private static char[] GetCharArray(CombinationPart part)
{
switch (part)
{
case CombinationPart.Numbers: return(NUMBERS);
case CombinationPart.Letters: return(LETTERS);
case CombinationPart.SpecialChars: return(SPECIAL);
default: return(new char[] { });
}
}
// Generate Random Password
public static string Generate(CombinationPart[] passwordParts, int length, bool randomSize)
{
string passwd = string.Empty;
Random rand = new Random();
while (passwd.Length < length)
{
CombinationPart randomPart = passwordParts[rand.Next(passwordParts.Length)];
if (randomPart == CombinationPart.Letters || randomPart == CombinationPart.Numbers || randomPart == CombinationPart.SpecialChars)
{
char[] charsArray = GetCharArray(randomPart);
passwd += charsArray[rand.Next(charsArray.Length)];
}
}
// Adding random word to password
if (passwordParts.Contains(CombinationPart.Words))
{
string word = GetRandomWord();
string t_passwd = string.Empty;
// cut word
if (word.Length > passwd.Length / 3)
{
word = word.Substring(0, passwd.Length / 3);
}
int offset = rand.Next(passwd.Length - word.Length);
//temp word
string temp_word = string.Empty;
for (int i = 0; i < offset; i++)
{
temp_word += " ";
}
temp_word += word;
int extreaoffset = passwd.Length - (word.Length + offset);
for (int i = 0; i < extreaoffset; i++)
{
temp_word += " ";
}
word = temp_word;
for (int i = 0; i < passwd.Length; i++)
{
if (word[i] != ' ')
{
t_passwd += word[i];
}
else
{
t_passwd += passwd[i];
}
}
passwd = t_passwd;
}
if (randomSize)
{
string t_passwd = string.Empty;
for (int i = 0; i < passwd.Length; i++)
{
if (rand.Next(10) > 5)
{
t_passwd += passwd[i].ToString().ToUpper();
}
else
{
t_passwd += passwd[i].ToString().ToLower();
}
}
passwd = t_passwd;
}
return(passwd);
}