public ObjectId ValidateLoginAttempt(string username, byte[] enteredPassword)
{
User user = Database.Instance.userCollection.FindOneAs <User>(Query.EQ("username", username));
if (user != null)
{
byte[] saltedHash = Authorize.GenerateSaltedHash(enteredPassword, user.password.salt);
if (Authorize.IsValidHash(saltedHash, user.password.hash))
{
return(user.id);
}
else
{
return(ObjectId.Empty);
}
}
else
{
return(ObjectId.Empty);
}
}
public bool ChangePassword(byte[] newPassword)
{
byte[] saltedHash = Authorize.GenerateSaltedHash(newPassword, password.salt);
if (Authorize.IsValidHash(saltedHash, password.hash))
{
return(false);
}
foreach (Password prevPass in previousPasswords)
{
saltedHash = Authorize.GenerateSaltedHash(newPassword, prevPass.salt);
if (Authorize.IsValidHash(saltedHash, prevPass.hash))
{
return(false);
}
}
byte[] salt = Authorize.GenerateSalt();
saltedHash = Authorize.GenerateSaltedHash(newPassword, salt);
Password newPass = new Password(saltedHash, salt);
previousPasswords.Add(this.password);
this.password = newPass;
return(true);
}
public Tuple <ServerResponse, ObjectId> CreateNewAccount(string username, string password)
{
Tuple <ServerResponse, ObjectId> response;
try
{
if (Authorize.PassesGuidelines(password))
{
byte[] passBytes = Encoding.UTF8.GetBytes(password);
byte[] salt = Authorize.GenerateSalt();
byte[] saltedHash = Authorize.GenerateSaltedHash(passBytes, salt);
Password pass = new Password(saltedHash, salt);
User newUser = new User(username.ToLower(), pass);
try
{
UserManager.Instance.SaveUser(newUser);
response = new Tuple <ServerResponse, ObjectId>(ServerResponse.Success, newUser.id);
}
catch (MongoWriteConcernException ex)
{
WriteLog(ex);
response = new Tuple <ServerResponse, ObjectId>(ServerResponse.UsernameAlreadyExists, ObjectId.Empty);
}
}
else
{
response = new Tuple <ServerResponse, ObjectId>(ServerResponse.UsernameAlreadyExists, ObjectId.Empty);
}
}
catch (Exception ex)
{
WriteLog(ex);
response = new Tuple <ServerResponse, ObjectId>(ServerResponse.ServerError, ObjectId.Empty);
}
return(response);
}
