public void AddLtv(String src, String dest, IOcspClient ocsp, ICrlClient crl, ITSAClient tsa)
{
PdfReader r = new PdfReader(src);
FileStream fos = new FileStream(dest, FileMode.Create);
PdfStamper stp = PdfStamper.CreateSignature(r, fos, '\0', null, true);
LtvVerification v = stp.LtvVerification;
AcroFields fields = stp.AcroFields;
List <String> names = fields.GetSignatureNames();
String sigName = names[names.Count - 1];
PdfPKCS7 pkcs7 = fields.VerifySignature(sigName);
if (pkcs7.IsTsp)
{
v.AddVerification(sigName, ocsp, crl, LtvVerification.CertificateOption.SIGNING_CERTIFICATE, LtvVerification.Level.OCSP_CRL, LtvVerification.CertificateInclusion.NO);
}
else
{
foreach (String name in names)
{
v.AddVerification(name, ocsp, crl, LtvVerification.CertificateOption.WHOLE_CHAIN, LtvVerification.Level.OCSP_CRL, LtvVerification.CertificateInclusion.NO);
}
}
PdfSignatureAppearance sap = stp.SignatureAppearance;
LtvTimestamp.Timestamp(sap, tsa, null);
}
void Button4Click(object sender, EventArgs e)
{
if (!tsaCbx.Checked || TSAUrlTextBox.Text == "")
{
MessageBox.Show("Marca temporale non selezionata, oppure server non definito");
return;
}
string TSA_URL = TSAUrlTextBox.Text;
string TSA_ACCNT = tsaLogin.Text;
string TSA_PASSW = tsaPwd.Text;
if (fbd.ShowDialog() == DialogResult.OK)
{
string foldername = fbd.SelectedPath;
string[] files = Directory.GetFiles(foldername, "*.pdf");
pb.Minimum = 0;
pb.Maximum = files.Length;
pb.Visible = true;
lb2.Items.Clear();
foreach (string s in files)
{
//just filename
try {
string ext = s.Substring(1 + s.LastIndexOf(@".")).ToLowerInvariant();
if (ext == "pdf" || ext == "PDF")
{
//ricreo il percorso con il nome del nuovo file
string file = s.Substring(1 + s.LastIndexOf(@"\"));
string NuovoFile = s.Substring(0, s.LastIndexOf(@"\") + 1) + file.Substring(0, file.LastIndexOf(".")) + "_validato_" + DateTime.Now.ToFileTime() + ".pdf";
PdfReader r = new PdfReader(s);
FileStream fout = new FileStream(NuovoFile, FileMode.Create);
PdfStamper stp = PdfStamper.CreateSignature(r, fout, '\0', null, true);
LtvVerification v = stp.LtvVerification;
AcroFields af = stp.AcroFields;
foreach (string sigName in af.GetSignatureNames())
{
v.AddVerification(sigName, new OcspClientBouncyCastle(), new CrlClientImp(), LtvVerification.CertificateOption.WHOLE_CHAIN, LtvVerification.Level.OCSP_CRL, LtvVerification.CertificateInclusion.NO);
}
PdfSignatureAppearance sap = stp.SignatureAppearance;
TSAClientBouncyCastle tsa = new TSAClientBouncyCastle(TSA_URL, TSA_ACCNT, TSA_PASSW, 6500, "sha256");
LtvTimestamp.Timestamp(sap, tsa, null);
lb2.Items.Add(NuovoFile);
lb2.Refresh();
pb.Increment(1);
}
}
catch (Exception ex) {
MessageBox.Show(ex.ToString());
pb.Visible = false;
return;
}
}
MessageBox.Show(pb.Maximum.ToString() + " file firmati correttamente", "Operazione Completata");
pb.Visible = false;
}
}
private void AdicionarLtv(PdfStamper stamper, PdfSignatureAppearance appearance)
{
Log.Application.Info("Validacao iniciado");
var v = stamper.LtvVerification;
var fields = stamper.AcroFields;
var names = fields.GetSignatureNames();
Log.Application.Info("fields-" + fields.TotalRevisions);
Log.Application.Info("names-" + names.Count);
var sigName = names[names.Count - 1];
var pkcs7 = fields.VerifySignature(sigName);
Log.Application.Info("verificando tsp");
if (pkcs7.IsTsp)
{
Log.Application.Info("Adicionando verificacao para " + sigName);
v.AddVerification(
sigName,
this.ocspClient,
new CrlClientOnline(this.cadeiaTempo),
LtvVerification.CertificateOption.SIGNING_CERTIFICATE,
LtvVerification.Level.OCSP_CRL,
LtvVerification.CertificateInclusion.YES);
}
else
{
foreach (var name in names)
{
Log.Application.Info("Adicionando verificacao para nomes" + name);
v.AddVerification(
name,
this.ocspClient,
new CrlClientOnline(this.cadeiaTempo),
LtvVerification.CertificateOption.WHOLE_CHAIN,
LtvVerification.Level.OCSP_CRL,
LtvVerification.CertificateInclusion.YES);
}
}
LtvTimestamp.Timestamp(appearance, this.tsaClient, null);
}
