protected internal override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request,
CancellationToken cancellationToken)
{
CheckDisposed();
SetOperationStarted();
HttpResponseMessage response;
try
{
await ConfigureRequest(request).ConfigureAwait(false);
Task <HttpResponseMessage> responseTask = DiagnosticsHandler.IsEnabled() ?
_diagnosticsPipeline.SendAsync(request, cancellationToken) :
_handlerToFilter.SendAsync(request, cancellationToken);
response = await responseTask.ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
// Convert back to the expected exception type
throw new HttpRequestException(SR.net_http_client_execution_error, ex);
}
ProcessResponse(response);
return(response);
}
public HttpClientHandler()
{
if (UseManagedHandler)
{
_managedHandler = new ManagedHandler();
_diagnosticsHandler = new DiagnosticsHandler(_managedHandler);
}
else
{
_winHttpHandler = new WinHttpHandler();
_diagnosticsHandler = new DiagnosticsHandler(_winHttpHandler);
// Adjust defaults to match current .NET Desktop HttpClientHandler (based on HWR stack).
AllowAutoRedirect = true;
AutomaticDecompression = HttpHandlerDefaults.DefaultAutomaticDecompression;
UseProxy = true;
UseCookies = true;
CookieContainer = new CookieContainer();
_winHttpHandler.DefaultProxyCredentials = null;
_winHttpHandler.ServerCredentials = null;
// The existing .NET Desktop HttpClientHandler based on the HWR stack uses only WinINet registry
// settings for the proxy. This also includes supporting the "Automatic Detect a proxy" using
// WPAD protocol and PAC file. So, for app-compat, we will do the same for the default proxy setting.
_winHttpHandler.WindowsProxyUsePolicy = WindowsProxyUsePolicy.UseWinInetProxy;
_winHttpHandler.Proxy = null;
// Since the granular WinHttpHandler timeout properties are not exposed via the HttpClientHandler API,
// we need to set them to infinite and allow the HttpClient.Timeout property to have precedence.
_winHttpHandler.ReceiveHeadersTimeout = Timeout.InfiniteTimeSpan;
_winHttpHandler.ReceiveDataTimeout = Timeout.InfiniteTimeSpan;
_winHttpHandler.SendTimeout = Timeout.InfiniteTimeSpan;
}
}
protected internal override Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
if (DiagnosticsHandler.IsEnabled())
{
return(_diagnosticsPipeline.SendAsync(request, cancellationToken));
}
return(_curlHandler.SendAsync(request, cancellationToken));
}
public HttpClientHandler()
{
_underlyingHandler = new HttpHandlerType();
if (DiagnosticsHandler.IsGloballyEnabled())
{
_diagnosticsHandler = new DiagnosticsHandler(_underlyingHandler);
}
ClientCertificateOptions = ClientCertificateOption.Manual;
}
public HttpClientHandler()
{
#if TARGETS_BROWSER
_underlyingHandler = new BrowserHttpHandler();
#else
_underlyingHandler = new SocketsHttpHandler();
#endif
_diagnosticsHandler = new DiagnosticsHandler(_underlyingHandler);
ClientCertificateOptions = ClientCertificateOption.Manual;
}
public HttpClientHandler()
{
#if TARGET_BROWSER
_underlyingHandler = new BrowserHttpHandler();
#else
_underlyingHandler = new SocketsHttpHandler();
#endif
if (DiagnosticsHandler.IsGloballyEnabled())
{
_diagnosticsHandler = new DiagnosticsHandler(_underlyingHandler);
}
ClientCertificateOptions = ClientCertificateOption.Manual;
}
public HttpClientHandler()
{
if (UseManagedHandler)
{
_managedHandler = new ManagedHandler();
_diagnosticsHandler = new DiagnosticsHandler(_managedHandler);
}
else
{
_curlHandler = new CurlHandler();
_diagnosticsHandler = new DiagnosticsHandler(_curlHandler);
}
}
private HttpClientHandler(bool useSocketsHttpHandler) // used by parameterless ctor and as hook for testing
{
if (useSocketsHttpHandler)
{
_socketsHttpHandler = new SocketsHttpHandler();
_diagnosticsHandler = new DiagnosticsHandler(_socketsHttpHandler);
}
else
{
_curlHandler = new CurlHandler();
_diagnosticsHandler = new DiagnosticsHandler(_curlHandler);
}
}
public HttpClientHandler()
{
_underlyingHandler = new HttpHandlerType();
#if TARGET_BROWSER
Handler = _underlyingHandler;
if (DiagnosticsHandler.IsGloballyEnabled())
{
Handler = new DiagnosticsHandler(Handler, DistributedContextPropagator.Current);
}
#endif
ClientCertificateOptions = ClientCertificateOption.Manual;
}
public HttpClientHandler()
{
if (UseManagedHandler)
{
_managedHandler = new ManagedHandler()
{
SslOptions = new SslClientAuthenticationOptions()
};
_diagnosticsHandler = new DiagnosticsHandler(_managedHandler);
}
else
{
_curlHandler = new CurlHandler();
_diagnosticsHandler = new DiagnosticsHandler(_curlHandler);
}
}
protected internal override Task <HttpResponseMessage> SendAsync(HttpRequestMessage request,
CancellationToken cancellationToken)
{
if (DiagnosticsHandler.IsGloballyEnabled() && _diagnosticsHandler != null)
{
return(_diagnosticsHandler !.SendAsync(request, cancellationToken));
}
if (IsNativeHandlerEnabled)
{
return(_nativeHandler !.SendAsync(request, cancellationToken));
}
else
{
return(_socketHandler !.SendAsync(request, cancellationToken));
}
}
public HttpClientHandler()
{
HttpMessageHandler handler;
if (IsNativeHandlerEnabled)
{
_nativeHandler = CreateNativeHandler();
handler = _nativeHandler;
}
else
{
_socketHandler = new SocketsHttpHandler();
handler = _socketHandler;
}
if (DiagnosticsHandler.IsGloballyEnabled())
{
_diagnosticsHandler = new DiagnosticsHandler(handler, DistributedContextPropagator.Current);
}
}
protected internal override Task <HttpResponseMessage> SendAsync(HttpRequestMessage request,
CancellationToken cancellationToken)
{
// Get current value of WindowsProxyUsePolicy. Only call its WinHttpHandler
// property setter if the value needs to change.
var oldProxyUsePolicy = _winHttpHandler.WindowsProxyUsePolicy;
if (_useProxy)
{
if (_winHttpHandler.Proxy == null)
{
if (oldProxyUsePolicy != WindowsProxyUsePolicy.UseWinInetProxy)
{
_winHttpHandler.WindowsProxyUsePolicy = WindowsProxyUsePolicy.UseWinInetProxy;
}
}
else
{
if (oldProxyUsePolicy != WindowsProxyUsePolicy.UseCustomProxy)
{
_winHttpHandler.WindowsProxyUsePolicy = WindowsProxyUsePolicy.UseCustomProxy;
}
}
}
else
{
if (oldProxyUsePolicy != WindowsProxyUsePolicy.DoNotUseProxy)
{
_winHttpHandler.WindowsProxyUsePolicy = WindowsProxyUsePolicy.DoNotUseProxy;
}
}
if (DiagnosticsHandler.IsEnabled())
{
return(_diagnosticsPipeline.SendAsync(request, cancellationToken));
}
return(_winHttpHandler.SendAsync(request, cancellationToken));
}
protected internal override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request,
CancellationToken cancellationToken)
{
CheckDisposed();
SetOperationStarted();
HttpResponseMessage response;
try
{
if (string.Equals(request.Method.Method, HttpMethod.Trace.Method, StringComparison.OrdinalIgnoreCase))
{
// https://github.com/dotnet/corefx/issues/22161
throw new PlatformNotSupportedException(SR.Format(CultureInfo.InvariantCulture,
SR.net_http_httpmethod_notsupported_error, request.Method.Method));
}
await ConfigureRequest(request).ConfigureAwait(false);
Task <HttpResponseMessage> responseTask = DiagnosticsHandler.IsEnabled() ?
_diagnosticsPipeline.SendAsync(request, cancellationToken) :
_handlerToFilter.SendAsync(request, cancellationToken);
response = await responseTask.ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
// Convert back to the expected exception type.
throw new HttpRequestException(SR.net_http_client_execution_error, ex);
}
return(response);
}
public HttpClientHandler()
{
_curlHandler = new CurlHandler();
_diagnosticsPipeline = new DiagnosticsHandler(_curlHandler);
}
public HttpClientHandler()
{
_socketsHttpHandler = new SocketsHttpHandler();
_diagnosticsHandler = new DiagnosticsHandler(_socketsHttpHandler);
ClientCertificateOptions = ClientCertificateOption.Manual;
}