svn commit: r1882382 - /pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/digitalsignature/PDSignature.java

[ti...@apache.org]

Author: tilman
Date: Sat Oct 10 09:08:31 2020
New Revision: 1882382

URL: http://svn.apache.org/viewvc?rev=1882382&view=rev
Log:
PDFBOX-4297: introduce fast method to get the signature contents, as suggested by Ralf Hauser

Modified:
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/digitalsignature/PDSignature.java

Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/digitalsignature/PDSignature.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/digitalsignature/PDSignature.java?rev=1882382&r1=1882381&r2=1882382&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/digitalsignature/PDSignature.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/digitalsignature/PDSignature.java Sat Oct 10 09:08:31 2020
@@ -23,6 +23,7 @@ import java.io.InputStream;
 import java.util.Calendar;
 
 import org.apache.pdfbox.cos.COSArray;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSDictionary;
 import org.apache.pdfbox.cos.COSInteger;
 import org.apache.pdfbox.cos.COSName;
@@ -305,6 +306,22 @@ public class PDSignature implements COSO
     }
 
     /**
+     * Returns the /Contents string as a byte array, i.e. the embedded signature between the
+     * byterange gap.
+     *
+     * @return a byte array containing the signature, or an empty array if there isn't any.
+     */
+    public byte[] getContents()
+    {
+        COSBase base = dictionary.getDictionaryObject(COSName.CONTENTS);
+        if (base instanceof COSString)
+        {
+            return ((COSString) base).getBytes();
+        }
+        return new byte[0];
+    }
+
+    /**
      * Will return the embedded signature between the byterange gap.
      *
      * @param pdfFile The signed pdf file as InputStream. It will be closed in this method.