private void encryptFileToolStripMenuItem_Click(object sender, EventArgs e)
{
FileInfo fi = new FileInfo(this.openFileDialog1.FileName);
if(!fi.Exists)
{
MessageBox.Show("File Not Found");
return;
}
if(fi.Attributes.ToString().Contains(FileAttributes.Encrypted.ToString()))
{
MessageBox.Show("File is already encrypted");
return;
}
if(MessageBox.Show("Are you sure you want to encrypt this file?\n\nOnly this user will be able to decrypt","File Peeker",MessageBoxButtons.YesNoCancel) == DialogResult.Yes)
{
fi.IsReadOnly = false;
try
{
fi.Encrypt();
fi.Refresh();
getFileInfo(fi);
}catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
private bool HandleFile(FileInfo file)
{
UpdateStatistics();
// Ignore EFS temporary files, etc.
if (Regex.IsMatch(file.Name, @"efs\d{1,}.tmp", RegexOptions.IgnoreCase) ||
file.Name.ToLower() == "thumbs.db" ||
file.Name.ToLower() == "desktop.ini" ||
file.Attributes.HasFlag(FileAttributes.System))
{
_ignored++;
return false;
}
// Skip files that are already encrypted
if (file.Attributes.HasFlag(FileAttributes.Encrypted))
{
_skipped++;
return true;
}
_file = file.FullName;
try
{
// Here we're seeing if the file is set ReadOnly and resetting that status
// after we encrypt it (since ReadOnly files are not encryptable)
var readOnly = file.Attributes.HasFlag(FileAttributes.ReadOnly);
if (readOnly)
{
file.Attributes = file.Attributes.Remove(FileAttributes.ReadOnly);
}
if (!DRY_RUN)
{
file.Encrypt();
}
if (readOnly)
{
file.Attributes = file.Attributes.Add(FileAttributes.ReadOnly);
}
}
catch (IOException e)
{
LogEncryptionException(file, e);
return false;
}
catch (UnauthorizedAccessException e)
{
LogEncryptionException(file, e);
return false;
}
catch (ArgumentException e)
{
LogEncryptionException(file, e);
return false;
}
_encrypted++;
return true;
}
private void decryptFileToolStripMenuItem_Click(object sender, EventArgs e)
{
FileInfo fi = new FileInfo(this.openFileDialog1.FileName);
if(!fi.Exists)
{
MessageBox.Show("File Not Found");
return;
}
if(!fi.Attributes.ToString().Contains(FileAttributes.Encrypted.ToString()))
{
MessageBox.Show("File is not encrypted");
return;
}
fi.IsReadOnly = false;
try
{
fi.Encrypt();
fi.Refresh();
getFileInfo(fi);
}catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
