public async Task <byte[]> GetAsync(Uri url)
{
#if DEBUG
var cached = TestingEnvCore.GetUrlBytes(url);
if (cached != null)
{
return(cached);
}
#endif
try
{
using (var webClient = new WebClient())
{
var result = await webClient.DownloadDataTaskAsync(url);
#if DEBUG
TestingEnvCore.StoreUrlBytes(url, null, result);
#endif
return(result);
}
}
catch (Exception e)
{
_logger.Exception(e);
return(null);
}
}
public async Task <byte[]> PostAsync(Uri url, string parameters)
{
#if DEBUG
var cached = TestingEnvCore.GetUrlBytes(url, parameters);
if (cached != null)
{
return(cached);
}
#endif
try
{
using (var webClient = new WebClient())
{
webClient.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
var data = Encoding.Default.GetBytes(parameters);
var result = await webClient.UploadDataTaskAsync(url, data);
#if DEBUG
TestingEnvCore.StoreUrlBytes(url, parameters, result);
#endif
return(result);
}
}
catch (Exception e)
{
_logger.Exception(e);
return(null);
}
}
public async Task <string> GetStringAsync(Uri url, CancellationToken cancellationToken, Dictionary <HttpRequestHeader, string> headers = null)
{
#if DEBUG
var cached = TestingEnvCore.GetUrlString(url);
if (cached != null)
{
return(cached);
}
#endif
try
{
using (var webClient = new WebClient())
using (cancellationToken.Register(() => webClient.CancelAsync()))
{
AppendHeaders(webClient, headers);
webClient.Encoding = Encoding.UTF8;
var result = await webClient.DownloadStringTaskAsync(url);
#if DEBUG
TestingEnvCore.StoreUrlString(url, result);
#endif
return(result);
}
}
catch (WebException e) when(e.Status == WebExceptionStatus.RequestCanceled)
{
// Ignore this exception
return(null);
}
catch (Exception e)
{
_logger.Exception(e);
return(null);
}
}