public static string Complete(string token)
{
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(Util.GetRestPkiClient())
{
// Set the token for this signature acquired previously
Token = token
};
// Call the Finish() method, which finalizes the signature process and returns an SignatureResult object to access
// the signed PDF
var result = signatureFinisher.Finish();
// At this point, you'd typically store the signed PDF on your database. For demonstration purposes, we'll
// store the PDF on our mock Storage class.
// The SignatureResult object has various methods for writing the signature file to a stream (WriteTo()), local file (WriteToFile()), open
// a stream to read the content (OpenRead()) and get its contents (GetContent()). For large files, avoid the method GetContent() to avoid
// memory allocation issues.
string fileId;
using (var resultStream = result.OpenRead()) {
fileId = StorageMock.Store(resultStream, ".pdf");
}
// If you prefer a simpler approach without streams, simply do:
//fileId = StorageMock.Store(result.GetContent(), ".pdf");
// Send to the javascript the signed file's id to be referenced on a download link
return(fileId);
}
protected void SubmitButton_Click(object sender, EventArgs e)
{
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(Util.GetRestPkiClient())
{
// Set the token for this signature acquired previously
Token = (string)ViewState["Token"]
};
// Call the Finish() method, which finalizes the signature process and returns an object to access the signed PDF
var result = signatureFinisher.Finish();
// At this point, you'd typically store the signed PDF on your database. For demonstration purposes, we'll
// store the PDF on our mock Storage class.
// The SignatureResult object has various methods for writing the signature file to a stream (WriteTo()), local file (WriteToFile()), open
// a stream to read the content (OpenRead()) and get its contents (GetContent()). For large files, avoid the method GetContent() to avoid
// memory allocation issues.
string fileId;
using (var resultStream = result.OpenRead()) {
fileId = StorageMock.Store(resultStream, ".pdf");
}
// If you prefer a simpler approach without streams, simply do:
//fileId = StorageMock.Store(result.GetContent(), ".pdf");
// What you do at this point is up to you. For demonstration purposes, we'll render a page with a link to
// download the signed PDF and with the signer's certificate details.
this.SignatureFilename = fileId;
this.SignerCertificate = result.Certificate;
Server.Transfer("PadesSignatureInfo.aspx");
}
protected void SubmitButton_Click(object sender, EventArgs e)
{
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(Util.GetRestPkiClient())
{
// Set the token for this signature (rendered in a hidden input field, see the view)
Token = (string)ViewState["Token"]
};
// Call the Finish() method, which finalizes the signature process and returns an object to access the signed PDF
var result = signatureFinisher.Finish();
// At this point, you'd typically store the signed PDF on your database. For demonstration purposes, we'll
// store the PDF on our mock Storage class
string fileId;
using (var resultStream = result.OpenRead()) {
fileId = StorageMock.Store(resultStream, ".pdf");
}
// If you prefer a simpler approach without streams, simply do:
// fileId = Storage.Store(result.GetContent(), ".pdf");
// What you do at this point is up to you. For demonstration purposes, we'll render a page with a link to
// download the signed PDF and with the signer's certificate details.
this.SignatureFilename = fileId;
this.SignerCertificate = result.Certificate;
Server.Transfer("PadesSignatureInfo.aspx");
}
private void completeSignature()
{
string filename;
try {
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(Util.GetRestPkiClient())
{
// Retrieve the token for this signature stored on the initial step (see method startNextSignature())
Token = TokenField.Value
};
// Call the Finish() method, which finalizes the signature process and returns a SignatureResult object
var signatureResult = signatureFinisher.Finish();
// At this point, you'd typically store the signed PDF on your database. For demonstration purposes, we'll
// store the PDF on the App_Data folder.
var appDataPath = Server.MapPath("~/App_Data");
if (!Directory.Exists(appDataPath))
{
Directory.CreateDirectory(appDataPath);
}
var id = Guid.NewGuid();
filename = id + ".pdf";
// The SignatureResult object has various methods for writing the signature file to a stream (WriteTo()), local file (WriteToFile()), open
// a stream to read the content (OpenRead()) and get its contents (GetContent()). For large files, avoid the method GetContent() to avoid
// memory allocation issues.
signatureResult.WriteToFile(Path.Combine(appDataPath, filename));
} catch (ValidationException ex) {
// One or more validations failed. We log the error and update the page with a summary of what happened to this document
//logger.Error(ex, "Validation error completing the signature of a batch document");
setValidationError(ex.ValidationResults);
return;
} catch (Exception ex) {
// An error has occurred. We log the error and update the page with a summary of what happened to this document
//logger.Error(ex, "Error completing the signature of a batch document");
setError(ex.Message);
return;
}
// Update the page with a link to the signed file
var docItem = DocumentsListView.Items[DocumentIndex];
docItem.DataItem = new DocumentItem()
{
Id = DocumentIds[DocumentIndex],
DownloadLink = "Download.aspx?file=" + filename
};
docItem.DataBind();
}
private void completeSignature()
{
string fileId;
try {
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(Util.GetRestPkiClient())
{
// Retrieve the token for this signature stored as hidden field on the initial step (see method startNextSignature())
Token = TokenField.Value
};
// Call the Finish() method, which finalizes the signature process and returns an SignatureResult object to access
// the signed PDF
var result = signatureFinisher.Finish();
// At this point, you'd typically store the signed PDF on your database. For demonstration purposes, we'll
// store the PDF on our mock Storage class.
// The SignatureResult object has various methods for writing the signature file to a stream (WriteTo()), local file (WriteToFile()), open
// a stream to read the content (OpenRead()) and get its contents (GetContent()). For large files, avoid the method GetContent() to avoid
// memory allocation issues.
using (var resultStream = result.OpenRead()) {
fileId = StorageMock.Store(resultStream, ".pdf");
}
// If you prefer a simpler approach without streams, simply do:
//fileId = StorageMock.Store(result.GetContent(), ".pdf");
} catch (ValidationException ex) {
// One or more validations failed. We log the error and update the page with a summary of what happened to this document
setValidationError(ex.ValidationResults);
return;
} catch (Exception ex) {
// An error has occurred. We log the error and update the page with a summary of what happened to this document
setError(ex.Message);
return;
}
// Update the page with a link to the signed file
var docItem = DocumentsListView.Items[DocumentIndex];
docItem.DataItem = new DocumentItem()
{
Id = DocumentIds[DocumentIndex],
DownloadLink = "Download.aspx?fileId=" + fileId
};
docItem.DataBind();
}
public ActionResult Complete(BatchSignatureCompleteRequest request)
{
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(Util.GetRestPkiClient())
{
// Set the token for this signature (rendered in a hidden input field, see the view)
Token = request.Token,
// Set the result of the RSA signature. Notice that this call is not necessary on the "regular" batch signature example
Signature = Convert.FromBase64String(request.Signature),
};
// Call the Finish() method, which finalizes the signature process and returns a SignatureResult object
var signatureResult = signatureFinisher.Finish();
// The "Certificate" property of the SignatureResult object contains information about the certificate used by the user
// to sign the file.
var signerCert = signatureResult.Certificate;
// At this point, you'd typically store the signed PDF on your database. For demonstration purposes, we'll
// store the PDF on the App_Data folder and render a page with a link to download the signed PDF and with the
// signer's certificate details.
var appDataPath = Server.MapPath("~/App_Data");
if (!Directory.Exists(appDataPath))
{
Directory.CreateDirectory(appDataPath);
}
var signedFileId = Guid.NewGuid();
var filename = signedFileId + ".pdf";
// The SignatureResult object has various methods for writing the signature file to a stream (WriteTo()), local file (WriteToFile()), open
// a stream to read the content (OpenRead()) and get its contents (GetContent()). For large files, avoid the method GetContent() to avoid
// memory allocation issues.
signatureResult.WriteToFile(Path.Combine(appDataPath, filename));
var signedFile = filename.Replace(".", "_"); // Note: we're passing the filename argument with "." as "_" because of limitations of ASP.NET MVC
return(Json(signedFile));
}
protected void SubmitButton_Click(object sender, EventArgs e)
{
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(Util.GetRestPkiClient())
{
// Set the token for this signature acquired previously
Token = (string)ViewState["Token"]
};
// Call the Finish() method, which finalizes the signature process and returns a SignatureResult object
var signatureResult = signatureFinisher.Finish();
// The "Certificate" property of the SignatureResult object contains information about the certificate used by the user
// to sign the file.
var signerCert = signatureResult.Certificate;
// At this point, you'd typically store the signed PDF on your database. For demonstration purposes, we'll
// store the PDF on the App_Data folder and render a page with a link to download the signed PDF and with the
// signer's certificate details.
var appDataPath = Server.MapPath("~/App_Data");
if (!Directory.Exists(appDataPath))
{
Directory.CreateDirectory(appDataPath);
}
var id = Guid.NewGuid();
var filename = id + ".pdf";
// The SignatureResult object has various methods for writing the signature file to a stream (WriteTo()), local file (WriteToFile()), open
// a stream to read the content (OpenRead()) and get its contents (GetContent()). For large files, avoid the method GetContent() to avoid
// memory allocation issues.
signatureResult.WriteToFile(Path.Combine(appDataPath, filename));
this.SignatureFilename = filename;
this.SignerCertificate = signerCert;
Server.Transfer("PadesSignatureInfo.aspx");
}