/// <summary>
/// Verifica se uma imagem foi gerada pelo sistema
/// A verificação é salva no arquivo de Log
/// </summary>
/// <param name="args"></param>
private void ImageIsUdyat(string[] args)
{
if (Path.GetExtension(args[2]).ToUpper() != ".PNG")
{
Log.AddLog("-VI" + args[2], "Imagem não verificada. Somente arquivos PNG.");
Util.ShowConsoleMessage("Somente imagens PNG podem ser verificadas.", showConsoleMessages);
Environment.Exit(0);
}
if ((args.Length >= 3) && (args[2].Length > 0) && (File.Exists(args[2])))
{
string auxFileName = args[2];
Bitmap teste = new Bitmap(auxFileName);
string msg = SteganographyHelper.extractText(teste);
if (msg.Length > UDYATSIGN.Length)
{
string UdyatSign = MsgValue(msg, out msg);
if (UdyatSign == UDYATSIGN)
{
string customerIdent = MsgValue(msg, out msg);
string customerMacNum = MsgValue(msg, out msg);
string customerHash = MsgValue(msg, out msg);
string machineUID = MsgValue(msg, out msg);
string embedfileName = msg.Substring(0, msg.Length);
string strUserName = MsgValue(msg, out msg);
string macAddress = MsgValue(msg, out msg);
string macIP = MsgValue(msg, out msg);
string imgSeqMonitor = msg.Substring(22, msg.Length - 22).Substring(0, msg.Substring(22, msg.Length - 22).IndexOf("."));
string prtDateTime = msg.Substring(0, 21);
DateTime outputDateTimeValue;
string strDateTime;
if (DateTime.TryParseExact(prtDateTime, "yyyyMMdd_HH_mm_ss_fff", System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out outputDateTimeValue))
{
strDateTime = outputDateTimeValue.ToString("dd/MM/yyyy HH:mm:ss FFF");
}
string customerWord = sysConfig.Data.CustomerWord;
string wordClienth = FnvHash.GetHash(customerWord, 120).ToHexString();
bool testSecurity = ((wordClienth == customerHash) && (embedfileName == auxFileName));
Log.AddLog("-VI " + args[2], "Imagem válida");
return;
}
}
Log.AddLog("-VI" + args[2], "Imagem inválida");
return;
}
Log.AddLog("-VI", "Parâmetros inválidos");
}
private void button2_Click(object sender, EventArgs e)
{
textBox2.Text = StringCipher.Decrypt(SteganographyHelper.extractText(new Bitmap(pictureBox2.Image)), ConfigurationManager.AppSettings["secret"]);
}
private void button4_Click(object sender, EventArgs e)
{
// image_ini = (Bitmap)pictureBox1.Image;
string finalText = null;
string text;
// List<String> temp_list = new List<String>(files.Count());
string[] temp_list = new string[files.Count()];
try
{
for (int x = 0; x < files.Count(); x++)
{
text = SteganographyHelper.extractText(this.files.ElementAt(x));
string temp = text.Substring(text.IndexOf(" ") + 1);
temp_list[Int32.Parse(text.Substring(0, 1))] = temp;
}
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
}
foreach (String text_temp in temp_list)
{
finalText = string.Concat(finalText, text_temp);
}
MessageBox.Show("DONE!");
button3.Enabled = true;
this.files.Clear();
imageList1.Images.Clear();
System.IO.File.WriteAllText(@"C:\Users\Blotz\Desktop\WriteLines.txt", finalText);
this.containerBytes = GetBytes(finalText);
//try
//{
// // extractedText = Crypto.DecryptStringAES(extractedText, passwordTextBox.Text);
//}
//catch
//{
// MessageBox.Show("Wrong password", "Error");
// return;
//}
//dataTextBox.Text = extractedText;
}
private void openFileBtn_Click(object sender, EventArgs e)
{
filePath.Clear();
textBox.Clear();
OpenFileDialog open_dialog = new OpenFileDialog();
open_dialog.Filter = "Text Documents;Word Docx;PPTX;XLSX;Png;MP4;All |*.txt;*.docx;*pptx;*xlsx;*.png;*mp4;*.*";
if (open_dialog.ShowDialog() == DialogResult.OK)
{
filePath.Text = open_dialog.FileName;
var extension = Path.GetExtension(open_dialog.FileName);
switch (extension.ToLower())
{
case ".docx":
readMeta(open_dialog.FileName);
break;
case ".xlsx":
readMeta(open_dialog.FileName);
break;
case ".pptx":
readMeta(open_dialog.FileName);
break;
case ".png":
string password = "******";
bmp = (Bitmap)Image.FromFile(open_dialog.FileName);;
string extractedText = SteganographyHelper.extractText(bmp);
extractedText = Crypto.DecryptStringAES(extractedText, password);
textBox.Text = extractedText;
break;
case ".txt":
System.Diagnostics.Process pProcess = new System.Diagnostics.Process();
pProcess.StartInfo.UseShellExecute = false;
pProcess.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
//strCommand is path and file name of command to run
pProcess.StartInfo.FileName = "cmd.exe";
//strCommandParameters are parameters to pass to program
pProcess.StartInfo.Arguments = "/C more < " + open_dialog.FileName + ":DS1";
pProcess.StartInfo.UseShellExecute = false;
//Set output of program to be written to process output stream
pProcess.StartInfo.RedirectStandardOutput = true;
//Optional
//pProcess.StartInfo.WorkingDirectory = strWorkingDirectory;
//Start the process
pProcess.Start();
//Get program output
string strOutput = pProcess.StandardOutput.ReadToEnd();
textBox.Text = strOutput;
//Wait for process to finish
pProcess.WaitForExit();
break;
case ".mp4":
TagLib.File videoFile = TagLib.File.Create(open_dialog.FileName);
TagLib.Mpeg4.AppleTag customTag = (TagLib.Mpeg4.AppleTag)videoFile.GetTag(TagLib.TagTypes.Apple);
string tokenValue = customTag.GetDashBox("User", "Downloaded");
textBox.Text = tokenValue;
break;
}
}
}
