private void SendVerificationEmail(MailAddress from, MailAddress to, string verificationCode)
{
//show progress bar
string status = "Sending new verification code, please wait...";
ProgressViewerForm progressViewer = new ProgressViewerForm(status);
progressViewer.Location = new Point(this.Location.X - 55, this.Location.Y + 60);
progressViewer.Show();
_progressViewerObject = progressViewer;
//email subject and body
string subject = "Email Verification for MyCost";
string message = "Dear User,\n\n" +
"Thank you for registering account with MyCost Finance Management App. " +
"Please use the following verification code to verify your email from MyCost app. \n\n" +
"Your email verification code is: " + verificationCode + ".\n\n" +
"Verifying your email is important because if you ever forget your password / username, " +
"you will not be able to recover your password / username without a verified email. \n\n" +
"Thank you\n" +
"MyCost Team";
//send verification code to user's email
Mailer mailer = new Mailer
{
From = from,
To = to,
Subject = subject,
Message = message
};
mailer.EmailSendingSuccessEventHandler += OnSendingVerificationEmailSuccess;
mailer.EmailSendingFailedEventHandler += OnSendingVerificationEmailFailed;
_mailerObject = mailer;
mailer.SendEmail();
}
private void UpdateEmailButtonClicked(object sender, EventArgs e)
{
if (NewEmailTextBox.ForeColor != Color.Black || NewEmailTextBox.Text.Length < 1)
{
NewEmailTextBox.Text = "New Email";
NewEmailTextBox.ForeColor = Color.Red;
}
else if (PasswordForEmailTextBox.ForeColor != Color.Black || PasswordForEmailTextBox.Text.Length < 1)
{
PasswordForEmailTextBox.Text = "Password";
PasswordForEmailTextBox.ForeColor = Color.Red;
PasswordForEmailTextBox.PasswordChar = '\0';
}
else if (!IsValidEmail(NewEmailTextBox.Text))
{
NewEmailTextBox.ForeColor = Color.Red;
string message = "Invalid Email. Please check your email address again.";
MessageBox.Show(message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
//disable all controls so that user cannot change anything
//after the button is pressed
DisableAllControls();
string originalEmail = NewEmailTextBox.Text;
string emailVerificationCode = GenerateRandomNumberString(6);
string password = PasswordForEmailTextBox.Text;
//encrypt the email with the original cypher key
string encryptedEmail = StringCipher.Encrypt(originalEmail, GlobalSpace.CypherKey);
string encryptedEmergencyCypherKey = StringCipher.Encrypt(GlobalSpace.CypherKey, originalEmail);
//show progress bar
string status = "Updating your email, please wait...";
ProgressViewerForm progressViewer = new ProgressViewerForm(status);
progressViewer.Location = new Point(this.Location.X + 98, this.Location.Y + 200);
progressViewer.Show();
_progressViewerObject = progressViewer;
//send webrequest to update email
WebHandler webRequest = new WebHandler();
webRequest.WebRequestSuccessEventHandler += OnUpdateEmailSuccess;
webRequest.WebRequestFailedEventHandler += OnUpdateEmailFailed;
_webHandlerObject = webRequest;
webRequest.UpdateEmail(originalEmail, encryptedEmail, emailVerificationCode, password, encryptedEmergencyCypherKey);
}
}
private void VerifyEmailButtonClicked(object sender, EventArgs e)
{
//show progress bar
string status = "Verifying your email, please wait...";
ProgressViewerForm progressViewer = new ProgressViewerForm(status);
progressViewer.Location = new Point(this.Location.X - 55, this.Location.Y + 60);
progressViewer.Show();
_progressViewerObject = progressViewer;
WebHandler webHandler = new WebHandler();
webHandler.WebRequestSuccessEventHandler += OnEmailVerificationSuccess;
webHandler.WebRequestFailedEventHandler += OnEmailVerificationFailed;
_webHandlerObject = webHandler;
webHandler.VerifyEmail(VerificationCodeTextBox.Text);
}
private void LoginUser()
{
//if fore-color of a textBox is not black, that means the textbox
//contains the placeholder text and user didn't enter any value
string username = UsernameTextBox.ForeColor == Color.Black?
UsernameTextBox.Text : "";
string password = PasswordTextBox.ForeColor == Color.Black?
PasswordTextBox.Text : "";
if (username.Length < 1)
{
ShowErrorMessage("Please enter username.");
return;
}
else if (password.Length < 1)
{
ShowErrorMessage("Please enter password.");
return;
}
//disable all controls so that the user cannot
//change anything until the login process ends
DisableAllControls();
//show progress bar
string status = "Verifying your login credentials, please wait...";
ProgressViewerForm progressViewer = new ProgressViewerForm(status);
progressViewer.Location = new Point(this.Location.X + 70, this.Location.Y + 100);
progressViewer.Show();
_progressViewerObject = progressViewer;
//send web request to verify user's login credentials
WebHandler webRequest = new WebHandler();
webRequest.WebRequestSuccessEventHandler += OnLoginSuccess;
webRequest.WebRequestFailedEventHandler += OnLoginFailed;
_webHandlerObject = webRequest;
webRequest.AuthenticateUser(username, password);
}
private void RegisterUser()
{
//if fore-color of a textBox is not black, that means the TextBox
//contains the placeholder text and user didn't enter any value
string username = UsernameTextBox.ForeColor == Color.Black?
UsernameTextBox.Text : "";
string password = PasswordTextBox.ForeColor == Color.Black?
PasswordTextBox.Text : "";
string confirmPassword = ConfirmPasswordTextBox.ForeColor == Color.Black?
ConfirmPasswordTextBox.Text : "";
string email = EmailTextBox.ForeColor == Color.Black ? EmailTextBox.Text : "";
string emailVerificationCode = GenerateRandomNumberString(6);
//make server request to generate a new activation code
//and assign the new activation code to the private variable _activationCode
_activationCode = "";
GetActivationCode();
if (username.Length < 1)
{
ShowErrorMessage("Please enter a username.");
return;
}
else if (password.Length < 1)
{
ShowErrorMessage("Please enter a password.");
return;
}
else if (confirmPassword != password)
{
ShowErrorMessage("Password does not match.");
return;
}
else if (_activationCode.Length < 1)
{
//error message is already shown when the call to get activation code failed
return;
}
else if (email.Length < 1 || !IsValidEmail(email))
{
ShowErrorMessage("The email address you have provided is not vaild.");
return;
}
else if (!AgreeCheckBox.Checked)
{
ShowErrorMessage("You need to agree to our terms and policy to register.");
return;
}
//disable all controls so that the user cannot change
//anything until the registration process ends
DisableAllControls();
//show progress bar
string status = "Creating your account, please wait...";
ProgressViewerForm progressViewer = new ProgressViewerForm(status);
progressViewer.Location = new Point(this.Location.X + 70, this.Location.Y + 200);
progressViewer.Show();
_progressViewerObject = progressViewer;
//generate a unique cypher key for this user for encrypting this user's info
//save the encrypted version of the cypher key in database
string cypherKey = GenerateRandomString(70);
string encryptedCypherKey = StringCipher.Encrypt(cypherKey, password);
string encryptedEmergencyCypherKey = StringCipher.Encrypt(cypherKey, email);
//encrypt the email with the original cypher key
string encryptedEmail = StringCipher.Encrypt(email, cypherKey);
//send web request to create new user account
WebHandler webRequest = new WebHandler();
webRequest.WebRequestSuccessEventHandler += OnRegisterSuccess;
webRequest.WebRequestFailedEventHandler += OnRegisterFailed;
_webHandlerObject = webRequest;
webRequest.RegisterNewUser(username, password, _activationCode, encryptedCypherKey, encryptedEmergencyCypherKey, encryptedEmail, email, emailVerificationCode);
}
