From b9ccb62d35a755efb505d426ce924d5a8fbe937a Mon Sep 17 00:00:00 2001
From: "Bonato, Martin" <martin.bonato@prime-sign.com>
Date: Thu, 8 Feb 2018 22:19:55 +0100
Subject: BulkSignature implementation

---
 .../impl/cms/ReferencedHashDataInput.java          | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/cms/ReferencedHashDataInput.java

(limited to 'bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/cms/ReferencedHashDataInput.java')

diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/cms/ReferencedHashDataInput.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/cms/ReferencedHashDataInput.java
new file mode 100644
index 00000000..96e0e7de
--- /dev/null
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/cms/ReferencedHashDataInput.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2015 Datentechnik Innovation GmbH and Prime Sign GmbH, Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+package at.gv.egiz.bku.slcommands.impl.cms;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang.ArrayUtils;
+
+import at.buergerkarte.namespaces.securitylayer._1_2_3.ExcludedByteRangeType;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencer;
+
+public class ReferencedHashDataInput extends CMSHashDataInput {
+
+  private String urlReference;
+  private URLDereferencer urlDereferencer;
+  private ExcludedByteRangeType excludedByteRange;
+  
+	public ReferencedHashDataInput(String mimeType, URLDereferencer urlDereferencer, String urlReference, ExcludedByteRangeType excludedByteRange) {
+		super(null, mimeType);	
+		this.urlDereferencer = urlDereferencer;
+		this.urlReference = urlReference;
+		this.excludedByteRange = excludedByteRange;
+	}
+ 	
+	
+	public URLDereferencer getUrlDereferencer() {
+		return urlDereferencer;
+	}
+
+
+	public void setUrlDereferencer(URLDereferencer urlDereferencer) {
+		this.urlDereferencer = urlDereferencer;
+	}
+
+	public InputStream getHashDataInput() throws IOException {
+
+		InputStream hashDataInputStream = urlDereferencer.dereference(urlReference).getStream();
+
+		try {
+			byte[] content = IOUtils.toByteArray(hashDataInputStream);
+
+			if (excludedByteRange != null) {
+
+				int from = excludedByteRange.getFrom().intValue();
+				int to = excludedByteRange.getTo().intValue();
+
+				byte[] signedContent = ArrayUtils.addAll(ArrayUtils.subarray(content, 0, from), ArrayUtils.subarray(content, to, content.length));
+
+				return new ByteArrayInputStream(signedContent);
+
+			} else {
+				return new ByteArrayInputStream(content);
+			}
+
+		} finally {
+			hashDataInputStream.close();
+		}
+	}
+}
-- 
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