/// <summary>
/// Decryption start.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonDecrypt_Click(object sender, EventArgs e)
{
buttonDecrypt.Enabled = false;
checkBoxNotMaskPassword.Visible = false;
progressBar1.Location = textBox1.Location;
progressBar1.Width = textBox1.Width;
progressBar1.Visible = true;
labelPercent.Text = "- %";
//-----------------------------------
// Directory to oputput decrypted files
//-----------------------------------
string OutDirPath = Path.GetDirectoryName(Application.ExecutablePath);
//-----------------------------------
// Decryption password
//-----------------------------------
string DecryptionPassword = textBox1.Text;
//-----------------------------------
// Password file
//-----------------------------------
// Drag & Drop Password file
byte[] DecryptionPasswordBinary = null;
if (File.Exists(TempDecryptionPassFilePath) == true)
{
DecryptionPasswordBinary = GetPasswordFileHash3(TempDecryptionPassFilePath);
}
//-----------------------------------
// Preparing for decrypting
//
//-----------------------------------
decryption = new FileDecrypt3(Application.ExecutablePath);
if (decryption.TokenStr == "_AttacheCaseData")
{
// Encryption data ( O.K. )
}
else if (decryption.TokenStr == "_Atc_Broken_Data")
{
//
// エラー
// この暗号化ファイルは壊れています。処理を中止します。
//
// Alert
// This encrypted file is broken. The process is aborted.
//
string DialogTitleAlert = "Alert";
string DialogMessageAtcFileBroken = "This encrypted file is broken. The process is aborted.";
if (CurrentCultureName == "ja")
{
DialogTitleAlert = "エラー";
DialogMessageAtcFileBroken = "この暗号化ファイルは壊れています。処理を中止します。";
}
MessageBox.Show(DialogMessageAtcFileBroken, DialogTitleAlert, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
if (CurrentCultureName == "ja")
{
labelMessage.Text = "復号処理を中止しました。";
}
else
{
labelMessage.Text = "Process of decryption has been aborted.";
}
labelPercent.Text = "- %";
return;
}
else
{
//
// エラー
// 暗号化ファイルではありません。処理を中止します。
//
// Alert
// The file is not encrypted file. The process is aborted.
//
string DialogTitleAlert = "Alert";
string DialogMessageNotAtcFile = "The file is not encrypted file. The process is aborted.";
if (CurrentCultureName == "ja")
{
DialogTitleAlert = "エラー";
DialogMessageNotAtcFile = "暗号化ファイルではありません。処理を中止します。";
}
MessageBox.Show(DialogMessageNotAtcFile, DialogTitleAlert, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
if (CurrentCultureName == "ja")
{
labelMessage.Text = "復号処理を中止しました。";
}
else
{
labelMessage.Text = "Process of decryption has been aborted.";
}
labelPercent.Text = "- %";
return;
}
if (LimitOfInputPassword == -1)
{
LimitOfInputPassword = decryption.MissTypeLimits;
}
#if (DEBUG)
System.Windows.Forms.MessageBox.Show("BackgroundWorker event handler.");
#endif
//======================================================================
// BackgroundWorker event handler
bkg = new BackgroundWorker();
bkg.RunWorkerCompleted += backgroundWorker_RunWorkerCompleted;
bkg.ProgressChanged += backgroundWorker_ProgressChanged;
bkg.WorkerReportsProgress = true;
#if (DEBUG)
System.Windows.Forms.MessageBox.Show("Decryption start.");
#endif
//======================================================================
// Decryption start
// 復号開始
// Refer：http://stackoverflow.com/questions/4807152/sending-arguments-to-background-worker
//======================================================================
bkg.DoWork += (s, d) =>
{
decryption.Decrypt(
s, d,
Application.ExecutablePath, OutDirPath, DecryptionPassword, DecryptionPasswordBinary,
DialogMessageForOverWrite);
};
bkg.RunWorkerAsync();
}
//======================================================================
/// <summary>
/// DecryptionProcess
/// </summary>
//======================================================================
private void DecryptionProcess()
{
//-----------------------------------
// Display progress window
//-----------------------------------
panelStartPage.Visible = false;
panelEncrypt.Visible = false;
panelEncryptConfirm.Visible = false;
panelDecrypt.Visible = false;
panelProgressState.Visible = true;
labelProgress.Text = labelDecryption.Text;
pictureBoxProgress.Image = pictureBoxDecOn.Image;
labelCryptionType.Text = Resources.labelProcessNameDecrypt;
buttonCancel.Text = Resources.ButtonTextCancel;
this.Update();
if (FileIndex > AppSettings.Instance.FileList.Count - 1)
{
labelProgressPercentText.Text = "100%";
progressBar.Style = ProgressBarStyle.Continuous;
progressBar.Value = progressBar.Maximum;
labelCryptionType.Text = "";
labelProgressMessageText.Text = Resources.labelCaptionCompleted; // "Completed"
notifyIcon1.Text = "100% " + Resources.labelCaptionCompleted;
buttonCancel.Text = Resources.ButtonTextOK;
DecryptionEndProcess();
return;
}
//-----------------------------------
// Directory to oputput decrypted files
//-----------------------------------
string OutDirPath = "";
if (AppSettings.Instance.fDecodeToSameFldr == true)
{
OutDirPath = AppSettings.Instance.DecodeToSameFldrPath;
}
if (Directory.Exists(OutDirPath) == false)
{
OutDirPath = Path.GetDirectoryName((string)AppSettings.Instance.FileList[0]);
}
//-----------------------------------
// Decryption password
//-----------------------------------
string DecryptionPassword = "";
if (AppSettings.Instance.fMyDecryptPasswordKeep == true && LimitOfInputPassword == -1)
{
DecryptionPassword = AppSettings.Instance.MyDecryptPasswordString;
}
else
{
DecryptionPassword = textBoxDecryptPassword.Text;
}
//-----------------------------------
// Always minimize when running
//-----------------------------------
if (AppSettings.Instance.fMainWindowMinimize == true)
{
this.WindowState = FormWindowState.Minimized;
}
//-----------------------------------
// Minimizing a window without displaying in the taskbar
//-----------------------------------
if (AppSettings.Instance.fTaskBarHide == true)
{
this.Hide();
}
//-----------------------------------
// Display in the task tray
//-----------------------------------
if (AppSettings.Instance.fTaskTrayIcon == true)
{
notifyIcon1.Visible = true;
}
else
{
notifyIcon1.Visible = false;
}
//-----------------------------------
// Preparing for decrypting
//
//-----------------------------------
string AtcFilePath = AppSettings.Instance.FileList[FileIndex];
progressBar.Style = ProgressBarStyle.Marquee;
progressBar.MarqueeAnimationSpeed = 50;
// 復号するための準備をしています...
// Getting ready for decryption...
labelProgressMessageText.Text = Resources.labelGettingReadyForDecryption;
decryption3 = new FileDecrypt3(AtcFilePath);
if (decryption3.DataFileVersion < 130)
{
decryption2 = new FileDecrypt2(AtcFilePath);
}
if (decryption3.TokenStr == "_AttacheCaseData" || (decryption2 != null && decryption2.TokenStr == "_AttacheCaseData"))
{
// Encryption data ( O.K. )
}
else if (decryption3.TokenStr == "_Atc_Broken_Data" || (decryption2 != null && decryption2.TokenStr == "_Atc_Broken_Data"))
{
// エラー
// この暗号化ファイルは破壊されています。処理を中止します。
//
// Alert
// This encrypted file is broken. The process is aborted.
MessageBox.Show(new Form { TopMost = true }, Resources.DialogMessageAtcFileBroken + Environment.NewLine + AtcFilePath,
Resources.DialogTitleAlert, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
labelProgressPercentText.Text = "- %";
labelProgressMessageText.Text = Resources.labelCaptionAborted;
progressBar.Value = 0;
progressBar.Style = ProgressBarStyle.Continuous;
buttonCancel.Text = Resources.ButtonTextOK;
notifyIcon1.Text = "- % " + Resources.labelCaptionError;
return;
}
else
{
// エラー
// 暗号化ファイルではありません。処理を中止します。
//
// Alert
// The file is not encrypted file. The process is aborted.
MessageBox.Show(new Form { TopMost = true }, Resources.DialogMessageNotAtcFile + Environment.NewLine + AtcFilePath,
Resources.DialogTitleAlert, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
labelProgressPercentText.Text = "- %";
labelProgressMessageText.Text = Resources.labelCaptionAborted;
progressBar.Value = 0;
progressBar.Style = ProgressBarStyle.Continuous;
buttonCancel.Text = Resources.ButtonTextOK;
notifyIcon1.Text = "- % " + Resources.labelCaptionError;
return;
}
//-----------------------------------
// Password file
//-----------------------------------
// ※パスワードファイルは、記憶パスワードよりも優先される。
// * This password files is priority than memorized encryption password.
byte[] DecryptionPasswordBinary = null;
if (AppSettings.Instance.fAllowPassFile == true)
{
// Check specified password file for Decryption
if (AppSettings.Instance.fCheckPassFileDecrypt == true)
{
if (File.Exists(AppSettings.Instance.PassFilePathDecrypt) == true)
{
if (decryption3.DataFileVersion < 130)
{
DecryptionPasswordBinary = GetPasswordFileHash2(AppSettings.Instance.PassFilePathDecrypt);
}
else
{
DecryptionPasswordBinary = GetPasswordFileHash3(AppSettings.Instance.PassFilePathDecrypt);
}
}
else
{
if (AppSettings.Instance.fNoErrMsgOnPassFile == false)
{
// エラー
// 復号時の指定されたパスワードファイルが見つかりません。処理を中止します。
//
// Error
// The specified password file is not found in decryption. The process is aborted.
DialogResult ret = MessageBox.Show(
new Form { TopMost = true },
Resources.DialogMessageDecryptionPasswordFileNotFound + Environment.NewLine + AppSettings.Instance.PassFilePathDecrypt,
Resources.DialogTitleError, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
labelProgressPercentText.Text = "- %";
labelProgressMessageText.Text = Resources.labelCaptionAborted;
progressBar.Value = 0;
progressBar.Style = ProgressBarStyle.Continuous;
buttonCancel.Text = Resources.ButtonTextOK;
notifyIcon1.Text = "- % " + Resources.labelCaptionError;
return;
}
}
}
// Drag & Drop Password file
if (File.Exists(AppSettings.Instance.TempDecryptionPassFilePath) == true)
{
if (decryption3.DataFileVersion < 130)
{
DecryptionPasswordBinary = GetPasswordFileHash2(AppSettings.Instance.TempDecryptionPassFilePath);
DecryptionPassword = "";
}
else
{
DecryptionPasswordBinary = GetPasswordFileHash3(AppSettings.Instance.TempDecryptionPassFilePath);
DecryptionPassword = "";
}
}
// コマンドラインからのパスワードがさらに優先される
// The password from command line option that is still more priority.
if (AppSettings.Instance.DecryptPasswordStringFromCommandLine != null ||
AppSettings.Instance.DecryptPasswordStringFromCommandLine != null)
{
DecryptionPassword = AppSettings.Instance.DecryptPasswordStringFromCommandLine;
DecryptionPasswordBinary = null;
}
}
// BackgroundWorker event handler
bkg = new BackgroundWorker();
bkg.RunWorkerCompleted += backgroundWorker_Decryption_RunWorkerCompleted;
bkg.ProgressChanged += backgroundWorker_ProgressChanged;
bkg.WorkerReportsProgress = true;
bkg.WorkerSupportsCancellation = true;
//-----------------------------------
// Old version
if (decryption3.DataFileVersion < 130)
{
decryption3 = null; // ver.3 is null
decryption2 = new FileDecrypt2(AtcFilePath);
decryption2.fNoParentFolder = AppSettings.Instance.fNoParentFldr;
decryption2.NumberOfFiles = FileIndex + 1;
decryption2.fSameTimeStamp = AppSettings.Instance.fSameTimeStamp;
decryption2.TotalNumberOfFiles = AppSettings.Instance.FileList.Count;
decryption2.TempOverWriteOption = (AppSettings.Instance.fDecryptConfirmOverwrite == false ? OVERWRITE_ALL : 0);
if (LimitOfInputPassword == -1)
{
LimitOfInputPassword = decryption2.MissTypeLimits;
}
toolStripStatusLabelDataVersion.Text = "Data ver.2";
this.Update();
//======================================================================
// Decryption start
// 復号開始
// http://stackoverflow.com/questions/4807152/sending-arguments-to-background-worker
//======================================================================
bkg.DoWork += (s, d) =>
{
decryption2.Decrypt(
s, d,
AtcFilePath, OutDirPath, DecryptionPassword, DecryptionPasswordBinary,
DialogMessageForOverWrite);
};
bkg.RunWorkerAsync();
}
//-----------------------------------
// Current version
else if (decryption3.DataFileVersion < 140)
{
decryption2 = null;
decryption3.fNoParentFolder = AppSettings.Instance.fNoParentFldr;
decryption3.NumberOfFiles = FileIndex + 1;
decryption3.TotalNumberOfFiles = AppSettings.Instance.FileList.Count;
decryption3.fSameTimeStamp = AppSettings.Instance.fSameTimeStamp;
decryption3.TempOverWriteOption = (AppSettings.Instance.fDecryptConfirmOverwrite == false ? OVERWRITE_ALL : 0);
if (LimitOfInputPassword == -1)
{
LimitOfInputPassword = decryption3.MissTypeLimits;
}
toolStripStatusLabelDataVersion.Text = "Data ver.3";
this.Update();
//======================================================================
// Decryption start
// 復号開始
// http://stackoverflow.com/questions/4807152/sending-arguments-to-background-worker
//======================================================================
bkg.DoWork += (s, d) =>
{
decryption3.Decrypt(
s, d,
AtcFilePath, OutDirPath, DecryptionPassword, DecryptionPasswordBinary,
DialogMessageForOverWrite);
};
bkg.RunWorkerAsync();
}
//-----------------------------------
// Higher version
else
{
// 警告
// このファイルはアタッシェケースの上位バージョンで暗号化されています。
// 復号できません。処理を中止します。
//
// Alert
// This file has been encrypted with a higher version.
// It can not be decrypted. The process is aborted.
MessageBox.Show(new Form { TopMost = true }, Resources.DialogMessageHigherVersion + Environment.NewLine + AtcFilePath,
Resources.DialogTitleAlert, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
labelProgressPercentText.Text = "- %";
labelProgressMessageText.Text = Resources.labelCaptionAborted;
progressBar.Value = 0;
progressBar.Style = ProgressBarStyle.Continuous;
buttonCancel.Text = Resources.ButtonTextOK;
notifyIcon1.Text = "- % " + Resources.labelCaptionError;
return;
}
}
