bool IFtpModule.HandleRequest(FtpRequest request, ClientData client, FtpHandler handler, Server server)
{
if (!client.Resources.TryGetResource <FtpData>(out var ftpData))
{
client.Resources.SetResource(new FtpData());
}
if (request.Command == FtpRequestCommands.PASV)
{
handler.QueueFtpResponse(server, client, this.EnablePassiveMode(request, ftpData, client));
return(true);
}
else if (request.Command == FtpRequestCommands.PORT)
{
handler.QueueFtpResponse(server, client, this.EnableActiveMode(request, ftpData));
return(true);
}
else if (request.Command == FtpRequestCommands.TYPE)
{
handler.QueueFtpResponse(server, client, this.HandleTypeArguments(request, ftpData));
return(true);
}
return(false);
}
bool IFtpModule.HandleRequest(FtpRequest request, ClientData client, FtpHandler handler, Server server)
{
if (!client.Resources.TryGetResource <AuthenticationData>(out var authData))
{
authData = new AuthenticationData();
client.Resources.SetResource(authData);
}
if (request.Command == FtpRequestCommands.USER)
{
authData.Username = request.Arguments[0];
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.NeedPassword, Message = "Username OK. Need password!"
});
return(true);
}
else if (request.Command == FtpRequestCommands.PASS)
{
if (!string.IsNullOrWhiteSpace(authData.Username))
{
authData.Password = request.Arguments[0];
if (this.ValidateAuthentication.Invoke(authData))
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.UserLoggedIn, Message = "User logged in!"
});
authData.Authenticated = true;
}
else
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.InvalidUsernameOrPassword, Message = "Invalid username or password!"
});
}
}
else
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.NotLoggedIn, Message = "Username not present. Please provide username!"
});
}
return(true);
}
else if (!authData.Authenticated)
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.NotLoggedIn, Message = "Please log in before issuing other commands!"
});
return(true);
}
return(false);
}
bool IFtpModule.HandleRequest(FtpRequest request, ClientData client, FtpHandler handler, Server server)
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.CommandNotImplemented, Message = "Command not implemented"
});
return(true);
}
bool IFtpModule.HandleRequest(FtpRequest request, ClientData client, FtpHandler handler, Server server)
{
if (!client.Resources.TryGetResource <FtpData>(out var ftpData))
{
client.Resources.SetResource(new FtpData());
}
if (request.Command == FtpRequestCommands.STOR)
{
if (!ftpData.TransferDetails.ConnectionOpen)
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.FileStatusOkay, Message = "Opening data connection"
});
ftpData.OpenDataConnection();
}
handler.QueueFtpResponse(server, client, this.StoreFile(request, ftpData));
ftpData.CloseDataConnection();
return(true);
}
else if (request.Command == FtpRequestCommands.DELE)
{
handler.QueueFtpResponse(server, client, this.RemoveFile(request, ftpData));
return(true);
}
else if (request.Command == FtpRequestCommands.RETR)
{
if (!ftpData.TransferDetails.ConnectionOpen)
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.FileStatusOkay, Message = "Opening data connection"
});
ftpData.OpenDataConnection();
}
handler.QueueFtpResponse(server, client, this.RetrieveFile(request, ftpData));
ftpData.CloseDataConnection();
return(true);
}
return(false);
}
bool IFtpModule.HandleRequest(FtpRequest request, ClientData client, FtpHandler handler, Server server)
{
if (request.Command == FtpRequestCommands.QUIT)
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.ServiceClosingControlConnection, Message = "Service closing control connection"
});
return(true);
}
return(false);
}
bool IFtpModule.HandleRequest(FtpRequest request, ClientData client, FtpHandler handler, Server server)
{
if (request.Command == FtpRequestCommands.SYST)
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.NAMESystemType, Message = "MTSC Webserver " + System.Reflection.Assembly.GetEntryAssembly().GetName().Version
});
return(true);
}
return(false);
}
bool IFtpModule.HandleRequest(FtpRequest request, ClientData client, FtpHandler handler, Server server)
{
if (!Directory.Exists(Path.GetFullPath(this.RootPath)))
{
server.Log($"Root path [{Path.GetFullPath(this.RootPath)}] doesn't exist! Creating it now!");
Directory.CreateDirectory(Path.GetFullPath(this.RootPath));
}
if (!client.Resources.TryGetResource <FtpData>(out var ftpData))
{
client.Resources.SetResource(new FtpData {
CurrentDirectory = Path.GetFullPath(this.RootPath)
});
}
if (string.IsNullOrEmpty(ftpData.CurrentDirectory))
{
ftpData.CurrentDirectory = Path.GetFullPath(this.RootPath);
}
if (request.Command == FtpRequestCommands.MKD)
{
handler.QueueFtpResponse(server, client, this.CreateDirectory(request, ftpData));
return(true);
}
else if (request.Command == FtpRequestCommands.PWD)
{
handler.QueueFtpResponse(server, client, this.PrintCurrentDirectory(request, ftpData));
return(true);
}
else if (request.Command == FtpRequestCommands.CWD)
{
handler.QueueFtpResponse(server, client, this.ChangeCurrentDirectory(request, ftpData));
return(true);
}
else if (request.Command == FtpRequestCommands.CDUP)
{
handler.QueueFtpResponse(server, client, this.ChangeToParentDirectory(request, ftpData));
return(true);
}
else if (request.Command == FtpRequestCommands.RMD)
{
handler.QueueFtpResponse(server, client, this.RemoveDirectory(request, ftpData));
return(true);
}
else if (request.Command == FtpRequestCommands.LIST)
{
if (!ftpData.TransferDetails.ConnectionOpen)
{
handler.QueueFtpResponse(server, client, new FtpResponse {
StatusCode = FtpResponseCodes.FileStatusOkay, Message = "Opening data connection"
});
ftpData.OpenDataConnection();
}
handler.QueueFtpResponse(server, client, this.ListFolder(request, ftpData));
ftpData.CloseDataConnection();
return(true);
}
return(false);
}