/////////////////////////////////////////////////////////////////////
// set screen
/////////////////////////////////////////////////////////////////////
private void SetScreen
(
TestParam Param
)
{
if (TypeComboBox.SelectedIndex != Param.Type)
{
TypeComboBox.SelectedIndex = Param.Type;
}
HostTextBox.Text = Param.Host;
PortTextBox.Text = Param.Port.ToString();
UserNameTextBox.Text = Param.UserName;
if (Param.Type != 0)
{
UserPasswordTextBox.Text = Param.UserPassword;
UserPasswordTextBox.Enabled = true;
RefreshTokenTextBox.Text = string.Empty;
RefreshTokenTextBox.Enabled = false;
BrowseButton.Enabled = false;
}
else
{
UserPasswordTextBox.Text = string.Empty;
UserPasswordTextBox.Enabled = false;
RefreshTokenTextBox.Text = Param.RefreshToken;
RefreshTokenTextBox.Enabled = true;
BrowseButton.Enabled = true;
}
TimeoutTextBox.Text = Param.Timeout.ToString();
FromNameTextBox.Text = Param.FromName;
FromAddressTextBox.Text = Param.FromAddress;
ToNameTextBox.Text = Param.ToName;
ToAddressTextBox.Text = Param.ToAddress;
return;
}
/////////////////////////////////////////////////////////////////////
// initialization
/////////////////////////////////////////////////////////////////////
private void OnLoad(object sender, EventArgs e)
{
#if DEBUG
// current directory
string CurDir = Environment.CurrentDirectory;
string WorkDir = CurDir.Replace("bin\\Debug", "Work");
if (WorkDir != CurDir && Directory.Exists(WorkDir))
{
Environment.CurrentDirectory = WorkDir;
}
#endif
Text = "Test Uzi Secure Smtp Client Ver 2.0 2019/06/20";
TypeComboBox.Items.Add("Secure (SSL/TLS) OAuth2");
TypeComboBox.Items.Add("Secure (SSL/TLS) Plain Text");
TypeComboBox.Items.Add("Unsecure Plain Text");
TestParamArray = TestParam.LoadTestParam(TestParamFileName);
if (TestParamArray == null)
{
NextButton.Enabled = false;
PreviousButton.Enabled = false;
SetScreen(new TestParam());
}
else
{
NextButton.Enabled = true;
PreviousButton.Enabled = true;
SetScreen(TestParamArray[0]);
}
return;
}
/////////////////////////////////////////////////////////////////////
// On test (Unused)
/////////////////////////////////////////////////////////////////////
private void OnSendEmailAlternate(object sender, EventArgs e)
{
TestParam Param = ReadScreen();
//ExampleUnsecurePlainText(Param.Host, Param.UserName, Param.UserPassword, Param.FromName, Param.FromAddress, Param.ToName, Param.ToAddress, Subject, PlainTextView);
//ExampleSecureHtml(Param.Host, Param.UserName, Param.UserPassword, Param.FromName, Param.FromAddress, Param.ToName, Param.ToAddress, Subject, HtmlView);
ExampleGMail(Param.Host, Param.UserName, Param.RefreshToken, Param.FromName, Param.FromAddress, Param.ToName, Param.ToAddress, Subject, HtmlView);
return;
}
/////////////////////////////////////////////////////////////////////
// Read user parameters
/////////////////////////////////////////////////////////////////////
private TestParam ReadScreen()
{
TestParam Param = new TestParam();
Param.Type = TypeComboBox.SelectedIndex;
Param.Host = HostTextBox.Text.Trim();
int.TryParse(PortTextBox.Text.Trim(), out Param.Port);
Param.UserName = UserNameTextBox.Text.Trim();
Param.UserPassword = UserPasswordTextBox.Text.Trim();
Param.RefreshToken = RefreshTokenTextBox.Text.Trim();
int.TryParse(TimeoutTextBox.Text.Trim(), out Param.Timeout);
Param.FromName = FromNameTextBox.Text.Trim();
Param.FromAddress = FromAddressTextBox.Text.Trim();
Param.ToName = ToNameTextBox.Text.Trim();
Param.ToAddress = ToAddressTextBox.Text.Trim();
if (TestParamArray == null)
{
TestParamArray = new TestParam[1];
TestParamArray[0] = Param;
}
else
{
int Index;
for (Index = 0; Index < TestParamArray.Length && Param.CompareTo(TestParamArray[Index]) != 0; Index++)
{
;
}
if (Index == 0)
{
return(Param);
}
List <TestParam> TestParamList = new List <TestParam>(TestParamArray);
if (Index < TestParamArray.Length)
{
TestParamList.RemoveAt(Index);
}
TestParamList.Insert(0, Param);
if (TestParamList.Count > 20)
{
TestParamList.RemoveRange(20, TestParamList.Count - 20);
}
TestParamArray = TestParamList.ToArray();
}
TestParam.SaveTestParam(TestParamArray, TestParamFileName);
NextButton.Enabled = true;
PreviousButton.Enabled = true;
ScrollIndex = 0;
return(Param);
}
/////////////////////////////////////////////////////////////////////
// Send Mail prototype.
// This method should be used as a prototype for your email
// sending method.
/////////////////////////////////////////////////////////////////////
private void OnSendEmail(object sender, EventArgs e)
{
try
{
// read screen parameters
TestParam Param = ReadScreen();
// create one of three possible connection classes
// the SecureSmtpClient is re-useable. If you send more than one email,
// you can reuse the class. It is of real benefit for gmail.
if (Connection != null && Param.CompareTo(LastParam) != 0)
{
Connection = null;
}
if (Connection == null)
{
switch (Param.Type)
{
case 0:
Connection = new SecureSmtpClient(Param.Host, Param.UserName, new SecureSmtpOAuth2(Param.RefreshToken));
break;
case 1:
Connection = new SecureSmtpClient(ConnectMethod.Secure, Param.Host, Param.UserName, Param.UserPassword);
break;
case 2:
Connection = new SecureSmtpClient(ConnectMethod.Unsecure, Param.Host, Param.UserName, Param.UserPassword);
break;
}
Connection.PortNo = Param.Port;
Connection.Timeout = Param.Timeout;
LastParam = Param;
}
// create mail message object
SecureSmtpMessage Message = new SecureSmtpMessage();
// Set subject
Message.Subject = Subject;
// Set mail from address and display name.
Message.From = new MailAddress(Param.FromAddress, Param.FromName);
// Add minimum one or more recipients.
Message.To.Add(new MailAddress(Param.ToAddress, Param.ToName));
// create mixed multipart boundary
SecureSmtpMultipart Mixed = new SecureSmtpMultipart(MultipartType.Mixed);
Message.RootPart = Mixed;
// create alternative boundary
SecureSmtpMultipart Alternative = new SecureSmtpMultipart(MultipartType.Alternative);
Mixed.AddPart(Alternative);
// Add plain text mail body contents.
SecureSmtpContent PlainTextContent = new SecureSmtpContent(ContentType.Plain, PlainTextView);
Alternative.AddPart(PlainTextContent);
// create related boundary
SecureSmtpMultipart Related = new SecureSmtpMultipart(MultipartType.Related);
Alternative.AddPart(Related);
// add html mail body content
SecureSmtpContent HtmlContent = new SecureSmtpContent(ContentType.Html, HtmlView);
Related.AddPart(HtmlContent);
// add inline image attachment.
// NOTE image id is set to IMAGE001 this id must match the html image id in HtmlView text.
SecureSmtpAttachment ImageAttachment = new SecureSmtpAttachment(AttachmentType.Inline, "EmailImage.png", "IMAGE001");
ImageAttachment.MediaType = "image/png";
Related.AddPart(ImageAttachment);
// add file attachment to the email.
// The recipient of the email will be able to save it as a file.
SecureSmtpAttachment PdfAttachment = new SecureSmtpAttachment(AttachmentType.Attachment, "rfc2045.pdf");
Mixed.AddPart(PdfAttachment);
// send mail
Connection.SendMail(Message);
MessageBox.Show("Email was successfully sent");
}
// catch exceptions
catch (Exception Exp)
{
MessageBox.Show(Exp.Message);
}
return;
}