From 7b2e2b640b0f392183f7927f692936950d3fabfc Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Tue, 12 Nov 2013 12:26:10 +0100
Subject: SecurityLayer commands included

---
 .../impl/signing/pdfbox/PdfboxSignerWrapper.java   | 55 +++++++++++++---------
 1 file changed, 33 insertions(+), 22 deletions(-)

(limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java')

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 91734312..6ded2d8a 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
@@ -10,6 +10,9 @@ import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.common.exceptions.PdfAsWrappedIOException;
+import at.gv.egiz.pdfas.common.utils.PDFUtils;
 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;
@@ -17,27 +20,35 @@ import at.gv.egiz.pdfas.lib.impl.signing.sig_interface.PDFASSignatureInterface;
 
 public class PdfboxSignerWrapper implements PDFASSignatureInterface {
 
-    private static final Logger logger = LoggerFactory.getLogger(PdfboxSignerWrapper.class);
-
-    private IPlainSigner signer;
-    private PDSignature signature;
-    private int[] byteRange;
-    private Calendar date;
-    
-    public PdfboxSignerWrapper(IPlainSigner signer) {
-        this.signer = signer;
-        this.date = Calendar.getInstance();
-    }
-
-    public byte[] sign(InputStream inputStream) throws SignatureException, IOException {
-    	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;
-    }
+	private static final Logger logger = LoggerFactory
+			.getLogger(PdfboxSignerWrapper.class);
+
+	private IPlainSigner signer;
+	private PDSignature signature;
+	private int[] byteRange;
+	private Calendar date;
+
+	public PdfboxSignerWrapper(IPlainSigner signer) {
+		this.signer = signer;
+		this.date = Calendar.getInstance();
+	}
+
+	public byte[] sign(InputStream inputStream) throws SignatureException,
+			IOException {
+		byte[] data = StreamUtils.inputStreamToByteArray(inputStream);
+		byteRange = PDFUtils.extractSignatureByteRange(data);
+		try {
+			byte[] signature = signer.sign(data, byteRange);
+			logger.debug("Signature Data: "
+					+ StringUtils.bytesToHexString(signature));
+			FileOutputStream fos = new FileOutputStream("/tmp/fos.bin");
+			fos.write(signature);
+			fos.close();
+			return signature;
+		} catch (PdfAsException e) {
+			throw new PdfAsWrappedIOException(e);
+		}
+	}
 
 	public int[] getByteRange() {
 		return byteRange;
@@ -52,7 +63,7 @@ public class PdfboxSignerWrapper implements PDFASSignatureInterface {
 	}
 
 	public void setPDSignature(PDSignature signature) {
-        this.signature = signature;
+		this.signature = signature;
 	}
 
 	public Calendar getSigningDate() {
-- 
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