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DE70/.svn/pristine/58/586033252023dee1b2648673d2f1edcba8aa5f2e.svn-base
2024-09-02 10:03:23 +07:00

345 lines
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using CoreScanner;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Automation;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Xml;
namespace SafeBagDE70
{
/// <summary>
/// Interaction logic for WelcomeWindow.xaml
/// </summary>
public partial class WelcomeUC : UserControl
{
public string? PinCode = null;
public bool IsAuthenticated = false;
public CCoreScannerClass? cCoreScannerClass=null;
public WelcomeUC()
{
InitializeComponent();
InitQRCodeScanner();
Loaded += WelcomeUC_Loaded;
}
private void WelcomeUC_Loaded(object sender, RoutedEventArgs e)
{
AppData.IsAuthenticated = false;
txtVersion.Text = "Version " + AppData.CurrentVersion;
}
public void Init()
{
AppData.IsAuthenticated = false;
AppData.CurrentCustomerAccount = null;
lblPincodeError.Content = "";
PinCodeBox.Text = "";
}
private void LoginButton_Click(object sender, RoutedEventArgs e)
{
string pin = PinCodeBox.Text;
if (ValidatePin(pin))
{
PinCode=PinCodeBox.Text.ToString();
if (AppData.customerAccounts != null)
{
CustomerAccount? cca = null;
if (PinCode != null)
{
var strPincode = PinCode.ToUpper();
cca = AppData.customerAccounts.Where(x => x.PINCode == strPincode).FirstOrDefault();
}
if (cca != null)
{
AppData.IsAuthenticated=true;
AppData.CurrentCustomerAccount=cca;
AppData.GetNewTransactionCode();
AppData.GetNewTransactionCode();
((MainWindow)Application.Current.MainWindow).ShowDepositScreen();
//DialogResult = true;
//this.Close();
}
else
{
lblPincodeError.Content = "PINCODE không đúng, vui lòng thử lại";
}
}
}
else
{
MessageBox.Show("Invalid PIN. Please try again.");
}
}
private void ForgotPin_Click(object sender, RoutedEventArgs e)
{
MessageBox.Show("Forgot PIN clicked.");
}
private void Help_Click(object sender, RoutedEventArgs e)
{
MessageBox.Show("Phiên bản đang sử dụng là phiên bản mới nhất");
}
private bool ValidatePin(string pin)
{
return true;
}
private async void PinCodeButton_Click(object sender, RoutedEventArgs e)
{
//var onScreenKeyboardProcess = new ProcessStartInfo("osk.exe")
//{
// UseShellExecute = true
//};
try
{
//var progFiles = @"C:\Program Files\Common Files\Microsoft Shared\ink";
//var keyboardPath = System.IO.Path.Combine(progFiles, "TabTip.exe");
//Process.Start(keyboardPath);
// AutomationElement.FromHandle(-1);
// string keyboardPath = @"C:\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe";
// Process.Start(keyboardPath);
//await Launcher.LaunchUriAsync(new Uri("ms-inputapp://"));
//var onScreenKeyboardProcess = new ProcessStartInfo(@"C:\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe")
//{
// UseShellExecute = true
//};
//Process.Start(onScreenKeyboardProcess);
QrCodePanel.Visibility = Visibility.Collapsed;
PinCodePanel.Visibility = Visibility.Visible;
cCoreScannerClass.BarcodeEvent -= new _ICoreScannerEvents_BarcodeEventEventHandler(OnBarcodeEvent);
}
catch {
}
}
private void btnQRCodeLogin_Click(object sender, RoutedEventArgs e)
{
PinCodePanel.Visibility = Visibility.Collapsed;
QrCodePanel.Visibility=Visibility.Visible;
cCoreScannerClass.BarcodeEvent += new _ICoreScannerEvents_BarcodeEventEventHandler(OnBarcodeEvent);
}
public void InitQRCodeScanner()
{
try
{
// Instantiate CoreScanner Class
cCoreScannerClass = new CCoreScannerClass();
// Call Open API
short[] scannerTypes = new short[1]; // Scanner Types you are interested in
scannerTypes[0] = 1; // 1 for all scanner types
short numberOfScannerTypes = 1; // Size of the scannerTypes array
int status; // Extended API return code
cCoreScannerClass.Open(0, scannerTypes, numberOfScannerTypes, out status);
// Subscribe for barcode events in cCoreScannerClass
// Let's subscribe for events
int opcode = 1001; // Method for Subscribe events
string outXML; // XML Output
string inXML = "<inArgs>" +
"<cmdArgs>" +
"<arg-int>1</arg-int>" + // Number of events you want to subscribe
"<arg-int>1</arg-int>" + // Comma separated event IDs
"</cmdArgs>" +
"</inArgs>";
cCoreScannerClass.ExecCommand(opcode, ref inXML, out outXML, out status);
}
catch (Exception exp)
{
Console.WriteLine("Something wrong please check... " + exp.Message);
}
}
private void OnBarcodeEvent(short eventType, ref string pscanData)
{
string xmlString = pscanData;
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xmlString);
XmlNode rawDataNode = xmlDoc.SelectSingleNode("//datalabel");
string rawDataHex = rawDataNode.InnerText.Trim();
var QRCodeContentFull = HexStringToString(rawDataHex);
string? CustomerID = null;
VerifyQRCode(QRCodeContentFull, out CustomerID);
if(CustomerID!=null)
{
this.Dispatcher.Invoke(() =>
{
if (AppData.customerAccounts != null)
{
CustomerAccount? cca = null;
if (CustomerID != null)
{
cca = AppData.customerAccounts.Where(x => x.QRCode == CustomerID).FirstOrDefault();
}
if (cca != null)
{
cCoreScannerClass.BarcodeEvent -= new _ICoreScannerEvents_BarcodeEventEventHandler(OnBarcodeEvent);
AppData.IsAuthenticated = true;
AppData.CurrentCustomerAccount = cca;
AppData.GetNewTransactionCode();
((MainWindow)Application.Current.MainWindow).ShowDepositScreen();
}
else
{
lblQRcodeError.Content = "QRCODE không đúng, vui lòng thử lại";
}
}
});
}
}
private void VerifyQRCode(string decodedString,out string? ConsumerID)
{
ConsumerID = null;
try
{
var qrCodeData = decodedString;
// Extract the CRC from the QR code string
string extractedCRC = qrCodeData.Substring(qrCodeData.Length - 4);
// Get the data without the CRC part
string dataWithoutCRC = qrCodeData.Substring(0, qrCodeData.Length - 8);
// Calculate CRC
string calculatedCRC = CalculateCRC(dataWithoutCRC);
// Verify CRC
if (extractedCRC.Equals(calculatedCRC, StringComparison.OrdinalIgnoreCase))
{
this.Dispatcher.Invoke(() =>
{
lblQRcodeError.Content = "CRC is valid.";
});
Dictionary<string, (int Length, string Value)> fields = ExtractFields(qrCodeData);
foreach (var field in fields)
{
Console.WriteLine($"ID: {field.Key}, Length: {field.Value.Length}, Value: {field.Value.Value}");
}
var fields2 = ExtractFields(fields["38"].Value);
var fields3 = ExtractFields(fields2["01"].Value);
ConsumerID = fields3["01"].Value;
}
else
{
this.Dispatcher.Invoke(() =>
{
lblQRcodeError.Content = "CRC is invalid.";
});
}
}
catch (Exception e)
{
this.Dispatcher.Invoke(() =>
{
lblQRcodeError.Content = e.Message;
});
}
}
Dictionary<string, (int Length, string Value)> ExtractFields(string qrCodeData)
{
Dictionary<string, (int Length, string Value)> fields = new Dictionary<string, (int Length, string Value)>();
int currentIndex = 0;
while (currentIndex < qrCodeData.Length)
{
// Extract ID
string id = qrCodeData.Substring(currentIndex, 2);
currentIndex += 2;
// Extract Length
int length = int.Parse(qrCodeData.Substring(currentIndex, 2));
currentIndex += 2;
// Extract Value
string value = qrCodeData.Substring(currentIndex, length);
currentIndex += length;
// Add the field to the dictionary
fields[id] = (length, value);
}
return fields;
}
string CalculateCRC(string data)
{
ushort polynomial = 0x1021; // CRC-16-CCITT polynomial
ushort crc = 0xFFFF; // Initial value
// Convert the string to a byte array
byte[] bytes = Encoding.ASCII.GetBytes(data + "6304"); // Append "6304" for CRC calculation as per standard
foreach (byte b in bytes)
{
crc ^= (ushort)(b << 8);
for (int i = 0; i < 8; i++)
{
if ((crc & 0x8000) != 0)
{
crc = (ushort)((crc << 1) ^ polynomial);
}
else
{
crc <<= 1;
}
}
}
// Ensure CRC is a 16-bit value
crc &= 0xFFFF;
// Return CRC as a hexadecimal string
return crc.ToString("X4");
}
static string HexStringToString(string hexString)
{
string[] hexValues = hexString.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
byte[] bytes = new byte[hexValues.Length];
for (int i = 0; i < hexValues.Length; i++)
{
bytes[i] = Convert.ToByte(hexValues[i], 16);
}
return Encoding.ASCII.GetString(bytes);
}
}
}