private void btnSignXML_Click(object sender, EventArgs e) { if (string.IsNullOrWhiteSpace(txtXmlFile.Text)) { // files validation MessageBox.Show("The XML file was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (string.IsNullOrWhiteSpace(txtCert.Text)) { // files validation MessageBox.Show("The Signing Certificate was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (string.IsNullOrWhiteSpace(txtCertPass.Text)) { // certificate password validation MessageBox.Show("Signing Certificate password was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (string.IsNullOrWhiteSpace(txtKeyCert.Text)) { // files validation MessageBox.Show("Encryption Certificate was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } try { // load XML file content byte[] xmlContent = File.ReadAllBytes(txtXmlFile.Text); string senderGIIN = Path.GetFileNameWithoutExtension(txtXmlFile.Text); string filePath = Path.GetDirectoryName(txtXmlFile.Text); // perform sign byte[] envelopingSignature = XmlManager.Sign(XmlSignatureType.Enveloping, xmlContent, txtCert.Text, txtCertPass.Text); string envelopingFileName = txtXmlFile.Text.Replace(".xml", "_Payload.xml"); string zipFileName = envelopingFileName.Replace(".xml", ".zip"); // save enveloping version to disk File.WriteAllBytes(envelopingFileName, envelopingSignature); // add enveloping signature to ZIP file ZipManager.CreateArchive(envelopingFileName, zipFileName); // generate AES key (32 bytes) & default initialization vector (empty) byte[] aesEncryptionKey = AesManager.GenerateRandomKey(AesManager.KeySize / 8); byte[] aesEncryptionVector = AesManager.GenerateRandomKey(16, radECB.Checked); // encrypt file & save to disk string encryptedFileName = zipFileName.Replace(".zip", ""); string encryptedHCTAFileName = zipFileName.Replace(".zip", ""); string payloadFileName = encryptedFileName; AesManager.EncryptFile(zipFileName, encryptedFileName, aesEncryptionKey, aesEncryptionVector, radECB.Checked); // encrypt key with public key of certificate & save to disk encryptedFileName = Path.GetDirectoryName(zipFileName) + "\\000000.00000.TA.840_Key"; AesManager.EncryptAesKey(aesEncryptionKey, aesEncryptionVector, txtKeyCert.Text, txtKeyCertPassword.Text, encryptedFileName, radECB.Checked); //For Model1 Option2 Only, encrypt the AES Key with the HCTA Public Key if (chkM1O2.Checked) { encryptedHCTAFileName = Path.GetDirectoryName(zipFileName) + "\\000000.00000.TA." + txtHCTACode.Text + "_Key"; AesManager.EncryptAesKey(aesEncryptionKey, aesEncryptionVector, txtHCTACert.Text, txtHCTACertPassword.Text, encryptedHCTAFileName, radECB.Checked); } // cleanup envelopingSignature = null; aesEncryptionKey = aesEncryptionVector = null; //Start creating XML metadata XmlWriter writer = null; string fileCreationDateTime = ""; fileCreationDateTime = DateTime.Now.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ssZ"); DateTime uDat = new DateTime(); uDat = DateTime.UtcNow; string senderFile = uDat.ToString("yyyyMMddTHHmmssfffZ") + "_" + senderGIIN; try { // Create an XmlWriterSettings object with the correct options. XmlWriterSettings settings = new XmlWriterSettings(); settings.Indent = true; settings.IndentChars = ("\t"); settings.OmitXmlDeclaration = false; settings.NewLineHandling = NewLineHandling.Replace; settings.CloseOutput = true; string metadataFileName = filePath + "\\" + senderGIIN + "_Metadata.xml"; // Create the XmlWriter object and write some content. writer = XmlWriter.Create(metadataFileName, settings); writer.WriteStartElement("FATCAIDESSenderFileMetadata", "urn:fatca:idessenderfilemetadata"); writer.WriteAttributeString("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance"); writer.WriteStartElement("FATCAEntitySenderId"); writer.WriteString(senderGIIN); writer.WriteEndElement(); writer.WriteStartElement("FATCAEntityReceiverId"); writer.WriteString("000000.00000.TA.840"); writer.WriteEndElement(); writer.WriteStartElement("FATCAEntCommunicationTypeCd"); writer.WriteString("RPT"); writer.WriteEndElement(); writer.WriteStartElement("SenderFileId"); writer.WriteString(senderFile); writer.WriteEndElement(); writer.WriteStartElement("FileFormatCd"); writer.WriteString("XML"); writer.WriteEndElement(); writer.WriteStartElement("BinaryEncodingSchemeCd"); writer.WriteString("NONE"); writer.WriteEndElement(); writer.WriteStartElement("FileCreateTs"); writer.WriteString(fileCreationDateTime); writer.WriteEndElement(); writer.WriteStartElement("TaxYear"); writer.WriteString(cmbTaxYear.SelectedItem.ToString()); writer.WriteEndElement(); writer.WriteStartElement("FileRevisionInd"); writer.WriteString("false"); writer.WriteEndElement(); //Close the XmlTextWriter. writer.WriteEndDocument(); writer.Close(); writer.Flush(); //Add the metadata, payload, and key files to the final zip package // add enveloping signature to ZIP file ZipManager.CreateArchive(metadataFileName, filePath + "\\" + senderFile + ".zip"); ZipManager.UpdateArchive(encryptedFileName, filePath + "\\" + senderFile + ".zip"); ZipManager.UpdateArchive(payloadFileName, filePath + "\\" + senderFile + ".zip"); //Add the HCTA Key file for a M1O2 packet if (chkM1O2.Checked) { ZipManager.UpdateArchive(encryptedHCTAFileName, filePath + "\\" + senderFile + ".zip"); } // success MessageBox.Show("XML Signing and Encryption process is complete!", Text, MessageBoxButtons.OK, MessageBoxIcon.Information); } finally { if (writer != null) { writer.Close(); } } } catch (Exception ex) { ex.DisplayException(Text); } }
private void btnSignXML_Click(object sender, EventArgs e) { if (string.IsNullOrWhiteSpace(txtXmlFile.Text)) { // files validation MessageBox.Show("The XML file was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (string.IsNullOrWhiteSpace(txtCert.Text)) { // files validation MessageBox.Show("The Signing Certificate was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (string.IsNullOrWhiteSpace(txtCertPass.Text)) { // certificate password validation MessageBox.Show("Signing Certificate password was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (string.IsNullOrWhiteSpace(txtKeyCert.Text)) { // files validation MessageBox.Show("Encryption Certificate was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (chkSchemaValidation.Checked == true && string.IsNullOrWhiteSpace(txtSchemaFolder.Text)) { // files validation MessageBox.Show("Schema Validation selected but Schema Folder was not specified!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } //this will be used as a holder for processed files if a folder is being sent string processedFolder = ""; try { //if we are sending a folder, we will load up the files into an array to process //otherwise, we will just load our file in the array string[] filesToProcess; if (chkSendFolder.Checked == false) { filesToProcess = new string[1]; filesToProcess[0] = txtXmlFile.Text; } else { // Load all XML files in the folder into an array filesToProcess = Directory.GetFiles(txtXmlFile.Text, "*.xml", SearchOption.TopDirectoryOnly); processedFolder = txtXmlFile.Text + "\\Processed"; //if the processedFolder doesn't exist, create it if (!Directory.Exists(processedFolder)) { Directory.CreateDirectory(processedFolder); } } //This will loop through all files in the array //This will be one file or it could be a set of files in a folder string currentFileToProcess = ""; foreach (string fileName in filesToProcess) { currentFileToProcess = fileName; //if the file we are processing has an underscore we will split it off for logging //this should only happen for bulk sending from a folder if (currentFileToProcess.Contains("_")) { string[] filePart = fileName.Split('_'); currentFileToProcess = txtXmlFile.Text + "\\" + filePart[1]; //Rename the file so we can process it File.Move(fileName, currentFileToProcess); } // perform the schema validation if we have the checkbox checked for it if (chkSchemaValidation.Checked) { string validationError = XmlManager.CheckSchema(currentFileToProcess, txtSchemaFolder.Text); if (validationError != "") { // Show schema validation error(s) MessageBox.Show("Schema Validation Error:\r\n" + validationError, Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } } // load XML file content byte[] xmlContent = File.ReadAllBytes(currentFileToProcess); string senderGIIN = Path.GetFileNameWithoutExtension(currentFileToProcess); string filePath = Path.GetDirectoryName(currentFileToProcess); string fileExtension = Path.GetExtension(currentFileToProcess.ToUpper()).Replace(".", ""); bool isXML = true; if (fileExtension != "XML") { isXML = false; } // perform signature byte[] envelopingSignature; string envelopingFileName = ""; //if the file is XML we will use the enveloping digital signature for the XML if (isXML == true) { envelopingSignature = XmlManager.Sign(XmlSignatureType.Enveloping, xmlContent, txtCert.Text, txtCertPass.Text, filePath); envelopingFileName = currentFileToProcess.Replace(".xml", "_Payload.xml"); } //if the file is NOT XML, we will convert the file data to base64 and put in XML and sign it else { envelopingSignature = XmlManager.Sign(XmlSignatureType.NonXML, xmlContent, txtCert.Text, txtCertPass.Text, filePath); envelopingFileName = currentFileToProcess.ToUpper().Replace(".PDF", "_Payload.xml"); } string zipFileName = envelopingFileName.Replace(".xml", ".zip"); // save enveloping version to disk File.WriteAllBytes(envelopingFileName, envelopingSignature); // add enveloping signature to ZIP file ZipManager.CreateArchive(envelopingFileName, zipFileName); // generate AES key (32 bytes) & default initialization vector (empty) byte[] aesEncryptionKey = AesManager.GenerateRandomKey(AesManager.KeySize / 8); byte[] aesEncryptionVector = AesManager.GenerateRandomKey(16, radECB.Checked); // encrypt file & save to disk string encryptedFileName = zipFileName.Replace(".zip", ""); string encryptedHCTAFileName = zipFileName.Replace(".zip", ""); string payloadFileName = encryptedFileName + ""; AesManager.EncryptFile(zipFileName, encryptedFileName, aesEncryptionKey, aesEncryptionVector, radECB.Checked); // encrypt key with public key of certificate & save to disk encryptedFileName = Path.GetDirectoryName(zipFileName) + "\\000000.00000.TA.840_Key";; AesManager.EncryptAesKey(aesEncryptionKey, aesEncryptionVector, txtKeyCert.Text, txtKeyCertPassword.Text, encryptedFileName, radECB.Checked); //For Model1 Option2 Only, encrypt the AES Key with the HCTA Public Key if (chkM1O2.Checked) { encryptedHCTAFileName = Path.GetDirectoryName(zipFileName) + "\\000000.00000.TA." + txtHCTACode.Text + "_Key"; AesManager.EncryptAesKey(aesEncryptionKey, aesEncryptionVector, txtHCTACert.Text, txtHCTACertPassword.Text, encryptedHCTAFileName, radECB.Checked); } // cleanup envelopingSignature = null; aesEncryptionKey = aesEncryptionVector = null; try { DateTime uDat = new DateTime(); uDat = DateTime.UtcNow; string senderFile = uDat.ToString("yyyyMMddTHHmmssfffZ") + "_" + senderGIIN; string metadataFileName = filePath + "\\" + senderGIIN + "_Metadata.xml"; XmlManager.CreateMetadataFile(metadataFileName, fileExtension, isXML, cmbTaxYear.SelectedItem.ToString(), senderGIIN, senderFile); //Check the signature to make sure it is valid, this requires the KeyInfo to be present //This is controlled using the checkbox on the form //This should be commented out or not selected if not using the KeyInfo in the XmlManager class if (chkSignatureValidation.Checked) { bool result = XmlManager.CheckSignature(envelopingFileName); if (result == false) { MessageBox.Show("Signature is not valid!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } } //Add the metadata, payload, and key files to the final zip package // add enveloping signature to ZIP file ZipManager.CreateArchive(metadataFileName, filePath + "\\" + senderFile + ".zip"); ZipManager.UpdateArchive(encryptedFileName, filePath + "\\" + senderFile + ".zip"); ZipManager.UpdateArchive(payloadFileName, filePath + "\\" + senderFile + ".zip"); //Add the HCTA Key file for a M1O2 packet if (chkM1O2.Checked) { ZipManager.UpdateArchive(encryptedHCTAFileName, filePath + "\\" + senderFile + ".zip"); } if (chkAutoSendSFTP.Checked == true) { SessionOptions currentSFTPSession = SFTPManager.CreateSFTPSession(cmbSFTPServers.SelectedItem.ToString(), username.Text, password.Text); string sftpUpName = filePath + "\\" + senderFile + ".zip"; string transferResult = SFTPManager.UploadFile(currentSFTPSession, sftpUpName); //This can be commented out if there is no desire to see an upload confirmation MessageBox.Show(transferResult, Text, MessageBoxButtons.OK, MessageBoxIcon.Information); //write to log string path = @"simplelog.csv"; // This text is added only once to the file. string lineToLog = fileName + "," + currentFileToProcess + "," + senderFile + ",IDESTRANSID,NOTIFICATIONID,NULL,ERRORCOUNT"; if (!File.Exists(path)) { // Create a file to write to. using (StreamWriter sw = File.CreateText(path)) { sw.WriteLine(lineToLog); } } else { // This text is always added, making the file longer over time // if it is not deleted. using (StreamWriter sw = File.AppendText(path)) { sw.WriteLine(lineToLog); } } } if (chkSendFolder.Checked == true) { //Move the file to a processed folder so we can move on to the next //This is only used when sending an entire folder File.Move(currentFileToProcess, processedFolder + "\\" + Path.GetFileName(fileName)); } } catch (Exception ex) { ex.DisplayException(Text); return; } finally { } } // success MessageBox.Show("XML Signing and Encryption process is complete!", Text, MessageBoxButtons.OK, MessageBoxIcon.Information); } catch (Exception ex) { ex.DisplayException(Text); } }