steamguard-cli/Utils.cs

60 lines
1.3 KiB
C#

using System;
namespace SteamGuard
{
public static class Utils
{
public static string ReadLineSecure()
{
string text = "";
ConsoleKeyInfo key;
int cursorIndex = 0;
do
{
key = Console.ReadKey(true);
if (((int)key.Key) >= 65 && ((int)key.Key <= 90))
{
if (cursorIndex == 0 || cursorIndex == text.Length - 1)
{
text += key.KeyChar.ToString();
}
else
{
text.Insert(cursorIndex, key.KeyChar.ToString());
}
cursorIndex++;
}
else if (key.Key == ConsoleKey.Backspace && cursorIndex > 0)
{
text.Remove(cursorIndex - 1, 1);
cursorIndex--;
}
else if (key.Key == ConsoleKey.RightArrow)
{
cursorIndex++;
}
else if (key.Key == ConsoleKey.LeftArrow)
{
cursorIndex--;
}
if (cursorIndex < 0)
{
cursorIndex = 0;
}
else if (text.Length == 0 && cursorIndex > text.Length)
{
cursorIndex = 0;
}
else if (text.Length != 0 && cursorIndex >= text.Length)
{
cursorIndex = text.Length - 1;
}
// For debugging:
// Console.Title = string.Format("{0}/{1} - {2} ({3}) - {4}", cursorIndex, text.Length, key.Key.ToString(), (int)key.Key, text);
} while (key.Key != ConsoleKey.Enter);
return text;
}
}
}