async Task IServer.DownloadFile(SrvDownloadRequest request, ITcpOp tcpOp)
{
_log.Info(request.TrackingId, request);
validate(request);
var user = await getUser(request);
authenticate(user, request);
var srcPath = makeFilePath(user, request.FileName);
if (!File.Exists(srcPath))
{
throw new ApplicationException($"Can't find '{request.FileName}'");
}
var file = File.Open(srcPath, FileMode.Open, FileAccess.Read);
var response = makeResponse <SrvDownloadResponse>(request);
response.FileSize = file.Length;
await tcpOp.Write(response);
await tcpOp.WriteBytesFrom(file, file.Length);
file.Close();
_log.Info(request.TrackingId, response);
}
async Task IServer.UploadFile(SrvUploadRequest request, ITcpOp tcpOp)
{
_log.Info(request.TrackingId, request);
validate(request);
var user = await getUser(request);
authenticate(user, request);
var dstPath = makeFilePath(user, request.FileName);
Directory.CreateDirectory(user.Folder);
var file = File.Open(dstPath, FileMode.Create);
var response = makeResponse <SrvUploadResponse>(request);
await tcpOp.Write(response);
await tcpOp.ReadBytesTo(file, request.FileSize);
file.Flush();
file.Close();
await tcpOp.Write(response);
_log.Info(request.TrackingId, response);
}
async Task IServer.Ping(SrvPingRequest request, ITcpOp tcpOp)
{
validate(request);
var user = await getUser(request);
authenticate(user, request);
var response = makeResponse <SrvPongResponse>(request);
await tcpOp.Write(response);
}
async Task IServer.ListFiles(SrvListRequest request, ITcpOp tcpOp)
{
_log.Info(request.TrackingId, request);
validate(request);
var user = await getUser(request);
authenticate(user, request);
Directory.CreateDirectory(user.Folder);
var fileList = Directory
.GetFiles(user.Folder)
.Select(path => Path.GetFileName(path))
.ToArray();
var response = makeResponse <SrvListResponse>(request);
response.FileNames = fileList;
await tcpOp.Write(response);
_log.Info(request.TrackingId, response);
}
async Task IServer.DeleteFile(SrvDeleteRequest request, ITcpOp tcpOp)
{
_log.Info(request.TrackingId, request);
validate(request);
var user = await getUser(request);
authenticate(user, request);
var path = makeFilePath(user, request.FileName);
if (!File.Exists(path))
{
throw new ApplicationException($"'{request.FileName}' is not found");
}
File.Delete(path);
var response = makeResponse <SrvDeleteResponse>(request);
await tcpOp.Write(response);
_log.Info(request.TrackingId, response);
}
private async Task <bool> dispathRequest(SrvRequest request, string jRequest, ITcpOp tcpOp)
{
try
{
switch (request.Command)
{
case SrvRequest.PING:
var pingRequest = jRequest.Parse <SrvPingRequest>();
await _server.Ping(pingRequest, tcpOp);
break;
case SrvRequest.LIST:
var listRequest = jRequest.Parse <SrvListRequest>();
await _server.ListFiles(listRequest, tcpOp);
break;
case SrvRequest.UPLOAD:
var uploadRequest = jRequest.Parse <SrvUploadRequest>();
await _server.UploadFile(uploadRequest, tcpOp);
break;
case SrvRequest.DOWNLOAD:
var downloadRequest = jRequest.Parse <SrvDownloadRequest>();
await _server.DownloadFile(downloadRequest, tcpOp);
break;
case SrvRequest.DELETE:
var deleteRequest = jRequest.Parse <SrvDeleteRequest>();
await _server.DeleteFile(deleteRequest, tcpOp);
break;
default:
throw new IOException($"Unknown command: {request.Command}");
}
return(true);
}
catch (Exception ex)
{
_log.Error(request.TrackingId, ex);
await tcpOp.Write(new SrvResponse {
TrackingId = request.TrackingId,
Error = ex.Message
});
return(false);
}
}
