public static void authenticate()
{
planner.updateStatus("Authenticating Google Calendar Account Info");
string calendarURL = PlannerSettings.Default.CalendarURL;
if (calendarURL.Equals(""))
{
MessageBox.Show("No Calendar URL specified.", "Invalid Settings", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
postUri = new Uri(calendarURL);
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += delegate(object s, DoWorkEventArgs args){
lock (threadLock) {
service = new CalendarService("A+StudentPlanner");
if (PlannerSettings.Default.StoredGoogleAccount == true)
{
byte[] salt = Encoding.Unicode.GetBytes("A+ Student Planner Developed By David Riggleman");
string[] encryptedBytes = PlannerSettings.Default.Password.Split('-');
byte[] encodedBytes = new byte[encryptedBytes.Length];
for (int i = 0; i < encryptedBytes.Length; i++)
{
encodedBytes[i] = Byte.Parse(encryptedBytes[i]);
}
byte[] decodedBytes = ProtectedData.Unprotect(encodedBytes, salt, DataProtectionScope.CurrentUser);
service.setUserCredentials(PlannerSettings.Default.Username, Encoding.Unicode.GetString(decodedBytes));
try {
EventQuery myQuery = new EventQuery(postUri.ToString());
EventFeed resultFeed = (EventFeed)service.Query(myQuery);
authenticated = true;
}
catch {
Util.displayError("Error authenticating Google Calendar Account. Check settings.", "Authentication Error");
authenticated = false;
}
}
else
{
AuthenticationForm form = new AuthenticationForm(PlannerSettings.Default.Username);
form.changeText("Enter the credentials for your google account. \n(No information will be stored).", "Enter Google Account Credentials");
authenticated = false;
bool exit = false;
while (exit == false)
{
form.ShowDialog();
if (form.cancelled == true)
{
exit = true;
}
else
{
try {
service.setUserCredentials(form.username, form.password);
EventQuery myQuery = new EventQuery(postUri.ToString());
EventFeed resultFeed = (EventFeed)service.Query(myQuery);
authenticated = true;
exit = true;
}
catch {
DialogResult retry = MessageBox.Show("Incorrect username or password. Try Again?", "Authentication Error", MessageBoxButtons.RetryCancel, MessageBoxIcon.Exclamation);
if (retry != DialogResult.Retry)
{
exit = true;
}
}
}
}
form.eraseCredentials();
}
}
};
bw.RunWorkerCompleted += delegate(object s, RunWorkerCompletedEventArgs args) {
if (authenticated == true)
{
planner.updateStatus("Status: Google Authentication Successful");
planner.Refresh();
}
else
{
planner.updateStatus("Status: Google Authentication Failed");
planner.Refresh();
}
};
//start thread
bw.RunWorkerAsync();
}
private void button1_Click(object sender, EventArgs e)
{
//extract user entered information
string MyFrom = txtEmailFrom.Text;
string MyTo = txtEmailTo.Text;
string MySubject = txtEmailSubject.Text;
string MyMessage = txtEmailMessage.Text;
//check if to open with default email client
if (PlannerSettings.Default.UseDefaultClient == true)
{
//open in email client with entered fields already populated
openMailClient(MyTo, MySubject, MyMessage);
}
else
{
string MySmtpMailServerName = PlannerSettings.Default.SmtpServer;
//ex: "smtp.cedarville.edu" or "smtp.google.com"
int MySmtpMailServerPort = PlannerSettings.Default.SmtpPort;
//25 is the default for SMTP (587 for Google)
SmtpClient MySmtpClient = new SmtpClient(MySmtpMailServerName, MySmtpMailServerPort);
if (PlannerSettings.Default.RequireAuthentication == true)
{
//get authentication details from user
AuthenticationForm credentials = new AuthenticationForm(PlannerSettings.Default.EmailAddress);
credentials.ShowDialog(this);
//configure credentials
MySmtpClient.EnableSsl = true;
MySmtpClient.Timeout = 3000;
MySmtpClient.UseDefaultCredentials = false;
MySmtpClient.Credentials = new NetworkCredential(credentials.username, credentials.password);
credentials.eraseCredentials();
}
//indicate message is in process of sending
parent.updateStatus("Status: Message Sending...");
//send message using new thread so it won't freeze main thread if there is an error
String errorMessage = "";
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += delegate(object s, DoWorkEventArgs args){
try {
MySmtpClient.Send(MyFrom, MyTo, MySubject, MyMessage);
}
catch (Exception ex) {
errorMessage = ex.Message;
}
};
bw.RunWorkerCompleted += delegate(object s, RunWorkerCompletedEventArgs args) {
if (errorMessage.Equals("") == false)
{
//display any errors with sending the message
Util.displayError(errorMessage, "Error");
parent.updateStatus("Status: Message Not Sent");
parent.Refresh();
}
else
{
//update message status if message sent successfully
parent.updateStatus("Status: Message Successfully Sent");
parent.Refresh();
}
};
//start sending message
bw.RunWorkerAsync();
}
}