private void Initialize()
{
if (_file.Size.DefaultValue > MaxFileSize)
{
throw new OverflowException("Not supported file size.", new Exception($"The maximum file size is {MaxFileSize} byte. Currently file size is {_file.Size.DefaultValue} byte."));
}
var boundary = Guid.NewGuid();
//// Boundary request building.
var boundaryBuilder = new StringBuilder();
boundaryBuilder.AppendFormat("------{0}\r\n", boundary);
boundaryBuilder.AppendFormat("Content-Disposition: form-data; name=\"file\"; filename=\"{0}\"\r\n", HttpUtility.UrlEncode(_file.Name));
boundaryBuilder.AppendFormat("Content-Type: {0}\r\n\r\n", ConstSettings.GetContentType(_file.Extension));
var endBoundaryBuilder = new StringBuilder();
endBoundaryBuilder.AppendFormat("\r\n------{0}--\r\n", boundary);
_endBoundaryRequest = Encoding.UTF8.GetBytes(endBoundaryBuilder.ToString());
var boundaryRequest = Encoding.UTF8.GetBytes(boundaryBuilder.ToString());
var url = new Uri($"{_shard.Url}?cloud_domain=2&{_account.LoginName}");
_request = (HttpWebRequest)WebRequest.Create(url.OriginalString);
_request.Proxy = _account.Proxy;
_request.CookieContainer = _account.Cookies;
_request.Method = "POST";
_request.ContentLength = _file.Size.DefaultValue + boundaryRequest.LongLength + _endBoundaryRequest.LongLength;
//_request.SendChunked = true;
_request.Referer = $"{ConstSettings.CloudDomain}/home/{HttpUtility.UrlEncode(_file.Path)}";
_request.Headers.Add("Origin", ConstSettings.CloudDomain);
_request.Host = url.Host;
_request.ContentType = $"multipart/form-data; boundary=----{boundary}";
_request.Accept = "*/*";
_request.UserAgent = ConstSettings.UserAgent;
_request.AllowWriteStreamBuffering = false;
//_request.GetRequestStream();
_task = Task.Factory.FromAsync(
_request.BeginGetRequestStream,
asyncResult =>
_request.EndGetRequestStream(asyncResult),
null);
_task = _task.ContinueWith
(
(t, m) =>
{
try
{
var token = (CancellationToken)m;
var s = t.Result;
WriteBytesInStream(boundaryRequest, s, token, boundaryRequest.Length);
}
catch (Exception)
{
return((Stream)null);
}
return(t.Result);
},
_cancelToken.Token, TaskContinuationOptions.OnlyOnRanToCompletion);
}
/// <summary>
/// Upload file on the server asynchronously, if not use async await will be use synchronously operation.
/// </summary>
/// <param name="file">File info.</param>
/// <param name="destinationPath">Destination path on the server.</param>
/// <returns>True or false result of the operation.</returns>
public async Task <bool> UploadFileAsync(FileInfo file, string destinationPath)
{
var maxFileSize = 2L * 1024L * 1024L * 1024L;
if (file.Length > maxFileSize)
{
throw new OverflowException("Not supported file size.", new Exception(string.Format("The maximum file size is {0} byte. Currently file size is {1} byte.", maxFileSize, file.Length)));
}
this.CheckAuth();
var shard = this.GetShardInfo(ShardType.Upload);
var boundary = Guid.NewGuid();
//// Boundary request building.
var boundaryBuilder = new StringBuilder();
boundaryBuilder.AppendFormat("------{0}\r\n", boundary);
boundaryBuilder.AppendFormat("Content-Disposition: form-data; name=\"file\"; filename=\"{0}\"\r\n", file.Name);
boundaryBuilder.AppendFormat("Content-Type: {0}\r\n\r\n", ConstSettings.GetContentType(file.Extension));
var endBoundaryBuilder = new StringBuilder();
endBoundaryBuilder.AppendFormat("\r\n------{0}--\r\n", boundary);
var endBoundaryRequest = Encoding.UTF8.GetBytes(endBoundaryBuilder.ToString());
var boundaryRequest = Encoding.UTF8.GetBytes(boundaryBuilder.ToString());
var url = new Uri(string.Format("{0}?cloud_domain=2&{1}", shard.Url, this.Account.LoginName));
var request = (HttpWebRequest)WebRequest.Create(url.OriginalString);
request.Proxy = this.Account.Proxy;
request.CookieContainer = this.Account.Cookies;
request.Method = "POST";
request.ContentLength = file.Length + boundaryRequest.LongLength + endBoundaryRequest.LongLength;
request.Referer = string.Format("{0}/home{1}", ConstSettings.CloudDomain, destinationPath);
request.Headers.Add("Origin", ConstSettings.CloudDomain);
request.Host = url.Host;
request.ContentType = string.Format("multipart/form-data; boundary=----{0}", boundary.ToString());
request.Accept = "*/*";
request.UserAgent = ConstSettings.UserAgent;
request.AllowWriteStreamBuffering = false;
var task = Task.Factory.FromAsync(request.BeginGetRequestStream, asyncResult => request.EndGetRequestStream(asyncResult), (object)null);
return(await task.ContinueWith((t) =>
{
try
{
using (var s = t.Result)
{
this.WriteBytesInStream(boundaryRequest, s);
this.WriteBytesInStream(file, s, true);
this.WriteBytesInStream(endBoundaryRequest, s);
using (var response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK)
{
var resp = ReadResponseAsText(response).Split(new char[] { ';' });
var hashResult = resp[0];
var sizeResult = long.Parse(resp[1].Replace("\r\n", string.Empty));
this.AddFileInCloud(new File()
{
Name = file.Name,
FulPath = destinationPath + file.Name,
Hash = hashResult,
Size = sizeResult
});
}
else
{
throw new Exception();
}
}
}
return true;
}
finally
{
if (t.Result != null)
{
t.Result.Dispose();
}
}
}));
}