/// <summary>
/// Changes the users password
/// </summary>
/// <param name="data"></param>
/// <returns>
/// If the password is being reset it will return the newly reset password, otherwise will return an empty value
/// </returns>
public ModelWithNotifications<string> PostChangePassword(ChangingPasswordModel data)
{
var userProvider = Membership.Providers[UmbracoConfig.For.UmbracoSettings().Providers.DefaultBackOfficeUserProvider];
if (userProvider == null)
{
throw new InvalidOperationException("No membership provider found with the name " + UmbracoConfig.For.UmbracoSettings().Providers.DefaultBackOfficeUserProvider);
}
//TODO: WE need to support this! - requires UI updates, etc...
if (userProvider.RequiresQuestionAndAnswer)
{
throw new NotSupportedException("Currently the user editor does not support providers that have RequiresQuestionAndAnswer specified");
}
var passwordChangeResult = Security.ChangePassword(Security.CurrentUser.Username, data, userProvider);
if (passwordChangeResult.Success)
{
//even if we weren't resetting this, it is the correct value (null), otherwise if we were resetting then it will contain the new pword
var result = new ModelWithNotifications<string>(passwordChangeResult.Result.ResetPassword);
result.AddSuccessNotification(ui.Text("user", "password"), ui.Text("user", "passwordChanged"));
return result;
}
//it wasn't successful, so add the change error to the model state, we've name the property alias _umb_password on the form
// so that is why it is being used here.
ModelState.AddPropertyError(
passwordChangeResult.Result.ChangeError,
string.Format("{0}password", Constants.PropertyEditors.InternalGenericPropertiesPrefix));
throw new HttpResponseException(Request.CreateValidationErrorResponse(ModelState));
}
/// <summary>
/// Changes password for a member/user given the membership provider and the password change model
/// </summary>
/// <param name="username"></param>
/// <param name="passwordModel"></param>
/// <param name="membershipProvider"></param>
/// <returns></returns>
/// <remarks>
/// YES! It is completely insane how many options you have to take into account based on the membership provider. yikes!
/// </remarks>
internal Attempt<PasswordChangedModel> ChangePassword(string username, ChangingPasswordModel passwordModel, MembershipProvider membershipProvider)
{
if (passwordModel == null) throw new ArgumentNullException("passwordModel");
if (membershipProvider == null) throw new ArgumentNullException("membershipProvider");
//Are we resetting the password??
if (passwordModel.Reset.HasValue && passwordModel.Reset.Value)
{
if (membershipProvider.EnablePasswordReset == false)
{
return Attempt.Fail(new PasswordChangedModel {ChangeError = new ValidationResult("Password reset is not enabled", new[] {"resetPassword"})});
}
if (membershipProvider.RequiresQuestionAndAnswer && passwordModel.Answer.IsNullOrWhiteSpace())
{
return Attempt.Fail(new PasswordChangedModel {ChangeError = new ValidationResult("Password reset requires a password answer", new[] {"resetPassword"})});
}
//ok, we should be able to reset it
try
{
var newPass = membershipProvider.ResetPassword(
username,
membershipProvider.RequiresQuestionAndAnswer ? passwordModel.Answer : null);
//return the generated pword
return Attempt.Succeed(new PasswordChangedModel {ResetPassword = newPass});
}
catch (Exception ex)
{
LogHelper.WarnWithException<WebSecurity>("Could not reset member password", ex);
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not reset password, error: " + ex.Message + " (see log for full details)", new[] { "resetPassword" }) });
}
}
//we're not resetting it so we need to try to change it.
if (passwordModel.NewPassword.IsNullOrWhiteSpace())
{
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Cannot set an empty password", new[] { "value" }) });
}
//This is an edge case and is only necessary for backwards compatibility:
var umbracoBaseProvider = membershipProvider as MembershipProviderBase;
if (umbracoBaseProvider != null && umbracoBaseProvider.AllowManuallyChangingPassword)
{
//this provider allows manually changing the password without the old password, so we can just do it
try
{
var result = umbracoBaseProvider.ChangePassword(username, "", passwordModel.NewPassword);
return result == false
? Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not change password, invalid username or password", new[] { "value" }) })
: Attempt.Succeed(new PasswordChangedModel());
}
catch (Exception ex)
{
LogHelper.WarnWithException<WebSecurity>("Could not change member password", ex);
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not change password, error: " + ex.Message + " (see log for full details)", new[] { "value" }) });
}
}
//The provider does not support manually chaning the password but no old password supplied - need to return an error
if (passwordModel.OldPassword.IsNullOrWhiteSpace() && membershipProvider.EnablePasswordRetrieval == false)
{
//if password retrieval is not enabled but there is no old password we cannot continue
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Password cannot be changed without the old password", new[] { "value" }) });
}
if (passwordModel.OldPassword.IsNullOrWhiteSpace() == false)
{
//if an old password is suplied try to change it
try
{
var result = membershipProvider.ChangePassword(username, passwordModel.OldPassword, passwordModel.NewPassword);
return result == false
? Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not change password, invalid username or password", new[] { "value" }) })
: Attempt.Succeed(new PasswordChangedModel());
}
catch (Exception ex)
{
LogHelper.WarnWithException<WebSecurity>("Could not change member password", ex);
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not change password, error: " + ex.Message + " (see log for full details)", new[] { "value" }) });
}
}
if (membershipProvider.EnablePasswordRetrieval == false)
{
//we cannot continue if we cannot get the current password
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Password cannot be changed without the old password", new[] { "value" }) });
}
if (membershipProvider.RequiresQuestionAndAnswer && passwordModel.Answer.IsNullOrWhiteSpace())
{
//if the question answer is required but there isn't one, we cannot continue
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Password cannot be changed without the password answer", new[] { "value" }) });
}
//lets try to get the old one so we can change it
try
{
var oldPassword = membershipProvider.GetPassword(
username,
membershipProvider.RequiresQuestionAndAnswer ? passwordModel.Answer : null);
try
{
var result = membershipProvider.ChangePassword(username, oldPassword, passwordModel.NewPassword);
return result == false
? Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not change password", new[] { "value" }) })
: Attempt.Succeed(new PasswordChangedModel());
}
catch (Exception ex1)
{
LogHelper.WarnWithException<WebSecurity>("Could not change member password", ex1);
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not change password, error: " + ex1.Message + " (see log for full details)", new[] { "value" }) });
}
}
catch (Exception ex2)
{
LogHelper.WarnWithException<WebSecurity>("Could not retrieve member password", ex2);
return Attempt.Fail(new PasswordChangedModel { ChangeError = new ValidationResult("Could not change password, error: " + ex2.Message + " (see log for full details)", new[] { "value" }) });
}
}
