Start PDF-AS Wrapper Library

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-over/trunk@6 174cde9d-5d70-4d2a-aa98-46368bc2aaf7

6 files changed, 384 insertions, 0 deletions

diff --git a/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/ByteArrayPdfAsDataSource.java b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/ByteArrayPdfAsDataSource.java
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+++ b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/ByteArrayPdfAsDataSource.java
@@ -0,0 +1,36 @@
+package at.asit.pdfover.pdfsigner.pdfas;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+import at.gv.egiz.pdfas.api.io.DataSource;
+
+public class ByteArrayPdfAsDataSource implements DataSource {
+
+	private byte[] data;
+
+	public ByteArrayPdfAsDataSource(byte[] data) {
+		this.data = data;
+	}
+
+	public InputStream createInputStream() {
+		return new ByteArrayInputStream(this.data);
+	}
+
+	public int getLength() {
+		return this.data.length;
+	}
+
+	public byte[] getAsByteArray() {
+		return this.data;
+	}
+
+	public String getMimeType() {
+		return "application/pdf";
+	}
+
+	public String getCharacterEncoding() {
+		return null;
+	}
+
+}
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diff --git a/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASHelper.java b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASHelper.java
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+++ b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASHelper.java
@@ -0,0 +1,73 @@
+package at.asit.pdfover.pdfsigner.pdfas;
+
+import at.asit.pdfover.pdfsigner.PDFSignatureException;
+import at.gv.egiz.pdfas.api.PdfAs;
+import at.gv.egiz.pdfas.api.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.api.internal.PdfAsInternal;
+
+/**
+ * Encapsulates PDF AS API Object to need just one initialization
+ * @author afitzek
+ */
+public class PDFASHelper {
+	
+	/**
+	 * PDF AS Object
+	 */
+	private static PdfAs pdf_as_instance = null;
+	
+	/**
+	 * Internal Pdf AS Object
+	 */
+	private static PdfAsInternal pdf_as_internal = null;
+	
+	/**
+	 * Creates PDF AS Object
+	 * @return
+	 * @throws PdfAsException
+	 */
+	private static PdfAs CreatePdfAs() throws PdfAsException {
+		return new at.gv.egiz.pdfas.impl.api.PdfAsObject();
+	}
+	
+	/**
+	 * Creates a PDF AS Internal object
+	 * @return
+	 * @throws PdfAsException
+	 */
+	private static PdfAsInternal CreatePdfAsInternal() throws PdfAsException {
+		return new at.gv.egiz.pdfas.impl.api.internal.PdfAsInternalObject();
+	}
+	
+	/**
+	 * Gets PDF AS Object
+	 * @return
+	 * @throws PDFSignatureException
+	 */
+	public static synchronized PdfAs GetPdfAs() throws PDFSignatureException {
+		if(pdf_as_instance == null) {
+			try {
+				pdf_as_instance = CreatePdfAs();
+			} catch(PdfAsException e)  {
+				throw new PDFSignatureException(e);
+			}
+		}
+		return pdf_as_instance;
+	}
+	
+	/**
+	 * Gets PDF AS Internal object
+	 * @return
+	 * @throws PDFSignatureException
+	 */
+	public static synchronized PdfAsInternal GetPdfAsInternal() throws PDFSignatureException {
+		if(pdf_as_internal == null) {
+			try {
+				pdf_as_internal = CreatePdfAsInternal();
+			} catch(PdfAsException e)  {
+				throw new PDFSignatureException(e);
+			}
+		}
+		return pdf_as_internal;
+	}
+}
diff --git a/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSLRequest.java b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSLRequest.java
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+++ b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSLRequest.java
@@ -0,0 +1,18 @@
+package at.asit.pdfover.pdfsigner.pdfas;
+
+import at.asit.pdfover.pdfsigner.DocumentSource;
+import at.asit.pdfover.pdfsigner.SLRequest;
+
+public class PDFASSLRequest implements SLRequest {
+
+	public PDFASSLRequest(String slRequest) {
+		/// Analyse Request ...
+	}
+	
+	@Override
+	public DocumentSource GetSignatureData() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}
diff --git a/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSignatureParameter.java b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSignatureParameter.java
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+++ b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSignatureParameter.java
@@ -0,0 +1,25 @@
+package at.asit.pdfover.pdfsigner.pdfas;
+
+import at.asit.pdfover.pdfsigner.SignatureDimension;
+import at.asit.pdfover.pdfsigner.SignatureParameter;
+import at.gv.egiz.pdfas.api.sign.pos.SignaturePositioning;
+import at.gv.egiz.pdfas.api.io.DataSource;
+
+public class PDFASSignatureParameter extends SignatureParameter {
+
+	@Override
+	public SignatureDimension GetPlaceholderDimension() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	public SignaturePositioning GetPDFASPositioning() {
+		// TODO: implement Signature creation
+		return new SignaturePositioning();
+	}
+	
+	public DataSource GetPDFASDataSource() {
+		// TODO: implement Signature creation
+		return new ByteArrayPdfAsDataSource(null);
+	}
+}
diff --git a/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSigner.java b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSigner.java
new file mode 100644
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--- /dev/null
+++ b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSigner.java
@@ -0,0 +1,151 @@
+package at.asit.pdfover.pdfsigner.pdfas;
+
+import at.asit.pdfover.pdfsigner.ByteArrayDocumentSource;
+import at.asit.pdfover.pdfsigner.PDFSignatureException;
+import at.asit.pdfover.pdfsigner.PDFSignerInterface;
+import at.asit.pdfover.pdfsigner.SignResult;
+import at.asit.pdfover.pdfsigner.SignResultImpl;
+import at.asit.pdfover.pdfsigner.SignatureParameter;
+import at.asit.pdfover.pdfsigner.SignaturePosition;
+import at.asit.pdfover.pdfsigner.SigningState;
+import at.gv.egiz.pdfas.api.PdfAs;
+import at.gv.egiz.pdfas.api.sign.SignParameters;
+import at.gv.egiz.pdfas.api.sign.SignatureDetailInformation;
+import at.gv.egiz.pdfas.io.ByteArrayDataSink;
+import at.gv.egiz.pdfas.api.commons.Constants;
+import at.gv.egiz.pdfas.api.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.api.internal.LocalBKUParams;
+import at.gv.egiz.pdfas.api.internal.PdfAsInternal;
+
+/**
+ * PDF AS Signer Implemtation
+ * 
+ * @author afitzek
+ */
+public class PDFASSigner implements PDFSignerInterface {
+
+	protected static final String PROFILE_ID = "";
+
+	protected static final String URL_TEMPLATE = "";
+
+	@Override
+	public SigningState Prepare(SignatureParameter parameter)
+			throws PDFSignatureException {
+		try {
+			PDFASSignatureParameter sign_para = null;
+
+			if (PDFASSignatureParameter.class.isInstance(parameter)) {
+				sign_para = PDFASSignatureParameter.class.cast(parameter);
+			}
+
+			if (sign_para == null) {
+				throw new PDFSignatureException("Incorrect SignatureParameter!");
+			}
+
+			PdfAs pdfas = PDFASHelper.GetPdfAs();
+			
+			PDFASSigningState state = new PDFASSigningState();
+
+			SignParameters params = new SignParameters();
+			params.setSignaturePositioning(sign_para.GetPDFASPositioning());
+			params.setSignatureDevice(Constants.SIGNATURE_DEVICE_BKU);
+			params.setSignatureType(Constants.SIGNATURE_TYPE_BINARY);
+			params.setSignatureProfileId(PROFILE_ID);
+			
+			if(parameter.GetCollimatingMark() != null) {
+				// TODO: Define CollimatingMark and use 
+				params.setProfileOverrideValue("SIG_LABEL", "./images/signatur-logo_en.png");   
+			}
+			
+			
+			params.setDocument(sign_para.GetPDFASDataSource());
+
+			state.setSignParameters(params);
+
+			
+			PdfAsInternal pdfasInternal = PDFASHelper.GetPdfAsInternal();
+
+			// Prepares the document
+			SignatureDetailInformation sdi = pdfas.prepareSign(params);
+
+			state.setSignatureDetailInformation(sdi);
+
+			// Retrieve the SL Request
+			String slRequest = pdfasInternal.prepareLocalSignRequest(params,
+					false, URL_TEMPLATE, sdi);
+
+			PDFASSLRequest request = new PDFASSLRequest(slRequest);
+
+			state.SetSLSignatureRequest(request);
+
+			return state;
+		} catch (PdfAsException e) {
+			throw new PDFSignatureException(e);
+		}
+	}
+
+	@Override
+	public SignResult Sign(SigningState state) throws PDFSignatureException {
+		try {
+			PDFASSigningState sstate = null;
+
+			if (PDFASSigningState.class.isInstance(state)) {
+				sstate = PDFASSigningState.class.cast(state);
+			}
+
+			if (sstate == null) {
+				throw new PDFSignatureException("Incorrect SigningState!");
+			}
+
+			// Retrieve objects
+			PdfAs pdfas = PDFASHelper.GetPdfAs();
+
+			PdfAsInternal pdfasInternal = PDFASHelper.GetPdfAsInternal();
+
+			SignParameters params = sstate.getSignParameters();
+			
+			// Prepare Output sink
+			ByteArrayDataSink data = new ByteArrayDataSink();
+			params.setOutput(data);
+			
+			SignatureDetailInformation sdi = sstate
+					.getSignatureDetailInformation();
+
+			LocalBKUParams bkuParams = new LocalBKUParams(null, null, null);
+
+			// Perform signature
+			// TODO: NEED TO check GetSLSignatureResponse() Interface to retrieve SL Response ...
+			at.gv.egiz.pdfas.api.sign.SignResult signResult = pdfasInternal
+					.finishLocalSign(pdfas, params, sdi, bkuParams, false,
+							sstate.GetSLSignatureResponse().GetSLRespone());
+
+			// Preparing Result Response 
+			SignResultImpl result = new SignResultImpl();
+
+			// Set Signer Certificate
+			result.SetSignerCertificate(signResult.getSignerCertificate());
+			at.gv.egiz.pdfas.api.sign.pos.SignaturePosition pdfasPos = signResult
+					.getSignaturePosition();
+
+			// Set Signature position
+			SignaturePosition pos = new SignaturePosition(pdfasPos.getX(),
+					pdfasPos.getY(), pdfasPos.getPage());
+			pos.SetAuto(sstate.getPDFAsSignatureParameter()
+					.GetSignaturePosition().GetAuto());
+			result.SetSignaturePosition(pos);
+
+			// Set signed Document 
+			result.SetSignedDocument(new ByteArrayDocumentSource(data.getData()));
+			
+			return result;
+		} catch (PdfAsException e) {
+			throw new PDFSignatureException(e);
+		}
+	}
+
+	@Override
+	public SignatureParameter GetParameter() {
+		return new PDFASSignatureParameter();
+	}
+
+}
diff --git a/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSigningState.java b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSigningState.java
new file mode 100644
index 00000000..9500f981
--- /dev/null
+++ b/pdf-over/pdf-signer-pdf-as/src/main/java/at/asit/pdfover/pdfsigner/pdfas/PDFASSigningState.java
@@ -0,0 +1,81 @@
+package at.asit.pdfover.pdfsigner.pdfas;
+
+import at.asit.pdfover.pdfsigner.SLRequest;
+import at.asit.pdfover.pdfsigner.SLResponse;
+import at.asit.pdfover.pdfsigner.SigningState;
+import at.gv.egiz.pdfas.api.sign.SignatureDetailInformation;
+
+/**
+ * Signing State for PDFAS Wrapper
+ * @author afitzek
+ */
+public class PDFASSigningState implements SigningState {
+
+	protected SLRequest slrequest;
+	
+	protected SLResponse slresponse;
+	
+	@Override
+	public SLRequest GetSLSignatureRequest() {
+		return slrequest;
+	}
+
+	@Override
+	public void SetSLSignatureResponse(SLResponse value) {
+		this.slresponse = value;
+	}
+
+	/**
+	 * Sets the SL Request
+	 * @param request The SL Request
+	 */
+	public void SetSLSignatureRequest(SLRequest request) {
+		this.slrequest = request;
+	}
+	
+	/**
+	 * Gets the SL Response
+	 * @return The SL Repsonse object
+	 */
+	public SLResponse GetSLSignatureResponse() {
+		return this.slresponse;
+	}
+	
+	
+	// ----------------------------------------
+	// PDF AS Specific stuff
+	// ----------------------------------------
+	
+	protected SignatureDetailInformation SignatureDetailInformation;
+
+	protected at.gv.egiz.pdfas.api.sign.SignParameters SignParameters;
+	
+	protected PDFASSignatureParameter PDFAsSignatureParameter;
+	
+	public PDFASSignatureParameter getPDFAsSignatureParameter() {
+		return PDFAsSignatureParameter;
+	}
+
+	public void setPDFAsSignatureParameter(
+			PDFASSignatureParameter pDFAsSignatureParameter) {
+		PDFAsSignatureParameter = pDFAsSignatureParameter;
+	}
+
+	public at.gv.egiz.pdfas.api.sign.SignParameters getSignParameters() {
+		return SignParameters;
+	}
+
+	public void setSignParameters(
+			at.gv.egiz.pdfas.api.sign.SignParameters signParameters) {
+		SignParameters = signParameters;
+	}
+
+	public SignatureDetailInformation getSignatureDetailInformation() {
+		return SignatureDetailInformation;
+	}
+
+	public void setSignatureDetailInformation(
+			SignatureDetailInformation signatureDetailInformation) {
+		SignatureDetailInformation = signatureDetailInformation;
+	}
+}