private FtpsClient TestConnection(FtpsOptions options)
{
FtpsClient client = new FtpsClient();
bool connected = client.Connect(options);
True(connected, client);
return(client);
}
private static void DoConnect(FtpsClient client)
{
WriteCredentialsEncryptionWarning();
CheckPassword();
var port = _options.port;
if (port == 0)
{
port = (_options.SslRequestSupportMode & ESSLSupportMode.Implicit) == ESSLSupportMode.Implicit ? 990 : 21;
}
NetworkCredential credential = null;
if (!string.IsNullOrEmpty(_options.UserName))
{
credential = new NetworkCredential(_options.UserName, _options.password);
}
X509Certificate x509ClientCert = null;
if (_options.sslClientCertPath != null)
{
x509ClientCert = X509Certificate.CreateFromCertFile(_options.sslClientCertPath);
}
client.Connect(_options.hostName, port,
credential,
_options.SslRequestSupportMode,
ValidateTestServerCertificate,
x509ClientCert,
_options.sslMinKeyExchangeAlgStrength,
_options.sslMinCipherAlgStrength,
_options.sslMinHashAlgStrength,
_options.timeout * 1000,
_options.useCtrlEndPointAddressForData,
_options.dataConnectionMode);
// client.Connect already sets binary by default
if (_options.transferMode != ETransferMode.Binary)
{
client.SetTransferMode(_options.transferMode);
}
WriteConnectionInfo(client);
WriteSslStatus(client);
}
/// <summary>
/// Connects to a FTP server trying every methods
/// </summary>
private void ConnectFtp(FtpsClient ftp, string userName, string passWord, string host, int port)
{
NetworkCredential credential = null;
if (!string.IsNullOrEmpty(userName))
{
credential = new NetworkCredential(userName, passWord ?? "");
}
var modes = new List <EsslSupportMode>();
typeof(EsslSupportMode).ForEach <EsslSupportMode>((s, l) => {
modes.Add((EsslSupportMode)l);
});
var sb = new StringBuilder();
ftp.DataConnectionMode = EDataConnectionMode.Passive;
while (!ftp.Connected && ftp.DataConnectionMode == EDataConnectionMode.Passive)
{
foreach (var mode in modes.OrderByDescending(mode => mode))
{
try {
var curPort = port > 0 ? port : (mode & EsslSupportMode.Implicit) == EsslSupportMode.Implicit ? 990 : 21;
ftp.Connect(host, curPort, credential, mode, 1800);
ftp.Connected = true;
if (!ftp.Connected)
{
ftp.Close();
}
break;
} catch (Exception e) {
sb.AppendLine($"{mode} >> {e.Message}");
}
}
ftp.DataConnectionMode = EDataConnectionMode.Active;
}
// failed?
if (!ftp.Connected)
{
throw new ArchiverException($"Failed to connect to a FTP server with : Username : {userName ?? "none"}, Password : {passWord ?? "none"}, Host : {host}, Port : {(port == 0 ? 21 : port)}", new Exception(sb.ToString()));
}
}
private static bool ConnectFtp(FtpsClient ftp, string userName, string passWord, string server, int port, string serverUri)
{
NetworkCredential credential = null;
if (!string.IsNullOrEmpty(userName))
{
credential = new NetworkCredential(userName, passWord);
}
foreach (var mode in EsslSupportMode.ClearText.GetEnumValues <EsslSupportMode>().OrderByDescending(mode => mode))
{
try {
var curPort = port > -1 ? port : ((mode & EsslSupportMode.Implicit) == EsslSupportMode.Implicit ? 990 : 21);
ftp.Connect(server, curPort, credential, mode, 1800);
ftp.Connected = true;
break;
} catch (Exception) {
//ignored
}
}
// failed?
if (!ftp.Connected)
{
if (!IsSpamming(serverUri, 2000, true))
{
UserCommunication.Notify(string.Format(@"Failed to connect to the FTP server!<br><br>The connexion used was:
<br>- Username : {0}
<br>- Password : {1}
<br>- Host : {2}
<br>- Port : {3}
", userName ?? "none", passWord ?? "none", server, port == -1 ? 21 : port), MessageImg.MsgError, "Ftp connexion", "Failed");
}
return(false);
}
return(true);
}
