public ActionResult Complete(BatchSignatureCompleteRequest request)
{
byte[] signatureContent;
// Recover the "transfer data" content stored in a temporary file.
byte[] transferDataContent;
if (!StorageMock.TryGetFile(request.TransferDataFileId, out transferDataContent))
{
return(HttpNotFound());
}
// Instantiate a PadesSigner class
var padesSigner = new PadesSigner();
// Set the signature policy.
padesSigner.SetPolicy(GetSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data" recovered from a temporary file
padesSigner.SetPreComputedSignature(request.Signature, transferDataContent);
// Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the
// resulting signature
padesSigner.ComputeSignature();
// Get the signed PDF as an array of bytes
signatureContent = padesSigner.GetPadesSignature();
return(Json(new BatchSignatureCompleteResponse()
{
SignedFileId = StorageMock.Store(signatureContent, ".pdf")
}));
}
private void completeSignature()
{
byte[] signatureContent;
try {
// Retrieve the "transfer data" stored on the initial step (see method startNextSignature()).
var transferData = Storage.GetFile(TransferDataFileIdField.Value);
// We won't be needing the "transfer data" anymore, so we delete it.
Storage.DeleteFile(TransferDataFileIdField.Value);
// Instantiate a PadesSigner class.
var padesSigner = new PadesSigner();
// Set the signature policy, exactly like in the Start method.
padesSigner.SetPolicy(getSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data".
padesSigner.SetPreComputedSignature(Convert.FromBase64String(SignatureField.Value), transferData);
// Call ComputeSignature(), which does all the work, including validation of the signer's
// certificate and of the resulting signature.
padesSigner.ComputeSignature();
// Get the signed PDF as an array of bytes.
signatureContent = padesSigner.GetPadesSignature();
}
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;
}
// Store the signed file.
var file = Storage.StoreFile(signatureContent, ".pdf");
// Update the page with a link to the signed file.
var docItem = DocumentsListView.Items[DocumentIndex];
docItem.DataItem = new DocumentItem()
{
Id = DocumentIds[DocumentIndex],
DownloadLink = "Download?file=" + file
};
docItem.DataBind();
}
public ActionResult Complete(SignatureCompleteModel model)
{
byte[] signatureContent;
try {
// Recover the "transfer data" content stored in a temporary file.
byte[] transferDataContent;
if (!StorageMock.TryGetFile(model.TransferDataFileId, out transferDataContent))
{
return(HttpNotFound());
}
// Get an instance of the PadesSigner class.
var padesSigner = new PadesSigner();
// Set the signature policy.
padesSigner.SetPolicy(GetSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data" (rendered in a hidden field, see the view)
padesSigner.SetPreComputedSignature(model.Signature, transferDataContent);
// Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the resulting signature
padesSigner.ComputeSignature();
// Get the signed PDF as an array of bytes
signatureContent = padesSigner.GetPadesSignature();
} catch (ValidationException ex) {
// Some of the operations above may throw a ValidationException, for instance if the certificate is revoked.
ModelState.AddModelError("", ex.ValidationResults.ToString());
// Return userfile to continue the signature with the same file.
return(View(model));
}
// On the next step (SignatureInfo action), we'll render the following information:
// - The filename to be available to download in next action.
// - The signer's certificate information to be rendered.
// We'll store these values on TempData, which is a dictionary shared between actions.
TempData["SignatureInfoModel"] = new SignatureInfoModel()
{
// Store the signature file on the folder "App_Data/" and redirects to the SignatureInfo action with the filename.
// With this filename, it can show a link to download the signature file.
File = StorageMock.Store(signatureContent, ".pdf")
};
return(RedirectToAction("SignatureInfo"));
}
protected void SubmitSignatureButton_Click(object sender, EventArgs e)
{
byte[] signatureContent;
try {
// Retrieve the "transfer data" stored on the initial step (see method startNextSignature()).
var transferData = Storage.GetFile(TransferDataFileIdField.Value);
// We won't be needing the "transfer data" anymore, so we delete it.
Storage.DeleteFile(TransferDataFileIdField.Value);
// Instantiate a PadesSigner class.
var padesSigner = new PadesSigner();
// Set the signature policy, exactly like in the Start method.
padesSigner.SetPolicy(getSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data".
padesSigner.SetPreComputedSignature(Convert.FromBase64String(SignatureField.Value), transferData);
// Call ComputeSignature(), which does all the work, including validation of the signer's
// certificate and of the resulting signature.
padesSigner.ComputeSignature();
// Get the signed PDF as an array of bytes.
signatureContent = padesSigner.GetPadesSignature();
}
catch (ValidationException ex) {
// Some of the operations above may throw a ValidationException, for instance if the certificate
// is revoked.
ex.ValidationResults.Errors.ForEach(ve => ModelState.AddModelError("", ve.ToString()));
CertificateField.Value = "";
ToSignHashField.Value = "";
return;
}
// Pass the following fields to be used on PadesSignatureInfo page:
// - The signature file will be stored on the folder "App_Data/". Its name will be passed by
// SignatureFile field.
// - The user's certificate
this.SignatureFile = Storage.StoreFile(signatureContent, ".pdf");
this.Certificate = PKCertificate.Decode(Convert.FromBase64String(CertificateField.Value));
Server.Transfer("PadesSignatureInfo.aspx");
}
public IHttpActionResult Complete(SignatureCompleteRequest request)
{
byte[] signatureContent;
try {
// Retrieve the "transfer data" stored on the initial step (see Start action)
var transferData = Storage.GetFile(request.TransferDataFileId);
// We won't be needing the "transfer data" anymore, so we delte it
Storage.DeleteFile(request.TransferDataFileId);
// Instantiate a PadesSigner class
var padesSigner = new PadesSigner();
// Set the signature policy, exactly like in the Start method
padesSigner.SetPolicy(getSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data"
padesSigner.SetPreComputedSignature(request.Signature, transferData);
// Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the resulting signature
padesSigner.ComputeSignature();
// Get the signed PDF as an array of bytes
signatureContent = padesSigner.GetPadesSignature();
} catch (ValidationException ex) {
// Some of the operations above may throw a ValidationException, for instance if the certificate is revoked.
return(new ResponseMessageResult(Request.CreateResponse(HttpStatusCode.BadRequest, new ValidationErrorModel(ex.ValidationResults))));
}
// Pass the following fields to be used on signature-results template:
// - The signature file will be stored on the folder "App_Data/". Its name will be passed by Filename field.
// - The user's certificate
var response = new SignatureCompleteResponse()
{
Filename = Storage.StoreFile(signatureContent, ".pdf"),
Certificate = new CertificateModel(PKCertificate.Decode(request.Certificate))
};
return(Ok(response));
}
public IHttpActionResult Complete(BatchSignatureCompleteRequest request)
{
byte[] signatureContent;
try {
// Recover the "transfer data" content stored in a temporary file
string extension;
byte[] transferDataContent;
if (!Storage.TryGetFile(request.TransferDataFileId, out transferDataContent, out extension))
{
return(NotFound());
}
// Instantiate a PadesSigner class
var padesSigner = new PadesSigner();
// Set the signature policy, exactly like in the Start method
padesSigner.SetPolicy(getSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data" recovered from a temporary file
padesSigner.SetPreComputedSignature(request.Signature, transferDataContent);
// Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the
// resulting signature
padesSigner.ComputeSignature();
// Get the signed PDF as an array of bytes
signatureContent = padesSigner.GetPadesSignature();
}
catch (ValidationException ex) {
// Some of the operations above may throw a ValidationException, for instance if the certificate is revoked.
var message = Request.CreateErrorResponse(HttpStatusCode.InternalServerError, ex.ValidationResults.ToString());
return(ResponseMessage(message));
}
return(Ok(new BatchSignatureCompleteResponse()
{
SignedFileId = Storage.StoreFile(signatureContent, ".pdf")
}));
}
public ActionResult Complete(SignatureCompleteModel model)
{
byte[] signatureContent;
try {
// Instantiate a PadesSigner class
var padesSigner = new PadesSigner();
// Set the signature policy, exactly like in the Start method
padesSigner.SetPolicy(getSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data" (rendered in a hidden field, see the view)
padesSigner.SetPreComputedSignature(model.Signature, model.TransferData);
// Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the resulting signature
padesSigner.ComputeSignature();
// Get the signed PDF as an array of bytes
signatureContent = padesSigner.GetPadesSignature();
} catch (ValidationException ex) {
// Some of the operations above may throw a ValidationException, for instance if the certificate is revoked.
ModelState.AddModelError("", ex.ValidationResults.ToString());
return(View());
}
// On the next step (SignatureInfo action), we'll render the following information:]
// - The filename to be available to download in next action.
// - The signer's certificate information to be rendered.
// We'll store these values on TempData, which is a dictionary shared between actions.
TempData["SignatureInfoModel"] = new SignatureInfoModel()
{
// Store the signature file on the folder "App_Data/" and redirects to the SignatureInfo action with the filename.
// With this filename, it can show a link to download the signature file.
Filename = Storage.StoreFile(signatureContent, ".pdf"),
UserCert = PKCertificate.Decode(model.CertContent)
};
return(RedirectToAction("SignatureInfo"));
}
