private void ApplyNagativeMultipliers(ref int score, RepeatedCharacters repeatedCharacters)
{
// negative multipliers
const int consecutiveUpperCaseMultiplier = 2, consecutiveLowerCaseMultiplier = 2, consecutiveNumberMultiplier = 2;
const int sequentialLetterMultiplier = 3, sequentialNumberMultiplier = 3, sequentialSymbolMultiplier = 2;
/* Point deductions for poor practices */
if ((lowerCase.Count > 0 || upperCase.Count > 0) && new int[] { symbol.Count, number.Count, unicode.Count }.AllZero())
{
// Only Letters
score -= password.Length;
}
if (new int[] { symbol.Count, lowerCase.Count, unicode.Count, upperCase.Count }.AllZero() && number.Count > 0)
{
// Only Numbers
score -= password.Length;
}
score -= repeatedCharacters.Deduction;
score -= upperCase.ConsecutiveCount * consecutiveUpperCaseMultiplier;
score -= lowerCase.ConsecutiveCount * consecutiveLowerCaseMultiplier;
score -= number.ConsecutiveCount * consecutiveNumberMultiplier;
score -= sequentialLetters.SequentialCount * sequentialLetterMultiplier;
score -= sequentialNumbers.SequentialCount * sequentialNumberMultiplier;
score -= sequentialSymbols.SequentialCount * sequentialSymbolMultiplier;
score -= SequentialCharacter.SequentialCharacterCount;
}
public StringPatternAnalyzerResult Run()
{
SpecialCharacter.ResetMiddleSpecialCharacterCount();
SequentialCharacter.ResetSequentialCharacterCount();
RepeatedCharacters repeatedCharacters = new RepeatedCharacters
{
Count = 0,
Deduction = 0
};
for (int index = 0; index < password.Length; index++)
{
CheckCharacter(index);
CheckRepeatedCharacters(index, ref repeatedCharacters);
}
sequentialLetters = CheckSequentialLetters();
sequentialNumbers = CheckSequentialNumbers();
sequentialSymbols = CheckSequentialSymbols();
int score = 0;
ApplyPositiveMultipliers(ref score);
ApplyNagativeMultipliers(ref score, repeatedCharacters);
return(StringPatternAnalyzerResult.FromScore(score));
}
private void CheckRepeatedCharacters(int index, ref RepeatedCharacters repeatedCharacters)
{
/* Internal loop through password to check for repeat characters */
bool repeatedCharactersExist = false;
for (int i = 0; i < password.Length; i++)
{
if (password[index] == password[i] && index != i)
{ /* repeat character exists */
repeatedCharactersExist = true;
/*
* Calculate increment deduction based on proximity to identical characters
* Deduction is incremented each time a new match is discovered
* Deduction amount is based on total password length divided by the
* difference of distance between currently selected match
*/
repeatedCharacters.Deduction += Math.Abs(password.Length / (i - index));
}
}
if (repeatedCharactersExist)
{
repeatedCharacters.Count++;
int uniqueCharacterCount = password.Length - repeatedCharacters.Count;
repeatedCharacters.Deduction = (uniqueCharacterCount != 0) ? Convert.ToInt32(Math.Ceiling((double)repeatedCharacters.Deduction / uniqueCharacterCount)) : repeatedCharacters.Deduction;
}
}
internal StringPatternAnalyzerResult Run()
{
SpecialCharacter.ResetMiddleSpecialCharacterCount();
SequentialCharacter.ResetSequentialCharacterCount();
RepeatedCharacters repeatedCharacters = new RepeatedCharacters
{
Count = 0,
Deduction = 0
};
for (int index = 0; index < password.Length; index++)
{
CheckCharacter(index);
CheckRepeatedCharacters(index, ref repeatedCharacters);
}
throw new NotImplementedException();
}
private void CheckRepeatedCharacters(int index, ref RepeatedCharacters repeatedCharacters)
{
throw new NotImplementedException();
}
