/// <summary>
/// Attempts to load locally stored copies of the badlists
/// </summary>
private bool LoadLocalBadLists()
{
try
{
// Prepare directory names
var directory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var local10k = Path.Combine(directory, "BadLists\\top-10k-passwords.txt");
var local100k = Path.Combine(directory, "BadLists\\top-100k-passwords.txt");
// Load local copy
if (File.Exists(local10k))
{
Top10kBadList = new TestBadList(local10k);
}
if (File.Exists(local100k))
{
Top100kBadList = new TestBadList(local100k);
}
if (Top10kBadList != null && Top100kBadList != null)
{
return(true);
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
/// <summary>
/// Runs each applicable bad list test against the provided password
/// </summary>
/// <param name="password">The password to test</param>
/// <param name="isL33t">Specifies whether this password is a l33t variant</param>
/// <param name="userBadList">An optional bad list to check against containing user information</param>
private void RunBadListTests(string password, bool isL33t, TestBadList userBadList = null)
{
var reversed = Reverse(password);
if (BadListsLoaded)
{
// Test top 10K list
if (isL33t)
{
RunTest(password, Top10kBadList);
RunTest(reversed, Top10kBadList);
}
// Test top 100K list
if (isL33t == false)
{
RunTest(password, Top100kBadList);
RunTest(reversed, Top100kBadList);
}
}
// Test user list
if (userBadList != null)
{
RunTest(password, userBadList);
RunTest(reversed, userBadList);
}
}
/// <summary>
/// Runs scoring and validation on the specified password
/// </summary>
/// <param name="password">The password to test</param>
/// <param name="userInformation">An optional list containing user information to compare against the password</param>
/// <exception cref="ArgumentNullException"></exception>
public bool TestAndScore(string password, IEnumerable <string> userInformation = null)
{
// Input validation
if (string.IsNullOrEmpty(password))
{
throw new ArgumentNullException(nameof(password), "Must provide password to analyse");
}
// Reset
FailureMessages.Clear();
Score = 0;
// Get l33t variants
IEnumerable <string> l33t;
if (CustomReplacements == null)
{
l33t = L33tDecoderService.Decode(password, L33tLevel.Advanced);
}
else
{
l33t = L33tDecoderService.Decode(password, L33tLevel.Custom, CustomReplacements);
}
// Run general tests
RunPasswordTests(password);
// Run list tests
TestBadList userBadList = null;
if (userInformation != null)
{
userBadList = new TestBadList(userInformation);
}
RunBadListTests(password, false, userBadList);
foreach (var variant in l33t)
{
if (Settings.ExitOnFailure == false || FailureMessages.Count == 0)
{
RunBadListTests(variant, true, userBadList);
}
}
// Remove duplicate failure messages (l33t variants may cause this)
FailureMessages = FailureMessages.Distinct().ToList();
// Return result
if (Settings.MinScore > 0)
{
return(Score >= Settings.MinScore && FailureMessages.Count == 0);
}
else
{
return(FailureMessages.Count == 0);
}
}
/// <summary>
/// Attempts to load remote copies of the badlists
/// </summary>
private bool LoadRemoteBadLists()
{
// Prepare directory names
var appdata10k = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Easy-Password-Validator\\BadLists\\top-10k-passwords.txt");
var appdata100k = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Easy-Password-Validator\\BadLists\\top-100k-passwords.txt");
var remote10k = "https://raw.githubusercontent.com/thirstyape/Easy-Password-Validator/master/BadLists/top-10k-passwords.txt";
var remote100k = "https://raw.githubusercontent.com/thirstyape/Easy-Password-Validator/master/BadLists/top-100k-passwords.txt";
// Load remote copy
try
{
using var client = new WebClient();
if (Top10kBadList == null)
{
Directory.CreateDirectory(Path.GetDirectoryName(appdata10k));
client.DownloadFile(remote10k, appdata10k);
Top10kBadList = new TestBadList(appdata10k);
}
if (Top100kBadList == null)
{
Directory.CreateDirectory(Path.GetDirectoryName(appdata100k));
client.DownloadFile(remote100k, appdata100k);
Top100kBadList = new TestBadList(appdata100k);
}
if (Top10kBadList != null && Top100kBadList != null)
{
return(true);
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
/// <summary>
/// Loads the badlists into memory
/// </summary>
private void LoadBadLists()
{
// Prepare directory names
var directory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var local10k = Path.Combine(directory, "BadLists\\top-10k-passwords.txt");
var local100k = Path.Combine(directory, "BadLists\\top-100k-passwords.txt");
var appdata10k = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Easy-Password-Validator\\BadLists\\top-10k-passwords.txt");
var appdata100k = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Easy-Password-Validator\\BadLists\\top-100k-passwords.txt");
var remote10k = "https://raw.githubusercontent.com/thirstyape/Easy-Password-Validator/master/BadLists/top-10k-passwords.txt";
var remote100k = "https://raw.githubusercontent.com/thirstyape/Easy-Password-Validator/master/BadLists/top-100k-passwords.txt";
// Load local copy
if (File.Exists(local10k))
{
Top10kBadList = new TestBadList(local10k);
}
if (File.Exists(local100k))
{
Top100kBadList = new TestBadList(Path.Combine(directory, "BadLists\\top-100k-passwords.txt"));
}
if (Top10kBadList != null || Top100kBadList != null)
{
return;
}
// Load remote copy
Directory.CreateDirectory(Path.GetDirectoryName(appdata10k));
Directory.CreateDirectory(Path.GetDirectoryName(appdata100k));
using var client = new WebClient();
client.DownloadFile(remote10k, appdata10k);
client.DownloadFile(remote100k, appdata100k);
Top10kBadList = new TestBadList(appdata10k);
Top100kBadList = new TestBadList(appdata100k);
}