public static int GetDefaultPort(FtpEncryptionMode encryption)
{
return(new FtpClient()
{
EncryptionMode = encryption
}.Port);
}
private void ShowFtpDialog(Activity activity, Util.FileSelectedHandler onStartBrowse, Action onCancel)
{
#if !NoNet
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
View dlgContents = activity.LayoutInflater.Inflate(Resource.Layout.ftpcredentials, null);
builder.SetView(dlgContents);
builder.SetPositiveButton(Android.Resource.String.Ok,
(sender, args) =>
{
string host = dlgContents.FindViewById <EditText>(Resource.Id.ftp_host).Text;
string portText = dlgContents.FindViewById <EditText>(Resource.Id.ftp_port).Text;
FtpEncryptionMode encryption =
(FtpEncryptionMode)dlgContents.FindViewById <Spinner>(Resource.Id.ftp_encryption).SelectedItemPosition;
int port = NetFtpFileStorage.GetDefaultPort(encryption);
if (!string.IsNullOrEmpty(portText))
{
int.TryParse(portText, out port);
}
string user = dlgContents.FindViewById <EditText>(Resource.Id.ftp_user).Text;
string password = dlgContents.FindViewById <EditText>(Resource.Id.ftp_password).Text;
string initialPath = dlgContents.FindViewById <EditText>(Resource.Id.ftp_initial_dir).Text;
string ftpPath = new NetFtpFileStorage(_activity, App.Kp2a).BuildFullPath(host, port, initialPath, user,
password, encryption);
onStartBrowse(ftpPath);
});
EventHandler <DialogClickEventArgs> evtH = new EventHandler <DialogClickEventArgs>((sender, e) => onCancel());
builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
builder.SetTitle(activity.GetString(Resource.String.enter_ftp_login_title));
Dialog dialog = builder.Create();
dialog.Show();
#endif
}
public Site(string name, string hostname, ushort port, NetworkCredential credential, FtpEncryptionMode encryptionMode)
{
Name = name;
Hostname = hostname;
Port = port;
Credential = credential;
EncryptionMode = encryptionMode;
}
private void ShowFtpDialog(Activity activity, Util.FileSelectedHandler onStartBrowse, Action onCancel, string defaultPath)
{
#if !NoNet
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
View dlgContents = activity.LayoutInflater.Inflate(Resource.Layout.ftpcredentials, null);
if (!defaultPath.EndsWith(_schemeSeparator))
{
var connection = NetFtpFileStorage.ConnectionSettings.FromIoc(IOConnectionInfo.FromPath(defaultPath));
dlgContents.FindViewById <EditText>(Resource.Id.ftp_user).Text = connection.Username;
dlgContents.FindViewById <EditText>(Resource.Id.ftp_password).Text = connection.Password;
dlgContents.FindViewById <Spinner>(Resource.Id.ftp_encryption).SetSelection((int)connection.EncryptionMode);
var uri = NetFtpFileStorage.IocToUri(IOConnectionInfo.FromPath(defaultPath));
string pathAndQuery = uri.PathAndQuery;
var host = uri.Host;
var localPath = pathAndQuery;
if (!uri.IsDefaultPort)
{
dlgContents.FindViewById <EditText>(Resource.Id.ftp_port).Text = uri.Port.ToString();
}
dlgContents.FindViewById <EditText>(Resource.Id.ftp_host).Text = host;
dlgContents.FindViewById <EditText>(Resource.Id.ftp_initial_dir).Text = localPath;
}
builder.SetView(dlgContents);
builder.SetPositiveButton(Android.Resource.String.Ok,
(sender, args) =>
{
string host = dlgContents.FindViewById <EditText>(Resource.Id.ftp_host).Text;
string portText = dlgContents.FindViewById <EditText>(Resource.Id.ftp_port).Text;
FtpEncryptionMode encryption =
(FtpEncryptionMode)dlgContents.FindViewById <Spinner>(Resource.Id.ftp_encryption).SelectedItemPosition;
int port = NetFtpFileStorage.GetDefaultPort(encryption);
if (!string.IsNullOrEmpty(portText))
{
int.TryParse(portText, out port);
}
string user = dlgContents.FindViewById <EditText>(Resource.Id.ftp_user).Text;
string password = dlgContents.FindViewById <EditText>(Resource.Id.ftp_password).Text;
string initialPath = dlgContents.FindViewById <EditText>(Resource.Id.ftp_initial_dir).Text;
string ftpPath = new NetFtpFileStorage(_activity, App.Kp2a).BuildFullPath(host, port, initialPath, user,
password, encryption);
onStartBrowse(ftpPath);
});
EventHandler <DialogClickEventArgs> evtH = new EventHandler <DialogClickEventArgs>((sender, e) => onCancel());
builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
builder.SetTitle(activity.GetString(Resource.String.enter_ftp_login_title));
Dialog dialog = builder.Create();
dialog.Show();
#endif
}
public PluginFtps(Task task, string server, int port, string user, string password, string path, EncryptionMode encryptionMode)
: base(task, server, port, user, password, path)
{
switch (encryptionMode)
{
case EncryptionMode.Explicit:
_encryptionMode = FtpEncryptionMode.Explicit;
break;
case EncryptionMode.Implicit:
_encryptionMode = FtpEncryptionMode.Implicit;
break;
}
}
public ProtocolFTPS(string server, int port, string user, string password, string path, EncryptionMode encryptionMode)
: base(server, port, user, password, path)
{
switch (encryptionMode)
{
case EncryptionMode.Explicit:
_encryptionMode = FtpEncryptionMode.Explicit;
break;
case EncryptionMode.Implicit:
_encryptionMode = FtpEncryptionMode.Implicit;
break;
}
}
public static String valueOf(FtpEncryptionMode ftpEncryptionMode, Error error)
{
switch (ftpEncryptionMode)
{
case FtpEncryptionMode.IMPLICIT:
return("IMPLICIT");
case FtpEncryptionMode.EXPLICIT:
return("EXPLICIT");
default:
error.setError("EM002", "Unknown encryption mode");
return("");
}
}
public FtpsOptions() : base()
{
this._host = "";
this._port = 21;
this._user = "";
this._password = "";
this._forceEncryption = true;
this._connectionMode = FtpConnectionMode.PASSIVE;
this._encoding = FtpEncoding.BINARY;
this._encryptionMode = FtpEncryptionMode.EXPLICIT;
this._trustStorePath = "";
this._trustStorePassword = "";
this._protocol = FtpsProtocol.TLS1_2;
this._whiteList = null;
}
public FTP(Uri target, string password, FtpEncryptionMode mode)
{
_ftp = new FtpClient
{
EncryptionMode = mode,
Host = target.Host,
Port = target.Port,
Credentials = new NetworkCredential(
target.UserInfo,
password
)
};
log.InfoFormat("FTP - Connecting to {0}", target);
_ftp.Connect();
log.InfoFormat("FTP - Changing dir to {0}", target.LocalPath);
_ftp.SetWorkingDirectory(target.LocalPath);
}
/// <summary>
/// Initialize a new instance/
/// </summary>
/// <param name="url">Configured url.</param>
/// <param name="options">Configured options. cannot be null.</param>
public AlternativeFtpBackend(string url, Dictionary <string, string> options)
{
_accepAllCertificates = CoreUtility.ParseBoolOption(options, OPTION_ACCEPT_ANY_CERTIFICATE);
string certHash;
options.TryGetValue(OPTION_ACCEPT_SPECIFIED_CERTIFICATE, out certHash);
_validHashes = certHash == null ? null : certHash.Split(new[] { ",", ";" }, StringSplitOptions.RemoveEmptyEntries);
var u = new Utility.Uri(url);
u.RequireHost();
if (!string.IsNullOrEmpty(u.Username))
{
_userInfo = new System.Net.NetworkCredential();
_userInfo.UserName = u.Username;
if (!string.IsNullOrEmpty(u.Password))
{
_userInfo.Password = u.Password;
}
else if (options.ContainsKey("auth-password"))
{
_userInfo.Password = options["auth-password"];
}
}
else
{
if (options.ContainsKey("auth-username"))
{
_userInfo = new System.Net.NetworkCredential();
_userInfo.UserName = options["auth-username"];
if (options.ContainsKey("auth-password"))
{
_userInfo.Password = options["auth-password"];
}
}
}
//Bugfix, see http://connect.microsoft.com/VisualStudio/feedback/details/695227/networkcredential-default-constructor-leaves-domain-null-leading-to-null-object-reference-exceptions-in-framework-code
if (_userInfo != null)
{
_userInfo.Domain = "";
}
_url = u.SetScheme("ftp").SetQuery(null).SetCredentials(null, null).ToString();
_url = Duplicati.Library.Utility.Utility.AppendDirSeparator(_url, "/");
_listVerify = !CoreUtility.ParseBoolOption(options, "disable-upload-verify");
// Process the aftp-data-connection-type option
string dataConnectionTypeString;
if (!options.TryGetValue(CONFIG_KEY_AFTP_DATA_CONNECTION_TYPE, out dataConnectionTypeString) || string.IsNullOrWhiteSpace(dataConnectionTypeString))
{
dataConnectionTypeString = null;
}
if (dataConnectionTypeString == null || !Enum.TryParse(dataConnectionTypeString, true, out _dataConnectionType))
{
_dataConnectionType = DEFAULT_DATA_CONNECTION_TYPE;
}
// Process the aftp-encryption-mode option
string encryptionModeString;
if (!options.TryGetValue(CONFIG_KEY_AFTP_ENCRYPTION_MODE, out encryptionModeString) || string.IsNullOrWhiteSpace(encryptionModeString))
{
encryptionModeString = null;
}
if (encryptionModeString == null || !Enum.TryParse(encryptionModeString, true, out _encryptionMode))
{
_encryptionMode = DEFAULT_ENCRYPTION_MODE;
}
// Process the aftp-ssl-protocols option
string sslProtocolsString;
if (!options.TryGetValue(CONFIG_KEY_AFTP_SSL_PROTOCOLS, out sslProtocolsString) || string.IsNullOrWhiteSpace(sslProtocolsString))
{
sslProtocolsString = null;
}
if (sslProtocolsString == null || !Enum.TryParse(sslProtocolsString, true, out _sslProtocols))
{
_sslProtocols = DEFAULT_SSL_PROTOCOLS;
}
}
public string BuildFullPath(string host, int port, string initialPath, string user, string password, FtpEncryptionMode encryption)
{
var connectionSettings = new ConnectionSettings()
{
EncryptionMode = encryption,
Username = user,
Password = password
};
string scheme = "ftp";
string fullPath = scheme + "://" + connectionSettings.ToString() + ConnectionSettings.SettingsPostFix + host;
if (port != GetDefaultPort(encryption))
{
fullPath += ":" + port;
}
if (!initialPath.StartsWith("/"))
{
initialPath = "/" + initialPath;
}
fullPath += initialPath;
return(fullPath);
}
private static bool IsConnectedButFtpsFailure(List <FtpEncryptionMode> blacklistedEncryptions, FtpEncryptionMode encryption, bool failedFTPS)
{
// catch error starting explicit FTPS and don't try any more secure connections
if (failedFTPS)
{
if (encryption == FtpEncryptionMode.Auto || encryption == FtpEncryptionMode.Explicit)
{
// ban explicit FTPS
blacklistedEncryptions.Add(encryption);
return(true);
}
}
return(false);
}
private static bool IsFtpsFailure(List <FtpEncryptionMode> blacklistedEncryptions, FtpEncryptionMode encryption, Exception ex)
{
// catch error starting explicit FTPS and don't try any more secure connections
if (encryption == FtpEncryptionMode.Auto || encryption == FtpEncryptionMode.Explicit)
{
if (ex is FtpSecurityNotAvailableException)
{
// ban explicit FTPS
blacklistedEncryptions.Add(encryption);
return(true);
}
}
// catch error starting implicit FTPS and don't try any more secure connections
if (encryption == FtpEncryptionMode.Implicit)
{
if ((ex is SocketException && (ex as SocketException).SocketErrorCode == SocketError.ConnectionRefused) ||
ex is TimeoutException)
{
// ban implicit FTPS
blacklistedEncryptions.Add(encryption);
return(true);
}
}
return(false);
}
/// <summary>
/// Initialize a new instance/
/// </summary>
/// <param name="url">Configured url.</param>
/// <param name="options">Configured options. cannot be null.</param>
public AlternativeFtpBackend(string url, Dictionary<string, string> options)
{
_accepAllCertificates = CoreUtility.ParseBoolOption(options, OPTION_ACCEPT_ANY_CERTIFICATE);
string certHash;
options.TryGetValue(OPTION_ACCEPT_SPECIFIED_CERTIFICATE, out certHash);
_validHashes = certHash == null ? null : certHash.Split(new[] { ",", ";" }, StringSplitOptions.RemoveEmptyEntries);
var u = new Utility.Uri(url);
u.RequireHost();
if (!string.IsNullOrEmpty(u.Username))
{
_userInfo = new System.Net.NetworkCredential();
_userInfo.UserName = u.Username;
if (!string.IsNullOrEmpty(u.Password))
_userInfo.Password = u.Password;
else if (options.ContainsKey("auth-password"))
_userInfo.Password = options["auth-password"];
}
else
{
if (options.ContainsKey("auth-username"))
{
_userInfo = new System.Net.NetworkCredential();
_userInfo.UserName = options["auth-username"];
if (options.ContainsKey("auth-password"))
_userInfo.Password = options["auth-password"];
}
}
//Bugfix, see http://connect.microsoft.com/VisualStudio/feedback/details/695227/networkcredential-default-constructor-leaves-domain-null-leading-to-null-object-reference-exceptions-in-framework-code
if (_userInfo != null)
_userInfo.Domain = "";
_url = u.SetScheme("ftp").SetQuery(null).SetCredentials(null, null).ToString();
if (!_url.EndsWith("/"))
{
_url += "/";
}
_listVerify = !CoreUtility.ParseBoolOption(options, "disable-upload-verify");
// Process the aftp-data-connection-type option
string dataConnectionTypeString;
if (!options.TryGetValue(CONFIG_KEY_AFTP_DATA_CONNECTION_TYPE, out dataConnectionTypeString) || string.IsNullOrWhiteSpace(dataConnectionTypeString))
{
dataConnectionTypeString = null;
}
if (dataConnectionTypeString == null || !Enum.TryParse(dataConnectionTypeString, true, out _dataConnectionType))
{
_dataConnectionType = DEFAULT_DATA_CONNECTION_TYPE;
}
// Process the aftp-encryption-mode option
string encryptionModeString;
if (!options.TryGetValue(CONFIG_KEY_AFTP_ENCRYPTION_MODE, out encryptionModeString) || string.IsNullOrWhiteSpace(encryptionModeString))
{
encryptionModeString = null;
}
if (encryptionModeString == null || !Enum.TryParse(encryptionModeString, true, out _encryptionMode))
{
_encryptionMode = DEFAULT_ENCRYPTION_MODE;
}
// Process the aftp-ssl-protocols option
string sslProtocolsString;
if (!options.TryGetValue(CONFIG_KEY_AFTP_SSL_PROTOCOLS, out sslProtocolsString) || string.IsNullOrWhiteSpace(sslProtocolsString))
{
sslProtocolsString = null;
}
if (sslProtocolsString == null || !Enum.TryParse(sslProtocolsString, true, out _sslProtocols))
{
_sslProtocols = DEFAULT_SSL_PROTOCOLS;
}
}