public IHttpActionResult Complete(SignatureCompleteRequest request)
{
byte[] signatureContent;
try {
// Instantiate a CadesSigner class
var cadesSigner = new CadesSigner();
// Set the document to be signed and the policy, exactly like in the Start action
if (!string.IsNullOrEmpty(request.FileId))
{
cadesSigner.SetDataToSign(Storage.GetFile(request.FileId));
}
else
{
cadesSigner.SetDataToSign(Storage.GetSampleDocContent());
}
cadesSigner.SetPolicy(getSignaturePolicy());
// Set signer's certificate
cadesSigner.SetSigningCertificate(PKCertificate.Decode(request.Certificate));
// Set the signature computed on the client-side, along with the "to-sign-bytes" received from the request.
cadesSigner.SetPrecomputedSignature(request.Signature, request.ToSignBytes);
// Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the resulting signature.
cadesSigner.ComputeSignature();
// Get the signature as an array of bytes
signatureContent = cadesSigner.GetSignature();
} 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, ".p7s"),
Certificate = new CertificateModel(PKCertificate.Decode(request.Certificate))
};
return(Ok(response));
}
public async Task <SignatureCompleteResponse> Complete(string token)
{
var storage = new Storage(hostingEnvironment);
var client = Util.GetRestPkiClient(restPkiConfig);
// Get an instance of the PadesSignatureFinisher2 class, responsible for completing the signature process
var signatureFinisher = new PadesSignatureFinisher2(client)
{
// Set the token for this signature (acquired previously and passed back here by the angular controller)
Token = token
};
// Call the FinishAsync() method, which finalizes the signature process and returns a SignatureResult object
var signatureResult = await signatureFinisher.FinishAsync();
// 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 a database or storage service. For demonstration purposes, we'll
// store the PDF on our "storage mock", which in turn stores the PDF on the App_Data folder.
// The SignatureResult object has various methods for writing the signature file to a stream (WriteToAsync()), local file (WriteToFileAsync()),
// open a stream to read the content (OpenReadAsync()) and get its contents (GetContentAsync()). Avoid the method GetContentAsync() to prevent
// memory allocation issues with large files.
string filename;
using (var signatureStream = await signatureResult.OpenReadAsync()) {
filename = await storage.StoreAsync(signatureStream, ".pdf");
}
// Pass the following fields to be used on signature-results template:
// - The signature filename, which can be used to provide a link to the file
// - The user's certificate
var response = new SignatureCompleteResponse()
{
Filename = filename,
Certificate = new Models.CertificateModel(signerCert)
};
return(response);
}
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(SignatureCompleteRequest request)
{
byte[] signatureContent;
try {
// Instantiate a XmlElementSigner class
var signer = new XmlElementSigner();
// Set the document to be signed and the policy, exactly like in the Start action
signer.SetXml(Storage.GetSampleNFeContent());
signer.SetPolicy(getSignaturePolicy());
// Set the signature computed on the client-side, along with the "transfer data"
signer.SetPrecomputedSignature(request.Signature, request.TransferData);
// Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the resulting signature
signer.ComputeSignature();
// Get the signed XML as an array of bytes
signatureContent = signer.GetSignedXml();
} 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, ".xml"),
Certificate = new CertificateModel(PKCertificate.Decode(request.Certificate))
};
return(Ok(response));
}
