public ConfigRoot(string configFromKeePass, MurrayGrant.ReadablePassphrase.Random.RandomSourceBase randomness)
{
this.ConfigForKeePass = configFromKeePass;
this._Generator = new ReadablePassphraseGenerator(randomness);
InitializeComponent();
}
private IEnumerable <string> SelectPhrases(IRandomNumberGenerator random, int wordCount, int phraseCount, bool spaces, int minChars, int maxChars, NumericStyles whenNumeric, int numbersToAdd, AllUppercaseStyles whenUpper, int uppersToAdd)
{
if (minChars > maxChars)
{
yield break;
}
phraseCount = Math.Min(phraseCount, MaxCount);
wordCount = Math.Min(wordCount, MaxWords);
if (phraseCount <= 0 || wordCount <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
var dict = Dictionary.Value;
int attempts = 0;
ICollection <IMutator> mutators = null;
if (whenNumeric != NumericStyles.Never || whenUpper != AllUppercaseStyles.Never)
{
mutators = new List <IMutator>();
}
if (whenNumeric != NumericStyles.Never)
{
mutators.Add(new NumericMutator()
{
When = whenNumeric, NumberOfNumbersToAdd = numbersToAdd
});
}
if (whenUpper == AllUppercaseStyles.Anywhere)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.Anywhere, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.StartOfWord)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.StartOfWord, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.WholeWord)
{
mutators.Add(new UppercaseWordMutator()
{
NumberOfWordsToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.RunOfLetters)
{
mutators.Add(new UppercaseRunMutator()
{
NumberOfRuns = uppersToAdd
});
}
MurrayGrant.ReadablePassphrase.Random.RandomSourceBase randomWrapper = null;
if (mutators != null)
{
randomWrapper = new MurrayGrant.ReadablePassphrase.Random.ExternalRandomSource(random.GetRandomBytes);
}
for (int c = 0; c < phraseCount; c++)
{
do
{
// Generate a phrase.
for (int l = 0; l < wordCount; l++)
{
sb.Append(dict[random.GetRandomInt32(dict.Count)]);
sb.Append(' ');
}
sb.Remove(sb.Length - 1, 1);
// Apply mutators.
if (mutators != null)
{
foreach (var m in mutators)
{
m.Mutate(sb, randomWrapper);
}
}
// Finally, remove spaces if required (as the mutators depend on whitespace to do their work).
if (!spaces)
{
for (int i = sb.Length - 1; i >= 0; i--)
{
if (sb[i] == ' ')
{
sb.Remove(i, 1);
}
}
}
attempts++;
// Ensure the final phrase is within the min / max chars.
} while (attempts < MaxAttemptsPerCount && (sb.Length < minChars || sb.Length > maxChars));
if (attempts >= MaxAttemptsPerCount)
{
sb.Clear();
sb.Append("A passphrase could not be found matching your minimum and maximum length requirements");
}
// Yield the phrase and reset state.
var result = sb.ToString();
yield return(result);
sb.Clear();
attempts = 0;
}
sw.Stop();
var bytesRequested = (int)((random as Terninger.Random.CypherBasedPrngGenerator)?.BytesRequested).GetValueOrDefault();
RandomService.LogPasswordStat("Passphrase", phraseCount, sw.Elapsed, bytesRequested, IPAddressHelpers.GetHostOrCacheIp(Request).AddressFamily, HttpContext.GetApiKeyId());
if (!IpThrottlerService.HasAnyUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request)))
{
RandomService.AddWebRequestEntropy(this.Request);
}
IpThrottlerService.IncrementUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request), phraseCount);
}
private IEnumerable <string> SelectPhrases(IList <string> dict, IRandomNumberGenerator random, int wordCount, int phraseCount, bool spaces, int minChars, int maxChars, NumericStyles whenNumeric, int numbersToAdd, AllUppercaseStyles whenUpper, int uppersToAdd)
{
if (minChars > maxChars)
{
yield break;
}
phraseCount = Math.Min(phraseCount, MaxCount);
wordCount = Math.Min(wordCount, MaxWords);
if (phraseCount <= 0 || wordCount <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
int attempts = 0;
// Setup any mutators required.
ICollection <IMutator> mutators = null;
if (whenNumeric != NumericStyles.Never || whenUpper != AllUppercaseStyles.Never)
{
mutators = new List <IMutator>();
}
if (whenNumeric != NumericStyles.Never)
{
mutators.Add(new NumericMutator()
{
When = whenNumeric, NumberOfNumbersToAdd = numbersToAdd
});
}
if (whenUpper == AllUppercaseStyles.Anywhere)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.Anywhere, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.StartOfWord)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.StartOfWord, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.WholeWord)
{
mutators.Add(new UppercaseWordMutator()
{
NumberOfWordsToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.RunOfLetters)
{
mutators.Add(new UppercaseRunMutator()
{
NumberOfRuns = uppersToAdd
});
}
MurrayGrant.ReadablePassphrase.Random.RandomSourceBase randomWrapper = null;
if (mutators != null)
{
randomWrapper = new MurrayGrant.ReadablePassphrase.Random.ExternalRandomSource(random.GetRandomBytes);
}
for (int c = 0; c < phraseCount; c++)
{
do
{
// Generate a phrase.
for (int l = 0; l < wordCount; l++)
{
sb.Append(dict[random.GetRandomInt32(dict.Count)]);
sb.Append(' ');
}
sb.Remove(sb.Length - 1, 1);
// Apply mutators.
if (mutators != null)
{
foreach (var m in mutators)
{
m.Mutate(sb, randomWrapper);
}
}
// Finally, remove spaces if required (as the mutators depend on whitespace to do their work).
if (!spaces)
{
for (int i = sb.Length - 1; i >= 0; i--)
{
if (sb[i] == ' ')
{
sb.Remove(i, 1);
}
}
}
attempts++;
// Ensure the final phrase is within the min / max chars.
} while (attempts < MaxAttemptsPerCount && (sb.Length < minChars || sb.Length > maxChars));
if (attempts >= MaxAttemptsPerCount)
{
sb.Clear();
sb.Append("A passphrase could not be found matching your minimum and maximum length requirements");
}
// Yield the phrase and reset state.
var result = sb.ToString();
yield return(result);
sb.Clear();
attempts = 0;
}
sw.Stop();
PostSelectionAction("Passphrase", phraseCount, sw.Elapsed, random);
}
