/// <summary>
/// Validate the username entered into the forgotten password field.
/// </summary>
/// <param name="username">The username input to validate.</param>
/// <returns>True if the form validates, else false.</returns>
private bool ValidateResetPasswordFormFirstScreen(Username username, ref string validationErrors)
{
bool validRegistration = true;
// Validating username field
// Setting up the Regex for the username field
Match usernameMatch = Regex.Match(username.UserName, "^[A-Za-z0-9-]+$", RegexOptions.IgnoreCase);
if (username.UserName == "")
{
validationErrors += "The <b>username</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
else if (username.UserName.Length > 30)
{
validationErrors += "The <b>username</b> entered is too long. Please shorten the username and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
if (username.UserName != "")
{
if (!usernameMatch.Success)
{
validationErrors += "The <b>username</b> entered contains invalid characters. Please remove these characters and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
}
return(validRegistration);
}
/// <summary>
/// Validate the login form credentials.
/// </summary>
/// <param name="user">The user who is attempting to log in.</param>
/// <returns>True if all the fields on the form validate, else false.</returns>
private bool ValidateLoginForm(User user, ref string validationErrors)
{
bool validRegistration = true;
// Validating username field
// Setting up the Regex for the username field
Match usernameMatch = Regex.Match(user.Username.UserName, "^[a-zA-Z0-9-]+$", RegexOptions.IgnoreCase);
if (user.Username.UserName == "")
{
validationErrors += "The <b>username</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
/*else if (user.Username.UserName.Length > 0 && user.Username.UserName.Length < 6)
* {
* validationErrors += "The <b>username</b> entered is too short. Please try again.<br/>";
* TextBox_Username.Focus();
* validRegistration = false;
* }*/
else if (user.Username.UserName.Length > 30)
{
validationErrors += "The <b>username</b> entered is too long. Please shorten the username and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
// Don't want to see this error too if we already know that the username field is blank.
if (user.Username.UserName != "")
{
if (!usernameMatch.Success)
{
validationErrors += "The <b>username</b> entered contains invalid characters. Please remove these characters and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
}
// Validate password field
// Settings up the Regex for the password field
/**
* With thanks to http://stackoverflow.com/questions/9477906/password-must-be-8-characters-including-1-uppercase-letter-1-special-character
**/
Match passwordMatch = Regex.Match(user.Password.PassWord, "^[a-zA-Z0-9-+/*]+$", RegexOptions.IgnoreCase);
if (user.Password.PassWord == "")
{
validationErrors += "The <b>password</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
else if (user.Password.PassWord.Length > 0 && user.Password.PassWord.Length < 8)
{
validationErrors += "The <b>password</b> field is too short. Please try again.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
else if (user.Password.PassWord.Length > 50)
{
validationErrors += "The <b>password</b> entered is too long. Please shorten the password and try again.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
if (user.Password.PassWord != null)
{
if (!passwordMatch.Success)
{
validationErrors += "The <b>password</b> you entered contains invalid characters. Please try again.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
}
// Don't want to see this error if we already know that the username or password is null.
if (validRegistration)
{
// As these have the same resulting error message for security reasons, test both the username and password condition together and display the error only once.
if (!user.CheckUsernameExistence())
{
validationErrors += "The credentials you entered are not found. Please try again.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
}
return(validRegistration);
}
/// <summary>
/// Validate the fields in the registration form an issue appropriate errors if necessary.
/// </summary>
/// <param name="validationErrors">A string representation that will hold all validation errors for output to the screen.</param>
/// <returns>True if the registration form validates, else false.</returns>
private bool ValidateRegistrationForm(ref string validationErrors)
{
bool validRegistration = true;
bool termsAndConditionsAccepted = false;
string confirmEmailAddress = TextBox_ConfirmEmailAddress.Text;
string confirmPassword = TextBox_ConfirmPassword.Text;
// Validating the Title field
if (user.Title == "---")
{
validationErrors += "The <b>title</b> field was left blank. Please select a title and try again.<br/>";
DropDownList_Title.Focus();
validRegistration = false;
}
// Validating the Forename field
// Setting up the Regex for detecting invalid characters in the forename field
Match forenameMatch = Regex.Match(user.Forename, "^[A-Za-z]+$", RegexOptions.IgnoreCase);
if (user.Forename == "")
{
validationErrors += "The <b>forename</b> field was left blank. Please enter your forename and try again.<br/>";
TextBox_Forename.Focus();
validRegistration = false;
}
else if (user.Forename.Length > 50)
{
validationErrors += "The <b>forename</b> field is too long. Please shorten your forename and try again.<br/>";
TextBox_Forename.Focus();
validRegistration = false;
}
if (user.Forename != "")
{
if (!forenameMatch.Success)
{
validationErrors += "The <b>forename</b> field contains invalid characters. Please remove these characters and try again.<br/>";
TextBox_Forename.Focus();
validRegistration = false;
}
}
// Validating the Surname field
// Setting up the Regex for detecting invalid characters in the surname field
Match surnameMatch = Regex.Match(user.Surname, "^[A-Za-z]+$", RegexOptions.IgnoreCase);
if (user.Surname == "")
{
validationErrors += "The <b>surname</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_Surname.Focus();
validRegistration = false;
}
else if (user.Surname.Length > 50)
{
validationErrors += "The <b>surname</b> field is too long. Please shorten your surname and try again.<br/>";
TextBox_Surname.Focus();
validRegistration = false;
}
if (user.Surname != "")
{
if (!surnameMatch.Success)
{
validationErrors += "The <b>surname</b> field contains invalid characters. Please remove these characters and try again.<br/>";
TextBox_Surname.Focus();
validRegistration = false;
}
}
// Validating the E-mail address field
// Setting up the Regex for detecting invalid characters in the email address
//Match emailAddressMatch = Regex.Match(user.EmailAddress, "^[a-zA-Z0-9@._]+$", RegexOptions.IgnoreCase);
if (user.EmailAddress == "")
{
validationErrors += "The <b>e-mail address</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_EmailAddress.Focus();
validRegistration = false;
}
else if (user.EmailAddress.Length > 150)
{
validationErrors += "The <b>e-mail address</b> field is too long. Please shorten your e-mail address and try again.<br/>";
TextBox_EmailAddress.Focus();
validRegistration = false;
}
/*if (user.EmailAddress != "")
* {
* if (!emailAddressMatch.Success)
* {
* validationErrors += "The <b>e-mail address</b> did not contain the required characters for a valid e-mail address. Please alter your e-mail address and then try again.<br/>";
* TextBox_EmailAddress.Focus();
* validRegistration = false;
* }
* }*/
/*if (user.EmailAddress != "")
* {
* if (!(user.EmailAddress.Contains(".") && user.EmailAddress.Contains("@")))
* {
* validationErrors += "The <b>e-mail address</b> did not conform to the standard e-mail address format. Please alter your e-mail address and then try again.<br/>";
* TextBox_EmailAddress.Focus();
* validRegistration = false;
* }
* }*/
if (user.CheckEmailAddressExistence())
{
validationErrors += "The <b>e-mail address</b> entered is already registered. Please choose a different e-mail address and try again.<br/>";
TextBox_EmailAddress.Focus();
validRegistration = false;
}
// Validating the confirm email address field
// Setting up the Regex for detecting invalid characters in the confirm email address
/**
* With thanks to http://stackoverflow.com/questions/2652500/email-regular-expression-validation
**/
//Match confirmEmailAddressMatch = Regex.Match(confirmEmailAddress, "^[a-zA-Z0-9@._]+$", RegexOptions.IgnoreCase);
if (confirmEmailAddress == "")
{
validationErrors += "The <b>confirmation e-mail address</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_ConfirmEmailAddress.Focus();
validRegistration = false;
}
else if (confirmEmailAddress.Length > 150)
{
validationErrors += "The <b>confirmation e-mail address</b> field is too long. Please shorten this and try again.<br/>";
TextBox_ConfirmEmailAddress.Focus();
validRegistration = false;
}
/*if (user.EmailAddress != "")
* {
* if (!confirmEmailAddressMatch.Success)
* {
* validationErrors += "The <b>confirmation e-mail address</b> field cdid not contain the required characters for a valid e-mail address. Please alter your e-mail address and then try again.<br/>";
* TextBox_ConfirmEmailAddress.Focus();
* validRegistration = false;
* }
* }*/
if (user.EmailAddress != confirmEmailAddress)
{
validationErrors += "The <b>e-mail address</b> and <b>confirmation e-mail address</b> you entered do not match. Please re-enter these and try again.<br/>";
TextBox_EmailAddress.Text = "";
TextBox_ConfirmEmailAddress.Text = "";
TextBox_EmailAddress.Focus();
validRegistration = false;
}
// Validating username field
// Setting up the Regex for the username field
Match usernameMatch = Regex.Match(user.Username.UserName, "^[A-Za-z0-9-]+$", RegexOptions.IgnoreCase);
if (user.Username.UserName == "")
{
validationErrors += "The <b>username</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
else if (user.Username.UserName.Length > 30)
{
validationErrors += "The <b>username</b> entered is too long. Please shorten the username and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
if (user.Username.UserName != "")
{
if (!usernameMatch.Success)
{
validationErrors += "The <b>username</b> entered contains invalid characters. Please remove these characters and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
}
if (user.CheckUsernameExistence())
{
validationErrors += "The <b>username</b> entered is already taken. Please choose another username and try again.<br/>";
TextBox_Username.Focus();
validRegistration = false;
}
// Validate password field
// Settings up the Regex for the password field
/**
* With thanks to http://stackoverflow.com/questions/9477906/password-must-be-8-characters-including-1-uppercase-letter-1-special-character
**/
Match passwordMatch = Regex.Match(user.Password.PassWord, "^[A-Za-z0-9+-/*]+$", RegexOptions.IgnoreCase);
if (user.Password.PassWord == "")
{
validationErrors += "The <b>password</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
else if (user.Password.PassWord.Length > 0 && user.Password.PassWord.Length < 8)
{
validationErrors += "The <b>password</b> field is too short. Please choose a pasword of at least 8 characters.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
else if (user.Password.PassWord.Length > 50)
{
validationErrors += "The <b>password</b> entered is too long. Please shorten the password and try again.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
if (user.Password.PassWord != "")
{
if (!passwordMatch.Success)
{
validationErrors += "The <b>password</b> entered contains some invalid characters. Please ensure the password contains a minimum of 8 characters of which one is an uppercase English character, a lowercase English character and a digit.<br/>";
TextBox_Password.Focus();
validRegistration = false;
}
}
// Validate confirm password field
// Settings up the Regex for the confirm password field
/**
* With thanks to http://stackoverflow.com/questions/9477906/password-must-be-8-characters-including-1-uppercase-letter-1-special-character
**/
Match confirmPasswordMatch = Regex.Match(confirmPassword, @"[A-Za-z0-9]", RegexOptions.IgnoreCase);
if (confirmPassword == "")
{
validationErrors += "The <b>confirmation password</b> field was left blank. Please fill this in and try again.<br/>";
TextBox_ConfirmPassword.Focus();
validRegistration = false;
}
else if (confirmPassword.Length > 0 && confirmPassword.Length < 8)
{
validationErrors += "The <b>confirmation password</b> field is too short. Please choose a password of at least 8 characters.<br/>";
TextBox_ConfirmPassword.Focus();
validRegistration = false;
}
else if (confirmPassword.Length > 50)
{
validationErrors += "The <b>confirmation password</b> field is too long. Please shorten the password and try again.<br/>";
TextBox_ConfirmPassword.Focus();
validRegistration = false;
}
if (!confirmPasswordMatch.Success)
{
validationErrors += "The <b>confirmation password</b> entered contains some invalid characters. Please ensure the confirmation password contains a minimum of 8 characters of which one is an uppercase English character, a lowercase English character and a digit.<br/>";
TextBox_ConfirmPassword.Focus();
validRegistration = false;
}
// Check the password and confirm password fields match.
if (user.Password.PassWord != confirmPassword)
{
validationErrors += "The <b>password</b> and <b>confirmation password</b> you entered do not match. Please re-enter these and try again.<br/>";
TextBox_Password.Text = "";
TextBox_ConfirmPassword.Text = "";
TextBox_Password.Focus();
validRegistration = false;
}
if (CheckBox_TermsAndConditions.Checked)
{
termsAndConditionsAccepted = true;
}
else
{
termsAndConditionsAccepted = false;
}
if (!termsAndConditionsAccepted)
{
validationErrors += "The <b>terms and conditions</b> were not accepted. Please read and accept these and then try again.<br/>";
validRegistration = false;
}
return(validRegistration);
}
private void LoginView_Loaded(object sender, RoutedEventArgs e)
{
TextBox_Username.Focus();
}
