private async Task <T> DoRequestAsync <T>(IVPNRestRequest <T> req, CancellationToken cancellationToken, int timeoutMs = Consts.DefaultTimeout)
{
try
{
__HostIPs.GetHostsInfo(out IPAddress alternateHost, out List <IPAddress> alternateHostIPs);
// do API call
HttpResponseEx ret = await req.RequestAsync(alternateHostIPs, alternateHost, cancellationToken, timeoutMs);
var httpResp = ret.HttpResponse;
// deserialize response
//
// Here we are not checking HTTP code from response.
// There is a chance to receive API response with HTTPRetCode != OK (200). 'ResponseWithStatus' object
T respObj;
try
{
respObj = JsonConvert.DeserializeObject <T>(httpResp.Data);
}
catch (Exception ex)
{
Logging.Info($"[ERROR] (API) Response deserialization error: {ex.Message} (HTTP={(int)httpResp.HttpRetCode}-{httpResp.HttpRetCode})");
throw new IVPNRestRequestApiException(httpResp.HttpRetCode);
}
//if (respObj == default)
if (respObj == null || respObj.Equals(default))
/// <summary>
/// Downloads the specified file in <paramref name="info"/>.
/// </summary>
/// <param name="target">The target.</param>
/// <param name="info">The extended response information.</param>
private static void DownloadImpl(this Stream target, HttpResponseEx info)
{
target.Position = 0;
info.Response.Clear();
info.Response.ContentType = info.ContentType;
info.Response.AddHeader("content-disposition", info.ContentDisposition);
info.Response.BinaryWrite(target.AsByteArray());
info.Response.Flush();
info.Response.End();
}
/// <summary>
/// Downloads the specified data with the name specified in <paramref name="fileName"/>.
/// </summary>
/// <param name="target">Data to download.</param>
/// <param name="fileName">Name of the file to download.</param>
/// <param name="response">The response to use.</param>
public static void Download(this Stream target, string fileName, HttpResponse response)
{
SentinelHelper.ArgumentNull(target);
SentinelHelper.ArgumentNull(fileName);
//SentinelHelper.IsFalse(FileHelper.IsValidFileName(fileName), "Filename does not have a valid name");
HttpResponseEx info = new HttpResponseEx
{
Response = response,
ContentType = HttpResponseEx.GetMimeMapping(Path.GetExtension(fileName).Replace(".", string.Empty)),
ContentDisposition = $"attachment; filename={fileName}"
};
target.DownloadImpl(info);
}
