/// <summary>
/// Reset a users password - *
/// </summary>
/// <param name="username">User to be found based by Name</param>
/// <param name="answer">Verifcation that it is them</param>
/// <returns>Username as string</returns>
public override string ResetPassword(string username, string answer)
{
string newPassword = string.Empty, newPasswordEnc = string.Empty, newPasswordSalt = string.Empty, newPasswordAnswer = string.Empty;
/// Check Password reset is enabled
if (!(this.EnablePasswordReset))
{
ExceptionReporter.ThrowNotSupported("MEMBERSHIP", "RESETNOTSUPPORTED");
}
// Check arguments for null values
if (username == null)
{
ExceptionReporter.ThrowArgument("MEMBERSHIP", "USERNAMEPASSWORDNULL");
}
// get an instance of the current password information class
UserPasswordInfo currentPasswordInfo = UserPasswordInfo.CreateInstanceFromDB(this.ApplicationName, username, false, this.UseSalt);
if (currentPasswordInfo != null)
{
if (UseSalt && String.IsNullOrEmpty(currentPasswordInfo.PasswordSalt))
{
// get a new password salt...
newPasswordSalt = YafMembershipProvider.GenerateSalt();
}
else
{
// use existing salt...
newPasswordSalt = currentPasswordInfo.PasswordSalt;
}
if (!String.IsNullOrEmpty(answer))
{
// verify answer is correct...
if (!currentPasswordInfo.IsCorrectAnswer(answer))
{
return(null);
}
}
// create a new password
newPassword = YafMembershipProvider.GeneratePassword(this.MinRequiredPasswordLength, this.MinRequiredNonAlphanumericCharacters);
// encode it...
newPasswordEnc = YafMembershipProvider.EncodeString(newPassword, ( int )this.PasswordFormat, newPasswordSalt, this.UseSalt);
// save to the database
DB.ResetPassword(this.ApplicationName, username, newPasswordEnc, newPasswordSalt, ( int )this.PasswordFormat, this.MaxInvalidPasswordAttempts, this.PasswordAttemptWindow);
// Return unencrypted password
return(newPassword);
}
return(null);
}
/// <summary>
/// Retrieves the Users password (if EnablePasswordRetrieval is true)
/// </summary>
/// <param name="username">Username to retrieve password for</param>
/// <param name="answer">Answer to the Users Membership Question</param>
/// <param name="newPasswordQuestion">New question</param>
/// <param name="newPasswordAnswer">New answer</param>
/// <returns> Password unencrypted</returns>
public override string GetPassword(string username, string answer)
{
if (!this.EnablePasswordRetrieval)
{
ExceptionReporter.ThrowNotSupported("MEMBERSHIP", "PASSWORDRETRIEVALNOTSUPPORTED");
}
// Check for null arguments
if ((username == null) || (answer == null))
{
ExceptionReporter.ThrowArgument("MEMBERSHIP", "USERNAMEPASSWORDNULL");
}
UserPasswordInfo currentPasswordInfo = UserPasswordInfo.CreateInstanceFromDB(this.ApplicationName, username, false, this.UseSalt);
if (currentPasswordInfo != null && currentPasswordInfo.IsCorrectAnswer(answer))
{
return(YafMembershipProvider.DecodeString(currentPasswordInfo.Password, currentPasswordInfo.PasswordFormat));
}
return(null);
}
