public T GetProperty <T>(BindingParameterCollection parameters) where T : class
{
BindingContext context = new BindingContext(new CustomBinding(this), parameters);
return(context.GetInnerProperty <T>());
}
private RequestDelegate BuildBranch()
{
_logger.LogDebug("Building branch map");
IApplicationBuilder branchApp = _app.New();
foreach (Type serviceType in _serviceBuilder.Services)
{
System.Collections.Generic.List <IServiceDispatcher> dispatchers = _dispatcherBuilder.BuildDispatchers(serviceType);
foreach (IServiceDispatcher dispatcher in dispatchers)
{
if (dispatcher.BaseAddress == null)
{
// TODO: Should we throw? Ignore?
continue;
}
if (!(dispatcher.Binding is CustomBinding binding))
{
binding = new CustomBinding(dispatcher.Binding);
}
if (binding.Elements.Find <HttpTransportBindingElement>() == null)
{
_logger.LogDebug($"Binding for address {dispatcher.BaseAddress} is not an HTTP[S] binding ao skipping");
continue; // Not an HTTP(S) dispatcher
}
var parameters = new BindingParameterCollection
{
_app
};
Type supportedChannelType = null;
IServiceDispatcher serviceDispatcher = null;
System.Collections.Generic.IList <Type> supportedChannels = dispatcher.SupportedChannelTypes;
for (int i = 0; i < supportedChannels.Count; i++)
{
Type channelType = supportedChannels[i];
if (channelType == typeof(IInputChannel))
{
if (binding.CanBuildServiceDispatcher <IInputChannel>(parameters))
{
serviceDispatcher = binding.BuildServiceDispatcher <IInputChannel>(parameters, dispatcher);
supportedChannelType = typeof(IInputChannel);
break;
}
}
if (channelType == typeof(IReplyChannel))
{
if (binding.CanBuildServiceDispatcher <IReplyChannel>(parameters))
{
serviceDispatcher = binding.BuildServiceDispatcher <IReplyChannel>(parameters, dispatcher);
supportedChannelType = typeof(IReplyChannel);
}
}
if (channelType == typeof(IDuplexChannel))
{
if (binding.CanBuildServiceDispatcher <IDuplexChannel>(parameters))
{
serviceDispatcher = binding.BuildServiceDispatcher <IDuplexChannel>(parameters, dispatcher);
supportedChannelType = typeof(IDuplexChannel);
}
}
if (channelType == typeof(IInputSessionChannel))
{
if (binding.CanBuildServiceDispatcher <IInputSessionChannel>(parameters))
{
serviceDispatcher = binding.BuildServiceDispatcher <IInputSessionChannel>(parameters, dispatcher);
supportedChannelType = typeof(IInputSessionChannel);
}
}
if (channelType == typeof(IReplySessionChannel))
{
if (binding.CanBuildServiceDispatcher <IReplySessionChannel>(parameters))
{
serviceDispatcher = binding.BuildServiceDispatcher <IReplySessionChannel>(parameters, dispatcher);
supportedChannelType = typeof(IReplySessionChannel);
}
}
if (channelType == typeof(IDuplexSessionChannel))
{
if (binding.CanBuildServiceDispatcher <IDuplexSessionChannel>(parameters))
{
serviceDispatcher = binding.BuildServiceDispatcher <IDuplexSessionChannel>(parameters, dispatcher);
supportedChannelType = typeof(IDuplexSessionChannel);
}
}
}
_logger.LogInformation($"Mapping CoreWCF branch app for path {dispatcher.BaseAddress.AbsolutePath}");
branchApp.Map(dispatcher.BaseAddress.AbsolutePath, wcfApp =>
{
IServiceScopeFactory servicesScopeFactory = wcfApp.ApplicationServices.GetRequiredService <IServiceScopeFactory>();
var requestHandler = new RequestDelegateHandler(serviceDispatcher, servicesScopeFactory);
if (requestHandler.WebSocketOptions != null)
{
wcfApp.UseWebSockets(requestHandler.WebSocketOptions);
}
wcfApp.Run(requestHandler.HandleRequest);
});
}
}
branchApp.Use(_ => { return(reqContext =>
{
if (reqContext.Items.TryGetValue(RestorePathsDelegateItemName, out object restorePathsDelegateAsObject))
{
(restorePathsDelegateAsObject as Action)?.Invoke();
}
else
{
_logger.LogWarning("RequestContext missing delegate with key " + RestorePathsDelegateItemName);
}
return _next(reqContext);
}); });
return(branchApp.Build());
}
public virtual IServiceDispatcher BuildServiceDispatcher <TChannel>(Uri listenUriBaseAddress, BindingParameterCollection parameters, IServiceDispatcher dispatcher)
where TChannel : class, IChannel
{
return(BuildServiceDispatcher <TChannel>(listenUriBaseAddress, string.Empty, parameters, dispatcher));
}
public virtual IServiceDispatcher BuildServiceDispatcher <TChannel>(Uri listenUriBaseAddress, string listenUriRelativeAddress, BindingParameterCollection parameters, IServiceDispatcher dispatcher)
where TChannel : class, IChannel
{
EnsureInvariants();
var binding = this as CustomBinding;
if (binding == null)
{
binding = new CustomBinding(this);
}
BindingContext context = new BindingContext(binding, parameters, listenUriBaseAddress, listenUriRelativeAddress);
IServiceDispatcher serviceDispatcher = context.BuildNextServiceDispatcher <TChannel>(dispatcher);
context.ValidateBindingElementsConsumed();
// TODO: Work out how to validate security capabilities
//this.ValidateSecurityCapabilities(serviceDispatcher.GetProperty<ISecurityCapabilities>(), parameters);
return(serviceDispatcher);
}
void ValidateSecurityCapabilities(ISecurityCapabilities runtimeSecurityCapabilities, BindingParameterCollection parameters)
{
ISecurityCapabilities bindingSecurityCapabilities = GetProperty <ISecurityCapabilities>(parameters);
if (!SecurityCapabilities.IsEqual(bindingSecurityCapabilities, runtimeSecurityCapabilities))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(SR.Format(SR.SecurityCapabilitiesMismatched, this)));
}
}
public virtual bool CanBuildServiceDispatcher <TChannel>(BindingParameterCollection parameters) where TChannel : class, IChannel
{
BindingContext context = new BindingContext(new CustomBinding(this), parameters);
return(context.CanBuildNextServiceDispatcher <TChannel>());
}
internal void RemoveServiceDispatcher <TChannel>(MessageFilter filter, BindingParameterCollection bindingParameters)
{
// Don't create if it doesn't already exist as the filter can't be held by a non-existent demuxer
TryGetTypedServiceDispatcher(typeof(TChannel), bindingParameters)?.RemoveDispatcher(filter);
}
internal TypedChannelDemuxer GetTypedServiceDispatcher <TChannel>(BindingParameterCollection bindingParameters)
{
return(GetTypedServiceDispatcher(typeof(TChannel), bindingParameters));
}
internal IServiceDispatcher CreateServiceDispatcher <TChannel>(IServiceDispatcher innerDispatcher, BindingParameterCollection bindingParameters)
{
return(GetTypedServiceDispatcher <TChannel>(bindingParameters).AddDispatcher(innerDispatcher, new ChannelDemuxerFilter(new MatchAllMessageFilter(), 0)));
}
public ReplyChannelDemuxer(BindingParameterCollection bindingParameters) : base(bindingParameters)
{
}
internal IServiceDispatcher CreateServiceDispatcher <TChannel>(IServiceDispatcher innerDispatcher, ChannelDemuxerFilter filter, BindingParameterCollection bindingParameters)
{
return(GetTypedServiceDispatcher <TChannel>(bindingParameters).AddDispatcher(innerDispatcher, filter));
}
// since the OnOuterListenerOpen method will be called for every outer listener and we will open
// the inner listener only once, we need to ensure that all the outer listeners wait till the
// inner listener is opened.
public DatagramChannelDemuxer(BindingParameterCollection bindingParameters)
{
_filterTable = new MessageFilterTable <IServiceDispatcher>();
DemuxFailureHandler = bindingParameters.Find <IChannelDemuxFailureHandler>();
}
public DuplexSessionChannelDemuxer(BindingParameterCollection bindingParameters) //, TimeSpan peekTimeout, int maxPendingSessions)
: base(bindingParameters) //, peekTimeout, maxPendingSessions)
{
}
public SessionChannelDemuxer(BindingParameterCollection bindingParameters)//, TimeSpan peekTimeout, int maxPendingSessions)
{
_filterTable = new MessageFilterTable <IServiceDispatcher>();
DemuxFailureHandler = bindingParameters.Find <IChannelDemuxFailureHandler>();
}
internal static AuthenticationSchemes GetEffectiveAuthenticationSchemes(AuthenticationSchemes currentAuthenticationSchemes, BindingParameterCollection bindingParameters)
{
if (bindingParameters == null)
{
return(currentAuthenticationSchemes);
}
AuthenticationSchemes hostSupportedAuthenticationSchemes;
if (!AuthenticationSchemesBindingParameter.TryExtract(bindingParameters, out hostSupportedAuthenticationSchemes))
{
return(currentAuthenticationSchemes);
}
// TODO: Add logic for Metadata endpoints to inherit authentication scheme of host. This might not be necessary, needs more thought.
//if (currentAuthenticationSchemes == AuthenticationSchemes.None ||
// (AspNetEnvironment.Current.IsMetadataListener(bindingParameters) &&
// currentAuthenticationSchemes == AuthenticationSchemes.Anonymous &&
// hostSupportedAuthenticationSchemes.IsNotSet(AuthenticationSchemes.Anonymous)))
//{
// //Inherit authentication schemes from host.
// //This logic of inheriting from the host for anonymous MEX endpoints was previously implemented in HostedAspNetEnvironment.ValidateHttpSettings.
// //We moved it here to maintain the pre-multi-auth behavior. (see CSDMain 183553)
// if (!hostSupportedAuthenticationSchemes.IsSingleton() &&
// hostSupportedAuthenticationSchemes.IsSet(AuthenticationSchemes.Anonymous) &&
// AspNetEnvironment.Current.AspNetCompatibilityEnabled &&
// AspNetEnvironment.Current.IsSimpleApplicationHost &&
// AspNetEnvironment.Current.IsWindowsAuthenticationConfigured())
// {
// // Remove Anonymous if ASP.Net authentication mode is Windows (Asp.Net would not allow anonymous requests in this case anyway)
// hostSupportedAuthenticationSchemes ^= AuthenticationSchemes.Anonymous;
// }
// return hostSupportedAuthenticationSchemes;
//}
//else
//{
//build intersection between AuthenticationSchemes supported on the HttpTransportbidningELement and ServiceHost/IIS
return(currentAuthenticationSchemes & hostSupportedAuthenticationSchemes);
//}
}
