forgotten changes for initial code commit

1 files changed, 130 insertions, 33 deletions

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 d7ed5f3a..e4132e91 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
@@ -1,9 +1,18 @@
 package at.gv.egiz.pdfas.lib.impl;
 
+import java.io.ByteArrayInputStream;
+import java.io.File;
 import java.util.List;
 
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.common.exceptions.PdfAsSettingsException;
 import at.gv.egiz.pdfas.common.settings.ISettings;
+import at.gv.egiz.pdfas.common.settings.Settings;
+import at.gv.egiz.pdfas.common.settings.SignatureProfileSettings;
 import at.gv.egiz.pdfas.lib.api.Configuration;
 import at.gv.egiz.pdfas.lib.api.IConfigurationConstants;
 import at.gv.egiz.pdfas.lib.api.PdfAs;
@@ -13,48 +22,136 @@ import at.gv.egiz.pdfas.lib.api.verify.VerifyParameter;
 import at.gv.egiz.pdfas.lib.api.verify.VerifyResult;
 import at.gv.egiz.pdfas.lib.impl.configuration.ConfigurationImpl;
 import at.gv.egiz.pdfas.lib.impl.configuration.PlaceholderConfiguration;
+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.stamping.IPDFStamper;
+import at.gv.egiz.pdfas.lib.impl.stamping.IPDFVisualObject;
+import at.gv.egiz.pdfas.lib.impl.stamping.StamperFactory;
+import at.gv.egiz.pdfas.lib.impl.stamping.TableFactory;
 import at.gv.egiz.pdfas.lib.impl.status.OperationStatus;
 import at.gv.egiz.pdfas.lib.impl.status.RequestedSignature;
+import at.knowcenter.wag.egov.egiz.pdf.PositioningInstruction;
+import at.knowcenter.wag.egov.egiz.pdf.TablePos;
+import at.knowcenter.wag.egov.egiz.table.Table;
 
 public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 
+	 private static final Logger logger = LoggerFactory.getLogger(PdfAsImpl.class);
+	
+	private Settings settings;
+	
+	public PdfAsImpl(File cfgFile) {
+		logger.info("Initializing PDF-AS with config: " + cfgFile.getPath());
+		this.settings = new Settings(cfgFile);
+	}
+	
 	public SignResult sign(SignParameter parameter) throws PdfAsException {
-		// TODO: verify signParameter
+
+		logger.trace("sign started");
 		
-		// Status initialization
-		if(!(parameter.getConfiguration() instanceof ISettings)) {
+		// TODO: verify signParameter
+
+		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);
+			PlaceholderConfiguration placeholderConfiguration = status
+					.getPlaceholderConfiguration();
+
+			RequestedSignature requestedSignature = new RequestedSignature(
+					status);
+			// Only use this profileID because validation was done in
+			// RequestedSignature
+			String signatureProfileID = requestedSignature
+					.getSignatureProfileID();
+
+			logger.info("Selected signature Profile: " + signatureProfileID);
 			
-		}
-		ISettings settings = (ISettings) parameter.getConfiguration();
-		OperationStatus status = new OperationStatus(settings, parameter);
-		PlaceholderConfiguration placeholderConfiguration = status.getPlaceholderConfiguration();
-		// set Original PDF Document Data
-		status.getPdfObject().setOriginalDocument(parameter.getDataSource().getByteData());
-		
-		
-		// Placeholder search?
-		if(placeholderConfiguration.isGlobalPlaceholderEnabled()) {
-			// TODO: Do placeholder search
-		}
-		
-		RequestedSignature requestedSignature = new RequestedSignature(status);
-		
-		// TODO get Certificate
-		
-		if(requestedSignature.isVisual()) {
-			// TODO:  SignBlockCreationStage  (visual) -> create visual signature block (logicaly)
+			SignatureProfileConfiguration signatureProfileConfiguration = status
+					.getSignatureProfileConfiguration(signatureProfileID);
+
+			// set Original PDF Document Data
+			status.getPdfObject().setOriginalDocument(
+					parameter.getDataSource().getByteData());
 
-            // TODO:  PositioningStage (visual)  -> find position or use fixed position
+			// Placeholder search?
+			if (placeholderConfiguration.isGlobalPlaceholderEnabled()) {
+				// TODO: Do placeholder search
+			}
 
-            // TODO:  StampingStage (visual) -> stamp logical signature block to location (itext)
-		} else {
-			// Stamped Object is equal to original
-			status.getPdfObject().setStampedDocument(status.getPdfObject().getOriginalDocument());
+			// TODO get Certificate
+
+			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);
+
+				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());
+			}
+
+			// TODO: Create signature
+
+			return null;
+		} catch (Throwable e) {
+			logger.error("sign failed " + e.getMessage(), e);
+			throw new PdfAsException("sign Failed", e);
+		} finally {
+			logger.trace("sign done");
 		}
-		
-		// TODO: Create signature
-		
-		return null;
 	}
 
 	public List<VerifyResult> verify(VerifyParameter parameter) {
@@ -63,7 +160,7 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 	}
 
 	public Configuration getConfiguration() {
-		return new ConfigurationImpl();
+		return new ConfigurationImpl(this.settings);
 	}
-	
+
 }