/// <summary>
/// Returns a random element from a list, or null if the list is empty.
/// </summary>
/// <typeparam name="T">The type of object being enumerated</typeparam>
/// <param name="rand">An instance of a random number generator</param>
/// <returns>A random element from a list, or null if the list is empty</returns>
public static T Random <T>(this IEnumerable <T> list, CryptoRandomGenerator rand)
{
if (list != null && list.Count() > 0)
{
return(list.ElementAt(rand.Next(list.Count())));
}
return(default(T));
}
Task <string> IUserTokenProvider <BackOfficeIdentityUser, int> .GenerateAsync(string purpose, UserManager <BackOfficeIdentityUser, int> manager, BackOfficeIdentityUser user)
{
lock (syncLock)
{
var code = _random.Next(999999).ToString();
return(Task.FromResult(code));
}
}
/// <summary>
/// Shuffles an IList in place.
/// </summary>
/// <typeparam name="T">The type of elements in the list</typeparam>
/// <param name="rand">An instance of a random number generator</param>
public static void Shuffle <T>(this IList <T> list, CryptoRandomGenerator rand)
{
int count = list.Count;
while (count > 1)
{
int i = rand.Next(count--);
T temp = list[count];
list[count] = list[i];
list[i] = temp;
}
}
public HttpResponseMessage SetupSMS(string number)
{
var user = SignInManager.GetVerifiedUserId();
var details = CustomDatabase.GetUserDetails(user);
if (details != null && details.IsValidated)
{
throw new UnauthorizedAccessException("This account has already setup SMS");
}
var isNew = details == null;
details = new FortressUser2FASettings();
details.UserId = user;
details.Provider = "SMS";
details.Configuration = number;
details.IsValidated = false;
lock (syncLock)
{
var code = _random.Next(999999).ToString();
details.CurrentCode = code;
details.CurrentCodeGenerated = DateTime.UtcNow;
}
if (isNew)
{
CustomDatabase.Insert(details);
}
else
{
CustomDatabase.Update(details);
}
var settings = CustomDatabase.GetSettingsFromDatabase();
var SmsProvider = FortressContext.GetCurrentSmsProvider();
SmsProvider.SendSms(details.Configuration, string.Format(settings.SMS_MessageFormat, details.CurrentCode));
var response = Request.CreateResponse(HttpStatusCode.OK, new { token = "123456" });
return(response);
}
public static string NewSecurePassword()
{
var UpperCharsSet = Enumerable.Range(65, 26).Select(i => (byte)i).ToArray(); // A..Z
var LowerCharsSet = Enumerable.Range(97, 26).Select(i => (byte)i).ToArray(); // a..z
var NumbersSet = Enumerable.Range(48, 10).Select(i => (byte)i).ToArray(); // 0..9
var SpecialCharsSet = new byte[] { 33, 35, 40, 41, 64 }; // !, #, (, ), @
var All = UpperCharsSet.Concat(LowerCharsSet).Concat(NumbersSet).Concat(SpecialCharsSet).ToArray();
using (var r = new CryptoRandomGenerator())
{
int length = r.Next(32, 41);
var u = Enumerable.Range(0, 5).Select(i => UpperCharsSet[r.Next(0, UpperCharsSet.Length)]);
var l = Enumerable.Range(0, 1).Select(i => LowerCharsSet[r.Next(0, LowerCharsSet.Length)]);
var n = Enumerable.Range(0, 1).Select(i => NumbersSet[r.Next(0, NumbersSet.Length)]);
var s = Enumerable.Range(0, 4).Select(i => SpecialCharsSet[r.Next(0, SpecialCharsSet.Length)]);
var a = Enumerable.Range(0, length - 11).Select(i => All[r.Next(0, All.Length)]);
return(Encoding.ASCII.GetString(u.Concat(l).Concat(n).Concat(s).Concat(a).Shuffle().ToArray()));
}
}
