private string[] signDocuments()
{
String officeDocument = Properties.Resources.OfficeObject;
X509Certificate2 certificate = CertificateUtils.GetCertificate();
if (certificate != null)
{
List <string> signedDocuments = new List <string>();
if (chkCopyDocuments.Checked)
{
documentsSignStatus = FileOperations.Copy(compatibleDocumentsList, txtPath.Text, chkOverwrite.Checked);
foreach (FileStatus documentToSign in documentsSignStatus)
{
if (documentToSign.Status == Status.Success)
{
try
{
loadDigitalSignature(documentToSign.Path);
bool signatureExists = digitalSignature.DocumentHasSignature(certificate);
if (signatureExists)
{
if (!chkNotSignIfAlreadyExists.Checked)
{
digitalSignature.SetOfficeDocument(officeDocument);
digitalSignature.SignDocument(certificate);
}
else
{
documentToSign.Status = Status.SignatureAlreadyExists;
}
}
else
{
digitalSignature.SetOfficeDocument(officeDocument);
digitalSignature.SignDocument(certificate);
}
signedDocuments.Add(documentToSign.Path);
if (digitalSignature.DocumentType.Equals(Types.XpsDocument))
{
digitalSignature.xpsDocument.Close();
}
else
{
digitalSignature.package.Close();
}
}
catch (NullReferenceException)
{
documentToSign.Status = Status.GenericError;
}
catch (FileFormatException)
{
documentToSign.Status = Status.CorruptedContent;
}
catch (IOException e)
{
documentToSign.Status = Status.InUseByAnotherProcess;
}
catch (Exception e)
{
documentToSign.Status = Status.GenericError;
}
}
}
}
else
{
foreach (string documentToSign in compatibleDocuments)
{
Status st = new Status();
try
{
loadDigitalSignature(documentToSign);
bool signatureExists = digitalSignature.DocumentHasSignature(certificate);
if (signatureExists)
{
if (!chkNotSignIfAlreadyExists.Checked)
{
digitalSignature.SetOfficeDocument(officeDocument);
digitalSignature.SignDocument(certificate);
st = Status.ModifiedButNotBackedUp;
}
else
{
st = Status.SignatureAlreadyExistsNotBackedUp;
}
}
else
{
digitalSignature.SetOfficeDocument(officeDocument);
digitalSignature.SignDocument(certificate);
st = Status.ModifiedButNotBackedUp;
}
signedDocuments.Add(documentToSign);
if (digitalSignature.DocumentType.Equals(Types.XpsDocument))
{
digitalSignature.xpsDocument.Close();
}
else
{
digitalSignature.package.Close();
}
}
catch
{
st = Status.NotSigned;
}
FileStatus documentSignStatus = new FileStatus(documentToSign, st);
documentsSignStatus.Add(documentSignStatus);
}
}
return(signedDocuments.ToArray());
}
return(null);
}
