/// <summary>
/// Default constructor.
/// </summary>
/// <param name="userName">User name.</param>
/// <param name="password">Password.</param>
/// <param name="callback">Callback what must be called when aynchrounous execution completes.</param>
public Auth_state_data(string userName, string password, CommadCompleted callback)
{
m_UserName = userName;
m_Password = password;
m_pCallback = callback;
}
/// <summary>
/// Start TLS(SSL) negotiation asynchronously.
/// </summary>
/// <param name="callback">The method to be called when the asynchronous StartTLS operation is completed.</param>
public void BeginStartTLS(CommadCompleted callback)
{
ThreadPool.QueueUserWorkItem(BeginStartTLS_workerThread, callback);
}
/// <summary>
/// Begins EHLO command.
/// </summary>
/// <param name="hostName">Host name which is reported to SMTP server.</param>
/// <param name="callback">Callback to be called if command ends.</param>
public void BeginEhlo(string hostName, CommadCompleted callback)
{
if (!m_Connected)
{
throw new Exception("You must connect first");
}
/* Rfc 2821 4.1.1.1 EHLO
* Syntax: "EHLO" SP Domain CRLF
*/
if (hostName.Length == 0)
{
hostName = Dns.GetHostName();
}
// Start sending EHLO command to server
m_pSocket.BeginWriteLine("EHLO " + hostName, new object[] {hostName, callback}, OnEhloSendFinished);
}
/// <summary>
/// Starts connection to specified host.
/// </summary>
/// <param name="localEndpoint">Sets local endpoint. Pass null, to use default.</param>
/// <param name="host">Host name or IP address.</param>
/// <param name="port">Port where to connect.</param>
/// <param name="callback">Callback to be called if connect ends.</param>
public void BeginConnect(IPEndPoint localEndpoint, string host, int port, CommadCompleted callback)
{
BeginConnect(localEndpoint, host, port, false, callback);
}
/// <summary>
/// Starts connection to specified host.
/// </summary>
/// <param name="localEndpoint">Sets local endpoint. Pass null, to use default.</param>
/// <param name="host">Host name or IP address.</param>
/// <param name="port">Port where to connect.</param>
/// <param name="ssl">Specifies if to connected via SSL.</param>
/// <param name="callback">Callback to be called if connect ends.</param>
public void BeginConnect(IPEndPoint localEndpoint,
string host,
int port,
bool ssl,
CommadCompleted callback)
{
ThreadPool.QueueUserWorkItem(BeginConnect_workerThread,
new object[] {localEndpoint, host, port, ssl, callback});
}
/// <summary>
/// Starts connection to specified host.
/// </summary>
/// <param name="host">Host name or IP address.</param>
/// <param name="port">Port where to connect.</param>
/// <param name="callback">Callback to be called if connect ends.</param>
public void BeginConnect(string host, int port, CommadCompleted callback)
{
BeginConnect(null, host, port, false, callback);
}
/// <summary>
/// Starts connection to specified host.
/// </summary>
/// <param name="host">Host name or IP address.</param>
/// <param name="port">Port where to connect.</param>
/// <param name="ssl">Specifies if to connected via SSL.</param>
/// <param name="callback">Callback to be called if connect ends.</param>
public void BeginConnect(string host, int port, bool ssl, CommadCompleted callback)
{
BeginConnect(null, host, port, ssl, callback);
}
/// <summary>
/// Starts sending message.
/// </summary>
/// <param name="message">Message what will be sent to server. NOTE: Message sending starts from message stream current posision.</param>
/// <param name="callback">Callback to be called if command ends.</param>
public void BeginSendMessage(Stream message, CommadCompleted callback)
{
if (!m_Connected)
{
throw new Exception("You must connect first");
}
/* RFC 2821 4.1.1.4 DATA
* Notes:
* Message must be period handled for DATA command. This meas if message line starts with .,
* additional .(period) must be added.
* Message send is ended with <CRLF>.<CRLF>.
* Examples:
* C: DATA<CRLF>
* S: 354 Start sending message, end with <crlf>.<crlf><CRLF>
* C: send_message
* C: <CRLF>.<CRLF>
*/
/* RFC 3030 BDAT
* Syntax:BDAT<SP>message_size_in_bytes<SP>LAST<CRLF>
*
* Exapmle:
* C: BDAT 1000 LAST<CRLF>
* C: send_1000_byte_message
* S: 250 OK<CRLF>
*
*/
if (m_Supports_Bdat)
{
m_pSocket.BeginWriteLine("BDAT " + (message.Length - message.Position) + " LAST",
new object[] {message, callback},
OnBdatSendFinished);
}
else
{
m_pSocket.BeginWriteLine("DATA", new object[] {message, callback}, OnDataSendFinished);
}
}
/// <summary>
/// Begin adding recipient.
/// </summary>
/// <param name="recipientEmail">Recipient email address.</param>
/// <param name="callback">Callback to be called if command ends.</param>
public void BeginAddRecipient(string recipientEmail, CommadCompleted callback)
{
if (!m_Connected)
{
throw new Exception("You must connect first");
}
/* RFC 2821 4.1.1.2 RCPT
* Examples:
* RCPT TO:<*****@*****.**>
*/
m_pSocket.BeginWriteLine("RCPT TO:<" + recipientEmail + ">", callback, OnRcptSendFinished);
}
/// <summary>
/// Begin setting sender.
/// </summary>
/// <param name="senderEmail">Sender email address what is reported to smtp server.</param>
/// <param name="messageSize">Message size in bytes or -1 if message size isn't known.</param>
/// <param name="callback">Callback to be called if command ends.</param>
public void BeginSetSender(string senderEmail, long messageSize, CommadCompleted callback)
{
if (!m_Connected)
{
throw new Exception("You must connect first");
}
/* RFC 2821 4.1.1.2 MAIL
* Examples:
* MAIL FROM:<*****@*****.**>
*
* RFC 1870 adds optional SIZE keyword support.
* SIZE keyword may only be used if it's reported in EHLO command response.
* Examples:
* MAIL FROM:<*****@*****.**> SIZE=1000
*/
if (m_Supports_Size && messageSize > -1)
{
m_pSocket.BeginWriteLine("MAIL FROM:<" + senderEmail + "> SIZE=" + messageSize,
callback,
OnMailSendFinished);
}
else
{
m_pSocket.BeginWriteLine("MAIL FROM:<" + senderEmail + ">", callback, OnMailSendFinished);
}
}
/// <summary>
/// Begins authenticate.
/// </summary>
/// <param name="userName">Uesr name.</param>
/// <param name="password">Password.</param>
/// <param name="callback">Callback to be called if command ends.</param>
public void BeginAuthenticate(string userName, string password, CommadCompleted callback)
{
if (!m_Connected)
{
throw new Exception("You must connect first !");
}
if (!(m_Supports_CramMd5 || m_Supports_Login))
{
throw new Exception("Authentication isn't supported.");
}
/* LOGIN
* Example:
* C: AUTH<SP>LOGIN<CRLF>
* S: 334<SP>base64(USERNAME)<CRLF> // USERNAME is string constant
* C: base64(username)<CRLF>
* S: 334<SP>base64(PASSWORD)<CRLF> // PASSWORD is string constant
* C: base64(password)<CRLF>
* S: 235 Ok<CRLF>
*/
/* Cram-M5
Example:
C: AUTH<SP>CRAM-MD5<CRLF>
S: 334<SP>base64(md5_calculation_hash)<CRLF>
C: base64(username<SP>password_hash)<CRLF>
S: 235 Ok<CRLF>
*/
if (m_Supports_CramMd5)
{
m_pSocket.BeginWriteLine("AUTH CRAM-MD5",
new Auth_state_data(userName, password, callback),
OnAuthCramMd5SendFinished);
}
else if (m_Supports_Login)
{
m_pSocket.BeginWriteLine("AUTH LOGIN",
new Auth_state_data(userName, password, callback),
OnAuthLoginSendFinished);
}
}
/// <summary>
/// Starts connection to specified host.
/// </summary>
/// <param name="localEndpoint">Sets local endpoint. Pass null, to use default.</param>
/// <param name="host">Host name or IP address.</param>
/// <param name="port">Port where to connect.</param>
/// <param name="callback">Callback to be called if connect ends.</param>
public void BeginConnect(IPEndPoint localEndpoint,string host,int port,CommadCompleted callback)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(this.BeginConnect_workerThread),new object[]{localEndpoint,host,port,callback});
}