/// <summary>
/// Attempts to log the user in to the FTP Server
/// </summary>
/// <returns></returns>
public async Task LoginAsync()
{
if (IsConnected)
{
await LogOutAsync();
}
string username = Configuration.Username.IsNullOrWhiteSpace()
? Constants.ANONYMOUS_USER
: Configuration.Username;
await ControlStream.ConnectAsync();
var usrResponse = await ControlStream.SendCommandAsync(new FtpCommandEnvelope
{
FtpCommand = FtpCommand.USER,
Data = username
});
await BailIfResponseNotAsync(usrResponse, FtpStatusCode.SendUserCommand, FtpStatusCode.SendPasswordCommand, FtpStatusCode.LoggedInProceed);
var passResponse = await ControlStream.SendCommandAsync(new FtpCommandEnvelope
{
FtpCommand = FtpCommand.PASS,
Data = username != Constants.ANONYMOUS_USER ? Configuration.Password : string.Empty
});
await BailIfResponseNotAsync(passResponse, FtpStatusCode.LoggedInProceed);
IsAuthenticated = true;
if (ControlStream.IsEncrypted)
{
await ControlStream.SendCommandAsync(new FtpCommandEnvelope
{
FtpCommand = FtpCommand.PBSZ,
Data = "0"
});
await ControlStream.SendCommandAsync(new FtpCommandEnvelope
{
FtpCommand = FtpCommand.PROT,
Data = "P"
});
}
Features = await DetermineFeaturesAsync();
directoryProvider = DetermineDirectoryProvider();
await EnableUTF8IfPossible();
await SetTransferMode(Configuration.Mode, Configuration.ModeSecondType);
if (Configuration.BaseDirectory != "/")
{
await CreateDirectoryAsync(Configuration.BaseDirectory);
}
await ChangeWorkingDirectoryAsync(Configuration.BaseDirectory);
}