/// <summary>
/// POP login
/// </summary>
/// <param name="host">Host of email server</param>
/// <param name="port">Port of server</param>
/// <param name="username">Username</param>
/// <param name="password">Password</param>
/// <param name="connectionSecurity">Connection security/Encryption Type</param>
/// <returns>bool value</returns>
public bool Login(string host, int port, string username, string password, NGConnectionSecurity connectionSecurity)
{
try
{
Logger.Trace("Connecting to " + host + ":" + port + " with username:"******" and secutity:" + connectionSecurity.ToString());
_bSsl = false;
_Client = new TcpClient(host, port);
_ClientStream = _Client.GetStream();
_StreamReader = new StreamReader(_ClientStream);
_StreamWriter = new StreamWriter(_ClientStream);
_SslStream = new SslStream(_ClientStream);
if (connectionSecurity == NGConnectionSecurity.SSL_TLS)
{
_SslStream.AuthenticateAsClient(host);
_bSsl = true;
_SslStreamReader = new StreamReader(_SslStream);
_SslStreamWriter = new StreamWriter(_SslStream);
}
if (!this.CheckResponse(NGPopStatusCode.POP_OK))
{
Dispose();
return(false);
}
if (connectionSecurity == NGConnectionSecurity.STARTTLS)
{
this.Write(string.Format(NGPopCommands.STARTTLS_CMD, NGPopCommands.EOL));
if (!this.CheckResponse(NGPopStatusCode.POP_OK))
{
Dispose();
return(false);
}
_SslStream.AuthenticateAsClient(host);
_bSsl = true;
_SslStreamReader = new StreamReader(_SslStream);
_SslStreamWriter = new StreamWriter(_SslStream);
}
this.Write(string.Format(NGPopCommands.LOGIN_USER_CMD, username, NGPopCommands.EOL));
if (!this.CheckResponse(NGPopStatusCode.POP_OK))
{
Dispose();
return(false);
}
this.Write(string.Format(NGPopCommands.LOGIN_PASS_CMD, password, NGPopCommands.EOL));
if (!this.CheckResponse(NGPopStatusCode.POP_OK))
{
Dispose();
return(false);
}
Logger.Trace("Connection to " + host + ":" + port + " successful");
return(true);
}
catch (Exception ex)
{
Logger.Error("Error in Login", ex);
return(false);
}
}
/// <summary>
/// SMTP login
/// </summary>
/// <param name="host">Host of email server</param>
/// <param name="port">Port of server</param>
/// <param name="username">Username</param>
/// <param name="password">Password</param>
/// <param name="connectionSecurity">Connection security/Encryption Type</param>
/// <returns>bool value</returns>
public bool Login(string host, int port, string username, string password, NGConnectionSecurity connectionSecurity)
{
try
{
Logger.Trace("Connecting to " + host + ":" + port + " with username:"******" and secutity:" + connectionSecurity.ToString());
username = Convert.ToBase64String(Encoding.UTF8.GetBytes(username));
password = Convert.ToBase64String(Encoding.UTF8.GetBytes(password));
_bSsl = false;
_Client = new TcpClient(host, port);
_ClientStream = _Client.GetStream();
_StreamReader = new StreamReader(_ClientStream);
_StreamWriter = new StreamWriter(_ClientStream);
_SslStream = new SslStream(_ClientStream);
if (connectionSecurity == NGConnectionSecurity.SSL_TLS)
{
_SslStream.AuthenticateAsClient(host);
_bSsl = true;
_SslStreamReader = new StreamReader(_SslStream);
_SslStreamWriter = new StreamWriter(_SslStream);
}
var response = this.Read();
if (!response.StartsWith(NGSmtpStatusCode.ServiceReady.ToStringValue()))
{
Dispose();
return(false);
}
this.Write(string.Format(NGSmtpCommands.HELO_CMD, Dns.GetHostName(), EOF));
response = this.Read();
if (!response.StartsWith(NGSmtpStatusCode.Ok.ToStringValue()))
{
Dispose();
return(false);
}
if (connectionSecurity == NGConnectionSecurity.STARTTLS)
{
this.Write(string.Format(NGSmtpCommands.STARTTLS_CMD, EOF));
response = this.Read();
if (!response.StartsWith(NGSmtpStatusCode.ServiceReady.ToStringValue()))
{
Dispose();
return(false);
}
_SslStream.AuthenticateAsClient(host);
_bSsl = true;
_SslStreamReader = new StreamReader(_SslStream);
_SslStreamWriter = new StreamWriter(_SslStream);
this.Write(string.Format(NGSmtpCommands.EHLO_CMD, Dns.GetHostName(), EOF));
response = this.Read();
if (!response.StartsWith(NGSmtpStatusCode.Ok.ToStringValue()))
{
Dispose();
return(false);
}
}
this.Write(string.Format(NGSmtpCommands.AUTH_LOGIN_CMD, EOF));
response = this.Read();
if (!response.StartsWith(NGSmtpStatusCode.NextAcceptBase64.ToStringValue()))
{
Dispose();
return(false);
}
this.Write(string.Format("{0}{1}", username, EOF));
response = this.Read();
if (!response.StartsWith(NGSmtpStatusCode.NextAcceptBase64.ToStringValue()))
{
Dispose();
return(false);
}
this.Write(string.Format("{0}{1}", password, EOF));
response = this.Read();
if (!response.StartsWith(NGSmtpStatusCode.Authenticated.ToStringValue()))
{
Dispose();
return(false);
}
Logger.Trace("Connection to " + host + ":" + port + " successful");
return(true);
}
catch (Exception ex)
{
Logger.Error("Error in Login", ex);
return(false);
}
}
