public void ConnectAndLogin()
{
if(_connection != null)
{
this.Dispose();
}
_connection = getClientObject();
try
{
if (_encryption == EncryptionType.Unencrypted)
{
_connection.Connect(this._server, this._port);
}
else
{
_connection.ConnectSSL(this._server, this._port);
if (_encryption == EncryptionType.STARTTLS)
startTSL();
}
login(_username, _password);
}
catch(ImapResponseException ire)
{
//aditional authentication by gmail
if (ire.Message.StartsWith(GMAIL_LOGINONBROWSER_MESSAGE, StringComparison.InvariantCultureIgnoreCase) && _server.EndsWith(GMAIL_DOMAIN, StringComparison.InvariantCultureIgnoreCase))
{
//tried to open the gmail authentication page, but it doesn't help
//if (ire.Response.Lines.Count > 0)
//{
// System.Diagnostics.Process.Start(ire.Response.Lines[0].Substring(ire.Response.Lines[0].IndexOf("http")));
// StatusProvider.DisplayStatus("Please authenticate on the opened web page, and try again.");
//}
//switching "unsafe authentication" is needed in gmail settings, so displaying the support page describing it
var httpPos = ire.Message.IndexOf("http");
if(httpPos>-1)
{
var url = ire.Message.Substring(httpPos);
var spacePos = url.IndexOf(" ");
if (spacePos > -1)
url = url.Substring(0, spacePos);
System.Diagnostics.Process.Start(url);
ErrorProvider.DisplayError("Gmail authentication failed, please read the opened support page.");
}
}
else
throw new MailServerException(ire.Message);
}
catch(ServerException se)
{
throw new MailServerException(se.Message);
}
}