private void btnCheckNotification_Click(object sender, EventArgs e) { if (string.IsNullOrWhiteSpace(txtDecryptKey.Text)) { // files validation MessageBox.Show("The Receiver's key for decryption must be set!", Text, MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } Char delimiter = ','; Dictionary <string, string> transmissions = new Dictionary <string, string>(); try { // Open the text file using a stream reader. using (StreamReader sr = new StreamReader("simplelog.csv")) { while (sr.Peek() >= 0) { String line = sr.ReadLine(); string[] strLineArray = line.Split(delimiter); //if there is no notification id, we will store the file name if (strLineArray[4] == "NOTIFICATIONID") { transmissions.Add(strLineArray[2], line); } else // otherwise, we store the notification id, and we can ignore this file if it is in the inbox { transmissions.Add(strLineArray[4], line); } Console.WriteLine(line); } } } catch (Exception ex) { ex.DisplayException(Text); return; } //Connect to the Inbox and see if there are any files try { // Setup session options SessionOptions currentSFTPSession = SFTPManager.CreateSFTPSession(cmbSFTPServers.SelectedItem.ToString(), username.Text, password.Text); SFTPManager.DownloadInbox(currentSFTPSession, transmissions, txtDownFolder.Text); } catch (Exception ex) { ex.DisplayException(Text); return; } //loop through the files we have downloaded and process them //these files will be matched to our log file to see if we have any matches string[] filesToProcess; string xmlProcessedFolder = ""; string xmlProcessingFolder = ""; string xmlProcessedUnmatchedFolder = ""; string destinationFolder = ""; // Load all XML files in the folder into the array filesToProcess = Directory.GetFiles(txtDownFolder.Text, "*.zip", SearchOption.TopDirectoryOnly); xmlProcessedFolder = txtDownFolder.Text + "\\Processed"; xmlProcessingFolder = txtDownFolder.Text + "\\Processing"; xmlProcessedUnmatchedFolder = txtDownFolder.Text + "\\Processed\\Unmatched"; //if the processedFolder doesn't exist, create it if (!Directory.Exists(xmlProcessedFolder)) { Directory.CreateDirectory(xmlProcessedFolder); } //if the processedUnmatchedFolder doesn't exist, create it if (!Directory.Exists(xmlProcessedUnmatchedFolder)) { Directory.CreateDirectory(xmlProcessedUnmatchedFolder); } //if the processingFolder doesn't exist, create it if (!Directory.Exists(xmlProcessingFolder)) { Directory.CreateDirectory(xmlProcessingFolder); } //loop through the downloaded files int matchCounter = 0; int unmatchCounter = 0; foreach (string fileName in filesToProcess) { try { //clean out the processing folder, the current file will be unzipped into it DirectoryInfo dir = new DirectoryInfo(xmlProcessingFolder); foreach (FileInfo fi in dir.GetFiles()) { fi.Delete(); } //Deflate the zip archive ZipManager.ExtractArchive(fileName, xmlProcessingFolder, false); } catch (Exception ex) { ex.DisplayException(Text); return; } string decryptedPayload = ""; try { decryptedPayload = AesManager.DecryptNotification(xmlProcessingFolder, txtDecryptKey.Text, txtDecryptPassword.Text, radECB.Checked); } catch (Exception ex) { ex.DisplayException("Decryption Failed:" + Text); return; } //take a look at the decrypted payload and see if this notification matches anything we are looking for string[] notificationID = new string[3]; string notificationFileName = Path.GetFileNameWithoutExtension(fileName); bool isFileMatched = false; //This will return three values //0 Ides Transmission ID //1 Sender FIle Id //2 Return Code notificationID = XmlManager.CheckNotification(decryptedPayload); //Check our log file dictionary and see if we can find a match if (transmissions.ContainsKey(notificationID[1]) == true) { isFileMatched = true; //we will add a new record to reflect the updated information and remove the old record //make sure the filename is in our transmissions and return the current log data for it string currentNotificationData = ""; transmissions.TryGetValue(notificationID[1], out currentNotificationData); //update the current notification Data before we add the new record //we will take fields from the decrypted notification and insert it back in currentNotificationData = currentNotificationData.Replace("NOTIFICATIONID", Path.GetFileName(fileName)); currentNotificationData = currentNotificationData.Replace("IDESTRANSID", notificationID[0]); currentNotificationData = currentNotificationData.Replace("NULL", notificationID[2]); currentNotificationData = currentNotificationData.Replace("ERRORCOUNT", notificationID[3]); //add new record with updated information transmissions.Add(Path.GetFileName(fileName), string.Join(",", currentNotificationData)); //we can remove the old record now transmissions.Remove(notificationID[1]); //we will write the current transmissions back into the log file so we keep it updated with the latest information //write to log string filePath = @"simplelog.csv"; using (FileStream fs = new FileStream(filePath, FileMode.OpenOrCreate)) { using (TextWriter tw = new StreamWriter(fs)) foreach (KeyValuePair <string, string> kvp in transmissions) { tw.WriteLine(string.Format("{0}", kvp.Value)); } } //processing of the file is complete } //the decrypted files will be moved to the Processed folder for safekeeping //if no match is found, it moves to the Unmatched subfolder DirectoryInfo dirProcessing = new DirectoryInfo(xmlProcessingFolder); if (isFileMatched == true) { destinationFolder = xmlProcessedFolder; if (!Directory.Exists(xmlProcessedFolder + "\\" + notificationFileName)) { Directory.CreateDirectory(xmlProcessedFolder + "\\" + notificationFileName); } matchCounter = matchCounter + 1; } else { destinationFolder = xmlProcessedUnmatchedFolder; //if this non-matching file has already been pulled, remove the old and replace with the new if (Directory.Exists(xmlProcessedUnmatchedFolder + "\\" + notificationFileName)) { //clean out the folder, it will get the current decrypted contents DirectoryInfo dir = new DirectoryInfo(xmlProcessedUnmatchedFolder + "\\" + notificationFileName); foreach (FileInfo fi in dir.GetFiles()) { fi.Delete(); } } else { Directory.CreateDirectory(xmlProcessedUnmatchedFolder + "\\" + notificationFileName); } unmatchCounter = unmatchCounter + 1; } //move from the processing folder foreach (FileInfo fi in dirProcessing.GetFiles()) { File.Move(fi.FullName, Path.Combine(destinationFolder, notificationFileName, fi.Name)); } //Rename the file so we can process it File.Move(fileName, Path.Combine(destinationFolder, notificationFileName, Path.GetFileName(fileName))); } MessageBox.Show(matchCounter + " matching files found\n" + unmatchCounter + " non-matching files found"); }
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); } }