//------------------------------------------------------------------------------------------------
internal async Task <TUSHttpResponse> Download(string URL)
{
var client = new TUSHttpClient();
var request = new TUSHttpRequest(URL);
request.Method = "GET";
TUSHttpResponse response = null;
try
{
response = await client.PerformRequestAsync(request);
} catch (WebException exception)
{
Debug.Log(exception);
}
return(response);
}
//------------------------------------------------------------------------------------------------
internal async Task <TUSHttpResponse> Head(string URL)
{
var client = new TUSHttpClient();
var request = new TUSHttpRequest(URL);
request.Method = "HEAD";
request.AddHeader("Tus-Resumable", "1.0.0");
try
{
var response = await client.PerformRequestAsync(request);
return(response);
}
catch (TUSException ex)
{
var response = new TUSHttpResponse();
response.StatusCode = ex.statuscode;
return(response);
}
}
public async Task <TUSHttpResponse> PerformRequestAsync(TUSHttpRequest req)
{
try
{
var instream = new MemoryStream(req.BodyBytes);
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(req.URL);
request.AutomaticDecompression = DecompressionMethods.GZip;
request.Timeout = System.Threading.Timeout.Infinite;
request.ReadWriteTimeout = System.Threading.Timeout.Infinite;
request.Method = req.Method;
request.KeepAlive = false;
request.Proxy = this.Proxy;
try
{
ServicePoint currentServicePoint = request.ServicePoint;
currentServicePoint.Expect100Continue = false;
}
catch (PlatformNotSupportedException)
{
//expected on .net core 2.0 with systemproxy
//fixed by https://github.com/dotnet/corefx/commit/a9e01da6f1b3a0dfbc36d17823a2264e2ec47050
//should work in .net core 2.2
}
//SEND
req.FireUploading(0, 0);
byte[] buffer = new byte[4096];
long contentlength = 0;
int byteswritten = 0;
long totalbyteswritten = 0;
contentlength = (long)instream.Length;
request.AllowWriteStreamBuffering = false;
request.ContentLength = instream.Length;
foreach (var header in req.Headers)
{
switch (header.Key)
{
case "Content-Length":
request.ContentLength = long.Parse(header.Value);
break;
case "Content-Type":
request.ContentType = header.Value;
break;
default:
request.Headers.Add(header.Key, header.Value);
break;
}
}
if (req.BodyBytes.Length > 0)
{
using (System.IO.Stream requestStream = request.GetRequestStream())
{
instream.Seek(0, SeekOrigin.Begin);
byteswritten = instream.Read(buffer, 0, buffer.Length);
while (byteswritten > 0)
{
totalbyteswritten += byteswritten;
req.FireUploading(totalbyteswritten, contentlength);
requestStream.Write(buffer, 0, byteswritten);
byteswritten = instream.Read(buffer, 0, buffer.Length);
req.cancelToken.ThrowIfCancellationRequested();
}
}
}
req.FireDownloading(0, 0);
var responseWeb = await request.GetResponseAsync();
HttpWebResponse response = (HttpWebResponse)responseWeb;
contentlength = 0;
contentlength = (long)response.ContentLength;
//contentlength=0 for gzipped responses due to .net bug
buffer = new byte[16 * 1024];
var outstream = new MemoryStream();
using (Stream responseStream = response.GetResponseStream())
{
int bytesread = 0;
long totalbytesread = 0;
bytesread = responseStream.Read(buffer, 0, buffer.Length);
while (bytesread > 0)
{
totalbytesread += bytesread;
req.FireDownloading(totalbytesread, contentlength);
outstream.Write(buffer, 0, bytesread);
bytesread = responseStream.Read(buffer, 0, buffer.Length);
req.cancelToken.ThrowIfCancellationRequested();
}
}
TUSHttpResponse resp = new TUSHttpResponse();
resp.ResponseBytes = outstream.ToArray();
resp.StatusCode = response.StatusCode;
foreach (string headerName in response.Headers.Keys)
{
resp.Headers[headerName] = response.Headers[headerName];
}
return(resp);
}
catch (OperationCanceledException cancelEx)
{
TUSException rex = new TUSException(cancelEx);
throw rex;
}
catch (WebException ex)
{
TUSException rex = new TUSException(ex);
throw rex;
}
}
