/// <summary>Sets the /Contents value to the specified byte[].</summary>
/// <param name="contents">a byte[] representing the digest</param>
public virtual void SetContents(byte[] contents)
{
PdfString contentsString = new PdfString(contents).SetHexWriting(true);
contentsString.MarkAsUnencryptedObject();
Put(PdfName.Contents, contentsString);
}
public PdfSignature(PdfDictionary sigDictionary)
: base(sigDictionary)
{
PdfString contents = GetPdfObject().GetAsString(PdfName.Contents);
if (contents != null)
{
contents.MarkAsUnencryptedObject();
}
}
private void PopulateSignatureNames()
{
if (acroForm == null)
{
return;
}
IList <Object[]> sorter = new List <Object[]>();
foreach (KeyValuePair <String, PdfFormField> entry in acroForm.GetFormFields())
{
PdfFormField field = entry.Value;
PdfDictionary merged = field.GetPdfObject();
if (!PdfName.Sig.Equals(merged.Get(PdfName.FT)))
{
continue;
}
PdfDictionary v = merged.GetAsDictionary(PdfName.V);
if (v == null)
{
continue;
}
PdfString contents = v.GetAsString(PdfName.Contents);
if (contents == null)
{
continue;
}
else
{
contents.MarkAsUnencryptedObject();
}
PdfArray ro = v.GetAsArray(PdfName.ByteRange);
if (ro == null)
{
continue;
}
int rangeSize = ro.Size();
if (rangeSize < 2)
{
continue;
}
int length = ro.GetAsNumber(rangeSize - 1).IntValue() + ro.GetAsNumber(rangeSize - 2).IntValue();
sorter.Add(new Object[] { entry.Key, new int[] { length, 0 } });
}
JavaCollectionsUtil.Sort(sorter, new SignatureUtil.SorterComparator());
if (sorter.Count > 0)
{
try {
if (((int[])sorter[sorter.Count - 1][1])[0] == document.GetReader().GetFileLength())
{
totalRevisions = sorter.Count;
}
else
{
totalRevisions = sorter.Count + 1;
}
}
catch (System.IO.IOException) {
}
// TODO: add exception handling (at least some logger)
for (int k = 0; k < sorter.Count; ++k)
{
Object[] objs = sorter[k];
String name = (String)objs[0];
int[] p = (int[])objs[1];
p[1] = k + 1;
sigNames.Put(name, p);
orderedSignatureNames.Add(name);
}
}
}
