/// <summary>
/// Executes asynchronous request and returns wrapped object for the http response with headers, content ... etc
/// </summary>
/// <returns></returns>
public Task <ResponseRichResult> ExecuteRichAsync()
{
var task = this.ExecuteWebResposeAsync()
.ContinueWith(t =>
{
using (var response = t.Result)
using (var stream = response.GetResponseStream())
using (var ms = new MemoryStream())
{
var buffer = new byte[16 * 1024];
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
ms.Write(buffer, 0, read);
}
var headers = (response.Headers?.AllKeys ?? new String[0])
.Select(x => new { key = x, value = response.Headers[x] })
.ToDictionary(x => x.key, x => x.value);
var cookies = response.Cookies.OfType <Cookie>().ToList();
return(ResponseRichResult.Create(statusCode: response.StatusCode, bytes: ms.ToArray(), headers: headers, cookies: cookies, charset: response.CharacterSet));
}
});
return(task);
}
private static String GetMimeType(ResponseRichResult httpResult)
{
var format = httpResult.GetHeaderValue("Content-Type").Split(';')[0];
if (httpResult.HasHeader("Content-Disposition"))
{
var contentDispositionStr = httpResult.GetHeaderValue("Content-Disposition");
// for cases when dublicate header is send (example: https://uodo.gov.pl/pl/file/701) which is interpreted by the .net as comma separated header values (https://tools.ietf.org/html/rfc7230#section-3.2.2)
// we ca try to get single value from the aggregated header values, otherwise content disposition is throwing exception during creation
contentDispositionStr = contentDispositionStr.Split(',').Distinct().Single();
var fileNameIndex = contentDispositionStr.IndexOf("filename=");
if (fileNameIndex >= 0)
{
var before = contentDispositionStr.Substring(0, fileNameIndex);
var fileNameContent = contentDispositionStr.Substring(fileNameIndex + "filename=".Length).Replace(" ", "_");
contentDispositionStr = $"{before}filename={fileNameContent}";
}
contentDispositionStr = contentDispositionStr.EncodeNonAsciiCharacters();
var contentDisposition = new ContentDisposition(contentDispositionStr);
var fileName = contentDisposition.FileName;
format = MimeTypesMap.GetMimeType(fileName);
}
return(format);
}
