public ActionResult Index(SignatureStartModel model) { byte[] toSignBytes, transferData; SignatureAlgorithm signatureAlg; try { // Verify if the userfile exists and get its absolute path. string userfilePath; if (!StorageMock.TryGetFile(model.UserFile, out userfilePath)) { return(HttpNotFound()); } // Decode the user's certificate. var cert = PKCertificate.Decode(model.CertContent); // Get an instance of the PadesSigner class. var padesSigner = new PadesSigner(); // Set the file to be signed. padesSigner.SetPdfToSign(userfilePath); // Set the signer certificate. padesSigner.SetSigningCertificate(cert); // Set the signature policy. padesSigner.SetPolicy(GetSignaturePolicy()); // Set a visual representation for the signature. padesSigner.SetVisualRepresentation(PadesVisualElements.GetVisualRepresentationForPkiSdk(cert)); // Generate the "to-sign-bytes". This method also yields the signature algorithm that must // be used on the client-side, based on the signature policy, as well as the "transfer data", // a byte-array that will be needed on the next step. toSignBytes = padesSigner.GetToSignBytes(out signatureAlg, out transferData); } catch (ValidationException ex) { // Some of the operations above may throw a ValidationException, for instance if the certificate // encoding cannot be read or if the certificate is expired. ModelState.AddModelError("", ex.ValidationResults.ToString()); return(View()); } // On the next step (Complete action), we'll need once again some information: // - The thumbprint of the selected certificate. // - The "transfer data" used to validate the signature in complete action. Its content is stored in // a temporary file (with extension .bin) to be shared with the Complete action. // - The "to-sign-hash" (digest of the "to-sign-bytes") to be signed. (see signature-complete-form.js) // - The OID of the digest algorithm to be used during the signature operation. // We'll store these values on TempData, which is a dictionary shared between actions. TempData["SignatureCompleteModel"] = new SignatureCompleteModel() { CertThumb = model.CertThumb, TransferDataFileId = StorageMock.Store(transferData, ".bin"), ToSignHash = signatureAlg.DigestAlgorithm.ComputeHash(toSignBytes), DigestAlgorithmOid = signatureAlg.DigestAlgorithm.Oid }; return(RedirectToAction("Complete", new { userfile = model.UserFile })); }
public ActionResult Start(BatchSignatureStartRequest request) { byte[] toSignBytes, transferData; SignatureAlgorithm signatureAlg; try { // Decode the user's certificate var cert = PKCertificate.Decode(request.CertContent); // Instantiate a PadesSigner class var padesSigner = new PadesSigner(); // Set the PDF to sign, which in the case of this example is one of the batch documents padesSigner.SetPdfToSign(StorageMock.GetBatchDocPath(request.Id)); // Set the signer certificate padesSigner.SetSigningCertificate(cert); // Set the signature policy. padesSigner.SetPolicy(GetSignaturePolicy()); // Set a visual representation for the signature. padesSigner.SetVisualRepresentation(PadesVisualElements.GetVisualRepresentationForPkiSdk(cert)); // Generate the "to-sign-bytes". This method also yields the signature algorithm that must // be used on the client-side, based on the signature policy, as well as the "transfer data", // a byte-array that will be needed on the next step. toSignBytes = padesSigner.GetToSignBytes(out signatureAlg, out transferData); } catch (ValidationException ex) { // Some of the operations above may throw a ValidationException, for instance if the certificate // encoding cannot be read or if the certificate is expired. return(new HttpStatusCodeResult(500, ex.ValidationResults.ToString())); } // For the next steps, we'll need once again some information: // - The "transfer data" filename. Its content is stored in a temporary file (with extension .bin) to // be shared with the Complete action. // - The "to-sign-hash" (digest of the "to-sign-bytes"). And the OID of the digest algorithm to be // used during the signature operation. this information is need in the signature computation with // Web PKI component. (see batch-signature-form.js) return(Json(new BatchSignatureStartResponse() { TransferDataFileId = StorageMock.Store(transferData, ".bin"), ToSignHash = signatureAlg.DigestAlgorithm.ComputeHash(toSignBytes), DigestAlgorithmOid = signatureAlg.DigestAlgorithm.Oid })); }
public ActionResult Start(SignatureStartModel model) { byte[] toSignBytes, transferData; SignatureAlgorithm signatureAlg; try { // Verify if the userfile exists and get its absolute path. string userfilePath; if (!StorageMock.TryGetFile(model.UserFile, out userfilePath)) { return(HttpNotFound()); } // Decode the user's certificate. var cert = PKCertificate.Decode(model.CertContent); // Get an instance of the PadesSigner class. var padesSigner = new PadesSigner(); // Set the file to be signed. padesSigner.SetPdfToSign(userfilePath); // REQUIRED! // Provide the signer's certificate. You must sign with a valid digital // certificate of a doctor, who was registered on CRM. In this sample, // we used a sample certificate stored on server to do the execute this // sample. padesSigner.SetSigningCertificate(cert); // REQUIRED! // Define the trust arbitrator, which will configure the signer to // some kind of certificate. In the case of this sample, only // ICP-Brasil certificates will be accepted in the defined standard. var trustArbitrator = new LinkedTrustArbitrator(TrustArbitrators.PkiBrazil); #if DEBUG // For development purposes, we also trust in Lacuna Software's test certificates. var lacunaRoot = Lacuna.Pki.PKCertificate.Decode(Convert.FromBase64String("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")); trustArbitrator.Add(new TrustedRoots(lacunaRoot)); #endif // REQUIRED! // Use a policy accepted by ICP-Brasil. We use the trust arbitrator // defined above to configure the policy. padesSigner.SetPolicy(PadesPoliciesForGeneration.GetPadesBasic(trustArbitrator)); // REQUIRED! // Use a custom signature field name. This field MUST have the // "Emitente" keyword as the last keyword. padesSigner.SetCustomSignatureFieldName("Signature1 Emitente"); // REQUIRED! // Set Certification Level to not allow changes after signed. padesSigner.SetCertificationLevel(PadesCertificationLevel.CertifiedNoChangesAllowed); // Set a visual representation for the signature. padesSigner.SetVisualRepresentation(PadesVisualElements.GetVisualRepresentationForPkiSdk(cert)); // Generate the "to-sign-bytes". This method also yields the signature algorithm that must // be used on the client-side, based on the signature policy, as well as the "transfer data", // a byte-array that will be needed on the next step. toSignBytes = padesSigner.GetToSignBytes(out signatureAlg, out transferData); } catch (ValidationException ex) { // Some of the operations above may throw a ValidationException, for instance if the certificate // encoding cannot be read or if the certificate is expired. ModelState.AddModelError("", ex.ValidationResults.ToString()); return(View()); } // On the next step (Complete action), we'll need once again some information: // - The thumbprint of the selected certificate. // - The "transfer data" used to validate the signature in complete action. Its content is stored in // a temporary file (with extension .bin) to be shared with the Complete action. // - The "to-sign-hash" (digest of the "to-sign-bytes") to be signed. (see signature-complete-form.js) // - The OID of the digest algorithm to be used during the signature operation. // We'll store these values on TempData, which is a dictionary shared between actions. TempData["SignatureCompleteModel"] = new SignatureCompleteModel() { CertThumb = model.CertThumb, TransferDataFileId = StorageMock.Store(transferData, ".bin"), ToSignHash = signatureAlg.DigestAlgorithm.ComputeHash(toSignBytes), DigestAlgorithmOid = signatureAlg.DigestAlgorithm.Oid }; return(RedirectToAction("Complete", new { userfile = model.UserFile })); }
/** * GET /PadesCloudOauthSdk/Complete * * This action will complete the authentication process and create a signature using a session * token returned by user. Also, we recover the parameter "customState" containing the id of the * file that will be signed. */ public async Task <ActionResult> Complete(string code, string state) { byte[] signatureContent; PKCertificateWithKey signingCertificate; try { // Get an instance of the TrustServiceManager class, responsible for communicating with PSCs // and handling the OAuth flow. var manager = Util.GetTrustServicesManager(); // Complete the authentication process, recovering the session info to be used on the // signature and the custom state (fileId). var completeAuthResult = await manager.CompleteAuthAsync(code, state); // Recover file to be sigend on custom state parameter. var userfile = completeAuthResult.CustomState; // Verify if the userfile exists and get its absolute path. string userfilePath; if (!StorageMock.TryGetFile(userfile, out userfilePath)) { return(HttpNotFound()); } // Get an instance of the PadesSigner class, responsible for receiving the signature elements // and performing the local signature. var signer = new PadesSigner(); // Set signature policy. signer.SetPolicy(GetSignaturePolicy()); // Set file to be signed. signer.SetPdfToSign(userfilePath); // Recover the interface for the cloud certificate to be passed to PadesSigner class. var certificatesWithKey = await completeAuthResult.GetCertificatesWithKeyAsync(); signingCertificate = certificatesWithKey.First(); signer.SetSigningCertificate(signingCertificate); // Set a visual representation for the signature. signer.SetVisualRepresentation(PadesVisualElements.GetVisualRepresentationForPkiSdk(signingCertificate.Certificate)); // Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the resulting signature signer.ComputeSignature(); // Get the signed PDF as an array of bytes signatureContent = signer.GetPadesSignature(); } catch (ValidationException ex) { // Some of the operations above may throw a ValidationException, for instance if the certificate // encoding cannot be read or if the certificate is expired. ModelState.AddModelError("", ex.ValidationResults.ToString()); return(View()); } return(View("SignatureInfo", new SignatureInfoModel() { // Store the signature file on the folder "App_Data/". // With this filename, it can show a link to download the signature file. File = StorageMock.Store(signatureContent, ".pdf"), SignerCertificate = signingCertificate.Certificate })); }
/** * This action is called after the form after the user press the button "Sign". This action will * receive the user's CPF and current password. */ public async Task <ActionResult> Authorize(string userfile, string cpf, string service, string password) { byte[] signatureContent; PKCertificateWithKey signingCertificate; try { // Process CPF, removing all formatting. var plainCpf = Regex.Replace(cpf, "/[.-]/", ""); // Get an instance of the TrustServiceManager class, responsible for communicating with PSCs // and handling the OAuth flow. var manager = Util.GetTrustServicesManager(); // Complete authentication using CPF and current password. The following method has three // sessionTypes: // - SINGLE_SIGNATURE: The returned token can only be used for one single signature request. // - MULTI_SIGNATURE: The returned token can only be used for one multi signature request. // - SIGNATURE_SESSION: The return token can only be used for one or more signature requests. var passwordAuthorizeResult = await manager.PasswordAuthorizeAsync(service, plainCpf, password, TrustServiceSessionTypes.SignatureSession); // Verify if the userfile exists and get its absolute path. string userfilePath; if (!StorageMock.TryGetFile(userfile, out userfilePath)) { return(HttpNotFound()); } // Get an instance of the PadesSigner class, responsible for receiving the signature elements // and performing the local signature. var signer = new PadesSigner(); // Set signature policy. signer.SetPolicy(GetSignaturePolicy()); // Set file to be signed. signer.SetPdfToSign(userfilePath); // Recover the interface for the cloud certificate to be passed to PadesSigner class. var certificatesWithKey = await passwordAuthorizeResult.GetCertificatesWithKeyAsync(); signingCertificate = certificatesWithKey.First(); signer.SetSigningCertificate(signingCertificate); // Set a visual representation for the signature. signer.SetVisualRepresentation(PadesVisualElements.GetVisualRepresentationForPkiSdk(signingCertificate.Certificate)); // Call ComputeSignature(), which does all the work, including validation of the signer's certificate and of the resulting signature signer.ComputeSignature(); // Get the signed PDF as an array of bytes signatureContent = signer.GetPadesSignature(); } catch (ValidationException ex) { // Some of the operations above may throw a ValidationException, for instance if the certificate // encoding cannot be read or if the certificate is expired. ModelState.AddModelError("", ex.ValidationResults.ToString()); return(View()); } return(View("SignatureInfo", new SignatureInfoModel() { // Store the signature file on the folder "App_Data/". // With this filename, it can show a link to download the signature file. File = StorageMock.Store(signatureContent, ".pdf"), SignerCertificate = signingCertificate.Certificate })); }