no callback API implemted

3 files changed, 131 insertions, 0 deletions

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;
+	}
+
+}