/// <summary>
/// Decompresses a file using GZip decompression.
/// </summary>
/// <param name="inFile">Filepath of the file to be decompressed.</param>
public static void Decompress(string inFile)
{
//Makes new FileInfo for the target file
FileInfo fileToDecompress = new FileInfo(inFile);
// Creates a FileStream containing the data from fileToDecompress
using (FileStream originalFileStream = fileToDecompress.OpenRead()) {
string currentFileName = fileToDecompress.FullName;
string newFileName = currentFileName.Remove(currentFileName.Length - fileToDecompress.Extension.Length);
// Creates the decompressed file stream
using (FileStream decompressedFileStream = File.Create(newFileName)) {
// Creates the compression stream
using (GZipStream decompressionStream = new GZipStream(originalFileStream, CompressionMode.Decompress)) {
// Decompresses file
decompressionStream.CopyTo(decompressedFileStream);
}
}
// Updates FileOP to the decompressed file
FileOP.LoadFile(FileOP.GetFile().Remove(FileOP.GetFile().Length - fileToDecompress.Extension.Length));
}
// Delete compressed file
File.Delete(inFile);
}
/// <summary>
/// Compresses a file using GZip compression.
/// </summary>
/// <param name="inFile">Filepath of the file to be compressed.</param>
public static void Compress(string inFile)
{
//Makes new FileInfo for the target file
FileInfo fileToCompress = new FileInfo(inFile);
// Creates a File Stream containing the data in the fileToCompress
using (FileStream originalFileStream = fileToCompress.OpenRead()) {
// Check that the file is not hidden or already a .gz file
if ((File.GetAttributes(fileToCompress.FullName) & FileAttributes.Hidden) != FileAttributes.Hidden & fileToCompress.Extension != ".gz")
{
// Creates a File Stream for the compressed file
using (FileStream compressedFileStream = File.Create(fileToCompress.FullName + ".gz")) {
// Creates the compression stream
using (GZipStream compressionStream = new GZipStream(compressedFileStream, CompressionMode.Compress)) {
// Compresses file
originalFileStream.CopyTo(compressionStream);
}
}
}
}
// Delete uncompressed file
File.Delete(inFile);
// Updates the file
FileOP.LoadFile(FileOP.GetFile() + ".gz");
}
private void StegExport_Click(object sender, EventArgs e)
{
if (FileOP.GetFile() != "")
{
StegExport frm = new StegExport();
frm.ShowDialog();
}
}
/// <summary>
/// Calls the save function when the user clicks the save file button.
/// </summary>
private void SaveButton_Click(object sender, EventArgs e)
{
if (FileOP.GetFile() != "")
{
DataTable dataTable = FileOP.DataGridViewToDataTable(dataGridView1);
UnlockFile();
FileOP.WriteToFile(dataTable);
LockFile();
}
}
private void button1_Click(object sender, EventArgs e)
{
FileOP.SelectKeyFile();
Crypto.EncryptFile(FileOP.GetFile(), FileOP.KeyFileToBits(FileOP.GetKeyFile()));
FileOP.ClearKeyFile();
MasterForm frm = new MasterForm();
frm.Show();
frm.PerformRefresh();
this.Close();
}
private void PasswordOptions_FormClosing(object sender, FormClosingEventArgs e)
{
if (!success)
{
File.Delete(FileOP.GetFile());
FileOP.ClearFile();
FileOP.ClearKeyFile();
}
else
{
success = false;
}
}
/// <summary>
/// Unlocks the current file
/// </summary>
private void UnlockFile()
{
if (FileOP.GetKeyFile().Length > 0)
{
Crypto.DecryptFile(FileOP.GetFile(), FileOP.KeyFileToBits(FileOP.GetKeyFile()));
CryptoProgBar.Value = 16;
}
Crypto.DecryptFile(FileOP.GetFile(), Crypto.mPassTemp);
CryptoProgBar.Value = 33;
Compressor.Decompress(FileOP.GetFile());
CryptoProgBar.Value = 50;
}
/// <summary>
/// Function for when the form closes. Asks the consumer if they would like to save the file they currently have open
/// </summary>
private void MasterForm_FormClosing(Object sender, FormClosingEventArgs e)
{
if (FileOP.GetFile() != "")
{
if (MessageBox.Show("Would you like to save the current working file?", "Close Program", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
DataTable dataTable = FileOP.DataGridViewToDataTable(dataGridView1);
UnlockFile();
FileOP.WriteToFile(dataTable);
LockFile();
}
ClearMem();
}
}
/// <summary>
/// Lock and encrypt the currently open file.
/// </summary>
private void LockButton_Click(object sender, EventArgs e)
{
if (FileOP.GetFile() != "")
{
DialogResult savePrompt = MessageBox.Show("Would you like to save the current working file?", "Lock Current File", MessageBoxButtons.YesNo);
if (savePrompt == DialogResult.Yes)
{
DataTable dataTable = FileOP.DataGridViewToDataTable(dataGridView1);
UnlockFile();
FileOP.WriteToFile(dataTable);
LockFile();
}
ClearMem();
}
}
/// <summary>
/// Sets the datagridviews datasource to be the datatable constructed by the readfile method.
/// </summary>
public void PerformRefresh(bool opened)
{
if (FileOP.GetFile() != "")
{
if (!opened)
{
UnlockFile();
}
dataGridView1.DataSource = FileOP.ReadFile();
LockFile();
}
else
{
dataGridView1.DataSource = null;
}
}
/// <summary>
/// Locks the file when called
/// </summary>
private void LockFile()
{
//Compresses File
Compressor.Compress(FileOP.GetFile());
CryptoProgBar.Value = 66;
//Encrypt the file with stored password
Crypto.EncryptFile(FileOP.GetFile(), Crypto.mPassTemp);
CryptoProgBar.Value = 83;
//If a Keyfile was used to open the file, use it to encrypt the file when locking
if (FileOP.GetKeyFile().Length > 0)
{
//Encrypt the file with the KeyFile
Crypto.EncryptFile(FileOP.GetFile(), FileOP.KeyFileToBits(FileOP.GetKeyFile()));
CryptoProgBar.Value = 100;
}
CryptoProgBar.Value = 0;
}
private void OkButton_Click(object sender, EventArgs e)
{
if ((PassEntry1.Text == PassEntry2.Text) && String.IsNullOrEmpty(PassEntry1.Text) == false && String.IsNullOrEmpty(PassEntry2.Text) == false)
{
if (KeyFileCheckBox.Checked)
{
if (FileOP.GetKeyFile() != "" && FileOP.GetKeyFile() != null && File.Exists(FileOP.GetKeyFile()))
{
Compressor.Compress(FileOP.GetFile());
Crypto.EncryptFile(FileOP.GetFile(), PassEntry1.Text);
Crypto.EncryptFile(FileOP.GetFile(), FileOP.KeyFileToBits(FileOP.GetKeyFile()));
KeyFileLocationText.Text = FileOP.GetKeyFile();
FileOP.ClearKeyFile();
MasterPasswordPrintPopUp printPopUp = new MasterPasswordPrintPopUp(PassEntry1.Text);
printPopUp.ShowDialog();
FileOP.ClearFile();
this.Close();
}
else
{
MessageBox.Show("Your key file is invalid. Please reselect your keyfile.", "File Error", MessageBoxButtons.OK);
}
}
else
{
Compressor.Compress(FileOP.GetFile());
Crypto.EncryptFile(FileOP.GetFile(), PassEntry1.Text);
MasterPasswordPrintPopUp printPopUp = new MasterPasswordPrintPopUp(PassEntry1.Text);
printPopUp.ShowDialog();
FileOP.ClearFile();
this.Close();
}
}
else
{
string message = "Your passwords do not match or the boxes are blank. Please try entering them again";
string title = "Pass Keeper";
MessageBoxButtons buttons = MessageBoxButtons.OK;
_ = MessageBox.Show(message, title, buttons);
}
}
private void Confirm_Click(object sender, EventArgs e)
{
if (KeyfileLocation.TextLength > 0)
{
if (!Crypto.DecryptFile(FileOP.GetFile(), FileOP.KeyFileToBits(KeyfileLocation.Text)))
{
MessageBox.Show("Inncorrect Credentials. Please Try Again.", "Access Denied", MessageBoxButtons.OK);
KeyfileLocation.ResetText();
}
else if (!Crypto.DecryptFile(FileOP.GetFile(), passwordEntry.Text))
{
Crypto.EncryptFile(FileOP.GetFile(), FileOP.KeyFileToBits(KeyfileLocation.Text));
MessageBox.Show("Inncorrect Credentials. Please Try Again.", "Access Denied", MessageBoxButtons.OK);
KeyfileLocation.ResetText();
}
else
{
FileOP.LoadKeyFile(KeyfileLocation.Text);
Crypto.mPassTemp = passwordEntry.Text;
Compressor.Decompress(FileOP.GetFile());
TheParent.PerformRefresh(true);
success = true;
this.Close();
}
}
else if (!Crypto.DecryptFile(FileOP.GetFile(), passwordEntry.Text))
{
MessageBox.Show("Inncorrect Credentials. Please Try Again.", "Access Denied", MessageBoxButtons.OK);
KeyfileLocation.ResetText();
}
else
{
Crypto.mPassTemp = passwordEntry.Text;
Compressor.Decompress(FileOP.GetFile());
TheParent.PerformRefresh(true);
success = true;
this.Close();
}
}
/// <summary>
/// Logs the filepath to the console. Use for testing purposes.
/// </summary>
public static void PrintFileName()
{
Console.WriteLine(FileOP.GetFile());
}
/// <summary>
/// Calls the select file method and shows the next form when the open button is clicked from the file dropdown menu.
/// </summary>
private void OpenFileDropDown_Click(object sender, EventArgs e)
{
// if there is currently a file open
if (FileOP.GetFile() != "")
{
//open a dialog asking if the consumer would like to save
DialogResult savePrompt = MessageBox.Show("Would you like to save the current working file?", "Lock Current File", MessageBoxButtons.YesNo);
// save the file contents
if (savePrompt == DialogResult.Yes)
{
DataTable dataTable = FileOP.DataGridViewToDataTable(dataGridView1);
UnlockFile();
FileOP.WriteToFile(dataTable);
LockFile();
}
// clear any references to file paths in the memory
ClearMem();
}
// if the dialog from fileOP returns true
if (FileOP.SelectFile())
{
// inflate the next form
EnterPasswordForFile frm = new EnterPasswordForFile {
TheParent = this
};
// Adding all the enterPasswordForFile components to the list of components in the master from.
// This is done to apply the same theme and text size to all of the forms
textBoxes.AddRange(frm.enterPasswordForFileTextBoxes);
labels.AddRange(frm.enterPasswordForFileLabels);
this.buttons.AddRange(frm.enterPasswordForFileButtons);
forms.Add(frm);
// Changing theme of enterPasswordForFile
if (darkThemeEnabled)
{
ChangeTheme(System.Drawing.Color.White, System.Drawing.Color.DarkGray, System.Drawing.Color.DarkSlateGray);
frm.enterPasswordForFileDarkThemeEnabled = true;
}
else
{
ChangeTheme(System.Drawing.SystemColors.ControlText, System.Drawing.SystemColors.Window, System.Drawing.SystemColors.Control);
frm.enterPasswordForFileDarkThemeEnabled = false;
}
// Changing text size of enterPasswordForFile
if (defaultTextSizeEnabled)
{
ChangeFontSize(8.0f);
frm.enterPasswordForFileDefaultTextSizeEnabled = true;
frm.enterPasswordForFileSmallTextSizeEnabled = false;
frm.enterPasswordForFileLargeTextSizeEnabled = false;
}
else if (smallTextSizeEnabled)
{
ChangeFontSize(6.0f);
frm.enterPasswordForFileDefaultTextSizeEnabled = false;
frm.enterPasswordForFileSmallTextSizeEnabled = true;
frm.enterPasswordForFileLargeTextSizeEnabled = false;
}
else if (largeTextSizeEnabled)
{
ChangeFontSize(10.0f);
frm.enterPasswordForFileDefaultTextSizeEnabled = false;
frm.enterPasswordForFileSmallTextSizeEnabled = false;
frm.enterPasswordForFileLargeTextSizeEnabled = true;
}
frm.ShowDialog();
}
}
/// <summary>
/// Displays a warning to the user that they are about to create a new file.
/// </summary>
private void DisplayNewFileWarning()
{
string message = "Are you sure you wish to create a new password File?";
string title = "Pass Keeper";
MessageBoxButtons buttons = MessageBoxButtons.YesNo;
//creates a dialog box with the message, title and button options
DialogResult confirm = MessageBox.Show(message, title, buttons);
//if they want to make a new file
if (confirm == DialogResult.Yes)
{
if (FileOP.GetFile() != "")
{
DialogResult savePrompt = MessageBox.Show("Would you like to save the current working file?", "Lock Current File", MessageBoxButtons.YesNo);
if (savePrompt == DialogResult.Yes)
{
DataTable dataTable = FileOP.DataGridViewToDataTable(dataGridView1);
FileOP.WriteToFile(dataTable);
}
ClearMem();
}
//call the create file method and inflate the next form
if (FileOP.CreateFile())
{
PasswordOptions passwordOptionsForm;
// Creates a passwordOptions form with the correct theme
if (darkThemeEnabled)
{
passwordOptionsForm = new PasswordOptions(Color.White, Color.DarkGray, Color.DarkSlateGray, darkThemeEnabled)
{
TheParent = this
};
}
else
{
passwordOptionsForm = new PasswordOptions(SystemColors.ControlText, SystemColors.Window, SystemColors.Control, darkThemeEnabled)
{
TheParent = this
};
}
// Adding all the password options components to the list of components in the master from.
// This is done to apply the same theme and text size to all of the forms
textBoxes.AddRange(passwordOptionsForm.passwordOptionsTextBoxes);
labels.AddRange(passwordOptionsForm.passwordOptionsLabels);
this.buttons.AddRange(passwordOptionsForm.passwordOptionsButtons);
forms.Add(passwordOptionsForm);
// Changing text size of passwordOptions
if (defaultTextSizeEnabled)
{
ChangeFontSize(8.0f);
passwordOptionsForm.passwordOptionsDefaultTextSizeEnabled = true;
passwordOptionsForm.passwordOptionsSmallTextSizeEnabled = false;
passwordOptionsForm.passwordOptionsLargeTextSizeEnabled = false;
}
else if (smallTextSizeEnabled)
{
ChangeFontSize(6.0f);
passwordOptionsForm.passwordOptionsDefaultTextSizeEnabled = false;
passwordOptionsForm.passwordOptionsSmallTextSizeEnabled = true;
passwordOptionsForm.passwordOptionsLargeTextSizeEnabled = false;
}
else if (largeTextSizeEnabled)
{
ChangeFontSize(10.0f);
passwordOptionsForm.passwordOptionsDefaultTextSizeEnabled = false;
passwordOptionsForm.passwordOptionsSmallTextSizeEnabled = false;
passwordOptionsForm.passwordOptionsLargeTextSizeEnabled = true;
}
passwordOptionsForm.ShowDialog();
passwordOptionsForm.Activate();
}
;
}
}