public AddDlg(EncryptedStorage es, bool edit = false, KeyEntry entry = null)
{
InitializeComponent();
mStorage = es;
mEditMode = edit;
mKeyEntry = entry;
}
private void btOK_Click(object sender, EventArgs e)
{
if (tbPassword.Text != tbRepeat.Text)
{
MessageBox.Show("Passwords don't match!",
"Check passwords", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (mEditMode && tbPassword.Text == mKeyEntry.Password &&
tbComment.Text == mKeyEntry.Comment)
{
DialogResult = System.Windows.Forms.DialogResult.Cancel;
return; // nothing to save
}
KeyEntry newEntry;
if (mEditMode)
{
newEntry = (KeyEntry)mKeyEntry.Clone();
if (tbPassword.Text.Length > 0)
newEntry.Password = tbPassword.Text;
newEntry.Comment = tbComment.Text;
}
else
{
if (tbDomain.Text.Length == 0 || tbUser.Text.Length == 0 || tbPassword.Text.Length == 0)
{
MessageBox.Show("Please fill at least Domain, User and Password fields!",
"Missing data", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
newEntry = new KeyEntry(tbDomain.Text, tbUser.Text, tbPassword.Text, tbComment.Text);
}
try
{
PasswordDlg pdlg = new PasswordDlg(true);
if (pdlg.ShowDialog() != System.Windows.Forms.DialogResult.OK)
return;
bool ok = true;
if (mEditMode)
ok = mStorage.ReplaceEntry(mKeyEntry, newEntry, pdlg.Password);
else
ok = mStorage.AddEntry(newEntry, pdlg.Password);
if (!ok)
MessageBox.Show("Operation failed!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception ex)
{
string msg = ex.Message;
if (ex.InnerException != null)
msg += "\r\n" + ex.InnerException.Message;
MessageBox.Show(msg, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
DialogResult = DialogResult.OK;
}
public bool AddEntry(KeyEntry entry, string password)
{
string line = entry.ToLine();
string[] lines = GetKeys(password);
if (lines == null)
lines = new string[0];
string[] linesNew = new string[lines.Length + 1];
Array.Copy(lines, linesNew, lines.Length);
linesNew[linesNew.Length - 1] = line;
SaveKeys(linesNew, password);
return true;
}
public bool RemoveEntry(KeyEntry entry, string password)
{
string line = entry.ToLine();
string[] lines = GetKeys(password);
if (lines == null) return false;
var q = from l in lines
where l != line
select l;
if (q.Count() != lines.Length - 1)
return false;
SaveKeys(q.ToArray(), password);
return true;
}
public bool ReplaceEntry(KeyEntry oldEntry, KeyEntry newEntry, string password)
{
if (newEntry.Domain != oldEntry.Domain ||
newEntry.User != oldEntry.User)
throw new Exception("Entry has been modified in a way it shouldn't!");
string oldLine = oldEntry.ToLine();
string newLine = newEntry.ToLine();
string[] lines = GetKeys(password);
if (lines == null)
return false;
bool replaced = false;
for (int i = 0; i < lines.Length; ++i)
if (lines[i] == oldLine)
{
lines[i] = newLine;
replaced = true;
}
if (replaced)
SaveKeys(lines, password);
return replaced;
}