private async Task <string> Read()
{
var contentLength = 0;
var headerBytes = await input.ReadToSeparatorAsync(separator);
while (headerBytes.Length != 0)
{
var headerLine = Encoding.ASCII.GetString(headerBytes);
var position = headerLine.IndexOf(": ");
if (position >= 0)
{
var name = headerLine.Substring(0, position);
var value = headerLine.Substring(position + 2);
if (string.Equals(name, "Content-Length", StringComparison.Ordinal))
{
int.TryParse(value, out contentLength);
}
}
headerBytes = await input.ReadToSeparatorAsync(separator);
}
if (contentLength == 0)
{
return("");
}
var contentBytes = await input.ReadBytesAsync(contentLength);
return(Encoding.UTF8.GetString(contentBytes));
}