignatureProfileConfiguration(signatureProfileID);
+
+		if (requestedSignature.isVisual()) {
+			logger.info("Creating visual siganture block");
+			// ================================================================
+			// SignBlockCreationStage (visual) -> create visual signature
+			// block (logicaly)
+			SignatureProfileSettings signatureProfileSettings = TableFactory
+					.createProfile(signatureProfileID, settings);
+
+			Table main = TableFactory.createSigTable(signatureProfileSettings,
+					MAIN, settings, requestedSignature);
+
+			IPDFStamper stamper = StamperFactory.createDefaultStamper(settings);
+			IPDFVisualObject visualObject = stamper.createVisualPDFObject(
+					status.getPdfObject(), main);
+
+			// ================================================================
+			// PositioningStage (visual) -> find position or use fixed
+			// position
+
+			String posString = status.getSignParamter().getSignaturePosition();
+
+			if (posString == null) {
+				posString = signatureProfileConfiguration
+						.getDefaultPositioning();
+			}
+
+			TablePos tablePos = null;
+
+			if (posString == null) {
+				tablePos = new TablePos();
+			} else {
+				tablePos = new TablePos(posString);
+			}
+
+			PDDocument originalDocument = PDDocument
+					.load(new ByteArrayInputStream(status.getPdfObject()
+							.getOriginalDocument()));
+
+			PositioningInstruction positioningInstruction = Positioning
+					.determineTablePositioning(tablePos, "", originalDocument,
+							visualObject);
+
+			// ================================================================
+			// StampingStage (visual) -> stamp logical signature block to
+			// location (itext)
+
+			byte[] incrementalUpdate = stamper.writeVisualObject(visualObject,
+					positioningInstruction, status.getPdfObject()
+							.getOriginalDocument());
+			status.getPdfObject().setStampedDocument(incrementalUpdate);
+		} else {
+			logger.info("No visual siganture block");
+			// Stamped Object is equal to original
+			status.getPdfObject().setStampedDocument(
+					status.getPdfObject().getOriginalDocument());
+		}
+	}
+
+	private SignResult createSignResult(OperationStatus status) throws IOException {
+		// ================================================================
+		// Create SignResult
+		SignResultImpl result = new SignResultImpl(status.getSignParamter()
+				.getOutput());
+		OutputStream outputStream = result.getOutputDocument()
+				.createOutputStream();
+
+		outputStream.write(status.getPdfObject().getSignedDocument());
+
+		outputStream.close();
+
+		return result;
+	}
+
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/StatusRequestImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/StatusRequestImpl.java
new file mode 100644
index 00000000..3b2f62f7
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/StatusRequestImpl.java
@@ -0,0 +1,87 @@
+package at.gv.egiz.pdfas.lib.impl;
+
+import iaik.x509.X509Certificate;
+
+import java.security.cert.CertificateException;
+
+import at.gv.egiz.pdfas.lib.api.StatusRequest;
+import at.gv.egiz.pdfas.lib.impl.status.OperationStatus;
+
+public class StatusRequestImpl implements StatusRequest {
+
+	private boolean needCertificate = false;
+	private boolean needSignature = false;
+	private boolean isReady = false;
+	private X509Certificate certificate;
+	private byte[] encodedSignature;
+	private byte[] signatureData;
+	private int[] byteRange;
+	
+	private OperationStatus status;
+	
+	public OperationStatus getStatus() {
+		return status;
+	}
+
+	public void setStatus(OperationStatus status) {
+		this.status = status;
+	}
+
+	public void setSignatureData(byte[] signatureData) {
+		this.signatureData = signatureData;
+	}
+
+	public void setByteRange(int[] byteRange) {
+		this.byteRange = byteRange;
+	}
+
+	public X509Certificate getCertificate() {
+		return this.certificate;
+	}
+	
+	public byte[] getSignature() {
+		return this.encodedSignature;
+	}
+	
+	public void setNeedSignature(boolean value) {
+		this.needSignature = value;
+	}
+	
+	public void setNeedCertificate(boolean value) {
+		this.needCertificate = value;
+	}
+	
+	public boolean needCertificate() {
+		return needCertificate;
+	}
+
+	public boolean needSignature() {
+		return needSignature;
+	}
+
+	public boolean isReady() {
+		return isReady;
+	}
+	
+	public void setIsReady(boolean value) {
+		this.isReady = value;
+	}
+
+	public byte[] getSignatureData() {
+		// TODO Auto-generated method stub
+		return signatureData;
+	}
+
+	public int[] getSignatureDataByteRange() {
+		// TODO Auto-generated method stub
+		return byteRange;
+	}
+
+	public void setCertificate(byte[] encodedCertificate) throws CertificateException {
+		this.certificate = new X509Certificate(encodedCertificate);
+	}
+
+	public void setSigature(byte[] signatureValue) {
+		this.encodedSignature = signatureValue;
+	}
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/IPdfSigner.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/IPdfSigner.java
index 8ff3a276..38c6530a 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/IPdfSigner.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/IPdfSigner.java
@@ -1,12 +1,12 @@
 package at.gv.egiz.pdfas.lib.impl.signing;
 
 import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
-import at.gv.egiz.pdfas.lib.api.sign.IPlainSigner;
+import at.gv.egiz.pdfas.lib.impl.signing.sig_interface.PDFASSignatureInterface;
 import at.gv.egiz.pdfas.lib.impl.status.PDFObject;
 import at.gv.egiz.pdfas.lib.impl.status.RequestedSignature;
 
 public interface IPdfSigner {
 
     void signPDF(PDFObject pdfObject,
-                 RequestedSignature requestedSignature, IPlainSigner signer) throws PdfAsException;
+                 RequestedSignature requestedSignature, PDFASSignatureInterface signer) throws PdfAsException;
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
index 7f16a87a..3f566f06 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
@@ -24,6 +24,7 @@ import at.gv.egiz.pdfas.common.utils.StreamUtils;
 import at.gv.egiz.pdfas.common.utils.TempFileHelper;
 import at.gv.egiz.pdfas.lib.api.sign.IPlainSigner;
 import at.gv.egiz.pdfas.lib.impl.signing.IPdfSigner;
+import at.gv.egiz.pdfas.lib.impl.signing.sig_interface.PDFASSignatureInterface;
 import at.gv.egiz.pdfas.lib.impl.stamping.TableFactory;
 import at.gv.egiz.pdfas.lib.impl.stamping.ValueResolver;
 import at.gv.egiz.pdfas.lib.impl.status.PDFObject;
@@ -33,7 +34,8 @@ public class PADESPDFBOXSigner implements IPdfSigner {
 
     private static final Logger logger = LoggerFactory.getLogger(PADESPDFBOXSigner.class);
 
-    public void signPDF(PDFObject pdfObject, RequestedSignature requestedSignature, IPlainSigner signer)
+    public void signPDF(PDFObject pdfObject, RequestedSignature requestedSignature, 
+    		PDFASSignatureInterface signer)
             throws PdfAsException {
         String fisTmpFile = null;
         
@@ -70,10 +72,13 @@ public class PADESPDFBOXSigner implements IPdfSigner {
             signature.setReason("PDF-AS Signatur");
 
 
+            logger.debug("Signing @ " + signer.getSigningDate().getTime().toString());
             // the signing date, needed for valid signature
-            signature.setSignDate(Calendar.getInstance());
+            signature.setSignDate(signer.getSigningDate());
 
-            doc.addSignature(signature, new PdfboxSignerWrapper(signer, signature));
+            signer.setPDSignature(signature);
+            
+            doc.addSignature(signature, signer);
 
             // pdfbox patched (FIS -> IS)
             doc.saveIncremental(fis, fos);
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java
index fb629dd6..91734312 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java
@@ -3,35 +3,59 @@ package at.gv.egiz.pdfas.lib.impl.signing.pdfbox;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Calendar;
 
 import org.apache.pdfbox.exceptions.SignatureException;
 import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
-import org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureInterface;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import at.gv.egiz.pdfas.common.utils.StreamUtils;
 import at.gv.egiz.pdfas.common.utils.StringUtils;
 import at.gv.egiz.pdfas.lib.api.sign.IPlainSigner;
+import at.gv.egiz.pdfas.lib.impl.signing.sig_interface.PDFASSignatureInterface;
 
-public class PdfboxSignerWrapper implements SignatureInterface {
+public class PdfboxSignerWrapper implements PDFASSignatureInterface {
 
     private static final Logger logger = LoggerFactory.getLogger(PdfboxSignerWrapper.class);
 
     private IPlainSigner signer;
     private PDSignature signature;
-
-    public PdfboxSignerWrapper(IPlainSigner signer, PDSignature signature) {
+    private int[] byteRange;
+    private Calendar date;
+    
+    public PdfboxSignerWrapper(IPlainSigner signer) {
         this.signer = signer;
-        this.signature = signature;
+        this.date = Calendar.getInstance();
     }
 
     public byte[] sign(InputStream inputStream) throws SignatureException, IOException {
-        byte[] signature =  signer.sign(StreamUtils.inputStreamToByteArray(inputStream));
+    	byteRange = this.signature.getByteRange();
+    	byte[] signature =  signer.sign(StreamUtils.inputStreamToByteArray(inputStream));
         logger.debug("Signature Data: " + StringUtils.bytesToHexString(signature));
         FileOutputStream fos = new FileOutputStream("/tmp/fos.bin");
         fos.write(signature);
         fos.close();
         return signature;
     }
+
+	public int[] getByteRange() {
+		return byteRange;
+	}
+
+	public String getPDFSubFilter() {
+		return this.signer.getPDFSubFilter();
+	}
+
+	public String getPDFFilter() {
+		return this.signer.getPDFFilter();
+	}
+
+	public void setPDSignature(PDSignature signature) {
+        this.signature = signature;
+	}
+
+	public Calendar getSigningDate() {
+		return this.date;
+	}
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/PDFASSignatureInterface.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/PDFASSignatureInterface.java
new file mode 100644
index 00000000..43f0014d
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/PDFASSignatureInterface.java
@@ -0,0 +1,13 @@
+package at.gv.egiz.pdfas.lib.impl.signing.sig_interface;
+
+import java.util.Calendar;
+
+import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
+import org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureInterface;
+
+public interface PDFASSignatureInterface extends SignatureInterface {
+	public String getPDFSubFilter();
+    public String getPDFFilter();
+    public void setPDSignature(PDSignature signature);
+    public Calendar getSigningDate();
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/SignatureDataExtractor.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/SignatureDataExtractor.java
new file mode 100644
index 00000000..4b7afa6c
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/SignatureDataExtractor.java
@@ -0,0 +1,70 @@
+package at.gv.egiz.pdfas.lib.impl.signing.sig_interface;
+
+import iaik.x509.X509Certificate;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Calendar;
+
+import org.apache.pdfbox.exceptions.SignatureException;
+import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
+
+import at.gv.egiz.pdfas.common.utils.StreamUtils;
+
+public class SignatureDataExtractor implements PDFASSignatureInterface {
+
+	protected X509Certificate certificate;
+	protected byte[] signatureData;
+	
+	protected String pdfSubFilter;
+	protected String pdfFilter;
+	protected PDSignature signature;
+	protected int[] byteRange;
+	protected Calendar date;
+	
+	public SignatureDataExtractor(X509Certificate certificate, 
+			String filter, String subfilter, Calendar date) {
+		this.certificate = certificate;
+		this.pdfFilter = filter;
+		this.pdfSubFilter = subfilter;
+		this.date = date;
+	}
+	
+	public X509Certificate getCertificate() {
+		return certificate;
+	}
+
+	public String getPDFSubFilter() {
+		return this.pdfSubFilter;
+	}
+
+	public String getPDFFilter() {
+		return this.pdfFilter;
+	}
+
+	public byte[] getSignatureData() {
+		return this.signatureData;
+	}
+
+	public byte[] sign(InputStream content) throws SignatureException,
+			IOException {
+		signatureData = StreamUtils.inputStreamToByteArray(content);
+		byteRange = this.signature.getByteRange();
+		return new byte[] { 0 };
+	}
+
+	public void setPDSignature(PDSignature signature) {
+		this.signature = signature;
+	}
+
+	public int[] getByteRange() {
+		return byteRange;
+	}
+
+	public Calendar getSigningDate() {
+		return this.date;
+	}
+	
+	
+	
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/SignatureDataInjector.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/SignatureDataInjector.java
new file mode 100644
index 00000000..65083a36
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/sig_interface/SignatureDataInjector.java
@@ -0,0 +1,48 @@
+package at.gv.egiz.pdfas.lib.impl.signing.sig_interface;
+
+import iaik.x509.X509Certificate;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Calendar;
+
+import org.apache.pdfbox.exceptions.SignatureException;
+
+import at.gv.egiz.pdfas.common.utils.StreamUtils;
+
+public class SignatureDataInjector extends SignatureDataExtractor {
+
+	protected byte[]  signature;
+	protected byte[]  oldSignatureData;
+	
+	public SignatureDataInjector(X509Certificate certificate, String filter,
+			String subfilter, Calendar date, byte[] signature, byte[] signatureData) {
+		super(certificate, filter, subfilter, date);
+		this.signature = signature;
+		this.oldSignatureData = signatureData;
+	}
+
+	@Override
+	public byte[] sign(InputStream content) throws SignatureException,
+			IOException {
+		byte[] signatureData = StreamUtils.inputStreamToByteArray(content);
+		
+		FileOutputStream fos2 = new FileOutputStream("/home/afitzek/devel/pdfas_neu/sign2.pdf");
+		fos2.write(signatureData);
+		fos2.close();
+		
+		if(signatureData.length != this.oldSignatureData.length) {
+			throw new SignatureException("Signature Data missmatch!");
+		}
+		
+		for(int i = 0; i < signatureData.length; i++) {
+			if(signatureData[i] != this.oldSignatureData[i]) {
+				throw new SignatureException("Signature Data missmatch! " + i + " " + signatureData[i] + " vs " + this.oldSignatureData[i]);
+			}
+		}
+		
+		return signature;
+	}
+
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/OperationStatus.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/OperationStatus.java
index a9fd1443..2f7b67e7 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/OperationStatus.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/OperationStatus.java
@@ -1,5 +1,7 @@
 package at.gv.egiz.pdfas.lib.impl.status;
 
+import java.io.Serializable;
+import java.util.Calendar;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -10,7 +12,13 @@ import at.gv.egiz.pdfas.lib.impl.configuration.GlobalConfiguration;
 import at.gv.egiz.pdfas.lib.impl.configuration.PlaceholderConfiguration;
 import at.gv.egiz.pdfas.lib.impl.configuration.SignatureProfileConfiguration;
 
-public class OperationStatus {
+public class OperationStatus implements Serializable {
+	
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -2985007198666388528L;
+	
 	
 	private SignParameter signParamter;
 	private PDFObject pdfObject = new PDFObject(this);
@@ -21,6 +29,8 @@ public class OperationStatus {
 	private Map<String, SignatureProfileConfiguration> signatureProfiles = 
 				new HashMap<String, SignatureProfileConfiguration>();
 	private TempFileHelper helper;
+	private RequestedSignature requestedSignature;
+	private Calendar signingDate;
 	
 	public OperationStatus(ISettings configuration, SignParameter signParameter) {
 		this.configuration = configuration;
@@ -33,8 +43,18 @@ public class OperationStatus {
 		super.finalize();
 	}
 	
+	
+	
 	// ========================================================================
 	
+	public RequestedSignature getRequestedSignature() {
+		return requestedSignature;
+	}
+
+	public void setRequestedSignature(RequestedSignature requestedSignature) {
+		this.requestedSignature = requestedSignature;
+	}
+
 	public PlaceholderConfiguration getPlaceholderConfiguration() {
 		if(this.placeholderConfiguration == null) {
 			this.placeholderConfiguration = 
@@ -87,4 +107,14 @@ public class OperationStatus {
 	public ISettings getSettings() {
 		return this.configuration;
 	}
+
+	public Calendar getSigningDate() {
+		return signingDate;
+	}
+
+	public void setSigningDate(Calendar signingDate) {
+		this.signingDate = signingDate;
+	}
+	
+	
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/RequestedSignature.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/RequestedSignature.java
index a2a6acd8..a1820104 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/RequestedSignature.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/status/RequestedSignature.java
@@ -26,7 +26,6 @@ public class RequestedSignature {
     			throw new PdfAsSettingsException("Failed to determine Signature Profile!");
     		}
     	}
-    	certificate = status.getSignParamter().getPlainSigner().getCertificate();
 		
     	this.signatureProfile = profileID;
     	
@@ -53,4 +52,8 @@ public class RequestedSignature {
     	return this.certificate;
     }
 
+    public void setCertificate(X509Certificate certificate) {
+    	this.certificate = certificate;
+    }
+    
 }